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# 813 backend developer English-speaking jobs in Kraków

Include languages [+]sorted by: relevance · [newest](/in/krakow/backend_developer?sort=date)

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[### FX Trading Systems Engineer (Java *Backend*) @ Vistulo (for a major N. American bank)](/clickout/0671c798057760bb?ql=ql&sig=130d7494380f9136b207c181e96e2aabe11d5f67&e=NdnUGbeKZz9ek--NzsosK4gCXwX7ZmksJttodpOar6JxT3aD0tdROMH46fCMoBqgnW3dyt_JUA6Rzdb00kuin-q3vxAqeO4mMXtD2XQQSQwWCXXtQrIRDjUM3ZFByEEFg0t-sWUzWePqq6pUC4oONFr4T220I-g8tNO4K-ZpJ1GA_9us2w9u3BFrOvkZMVAK71Bd9k5ikwxO-wHp0Y048MR3Ml7WixRFyaPmgEgiL5ACfgQlJT55k9K2F4uVPb5bcGvIazByEiU6iW9aQPhPXLDuhoH_q7sw3_h7EMoX9JyuIaeHpOOIc2sdbaLBWyVeDNNHyV7NsNz4iED3DESqFmViDRIxIqcHUSNZhZYyRtlEbdNV_2N0bFJyxApTpTbqTcJ3eICRADZTGVXOhXcc3Nl6Jw68-gUkq1edkNp8djbgEAnfY3nero526pe_bEkX5hRKVnA2Diwi0wpCp_cilgHp43snnIvtLLmC33oMAlXNT7sypJeQ-TC0_ABVhqH3kARvREaCXWrsT8ted0brDN-53IMEkDhlLp3lZh5HUQ9Jy9TKXwvQtJYIPJKoRpQL3aFtmy5wiYVoCz8zRU1OIpbFQevZc4Z4jT8zQQWxa10fvD6tZ5M8KyyS1jK7RVPEEAsRfTAi1iU5z3tD3QKSGuISaZFbS4VLkJBXEEujDd9jWtVb66HovYoj98jiPWYXTKvfQIwYsV8WceCfBeet3Tf3YK1XOIlZPM_ZT1q00Xit3c62qL2KJ9I-NNhVZeSQbBTlueEL7vmwICO_tLHg2YWYKlNQJvQ1CjncjZ4NzQGnGJe4p40JxChvcsImjQEX2dLnGleGX6px5ZrmN_hLWDOMh86T-3_LDOiBbztUF9cKsmpZm4lJ8eR8WRclI9R7Eq3DMgMiOQsx8pb2MKzmFfI5sQF9g_fGqBY11NbdzjgyGNe35rvjuiii1zP1Vw1SNtGSmbfEpDTadCKKnv7QR97qwpNAHID-377UDxMvU1tY6ZZGZsG9sWL5k1ya-7iOlDtXp-nFVEqJbi_ZVS6RSDyKzCaBUwvhrk0PG02U_StQzUeXK_RJSSlD1CZ7_1CHJRvTJc0Pt7iOxZsPUgB_sSukwfQxswQE4DQbh0JPGuem51ICC1d2WIj1_WsvPZepO9Vf0iJIrImKmk5DcCRnFyHckel4SblajM4WHtIbXHKtQqIk5VgGOksLM3PQXn-GQkzKRmbThUbRpxdgrIBO_FkqsSBcM5954lDjp7WdD01a93lgDPrTgDVG1vQ3_O7fpgoUdo9DZJAB93h35TKPlTz2F6JwRaVf7K-GCnveUwHXgvgi6PsTxz4DcAUP0StsDCRC4e-FBHOBwGVxpVPhLh57ygTl30DXU9zeb-PO8mnvmJIsOscTy7ST85cEiM9twn15dk9hAQj5fyBP5IYMuRsB72KbTis9KwnUBKn_Se8OYFS2YhMj7BFAZBb3r4gjMWPmzuy6VbX_KHAtrHtwE2pspbm60xQwDFEMlOq0nbgV12U8zHw2ON-OXLEyEMHY7Udy-czSDET3lvIXfyZ26iaU4ffXYHLeFmN0ayKMJ8SjWtB2DnTb3nDrbWXJUnOna0cnlzdzerBhA4eI1wRo2LQG1as6zl62xQ2PkqpAE2YZEBzpB9-40EUcGTJwMTy2T0PwkBw8poqTP_gPCEKqVguISENGf2NQwyp0lTBFo0S6uCivgztNsy83A9zUVACd5FEH4YYYXTejO-cC7pd0qldLa5kG5UIZlkX2JA8X_nuDy8pv3q6qwh6iJcKYwHwE38NJSeRfF50UtXo5Djl6KrjNLNO_HYj5uqFZuzFSzvGSJcuZ9fgQSHnlRp6pIHpRmCPl_o_ENxUgFuBbIsU_VT89EMoSr8YEkhTe9XYtFzQLueQTSscf0L1s2Juprc-l-Jpet0bl5CFsA3xA0df3Cz1GQRmsYpg&prev=RQDB7960528AB46E&p=1&pg=6)

* Vistulo (for a major N. American bank)
* Kraków
* June 24

This is a fully remote *backend* Java development role for a *developer* in Poland. ... This is a fully remote *backend* Java development role for a *developer* in Poland. ... Proven experience building *backend* services for front-office trading systems. ... *backend* services for algorithmic order management and order routing. 270zł - 300zł / hr B2B net + VAT ... The Role at a Glance Senior Java *Backend* Engineer Building a FX trading systems, including high-performance

report probem

[### Senior Infrastructure Engineer](/clickout/61d3704d5d8220cb?ql=ql&sig=f549df51f761e736640e5d5e0005cdac796fbc44&e=v0JRAO4bOo7A7YaFCMCnKZ_sF7SFkka9ET74rDlXlPrwvOD8sEa4mGUUvExiPSLAoq8cCEn34kQozAKowfQw6k6hz59WahTDjUoWfu2lTVbJgfBksAWPVPwZ_r8ZtcqpkXE-7unPwjVWuxRaECrjGZld9A_3NhphzlF-pbysgmOFYazitKwrvE0_42JZXABIEjIHMyxMWzYXGmg5kli-UtfFGsq5XLh08q7W2AhewkIAzcxlfH4tGAMwZ4QlnrOXLuJNi3zr9qSBdwZiilsEk6R4QBdnTMLZmQOXZT61dtXvHk0Z6HW6NuopbtIXTfKuyF_xMfAeq9eYQU25gmtxexLhpmEwz8SLYiiNsNaqjSlT1E_B7UtmMG1QeRjgbCZEIQu8kPVIoGx_QOUGlcJ8-kvTVLf2ARPWmOzfaDG6vCdwRCZgiBlPZ8oWI0z-w4lf7KbYRLAOk4DiTfHFBfgQOnw7yQvoOXPKypUk8Ne_7WrqyQEfJuD_a6UM52NuMQla6spNDENWWVVqWVZ3D-x9JRgMYtSPa2dMaO9olj-0GafFDHVWNDk3YH9hFxzNUcO5srW4juXLUxeJ1Yh0PX_aapWqQNhJgpgwdsju4yOkyijXo2gIe2ck6yyHP3QSPTvJvy3Yg1rB1tSYT4YPtIyttM5uNwL7xhmVwJs7sy4Na-LAKE2Vz61A_c3bXB6XRnwlsauQRzaZ_0744jBvInf8cNWx9FHTmpZnbSRoVI03ljfaY4YYHkgXxK8qj3Lz46c57mbjC6aLyPqa59Ofils4VTWrQ6cizklJBZ2d0Iv7kcqb4Ge6BkCTuujAfeZH2FykVqlLDmUB1jV23cexnZZf65FfxTjQMYNJh1eaKKVl4Ztu1Ny853kisdri4Te-FNUOxKE-y3YlXnOjcVwZxFWcAWcXiWIeGiZZqMGQEY0dIkJ5iqtp5M2zDPPQzRE60Y0iB1RWDaepgBNmnxzRvTuoxAtYi0XcCQXNdvafDdSVGV9dQW0UGEzea_ktjO7U-1G_z4WG-4k__ZMg5bU-HEwLVFQthsv4BUp70SPqF28c9p9j1Hv_qLtHsSk2KOvahAed-QTR01W3EE1Oz4r94_yooQKiNAZvfhicH08VE3lVwfIjUl5TvZs5-EUJ4VTCfc1m5T25aguCGhGx0v4UsE33n2g_f2NBPEFgiJ5mcrVdfndSO8sTQ9KY4xVLqhWkeqKRRcQE524CInzg_oz_Z4tEypPLFapqhgHcu5ZL8HDT7M6LZRylb2QQDjEie5aBYdR40mswQHuUVetBC-FghVZrCLQ_ePrx_5foFDqNMdTERiJzpxDSsgMd_PDKMlC4BY-n1BWQx5UDGYaj_NwLnGJ1WlgE023495PNalf3Gkt752E66O3e4wTZ7sK69l0uVZwErDPSHNbTGxAlhnMYwLVFrSHOTT1xtDNnvhJ1vQJZz__tG5XVeCpgsrNXM0DB4kEsmRvlYqzCTRDQ9lz0lQ_yCIjCICmNjyFWJNncSWfl2mN6-n8X0DSx6uJzB6-NiUhRyH0rnFhw7Eg8sjf8sqknY-ohaw&prev=RQDB7960528AB46E&p=2&pg=6)

* Dotlinkers IT recruitment
* kraków
* July 7

You will routinely write production‑grade TypeScript *backend* services, stand up scalable cloud infrastructure ... , and ensure that long‑running, resource‑intensive *developer* workflows remain completely reliable, highly ... They are building a proprietary, near-deterministic AI-powered development platform designed for broad *developer* ... tools ecosystem, including IDE extensions, custom CLIs, and third‑party *developer* integrations.Extreme ... custom ingress routing, advanced health checks, and autoscaling policies.Familiarity with the modern *developer*

report probem

[### Senior .NET Fullstack *Developer*](/clickout/3fc0cd4291e9eec4?ql=ql&sig=d6314fe1f0c3fdd497e44b26a35756a11c676f1e&e=vXDvPVQHb0GJH25MR-9lVYmjw29j9MdgccZU4Rv9zzC81v90-OG5rLx5K7bJ4ByTB_9Cwxm8isM-tNuIbaouGtr6xWbixsyHM_hPsNT2zQq8CC_M9yWuhI01f_JDPoS7YGRYKEQnup9G9re4uuLnNgM_hYNpNwqrKRubdXYp54uDUdKkLnhVC6-YRyUyctFo0uppYJqDxaRxzJPSfBZWjdcZ2kDYI84f75g7TYyHi8w7nKfmkQcAdnK80eCEyiv9tG5rb9jf9X-lVzePL2Fa8Gtd2sPLIGGCbpaGMRorTpNcaMa_F2Rx6iNcQ4cZWFv1HnmB014oRKWlPntLLwRPup57fomNm5mHZ8GX0m0yi_fx4gm9ISskNe05J1R2LVdw-ek8bxUjrCRGINdl2TFYtJP_H-OMwo-DjGLFXIiSvXpvaFqCrxDHzC8kYi-n1UQDWpNrcubRcdVTDDomfifmA_2sa92E3Src6mggMeAVcP5irenu7ENNpkvGKsq7mdJVjxYyXYxFCOPb8OzqD3aqFVC8q23kipu4hbN-m229R7ePaKzWQQMJ6RTS5Q00K_OD8fk0sYQyVWiYTTC5nY5A6Jwzxj-HvzLJbSzN0qH44PylMqHyrvk0Ax5mW-UOt_sxLemAI-4vhuS6oaz20bqOfmXgNgMN5NW1FqLMj5yN4LSr2dLDTEYNZbTKZbwcTVjaXlNawUGQC-nTM2piiub3jIfn9BUfrq_-ytSBIzT5_KS7UTYrnwl_yrR4aPUoxzCAsM2xA7_lQIluk0aeVwauFJNDNK70PREVRuLS63yANGinnV3NK5lkcpUQXvbfnIa0-mQWdIE7sBIABtT8AljLD-f18IMRSimS-C_c85Em9tOz2R0uUJSYvihczr60MuEmmk0yNSku5E7UHYjD2RcN4_Ca99fyqI3KEpjRROYjuaWil3oKCfye_FVviod6pjzodRBpRqoBSaLetx9BG3b2EAFJXmMWgsNQRfCdj8A_06f_BXDDq5DTeSmoV-Hjff9ZeV8VAQgRLSWuWe23SJoBE8qxKNyI5QSsf0Hs8qK3do5BNLm3t_GHibmsE_TfOo04cYjgI8yRkTT2vtlK7dYB3pL9FV6gPGkpO-PXBTr-DzgR7luWKm_b4WzRpGSWMnRy0ypNXzbr2Pr4kCNY8y5lg5_yRNoGGWMznW0krUKpLiFeQ7tc3wOkiYhk8LPD7q1MKz8gXtEOrKy8MYLllnIaO6qote99SRezkez6VuAM9mOL6xpreXv3eE9v4dNd_W8XC1qMftITPr8iHqWJE64Uc-wMVzcTMmx_Ma7o1-wEbWg5AdERq03fcCv9xd7sKXCZMPzsR15b9xO7T67R_GucVxqYPN1RoxTx4pQt8fK9RrvS89b3iUuBQnckB5BcHrVsTZLelchLykcwC1dAFg9k6rJe0RM_9L7dAhyqakKfzju8mpdeW_dFZ9tshueYZhFDe1fg9KGLapPltRidZu_-XkvSAkA--I4_&prev=RQDB7960528AB46E&p=3&pg=6)

* Appliscale sp. z o.o
* kraków
* July 19

Strong *backend* and frontend skills where you can demonstrate your ability to apply these technologies ... , AWS, Typescript, JavaScript, Kotlin, Node.js, REST/GraphQL APIs
You will need to be proficient in *backend* ... React, Angular, AWS, Terraform
Responsibilities
Designing, writing, testing functionalities for a *backend* ... and a frontend system written in React or Angular & TypeScript
Design software architecture between *backend*

report probem

[### Senior Full Stack *Developer*](/clickout/827332b852d859b9?ql=ql&sig=42ccccddbb46ab31d785d30275658c6d4fd4b003&e=0k8EW36JIP8d0iS1Jl7KXX0prAMB2DeMlb0j_xYYiMGDMTS52a73KKfsH4DUJMHEHzmoXUEGKjPS-zNolnQHSfTPiV6UsqEG0G9c87mry6f-oSwHDpeK80zOkoVVh2nM8EgyKThDyyYjf8MF394V9Ik6shrY2ux6jEbyXxxNOwSMZJS32tM5veG8jN8xamxllgp-F_eRL1mqGPHyvVSDQ--g3gkcNjzMCaeOwpu9WvC1YL7sb2o-Hx6FKpxT3pFdgLz_Occhv_uGWOs--rXsWDwXga6PyiFW2v2xmzeh8DqPQ2mZRYD_XTilz3THgvO3sBrPILnK-mIDO3EwYWvDUzt7OfyCjpIxAVKKyQFp8WC0sm1C0Rq3HMjeOhKfVHEQEvgPdfoZs3xVpq5qTVFWTmDBHNjMZtRDSV75lzuNjziXJWwXgkU-UZzXPdl4sqxgVENhisACGFjUqsevG1g-tXne8gqt6FhuXfY3xYJgK2Eb2siA1cJkegZ6UgD6KZep7XOoj9AHhALFTYmLB0T9-nxHG-TcGAvO60S4SZulSq66GJ778jKYjoZ29733ykNygKcvd52BP95qow6pvVNAJKPKtf9tV4isjwRjss3YXQF7faCjAGNQA6qBil100fpqP3mAikCDZkMbBaTGqhYG8LWcGxY7Se1nFb0wyS7O6DV_stj1hSym4lMJO5Tx94QAduzWunWnLefXgQj-K9QATkwnk9eqas6K44yHeCgZiIle4HynFdSeN-mO_hks8lQi_zcw1y1vB8koCRGLL4k7kRDHsrburtgieIS_BEgUbMUqOuo6Z_lLOh7ag4P-XjV8XdtQzxa8-w9pKumAEpcwredOtf9OjhlG-mu0BKQVPql9VXzcQUcZTWkj2zrP0SkT8Z0pfwbB0agpjrLfdknfX3L38TElgk6YV3Ftq151t2efTVcN8UdW3N_G2fEYK67iyLfrSTlU9VS54i9lsNGuswDsFxwdm4zJGhswa3Gwr1WzPh-Nn3sTIn2kQCKoyC7t2_4QOAxmZsMzugE_Dx5dbLec_rV5b4vwtbylaMilkWBPreUnFajKU_5DVCCZc-OL5KxiYrWsGicOQPv5CrCRd0E7jz8gEOaiEF9RP0DuqV-UJs1cTsN98Ebc9iqgbJkYESoQF-53M-tX4-Qs5qZ26X7MazdUzH9s3cYUMs9Q7zKeF7f8YAHW9_2dnAUM0X9PXz2WI62REdw6dE3Sgk-4RRbNHl6MUcQ-lQPfgFGk4qP5lQDe6rkBe2MB1h9J7z70Sgfi6_Z0fd_fcnuzuSLN-ovo5BdqznP9smBj1X6zFG3KCGgZsiAIEOycG5oHBtTAFYmovVOdG3BgTGj0aBNtKDcImF_ng3LYSCHcDbGURDjpgxM7tC5dLVljCNx6PeemZ9vsAaSYl2jJcA9_MFyQA55Ks911b4yoeMZFu8Mc9aFn443Mwt4Q0nrkQHLg8HPkP2Xe76HPRSfRnl556blyt3RWFKaww7QUFpiQll2XcE8K7z0MNqpsEFbyIevueWkU97PkYTm640dJgune3CaxxaJ7T2vb--XIZIQqt7J4O5P9_ufhfEtng0gG1JcIp0Uj3560Sp-hGLnmmpz4cc0HU2qpc_FoHlDQ5gJscvxktXzE8MoFhLKP8rKFqTCR7wGGeoWjiEeJQGgmUchQcmaPsiADG5E-3lpKEfoEuqtoP8gYozkv1k1n6jwusJjWV9Lb_pBTWLrx-4F8kJbjuCWw5STCPXVSqW5_IWrV1UEuW0jqQHghwngUTDZk7EpB71I9MZ9kqKZvSSh_ZAExwMG5nOm2vLKC9uIetyJEtdJjArGcrRg_hfxIH3J23S2YurbXV8TJ9Y9T-ROTYhGQxcp4w2qDdqq0K6J9miSW5mrzNAADYwACQ_WCfGlD8xMxcUKoyWBPapzbg-n_LiNumOkEOfN7G7Tzq9C1hA&prev=RQDB7960528AB46E&p=4&pg=6)

* Capgemini Polska
* Kraków
* July 14

Your role As a Senior Full Stack *Developer* within the Neo team at Capgemini, you will play a key role ... applications that power Capgemini's global AI platform Drive technical excellence across frontend, *backend* ... Build high-performance user experiences using React and modern frontend technologies Develop robust *backend* ... full-stack software engineering roles Strong expertise in React and modern frontend architecture Solid *backend*

report probem

[### API *Developer* @ Mindbox Sp. z o.o.](/clickout/27bb4e622c7792dd?ql=ql&sig=ea777c98956231d676d41dc7d4b918809c8d84f3&e=wJS4kKhmhg2PXvOFfyxtHFaYrELV91cIM46JBuyQf6ZxtlSGOFeqG5DSN3qqMnhbI0YZgPG4PYmCLYfjgbjPpqhA_kUguz1Hx8zwxHVaRpH7Vsq9Vocqx9qbCbpNlEovgSqjCA9jrSL4GV2_h6b_ejgkrhaRii97eplcLY8VF9Tyca8U3wprgnlLHIphxJPkGXkdn74Dum5h1L_8PTifQn53qUpizpwY1EMZAGVmMO2S6nMrGSJzU5DzJ-7GBFa50AFpVFGEMSRiTneX0GfDnQUrkcJi_t7vNBKLR1N_yLTwFhTuLR6TLksPXeyv0KKqBpU1B9x1kcZBM7H6zPNG7jjBD8vvGkfBp7Kq08TqFmqKqzsE3fOxD1dIzkk3v-ZylvW-84EgeEohTkk3ZJ8neyJWjYIeZ00TUDag-CVPiKBORfGSAvPW7GzlTim0I3glMEHXKmqpRTsOPxyLahfqfVESYdjYv4l3-416CJPH3TDx7ecIPgCYu9unfLtKwrgvAgnETrV-IVqmBRiV9uLdQSqtXK4HbFmlb_xWfw05chtm-tHL5LaSoZuxsEwKoBCPXajKSUwbHt9yu4y3Q2_aZGmrTB0BqpUwk62eQAr0_HtiSKB--VT66rRAcYnDlc1hANQj2t7PxOAgpFLpiSZm8OPh8X4z3vOg905-IXKwA4CVoeqQIHVwqsxnf3nnSJ_QjO0PDe1PmSDwu_9P8ZH8-WCFmptE7lHQAS5qQmtgvIkTDexA8IUw_7o0_niV7eH1-yKKueTUqqd6EQluwBQYvFXXGTo0Z84N9hYnrtFDcmmRvFZ-FtRp40RgUtXKnG8XmAhnmbt8z1iTXyzlRGTGVXbnQezje8_elYhbe7dBoBXfnUmUtdb92lkIqvW9HaWQ20j2RCdyCxyDDAxFe2aSmifGF5jXmv60kE8xAMHmYDRZG8H1XzSE-wsnWUs_b2lipP4r84YTrxU_N0HfVQrN58t_hbNWvKlrk6FR0GOTGyOwB0XCoi3iLMJVWYuYL0DLYEHJUkJj4Zp3tsf3xCVGNZnKhbTB1Pd0JMeUPHvmgTyfOOLEIojPgP0xeujNE7BB90vnWvEjkF3iVg5B_px8DHRcVKZCU7fm1penr-I9dykpx-BtpyH6tdBlGAkIqdDZEHNAa2RaMCxS8-lrpfNGSRnt5G7glGBtWYXM34j5p3U-JSV-QVf9pMCX0m1FtFZLAgDJ2VB4rntW78ApAxDVc6EdqHOz_oMiD_ZkzRrdwo6WBODH3hlMvgMGzkmNnLnbP8Kloof1w7AbMICtYjq2fK_NQPnEjzF1ndPY5PMYKg5dFo7pNXxmxnVWG6grXVai4PSkw--D1wfzZZx-UJVmK0t1uoUM2z4RUH0I2NaWLQz-j4V5uFJzmvnNWo9rbCKewLwN85MBunywpYOy_rH30boNLOheEs4_RJTvJZ-iPoKNeZDWVZrJn_o-zKZjnGBjuaCQM0mMm4WwCYJdsZB8-QLz-qsuZWq0CgaLQYjDvRkywyr24xqSS2WjdSgX0fzv_7R8GOynwjmTe7ohPYapH-zxPyN40NAHDKR7xHBS78k0S7UR0i_XZU8C1YGwrfm8yedOCoaFsqC7MSiQcSuCsAZIKkcEzWskiLJRBWE7cNXR4Ionxiykl8dwBd-0fQ3sX8-1HMSS7Agwz5RoVJZJEUGTyVc8DkuDdzMs7I7AUS7mEHvbhnnyDnmjkHNlco2X_SvfRK84HpAvOYdAYbboYA1LpkfEfwmFxB28pvGZXrqGOlzcEu9StSlr0DL7MbsAkWaR7p90AgH_1A2EYpV9Jml-YYI4kUGQPPhrjRFoUmF39HWR7zm5LMX6GRodeii6WBEk1F-bMKIi9A8RxyjclUX_xv5csB1q0nu8HNTTpbO2mnHm68L5ijIqz8ueYbFcFmibVnat1YWV3nE2ubyO3_51WydniCE&prev=RQDB7960528AB46E&p=5&pg=6)

* Mindbox Sp. z o.o.
* Kraków
* June 11

We’re seeking an API *Developer* with strong Java expertise to work within a cross-functional engineering ... We’re seeking an API *Developer* with strong Java expertise to work within a cross-functional engineering ... common API tools like Postman, Swagger/OpenAPI, SoapUI
Familiar with data formats (JSON, XML) and *backend* ... equipment – laptop and essential software provided
,[Design, build, and maintain scalable APIs and *backend*

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[### Lead *Backend* Engineer ID76299](/clickout/14e489bd5fd09e70?ql=ql&sig=2ca0c4731faebf5172da0df10732e198ff88b5fa&e=Ro32wTOEoM81o8zwWCA-SuXIwPov3eoMJD5rDbzbxg2TQkMH86bt173SRjhvdnAlWIFOUeMMb1CAbpp6UFh2AclbXj_s5bvJZZDLcjyIf2rrNSz4PoH_Haj5fGmvE8o0ycT2-NkWanFSdxawLkE6jVpb9O1jpDqtBWMyo3ClY9y0Y830zevKcsYmu88eSI12-AmX84tM5LHuTilzOeBpPxogUHI75dyMjT3MTm-Ccqg2PyHMw7eHB0BiH7QCAHaNaYb80_lV6nv-HN8rvsUE9BX-Wfrk9dIyI-rsG1Hb4wuyUAKjxuD51iJcWQlINXISKCy1hVCGDTNEN4_IQO6G2bqkQULeVC1yj4Bg_vjVs-Vm9Xf_6aWys20zUvaHS8J2KVA_AO2NHUV2A18pclBFIXbEYWM64TUBEcTA_H9Cw0JqD6Zed7k-AdRin7qqLms9RE3a0wpkHimokF_HCPc-DUbfLA2dST2sdvfNqB0_SyOpCGr8k9A0dQHBvELA4uJUSccCyljd9dlcgvdojffl4cIogzVShQ2cXHz-0tpX5Bju22dlX3vmZKLmXgepdyUKi0k66uO0ntHFEVsyHGHIPOdUMJ87eCwZIJVRf7yqR4FDd9izmFeTuyIXukAkaaUEA6clkCgmUH3YTfn5X3QYUoHeW0XT4POfP1NE2vH-LJ7zvDdp209Ux0Lvpqan2FgmDnfK6c0J_S_YGHkvMi3-I0kOANlTVnvhaq3N-bwXtQxnpeRm6sOhAd1pUa0G2a5QinZ8oooJus0Rspc00A2qZjy19qoghIC0S-td4RyHnagrhpBGum8tTDWtebngCZ8RDdsKMD9JUpTcHWNlL0olW0VQ85rbEqslVvsNXIljzDKswBpyCRWVv5vLEyB9uIu1M2q_T-Mj12sI_MbPbbm0yrjta9JpaPNon8iPMjpM5_Za1OznWlFozJ-GJ4umycrWRmGgYYVy0ETDELXhxIi4Or0yAZNl2AfApJShv-k4XaHOFw8KWNtUX3jl8XtE5GiuCK6kIZG--0KQSz5ZpuX3jnCBDjtPzY1tQSd5HLTu2d8WccfHaf432Q5dhLFgMYwFWVNtlO1V874yiwGl2Gk7cWXWvzCnj-sltayiwDd9sk42ggCS86VxKKshIjoLZN5aDDVRQ9ibW66SMk6kr1jVAVlFvNbu1ZtVhcq6Wzg9SjnKu2oEHlRqkn6j4sdkkeI_6U4NqrpVED45wn4nKWCNi2m0zJXk_6qrrrN3G_xVN93FJFmiApm5lAvp4ppatt1OxlJcn2dYypMt4reaBCnE9_JGf6RzQfPlSVvbSbh_ky0LiW4NNCdKsRYe3Y0YCrAPZtpmmXvf5jAWbj5vXDbI6PdMhQAUqfm2Vl8wyO3P07cATMpEQHcntnrdfPFpWws2gZ_qLVkS1UGPhozBrQy-PyJSiIrxzS_ExG2-j65KdoUUnByLLNDarjdn7o4-8nT-FVnUHVZwXF91wvfETiuQFSrDnurLyC4OBA&prev=RQDB7960528AB46E&p=6&pg=6)

* AgileEngine
* kraków
* July 15

databases, including PostgreSQL, and NoSQL databases;
Experience building high-traffic systems;
Advanced *developer* ... ABOUT THE ROLE
We are looking for a Lead *Backend* Engineer to design and build scalable microservices ... MUST HAVES
Bachelor’s degree in Computer Science or a related field;
5+ years of *backend* software development

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[### Java *Developer* Spring - Kraków](/clickout/bfaabe31c1a72881?ql=ql&sig=267643173b15c1e02ed87b1e848c446a0320c5e3&e=UfOE9tzBZvMJOs4iJ7AMIFZhYstvcZfey0neOdbsiWRsuD0KR0bT3j7J6woWP8Ohk3eNU289EZl6cq097WL1x5Y3kZTaHeRq7W0fJ7IX6Q9f3BXdo6OYy6oSIMxQATWb39PYcQM5Gxm8Cqzafh3bSmL-_C7JF7b8AUnoXam62LPGw-XnzN7Hf1mR86uyBfIG_7Vfq-fkkx--6jkehxhdRweJtXvnmDWDf1E8TKXnuUCWHng8v9mHwm5tf21Ttw61siKiXlC5Vn1FaBZVnBDOtSuuDKHQuvuIsWXbDvuUSedzQW8ctV2k74WofuBLlKMg-99mRBWw72Uc7lg52pF8Kk1e44G4dgMoVwlQZta9_z4HP2xkWIlWjszdxqe-nNnIDPogYsVVdGOwLHyK0Jppg6DHOiaMR4lCzc6uHPqPOwO1_OWYAtf08BZxRj6YT4PmekBG35S-FkwJaokDy9CyYoe06Ws3Cs5-CScG-ARGmRT95urnoLc48fzdTPI_ItWFEN81hUuVoBNKwVncK8EU02ONK0U8jgX7ff0Kb6ntpa6Pr5wtNVVRoHZwx57VBLWRZEYSwCnhcds_55XdwxqZRaQIqMml-wiyI32DQIGxNShef8vNsRrOftADJiXMr1UUW-lCp6KolQdV_aXltQyMvWGsWoNmfQM988mpLF1o6DGEUTpKowOU8NKztFoxzPwmv3Dn1OCrVGN4sKpw9KgNWv7bO3L5QgJWpWAOthf6MLIF46UgnYGHldQPpEZHNxLje0afGjJ9oeP003PS2UycbYzxNl0NXfxx4SOrE7lEN_1pBzaakGG4eGo3qOa9fv7dydOLzyBh0w-DAAvPD785LElAJiBV11a4R3JhGDgiHTNewdzlRpMTIWuZdFWnN5gTXTawupsxNdKXkBhlSIJQELLWKSHUmIebHqYHWl0Xe3gjg1FqOLdTDHDCh7jk1TSKqu19nNLPs7y2eILuyx48PAqQdfG05ppUsPSaM2vUqJbXU3G2Ejo-KwXIQ9e0tUhFxfHnprAtHCYpleKgvAgNAcC1WlicS7BkZOK92uW1AK4tWcCdLP_EuKIEAjMdwRmyaBXnGQBe5Auhrb6BTrSYRVcZ7wk0wB1yuvQmxBRV0utPOWXnHQ__hj3h68vP_HAgHr0P2byGz7ceoEaKCb0QN_QsZJAzSsw4imCIwCwM700dedla-vKxwZGUQQ4EZBl1WZQ8bMol0opO3Wgd6btwsJxR19HD7LWreAj4LgDCkhUG7Spxo93kbm4HrrqtNhGcywyEFuiuDL_YMtNv7EwcsNdom94cT8AewcOJL3WIMSYkfDByZXY54jn93puApckJRJMAnzHoy2YWrzVDHLuJIFjSX66IerHKgKsXT3N9TH24wIePYqSiFUJ9xVHoKTFWuAQwhYFej2q9sjzgT4KNsuET__v0zvA2bK78dJghYKXLZPE532WB7y_FwZ4y7cRvtbV4hzy_BCMFK795ufOFu3n7OcFDiTVDXQ&prev=RQDB7960528AB46E&p=7&pg=6)

* Andersen
* kraków
* July 11

Andersen is hiring a Java *Developer* (Spring) to work on a project developing scalable microservices-based ... optimisation, and continuous architectural improvement.ResponsibilitiesDesigning and implementing complex *backend* ... teams.Reducing technical debt, identifying, and implementing refactoring directions.Must‑HavesExperience in Java *backend*

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[### Senior/Lead Full-Stack *Developer* (.Net+Angular)](/clickout/902bc55766f3dbda?ql=ql&sig=8b6ede67b2d7950ed557b92050c672e1824eb6b3&e=6NlY_Ma_evHUNpwzAMxg4bHD0mKZWdLU3cwNONna8U3bpruO49RzZyayst2lDk9YRPEBOQe2y55hzCkU01xbqPgPNP_XWnrFE5x0DoQzCrgBgLnTsIGMxBtrOpMeImH2-cpASfJ-NN4ltR_Yzti5f5KDH2fR0Xsv29_NtZH5W_h0rb8YVfuR0bkC4ONmJA_QAR53cgT18NNY8xZOuELEQTUxuWbmaLmNHqrv_bOyohsgYRtinjBFHgz6qNSFn4zhUnpRHZXzYcLuF6pUbX3keE4xRuWLf5dH3z-OZ_a6RYDr33wSIxLKCyD2AKWPzVOpwOrwtLzEI9qTkM6sxNPVWf6qHi7lrOowA9FHvomKHOU3Quhchg9QNdNmUnkeYY4jf_bKSLrFDmNdOEHW1k0nFrPNFVdKbAIwHlynon5UVjeWXmBu1LLUP_oU5gyiTVk7jiNKKWJMEVNe6GsLxgfCxrGrZle7IDyuZhUcqMfzjPxSx_LbV4JafcXn0fbgFB1nm-V1T00Hxt9rgQm4z6USldBEsRsM4M3aZ_6grh0m5Nk6qMmUqg9kgTLLP4x3UPS5jpAqBItz7ZaeBOaPbf-c1X0NfNxNFoYxBkYlkXFCNj_TM51EHUO5XR3uj9bZqdOrUt3-u3DodTOjyBrFTxqMPFlpuaVHw8uVyoxQzKXjoPfKGgwqPGzi0_bD7gtuDOhV1_IfibX_MwHQeQ_-VNd1SSR4tzYULeMlO-MTHxEBfNmNpKQYMpMZzwiE39snstk0vFEmtT0pyvqNzv1gH6yeCuooxKmyfI_-nQA3W3o0KMbxiN-m8qCavDbbnfV9nmrdZHxU67AzOKnOw2IV9dKEz7P-IIgsGFgYtSIukbPXUbU_Hpaf3GyyA2OkpIj_wpG56LbnWUbhsnHGJyeI4fergqqxLS-BWCDE6lVqH9a0Z-NMddsYLtH6qhfFzooyAL7hpZa8ymqUjatJM_ghmeawwna2HZi54xDvi_opMWzO1WCBNMbP15p-kdsGiNKn83GHoxGAapVPiDgqTBo5F7qU2lKoZrDnOTX6ZwLVndSGeH_NpcXBnQmfFy9DgelWZMbv4LGo8Nnt4URdSKtAXmtseJy7A7_P5c8bTjIsVQ1cfqp-hihXkqesp5UA8-86-c-sNWKJtTut6G1LyrQ05LRafZRyJIBwHMPTDjDUaXFB66OXDG1ecujiRtpYMbA5vQNaAmHauc2yQQHVHS9krv0tKldk8nssZEfRMXpgwY0tCsAJK2iuGRlPFVPWeGWcrZHtiqT8_QUDJVSmZMWkUw6oi2doQBTXdQ6Jfbn6fA28ff3NHioGm4LABnC_NMKpgDyQtudf6YxVADB_jKWvRHPIEYjjZS0L_EUgmOrA6JzIQ43AZnbmhHuTGQ8KfSGswsZKn9g3EnuCiFMyZUCAck0cglNMC73ESDTgQOnyTu4MXWavl8n9UKY_ZHcsDbDPdg4TFZ8nucUKxvZQ9JNlQ6iPgTKEcMDfIyM7xDHC0Ae6GGGcyqdm&prev=RQDB7960528AB46E&p=8&pg=6)

* Luxoft Poland
* kraków
* July 20

Responsibilities
Minimum 7 years of *backend* development experience, preferably within the hedge fund ... or financial services industry
Strong passion for *backend* architecture and application development, ... , .NET Core, Entity Framework Core
Building and optimizing high-load, high-performance, data-driven *backend*

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[### Staff *Backend* Engineer - Kraków](/clickout/a2a74ade84e317bd?ql=ql&sig=bc917c0126e7fef98b7cfc498cf8e196ea23f630&e=bsIXglyGKsXn2GJl6_Pfu1VnC-rA29D7LMZj-KXa5aY5GT3tSHQyA6GoZ5bCX17abtDllZXCxirSqv6WublzduKzyxmlD74UfnmmRiOdVObJJXTCQqWS5WDBWt3uYQlnqx3kG4y_6xELngMe61cbjzccuDRaIWA_peSJIV_7fzuO_qH5Frq4RMIpis-vtYQrqm8UZx_IerogHFxMzfZSQIDacD0GGYiJEPV1FFHAHQpnbE9z4DiEesEJPLpkX7FTDhqfAkPdjmtnbvAEm9p4oSvT8l8SCGNhZK8xZekbyTJr94KoG8pf28BpGUICpa2B10bKArT8ZytiwMFohtNbxnLXithXbXQcN2nV3524N2Sc3d-8Sc2pq62mm-v-Ep7RN_QkwS0wdy6ltI5k0Gycib7oafEbdqJnDMi5fV478Lghw2Ck0DSW5dkAxhVHzBOlBsXhSxUbtRFfpIk17fpXyQJoK4uOhKBGYqyyndxD1JHYj0ft6yW_2GmEwG3peaWz0vlKiPelFwTmvjxnKSVBDXheqHY5SA5Pr0qn9y9sYLoERy8q-9k4CyG0A8MuNG8oxbntU1JqOAC1Dhc9zd3yrDXOgpz1GJc8qccszJCccqWuVs_VCwNi71Sp2et2Y_LNqppx4Am0K9rw4lkopakMjTHeh8qhBbT7tL6-TTinH1IIpZFmgY1YtcpUNqDhOrfLsJvkzbsdXlJB5RstmcSyIgrz6oOhUgtJ3VV3O_hN2oN_F2-fvu6SGMGfjk8A2qf-yu7vq1W_n0ihFpRDYId8iahDeN03FHdxF-JIf6LyHQghga5J5rHsxCONvqjYZs3_XhS6dPqBa7x1sSsrnRaTrl64EFS_ADhZV2vu4zohy_Xa24zfgAbAzYibZCdQKkS8qJ9LM5rb8j483e1-OUlWCAwhNQEoNSeZKJyFiv5LVQyDMpZeIAKB940YzHbyfu8PjjOqt3XKkEjK8286PWR9mdk2JziNEzdm-T3_zSp94JCtC_RW4Ew22TQC45GBH56NCuMYk-rzJvLMhnG3hEIHU31HwdnNcKYtp23QgiFDiW9BawtTxcPPk0t8HxVfvUyIrDpgTDer6X3x6FLb59qrSjgCRMa6fi0KYTkPWx_jzppeSS4PMRnNRK5WfJs_G-OBuxMqPiNcDLLZXcil5Dqsw1XrOVlMQ3S8XQBUaIWj8_cb4t0FbZJnTCnJDiRqpX5wIGSbQXNyp40I2cdZoCekhh4GRS--1OvRe99N2sogY7yhbkHRIpwd14MqNKH911FN_Bt3AJJPxp1r2lMhDtymyOV2DfgaJzO28EIE3aCxaEnJNKY_Ili4WzGfiGI6QADV0FNiXpR7wPyLHYUOfwwnFwfKGEyiWYpxY4PY1urcPt6H2a0txpL9edmQLYEnmgKnGujERpcEk4bdtuM6A4W6GAjVGuTHiaY7DqYTtMilqDqtZTwRmeP7OlxWXTKee7jyu0qvAO33kTIhSkwzpP2p7ChFHH1AkyhAIbg&prev=RQDB7960528AB46E&p=9&pg=6)

* TechTree
* kraków
* July 19

As part of the Core *Backend* team, you'll work on the systems at the center of the business – designing ... Facebook, Palantir, Google, Amazon, McKinsey, Mastercard, and Uber.The RoleWe're looking for strong *backend*

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[### Senior AI *Backend* Engineer - France and Poland](/clickout/102ec6272cf66501?ql=ql&sig=256004f6cfbb11f99a9173e0a37228ae53166a6e&e=0aWN7YZ8_xKXYtHoGIy0vRWnFdonTLgoScQbzrkXOD4SAiIt9EWmnRMDlUvX9-ST-Kmfa7Pv0VxUI8Jd785srcCjiEyPqREDcEQFAqUlOfRrkWg4bi96HHYnAh2oCKQKB-VRIpFJTP6yikatuBnW4Ir_P4JXYXOc_N3W9QUaaQ-HXc8kSBRMtEdSzHtp14Rkm5F28LKzxi2c2FwpYO2aaBWh6i534THKcoHrG465qd9MYji103LWJH9BudODn1Xy5iz_Wyo5aXg-sZVy7abRVB-93damNbPad1FEj2r2o5HqUkxJVEz3iBCqbWTonpjmBVRdpCTIcGGuuCNRCyMSkwVcJpTNPPyK_kYXmoxYD5e0zCE6tt3_Nmgw-UNqvO2P-k_ZH-XhsyDPpOn5l725DeC6xQpEcpPOiaW9LDY9JgaZ_poouJkTWUvz3HgAq7N9behF6M9GOnIl64_drhIb5hU5aWUKgYuNwc3XRFIWfyeeWF5B0s3BW1M4lFG6zd3HR5kBVcyS0nZyybPEeRPAH71hUV0BA29m6h048VGPR5D58AUkCx4hh3l46WkOR9-F1kkUlLorbbuNGzm5TypxHT4lUdy29NbQ7n_L60qDIEfbtBVM-VJ0okcynCwXJEIpFJu7oN3tNI5GFsEubWcQUAHT-1XCqex12-olHadCSgFeqsSHaO82Bx_dZ-CDefipxFF_I2j4oNwpfsjSlC3sT3E52hMXQCK1LpQL7tr1mvW4VgS4ahge0oj09ya6mweZVFv7K_Vm_0DVo2iAEY5rCmY6TeSyCaG9xS14-pd9ZfCV1LZgv7ArBexAGW5WEf5BpNZ--Mi0kkA8t_pJDb7VPBnHlDqXmyQuMej_S-vHYmV4LLPYQtaTYI6_8jdDhf8yv84kTmxZ5oJYp6iEl6bW-cHarE4Jy0l7nRbvPmXMBs62b-nbzwAYEszqj3d6HMte2ke44AwiUVW3GlTP-VvVcbvhVAYi2CG0JqNY8dmeMpb_f1-RX51BBA74Fh88ipCXUzpEqUqZGgLJHPTw6jfuwbCeN18l5GEfRjNE1oHque-y_4xyo-lM9RhIyqtAUatZYHPYXaqC22MK6YEHV_dK1cQl9yK8C93XC8K21YoSn33LMZhUPFHM8UUMCO4tLlUUyNbb2yE49_s-d1MuesFxzMgq1U97kAGCsMnQ-7be5GTghlk6BKq6DKKLLV49orQKJpGJ-wsd93cI66RQh3C3CZr77rDoOUHqpCz14lD9aoioivybjXP4KiKhoxSKHEiahbSn2jnS-rZGllfCyMng7s7hpndoN0egwq-mjCPw3Z9T5N299QZ4ln2J7bZP4QDM5AXPJwVdpyFGfIkEvWpZgLmJqM9GEOMhq6N4a3LoI3BL-5K1dYSop7ZfmViP1MRlYPxD3-At6orxn72n8aiigXgdrE6GK53ypBsveOiD2oPguVgUM0Sbp03P4SuxgklY_RP_jd9pICbPH9yjhS8Rzk4_Zq3-&prev=RQDB7960528AB46E&p=10&pg=6)

* FyrFly Venture Partners
* kraków
* July 13

The team designs, builds, and evolves the *backend* systems that power AI‑driven experiences across the ... agents to LumApps content, with source attribution, reranking, and sub‑agent exploration.Agent Studio *Backend* ... Engineer: 3–5 years of professional *backend* experience, solid Python skills, and a strong grasp of Clean ... drive hiring by reviewing technical tests and conducting technical interviews.SkillsProficient Python *Backend* ... stateful multi‑agent systems and comfortable with real‑time streaming patterns (SSE, AG‑UI protocol).Full *Backend*

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[### Java *Backend* Engineer](/clickout/a5e169376fddcd6f?ql=ql&sig=4acca9d24300b56aaf7bd981685efed05ca15453&e=lSEP-4cAjHdluZprttOp2ey1Wf6fJXnVSUw41D7qGpas85gPc0noGzljnnrgPQVV9E5B1tdh4S9yrUpUqzRFZa4Ep5gMaYXakUGTYa1nuAtV3mfaZM_skcdxocZfNfRs-LHU5KzGg8R_NW-z2BkRsPC5SHT4ZCoK_B0zciX1VfBFrTscJYAY4jYvs6CJpHsyazJQShi0k4lhTo355RjUOidA00okTFhrvxhg0p8gydOQpsO8NYuJzryPK4U_L213pckgXB-1IohnX8DqSMkqQLB92iBwo5D-nJSxCPiVIERMOoaDY1h_Y9fV64Nbt8E6MrXnLVgJq8AlsVYu8zLDChA6MA36aMkMNyaloNRGXMAH5zUiEk5AcTN7KmxFLnfeFh3W_qbkr-tKIecjXWAHpQdiuQE22VCnzmDLrMiGrZFm_HO3nGPZiDJ2kXPq5w0tuAxdO6ng6AGRP21oTPzMHiZRdgCL69dDKPTFGMxY6GYti5jncntueyBFIYaN09OLAHZL1YDZzthobg-iiNDufz04p4LeVN6DnGh-kokYfGEB4D4gG7GUqM58SiCwlC0lQx6Rtd_oagp2v_BE-vquQyB_AaOUJMQjsItWA7aBgMOa_QZ0QwCjXM99KaMtX_hxZ0O0Rgflv1ohMgXmx0JHNZwI_SKmfFUielaW_o8ih2CaLYPoCqMex4P13WFbcUGFyW1lPTYp0IiEeA_rdEyvx3xV2Y5E1pGvJF71IvSbLopXbD3_pF5HDm2z4kcQwIFHP0Jq_p59ukryHjZ4K_zhm13CgAM4T988aEIW4q2pfxrk8HgiF2EDARS2mkST0PraYH1EHQJj-BreQrjKvv8lVaDb4uybV9RPW0DnbR7RBrxMq-7HkozXs6VGwG7cQ-mM1WUqz6s-KWtVVOjJymOaMHtNHFzGpfNbX_VM3qIw6WiWY6ep5gsf46Co3OXytGfC3xq6CLt6JdVY9rjUJpLCFteq-0vwjxPy7pU6_gcxwvIEFOBd9CAD6pVQa7YvKRmjEROC94CcExZq0Wyz4twVjEDCCeyuh47QmYXnQu2lMvGrzWYSiTDpVqHhgTlfAATJsYS4fcepMD__od8gLP1uckxaZPj5-x3M4sELuxoVZxZSNxVi6ew8Hae6RQe6dCU7_rMIEqJZNhpznsk3vKtnGa89GzorArQY86panDYE_y9mj27Q3cmU4S4xHjhvfHJS4lqCmcKfi0uyXCLGqcxYde8UI1efXcTTDm6cWX_opeYRYVq-tOMXMDVOxlv1tv65Zl2Mx_mpVEkmp4eitqkDFxTwViaWfDZ88TFxHmlhRf6hz_Zjw_OjGI-RN-8TC7EfJslmdtwc0_-8vjU4Ty_vUVbywYmUkgypBIHCBkidMZl_-ip9QrFq4tJ4793B-i0VVkzohWJSAG5CWhPp4rkvgKpUxCPYdty6vMv8kYo_pJggl85w1kMyiN4ordDcuf_cOrcweJNe_plKB53USq8LbqBwYHVdDYxnbw&prev=RQDB7960528AB46E&p=11&pg=6)

* Synechron
* kraków
* July 11

or veteran status, or any other characteristic protected by law.Job DescriptionAre you a passionate *Backend* ... We’re looking for a talented engineer to join our team and help design, build, and operate critical *backend* ... platforms.What You’ll DoCollaborate with engineers, architects, and stakeholders to design, build, and operate *backend* ... platformsGrow your technical expertise in a supportive, high-performing environmentIf you’re excited about *backend*

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[### Senior *Backend* Engineer](/clickout/edf335d970bcb406?ql=ql&sig=6ea6aac323e8065267681e1082af370a2d8b2587&e=25WSBYchBCdRoaSL03Bq2rnY-0usOkXy2_s35AlLUcmAfuthbCmYRBYgATiN7HMN0uZG8B8ApDcYPqk16uzG5j_G8vPyUCF9AVGNc5x4epcRIi0EXWf46JMZEd4zSH-LG9ZkD_E1_mhiYNdHnMddtmExGlRPiAh9KyDxzVnAzdmBGNeEFDdRY4w4uagIuZoSeAYVZGhOdotftM9pPVaaNXkT3TmsN_30jbM2xnJgXNVEdu3d_Dx4PPVoxP4Dq6uEfAuKzksiP33OsXkLlhrSTEXabX20ZIl-mBTl800zb7H2sIGOIyXy9mIujs1Ac7YoJwzL9IIWcA2mdgJAHMWEidoa4MfyYT95h2mhp9Yr-J6XeBva-tyGUISnuggiWSA-hZq6yY93SIy-oWxSPuuYpeidbnrHahY4AT-WwayoSB7uCtLSO5GMIOI1VkimzLJC90lX6Q_brI8taFubSXorRA97_9hrYX56RbsF7f9hkZ8tjR3LFtzvqJoXtnGLKuEZmbHyMJNaQg8BVzV9OudbDqKuc-UPKsEeNwyiDqgzM9CwL4qERWoqAA1SC7u1hjgzsk5yLPprv9887lOC6es_svMFGgttF5vk_ShhD-q7KyoOKBHLNXV2PVP5P9ZOy213oMR0fWpUJEkBRSDeH_ZcYMygUTAhdAyaYpluNLOa1NJFYlaF5uxdBERtZEk5IfMyvYH8DIBCO-_RZmIHb8JgACEo_OwSI0Wgs0haVafZNNFJ1HmC3owfvr_gkknBOXpE9wj7x6PCYbGuykHP0sWN9S83Bo4A_HcokIbhf2BZiKZru3wTBowtgRL3uZoIi2JNbkTqc1l-IWKqL4R5CASLykLF59tSXkNz3JhN6ruRtrxHi1qt3zIwWCTYE3mmgJlYSagqwLW8zIddWUsqsa8P5gApSUBlD0Ic3WUvRGwtMlFxZdWSF71u7dQj_9o8ABNmL7hYbbvSlbgLqYtqFGvpAddkSp5aUqeIUcY5Cha8xD5StnN5c4x-4MOdutBxR3LZaPZl9WgaPCAulQrLVMcLn_D5MWDQqiSi0CopiLETShKuIzXyxRqXcAlRRAO-PP0wui1DT9Q9q3cXzBp7noFjrhcHP4TBnUsyVsLFf3_lk5XDUttWeAvWXqn8MI_j5rgwJryEYkn_4FO1Ed4Q_D5K9BCML6xCIS8eYSSPmDPnyCZ9L7ZhStnHwkU7HCnKUDSl7x-e0oXzeqyqdCAUX8hB84Y40oeI4wetYiW3czlPA9AaZgQkHHkZ0RfcAsWV-18NzNHLTmRV-tM9R8QdVBz0eA2dS1DX44lsqAu5isskpNw5jf8hIb3I-vKOHvktG7RN_N5LojpM7EoFSwAYwUAS9VLQhkRuTDOAkPx_zgZPr5PgIQ4iyDXftlD5CAjuqFXPk_6PG5wYYFtj4nFrA9e17SlNMOwZyMCt6nJ8zLQ1VeLF1TnVECaZmjkRLEUf2k6tKBvBaL4OQVDvgXdmSCUiVXVjClqMpOWZnLDi&prev=RQDB7960528AB46E&p=12&pg=6)

* Motive Partners
* kraków
* July 11

is a significant advantage, particularly in integrating AI services with Backbase’s core Java-based *backend*

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[### Senior *Backend* Engineer – AdTech ID52365](/clickout/d1fa5f5d610ea523?ql=ql&sig=45c91ade0e320be26ea002582e76db0cccda0c13&e=6fzvW6JAa0CdU-4Fc1zBz7Du1k1Fdqa3KVUWPxNrl-u3RywE9_XsYAf9Y0EY0diQr_pgBxqjJYh6GMcDDi9MyVM5Z1-4Tj2Xi5QQYvsAzDETWPOMrF7KsBIc7A-SOIJbiLXLuS33WiRIrPxYYiHCpQBXmmQlRireKdh-fsGZ5sI-9jBKxVsjdMjwqTNylNu6baisSLzbhWKNi2QQ3NsLBjbnJI4MsVx6Sp1le1A9r2lMRVcbdDfkZFO6Arsiftu__nHiZnlyAmKK4HzjJPCwcQpER5gVUCSnYkpsHawdKWNUKgizqHUsc-w43eHComg22BvrOAU6GcTRWln9emF3D5EbY1-lMfdo2agx5RqtUTCNzQIykSMq0ETOazUCuZ5W6xhtPzJqXBgQg_cJsEyGBtDhLchFAm6jL62hXxTtINZoIPMAVY_xE567V4ydEQUrg-cVi3O66EfUTt-fACdoCm90r0NidUbEMdtxjfvpHE578Ffk5AlYlvS4VRAMUCQyZM8VHoXXst4EyS7D5aWwgaxax6BH7apM5QD52FOTfGpGUdZPcBG-p0g9XNM3jKdetxjgd4nhOb55T_nHm624X2zjPTW7gvrkTTqsEXkCAbZxWN_2ghSwIQ5rLR8-h_W5FJ9ry2P_5Fp_xHl89SjX33gTZC4pogMkLFPSYL6IrQXnkNscSGjf22dBPZaorsHlrJNllpFzMwV_-1pkFXN4OiOysfR6AUrK5Z53V6qiChyNOhL9_kRCyD7cv7xL6IWU6K8Zhz9OZjLpH0OQ0F1g2mqnZNHwYTQXfNrt6BZ0jeSXg8Fnaj6fyOGVsxK7FjnMz_-7xln1MIoa2bY4p8uedUJpho8bmeW8Oni8q--3Q3LNnUKzZ0u3qRP_EVjd7dn3j0pRrIDxL3t3End5uMEDvVk94b9o0LRiTe_xf0VmwkO8mVCzAP05VBjiEAz_UgpYw1U_MoTazBk8qaJ9jrVQ3Ewzpmn1pCc0xNZ-q6gyIo3IbimNP6gJa8DC1Z-9a1dde3a3ksf1dND73pAuGjW3lcBwgFg7rKrzjZN9RFKxgxfuyUUHdm4Pqu08TZfAvOzXY4c0_r-8Gqb54jKU-Mqdryv2X6zoQSXOQBBQqzBe717Zgt0xkAa1Sl8CP0DcUktBgh7qf14UY-XUb_6mLqJy67lZCTRxQstx9oi83cBj-mC1P6NKkyL7Qulm1cQ9jRJ10XTcTs0NFuUCT4sNW5n6Xt6pRjksePQsqe51lvofZwNSCcbEgYt-WvO0BJWSHP95a9LQdMyuR9Ok9XH_5QV1_GdgbL7YZgiiqcX64CaCBarW74mkl9_LGzKuSV4KOUDprjs51XKNP9ViZ-zv-Huk4lYGTGYmf2vg81ogne8G_ZmbLJl98CM4BywwQDYbO4FEyFnff7FLYzTAvA5L9_Io7nRBqG6p9yvGCSotrX55WVsecSnOjfSjxC5THf_LiB0j-BH1q0TMj_KSZqikbFyrN7cMLkiCupHQNow9&prev=RQDB7960528AB46E&p=13&pg=6)

* AgileEngine, LLC.
* kraków
* July 11

improvements;
Drive architectural decisions and establish patterns that support scalability, reliability, and *developer* ... ABOUT THE ROLE
We are looking for a Senior *Backend* Engineer to architect and build the core systems of ... MUST HAVES
5 years of software development experience building scalable systems (*backend* programming

report probem

[### Senior *Backend* Engineer](/clickout/e22e2f3aca011fc9?ql=ql&sig=1f7d91bf3d9f6cbf4fdc67f17250358169ae732f&e=sbyEywVpdojt3W1C6RZuampXDDJc12kvdQ0WErWMKc4idBdslLQh4VsR_25DEjSH_RxOidIi9ChG2HxEQDmyaY8HHltWJQwYsbEMAV5p4JwDQeNAca5NjqEEIlme8ni1OEYIyB6rk_dyAmvnRUMh9nDyGi_RN2Uht1xSZ8vtVxD-3qp2_nn5RCGoW_8wYhXdNAr6h-5gfhBKLWQZWQSrC4FvUa0OWgJ6rw6pIBm6_7c4hmjkptTAo7syBk_vchJxTtbdrZ8usTriwYntjYeuE1Tig89GovvSCYPkyUwJMfQu9sdoiW-qqpq0s5YkFEhyWuq9SiU9XdmgmJeyBVehLLhTAnIaqAHVwZZeT3T-TJzBFerfjygByFYpbCZ9Vv5E9SMT8wQ9_rmRvQDlKibHQlyARyrbmHQK6S-YiZTE3zxxbOaxQ6rU7ViSKnzfWgG7irr-_cOSws7yg6lkXj4B3V8W0GfXboe5E63i-n3XT2_pBkupgye5Qdjr4bd_6CwDW5m4UU9sFbPDL0DfSMfhVhbrX6QS6zF27-W2XvjIpQAy9wOhUxxBtVnUS8LCxM0WV_re5MevTUzb54RKe7Q-eJWd3lN99HaWMmN04J00y8sqPfKjNr1FwWbccso5Vju8jWx8BJrbHIzLkKYmHbZIuvcq_o1DrUjtAJdaQqD5rJkDGEijTK_3MQ5Db50pERnrFs5gJz9NsNenL8mI8_CUS_oC0oDkUP2R0EBpQvMKoEcjJcgd-LBHVZVG0Fv0-AFojkCGw1cQHz0yEZwxTYcxT91fUyDag2yKl1c0aikGMu2iogQbj4xK-I1NM-uNTBobRZH9_6gI9II-4yl-HQqiYA4NmWK5RgaMuPvoE-RigEalZliY-HPdhDmrHDAJoaZjR9rULilPJBPdpdyTmWIncXP4ilaqprYuR79CzOlXswau2AxCVpdi9_BdKGMAWgedoyusfRyEZIw7AtEokzzPjWo6AxHZxsU18cBDoaOhXUk3H_u7Ii2vqnNtJEN3CD4WMocFdmon4rxWbvVZpzd-jgMbHiwSlmj8srWE6Q9ZXwja2GpVEzqqGnFJLADWJvb7HVusYK5KutqmRziNF9XLm_GepHlvwbQ-LRko0GsiMh15xI5l4_89RkG3ZyBzCIYpokmlQhAOcLwx6IemvxO7OqG7Z2U5FDHIK_O8tBaL0wPpTusCnyL-2aqk0hkFY5L7-u20_dBdK8PqiFu92UZkJhWqSYZEpznAFH_-rPShwtA_JyJg32X9pItLCd0Ldff2MCM_mzY7GSZB2Joj-KthggUgOTG8iox1lgfY7Emt5jx7pWwV5b2A1bbVCXupAzDx4S_-lB56coMRWKkMR47Nu7FfieJ7HBxpxlre0ioXVu4igXdjyMJFZhyka_0OroPEytxRDgHdjgqwChyfxmL4XNqiV5NV3VbyBJwbGO2hvP-I4rroCKjkAc6x2sZ9du9QdxygwWBErgWI6TMbtzFvQYv3QyMxVVbcC12A&prev=RQDB7960528AB46E&p=14&pg=6)

* Upside Lab sp. z o.o.
* kraków
* July 5

Role Overview
As a Senior *Backend* Engineer, you’ll be the backbone of our development efforts and a key ... Responsibilities
Drive technical direction: Own the architecture and implementation of complex *backend*

report probem

[### Lead *Backend* Engineer (Java & Kotlin)](/clickout/781c51ae72040218?ql=ql&sig=a7ad2fdd93e10249dbffa39150eb46afd4454de5&e=LXHjyeJTziKIW8U85yhoRHr_kuom4EFRLY1_tuuRP-BDHwVI2KFVZ5YRB5JRc1oFWiaMk9IOR_9aHkJ7qaliD4rhABg2RIC3Bn7lfB0LeaVoxmTsVQ871vNWPIrxgbjUXRzkaJBSesRKltGHM0kYpAm8NaVthK4PWsT3pcWJVlJX2n1-xBhXMuCD1Yci7HZaG318cm1EEH-jB2cJpEUuffIDiDMmWhQVp_TKa1ds50iSmg3frMdrFW5-DawZR2qaGIEUcClh-QTQ56Cc_a71E8HBwEZYotbB9hjo8PiqVsU5QQiYNN4i0l6oWXl6vsVLctiXJi9QAJEYf0eYBEl254G83d2KdW-cpDhLkEM7uuuIwAy7ErQgHhNBAmBa5bAdlQyj8ucVh0O1XF9xkq0Mld2ioNWhWoxZjrfNwFd2fHxaaRNsh-CB7bK5fuxdauQTQNcBGEhKqVZpyzPVfcyO1G5FQZO_QDKklhWhYLqPWN01PjqoO7CPh5cy6VE4gAxQGOrQcBlBduy6bBaZjzTFC_H1-f81A5M_R0mkiItNdrpgkXv72FuFedCDKXO91z2z1rxjSapdp9Mxpsl2wdLeBBPH4SzKLTZSdBmsoAcxGElfbLgzg3e5HYr5sk-r8f4TMzF6X2-UF1c-Lc5o0lafbeoo0vWF6vMOfByMKtGzkZEVuZVaZ8O7SfguzUoH4TVT_O7puzKvw9O03ucTGPzHafoB8sMdpMCGLKK_XzzHY-uRgWTYCjnx2dVCMZbWKhCcyz9P0jdGduxK-ZGWztFI9lAz-rULgvfEAAqvcd1LYzAY27CSZ5Z5OFEvQDBY6WXCL_x_FqZF8uJSq_yPHouAz3535QJnZ-zHP8xn2ydjcf6aHL4T9ZuIFMriLOGfFMOGw8LelJ2Qio7o81Bf3dY2Rol09EK62hnRR7VFwNpeoLmRpG43wctYVfZzB2fMz7YvSGnv8KNzO9ycl1YTjjTvgLtmkxqhDiUb9j52qzcPyukB9cjprbPwrWW3zxb2dtEVJECi8kDun3yVIEW0wNuq1gnTFFUtDfSEvCDU2jQgR9FjUxQq8G5MtS1k_8OxXi7mMIl2gb3TmyfB_cE1Gjkyybtv78T0TnqZYd4mkUiKoabhXN5lJXN7p6wkEiTjFncKpw9T_UXfM-OI9agcDQLOOcABT-j7d-KiVdHB4GiXE68USztjfJJ9GYCkC5Ar1XyKT2CWKmZvd_CA0Wk9hdrEwyY1EgOb9Yt47b1J5vnkm1zOvh4QwwehXlDkJygjTyBUiK-ZvFlpIWP8tQaSKnPKKk_BOlkkGPu7mOsEdOAZGRG1uXaBfcyV0aXdD8-26yqtLBZWqw_EJjrj3Y55GIWIRe7bYRGlasAm6PutiigkLziaTAc2o6pXkHKqVf5G0eJq3zsSEhBxqOEDcs4-KtOzJRQaENDG7RQs7lAS5H_3hOAh1spM37U31jfHTlxDcHI-XwYqOQqTZrnAxwIQZEL4OOXl8bwxRu4bYA&prev=RQDB7960528AB46E&p=15&pg=6)

* HERE Technologies
* kraków
* July 3

of *backend* services that support driver‑centric experiences across platforms. ... Role Overview
We are looking for a Senior *Backend* Engineer to play a key role in the design and implementation ... *Backend* services process, store, and distribute data, and derive insights from aggregated usage patterns ... knowledge of Kotlin, Java, and Spring Boot, building scalable *backend* systems
Solid architectural skills ... Who are you
Strong expertise with hands‑on experience in *backend* and infrastructure engineering
Excellent

report probem

[### Senior Java *Backend* Engineer](/clickout/1f4142a0e456021b?ql=ql&sig=78b129f62179ecb90faeb2140fbe0df84e995ef4&e=PE_x_ntwiEAcxNW59IcT0FY_Oy3AfkmUdl7SUKUpQrrWwf8kAwpJDrTQV219eSy_u_T8aXeJlHIah5c-uLKRbH3ieKgSkDDzKdlJQxdBWtv4oQKPfqicbfWHWYxjlMuhnWf0ZQZvBu7-CzNtkpZBzyTq5wFkAVDEuiqe-E_KsVA1Gwpax5nl7tKucoL5QaQfnWJEmG1OxL58TXEtpE5tnjRwFcoFZXI-tM3yyVfQrhI65iklJdEvFsf_CksP7MG7lP7rL67FVbJSERcOXJvhHr7_j-cp5XIFte89b3TxepJ_gQQRovvTfYm4WTujANUgXSnJS98YPnuRi_unZbMAx74Hb7tq78C5BSFamZir43Y4Z9aVJM7HjCLPropwtz2cPYR0X8aUJrMh3b__12oogTBNzxXlZf73HxoyLvuJxg39a0UJsccP3blZa0LgZJWpX4HcVEotJQKA3INs9eU4yVQeOvUp68ZJsj3Aw2T7dlhjTg8ln6N6bzjUw0bXRz5NpOZ59t7TCoRUJK3J_veUZQD2motoZKmjQJw32GOoATiAtsijYA0pOBzrDFi3a3DmUqiIsDOS64_v9Bmq25NoQ02g7NqYok0MtrdqtgZa_smbu8BPQoog2xQ1krRJrAICQ8HaQooWwpond97epJmChm6nzURSu5boyicfeKh3xH7F7kXxmGn2LKhbUVA1txb-TAa4ZERPNR93PL75P6WWiZieFsoHdy4wd5TN4D9iLmRyAWDyjWntFVuwODLOslRNNd8tgv6vyw_hvhHrvgdZ-VjaUfgxjlPxkXhNrUYu7jzJAAHjqVKRK2_P0PO60HAedgOUVwdsXuIAKxb266DSz-M03zoQqG1onbNSC_7A2Sghb2dkZNjUswmUnzP6Gfu5tH5RurbBVFjKmpKwIKEi7WeKh4bqi2HBgjlhTcYH3wnmYQw9ijVEUK9EyHjzRo8dDb9yXw4O7V_bibviNKhf2QnY1jalNqy5zwy4drYi3ygFcSBBLNLykyakkWKzcJ8JbjBt8i-7o5GPR-0qA-I1Jn0DMuhXnURiowKrSu1FtPHD7v9X49iFM1SX6di6I_z-C5QhNiw5k3PTIwkpuWIypGHwOB45pXZYIUPXM6ylLF40t-Jb6upLe9jr4Shh1QxPM-XYsNZSsfpyVU559mQxIb03JMGjUYcnSOGYUSR6224Uk13KzysUEDF6Tz6QbSEIv9JKDbYYwnqgqctKqaY98Yn9Dmc0qSLXK0lQQwVDMzc2BK6lcNhSqRoKrNtiEinfHkVhK3sO7FiW7Jl-XMn18W55S3xw85ROwc8_qPw-vjM4pFj_FLnFXQB1yl9SD-9CZcXPA9w6uKTxSdNmE69WMuX4VLwht27-lanyGh6Dvs46f3X65iDGNmm7KnR_TYcaMLgczmud_ZUabo3QK_wDXdeYN7s_TyRW_6ETMKDUPkRQa3A-iZFduMlUpiUhFM2KRvJerdW0Lp39p4TTGwJABD8shzOSllg&prev=RQDB7960528AB46E&p=16&pg=6)

* HeadHR
* kraków
* June 29

Senior Java Backend Engineer needed to design, build, and support scalable data infrastructure for an internal IT Automation Portal. Expert-level Java/Spring Boot skills, Kubernetes, Docker, and API standards (REST, Swagger/OpenAPI 3.0, OAuth2) required. Solid Agile background (Scrum, TDD) and CI/CD pipelines experience.

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[### Senior SaaS *Backend* Engineer – Python, Cloud, Hybrid](/clickout/dabcc4608e05502a?ql=ql&sig=6096c306f205c772382d57b8a4b8f6f9449d2267&e=LVHcGWN-_w9RVSFHGPN00EBtKcyWyKbUiMWHNKtLIBOdP1qZqNoFhFn7TN0E9YPtv0nLrdltwdhek711cg9X2hXZzq7ToHq0pMfNZlZdITuxjcXlwJ8q8dVMPJeGFafYyPplcriD_Bu74M__aq2YbeRrcN-30qc1ytNNeJU64XB76ZDTqGSYKbOu5EjmuBK4fpJe-XYCaBwZvZE5mGMwxVzydFdB-TUi8HjGLQlvzFzlccqRFRSm390coFR1O6HZInQNIqbFFEYUNqK_eQFCt-DnZpNceaLwrVmHZ21IvqCmyBfumlZj1iFpKvFq9xh7JyW1fKDRhDBPNDGXN_85NT6lG0WFWKE_a8trYMurEmwBE4H67AH1G0SmfXKk112WauldfRtz04eZicbsswSix3kdzDiypHAPL7NCfCl_pHWnyhkCOGHSPaQ7Y6SKyCi9eIIchL6IhyXhMRoJVg8tEkp0751h2HBWHje1XWncy7uaDWJnVHw_joahr78mIxmEtlGJg4cWYGSNIGj0NQ5XbLq3u8SzZxJMO2kBR6dAoMNShbttVy1iqtrkoBk-y2VhtkV4PCYh-hmtc-suQXHt_edCabgNojw8drIA5ilcHric7m9oW4qzozr7kxXPAyqDbpsMg5hPWY5djQaKwyQ35pdPiHND7xsb0HTzD6TfT3uvqR-FGDG5AUu0z-fAQr9Nvph5L139ibBs8OxxjkS8SKAu8okwOsDbBiOqo3NBWqgfUmH19Ck3rShEqkxWMSDTscPzmawfrneYcdzVQxyinrTyXd7RsoLFk0O6IMpt7bKzFWfaxrQIe382TevihezqRmEKIeOj5jbC9dKl_cmWXdCk_VTe6I9qP1bHr9kegVmpZg1ZTWC0cA9ww-VnAQPgoWaEh9jViZYb5Aah5sU-usg59kI9Kw9o7qdqYK0b2NJsV68tG0xWM2tms8WkhJfIbhMOvpJ2kw8AhbGabHYUAEsKTFboCkgYnmUzqgrsTFywlxT6RrUadOwIXbEq8mUY1EgpDc92EMNDTw9wfhSlwRbggvhtYa94t_OGWqFsQe0ET3erZDAC3kW-XB-mFY1a1rBcIeh9YzpfGIfV_DKnmnCp7uUD7GIob3VoJe_KFVQmwb3I-9Tb8hrRoJBoPD8cXeFZLuvxSHVhMlK-X3glt2upTmx9s0Q5sKBRkWw5BwG4ipcibq6ZUHfS3MI0gUXjFmbZFKbHObcZMDCpw40S_VIAVxz8JZoM_E_-id0fg320-TmMjHbh_HbW9Qoc9cJMoPKsenRD05Q14V-iZTOq5DB7uvyoH9VBKcE_jMhepAnYra6t9LAYKX9mWHHn2JV9YVv--Lmc9JsPATUtmyVvWscXzldsr1lIok0Ii7Z_RZw_4MuJSotkUE9MMI-tYMaWYICNH4Gnq4sU5wtdvW45TVckcwVUSxJ7noJTAxPiwwqz0_i8QNbBI5qUOQEuMYh9r6s_T7N82-OoQiJ6Zl8omOG0b7D-OHM&prev=RQDB7960528AB46E&p=17&pg=6)

* Jacobs
* kraków
* June 25

Senior SaaS Backend Engineer will design and implement customer-facing features for StreetLight's SaaS web applications. Responsibilities include working with geographically distributed teams, mentoring junior engineers, and participating in sprint planning and code reviews. Requires 5+ years of experience as a Software Engineer, 3+ years developing web-based SaaS applications, proficiency in Python and SQL, and experience working with cloud platforms.

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[### Lead *Backend* Engineer, SaaS Analytics Platform](/clickout/77ad148208e24656?ql=ql&sig=b9457bcc8809a040237c36d911193579eb303eea&e=uPDIvdx1y1QqThZLg5QdlL71uybzd84QluMSbJ71cGsG2rSQz7O4lSC0tZwVLLhsh68vIA_sqt6ccqlQkf9s6zqkc0Ack4GslCn_SzlQ8_v6FcnXiTXmQ0NzEbiGl6327u06Ax30BPNzwytCdGUTIOGgGAN_UTyAv3jKQ8ipbre-3UWI4KzLoYtk_sYurxtpwIXzZoreYONx8JS4MvAWt5-g_S7BexzALKrmsyIVC66R0P-umqfV3wJgMbfr1cvZcxwLJLzW5dG3d-2F9xOrsUgh-4Yiix6BpTtibd0BYzDUj5kJZGPHsYRpbI5wHy5PZRs2K3ACQzTZfDXG62Oo0FZjwomDxgqyGEv1FxFwlRWRZjlVSTbJMRqIl6fobQQcg0753hC65pxxmnBc6OUZdDZtqSRj5I0NllFmfN5n-6K2StRM05SJWPvxDcOz88lJ_YorYglNjNvySrn1JeGQGg4JHBpXIhRKpA-kAuzrpo0X5iPkLGsdj758hm4yBt_z3019sXcIsBW7lZjq0gzKZvRb3rvfn933qYNYYXyG2-uvgE20vMixFMA3-_GL9v9hEPnyMpEUjw40MU167Y-gTvVl3AjKqQp-BgkNmU7PTSLcMBqStsg4Wj5zh6uvGQOaleJ0f1TzZxdzd7zeFtds49Ez9BtMagnZNBCjP7c8aOXIqekE9jZBg1xaMr5IvsSrN14AvZ70_EFsY4bkIfK0lwYoscY-ZEwjXyA0eJoTXssvCLSMQh0ABpL3_7l227job4f1Qv_HMYtmwDy4T2gBTmPny31KTO_nqJyiph1tjn7gc_KFEpjcXNCwfxW5EL1O7X-i7ATpX4P7oZmoQ1YRcpz94HCiFuyA3DwRiiSSQQXYMx1L-HKvxy5ki5nUjGjtfhPQKra78VZSlpCD_CGADzlo8ydruyauarSWa181EAYI1w5kx6QwzgOEmWaUD-rEJ-9V37zVyIHCmdpsn0xBfD22Bx5auq3YJeeW2GrhW7dLVmeWs8CmmEOg8R-HPQ_hQM76TJ92SXzMIJppjO5zee_4p3hzt6uBwmysY8nhWwDh6gUH6bwQDnUTN7-q6WG3EyFPYdXICLRSnVSyukhsT2boV25mGyykwhAWNanWIVR9-ewFLNK4WTPzawJNkonLyP3K-OxeZOERJUfQmGr7Cc90dWfAWqGfnQ6fy6j2xIA_XdvfZxwZF-wZ9WYgZKZawD_KW3Lg3mjo0WDLY3hIz-e487QXr6nVfM0YAMUk11XtS2w5mTRNt6gI7vtjEUDgFLgOXBK62VOFu13WB9yppsiwAB_YuPITpLE4cs9JaFUFljVIhqHCTKjzkySQJlJHh7x2DsgfkZZQU13E_zyNeJphOb6uZK7fbM2q5jSS6eZHJZEqffdcrcJU69ba9I93IzqdhFeiMWJLln8ScrB6KrVhfaK3L4kN7ckBsNdqesf94ptQzBNOPKDOdPTKtglAfqOFHxiJJpQBcKThBAf3lan7ijehRN1Eug&prev=RQDB7960528AB46E&p=18&pg=6)

* Jacobs
* kraków
* June 25

Lead backend engineer for SaaS web applications (InSight, Construction) used by subscription customers to analyze travel patterns. Design, implement, and maintain features, including unit tests. Collaborate with geographically distributed teams and mentor junior engineers.

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[### Senior *Backend* Engineer](/clickout/60afcd6d43a82c39?ql=ql&sig=c5587121055e96a12b851a37416eb8f494a7bd90&e=pMSiedesbXGzoXZRQZvheLScRCu7-_yZr3tAiO5hiswaxrqRUTcaqMs_GkmRJHMQ2JwhDm5A_Amn6HDqingF9Je1x1gSms1f2VF0wOAtzeIhqWyun2rJoQFBRTdpQKZncqnUD12aqOqEd1q5MAvdwsWWqtFHbybmCO9INI7KFLCjFdzTxVJs-3zQ0NDuRmloafZ_rYPYOvzzfZZNInoQ810zOVerBuXXpGMBVt_wLeW8f77HZHGiRUlnVFywLzr7YdtbhKmcg-nv89B5Sze2rH_llSwsp2D8sL2XsuKno2XuqYOZy2tTkt-oolQh2xTmDcpsdjqTYeZmkY4Rib6v4gMJ1cwvtDKB4PfqQNShOopZINC9-dXvXQbix28sGZn97v9ap9TJ4P6nIc4dfSNJYzZlUGPyf61YYoi7ghAxtIolpe6FS4sYUjSeDLTTreGYI26CoCKEZfLeiDpVYqVo7DSLOQPdA-4A0OpXw0mGIHJ4UX0GUlri2ztPjiykutb6LcLIxK8eOp2Un7rhpQBiy9MXNZSCaFE36Qcvx_42Zf8Eebvpri9F20ei8ULEzlm3UKeyPA0Lrgi4cNLXlOIEDduuEbYu8H97Xx9W3Mf15r_8DvD4vLRvWH15NkVl5IQuOUHiNz8eTpOg_kGC-lRYRFjpsKKX5QC-aujXtO5MYsHkqV5-ITm6M-j6qGDamyChWDVgbYGe2xG9TAXVakflOSdnFvRe6Jdp6-RW131ZOLzC4ayXXpqiPaPFv-bj-CuoSMUtYRrebaYZ1hV5wlS_gXlvgat8dXJJuVvL_uikSLL2t4MI870jQL3xZIYEgbEhsXLu87vJsGkXt5cUi14Ia_Mb3oacmjmOWMVqOIKPUNATUd9ikj6k_Tcq6reRLdnoYcLgJbqJh-cshN4ZcnRlh84e_6upbpKsERdLMaLMk02X8ITznn5H80W7tTiBVs_b2jxFi_4kTSQnjyYZzxTeBwAuhxICo3X1jh7ZiK7qJqcqJZkt7MF4oymF3hVr-VcO1N_KfyVB9NLEDmYv8_V4LY4iq12Lbqgzr7G44MwRrid2UuxMTFjZu1Rj1KQM74LQ9nawjQe53T5z4uDSOgxQafiJ_CMN0hKSQTAauromL7noPue7wYqv7WIdkPr3-L81EQu5xPcZHXtVh8eWu9j0y3BEHpvTPwyScnVbcjTqCyggMtRgj1rPivtgOBo30ILHmR-AmPvEzC6IdyXdJ1nMZ89ClDpy07ap1E1jhI-q5qQf8JSoHXwyMlqwK_hoOYXwKq0e3D4tOywCFntxznws2olDhc_qeRSl4LpGsuPvChdo1yiDK_M6xov_XFrVeEpnLtDJy_5_Govo7zzfzQMqhyVT-cxAVds7yvgSaNzA1qyYucM_v5RBd3RKMm4P7M1PL9q5FI9unsLF0Sxd4L8-zMr3KWDsNp0QJ1NhbyTwrf9NjpwS_SdwyvaeYzhBAXdxMAFjmHi5JapbDtEE-6jqMkJQaXJPwqXSYZFs&prev=RQDB7960528AB46E&p=19&pg=6)

* Upside
* kraków
* June 25

Role Overview
As a Senior *Backend* Engineer, you’ll be the backbone of our development efforts and a key ... Responsibilities
Drive technical direction: Own the architecture and implementation of complex *backend*

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[### Java *Backend* Engineer](/clickout/895d1a1e6b4941bd?ql=ql&sig=e32e28310ee00bc9bcca0704360bbbc9aacb84d5&e=eG-fVwbHqHBZv0dWUWkvUkLnzlCxjWOHeLwFfyDRCsKQqDLYHMrWtb3qOVtUK4GYprhPRibq40_X6py5AHluzuef44VgdZaNfTCdSmm4lhpzeWYXKkm_seOWVVvFIkVkoNqhYPWVVFRvp51Tik1dU0kq_celAl0diOa5FXpzu9MPy-yhUWFKfOUPi9QviSo14PX3t_QypyY0UKSsnT9ksl8Ps9z1C8jOqbp0bzRZ1VuYQ-DyV70UCFBwFZMtOvhLJM9JrvPUAB8Xz6C_AAgwP_wui97PChGK7XC6Uf3eVv5QuQqhIKJdSEQKnZ0ovYaQ2nBBeg9zA9X1iCBBg5h40zBdoDjcBOdAA7MKkbr41a7ag-7i3lMf89frmopKn4G4jLWNg5m4kdGotTzqqvR1JDi4xNR4JJCKetzs7i6EqqR_qSpwPmDY4dQUjWthN-PNr-M4ahmdQEOrxod6LeFFRfs40YwWoAkHGkmqqNA6EhPElCTtOLXyW4btEBfmn3dVAkerA5N72ZjjkYMOHU5XmfEnY3cp47M76E1DBfr6ZFhSZccxr0LnbMcOmnLDrzD61EzT51NsoUzh5r8ilYe-xLM95F3sbBSzVWUh0xO2vPKs_ezUca1q0N5a27PRkiwPzD5u86kIxFEsJnWVwBnMJhRZLm-7pzyh7z1u2gjcyTELHPw9HP8mm4Y_R9SXpDHPUfv7AQIRE2CZVQrRRIeWTcN9FNV6GORAuAqHSKaoUtmYUCCOFlo_70xKxdaoAxVXu6XbxiUXJW1nXVBbDatmgfznmLoxw8FHe364X-S_jMhLJBIIrCIB4x2my2YZsDXEVnUR0VZx2sgkF4DeELmqZ02Q625WULfk6cPOi7sPcqgKZoMPQyhmMQe5LrDeTGSzNEKCHmCnIaCgxTvT-_DuYvnR5PI34ByWdl0VWhTq2_jfBPrlnKa2N0hWHA4ZaVeM-yR7jLiRnXCNTjw5VTtWMuS02xhRXD-Azyr4kwjQYoFN9Ah2ZLP6xkXpjvZBdXXZcWknOuIsvwvctkesnn7p0eEnRmTMtqNHXXvxl9BzudM9mko4yiLYi5B8GyoOSd7L792ITj4NJ3h3tXw9d7ekhKGaIJe2a388Ovc44BLKeVwi_2GSaXm5szi6JxpG1N9fYDcyJtAQ7oYk8bR5_s_8Ssb0JwfuUrDSBM1rb8DD0uMewUGSCcxI-W9zM_CRa1taRkY7kBjJhyw0_i0nCv6QuyhhLhw-LVipvb2Ne87ziN81dUcOBFqx5oBVRiw9oOFQhaEGXOROucmQuYskfaaBNmEs25FNc1Tt_YZjMtf2-hGDsegXgOaVotscSiDNxoapXv3kG33TErJI3-6FEHSyZghPClUHw-nFMv0YL0AmcwtHy8YIanlJAZ0sYdNgC-Dfg7Oa75eRbcIFo6UGM5z0zU2RM-2K6H1k1GR16pdwFCyzTPu7swaamcMsj8yFs8IyD_gba0zevoTSkHvWGxJMPKcwQiKjV0OFNA&prev=RQDB7960528AB46E&p=20&pg=6)

* LoopMe Limited
* kraków
* June 18

We’re looking for a Java *Backend* Engineer to join LoopMe — a global AI-powered ad tech company redefining ... You’ll work on complex *backend* challenges around performance, scalability, data pipelines, and real-time ... columnar stores
Experience with Kubernetes
Experience with Kafka
Experience with AI/LLM integrations in *backend*

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### Kraków

Voivodeship

![Lesser Poland Voivodeship](/public/img/coa/pl.malopolskie.png "Coat of arms of  Lesser Poland Voivodeship")

[Lesser Poland Voivodeship](/in/malopolskie/backend_developer "English jobs in Lesser Poland Voivodeship")

[Kraków on Wikipedia](https://en.wikipedia.org/wiki/Krak%C3%B3w)

![Map of Kraków](/public/img/maps/states/pl.malopolskie.svg "Kraków")

#### backend developer in Cities...

* 1078

  ![Warsaw](/public/img/coa/pl.warszawa.png "Coat of arms of Warsaw")

  [Warsaw](/in/warszawa/backend_developer "English jobs in Warsaw")
* 345

  ![Wrocław](/public/img/coa/pl.wroclaw.png "Coat of arms of Wrocław")

  [Wrocław](/in/wroclaw/backend_developer "English jobs in Wrocław")
* 156

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  [Poznań](/in/poznan/backend_developer "English jobs in Poznań")
* 128

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  [Katowice](/in/katowice/backend_developer "English jobs in Katowice")
* 111

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  [Gdańsk](/in/gdansk/backend_developer "English jobs in Gdańsk")
* 111

  ![Łódź](/public/img/coa/pl.lodz.png "Coat of arms of Łódź")

  [Łódź](/in/lodz/backend_developer "English jobs in Łódź")
* 51

  ![Lublin](/public/img/coa/pl.lublin.png "Coat of arms of Lublin")

  [Lublin](/in/lublin/backend_developer "English jobs in Lublin")
* 41

  ![Szczecin](/public/img/coa/pl.szczecin.png "Coat of arms of Szczecin")

  [Szczecin](/in/szczecin/backend_developer "English jobs in Szczecin")
* 34

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  [Rzeszów](/in/rzeszow/backend_developer "English jobs in Rzeszów")
* 30

  ![Gdynia](/public/img/coa/pl.gdynia.png "Coat of arms of Gdynia")

  [Gdynia](/in/gdynia/backend_developer "English jobs in Gdynia")
* 20

  ![Białystok](/public/img/coa/pl.bialystok.png "Coat of arms of Białystok")

  [Białystok](/in/bialystok/backend_developer "English jobs in Białystok")
* 18

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  [Opole](/in/opole/backend_developer "English jobs in Opole")
* 10

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  [Gliwice](/in/gliwice/backend_developer "English jobs in Gliwice")
* 8

  ![Bydgoszcz](/public/img/coa/pl.bydgoszcz.png "Coat of arms of Bydgoszcz")

  [Bydgoszcz](/in/bydgoszcz/backend_developer "English jobs in Bydgoszcz")
* 5

  ![Kielce](/public/img/coa/pl.kielce.png "Coat of arms of Kielce")

  [Kielce](/in/kielce/backend_developer "English jobs in Kielce")
* 5

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  [Toruń](/in/torun/backend_developer "English jobs in Toruń")
* 2

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* 2

  ![Kalisz](/public/img/coa/pl.kalisz.png "Coat of arms of Kalisz")

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* 1

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* 1

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* 1

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* 1

  ![Zielona Góra](/public/img/coa/pl.zielona-gora.png "Coat of arms of Zielona Góra")

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#### backend developer in Voivodeships...

* 1126

  ![Masovian Voivodeship](/public/img/coa/pl.mazowieckie.png "Coat of arms of Masovian Voivodeship")

  [Masovian Voivodeship](/in/mazowieckie/backend_developer "English jobs in Masovian Voivodeship")
* 778

  ![Lesser Poland Voivodeship](/public/img/coa/pl.malopolskie.png "Coat of arms of Lesser Poland Voivodeship")

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* 350

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  [Lower Silesian Voivodeship](/in/dolnoslaskie/backend_developer "English jobs in Lower Silesian Voivodeship")
* 164

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  [Greater Poland Voivodeship](/in/wielkopolskie/backend_developer "English jobs in Greater Poland Voivodeship")
* 148

  ![Pomeranian Voivodeship](/public/img/coa/pl.pomorskie.png "Coat of arms of Pomeranian Voivodeship")

  [Pomeranian Voivodeship](/in/pomorskie/backend_developer "English jobs in Pomeranian Voivodeship")
* 141

  ![Silesian Voivodeship](/public/img/coa/pl.slaskie.png "Coat of arms of Silesian Voivodeship")

  [Silesian Voivodeship](/in/slaskie/backend_developer "English jobs in Silesian Voivodeship")
* 120

  ![Łódź Voivodeship](/public/img/coa/pl.lodzkie.png "Coat of arms of Łódź Voivodeship")

  [Łódź Voivodeship](/in/lodzkie/backend_developer "English jobs in Łódź Voivodeship")
* 52

  ![Lublin Voivodeship](/public/img/coa/pl.lubelskie.png "Coat of arms of Lublin Voivodeship")

  [Lublin Voivodeship](/in/lubelskie/backend_developer "English jobs in Lublin Voivodeship")
* 41

  ![West Pomeranian Voivodeship](/public/img/coa/pl.zachodniopomorskie.png "Coat of arms of West Pomeranian Voivodeship")

  [West Pomeranian Voivodeship](/in/zachodniopomorskie/backend_developer "English jobs in West Pomeranian Voivodeship")
* 35

  ![Subcarpathian Voivodeship](/public/img/coa/pl.podkarpackie.png "Coat of arms of Subcarpathian Voivodeship")

  [Subcarpathian Voivodeship](/in/podkarpackie/backend_developer "English jobs in Subcarpathian Voivodeship")
* 22

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  [Podlaskie Voivodeship](/in/podlaskie/backend_developer "English jobs in Podlaskie Voivodeship")
* 19

  ![Opole Voivodeship](/public/img/coa/pl.opolskie.png "Coat of arms of Opole Voivodeship")

  [Opole Voivodeship](/in/opolskie/backend_developer "English jobs in Opole Voivodeship")
* 13

  ![Kuyavian-Pomeranian Voivodeship](/public/img/coa/pl.kujawsko-pomorskie.png "Coat of arms of Kuyavian-Pomeranian Voivodeship")

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* 8

  ![Holy Cross Voivodeship](/public/img/coa/pl.swietokrzyskie.png "Coat of arms of Holy Cross Voivodeship")

  [Holy Cross Voivodeship](/in/swietokrzyskie/backend_developer "English jobs in Holy Cross Voivodeship")
* 1

  ![Lubusz Voivodeship](/public/img/coa/pl.lubuskie.png "Coat of arms of Lubusz Voivodeship")

  [Lubusz Voivodeship](/in/lubuskie/backend_developer "English jobs in Lubusz Voivodeship")
* 1

  ![Warmian-Masurian Voivodeship](/public/img/coa/pl.warminsko-mazurskie.png "Coat of arms of Warmian-Masurian Voivodeship")

  [Warmian-Masurian Voivodeship](/in/warminsko-mazurskie/backend_developer "English jobs in Warmian-Masurian Voivodeship")

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