181 freelance English-speaking jobs in Poland

  • Programmers Force
  • Remote
  • August 25
  • remote work
LogoWe are looking for a Senior Backend Developer to join our Optimization Team at Programmers Force. In this role, you will focus on optimizing backend systems for performance, scalability, and efficiency while working on large-scale, high-traffic workloads. Your responsibilities will include refactoring backend code, improving database queries and indexing, troubleshooting bottlenecks, and collaborating with cross-functional teams to scale backend architecture. You will ensure systems remain secure, reliable, and efficient while mentoring junior team members and enhancing test coverage. The ideal candidate has 4+ years of backend development experience with strong expertise in PHP (Laravel), Node.js, Python, MongoDB, and relational databases (MySQL, PostgreSQL). You should also be proficient in API development (REST/GraphQL), performance optimization, Docker, Git, and CI/CD practices. Experience with Redis, RabbitMQ, AWS/Azure, and backend security best practices will be considered a plus.
  • Senovo IT Ltd
  • Poland
  • September 25
an experiencedSAP ABAP Developer(5+ years) to join on aB2B contract/freelance basis. ... Freelance SAP ABAP Developer With OO Programming Experience - Contract, B2B - Start ASAPWe are seeking ... communication skills (written and spoken).Must be based in Poland and available to work on a B2B/freelance ... Independence: Must be able to work autonomously and deliver without supervision.If you are a seasoned freelance
  • Wargaming
  • Warsaw
  • September 20
- Warsaw (freelance) Italian Localization Games Tester - Warsaw (Freelance) French Localization Games ... ) Simplified Chinese Localization Games Tester - Warsaw (Freelance) Polish Localization Games Tester ... Tester - Warsaw (Freelance) Localization Game Tester with Danish, Finnish or Swedish We’re unlocking ... English Content Writer - AI Trainer Traditional Chinese Localization Games Tester - Warsaw (Freelance ... languages) Localization Games Tester with Brazilian Portuguese, European Portuguese or Mexican Spanish Freelance
  • Luxoft Poland
  • Warsaw
  • September 17
Freelance Software Developer (Java) - AI Trainer Development Scientist (Associate Director) Business ... - Business Development Manager Freelance Software Developer (Python) - Quality Assurance (AI Trainer ... Development Manager Poland (d/f/m) Senior Frontend Developer - React / React Native Freelance Software ... ) Freelance Software Developer (C#) - AI Trainer Senior Fullstack Developer (Frontend Oriented) Senior ... Developer (C++) - AI Trainer Freelance Software Developer (Python) - AI Trainer Junior Account Manager
  • Us3 Consulting
  • Warszawa
  • September 27
DeveloperFuPoland - Hybrid is prefered - full remote can be considered within Poland.Contract Type:Long term Freelance ... a plus but not essential.What We Offer:Competitive daily pay ratesFlexible hybrid workingLong term Freelance
  • Smith+Nephew
  • Wroclaw
  • September 22
) Medical Consultant - Freelance KOL / SME for Internal Medicine Medical Consultant - Freelance KOL / ... KOL / SME for Internal Medicine Medical Consultant - Freelance KOL / SME for Neurology (Pain Specialist ... Manufacturing Referrals increase your chances of interviewing at Smith+Nephew by 2x Medical Consultant - Freelance
  • Flying Bisons
  • Warsaw
  • September 14
Freelance IT Project Managers Network We are building a curated network of talented freelance IT Project
  • Mpower Plus
  • Warsaw
  • September 20
Preparing end-user manuals Looking for your next freelance project in SAP? Let’s connect! ... consultant (m/f/x) Job Location: Poland (Full Remote) Contract Duration: 6 to 12+ Months Job type: Freelance
  • ASSEMBLY Digital Commerce
  • Warsaw
  • August 27
Mid/ Senior Presentation Designer Freelance Join to apply for the Mid/ Senior Presentation Designer Freelance
  • edrone
  • Torun
  • September 15
What we need from you: As a Freelance Graphic Designer , your portfolio is a must-see! ... visual trends, understand product design, and want to join a dynamic team, then we have the perfect freelance
  • Ardigen S.A.
  • Krakow
  • September 10
We’re now looking for a part-time Freelance Graphic Designer to help visually communicate our work - ... Requirements Proven experience in graphic design (freelance or agency background welcome) Strong portfolio
  • RWS Group
  • Warsaw
  • September 24
Job Type: Freelance Location: Remote in Poland Work Schedule: Part-time.
  • RWS TrainAI
  • Warsaw
  • September 21
Job Type: Freelance Location: Remote in Poland Work Schedule: Part-time.
  • intent sp. z o.o.
  • Warsaw
  • September 18
About the role This is a B2B/freelance role. ... Practical info: Contract : B2B / freelance Rate : 90 – 150 PLN net / hour (depending on your experience
  • TechTree
  • Poland
  • September 25
Join TechTree as a Talent PartnerWe're building the world's first ecosystem of recruiters enabled by AI — designed to help companies hire smarter, faster, and more fairly. At TechTree, we believe humans + AI = better hiring outcomes.
  • Altamira for freelancers
  • Warszawa
  • September 25
eCommerce, and Pharma.As a fully remote company, we welcome talented individuals seeking hourly-based freelance ... 1hReference CheckOfferIf you're seeking a flexible, welcoming, and professional environment, join our freelance
  • Mindrift
  • Warsaw
  • September 6
enthusiasm to take on a challenge Benefits Take part in a part-time, remote, freelance project that ... Our freelance role is fully remote so, you just need a laptop, internet connection, time available and
  • PwC
  • Lublin
  • September 25
We are looking for: Project Manager (freelance) Your future role: Manage the project effectively and
  • PwC Polska
  • Krakow
  • September 10
Join to apply for the Salesforce DevOps (freelance) role at PwC Polska We help our Clients define their ... We are looking for: Salesforce DevOps (freelance) Your future role: Operate, support and improve the
  • beffio studio
  • Poznan
  • September 25
Overview Concept Artist (Mid/Senior) – Remote/Freelance at Beffio Studio - fully remote role. ... This is a remote, permanent/freelance position offering flexibility to work from anywhere alongside talented
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