3092 backend developer English-speaking jobs in Warsaw

The role is focused on manual functional and integration testing of backend services and processing flows ... This is you 3+ years of experience as a QA Engineer (manual testing of backend/integration systems and ... This is the job Within a regulated, data-driven backend context, we are actively seeking a Quality Assurance ... This is your role Perform manual functional and integration testing of backend services and processing

Focus on high-level backend process testing (no UI testing). ... Analyze backend processes and their impact on the system. Execute tests and report results. ... We are currently expanding backend test coverage and integrating tests with mobile devices (Android). ... Project Overview Join a team responsible for ensuring the quality of backend processes related to mobile

We are currently expanding backend test coverage and integrating tests with mobile devices (Android). ... and test cases.Perform functional testing, including on Android mobile devices.Focus on high-level backend ... to clarify requirements and resolve issues.Support developers in quality-related activities.Analyze backend ... independently in a small, agile team.Project Overview:Join a team responsible for ensuring the quality of backend

Curious about backend, DevOps, or mobile? ... Partner closely with Product, Design, Backend, Infrastructure, and Mobile engineers to take features ... - Type-safe GraphQL Phoenix - Real-time WebSocket channels WebSocket & Server-Sent Events support Backend ... Lottie - Animations State Management & Data Fetching Redux with Redux Actions URQL - GraphQL client Backend

application testing, including Web, Desktop, iOS and Android platformsAt least 6 years of experience in backend

Our backend is powered by Node.js (Koa, NestJS) and MongoDB. ... You have at least 5 years of experience as a Fullstack Developer.

We are looking for a versatile Mid‑Senior Developer to build and maintain security monitoring tools and ... experience Strong proficiency in Python or Golang (both is a plus) Full‑stack mindset — comfortable with backend

developer in C#/.NET environmentSolid experience with client/server development or similar architecturesCapability ... year.QualificationsBSc or MSc in software engineering or computer science5+ years of proven track record as a strong backend

executing the technical roadmap, delivering robust, high-performing solutions across both frontend and backend ... high-performance, user-friendly web experiences using modern frontend technologies.Develop and maintain scalable backend ... discussions, architecture reviews, and design documentation.Drive the evolution of microservices and backend-for-frontend

with experience in React-Typescript Experience with large distributed systems and AI workflows The Developer ... SDLC ENGINEERING: We strive for our tooling to improve product quality, developer productivity, and increase ... You will be working at the heart of the developer experience, ensuring the code that is written by thousands ... Experience and Preferred Skills: Around 5-10 years of experience in the following: Front-end/Full-stack developer ... Journey Strategy focuses on investing in the developer experience to minimize friction, promote standardization

Strong understanding of developer workflows and pain points . ... Job Description We are looking for a Senior Platform Engineer (Developer Experience) to establish and ... Qualifications Proven experience in DevOps, Platform Engineering, or Developer Productivity roles . ... Demonstrate improvements in lead time for changes, deployment frequency, and/or developer satisfaction ... standardise engineering practices, improve developer workflows, and set standards for CI/CD and collaboration

platforms.Background in Software Engineering, SRE or infrastructure engineering, with a strong developer ... and deployments, without owning release decisions.Change Management & AdoptionIdentify friction in developer ... monitoring uptake.Establish feedback loops to validate impact (e.g., reduced build times, improved developer ... CI/CD platforms (e.g., GitHub Actions, GitLab CI, CircleCI).Strong background in SDLC practices and developer ... Prometheus, or similar).Experience managing or improving monorepo build systems.Strong ability to measure developer

Experience: Proven experience as a Frontend Developer or in a similar role. ... Join our team as a Frontend Developer and help us deliver exceptional digital experiences. ... Join our team as a Frontend Developer and help us deliver exceptional digital experiences. ... #LI-Hybrid As a Frontend Developer, you will be responsible for designing, developing, and implementing ... #LI-Hybrid As a Frontend Developer, you will be responsible for designing, developing, and implementing

, and the Technical Project Manager.ResponsibilitiesOwn the end-to-end QA strategy across frontend, backend ... compliance-driven QAExperience with regulated markets (iGaming strongly preferred)Solid understanding of backend

for candidates for the position of Senior PL/SQL Developer (M/K). ... Senior PL/SQL Developer (M/K) Miejsce pracy: WarszawaRecruitment for For our client we are looking ... The position is hands-on and suited for an experienced Oracle / PL/SQL / SQL developer who enjoys complex ... clarifying and qualifying business and technical requirements Participate in internal and external developer

Experience (DevEx) team and take full ownership of internal developer tools. ... In this role, you will focus on building and evolving tooling that improves developer productivity, reduces ... our ever-growing talented team.We are looking for a mid-level or senior Software Engineer to join our Developer ... practical, high-impact solutions.ResponsibilitiesOwn the design, development, and maintenance of internal developer ... bottlenecks and opportunities for automation.Build scalable, reliable, and easy-to-use tooling that improves developer

Experience (DevEx) team and take full ownership of internal developer tools. ... In this role, you will focus on building and evolving tooling that improves developer productivity, reduces ... our ever-growing talented team.We are looking for a mid-level or senior Software Engineer to join our Developer ... mindset.Fluent English (B2+).Nice to have:Experience with Java.Experience building internal tools, developer ... practical, high-impact solutions.Responsibilities:Own the design, development, and maintenance of internal developer

OR Mazowieckie, Poland(Hybrid)Job Type:12 months ContractJob Description:Software Engineer (Cloud / Backend

Job Description:·   Software Engineer (Cloud / Backend)Skills:Java, Go, Python, microservices, GCP SDKs

the financial industry, international team.Project / RoleLead and mentor technical teams (Frontend, Backend