82 Backend Engineer Jobs in Warsaw, Poland

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• Working closely with Product Owners, Architects, QA engineers, and fellow developers, you will contribute to the successful delivery of new…
• Following competences are needed: Business fluency in both written and spoken English is a must University degree in computer science,…

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• 💡 Your Mission As a Backend Engineer part of our US/UK squad based in our Warsaw, Poland HUB , you’ll…
• 🤝 Your Skillset – What you bring to the table Several years of experience in backend development and API integration…

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• What You'll Bring 7+ years of experience as a Backend or Full Stack Engineer.
• Full stack experience (React, frontend development) — a nice to have.

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• Our Engineering teams are seeking Senior Backend Engineers (f/m/d) for a variety teams in Warsaw.
• About you We think you’ll need the following experience and qualifications to succeed in this role: Proven experience as a…

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• Our Engineering teams are seeking Mid-level Backend Engineers (f/m/d) for a variety of different teams in Warsaw.
• About you We think you’ll need the following experience and qualifications to succeed in this role: Proven experience as a…

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• Backend Engineering: A minimum of 3 years of hands-on experience in building and deploying scalable backend services.
• Backend Ownership: Design, develop, and deploy high-performance, scalable backend services and APIs in the Loyalty and Rewards domain.

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• Actively engage in technical and architectural decisions, refining processes, and contributing to the overall strategic direction of the pr…
• From product and engineering to sales, marketing, and data — our teams work closely together to deliver secure, scalable solutions…

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• Backend Engineering: A minimum of 3 years of hands-on experience in building and deploying scalable backend services.
• Backend Ownership: Design, develop, and deploy high-performance, scalable backend services and APIs in the Loyalty and Rewards domain.

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• About the Role You will join the Customer Data Platform team as a senior individual contributor, working from our Warsaw…
• Drive integration work across team boundaries: negotiate technical contracts with other Piano engineering teams and coordinate rollouts spa…

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• Technical/Product/Design leadership: Drive best practices and influence architecture/design, quality, and ways of working in an autonomous,…
• Work extensively with Docker, container orchestration via Kubernetes, and CI/CD automated deployment pipelines.

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• Experience working with any of the following backend languages: PHP, Python, C#/.NET, Java, Kotlin System design is nothing new to…
• Core Requirements Over 4 years of experience in backend development.

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• Architect and enhance backend systems for high availability, reliability, and performance.
• Identify, use and evangelize appropriate artificial intelligence (AI) tools and practices across the software development lifecycle (SDLC)…

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• Participate in technical design and implementation of authentication and identity solutions.
• Collaborate with engineers, product managers, security engineers, and partner teams to deliver secure platform capabilities.

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• Develop and maintain backend systems and game logic - Build and optimize game simulations - Collaborate with game designers and…
• What You Will Do As a Backend Software Engineer, you will develop and optimize server-side game logic and simulations for…

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• As a Full Stack Engineer with a backend focus, you will primarily work on backend services and cloud-based solutions while…
• Requirements Strong experience in full stack development with a backend focus.

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• We're committed to your growth from mid-level to senior engineer Your skills and experience 4+ years of experience with Node.js,…
• In this role, you'll collaborate closely with frontend developers, product managers, and other engineers to drive the engine of our…

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• Position Summary: We are searching for a Senior Software Engineer based in Poland to design, build, and maintain high-volume, event-driven…
• In this role, you will lead architectural decisions, optimize relational databases, contribute end-to-end across Python and React/TypeScrip…

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• We are searching for a Senior Software Engineer based in Poland to design, build, and maintain high-volume, event-driven back-end services…
• IT Recruitment Poland | Executive Search | Recruitment Process Outsourcing.

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• Ensure the reliability and scalability of the solutions built Create performance and correctness tests for new system components Analyse ne…
• Selected Technologies: Java, Python Aerospike, Memcached Google Cloud Platform, BigQuery, MinIO Kafka, Clickhouse PostgreSQL Elasticsearch…

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• Allegro's Delivery Experience area is searching for a dynamic Engineering Manager to lead our backend team.
• Managing, mentoring, and supporting a focused backend engineering team, guiding them smoothly through a major technology stack transition.

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• Experience building and orchestrating data pipelines, ideally with Airflow.
• Your Tasks Data pipelines: design, build and maintain ingestion and transformation pipelines (orchestrated with Airflow) that bring interna…

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• While the primary focus is backend engineering, you'll also contribute to React and TypeScript front-end development when needed, collabora…
• Strong backend development skills with Node.js and TypeScript , complemented by the ability to build customer-facing applications using Rea…

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• Who You Are At least five years building backend systems that run in production, and at least two of them…
• Backend depth without production retrieval won't be enough for this role, but our Senior Backend Engineer role might be the…

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• Requirements Experience: 2+ years of commercial full-stack development experience.
• Frontend: Proficiency in JavaScript and modern frontend frameworks (e.g., Angular ).

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• Also, feel free to check out why: Business Insider named us an “enterprise startup to bet your career on” Forbes’…
• 7+ years of experience developing, shipping and maintaining Rails applications.