905 backend developer English-speaking jobs in Warsaw

What you’ll do Design, develop, and maintain scalable, high-performance C#/.NET Core APIs and backend ... Bachelor’s degree in computer science, engineering, or a related field. 10+ years of experience in backend

stack is practical and modern: React + TypeScript + Next.js on the frontend, Python/Django/DRF on the backend ... stack is practical and modern: React + TypeScript + Next.js on the frontend, Python/Django/DRF on the backend ... You'll be expected to use AI tools daily, both as a developer and as someone building AI-powered features ... Must-have At least 3 years of experience as a full-stack developer Strong knowledge of React, Python ... You'll be expected to use AI tools daily, both as a developer and as someone building AI-powered features

experience in building cloud-based backend solutions. ... We are looking for an experienced Senior Backend Engineer (Python/Go, AWS) with at least 5 years of commercial ... Scope of responsibilities Design and development of the backend layer for the Voice AI platform running ... Integrating the backend with the AI/LLM layer on AWS and collaborating with product and AI teams. ... Requirements Minimum of 5 years of commercial experience as a backend engineer / software engineer.

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

systems.Knowledge of event-driven architectures (Kafka).~2+ years of experience in product engineering, developer ... We're seeking an exceptional Backend Engineer to join our cross-functional product team in Warsaw.What ... , point-of-sale, marketing, and more, while connecting consumers to local services.Your Impact as a Backend

Project description Role We are seeking a data-focused developer to join our technology team and contribute ... driven APIs, external services, and third party content providers.You will collaborate closely with backend

digital document services landscape Work closely with Solution architects, DDM Lead Architect, Lead developer ... Review development processes and low‑level design documentation in collaboration with the DocES Lead Developer ... enterprise security architecture principles Serve as the bridge between DocES and the Digital Core Backend ... components as they evolve Maintain up‑to‑date system design documentation for new and enhanced DocES backend ... relevant SDKs and architectural dependencies Mentor the DocES development team to ensure adherence to backend

Fullstack Gen AI Developer At Capgemini Invent, we believe difference drives change. ... Develop and maintain both frontend interfaces (React, Next.js, etc.) and backend systems (Python, Node.js ... Integrate foundation models and APIs (OpenAI, Anthropic, Hugging Face, Stability, etc.) into robust backend ... AI‑powered web applications. 2+ years of experience in software development, covering both frontend and backend

good knowledge of Java.Experience with Spring Boot, Spring Cloud, JPA, and SQL.Good understanding of backend ... Senior Java Developer (K/M) – Warszawa, PolandResponsibilitiesDesigning and developing efficient, scalable ... delivered solutions and a proactive approach to problem‑solving.Nice to HaveExperience as a Tech Lead, Lead Developer

Strong code review culture and ability to collaborate with backend and design counterparts. ... Build the developer experience around the schema: typed clients, runtime validation, mocks, contract ... Experience writing partner- or developer-facing technical content (HOWTOs, integration guides, release

Strong code review culture and ability to collaborate with backend and design counterparts. ... Build the developer experience around the schema: typed clients, runtime validation, mocks, contract ... This is your chance to be at the forefront of automotive innovation, building the developer and partner ... Experience writing partner or developer‑facing technical content (HOWTOs, integration guides, release

You will build and maintain a robust, self‑service developer platform and shared core services that embrace ... Deep proficiency in TypeScript and JavaScript; strong working knowledge of Java or Kotlin for backend ... Write high‑quality, well‑tested code in TypeScript/JavaScript for frontend work and in Java/Kotlin for backend

servicesWork with backend engineers on API integration and online feature reliabilityEnsure compliance ... multiplayer systemsExperience with console development and certification requirementsExperience with backend ... extend cross-platform online featuresBuild and maintain communication layers between the game client and backend ... live online issues across multiple platformsContribute to architectural decisions regarding online and backend-connected

Responsibilities Required qualifications: Minimum 5 years of backend development experience, preferably ... , .NET Core, Entity Framework Core Building and optimizing high-load, high-performance, data-driven backend ... within the hedge fund or financial services industry Strong passion for backend architecture and application

Collaboration within an interdisciplinary, self-sufficient team including: DevOps (ensuring a great Developer ... Experience), database experts, backend developers, product designers, and QA engineers;Hardware and ... engineering productivity.ResponsibilitiesLead, mentor, and grow a team of talented Frontend/Full Stack and Backend ... stakeholders from Ads layouts creation teams (designers, graphic specialists), and the core Bidding Platform backend

Participate in code reviews, technical design discussions, and operational improvements to ensure high developer ... mechanisms.Key ResponsibilitiesFeature Development and Ownership: Implement and own the lifecycle of backend ... data using natural language.The Scope of WorkAs an engineer on our team, your tasks will span standard backend ... deployment culture.What We Are Looking ForCore Software Engineering: Solid foundational knowledge of backend

MSGraph KendoUI Bootstrap Svelte about-project : We are looking for a skilled and experienced .NET developer ... requirements-expected : Minimum 5 years experience in developing web applications in C# and .NET Framework Backend

At least 3 years of backend development experience with Java (Spring Boot). ... On behalf of AdTech Client #1, SD Solutions is looking for a talented Full-Stack Developer with a focus

We are currently looking for a Senior FullStack .NET Developer for our client—a fast-growing US-based ... Requirements Backend Expertise: 5+ years of experience in .NET (.NET 6/8+) and C#. ... You will bridge the gap between robust, high-scale backend services and modern, highly interactive user

Currently we are looking for a Frontend Developer. ... Demonstrated ability to collaborate effectively with backend engineers, Product Managers, and UX/UI designers