1001 developer English-speaking jobs in Masovian Voivodeship

and maintain reusable, production-ready React componentsImprove component APIs, theming, styling, and developer

Java Developer for Data Protection. Participate in product architecture, implement functionality, and solve technical problems. Requires 3+ years developing Java applications, knowledge of Core Java, Spring, and REST services. English proficiency is required.

About the role Join Veeam as a C# Developer and help shape the backend of Veeam Backup for Hypervisors

will bring you a nice time during regular integration meetingsProjectWe are looking for a Frontend Developer

Senior Software Developer - BigData and Quantitative Developers Warsaw, Poland Employment: B2B/Freelance

The role is about:We are looking for a Senior Python Backend Developer (Services) to join our engineering

Sr. .Net Developer to build and integrate applications with SaaS enterprise software. Requires 5+ years in software engineering with expertise in C#/.Net, SQL, and REST. Must have full-stack experience and knowledge of API integration.

Develop C#/.NET backend infrastructure for video indexing and auto-tagging sports events using algorithm signals. Requires 5+ years of .NET experience, Azure knowledge, and strong problem-solving skills.

Java Developer for Savings and Investments. Design, develop, and maintain Java applications for savings and investment products. Requires strong Java 21+ skills, Spring, Hibernate, SQL, and experience with the full SDLC.

Full Stack Developer for banking IT services. Develop and maintain microservices applications using Java/Spring Boot and Angular. Requires strong knowledge of TypeScript, Angular 19+, Java 17+, and Apache Kafka.

Expert Java Developer needed to build and maintain Java-based microservices within the embedded banking service domain. Requires 6+ years of Java experience, proficiency in Spring Framework/Boot, and experience with PostgreSQL/Db2.

Lead technical delivery of Guidewire PolicyCenter solutions, including rating and REST API integrations. This role requires 6+ years of experience, strong OOP knowledge, and Agile/Scrum expertise.

Senior Java Developer joins an Agile team to design and deliver software solutions. Requires 4-5 years of Java experience with Spring Boot, Kafka, and Oracle Database.

will bring you a nice time duringregular integration meetings Project We are looking for a Frontend Developer

Your role As a Senior Java Developer, you will design, develop, and maintain integrations and tailor‑made ... Bachelor’s or Master’s degree in IT, Computer Science, or similar Strong experience as a Senior Java Developer

Golang Developer for FinTech and Crypto products. Design and develop applications, ensuring technical quality and performance optimization. Requires 2+ years of Go experience and backend development background.

Familiarity with AI Assisted Development tools and practices;Proven experience working as a Senior .NET Developer

ecology remains scalable and ready for future expansions.Требования:6+ Years of experience as a back-end developer

Build and maintain data pipelines using Python, Databricks, and AWS. Develop and deploy AI/ML models and LLM workflows, shipping full stack applications for AI insights. Requires Python proficiency, AWS experience, and knowledge of modern web frameworks.

.NET Developer for enterprise systems. Build applications and integrations with SaaS software, participate in core system design, and modernize features. Requires 5+ years in C#/.Net, SQL, and REST, with full-stack and API integration expertise.