Praca dla senior java backend engineer java 21 spring boot w Warszawa

Diverse CG Sp. z o.o. Sp.k. is seeking a skilled Java Developer in Warsaw, Poland. The role involves designing, developing, and maintaining Java-based applications focused on taxation and complex business processes.Candidates should have strong knowledge of Java and Spring Boot, experience in upgrades and migrations, and proficiency with relational databases...

ING Hubs Poland in Warsaw is seeking a seasoned Backend Engineer to help design and develop robust backend services for Financial Markets. You will work on platforms used by sales teams, traders, and risk managers across global hubs, contributing to the end-to-end trading lifecycle.Candidates have MSc in Computer Science, 5+ years of production-grade...

RubyPlay is seeking a Senior Java Services Engineer to join the Engineering Team. You will work on scalable, low-latency server-side game services using Modern Java (Java 17/21+), collaborating with game designers, product teams, and client developers to deliver high-quality gaming experiences to players worldwide.The role is remote-friendly with a strong...

BEC Financial Technologies in Warszawa is seeking a skilled Java backend engineer to join our Technology Transformation Program. You will design and implement Java-based integrations for core banking services, collaborate with analysts and architects, and contribute to scalable, reliable software in a regulated environment.You will work on RESTful APIs,...

A digital bank is seeking a Java Developer to work on transformational projects within their Banking as a Service model. You will design and implement scalable applications while collaborating with a team. The role involves code reviews, troubleshooting, and mentoring less experienced members. Ideal candidates should have a minimum of 5 years of Java...

Boxinc is seeking a Senior Software Engineer to join the Device Security team in Poland. In this role, you will design and maintain critical software ensuring only trusted devices access our Intelligent Content Management platform. We look for someone with 8+ years of backend development experience, strong knowledge in Java, and expertise in platforms.You...

Inter Cars S.A. poszukuje Full Stack Software Engineera do zespołu rozwijającego platformę e-commerce B2B. Będziesz projektować, rozwijać i utrzymywać nowoczesne rozwiązania backendowe i frontendowe wspierające kluczowe procesy sprzedażowe.Wymagana jest min. 5 lat doświadczenia, znajomość Java 11+ i Spring Boot oraz TypeScript/React, a także...

O projekcie: Poszukujemy doświadczonego Java Backend Engineera do projektu bankowego realizowanego dla międzynarodowej instytucji finansowej z rynku UK. Projekt dotyczy rozwoju kluczowej platformy BaaS, wykorzystywanej przez wielu partnerów zewnętrznych. Jest to środowisko o dużej skali, wysokich wymaganiach jakościowych i realnym wpływie biznesowym....

JavaSpring BootSQLJMSIBM MQSpringHibernateRelational databaseOpenAPIGitCDDesign PatternsObject-oriented programmingAngielski (C1)Proven experience in Java and Spring Boot upgrade projectsStrong proficiency in Java 21 and Spring BootHands-on experience with PostgreSQL and SQLPractical knowledge of messaging technologies such as JMS, MQ or similarStrong...

Luxoft Poland is seeking a senior Java backend engineer for a Regulatory Reporting Platform used by a large US investment bank. You will design, develop, and maintain scalable services and data pipelines across jurisdictions, focusing on data quality and reliable delivery.You will collaborate with global teams, optimize batch processing with Spark, work with...

Vyntra in Warsaw is seeking a Senior Software Developer (Java) to join the Financial Crime Product Development team. You will design and develop backend services in Java within a small, autonomous agile team, building and maintaining an enterprise-grade platform used by global banks to detect fraud and financial crime.You will work with large volumes of...

Threecolts is seeking a Software Engineer to take ownership of features in Inventory Lab, delivering high-quality solutions using C# and Java. You will design, build, and improve scalable services and APIs while collaborating with cross-functional teams.The ideal candidate has 5–8+ years of experience, strong technical skills, and a mindset geared towards...

Wspólnie z naszym Partnerem Biznesowym, wiodącą firmą z branży telekomunikacyjnej, poszukujemy doświadczonego specjalisty do realizacji projektów jako Java Developer. Projekt obejmuje rozwój usług backendowych i integracji w architekturze event-driven, utrzymanie stabilności środowiska produkcyjnego oraz udział w transformacji technologicznej w...

Poszukujemy doświadczonego Backend Java Developera, który dołączy do zespołu odpowiedzialnego za rozwój i utrzymanie kluczowych aplikacji biznesowych. Jeśli masz minimum 4 lata doświadczenia w tworzeniu aplikacji backendowych w Javie, cenisz wysoką jakość kodu i dobrze odnajdujesz się w środowisku Scrum – zapraszamy do aplikowania. Twoje...

Net2Source (N2S) in Warsaw offers a hybrid role (3 days in office) for a Specialist with 5–7 years experience in Java frameworks to design and develop scalable microservices based applications. The position requires Core Java, multi-threading, data structures, Kafka, Kubernetes, AWS, gRPC and ideally banking domain experience.You will lead development of...

WYMAGANE KOMPETENCJE: Silna, potwierdzona komercyjnie znajomość Java 21 oraz Spring Boot 3.x. Samodzielne projektowanie REST API / OpenAPI oraz realizacja integracji między systemami. Praktyczna znajomość Spring Security, OAuth2 i JWT. Doświadczenie w pracy z MongoDB lub inną bazą NoSQL. Dyscyplina testowa: samodzielne tworzenie testów jednostkowych...

About the Project: For our Client, a global leader in the online entertainment industry (iGaming), we are seeking an experienced Engineer to join the team in building the heart of a platform that engages millions of users.This is not a typical "maintenance" project. You will join the User Experience & Loyalty Domain, where technology meets player psychology....

SNI sp. z o.o. in Warsaw, Poland, is seeking a Senior Fullstack Developer to design and build large-scale applications. This role emphasizes backend development with Java/Spring Boot and modern frontend work with SPA frameworks.The position is full-time and hybrid, with 50% of work from the client’s Warsaw office. You will implement microservices, CI/CD...

Detailed description of work task to be carried out The consultant will be responsible for developing, enhancing and maintaining our Java-based applications that handle taxation, account management, and investment processing for our pension and savings products. Key Responsibilities: Design, develop, and maintain Java applications supporting our savings and...

Inetum Polska Sp. z O.o. is seeking a Senior Java Developer with hands-on AI experience to join a team delivering AI-powered solutions in the Consumer Finance domain for banking.You will contribute to modern applications, back-end development, and integration of AI capabilities that generate real business value. The role offers hybrid work across Poland,...