Praca senior java engineer pow. Warszawa, Mazowieckie

Poszukujemy osoby doświadczonej w roli Senior Java Developer (7y) / Software Engineer , która dołączy do zespołów realizujących nowoczesne, skalowalne rozwiązania. Zakres obowiązków Projektowanie, architektura oraz wdrażanie nowoczesnych rozwiązań backendowych Dobór i implementacja narzędzi, frameworków oraz wzorców architektonicznych Budowanie skalowalnych i niezawodnych systemów rozproszonych...

Join the Java Engineering Team at a top N. American Bank This isn’t just another dev role. It’s your chance to engineer the core of global trading. We’re talking ultra-low-latency architectures, real-time market data, and automation at scale — all in an environment where milliseconds matter and billions move. You’ll work on greenfield and semi-greenfield projects, building dealer-side workflows...

Wspólnie z naszym Partnerem, krajowym liderem w branży e-commerce, poszukujemy osoby na stanowisko Senior Platform Software Engineer (Java/Kotlin). Dołączysz do zespołu odpowiedzialnego za rozwój platformy Azure, która napędza kluczowe produkty z obszaru fintech. Będziesz odpowiedzialny/a za rozwój i utrzymanie narzędzi deweloperskich, optymalizację działania aplikacji na Kubernetes oraz...

Offer summary Position: Senior Software Engineer (Java, Typescript, AWS) Employment type: permanent contract of employment or b2b contract (after 3-month trial period) Salary gross (CoE): 18 000 – 25 000 PLN Salary net (B2B): 20 000 – 29 000 PLN Possible work locations: remote or from our office in WeWork Mennica Tower (ul. Prosta 20, Warszawa – city centre) HL Tech size: 65 people in Poland –...

About TPConnects TPConnects is a leading travel technology company revolutionizing airline retailing and distribution. As an IATA-certified technology provider, we empower airlines and travel agencies with cutting-edge New Distribution Capability (NDC), enabling seamless booking experiences and dynamic personalization. Our innovative platform bridges the gap between airlines, travel sellers, and...

Company Description Visa’s Technology Organization is a community of problem solvers and innovators reshaping the future of commerce. We operate the world’s most sophisticated processing networks capable of handling more than 65k secure transactions a second across 80M merchants, 15k Financial Institutions, and billions of everyday people. While working with us you’ll get to work on complex...

A leading technology firm in Szczecin is seeking a Mid-Senior level Senior Java Software Engineer to modernize critical financial services using AI-driven engineering. The role involves refactoring legacy systems, implementing modern architecture patterns, and delivering production-ready services. Candidates should have at least 7 years of experience in Java and AI tools. The position is...

A technology firm is seeking a Senior Software Engineer to join their team in Warsaw. The role involves developing and deploying scalable microservices, with a strong focus on Java, Typescript, and AWS technologies. Candidates should have solid proficiency in both English and Polish and be comfortable in a cloud-native environment. The company offers a flexible remote work policy, a commitment to...

An established industry player in travel technology is seeking a Senior Software Engineer to join their new Warsaw office. This role offers the opportunity to work on a cutting-edge SaaS Cloud-based platform, focusing on enhancing functionalities and optimizing system performance. The ideal candidate will thrive in a collaborative environment, bringing strong Java expertise and a passion for...

A leading technology company in Poland is seeking a Senior QA Automation Engineer to design and implement robust automation frameworks. Key responsibilities include collaborating with developers, managing CI/CD pipelines, and ensuring high-quality software delivery. The ideal candidate will have 4-5 years of experience in Java-based test automation and strong skills in Selenium, JUnit, and CI/CD...

Overview Join to apply for the Senior Fullstack Java Software Engineer role at IT Jobs Plus . Role Description As a FullStack Software Engineer, you'll be working on developing and maintaining our client's cutting-edge software products. You'll be knee-deep in code, working on both the front and back end of our systems. You'll be responsible for creating and implementing system software, and...

A US-based international software company is seeking a Senior Software Engineer (Java) to develop high-performance back-end code for microservices and APIs. The role requires over 6 years of experience in software development, particularly with Java, Spring Boot, and RESTful APIs. Familiarity with event-driven architectures and databases like PostgreSQL and Redis is essential. This full-time...

Senior Software Engineer (Java) Miejsce pracy: Warszawa Technologies we use Expected - Java - Golang - RDBMS - Kafka - Redis About the project Visa’s Technology Organization is a community of problem solvers and innovators reshaping the future of commerce. We operate the world’s most sophisticated processing networks capable of handling more than 65k secure transactions a second across 80M...

Senior Fullstack Engineer (React & Java) Miejsce pracy: Warszawa Technologies we use Expected - Java - React.js - Kafka - JPA - Spring Boot Optional - Angular - Selenium - Maven - Cucumber.js About the project We are starting a greenfield application, developed from scratch in close collaboration with a dedicated business team. The project is built in an Agile environment, with strong...

At Mindbox we connect top IT talents with technology projects for leading enterprises across Europe. Join a team that’s redefining the future of banking! We’re looking for a Backend Engineer passionate about building innovative solutions using cutting-edge technologies. We are on a mission to become the leading Banking-as-a-Service (BaaS) provider in the UK. Our solutions are powered by...

Company Description SmartRecruiters transforms hiring for the world’s leading enterprises. We deliver an AI-powered hiring platform built for global scale, automating and optimizing the entire talent acquisition process. More than 4,000 companies, including LinkedIn, McDonald's, VISA, CD Projekt Red, Allegro rely on SmartRecruiters to build winning teams. In 2025, SmartRecruiters joined SAP, the...

A leading investment bank is looking for a Senior Java Developer to join their dynamic team in Warsaw. The role involves building high-impact and secure solutions while collaborating with international teams. Candidates should have extensive experience in Java backend development and strong skills in frameworks like Spring and Hibernate. This position offers a hybrid work model, a competitive...

A global technology consulting firm is looking for an experienced Senior Java Developer to drive the design and implementation of complex features. The ideal candidate will have 7+ years of experience in Java 11+, proficiency in Spring Boot, and familiarity with micro-services architecture. This position offers a hybrid working mode, extensive training opportunities, and comprehensive private...

A leading software development company in Poland is seeking a senior Java developer with extensive experience in high-availability systems. You will design, develop, and maintain software while ensuring high quality throughout the lifecycle. The role requires expertise in Java, multi-threaded programming, and REST protocols. A master's degree in computer science and fluency in Polish are...

Join to apply for the Senior Software Engineer (Java) role at Lineate . About Lineate Lineate is a US‑based international software development company with over two decades of experience. From Intelligent Document Processing (IDP) and Agentic RAG systems to scalable cloud architectures, we turn complex ideas into real, measurable results. We deliver AI‑driven custom solutions for FinTech,...