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...

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...

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...

Position: Senior Java Software Engineer Salary: up to 26 000 PLN Form of employment: contract of employment Join our client, which makes software to help users organize data, discover the truth, and act on it. Their SaaS product manages large volumes of data and quickly identifies key issues during litigation and internal investigations. The AI-powered communication surveillance product...

W ITLT pomagamy naszym zaprzyjaźnionym firmom przekształcać ambitne pomysły w cyfrową rzeczywistość. Z nastawieniem na wyzwania, ciekawość technologii i zwinność - współtworzymy wyjątkowe rozwiązania IT i zapewniamy najlepszych specjalistów - którzy pomagają przyspieszyć cyfrową transformację. Aktualnie poszukujemy kandydatów na stanowisko: Senior Java QA Automation Engineer (Backend / API)...

A global payments technology leader is seeking a Senior Software Engineer in Warsaw to design, build, and maintain scalable API services. Candidates should be experienced in backend development using Java, RESTful APIs, and CI/CD practices. The role involves working with cross-functional teams, ensuring code quality, and mentoring junior staff. This hybrid position offers the chance to make a...

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...

A software development company in Warsaw is seeking a Senior Software Engineer to enhance and build core platform features. The ideal candidate will have extensive experience with Java 17 and Kotlin, and a strong background in microservices architecture. This full-time role involves taking ownership of the product throughout the development lifecycle, producing clean code, and mentoring junior...

A global entertainment company is seeking a Senior Engineer in Warsaw. You will lead backend initiatives, drive platform integrations, and mentor junior engineers while working with cutting-edge technologies. Ideal candidates will have strong expertise in server-side Java and a commitment to quality. Experience with frontend technologies and data modeling is a plus. Join a diverse team dedicated...

Senior QA Engineer – Poland Simples Machines is a leading independent boutique technology firm with a global presence, including teams in London, Sydney, San Francisco, and New Zealand. We specialise in creating technology solutions at the intersection of data, AI, data engineering, and software engineering. We design and build bespoke data platforms and unique software products, create and...

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...

A leading entertainment service provider is seeking a Senior Engineer for the Java Platform Team in Warsaw, Poland. In this role, you will architect the 'Zero Toil' system, design robust integration frameworks, and champion automation for a seamless developer experience. Ideal candidates will have expertise in the Java ecosystem, strong communication skills, and a commitment to building inclusive...

Join the Java Engineering Team at a top N. American Bank Are you a Java engineer who enjoys working on large scale and high performance software? Do you love working with smart people on meaningful technology? Want to work in capital markets on financial trading systems? If so, read on. The Role at a Glance - Senior Java Backend Engineer - Fully remote for a top N. American bank (for residents...

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...