java senior developer

Jesteśmy częścią międzynarodowej organizacji notowanej na NASDAQ w Sztokholmie, działającej w 11 krajach. W Polsce mamy pełną autonomię. Sami wybieramy technologie, procesy i sposób pracy, zachowując najwyższe standardy.Realizujemy różnorodne projekty IT w Polsce i globalnie, w wielu obszarach i technologiach, co pozwala rozwijać...

Company DescriptionAmelco are a Fast-Growing Technology Company providing trading solutions to three of the UK’s top online gaming companies while delivering market leading sportsbook development including automated, algorithmic sports betting trading solutions. We believe quality, ability and determination are vital ingredients in delivering success at...

The consultant will work as a Senior IT Developer in IMSecurities, developing and modernising backend integration components around the Safekeeping and Corporate Actions platform. The work includes designing, developing, testing, deploying and supporting Java-based microservices and integration components connecting IMSecurities with other client...

Project InfoThe project centers around a high-performance Kotlin application consisting of 7 functional services. It serves as a vital translation layer for JSON/XML web service communications within the global airline content distribution ecosystem. Deployed in a Google Cloud Platform (GCP) environment, the system powers integration and communication for...

Job Description• First and foremost contribute to the development of our products and guide the future evolution of our systems• Apply best development practices• Master and utilize state-of-the-art technologies within our products• Design for today's requirements but at the same time keep in mind future evolution of the systems•Be part...

Dla naszego klienta poszukujemy kandydatów na stanowisko: Senior Java Developer (ASAP)       Start współpracy: Maj 2026 (ASAP).  Projekt: Budowa i transformacja nowoczesnej, uniwersalnej platformy danych dla globalnego serwisu streamingowego. Przebudowa architektury backendowej pod kątem cross-zespołowej analityki, wysokiej wydajności oraz...

  Description Tango is a successful, market leader, a live-streaming Platform with 450+ Million registered users, in an industry projected to reach $240 BILLION in the next couple of years.  The B2C platform, based on the best-quality global video technology, allows millions of talented people around the world to create their own live content, engage...

Company DescriptionAre you ready to take ownership of mission-critical backend systems in a high-load environment? We are looking for a Senior Java Developer to join our engineering team in Warsaw.This is a hybrid role with 3 days per week in the office, giving you the perfect balance between collaboration and flexibility. At Sigma Software, we value...

For our client an IT company specializing in new product development and R&D, focused on solving complex challenges in the tech industry we are looking for a Senior Java Developer based in Poland or Lithuania.Responsibilities Feature development — design, implement, and integrate new functionality using Java 17–21 and the Spring ecosystem; participate...

*Please note: we are only able to consider candidates who already have the right to work in Poland. Visa sponsorship is not available for this role.* Every day, billions of transactions move through the global banking system. Fraud hides in that data. So do compliance risks, operational failures, and patterns most systems never surface. At Vyntra, we build...

Who we are:Charles River Development (CRD) is the FinTech division of State Street. Together with State Street’s Middle and Back-office services, Charles River’s cloud-based Front Office technology forms the foundation of the State Street Alpha Platform, the first front-to-back solution in the industry.Our vision is to be the world’s leading...

Wynagrodzenie: 1200 - 1300 PLN/MD B2B Model pracy: hybrydowy (4 wizyty w biurze w Warszawie/miesiąc)   Dlaczego warto wybrać tę ofertę? Będziesz częścią projektu jednego z czołowych banków w Polsce Dołączysz do organizacji, która nastawiona jest na podążanie za nowymi technologiami pojawiającymi się na rynku Przed Tobą praca...

We are looking for a Senior Java Developer to manage the software development life cycle, from planning and prioritizing to testing and release. Senior Java Developer responsibilities include gathering system and user requirements, building Java modules and testing features before release. If you have hands-on experience developing software with agile...

Job descriptionAbout us: We are looking for a Senior Java Developer to be a part of the DEVTALENTS team and contribute to the development of truly amazing solutions for businesses all over the world.Joining DEVTALENTS can be a life-changing decision for you, with endless benefits along the way. We provide top projects for which recruitment is not possible...

At BBH, Partnership is more than a form of ownership—it’s our approach to business and relationships.  We know that supporting your professional and personal goals is the best way to help our clients and advance our business. We take that responsibility seriously. With a 200-year legacy and a shared passion for what’s next, this is the right place to...

Senior Java Developer Twój zakres zadań: Jednym z naszym produktów jest Kafeteria MyBenefit – platforma internetowa wspierająca działy HR w zarządzaniu świadczeniami pozapłacowymi. W codziennej pracy usprawniamy i ulepszamy nasz produkt, aby jak najlepiej odpowiedzieć na potrzeby rynku Będziesz tworzyć nowe funkcjonalności oraz rozwijać już...

ComeOn Group in short Founded in 2008, ComeOn Group is a leading global player in the rapidly growing iGaming market. Having launched its first online brand in 2010, ComeOn Group is running a wide range of exciting brands across multiple markets. Operating more than 20 brands on its proprietary platform providing a secure, innovative and entertainment-led...

Cantor Fitzgerald is seeking a highly skilled JAVA Developer to join the Trading Systems development team. The role involves developing modules of high frequency trading platform and matching engine.Key Responsibilities:Design, develop, and maintain server-side Java applications for trading platforms.Implement robust, scalable solutions using Spring...

As a recruitment company, DCG understands that every business is powered by experienced professionals. Our management style and partnership approach enable us to meet your needs and provide continuous support. Due to our ongoing growth and the large number of recruitment projects we undertake for our partners, we are currently looking...

Requirements: minimum 7 years of experience in Java programming, very good understanding of multithreading concepts, communication skills and ability to effectively work in a team, knowledge and practical application of Clean Code principles, familiarity with Java, Kafka, gRPC, REST, WebSockets higher education (in IT-related fields or related), fluent in...