java senior developer

DescriptionComeOn Group in shortFounded 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...

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...

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...

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...

Senior Software Engineer - Security Platform (Java / GCP) 📍 Kraków (hybrydowo - 6 dni/miesiąc w biurze) O roli Do zespołu naszego Klienta poszukujemy doświadczonego Senior Software Engineera, który pomoże nam rozwijać nowoczesną platformę bezpieczeństwa opartą o rozwiązania chmurowe i open source. Twoja rola Tworzenie i wdrażanie wysokiej...

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.* Senior Software Developer / Java Hybrid working, based in our Warsaw office, 2 days per week on site Vyntra builds software that helps banks and financial institutions detect fraud, prevent money laundering,...

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...

Salary: 900-1200 PLN/day on B2B Work model: hybrid from Gdańsk / Warszawa / Łódź (2/3 days per week from the office)   Why choose this offer? You can expect a flexible work organization The international work environment will give you the opportunity to interact with the English language on a daily basis Scandinavian organizational culture will...

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...

You will join a long-term, enterprise-scale project for a global client in the investment banking domain. The project focuses on building and evolving a set of mission-critical backend services that support complex business workflows, regulatory processes, and system integrations across the bank’s ecosystem.The platform is based on a distributed...

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...

YOU WILL Design and develop modern payment processing solutions based on microservices architecture Build and maintain high-quality backend services (Java + APIs) with strong focus on performance and scalability Create and own architectural artefacts (LLD, data models, gap analysis) Ensure high availability, resiliency, and reliability of systems Contribute...

We are seeking a Senior Java Developer passionate about delivering new and exciting applications to support Rates and Credit sales and trading desks on a high-end microservice platform. The platform intends to replace existing client-facing applications and uses state-of-the-art technologies (Microservices, Java 11+, React, JS/TS & HTML5, Spring Boot) and...