senior java engineer

Capco Poland is seeking an experienced Senior Java Developer to design, develop, and enhance enterprise-grade applications. You’ll work on Core Java, Spring Boot, Microservices, REST APIs, and database technologies, collaborating with analysts, architects, and teams across the business.Join a hybrid, B2B project-based engagement and help ensure scalable,...

State Street's CRD team is seeking a Java Developer to enhance and maintain Alpha/Charles River modules within an agile Scrum team. You will work on large, complex software enhancements, collaborating with BAs and PMs to deliver scalable solutions.The role requires strong Java, Spring, SQL, and backend tech experience, with exposure to Kafka and...

Jefferson Frank w Warszawie poszukuje Senior Java Engineera do 7-osobowego zespołu budującego platformę przetwarzającą miliardy transakcji. Praca w modelu hybrydowym: 3 dni w biurze, 2 dni zdalnie.Zakres obejmuje projektowanie i rozwój aplikacji Java, tworzenie skalowalnych systemów, integracje AI/GenAI oraz pracę nad architekturą danych. Wymagania:...

ComeOn Group in Katowice seeks a Senior Java Developer to join our hybrid team, building and maintaining scalable services and integrations across the platform. You will work with backend components and may contribute to frontend work for mobile and desktop environments.We leverage Java, Kafka, Docker, MongoDB, MySQL, React, Springboot, and Kubernetes,...

OPTIVEUM sp. z o.o. is seeking a Senior Java Developer in Poland for hybrid work (Warsaw, Gdańsk, or Gdynia). You will design, implement, and maintain Java applications for tax, accounts, and investment processing on pension products.Strong Java 21 skills with Spring Boot, Hibernate, and PostgreSQL are required, along with JMS/MQ, OpenAPI/AsyncAPI, Git, and...

DCG in Kraków offers a hybrid position focused on building and testing components of the Transfer Agency Investor Onboarding system. The role collaborates with analysts, developers and testers to deliver solutions that meet business needs across multiple teams and locations.The candidate should bring strong Java experience, knowledge of Spring MVC/Spring...

ComeOn Group is seeking a Java developer to join our hybrid team in Katowice (Poland) or Stockholm. You will work on building the gambling site, integrating with external systems, and developing internal components.You will read long-standing code and help modernize it in risk-aware increments, collaborating with a cross-functional team including Devs, QAs,...

Inetum Polska is seeking a Senior Java Developer to join a dedicated team responsible for building and maintaining critical banking applications in a modern tech environment. You will work in a self-organizing Scrum team, focusing on secure, reliable software and clean code.The role involves collaboration with Business Analysts and QA, testing, and...

Salve.Lab is seeking a Senior Java Engineer to provide technical leadership while designing, building and shipping production code. You will work across multiple back-end services in a cloud-native, distributed system environment, mainly using Java with Python involvement.You will collaborate with Product Owners, DevOps engineers and other teams to translate...

Cosmose AI is seeking a strong Mid or Senior Java Engineer to scale the backend of our KaiKai Lock Screen and CMS, processing content for millions of users daily. You will design and maintain backend services, build scalable data pipelines, and collaborate with Product, Content, and Data teams to deliver meaningful features.We value ownership, proactive...

RE Partners Consulting is seeking a Senior Java Engineer in Warszawa to design and optimize low-latency, high-throughput backend systems in the payments domain. You will develop RESTful microservices, integrate with MongoDB, and deploy on OpenShift and AWS, while mentoring peers and driving architectural improvements.The role requires 10+ years in Java,...

Kyriba Corp. is seeking a Senior Software Engineer to join their Payment Advanced Routing Team in Warsaw, Poland. The role focuses on building the payments processing core of their SaaS solution.Qualifications include 12+ years of Java development experience and a strong understanding of microservice architectures. The position offers a permanent contract...

The Sports Data & Odds Engineering organization is responsible for developing, delivering, and operating a broad portfolio of products that power Sportradar's global sports data and betting ecosystem - processing millions of real-time events every day for media companies, sports federations, betting operators, and consumer apps across 120 countries. Working...

Branchspace works with major travel brands, including airlines, to design and deliver world-class digital applications. We are a fast-growing team with our head office in central London and the main engineering center in Krakow. We have significant experience providing digital innovation and consulting services to travel brands and tech vendors. We are...

Luxoft in Wroclaw, Poland, seeks a Senior Java Software Engineer to deliver value through Java server-side development, multi-threaded systems, and scalable distributed architectures within FX trading applications. You will work in an agile setup, collaborating with teams to evolve platforms and drive architectural decisions.You will contribute to cloud...

RE Partners is seeking a Senior Java Engineer to design, develop and enhance a Master Data Platform that serves as the source for maintaining key demographic data and robust data management across customers and related entities.You will contribute to scalable backend services, ensure data accuracy and system integrity, and tackle complex integration...

EPAM Systems in Kraków is seeking a Senior Java Developer to build new applications for Rates and Credit sales on a modern microservice platform. You will work in a scrum team delivering backend services with Java 11+, Spring Boot, and accompanying frontend tech while embracing cloud and scalability.The role emphasizes high-quality code, collaboration with...

DCG Poland is seeking a skilled developer to design and maintain Java-based applications for taxation and investment management in Poland. The role involves leading upgrades to Java 17+ and Spring Boot 3.x, working through the full software development lifecycle, and collaborating with stakeholders for technical solutions.Strong knowledge of Java frameworks...

An international recruitment company is seeking a Senior Java/Kubernetes Developer to join a remote team. You will work on cloud-native applications using modern technologies and Kubernetes infrastructure. Candidates should have over 5 years of Java Development experience and cloud deployment skills. The role offers an attractive salary package or contractor...

In this role, you will contribute to building a modern Enterprise Data Platform for a large US-based healthcare provider serving thousands of hospitals worldwide. You will work on cloud-native data solutions on Google Cloud Platform, helping improve data quality, analytics efficiency, and data-driven decision-making across the...