Agencja zatrudnienia – nr certyfikatu 412
Publikacje
Firma
23 grudnia 2025
IT – technologie i kompetencje, które zmieniły branżę i wyznaczają kierunek na nowy rok
Senior Java Developer/Analyst
Reference Number: 26211
Posted: 23 lipca 2026- Form of employment: Kontrakt
- Apply by: 24 sierpnia 2026
This position is no longer available
Job description
- On-site work from Warsaw (5 days per week from the Client's office)
- Full availability in the Polish time zone
- Polish language is required
- English: at least B2
Tasks
- Design and implementation of IT solutions based on analytical and technical documentation
- Review and improvement of analytical documentation
- Creation and maintenance of technical documentation
- Technical upgrades and modernization of an existing system (including migration to Java 17 and newer technologies like Spring Boot)
- Work with legacy code and monolithic architecture (Java 8-based system)
- Reverse engineering based on: existing source code, functional and technical documentation, documented business processes, system UI and database access
- Participation in transformation of a monolithic TMS system (POS terminal management) towards microservices architecture
- Defining, designing and implementing automated test cases (including regression testing)
- Identification of areas for test automation based on code and documentation
- Work with system security improvements and vulnerability mitigation
- Close cooperation with operational and development teams (~50% analytical work / ~50% development)
- Working in Scrum (2-week sprints) in a small development team
- Supporting system evolution and rollout to new markets (e.g. Germany)
Requirements
- Very good knowledge of Java (8+) and object-oriented programming (experience with Java 17 is a plus)
- At least 5+ years of experience (Regular/Senior level)
- Experience in independent design, implementation, documentation and testing of application components
- Strong analytical skills and ability to work with legacy systems
- Very good practical knowledge of: Spring / Spring Boot, Hibernate / JPA, JEE, RESTful API design, Relational databases (especially Oracle)
- Practical experience with: message queues (RabbitMQ), system integration and distributed systems, application servers (JBoss / WildFly), development tools: Maven, Git, GitLab, GitLab CI/CD, Jenkins, Nexus, Jira
- Docker
About the Company
Experis to światowy lider rekrutacji specjalistów i kadry zarządzającej w kluczowych obszarach IT. Z nami znajdziesz konkurencyjne oferty zatrudnienia oraz ciekawe projekty IT skierowane zarówno do ekspertów z wieloletnim doświadczeniem, jak i osób, które dopiero zaczynają swoją przygodę w branży IT.
jefferson Wells is Norway's largest consulting & recruitment company with over 800 consultants. We offer recruitment of managers and highly qualified consultants with expertise in IT. Among our customers, you will find over 90 percent of Norway's largest listed companies. Experis is part of ManpowerGroup and has been named one of the world's most ethical companies.
