The employment agency - Certificate No. 412
Senior Java Developera
Reference Number: 26212
Posted: 21 September 2026- Form of employment: Contract
- Apply by: 31 October 2026
Job description
About the Project
We are looking for an experienced Senior Java Developer to join a large-scale payment technology project focused on the development and modernization of a Terminal Management System supporting more than 300,000 payment terminals.
The platform operates in a complex distributed environment and is currently undergoing a gradual transformation towards a more modern architecture. You will work on business-critical systems, contribute to technical improvements, and help drive the evolution of a highly integrated enterprise solution.
Responsibilities
- Design and develop backend solutions
- Review requirements and propose technical improvements
- Create technical documentation
- Upgrade and modernize existing systems
- Refactor legacy code
- Perform security scans and remediate vulnerabilities
Requirements
- Strong experience with Java 8+
- Hands-on experience with:
- Spring / Spring Boot
- Hibernate / JPA
- JEE
- RabbitMQ
- Oracle Database
- Experience with REST APIs and system integrations
- Knowledge of distributed systems
- Experience with JBoss or WildFly
- Familiarity with Git, GitLab, Maven, Jenkins, Nexus, Jira
- Knowledge of security tools (Fortify, Sonatype)
- English level B2+
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.
