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Kepler Search

Java Developer

Kepler Search
Luxembourg · Full-time · Mid-Senior

Job Type: Consulting/Freelance

Duration: Up to 12 months initially

Sector: Financial Services


Our client in Luxembourg, is looking to reinforce their Software Development team with a Senior Java Developer, who has the following profile:


Requirements:


  • Over five years of hands-on experience in Java development
  • Solid background working with Spring Boot and microservices-based systems
  • Proven experience designing and delivering scalable, maintainable, and secure RESTful APIs
  • Familiarity with API gateway solutions
  • Understanding of key API security frameworks and standards such as OAuth2, JWT, and mutual TLS
  • Proficient with containerization and orchestration tools, including Docker and Kubernetes
  • Strong grasp of HTTP protocols, response codes, and REST design principles
  • Experience contributing to Agile environments (Scrum or Kanban) using tools such as Jira and Confluence
  • Skilled in version control with Git and build automation using Maven
  • English speaking required, knowledge of French/German is an additional asset


Please note, in order to be considered for this role you must be eligible to work in Luxembourg and be able to start in January.

Key Skills

Ranked by relevance

java containerization microservices spring boot docker scrum jira git
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Posted
Dec 11, 2025
Type
Full-time
Level
Mid-Senior
Location
Luxembourg

Industries

Banking Financial Services

Categories

Accounting/Auditing Finance

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