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Sansaone

Back End Developer

Sansaone
Luxembourg · Full-time · Mid-Senior

Title: Senior Backend Engineer

Location: Luxembourg

Duration: 6 months

Language: English


Job Description

Tasks:

  • Develop, maintain, test and deploy SpringBoot web portals, applications, components and libraries, using Java and Spring framework.
  • Collaborate with team leads, tech leads business analysts, developers and other testers to understand requirements and ensure consistency and coherence of requirements;
  • Deploy and monitor applications on-prem and in cloud containerized environment


Mandatory Requirements:


  • University Degree at a related field 10+ years of experience
  • Java 17 (preferably 21 or higher)
  • Spring Framework 6.x (or higher) & Spring Boot 3.x (or higher)
  • JPA / Hibernate
  • Web services (REST, SOAP); asynchronous communication using event streaming (Kafka)
  • JUnit/TestNG; Mockito or similar mocking framework
  • DevOps: Maven, Git, CI/CD pipelines (preferable Azure DevOps), containers (Docker), cloud (preferable Azure)
  • Auth/Authz using OIDC/OAuth


Would be a big plus:

  • For one profile, we would need experience with integration technologies and micro-services, preferably with Apache Camel (but Spring Integration would be a plus)
  • Full stack web development with a JavaScript framework (preferably React)
  • Process/workflow engine experience (eg: Temporal)

Key Skills

Ranked by relevance

cloud spring boot javascript docker devops apache maven java cicd git
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Posted
Feb 26, 2026
Type
Full-time
Level
Mid-Senior
Location
Luxembourg
Company
Sansaone

Industries

IT Services IT Consulting

Categories

Information Technology

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