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NEOFACTO

Senior Backend Java Engineer

NEOFACTO
Luxembourg · Full-time · Not Applicable
We are looking for a Senior Backend Engineer to join our high-performing development teams. If you are passionate about building robust micro-services, we want to meet you.

You will be responsible for developing and deploying mission-critical web portals and applications, ensuring they are scalable, secure, and perfectly integrated into our financial ecosystem.

Missions

  • Develop, maintain, test, and deploy high-quality Spring Boot applications and libraries using Java.
  • Design and implement micro-services and integration patterns, with a focus on Apache Camel or Spring Integration.
  • Partner with Tech Leads, BAs, and Developers to translate complex requirements into consistent and coherent software solutions.
  • Deploy and monitor applications across both on-prem and cloud-containerized environments (Azure/Docker).
  • Ensure code excellence through rigorous testing (JUnit, Mockito) and participation in CI/CD pipeline optimization.

Profile

  • You have 10 years of experience as a Java backend Engineer / Tech lead.
  • You have a deep understanding of modern Java environments and a proactive mindset.
  • You have an expertise in Java 17 (ideally 21 or higher) and Spring Framework / Spring Boot
  • A strong skills in JPA / Hibernate, REST/SOAP web services, and asynchronous messaging via Kafka.
  • Hands-on experience with Maven, Git, Docker, and Azure DevOps (CI/CD).
  • Solid understanding of OIDC/OAuth for Auth/Authz.
  • Proficiency with Apache Camel or Spring Integration.
  • Full-stack capabilities with React is an asset.
  • Experience with process/workflow engines like Temporal is also a plus.
  • You thrive in Scrum/Kanban environments and value continuous learning.
  • You believe that if it's not tested, it's not finished.
  • Excellent command of English (written and spoken).

Our offer

  • Working in a Great Place to Work based in Luxembourg
  • Attractive salary and pretty cool benefits (meal vouchers, mobile subscription...)
  • Develop your skills and ideas over a coffee, a beer or a pizza during our Neo'vations
  • Evolve within a strong company culture, you'll join us for the opportunity and you'll stay because we're super cool (well according to 98% of our employees NEOFACTO Annual Survey 2024)
  • Between afterworks, innovative workshops and ski weekends, there's never a dull moment when you're part of the Neo'Squad

Recruitment Process

  • The pre-qualification interview with our Recruitment Manager
  • Technical tests
  • Receipt of our salary proposal / exclusivity agreement
  • 2nd interview with our Business Manager
  • Proposal of your application to the client
  • Interview at the client's premises, which can be conducted either by video or in person

Key Skills

Ranked by relevance

java spring boot apache cicd docker devops react kafka maven cloud junit git
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Country Guide

Luxembourg

High-value international enterprise and fintech hub

Posted
Mar 31, 2026
Type
Full-time
Level
Not Applicable
Location
Luxembourg
Company
NEOFACTO

Industries

IT Services IT Consulting

Categories

Engineering Information Technology

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