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NEOFACTO

Senior Java Backend Developer

NEOFACTO
Luxembourg · Full-time · Mid-Senior
We are looking for an experienced Senior Java Backend Developer to join a fast-paced, high-performing development team for a well-known financial institution.

Missions

  • Develop and maintain backend services using JavaEE, SpringBoot 3, Hibernate, and REST APIs
  • Contribute to the refactoring of existing codebases and adoption of design patterns
  • Participate in the migration from Java 11 to Java 17
  • Collaborate with frontend teams working in React 18.2
  • Implement batch processing solutions using SpringBatch
  • Work with Kafka, API Gateway, and other middleware for scalable microservice integration
  • Write and maintain technical and functional documentation
  • Engage in code reviews, CI/CD, and deployment processes using modern DevOps tools
  • Support the overall agile delivery and sprint objectives

Tech Stack

  • JavaEE, J2SE (Java 11 → 17), SpringBoot 3, SpringBatch, Hibernate
  • RESTful APIs, React 18.2
  • Oracle Database, JBoss
  • IntelliJ, Git, GitHub, Jenkins, Sonar, Nexus, Jira
  • Kafka, API Gateway, BMC
  • CI/CD and DevOps integrated environment

Profile

  • 6+ years of experience as a Java backend developer, preferably in the financial sector
  • Strong expertise in JavaEE, SpringBoot, REST APIs, and Hibernate
  • Experience with batch jobs, message queues (Kafka), and enterprise middleware
  • Solid understanding of CI/CD pipelines and experience with tools like Jenkins, Sonar, Nexus
  • Familiar with code quality practices, performance tuning, and secure coding
  • Previous work in microservice architectures and API integrations
  • Fluent in English (spoken and written) - required for international collaboration
  • Ability to work both independently and within a team in an Agile environment

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 kafka cicd jenkins devops react nexus design patterns message queues restful apis oracle jira git
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Country Guide

Luxembourg

High-value international enterprise and fintech hub

Posted
Jul 01, 2025
Type
Full-time
Level
Mid-Senior
Location
Luxembourg
Company
NEOFACTO

Industries

IT Services IT Consulting

Categories

Engineering Information Technology

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