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Full-Stack Java Developer

LuxembourgLuxembourg·LuxembourgRemoteFull-timemid
Java DeveloperSoftware Engineering
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Quick Summary

Overview

At Uni Systems, we are working towards turning digital visions into reality. We are continuously growing and we are looking for a Full-Stack Java Developer to join our UniQue team.

Technical Tools
Java DeveloperSoftware Engineering

At Uni Systems, we are working towards turning digital visions into reality. We are continuously growing and we are looking for a Full-Stack Java Developer to join our UniQue team.

  • Work with subject matter experts to gather business requirements.
  • Perform analysis of existing processes and applications, and additional/new end user requirements.
  • Design applications and micro-services addressing these requirements.
  • Implement these applications and micro-services considering the technology stack.
  • Support existing microservices applications for different divisions.
  • Perform testing (unit test, integration test, system test, performance test) these applications and microservices.
  • Support the business during user acceptance testing and obtain business signoff.
  • Source code, configuration, and automated unit tests, checked in to the provided versioning system (Git), along with documentation (e.g., Javadoc and Asciidoc).
  • Test results, perform items related to the change management process (ServiceNow).
  • Prepare documentation, reporting, and change management related to these applications and microservices.
  • Engage in active participation in agile ceremonies.
  • Release preparation and release management.
  • Ensure all material is stored on the SharePoint environment for audit purposes.
  • Identify risks and liaise on issues related to changes.
  • Act as a change agent to help facilitate effective deployments/modifications to new and current industry practices.
  • Maintain customer relationships within different divisions to ensure smooth communication.

Requirements

~1 min read
  • Bachelor’s degree in IT and minimum of 10 years of hands-on Java experience.
  • Experience personally writing and maintaining automated unit and integration tests for Java applications.
  • Hands-on development experience with Spring and Spring Boot, including persistence using JPA and Hibernate.
  • Experience using Git for team-based software development, including branches, pull requests or merge requests, and code review.
  • Experience writing SQL queries for relational databases and using XML, YAML and JSON in application development or configuration.
  • Hands-on experience with AI-agent-driven software development using at least one of GitHub Copilot, Claude Code or Codex. Experience must include agent-led implementation or modification of application code; code completion alone is insufficient.
  • Hands-on experience developing Angular frontend applications using TypeScript/JavaScript.
  • Advanced English (C1) communication skills (written and spoken).

Desirable

  • Experience with Apache Camel.
  • Experience with agile (Scrum) and DevSecOps.
  • Experience with continuous integration and continuous delivery pipelines, e.g., Azure Pipelines.
  • Experience with Infrastructure-as-Code, e.g., Terraform and containerized environments, e.g., Docker.
  • Experience with public cloud architectures, e.g., Microsoft Azure.
  • Experience with the development of microservices.
  • Experience in the financial services industry.
  • Experience with service management following ITIL.

At Uni Systems, we are providing equal employment opportunities and banning any form of discrimination on grounds of gender, religion, race, color, nationality, disability, social class, political beliefs, age, marital status, sexual orientation or any other characteristics. Take a look at our Diversity, Equality & Inclusion Policy for more information.

Location & Eligibility

Where is the job
Luxembourg, Luxembourg
Remote within one country

About this job

Posted
3 days ago
Employer
has 26 open jobs on Jobera in 7 countries.

Listing Details

Posted
October 12, 2026
First seen
October 12, 2026
Last seen
October 15, 2026

Posting Health

Days active
2
Repost count
0
Trust Level
76%
Scored at
October 15, 2026

Signal breakdown

freshnesssource trustcontent trustemployer trust

Uni Systems is a European ICT company founded in 1964, providing a wide range of digital transformation products and services to financial institutions, public organizations, telecom operators, and enterprises. It is a member of the Quest Group of Companies and operates internationally with a significant presence in several European countries.

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Full-Stack Java Developer