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About this Full-Stack Java Developer role at Uni Systems

Uni Systems · Remote · Luxembourg, Luxembourg, Luxembourg

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.

What will you be doing in this role?

  • 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

What do you need to succeed in this position?

  • 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.

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About Uni Systems

With our people being the driving force behind everything we have achieved in our long history, we successfully provide consulting, design, implementation and support in the field of ICT integrated solutions and services through operations that span across 20+ countries in Europe. We were the first company to begin in an informatics journey that started in 1964, and today, as a member of the dynamic Quest Group, we hold one of the most prominent positions in the sector and claim a seat among the most reliable ICT companies in Europe.

We are systems integrators committed to providing innovative and agile solutions and value added services aimed at strengthening our clients’ positioning within a competitive and ever-changing international environment. Through our offices in Greece, Belgium, Luxembourg, Italy, Romania, and Spain, and with the valuable support of over 1400 highly talented UniQue people, we serve more than 200 customers across geographies and markets.

At Uni Systems, we believe in the continuous development of our UniQue people with learnability lying at the core of our principles: our people participate on a regular basis in engaging learning activities, with technical trainings, leadership programs, workshops and e-learning courses through Udemy, Pluralsight, and LinkedIn Learning platforms being only few of them. Moreover, in collaboration with ALBA Graduate Business School we are offering a Mini MBA program designed to cover the needs of Quest Group’s employees. At the same time, UniQue talents are being recognized through a specially designed Talent Management program that helps us identify, maintain and develop the top talents within the company.

Being a part of our team, in an open and welcoming environment where all voices are heard, brings an array of benefits such as opportunities to contribute to innovation initiatives, hybrid working models, trainings, private medical insurance, mental health programs and more.

Based on the immense potential of our UniQue people we can reach excellence and produce sustainable value in the societies around us.

Are you ready to #BeUniQue? 😎

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