Uni Systems

Full-Stack Java Developer

Uni Systems  •  Luxembourg, LU (Remote)  •  2 hours ago
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Job Description

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.

Uni Systems

About Uni Systems

We see IT differently

Uni Systems, a distinguished member of the Quest Group, has served as a trusted ICT provider to enterprises and organisations across the European market for over six decades. Established in Greece in 1964 as the nation’s first IT company, we have been supporting our clients with commitment and expertise. Our growth has been underpinned by long-term client relationships, a comprehensive solutions portfolio, strategic partnerships, and the experience of our dedicated professionals.

With a workforce exceeding 1,800 specialised ICT experts in key subsidiaries, branches in Athens, Barcelona, Brussels, Bucharest, Luxembourg, Milan, and Limassol, and operations in more than 20 countries, we effectively address the complex requirements of European and international organisations.

Our primary focus is enabling our clients’ digital transformation journeys, and we are unwavering in our dedication to this objective.

Industry
Unknown
Company Size
1,001-5,000 employees
Headquarters
Athens, Greece, GR
Year Founded
1964
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