Uni Systems is an information and communication technology company that helps organizations modernize how they operate through digital transformation. Its work spans infrastructure and operations, cloud and data center technologies, cybersecurity, enterprise platforms, big data analytics, emerging technologies, and artificial intelligence. The company supports clients in sectors including banking, government, telecommunications, healthcare, retail, consulting, and logistics, combining technology expertise with sector-focused solutions. For professionals exploring opportunities with Uni Systems, its profile reflects work at the intersection of large-scale IT delivery, innovation, sustainability, and digital ethics.
Senior Full-Stack Java Developer, Luxembourg Remote
Build Java microservices and Angular applications at Uni Systems. Contribute to testing, release management, change processes, and collaboration with customers and business teams.
Description
- Gather business needs with subject matter experts.
- Review current processes and applications alongside new user requirements.
- Design applications and microservices to meet business needs.
- Develop applications and microservices with the appropriate technologies.
- Maintain existing microservices applications across divisions.
- Run unit, integration, system, and performance tests.
- Support user acceptance testing and secure business approval.
- Commit code, configuration, and automated unit tests to Git, with Javadoc, Asciidoc, or other documentation as appropriate.
- Log test outcomes and manage changes in ServiceNow.
- Prepare documentation, reports, and change-management materials.
- Take an active part in agile ceremonies.
- Prepare and coordinate releases.
- Keep audit materials in SharePoint.
- Assess risks and coordinate on change-related issues.
- Help deliver deployments and adapt industry practices.
- Build customer relationships across divisions and maintain clear communication.
Requirements
- Bachelor’s degree in IT and at least 10 years of practical Java development experience.
- Experience writing and maintaining automated unit and integration tests for Java applications.
- Practical development experience with Spring and Spring Boot, including JPA and Hibernate persistence.
- Experience collaborating on software through Git, including branching, pull or merge requests, and code reviews.
- Experience querying relational databases with SQL and using XML, YAML, and JSON in development or configuration.
- Practical experience developing software with AI agents such as GitHub Copilot, Claude Code, or Codex, including agent-led application code changes; code completion alone does not qualify.
- Practical experience building Angular front ends with TypeScript or JavaScript.
- Advanced written and spoken English (C1).
- Experience with Apache Camel.
- Experience with Scrum and DevSecOps.
- Experience with CI/CD pipelines, such as Azure Pipelines.
- Experience with Infrastructure as Code, such as Terraform, and container platforms, such as Docker.
- Experience with public cloud architecture, such as Microsoft Azure.
- Experience developing microservices.
- Experience in financial services.
- Experience with ITIL-based service management.