Senior Full-Stack Java / Angular Developer (Financial Applications)
Summary
Senior full-stack developer modernising a client's legacy financial processes (Excel/Access) into Java/Spring Boot microservices with Angular frontends, covering the full delivery lifecycle from requirements and testing to release and production support. Remote within the EU with ~5 days/year on-site in Luxembourg; project-based, full-time.
About Gramian
Gramian Consultancy is a boutique consultancy specializing in IT professional services and engineering talent solutions. With a strong background in software engineering and leadership, we help companies build high-performing teams by matching them with professionals who truly fit their needs.
About the Role
Our client is modernising business-critical financial processes that are currently handled through legacy tools such as Excel and Access, moving them into supported, scalable applications and microservices.
We are looking for an experienced Full-Stack Java / Angular Developer to work across the complete delivery lifecycle — from requirements analysis and solution design through development, testing, release, deployment, documentation, and production support. The role requires strong hands-on experience with Java, Spring Boot, Angular, automated testing, Git-based development, SQL, and microservices.
CONTRACT: Project-based engagement
COMMITMENT: 100%, full-time
LOCATIONS: Remote within the EU, with occasional on-site attendance in Luxembourg (approximately 5 working days per year)
Key Responsibilities
- Gather and clarify business requirements and analyse existing processes and applications.
- Design, develop, and support Java / Angular applications and microservices.
- Build and maintain backend services using Spring, Spring Boot, JPA, and Hibernate.
- Develop Angular frontends and integrate them with backend APIs.
- Write and maintain automated unit and integration tests.
- Execute system, integration, and performance testing and support UAT.
- Support release preparation, deployment, and change-management activities.
- Participate in Agile ceremonies and communicate directly with stakeholders.
- Maintain technical documentation, code documentation, and operational guides.
- Support application issues, release activities, risks, and change requests.
Requirements
- 7+ years of hands-on professional Java development experience, including production releases.
- Strong experience with Spring, Spring Boot, JPA, and Hibernate.
- Proven experience personally writing and maintaining automated unit and integration tests for Java applications.
- Strong hands-on experience with Angular and TypeScript / JavaScript, including backend API integration.
- Experience with Git-based team development, including branches, pull/merge requests, and code review.
- Strong knowledge of SQL, relational databases, XML, YAML, and JSON.
- Experience with microservices and modern application delivery practices.
- Experience using AI coding agents such as GitHub Copilot, Claude Code, or Codex for implementation, modification, review, or testing — not only code completion.
- Bachelor’s degree in IT or equivalent professional experience.
- Must be based within the EU and able to travel occasionally to Luxembourg.