Java Full Stack Developer
- Level
- Mid
- Work type
- Remote · Belgium only
Not stated in the posting: salary, visa.
Open. First seen 29 October 2026.
About the role
At Uni Systems, we are working towards turning digital visions into reality. We are continuously growing and we are looking for an Java Full Stack Developer to join our UniQue team.
What will you be doing in this role?
- Develop and maintain front-end applications using Angular and back-end services using Java.
- Design, develop, and integrate APIs and scalable software solutions.
- Implement core business logic and ensure application security best practices.
- Build responsive, high-performance web applications across different devices and browsers.
- Write clean, maintainable code and participate in code reviews and testing.
- Troubleshoot, debug, and optimize applications to improve performance and reliability.
- Prepare technical documentation and support application maintenance.
- Collaborate with cross-functional teams to deliver end-to-end solutions across the full technology stack.
- Deploy and manage applications using cloud platforms, CI/CD pipelines, and containerization technologies.
- Bridge the gap between front-end and back-end developers, facilitating communication and ensuring cohesive integration of all system components.
Requirements
Uni Systems's standard text
What do you need to succeed in this position?
- Experience working with large-scale enterprise Information Systems.
- Strong expertise in Java, including Spring Boot, Hibernate, and REST API development.
- Proficiency in Angular, TypeScript, JavaScript, HTML, and CSS.
- Experience with relational databases such as PostgreSQL or Oracle.
- Knowledge of Git/GitLab, JIRA, and Confluence.
- Hands-on experience with static code analysis tools (e.g., SonarQube, Fortify, Snyk).
- Experience working in Agile environments, with exposure to DevOps/DevSecOps practices.
- Knowledge of cloud platforms (AWS, Azure) and CI/CD pipelines.
- Experience with Docker and Kubernetes for application deployment and management.
- Experience designing, developing, and securing RESTful APIs and web services.
- Strong understanding of application security, performance optimization, and software development best practices.
Certifications
Oracle Certified Java Developer (Associate or Professional) or an equivalent Java certification.
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 Diversity, Equality & Inclusion Policy for more information.
What this role asks for
Particular to this role
CSS · Git · GitLab · Hibernate · Jira
Rare in Uni Systems's other 28 open postings.
Standard for full stack roles
AWS · CI/CD · JavaScript · PostgreSQL · REST · TypeScript
Common in full stack postings at any company.
97% of this description is written for the role. The rest is Uni Systems's standard text, folded away below.
Compared with Uni Systems's other open jobs.
The team: International BU
This role is one of 11 open in International BU. 9 were posted in the last 30 days.
WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS
JavaScript (7 of 11), CI/CD (6 of 11), Java (6 of 11), Angular (5 of 11), AWS (5 of 11), Azure (5 of 11), CSS (5 of 11)
OTHER ROLES ON THIS TEAM
- Full-Stack Developer posted Oct 23
- Back End Software Engineer posted Oct 22
- UI/UX Designer posted Oct 21
- Full-Stack Developer posted Oct 20
- IAM & Cloud Security Architect posted Oct 16
- Automation Engineer posted Oct 16
- Full-Stack Java Developer posted Oct 12
- Data Scientist - AI and NLP posted Oct 9
- Senior Java Engineer (Documentum) posted Sep 18
- AI Enablement Lead posted Sep 11
From the team and dates on Uni Systems's own job board.
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