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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Junior Front End Developer - **Company:** RELYzIT - **Location:** Brussel, Belgium (Remote available) - **Experience:** Starter - **Contract:** Temporary contract - **Skills:** Java (Programming Language), Oracle WebLogic Server, Software Quality, Command-Query Responsibility Segregation (Software Development), Hibernate (Java), Integrated Development Environments, Java Database Connectivity, Java Message Service (JMS), Java Persistence API, Spring Framework, Junit, Apache Maven, OAuth, OpenShift, Oracle (Applications), Scrum Methodology, Regression Testing, Mockito, Swagger, Service-Oriented Architecture, Software Engineering, SonarQube, SQL Databases, Openapi, Test-Driven Development (TDD), Spring-boot, Cypress (Programming Language), Reliability of Systems, Backend, Git, AngularJS, Gitlab-ci, Kubernetes, Atlassian Tools, Npm(Software), Codebase, Front End Software Development, Restful APIs, Docker - **Published:** September 23, 2026 - **Apply:** https://www.adzuna.be/details/5894043024 ## About the Role * Minimum 3 years of professional experience in Java software development * Hands-on experience in complex, multi-system environments * Strong analytical and problem-solving skills * Ability to quickly understand and maintain existing codebases * Customer and solution-oriented mindset * Team player with excellent communication skills * Autonomous, proactive, and quality-focused approach * Experience with Agile/Scrum methodologies * Knowledge of the Smals development environment and framework (mandatory) * Familiarity with the following applications is a plus: BETW, CONAN, DIM30BIS, PERSCONT, PROF, STANDOC, STATEXON, IRON, GTEST, VIEWADF, DALI, PREPMEC, EXON, PCRRR Other Requirements * Partial remote work; regular on-site presence in Brussels may be required * English proficiency required; knowledge of French or Dutch is an asset * Freelance position with a 4-month project duration ## Description We unite exceptional builders: engineers, architects, creators, across the BENELUX and the GCC. Vetted through VECTOR7 's multi-signal evaluation, you evaluate once and carry that credential forever. This is more than work. This is where builders build the future., RELYzIT Talent is seeking a Junior Front End Developer for a high-impact, freelance mission with our client in Brussels. This is a unique opportunity to play a pivotal role in the technical evolution of critical applications used by public sector organizations. You'll be at the forefront of a major Angular migration, ensuring the stability, performance, and future-readiness of essential digital services. If you're passionate about building, not just coding, and want your work to matter, this is your next mission. Why This Role Matters Our client's suite of Java and Angular applications is vital to the daily operations of key public services. With the current Angular version (V.15) reaching end-of-life, your mission is to lead the migration to Angular V.22-safeguarding business continuity, minimizing risk, and enabling future innovation. Your work will directly impact thousands of users and ensure the reliability of systems that matter. Key Responsibilities * Drive the migration of multiple applications from Angular V.15 to Angular V.22, ensuring technical excellence and minimal disruption. * Develop and execute comprehensive non-regression tests during the migration process, adapting to changes in each application. * Document all technical changes with clarity and precision, enabling seamless knowledge transfer and risk management. * Communicate migration impacts and updates to key users and stakeholders, ensuring transparency and alignment. * Collaborate within a hybrid team environment, balancing autonomy with proactive engagement. * Maintain and enhance code quality, leveraging best practices in test-driven development and CI/CD pipelines. * Contribute to a culture of continuous improvement, sharing insights and solutions with fellow builders. Technical Skills * Angular (V.17 and V.22) * Java (11, 17, and 21+), Spring Framework (Core, JDBC, Data, Security, AOP) * Spring Boot (2.x and 3.x) * JPA / Hibernate * RESTful Web Services, OpenAPI / Swagger * SOA, Backend-for-Frontend, CQRS * Test-driven development: JUnit, Mockito, Spring Test, Cypress * Maven, NPM * Docker, OpenShift / Kubernetes * Git, GitLab CI/CD, SonarQube * OAuth 2.0 * Jira and Confluence * Oracle, SQL, JMS, Weblogic ## Related Videos - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [How Unit Testing Saved My Career](https://www.wearedevelopers.com/videos/1642-how-unit-testing-saved-my-career) - [Keeping applications secure by evolving OAuth 2.0 and OpenID Connect](https://www.wearedevelopers.com/videos/100152-keeping-applications-secure-by-evolving-oauth-2-0-and-openid-connect) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) - [From boy scouting to redrawing the landscape](https://www.wearedevelopers.com/videos/1140-from-boy-scouting-to-redrawing-the-landscape) ## Related Articles - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [Software Developer Salary in The Netherlands [2023]](https://www.wearedevelopers.com/magazine/217-software-developer-salary-in-the-netherlands-2023) - [The Netherlands – Europe’s powerhouse for software development?](https://www.wearedevelopers.com/magazine/31-the-netherlands-europe-s-powerhouse-for-software-development) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)