> Markdown version of [/jobs/ext/3161925-junior-front-end-developer](https://www.wearedevelopers.com/jobs/ext/3161925-junior-front-end-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Junior Front End Developer - **Company:** Keystone Solutions - **Location:** Brussel, Belgium - **Experience:** Starter - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Continuous Integration, Command-Query Responsibility Segregation (Software Development), Hibernate (Java), Java Database Connectivity, Java Persistence API, Spring Framework, Junit, Apache Maven, OAuth, OpenShift, Scrum Methodology, Regression Testing, Mockito, Swagger, Service-Oriented Architecture, Software Engineering, SonarQube, Openapi, Test-Driven Development (TDD), Cypress (Programming Language), Backend, Git, AngularJS, Gitlab-ci, Kubernetes, Atlassian Tools, Npm(Software), Codebase, Front End Software Development, Restful APIs, Docker - **Published:** September 18, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=9f9055ef89249a88 ## About the Role Minimum 3 years of professional experience in Java software development. Experience working in complex multi-system environments., Technical knowledge and practical experience of the following technologies: * Angular 22 * Java >= 21 and Spring Framework (Core, JDBC, Data, Security, AOP) * JPA / Hibernate * RESTful Web Services * OpenAPI / Swagger * SOA, Backend-for-Frontend, CQRS * Test-driven development (JUnit, Mockito, Spring Test, Cypress) * Maven * Docker * OpenShift / Kubernetes * Git and GitLab CI/CD * SonarQube * NPM * OAuth 2.0 * Jira and Confluence * Agile/Scrum methodologies * Continuous Integration and Continuous Delivery (CI/CD) Soft Skills: * Strong analytical and problem-solving skills. * Ability to quickly understand and maintain existing codebases. * Customer and solution-oriented mindset. * Team player with strong communication skills. * Autonomous, proactive, and quality-focused. ## Description * Perform the migration * Conduct testing, including regression testing * Document changes ## 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 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) - [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) - [Test-Driven Development: It's easier than you think!](https://www.wearedevelopers.com/videos/1598-test-driven-development-it-s-easier-than-you-think) - [From boy scouting to redrawing the landscape](https://www.wearedevelopers.com/videos/1140-from-boy-scouting-to-redrawing-the-landscape) ## Related Articles - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Software Developer Salary in The Netherlands [2023]](https://www.wearedevelopers.com/magazine/217-software-developer-salary-in-the-netherlands-2023)