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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Java Full Stack Developer - **Company:** Keystone Solutions - **Location:** Eigenbrakel, Belgium - **Experience:** Expert - **Contract:** Temporary contract - **Skills:** HTML, Java (Programming Language), Agile Methodology, Software Applications, JIRA, Software Bug Management, Cascading Style Sheets (CSS), Databases, IBM DB2, Database Models, Database Queries, IntelliJ IDEA, JSON, Apache Maven, Object-Oriented Software Development, Oracle (Applications), Scrum Methodology, Openid Connect, SQL Databases, TypeScript, ReactJS, Backend, Git, Usage Tracking, Syntactically Awesome Style Sheets (SASS), AngularJS, Front End Software Development, Jenkins, Microservices - **Published:** July 14, 2026 - **Apply:** https://www.adzuna.be/details/5799559783 ## About the Role * Understand client requests and needs, critically analyze them (what, why, who, when, where, and how), and maintain a critical, analytical, and creative approach. * Comprehend various database modeling concepts and object-oriented programming. * Ability to work across the entire technical backend chain and the technologies used. * Strong expertise in JAVA 8+ (Reactive Streams, performance, etc.) and associated frameworks (primarily Spring and Maven). * Good knowledge of components such as Jenkins, JIRA, Git. Experience in implementing microservices and database queries (Oracle, SQL, and DB2) is a plus. * Document applications for which you are responsible (e.g., user manuals, processes, etc.). * Participate in the Agile way of life of the team (SCRUM Methodology). * Develop and test new features or bug fixes in JAVA following existing patterns. * Test your own work or that of a team member and support the business in data usage. * Conduct technical analyses and challenge business analyses. * Adhere to governance and IT strategy. * Master's degree, Bachelor's degree, or equivalent experience. * Minimum of 5 years of professional experience. * Concrete experience in JAVA analysis and development (preferably Spring and Reactive Streams). * Good knowledge of Git, Jenkins, and JIRA components. * Good knowledge of databases (Oracle, SQL, DB2, etc.). * Familiarity with IDEs like IntelliJ or similar. * Good frontend experience with the latest versions of Angular (React is a plus). * Comfortable with concepts such as ngrx, openid connect, HTML, CSS, TypeScript, and SASS. * Knowledge of Json Form is also an asset. * Good knowledge of French or Dutch (oral/written) and knowledge of English (oral/written). * Oral comprehension of French is an asset (French-speaking team). Desired Qualities: * Synthesis skills and good organizational sense. * Proactive in work and seeking new solutions. * Autonomous. * Rigorous. * Good communication skills. * Listening skills. * Self-taught., * Agile - Level: Intermediate - Most recent: Any time * Angular - Level: Expert - Most recent: Any time * Java - Level: Expert - Most recent: Any time * Jira - Level: Intermediate - Most recent: Any time * Microservices - Level: Advanced - Most recent: Any time * React - Level: Expert - Most recent: Any time Language requirements: Dutch or French Level Native or bilingual proficiency English Level Professional working proficiency ## Description * Participate in determining user needs and conduct feasibility analysis to understand requirements and assess technical feasibility for smooth application programming. * Perform technical analysis and document changes and developments related to assigned applications to facilitate future modifications. * Test solutions designed within the department and make necessary adjustments to ensure compliance with quality standards and business needs. * Monitor production developments and make modifications as needed, contributing to the realization and improvement of assigned applications for an efficient development process. * Control, analyze, and resolve intervention requests and bugs related to assigned applications to ensure optimal functionality. * Act as a technical advisor for support and functional questions regarding software applications and management software, providing support for optimal use and development of various applications. ## Related Videos - [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) - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [Collaboration Quantified: Lessons from Open Source Developer Networks](https://www.wearedevelopers.com/videos/1422-collaboration-quantified-lessons-from-open-source-developer-networks) - [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) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) - [Next Level Enterprise Architecture: Modular, Flexible, Scalable, Multichannel and AI-Ready?](https://www.wearedevelopers.com/videos/1017-next-level-enterprise-architecture-modular-flexible-scalable-multichannel-and-ai-ready) ## Related Articles - [Software Developer Salary in The Netherlands [2023]](https://www.wearedevelopers.com/magazine/217-software-developer-salary-in-the-netherlands-2023) - [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) - [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) - [The Netherlands – Europe’s powerhouse for software development?](https://www.wearedevelopers.com/magazine/31-the-netherlands-europe-s-powerhouse-for-software-development) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs)