> Markdown version of [/jobs/ext/3157489-frontend-angular-developer](https://www.wearedevelopers.com/jobs/ext/3157489-frontend-angular-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). --- # Frontend Angular Developer - **Company:** Keystone Solutions - **Location:** Brussel, Belgium - **Experience:** Starter - **Contract:** Temporary contract - **Skills:** Adobe Analytics, Clean Code Principles, Application Programming Interfaces (APIs), Component-Based Software Engineering, HTML5, Unit Testing, Software Code Optimization, Code Review, Memory Management, Software Architecture, Semantic HTML, SonarQube, TypeScript, Web Content Accessibility Guidelines, AngularJS, Solid Principles, Front End Software Development, JestJS - **Published:** September 21, 2026 - **Apply:** https://www.adzuna.be/details/5893696031 ## About the Role + Architecture de composants & Design Systems - Level: Confirmed - Most recent: 1 to 3 years ago + Clean Code & Principes SOLID - Level: Confirmed - Most recent: 1 to 3 years ago + HTML5 smantique & API Web modernes - Level: Confirmed - Most recent: 1 to 3 years ago + Tests unitaires (Vitest / JSDOM / tests en mode Zoneless) - Level: Confirmed - Most recent: 1 to 3 years ago + TypeScript - Level: Confirmed - Most recent: 1 to 3 years ago Language requirements: French Level Native ## Description * Participate in updating technical documentation and software architecture. * Develop technical design and analysis based on functional documentation, migration specifications, and UI mockups. * Apply and enforce best development practices: clean code, SOLID principles, DRY, accessibility, and maintainability. * Collaborate within a team of three developers on various migration tasks. * Upgrade the Design System to Angular 22 and adapt existing components. * Develop and rewrite application components in semantic HTML and Angular CDK, replacing PrimeNG components. * Optimize code and rendering performance (response time, memory management, OnPush lifecycle). * Organize refactoring by simplifying existing code and eliminating obsolete dependencies. * Participate actively in cross-code reviews. * Develop and validate unit tests (Vitest) in a zoneless environment to ensure non-regression and high coverage. * Perform corrective and evolutionary maintenance of components. * Validate deployment and delivery of the solution (ng-packagr packaging under Bun, library publication). * Ensure proper behavior of the library in the showcase application and in the execution environments of consuming applications. * Ensure the quality of developments in line with the client's standards and SonarQube rules. * Guarantee compliance with digital accessibility criteria (WCAG 2.1 level AA). * Adhere to deadlines and milestones of the delivery plan. * Communicate regularly with project stakeholders (Team Leader, Architect, UX/UI team) and provide transparent feedback on assigned activities. * Assist the Team Leader in qualifying, evaluating, and breaking down work packages in the agile tracking tool. ## Related Videos - [Angular Unleashed: Mastering Modern Web Development with Angular](https://www.wearedevelopers.com/videos/685-angular-unleashed-mastering-modern-web-development-with-angular) - [How to Stop Choosing JavaScript Frameworks and Start Living](https://www.wearedevelopers.com/videos/118-how-to-stop-choosing-javascript-frameworks-and-start-living) - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [Stand alone components in Angular](https://www.wearedevelopers.com/videos/656-stand-alone-components-in-angular) - [Can SVG be fast? Rendering a scatter chart with over 10k points](https://www.wearedevelopers.com/videos/100299-can-svg-be-fast-rendering-a-scatter-chart-with-over-10k-points) - [But, you're not Facebook](https://www.wearedevelopers.com/videos/378-but-you-re-not-facebook) ## Related Articles - [Dev Digest 133 - Back to Front](https://www.wearedevelopers.com/magazine/474-dev-digest-133-back-to-front) - [The Best 7 Frontend Frameworks for Developers in 2025](https://www.wearedevelopers.com/magazine/400-the-best-7-frontend-frameworks-for-developers-in-2025) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Dev Digest 131 - AI'm not sure about OSS](https://www.wearedevelopers.com/magazine/472-dev-digest-131-ai-m-not-sure-about-oss) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [The Best JavaScript Framework to Learn](https://www.wearedevelopers.com/magazine/229-the-best-javascript-framework-to-learn)