Frontend Web Developer

Mission Overview:

Keystone Solutions is seeking a Frontend Web Developer for a consultancy mission at a client site. You will play a key role in a new development initiative aimed at creating a CMS (Case Management System) web solution to address critical operational needs in international police cooperation. This project will utilize the latest web application technologies, built on a microservices architecture, micro frontends, and will be highly available and scalable. The development will follow agile methodologies, particularly Scrum.

Key Responsibilities:

• Familiarize yourself with the existing environment and business context.
• Integrate various services to collect, persist, and modify data used by your client application.
• Model different entities while adhering to best practices in data standardization.
• Implement user interfaces according to designs provided by the UX/UI Designer, adopting a modular approach.
• Implement unit tests and integration tests on the client side.
• Version your source code, generate pull requests, and conduct code reviews before integration into the main branch.
• Work in an agile manner, focusing on planned tasks, meeting deadlines, and adapting your developments to changing directions.
• Maintain the developed solution according to the principles mentioned above, including regular updates of integrated technologies and implementation of new features or modules requested by users.

Profile Requirements:

• Bachelor's degree in Computer Science (minimum) with several years of experience in a similar role.
• Ability to develop a web application as a SPA, including a Micro-Frontend architecture, using Angular and Module Federation.
• Proficient in authentication mechanisms via OpenID Connect and authorization via OAuth2 for frontend applications.
• Confirmed experience in CI/CD and proficient in using deployment pipelines with GitLab.
• Familiar with GIT concepts, branches, pull requests, and code reviews.
• Experience working in an agile environment, following Scrum methodology, and able to quickly adapt to technical changes during the project.
• Fluent in English and one of the two national languages; active knowledge of one national language and passive knowledge of the other is a significant advantage.
• Knowledge of the police environment, particularly the Federal Judicial Police, is an important asset.

Technologies:

• Architecture: Web SPA and Clean Architecture (Must Have), Microservice (Nice to have)
• Database: PostgreSQL, PgLite (Nice to have), IndexedDB (Should Have)
• Authentication: OpenID and Oauth2 (Must Have)
• Web Development: Angular, Module Federation, NX, RXJS, Unit tests (Must Have), Integration Tests, Prime NG (Should Have), Vue.JS (Nice to Have)
• API and Communication: Rest API (Must Have), gRPC, SignalR, Rabbit MQ (Nice to Have)
• DevOps: Gitlab, CI/CD (Must Have), Kubernetes, Redis (Knowledge)
• DevOps: GIT (Must Have)
• Project Management: Agile Methodology, Scrum (Must Have)

Soft Skills:

• Adaptability: Ability to adapt to changes in technology or strategy.
• Perseverance: Not giving up at the first sign of difficulty.
• Team Spirit: Integrating into the team's vision and reasoning collectively.
• Autonomy: Ability to work independently once aligned with the team.
• Technical Curiosity: Not limiting oneself to known areas.
• Creativity: Thinking outside the box to propose original solutions.
• Solution Orientation: Identifying problems but primarily proposing solutions.
• Ease of Integration: Quickly adapting to a new environment.
• Communication: Ability to communicate easily and when necessary.

If you are ready to tackle technical and strategic challenges in a dynamic consultancy environment, apply today at Keystone Solutions Career Portal .

Duration: 12/10/2026 - 31/12/2026 3 months • (full time)

Skills required:

• Angular - Level: Confirmed - Most recent: Any time
• CI/CD - Level: Confirmed - Most recent: Any time
• Clean Architecture - Level: Confirmed - Most recent: Any time
• GIT - Level: Confirmed - Most recent: Any time
• Gitlab - Level: Confirmed - Most recent: Any time
• integration test - Level: Confirmed - Most recent: Any time
• Module federation - Level: Confirmed - Most recent: Any time
• NX - Level: Confirmed - Most recent: Any time
• OAuth2 - Level: Confirmed - Most recent: Any time
• openid - Level: Confirmed - Most recent: Any time
• PostgreSQL - Level: Confirmed - Most recent: Any time
• prime NG - Level: Confirmed - Most recent: Any time
• REST API - Level: Confirmed - Most recent: Any time
• RxJs - Level: Confirmed - Most recent: Any time
• Scrum (Agile) - Level: Confirmed - Most recent: Any time
• Unit testing - Level: Confirmed - Most recent: Any time
• Web SPA - Level: Confirmed - Most recent: Any time

Language requirements:

Dutch or French
Level Active knowledge
English
Level Active knowledge