Dotnet Developer

Job Title: Full Stack Web Developer

Language: French or Dutch, English

Location: 1000 Brussels, Belgium

Duration: 14/09/2026 - 31/12/2026 + Renewable

Job description:

• As part of your mission relating to the implementation of the service catalogue, your missions will be as follows:
• You will first be required to familiarize yourself with the existing situation in order to propose technical solutions to meet the need.
• Subsequently, you will implement the solution to enable the integration and encapsulation of data sources into a modern, service-oriented solution.
• Subsequently, as your role evolves into a position within the CMS team, you will be required to:
• Participate in the implementation of MicroServices, the implementation of internal communication (between MicroServices) as well as with external systems.
• Contribute to the implementation of user interfaces using a MicroFrontend approach, and ensure communication with MicroServices
• Implement unit testing and integration testing, both on the backend side and the frontend side.
• Integrate the designs provided by the UX/UI Designer into user interfaces
• Version your source code, generate pull requests, and perform reviews of your colleagues' code before integrating it into the main branch
• Model the database using a "code first" approach and carry out the necessary migrations
• Set up deployment pipelines for applications and services.
• Implement Infrastructure Deployment Pipelines (IaCs)
• Work agilely, focusing on planned tasks and meeting deadlines

Desired profile

• You have a bachelor's degree in computer science (at least) and several years of experience in a similar position.
• You have a strong knowledge of .NET (C#) applied to the implementation of microservices. You are also able to install and configure a database (PostgreSQL), as well as manage connections to it via the Entity Framework, taking a "code first" approach.
• You can design and implement REST or gRPC APIs, and deploy an event-driven architecture using message brokers such as RabbitMQ.
• You know how to develop a SPA-type web application according to a Micro-Frontend architecture, using Angular and Module Federation.
• You are proficient in authentication mechanisms via OpenID Connect and O365, both for backend services and frontend applications.
• You have proven experience in CI/CD and setting up deployment pipelines with GitLab or Argo CD. You are proficient in GIT and are familiar with the concepts of branches, pull requests, and code reviews.
• You are used to working in an agile environment, according to the Scrum methodology, and are able to adapt quickly to a change in technical orientation during the project, or even to a technology that you do not yet master. You are persevering, solution-oriented, and you integrate easily into a team with varied profiles and experiences.
• You are fluent in English, as well as one of the two national languages. Active knowledge of one national language and passive (at least) knowledge of the other is a real added value.
• Knowledge of the police environment, and more particularly of the Client, is an important asset.
• Knowledge of security and cryptography is also an added value.

Technologies

• Architecture : Microservice, Microfrontend et Clean Architecture (Must have)
• Base data : PostgreSQL (Must have), PgLite (Nice to have), IndexedDB (Nice to Have)
• Authentification : OpenID, Oauth (Must Have) et O365 (Should Have)
• Development Backend : .NET 8 (C#), EF CORE, Unit tests, Integration Tests (Must Have)
• Development Frontend : Angular, Module Federation, NX, RXJS, Unit tests, Integration Tests (Must Have), Prime NG (Should Have)
• API et Communication : Rest API (Must Have), gRPC, SignalR, Rabbit MQ, Mass Transit
• Devops : Gitlab, CI/CD, GIT, Terraform, Redis (Must Have), Kubernetes (Nice to have)
• Project Management: Agile Methodology, Scrum (Must Have)

Soft Skills

• Adaptability: Being able to adapt to a change in technology or strategy
• Perseverance: Don't give up at the slightest difficulty
• Team spirit: Integrate into the team's vision and think collectively
• Autonomy: Being able to work on your own once things are aligned with the team
• Technical curiosity: Don't stay confined to the things you know
• Creativity: Thinking outside the box to come up with original solutions
• Solution orientation: Detecting problems but above all, proposing solutions
• Easy to integrate: Easily integrate into a new environment
• Communication: Knowing how to communicate e