Founded in 2020 in Belgium, ATS4IT is part of the Moongy Group, established to strengthen agap2IT’s presence in Europe. Since 2021 we expanded further with the opening of our Danish branch in Copenhagen, and our Spanish brand in Madrid, reinforcing our commitment to being a key player in the European technology landscape. Proximity, transparency, and collaboration define our approach at ATS. We aim to be your trusted partner and the first choice for your technological challenges

.NET Full Stack Developer

Location: Brussels, Belgium

Work Model: Hybrid (2–3 days per week on-site)

Languages: Native French or Dutch + good command of the other national language + English (B2)

Contract Type: Long-term mission

Eligibility: Candidates must possess European nationality or a valid work permit for Belgium

NOTE: Due to the high volume of applications received, candidates who do not meet the specified criteria may not be contacted

About the Role

We are seeking an experienced .NET Full Stack Developer to join our development team supporting large-scale digital transformation projects. The selected professional will work across both backend and frontend environments, building reliable, high-performance applications and ensuring seamless integration between systems. The role combines strong .NET backend expertise with solid front-end development skills, and an understanding of DevOps and modern software engineering practices.

Technical Environment

• Backend: C#, .NET Framework, .NET Core, Entity Framework, MVC, ASP.NET, REST APIs

• Frontend: HTML5, CSS3, Bootstrap, JavaScript, TypeScript, Angular, NgRx, Node.js, jQuery

• Databases: SQL, relational databases

• Tools: Git, Azure DevOps, Jira

• Practices: OOP, SOLID, dependency injection, unit testing, DevOps, CI/CD

Nice to Have

• Proven experience configuring NgRx for complex state management.

• Experience designing and maintaining Azure DevOps pipelines.

• Strong knowledge of ADFS authentication and authorization.

What We Offer:

• Permanent Contract (CDI) – Long-term stability.

• Attractive salary based on your experience and skills.

• Additional benefits: Meal vouchers and eco-vouchers (electronic), DKV hospitalization insurance, company laptop, holiday allowance, and year-end bonus.

• Vacation: 20 paid leave days + 12 RTT days.

• Free training (technical, behavioral, language) and certifications

• Continuous and personalized career progression support

• Opportunities to work on projects with cutting-edge technologie

At Moongy Group, we stand for equality and diversity. We create a safe and inclusive environment where opportunities are equal for everyone! We do not discriminate based on age, ethnicity, gender, disability, sexual orientation, or any factor other than merit. If you have the skills for the role, we encourage you to apply!