Full Stack .NET/Angular Developer

Location: Brussels (hybrid) Contract type: Permanent, full-time Languages: French + English (Dutch = nice to have, not required) About the missionTMS Group is hiring a Full Stack .NET/Angular Developer for one of our clients, a large and well-structured organisation operating in a modern Microsoft ecosystem.The client works with a mature Agile model, a clear architecture, and long-term product ownership — no chaotic firefighting, no unclear specs, no "just ship it".You'd join their .NET Center of Excellence, contributing to both new feature development and long-term application stability.Clean code, good practices, and engineering discipline aren't "nice to have" — they're the baseline. What you'll do Feature Development & Change RequestsEstimate workload based on functional analysis.Perform technical analysis (occasionally functional as well).Implement features following internal standards and secure development practices.Produce clear technical documentation.Write unit and functional tests.Deploy across multiple environments (DEV → PROD).Actively participate in Scrum rituals and contribute to continuous improvement. Application MaintenanceCollect, investigate and fix bugs.Implement, test and deploy patches.Ensure application stability and performance.Apply secure coding and CyberSecurity principles. CollaborationYou'll work closely with project managers, architects, testers, and functional/technical analysts.You can propose multiple technical solutions, explain trade-offs, and provide reliable estimations.Depending on the project scope, a rotating on-call duty may be required (up to 1 week/month). What we're looking forWe're searching for someone who checks most of these boxes Technical Skills (must-haves)Strong experience with .NET / .NET CoreC#Entity FrameworkASP.NET / MVCREST APIs / WebAPIBatch jobsSolid front-end expertise:AngularTypeScript / JavaScriptHTML5, CSS3, BootstrapStrong SQL knowledge and relational DB experience.Solid understanding of OOP, Design Patterns, SOLID and dependency injection.Experience with unit testing.Proficiency with Git.Experience with Azure DevOps or Jira + comfortable with code reviews.Understanding of DevOps concepts and CI/CD pipelines.Nice to HaveNgRx (state management).Azure DevOps pipelines.ADFS (authentication & authorization).Node.js or jQuery (legacy awareness).Soft SkillsTeam player with a collaborative mindset.Proactive and autonomous.Strong analytical skills.Communicative, both written and verbal.Willing to share knowledge.Customer-oriented and pragmatic.LanguagesFrench: native or near-native.English: B2 (professional working proficiency).Dutch: optional bonus. What we offerLong-term mission within a modern technical ecosystem.A real full-stack role covering both feature development and maintenance.Structured team, strong engineering culture, quality standards.Hybrid working model (Brussels-based).Real career growth opportunities: mentoring, exposure to modern tools, responsibility over complex features.Standard benefits: eco-vouchers, meal vouchers, group insurance, additional days off based on seniority/performance. Why TMS?At TMS, we do things differently.We're a close-knit team where every consultant truly matters.No random assignments — we focus on finding projects that fit you.We listen, support, and help you evolve in missions where you can grow, learn, and make a real impact. How to applyInterested?Simply follow the application process directly on LinkedIn — no need to send an email.Once we've reviewed your profile, we'll get in touch to schedule a conversation — over coffee or via video call .