We're looking for a Senior Full-Stack Software Engineer to help build a modern digital platform that supports the supervision of the financial sector. You'll join a cross-functional team focused on replacing legacy applications with a modular, in-house developed solution built primarily in .NET and Angular.
If you enjoy combining strong backend engineering with clean front-end development, and you like working in an environment where quality, security and robustness really matter — this role will suit you perfectly.
What You'll Do
* Design, build and maintain high-quality features in a .NET + Angular architecture.
* Collaborate with business analysts to refine functional and technical needs.
* Conduct code reviews, ensure consistency and improve performance.
* Guarantee compliance with architectural, security and framework guidelines.
* Work inside a 15-person cross-functional team with developers, analysts and testers.
* Take responsibility for an application domain — from design through to production rollout.
* Support incident analysis and coordinate solutions with the development team.
What are we looking for?
* A
Master's degree
in Computer Science, Software Engineering or equivalent.
* Proven senior experience as a software engineer.
* Solid full-stack expertise:
.NET (around 80%)
and
Angular (around 20%)
.
* Strong skills in
C#
, RESTful API design, functional analysis and code review.
* Experience with
SQL Server
, JSON/XML, TypeScript and common development tools (Git, JIRA, Confluence, Visual Paradigm, etc.).
* A structured approach to non-functional requirements: security, performance, reliability.
* Excellent teamwork, communication and knowledge-sharing skills.
* A relevant understanding of cloud-native or Azure migration work is a plus.
* Fluency in
Dutch or French
, and strong professional
English
.
What do we offer?
Location: Brussels (hybrid, up to 50% remote)
Contract: Freelance or Permanent
Languages: Dutch or French + English
Team size: Cross-functional team of ±15 people
Duration: 05/01/ /01/2027