Senior.NET Backend Lead – APIs

SEIDOR seeks a seasoned .NET Developer to design, build and maintain back-end components using ASP.NET Core and EF Core in Brussels. You will implement REST and event-driven APIs, persistence layers, and secure authentication/authorisation mechanisms. You will contribute to CI/CD pipelines, participate in code reviews, document APIs, and support deployments...

ThoughtLabs Belgium is seeking an experienced backend engineer to lead and contribute to .NET back-end systems. You will design RESTful APIs, implement event-driven integrations, and work with EF Core in a security-conscious DevSecOps environment. The role requires hands-on leadership of a backend team, strong architecture decisions, and collaboration with...

ThoughtLabs Belgium is seeking an experienced backend engineer to lead and contribute to .NET back-end systems. You will design RESTful APIs, implement event-driven integrations, and work with EF Core in a security-conscious DevSecOps environment. The role requires hands-on leadership of a backend team, strong architecture decisions, and collaboration with...

TiTANS België is seeking a senior developer to own the design and delivery of high-quality software in the Transport Execution Management domain. You will translate business ideas with a solution designer and stakeholders, delivering reliable applications while maintaining strong communication and teamwork. The role requires on-site presence up to five days...

h3Technical Lead (Java Backend) – Brussels – Hybrid /h3pMission context /ppThe Technical Lead will serve as the squad’s primary technical authority and hands‑on leader within the Instruction Order Squad. The role combines deep backend engineering expertise with technical leadership, ensuring the squad delivers high-quality solutions while...

Cisco is seeking a Technical Lead for backend services to guide a team of engineers building workload security products. You will focus on scale, performance, reliability, and security across distributed systems. In this role, you’ll shape architecture, mentor engineers, and drive delivery of high‑quality API endpoints and telemetry processing for large...

Pauwels Consulting seeks a Senior .NET Developer to drive design and delivery of modern, accessible business applications. Build high-impact digital services from UI to backend, ensuring a responsive citizen and healthcare professional experience. Lead frontend direction, implement features with .NET/Blazor, and ensure scalable, accessible UI aligned with...

Technical Lead (Java Backend) – Brussels – Hybrid Mission context The Technical Lead will serve as the squad’s primary technical authority and hands‑on leader within the Instruction & Order Squad. The role combines deep backend engineering expertise with technical leadership, ensuring the squad delivers high-quality solutions while maintaining...

pMindWave, a growing international consultancy, seeks a Senior .NET Developer to own the design, development, and delivery of robust software solutions for a large transport execution programme. You will collaborate with stakeholders and a solution designer to translate concepts into scalable applications. /ppYou will lead the development of secure .NET Core...