Senior Software Engineer

For a fast-growing Belgian SaaS company, we're looking for a Senior Software Engineer with a strong backend and infrastructure mindset.

You'll join an experienced product team and work on a greenfield payroll engine , building reliable integrations between the platform and external payroll systems.

🧑 💻 What you'll be doing

• Design and build robust backend APIs and data models
• Develop integrations with third-party and legacy systems
• Run infrastructure in Azure , provisioned through Terraform
• Work with Windows Server, IIS, SQL Server and PowerShell
• Help shape engineering practices, architecture and technical standards
• Take ownership from problem discovery through production

🛠️ Tech environment

Node.js / NestJS · TypeScript · PostgreSQL · Prisma · REST/OpenAPI · GraphQL · Azure · Terraform · SQL Server · Windows Server

👤 About you

• 4+ years of professional software engineering experience
• Strong backend development skills
• Experience with APIs and external system integrations
• Comfortable with relational databases and asynchronous processing
• Affinity with cloud infrastructure and Infrastructure-as-Code
• Experience with Windows environments is a strong plus
• Pragmatic approach to technical debt and engineering trade-offs
• Product-minded and comfortable taking ownership
• Fluent in English