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ITPROPOSAL B.V. career site
Careers · Amstelveen NL

Senior Back-End Developer (C# / Kotlin) – DetaVast

This is a unique opportunity to shape scalable, high-performance back-end systems in a collaborative environment where innovation, automation, and engineering excellence are at the core.

Senior Back-End Developer (C# / Kotlin) – DetaVast
📍 Location: Amstelveen
🕒 Hours per week: 36
📅 Start date: 29-09-2025

Do you want to contribute to cutting-edge greenfield projects while working in a modern, agile environment? We are looking for a Senior Back-End Developer to join our team in Amstelveen.

What you’ll bring:

  • Excellent back-end engineering skills, ideally in Go, but expertise in Rust, C#, or Kotlin will also be valued.

  • Strong knowledge of building operable services, with experience embedding technologies like OpenTelemetry into the SDLC.

  • Hands-on experience with GitOps deployments.

  • Solid foundation in automated testing, including TDD and BDD.

  • Proven experience designing and building microservice architectures.

  • Bonus: expertise in platform orchestration/automation and on-prem virtualized networks.

  • Experience setting up and maintaining build pipelines (preferably GitHub Actions).

  • Practical experience with Kubernetes / OpenShift (OpenShift is a plus).

  • Familiarity with agile methodologies and enthusiasm for working on greenfield software projects.

  • Fluent Dutch is required.

Department
Careers
Locations
Amstelveen NL

About ITPROPOSAL B.V.

Established in the Netherlands in 2019, ITProposal specializes in delivering top-tier IT professionals to support businesses in scaling their operations, tackling complex technical challenges, and accelerating digital transformation.

Founded in 2019
Co-workers 350
Turnover 5M
Careers · Amstelveen NL

Senior Back-End Developer (C# / Kotlin) – DetaVast

This is a unique opportunity to shape scalable, high-performance back-end systems in a collaborative environment where innovation, automation, and engineering excellence are at the core.

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