Onlano
Full Stack DevelopmentOnsite

Full Stack Developer (.NET / React)

ITproposal B.V. - Company

Amsterdam, Noord-Holland, ๐Ÿ‡ณ๐Ÿ‡ฑ NetherlandsContract - Principal (10+ years)0 applicantsCloses Jun 15, 2026

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Job description

Role overview

We seek a Principal Full Stack Developer with 10+ years' experience in .NET and React to build scalable web applications and APIs. The role focuses on clean architecture, Azure cloud integration, and modern development practices in Amsterdam.

Responsibilities

  • Design and implement full-stack solutions using React, TypeScript, and .NET
  • Architect scalable cloud-native applications on Azure
  • Collaborate with cross-functional teams to deliver high-performance systems
  • Maintain and optimize existing codebases
  • Mentor junior developers and enforce best practices

Responsibilities

  • Develop and maintain full-stack web applications using React and .NET
  • Design scalable cloud solutions on Azure platform
  • Implement clean architecture patterns for maintainable codebases
  • Collaborate with product teams to translate requirements into technical solutions

Requirements

  • 10+ years professional software development experience
  • Expertise in React, TypeScript, and .NET framework
  • Proven track record with Azure cloud services
  • Strong understanding of API design and implementation
  • Experience with modern web application development lifecycle

Benefits

  • Competitive salary with performance bonuses
  • Flexible work hours and professional development budget
  • Collaborative team environment with cutting-edge tech stack

Keywords

.NETReactTypeScriptAzureAPI DevelopmentClean ArchitectureCloud ComputingWeb Applications