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Oscar

Senior .NET Developer

Oscar
Netherlands · Contract · Mid-Senior

Senior .NET Developer | 6 Month Contract | €740 p/day | Rotterdam, Hybrid


We're looking for an experienced Senior .NET Developer to join a client in Rotterdam. You'll play a key role in designing, building and maintaining high performing cloud-based applications that support solutions across Europe.


Key Skills:

  • Proven background as a .NET Developer with strong expertise in C#, .NET Core, and API development.
  • Solid experience with Microsoft Azure, including hands-on deployment and architecture design.
  • Strong understanding of SQL Server – data modelling, optimisation, and integration with application layers.
  • Frontend experience with Vue.js, Angular, JavaScript, and TypeScript.
  • Working knowledge of DevOps pipelines, Git, and modern release management practices.
  • Excellent analytical and problem-solving skills, with the ability to work effectively in cross-functional teams.


Key Responsibilities:

  • Design, develop, and maintain backend applications using C# (.NET Core) across on-premise and Azure environments.
  • Build responsive, user-focused frontends using modern JavaScript frameworks such as Vue and Angular.
  • Develop and manage Azure cloud architectures, including WebApps, Functions, and App Services, ensuring scalability and performance.
  • Implement and maintain CI/CD pipelines using Azure DevOps, and manage version control with Git.
  • Apply containerization and orchestration best practices using Docker and Kubernetes.
  • Collaborate in Agile/Scrum teams, participating in sprint planning, peer reviews, and delivering well-documented, maintainable code.


If this sounds like you, apply now for immediate consideration.

Key Skills

Ranked by relevance

cloud javascript responsive
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Posted
Nov 20, 2025
Type
Contract
Level
Mid-Senior
Location
Rotterdam
Company
Oscar

Industries

Software Development

Categories

Engineering

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