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Fullstack .NET / React Developer

SGI

Zürich · On-site Full-time Mid Level 1mo ago

About the role

About

We are looking for a Fullstack Developer to support the design and delivery of modern enterprise applications. You will work across backend services and front-end interfaces, ensuring high performance, usability and code quality.

Key Responsibilities

  • Develop and maintain backend components using C#, .NET, ASP.NET Core and WebAPIs
  • Build responsive, well-structured user interfaces with React, modern JavaScript and clean CSS
  • Collaborate with product owners and stakeholders to refine requirements and deliver solutions
  • Write efficient SQL queries and integrate with relational databases
  • Contribute to code reviews, architecture discussions and continuous improvement
  • Work within an agile scrum environment and follow CI/CD practices

Required Background

  • Degree in Computer Science or related field
  • Minimum 4 years of experience with C# / .NET in enterprise environments
  • 3+ years of front-end development with React
  • Strong JavaScript fundamentals, async patterns and DOM manipulation
  • Excellent attention to UI detail and styling quality
  • Solid experience with SQL and relational databases (Oracle, SQL Server or PostgreSQL)
  • Familiarity with CI/CD pipelines and modern development workflows
  • Strong communication skills and ability to work with cross-functional teams
  • Experience with GraphQL, gRPC, Reactive Extensions, or messaging systems such as

Skills

ASP.NET CoreC#.NETCSSCI/CDGraphQLgRPCJavaScriptOraclePostgreSQLReactReactive ExtensionsSQLSQL ServerWebAPIs

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