Fullstack .NET / React Developer, Zürich (Kreis 11)

Fullstack .NET / React Developer Location: Switzerland

Start date: June/July 2026

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

We believe in equal opportunity for all and actively encourage applications from diverse backgrounds, experiences, and perspectives.

Source Group International Ltd is acting as an Employment Business in relation to this vacancy.

#J-18808-Ljbffr