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
Solid experience with SQL and relational databases (Oracle, SQL Server or PostgreSQL)
2+ years of front-end development with React
Strong JavaScript fundamentals, async patterns and DOM manipulation
Excellent attention to UI detail and styling quality
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

Are you interested in this opportunity? Kindly send us your CV today through the link in the advert.

By applying for this role, you consent to SGI contacting you by telephone regarding recruitment services, market updates, and relevant business opportunities

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

Fullstack .NET / React Developer

Job Description

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