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 frontend 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 …
Equal Opportunity Statement
We believe in equal opportunity for all and actively encourage applications from diverse backgrounds, experiences, and perspectives.
Employer Information
Source Group International Ltd is acting as an Employment Business in relation to this vacancy.
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