Senior C#/.NET Developer – Remote (Switzerland)

About the role

We are looking for a Senior C#/.NET Developer to join a partner company in Switzerland. The role is fully remote and focuses on designing and building scalable, high‑performance enterprise applications using modern development practices and cloud technologies.

Key responsibilities

• Design, develop, and maintain robust C#/.NET applications and micro‑services.
• Build and optimise cloud‑based solutions on AWS (EC2, S3, Lambda, RDS, CloudFormation).
• Work with relational databases such as Microsoft SQL Server and PostgreSQL.
• Collaborate with cross‑functional and distributed teams to define technical solutions and troubleshoot complex issues.
• Develop front‑end integrations and user‑facing features using React.js when required.
• Participate in code reviews, technical discussions, and continuous improvement initiatives.
• Mentor junior developers and help establish strong engineering practices.

Required profile

• 5+ years of professional software development experience.
• Strong expertise in backend development with C# and .NET.
• Hands‑on experience with AWS services and micro‑services architecture.
• Proven ability to design scalable, reliable software solutions.
• Experience working with Microsoft SQL Server and PostgreSQL.
• Ability to mentor and contribute to technical leadership.

Required skills

• C#
• .NET
• AWS (EC2, S3, Lambda, RDS, CloudFormation)
• Microservices architecture
• Microsoft SQL Server
• PostgreSQL
• React.js