Freelance .NET Developer for Large-Scale Architecture Project

About the role

We are looking for a freelance .NET Developer to join a remote team working on a large‑scale factory reset initiative for a German client. You will help rebuild and support the core software architecture that powers the entire operation, collaborating with a small, high‑performing group of engineers.

Key responsibilities

• Design, develop, and maintain backend applications using .NET 6+ and C# 10.
• Build and consume REST APIs and services based on Protocol Buffers.
• Work within an existing, complex architecture alongside a team of 5‑6 engineers.
• Write and optimise SQL queries where required.
• Collaborate closely with the project manager and team to deliver quickly in a dynamic environment.
• Contribute to architectural decisions and share your experience.

Required profile

• Proven experience with large, complex software systems.
• Ability to work independently without extensive onboarding.
• Comfortable moving fast and adapting to evolving requirements.
• Demonstrable exposure to distributed or micro‑service architectures is a plus.

Required skills

• .NET 6+
• C# 10
• REST API development
• Protocol Buffers
• SQL query writing

What we offer

• Freelance contract for 1.5–2 months.
• Compensation 2–3× the average Tunisian rate.
• Fully remote work with flexible hours.
• High‑impact project with a leading European client.
• Developer‑first culture, flat hierarchy and long‑term collaboration opportunities.