.NET Core Developer – Backend Scalability Upgrade

CoreData Systems

Part-time · Remote · Flexible hours

About the role

CoreData Systems is preparing a new app store release that requires tight mobile and backend integration. We need a .NET Core Developer to shape the server side that powers the mobile experience, ensuring fast, reliable APIs and seamless data sync.

Key responsibilities

• Design and implement RESTful services with .NET Core for the upcoming mobile app.
• Coordinate with the mobile team to define data contracts and real‑time sync mechanisms.
• Optimize Azure functions and App Service performance for high‑traffic launch periods.
• Write unit and integration tests to guarantee API stability.
• Document endpoints and deployment procedures for the remote team.

Must-have skills

• Strong experience with .NET Core and C#.
• Proficiency in Azure services (App Service, Functions, SQL).
• Solid understanding of REST API design and security.
• Ability to work independently in a remote, part‑time schedule.

Nice to have

• Experience with mobile backend patterns (push notifications, offline sync).
• Familiarity with Docker containers for local testing.