Senior Backend Engineer – Cairo

About the role

We are seeking a Senior Backend Engineer to join Technical Development Solutions in Cairo. The role focuses on designing, building and maintaining high‑performance backend services that support our environmental and resource‑management platforms.

Key responsibilities

• Design, develop and maintain enterprise‑grade backend systems using ASP.NET Core and the ABP Framework.
• Apply Clean Architecture principles (Domain, Application, Infrastructure, Presentation) and implement CQRS with MediatR.
• Create and expose RESTful APIs for internal and external consumption.
• Design, optimise and manage SQL Server databases, including Entity Framework Core data access.
• Enforce clean‑code standards, SOLID principles and design patterns.
• Conduct code reviews, mentor junior engineers and collaborate with frontend, DevOps and product teams.

Required profile

• Minimum 5 years of professional experience in .NET backend development.
• Proven ability to work on complex, scalable systems in a hybrid, full‑time environment.
• Strong problem‑solving skills and a passion for clean architecture.

Required skills

• ASP.NET Core
• ABP Framework
• Clean Architecture
• MediatR (CQRS)
• SQL Server
• Entity Framework Core
• RESTful API design