Senior Backend Developer; C#​/.NET Core - Saudi National

Overview

Senior Backend Developer (C#/ .NET Core) - Saudi National at Sanaam
. We’re looking for an experienced backend engineer to design and deliver modern, scalable systems using .NET Core, ABP Framework, and a wide range of cutting-edge tools. If you thrive in building microservices, working with event-driven architectures, and scaling secure integrations, let’s talk.

• Architect and develop resilient microservices and secure REST APIs.
• Build background processing with Hangfire and event-driven flows via Rabbit
  
  MQ.
• Implement OAuth2/OpenID Connect, multi-tenant auth, and secure external integrations.
• Drive performance and reliability improvements using Redis, profiling, circuit breakers, etc.
• Manage end-to-end delivery with Docker/Kubernetes, CI/CD pipelines, and observability (logs, metrics, alerts).
• Lead code reviews, promote TDD, clean architecture, and mentor teammates.

• 4+ years in backend engineering; 3+ years using .NET Core in production environments.
• Strong experience with modular architectures like ABP, DDD, and CQRS.
• Proven track record building high-throughput, high-availability systems.
• Solid skills in SQL design and performance tuning.
• Hands-on with queues (Rabbit
  
  MQ), caching (Redis), and API Gateways.
• Comfortable working in containerized environments with Dev Ops tools and practices.

• Experience on large-scale government platforms or regulated systems.
• Familiarity with workflow engines, OpenAPI, gRPC, Graph
  
  QL, or event sourcing.

• Seniority level:
  Mid-Senior level
• Employment type:
  
  Full-time
• Job function:
  Information Technology
• Industries: IT Services and IT Consulting