Team Lead .Net (Karachi, Remote)

About the Role We are seeking an experienced .NET Core Backend Engineer with strong expertise in building cloud-native, distributed systems on Azure. The ideal candidate is proficient in asynchronous programming, data access optimisation, and resilient system design using modern patterns like Outbox, idempotency, and retries. You'll work on high-performance APIs, Durable Functions, and data pipelines, collaborating closely with architects and DevOps engineers to deliver reliable, scalable backend services. Key Responsibilities Design, develop, and optimize .NET Core (Minimal APIs) and Azure Functions (HTTP, Service Bus, Timer, Blob triggers, etc.) Implement asynchronous and parallel processing patterns using async/await, Task.WhenAll, cancellation tokens, and timeouts effectively Work with EF Core (SQL Server) to build efficient data access layers: Write optimized LINQ queries and projections Avoid N+1 query issues and leverage AsNoTracking for read-heavy operations Implement concurrency control and handle transactions gracefully Integrate and manage MongoDB for document-based storage scenarios Build and manage Azure Service Bus messaging (topics, queues, DLQs) with retry and idempotent processing Implement distributed system patterns (Outbox/Inbox, idempotency, retries, DLQ handling) Design clean and versioned APIs with proper pagination, filtering, and ETag support Collaborate with DevOps for CI/CD pipelines and infrastructure automation Ensure observability using Application Insights, structured logging, and telemetry Participate in design reviews, code reviews, and mentoring of junior developers Must-Have Skills Deep understanding of async/await, parallelism, and Task-based programming in C# Strong EF Core experience: Query optimization, projections, and set-based operations Managing concurrency tokens, tracking behavior, and transactional integrity Proven experience designing and maintaining Azure Functions (including Durable Functions) Experience implementing Outbox/Inbox patterns, idempotency, and message-driven architectures Solid grasp of API versioning, pagination, ETags, and RESTful design principles Hands-on experience with Azure Service Bus (topics, subscriptions, DLQs, message sessions) Proficiency with App Insights, structured logging, and performance monitoring Nice-to-Have Skills Experience with Sagas / Process Managers and long-running workflows Exposure to Terraform or Bicep for IaC (Infrastructure as Code) Experience leading CI/CD processes and pipelines (GitHub Actions, Azure DevOps, etc.) Familiarity with CQRS, event sourcing, or domain-driven design (DDD) principles Qualifications Bachelors or Masters degree in Computer Science, Engineering, or related field 5+ years of hands-on backend development experience in .NET Core Strong understanding of distributed system design and cloud-based architecture (preferably Azure) Work Location: Remote Working Days: Monday - Friday About HR Ways: HR Ways is an Award winning Technical Recruitment Firm helping software houses and IT Product companies internationally and locally to find IT Talent. HR Ways is engaged by 300+ Employers worldwide ranging from worlds biggest SaaS Companies to most competitive Startups. We have entities in Dubai, Canada, US, UK, Pakistan, India, Saudi Arabia, Portugal, Brazil and other parts of the world.