Overview
Senior Backend Engineer - .NET and AI/MLBackend SystemsResponsibilitiesBackend EngineeringDesign, develop, and maintain backend services, REST APIs, and gRPC microservices using .NET Framework and .NET Core / .NET 8+ in C#.Build and evolve gRPC service contracts using Protocol Buffers (.proto), including streaming, error handling, and versioning across services and API gateways.Build and optimize data layers across SQL Server, MongoDB, and Elasticsearch, including indexing, query tuning, sharding, and relevance tuning.Apply DDD, CQRS, MediatR, and Minimal API patterns; structure code into Aggregate Roots, Commands/Handlers, and endpoints consistent with engineering conventions.Improve performance via caching, async patterns, distributed processing, and event-driven messaging.Build cloud integrations across AWS and Azure (compute, storage, queues, observability). Both clouds are equally important.Contribute to CI/CD pipelines, GitHub Actions workflows, automated testing, con...