Overview

Senior Backend Engineer - .NET and AI/ML

Backend Systems

Responsibilities

• Backend Engineering
  • Design, 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)....