Jobs · Engineering · Illinois

.Net Fullstack Developer

Mphasis · Illinois, United States · 3 mo ago
On-siteEngineeringFull-time

Core Responsibilities

  • Architect highly available, resilient microservices using .NET 8/9.
  • Optimize for high throughput and low-latency inference.
  • Good understanding of Event Driven Architecture, catering to both real-time and non-real-time needs, using message brokers like Solace, SQS, Kafka, etc.
  • Familiarity with AWS Serverless architecture.
  • Design the backend logic for Retrieval-Augmented Generation (RAG), managing the lifecycle of vector embeddings, data ingestion, and prompt templating.
  • Develop and maintain high-performance MCP servers to standardize data access and tool-calling across multiple LLM providers.
  • Manage complex state transitions and data flows between relational databases (AWS Neptune - Graph DB), vector stores (OpenSearch), and distributed caches (Redis).
  • Define contract-first development standards using SSE and REST, ensuring seamless integration between backend AI services and external consumers.

Nice to Have

  • Exposure to LangChain MCPSharp / ModelContextProtocol.SDK libraries
  • ML.Net

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