Lead AI back-end engineer architecting agent-driven platforms for Network Solutions’ digital identity and security products. Building scalable APIs, RAG systems, orchestration, and LLM observability.
Responsibilities
Set the technical architecture for an agent-powered platform using LLMs, retrieval technologies, agent frameworks, and microservice patterns
Drive architecture for high-throughput APIs using .NET, C#, Python 3.11+, FastAPI async, SQLModel, and Semantic Kernel
Lead multi-agent orchestration across handoff, sequential, parallel, and supervisor patterns
Guide implementation of Retrieval Augmented Generation on Azure AI Search, pgvector, Chroma, and equivalent platforms
Own end-to-end CI/CD pipelines, including linting, type checking, security scanning, testing, containerization, and deployment
Mentor and hire engineers and adopt AI coding agents such as Cursor and Claude Code
Champion observability and FinOps for LLM workloads using structured JSON logging, OpenTelemetry tracing, Langfuse, evaluation frameworks, and cost dashboards
Partner with Product and Security to translate business goals, compliance requirements, AI capabilities, and user feedback into a technical roadmap
Steer the core intelligence behind AI products serving millions of users while maintaining reliability, security, governance, and economic standards
Requirements
7+ years building and scaling production backend systems
2+ years in a technical lead, staff, principal, or equivalent role
Expert REST API design and development using Python FastAPI or .NET C# APIs
Strong experience with dependency injection, middleware, profiling, performance optimization, and distributed systems
Hands-on leadership experience with Semantic Kernel or equivalent agent and LLM frameworks
Production experience with agent orchestration, tool calling, structured outputs, and multi-step workflows
Delivered at least one production RAG system or pipeline using a vector or hybrid search platform such as Azure AI Search, pgvector, Chroma, or equivalent
Deep PostgreSQL expertise plus SQLModel, SQLAlchemy 2, and Alembic migrations at scale
Experience integrating multiple frontier and cost-optimized model providers, including model routing, structured output, reasoning, tool calling, and fallback strategies
Fluency with Poetry, Docker, GitHub Actions, Azure DevOps, Jenkins, or Argo
Infrastructure as code fundamentals and blue-green or canary release strategies
Strong people leadership through code reviews, architectural guidance, technical mentoring, roadmap planning, hiring, and cross-team communication
Nice to have: message queue and event-driven architectures using RabbitMQ, Kafka, Azure Service Bus, or equivalent
Nice to have: GPU inference fleets, self-hosted open-weight models, or serverless model hosting
Nice to have: model gateways, intelligent model routing, MCP, agent interoperability, prompt caching, and LLM cost optimization
Nice to have: automatic evaluation pipelines, agent evaluations, LLM-as-judge techniques, safety guardrails, and cost-aware prompt and context engineering
Benefits
Work-life balance
Diversity and inclusion programs
Learning and development opportunities
20+ affinity groups for networking and connection
Competitive HMO benefits – 175k MBL with one free dependent upon one year of service
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