Senior AI/ML Engineer
- Optum
- 10 - 15 years
- Hyderabad
- 20 days ago
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Job Description
Key Responsibilities
- Design and build production-grade RAG pipelines using LangChain and LangGraph for stateful agentic workflows.
- Develop and maintain knowledge base chatbots with semantic search, source attribution, and multi-turn conversation memory.
- Implement advanced retrieval strategies Hybrid Search (vector + keyword), HyDE, and Hierarchical / Small-to-Big chunking.
- Build and manage multi-agent orchestration architectures with Agentic RAG patterns (Corrective RAG, Self-RAG).
- Integrate LLMs (Claude, GPT-4o, Llama 3, Mistral) via API and open-source hosting (Fireworks AI, Groq).
- Design and operate vector databases Pinecone, Weaviate, or PGVector for semantic knowledge storage.
- Build AWS Bedrock-based solutions using Bedrock Agents, Knowledge Bases, and Guardrails.
- Set up evaluation frameworks using Ragas (faithfulness, relevance scoring) and maintain Golden Datasets for CI/AI testing.
- Implement LLM observability using LangSmith or Phoenix trace calls, debug hallucinations, monitor costs.
- Apply PII redaction pipelines on ingested documents and enforce data security using Model Context Protocol (MCP).
- Deploy AI backends using FastAPI and Docker with OpenTelemetry for system-wide monitoring.
- Collaborate with Solution Architects to produce HLDs, LLDs, and developer-facing documentation for AI components.
Qualifications
- Bachelor's or Master's degree in Computer Science, Artificial Intelligence, Data Science, or a related field.
- 8 12 years of overall software / AI engineering experience.
- 3+ years of direct hands-on experience building and deploying GenAI / LLM-based applications in production.
- Strong Python development skills primary language for AI engineering work.
- Demonstrated portfolio or project experience with RAG pipelines, vector databases, and agentic architectures.
- AWS Certified Cloud Practitioner or Developer Associate preferred. AI/ML Specialty strong advantage.
Job Classification
Industry: Analytics / KPO / ResearchFunctional Area / Department: Engineering - Software & QARole Category: Software DevelopmentRole: Software Development - OtherEmployement Type: Full timeContact Details:
Company: OptumLocation(s): Hyderabad
Keyskills: Generative Ai Langchain Amazon bedrock LLM Python NLP Langgraph Natural Language Processing RAG Amazon Lex Machine Learning
Optum
Careers at OptumIf you're going to change careers, why not look for an employer that's out to change everything? If you have that kind of appetite for change, Optum is the right place for you. As part of the growing UnitedHealth Group family of businesses, we're driving innovation and change a...
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