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hemanthtr954/README.md

Hi, I'm Hemanth 👋

Senior AI/ML Engineer · 6+ years building production GenAI platforms, LLM systems and the backend and data infrastructure underneath them.

I design LLM-powered applications that hold up in production: multi-provider routing with fallbacks, safety guardrails, evaluation you can trust, and cost and latency budgets that survive real traffic.

  • 🔭 Currently building enterprise-scale GenAI and LLM systems on GPT and Azure OpenAI, focused on reliability, latency and cost
  • 🎓 MS in Information Technology, University of North Carolina at Greensboro · AWS Certified Solutions Architect
  • 💼 Open to roles in AI/ML Engineering · Generative AI · LLM Systems · Backend & Platform Engineering

Featured projects

Project What it does Stack
llm-gateway OpenAI-compatible proxy that routes across OpenAI, Anthropic and Groq, tracks cost per team, enforces rate limits and serves repeats from a semantic cache — with no client code changes Python · FastAPI · Redis · Prometheus · Docker
rag-platform Multi-tenant RAG with hybrid retrieval (dense + BM25 + RRF), per-org isolation, citations and confidence scores, LLM-as-judge evals and hallucination detection Python · FastAPI · Qdrant · Postgres · Langfuse
agent-framework Agentic workflow engine: ReAct and planner agents, sequential / parallel / hierarchical / router orchestration, three-tier memory, dynamic tool registry Python · FastAPI · OpenAI
contract-review-agent Fault-tolerant multi-agent pipeline for contract review: stage checkpointing and resume, confidence-gated human review, full audit trail Python · FastAPI · SQLAlchemy · Postgres · OpenAI
ml-platform Full ML lifecycle: experiment tracking, LoRA/QLoRA fine-tuning, feature store with point-in-time joins, model registry, drift detection (PSI / KL / KS), LLM safety evals Python · FastAPI · OpenAI
loop-pulse Engineering insights from git history: truck factor and knowledge risk, contributors, activity trends, plus an LLM narrative whose every number is checked against the data TypeScript · Fastify · SQLite · React · Docker

All projects are tracked on the AI/ML Engineering Portfolio project board.


What I work with

GenAI & LLMs — prompt engineering, model routing and fallbacks, RAG (hybrid search, re-ranking), agents and orchestration, LoRA/QLoRA fine-tuning, evaluation and safety, LangChain, Azure OpenAI

Backend — Python, Java, FastAPI, Spring Boot, REST and GraphQL APIs, microservices, event-driven systems

Data — Spark, Airflow, AWS Glue, SQL, real-time pipelines, vector databases (Qdrant, Chroma)

Cloud & ops — AWS (Lambda, Step Functions, ECS, SQS, EventBridge), GCP, Docker, Kubernetes, Terraform, CI/CD, Prometheus, MLflow


Impact highlights

  • 💸 Reduced LLM operational costs by 30% through optimization strategies
  • 🛡️ Improved system reliability and cut MTTR by 40%
  • ⚡ Reduced data latency by 35%, increased ingestion throughput by 45%, and improved pipeline and query efficiency by 30%+

📫 Connect with me on LinkedIn (link in the sidebar), or open an issue on any project.

Pinned Loading

  1. llm-gateway llm-gateway Public

    Production LLM gateway: multi-provider routing, circuit breakers, prompt injection guard, Prometheus metrics

    Python

  2. rag-platform rag-platform Public

    Production RAG: hybrid search (dense+BM25+RRF), LLM-as-judge eval harness, hallucination detection, regression testing

    Python

  3. agent-framework agent-framework Public

    Production agent framework: ReAct loop, multi-agent orchestration, three-tier memory, dynamic tool registry

    Python

  4. ml-platform ml-platform Public

    Production ML lifecycle platform: experiment tracker, LoRA fine-tuning, feature store, model registry, drift detection, LLM safety evals

    Python

  5. contract-review-agent contract-review-agent Public

    Fault-tolerant multi-agent pipeline for contract review — stage checkpointing, confidence-gated human review, full audit trail

    Python

  6. loop-pulse loop-pulse Public

    Engineering insights from git history: knowledge risk, contributors, activity and an evidence-checked LLM narrative.

    TypeScript