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SirjanSingh/README.md

YOOOOO

Sirjan Singh

ML/AI Engineer · LNMIIT '27 · Former Research Intern, King's College London

LinkedIn GitHub LeetCode Codeforces CodeChef Email

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About Me

B.Tech Computer Science at The LNM Institute of Information Technology (LNMIIT), Jaipur, graduating May 2027 (GPA 7.57/10).

I work in machine learning and AI engineering: LLM agents and evaluation, multi-agent reinforcement learning, and RAG / hybrid-search systems, with production full-stack experience. I build and ship end to end: model fine-tuning, evaluation harnesses, APIs, and tooling.

Experience

  • King's College London · Visiting Research Intern, completed Jun to Jul 2026: ViT/CLIP for skin-lesion classification with clinical metadata
  • AARM Health Inc. · AI & Full Stack Intern (Apr to May 2026): built Maya, an LLM medical assistant with intent classification + agentic pipeline; shipped full-stack
  • Cloudsprint Technologies (Trovex.ai) · Software Development Trainee (Jun to Jul 2025): React.js components and REST API integrations for production apps
  • LNMIIT (LUSIP) · Research Intern under Dr. Preety Singh (Summer 2024): Selenium + ETL over 6,000+ Reddit pairs; neural sentiment classifier

Highlights

1st Place (Arize) Google Cloud Rapid Agent Hackathon: Cassandra · $5,000 prize
Top 100 Meta × PyTorch × Scaler OpenEnv Hackathon: multi-agent RL with GRPO + LoRA on Qwen2.5-3B
Organizer CTRL+SPACE National Hackathon (Unstop): 1,600+ participants, Rs. 1 Lakh prize pool
Competitive Programming Codeforces Specialist (1464) · LeetCode Knight (1857) · problem setter

Projects

  • Cassandra: 8-stage meta-agent supervising LLM agents via Arize Phoenix telemetry; catches hallucinations, drift, and tool failures in under 10s · cassandra-mcp (5 tools)
  • SurviveCity: OpenEnv multi-agent survival env (14 actions, 15 rubrics) · GRPO+LoRA fine-tune · mean survival 0.15 → 0.60 (~4×)
  • Contextual: Repo-aware Q&A with per-chunk citations · BM25 + FAISS + cross-encoder reranking · retrieval F1 +30% · CLI, web app, VS Code extension
  • NutriNani: GenAI wellness app shipped live on AWS serverless (Lambda, DynamoDB, Bedrock, Gemini)
  • Pathway Intelligence: Real-time supply-chain intelligence platform · 5 microservices · team project
  • RawCrop: RAW image preview & crop tool · React + FastAPI · sub-second workflow for NEF/CR2/ARW/DNG

Tech Stack

Python PyTorch HuggingFace FastAPI React Next.js TypeScript AWS Docker FAISS

Activity

Contribution Graph (last 90 days)

Contributions

GitHub contributions snake

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  1. Contextual Contextual Public

    Python

  2. cassandra cassandra Public

    Python 12 5

  3. nutrinani nutrinani Public

    TypeScript 1

  4. zombiee zombiee Public

    Jupyter Notebook

  5. btp btp Public

    Python