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AYUSH-148/README.md

Ayush Negi

Backend & AI engineer. Recent IT graduate from ABV-IIIT Gwalior.

Previously interned at CoinSwitch (India's largest crypto platform), building distributed backend services for their F&O trading exchange and security infrastructure. Before that, built real-time conversation intelligence at Profimatix.AI.

What I work on

  • Backend & distributed systems — built 4+ production services handling trade movement, liquidity, and ledger entries at CoinSwitch
  • AI agent infrastructure — contributed to a production MCP gateway giving LLM agents secure access to internal tools (Grafana, OpenSearch, Bitbucket) via OAuth 2.1 & SAML
  • RAG systems & LLM evaluation — built a self-healing RAG agent that reduced hallucination rate from 5.9% → 0.0% with a deterministic eval pipeline and CI gate
  • Voice AI — built with Vapi, ElevenLabs (Flash v2.5, multilingual_v2), and Recall.ai

Featured projects

Project What it does
Self-Healing RAG LangGraph agent that self-critiques and retries its own answers. Hallucination rate 5.9% → 0.0%, with a golden-set eval pipeline in CI. Runs locally on Ollama.
MediFlow Assistant Hybrid GraphRAG medical assistant — vector retrieval + TF-IDF + knowledge graph, merged via Reciprocal Rank Fusion. PII redaction, semantic caching, Langsmith observability.
Threads Full-stack social platform with a write-time notification pipeline: transactional outbox → Redis Streams → SSE. Idempotent delivery, Redis Streams chosen over Kafka based on actual retention needs.

Stack

Languages: Python, Go, TypeScript/JavaScript, C++, SQL

AI/LLM: LangChain, LangGraph, Langsmith, Ollama, Hugging Face, RAG, MCP, Vapi, ElevenLabs, Recall.ai

Backend: Node.js, Express, FastAPI, Flask, gRPC, PostgreSQL, MongoDB, MySQL, Redis, Kafka, RabbitMQ

Frontend: React, Next.js, Tailwind, Redux, Jest/RTL

Cloud & Infra: AWS (EC2, S3, ELB, Lambda), Docker, GitHub Actions

Competitive programming

  • LeetCode Knight — 1900+ rating, 750+ problems solved
  • Global rank 323 — LeetCode Biweekly Contest 135

Links


Building systems that survive production, not just demos.

Pinned Loading

  1. DB-Explorer-MCP DB-Explorer-MCP Public

    MCP server for read-only database intelligence: schema exploration, natural-language queries, EXPLAIN analysis, index suggestions. PostgreSQL / MySQL / SQLite. Zero LLM dependencies.. For remote mc…

    Python 4 1