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Shekhar Kumar

Shekhar Kumar · Senior Software Engineer · Backend & AI infrastructure · Bengaluru

I build the backend systems AI products run on.

4+ years shipping production systems in TypeScript, Go and PostgreSQL. Recently: NeatCode, GPU inference across pods, and Fleet for agent evaluation.

shipping production backends
4+ years
chat messages a day (Ivorie)
10k+
indexed in 3.8s (NeatCode)
131k LOC
answer relevance from RAG
+25%
Open source · Active · @neatcodeai/cli

NeatCode

Open-source engine that indexes TypeScript codebases into a SQLite code graph and serves it to coding agents over MCP.

to index 131k LOC
3.8s
structural queries
<300ms
incremental re-index
0.49s

Case study GitHubnpm

  • routes (app/)
  • components/
  • content/
  • lib/

66 files · 127 links · indexed in 1.3s

Pick a question to light up the answer in the graph.

This website, indexed by NeatCode — real graph, not a mock-up.

Now building

Selected work

All projects →
Work · Shipped

Distributed speech-to-image pipeline

Live narration in, illustrated story panels out, fanned out across a fleet of GPU pods.

scene candidates rendered in parallel
3
GPU instances in production
4
tests
115

Python · FastAPI · Celery · Redis · PostgreSQL · MinIO · ComfyUI · WebSockets · AWS EC2 GPUs

Work · Shipped

Fleet

GitHub and Booking.com rebuilt as environments for agent evaluation and RL.

RL environments · Agent evaluation

Work · Shipped

Generative AI platform

Model routing, tool calling, a custom MCP server, and RAG over vector databases.

response relevance (RAG)
+25%

LangChain · MCP · Vector databases · RAG

Work · Shipped

Ivorie

Backend for a three-sided wedding marketplace: real-time chat, milestone payments, vendor payouts.

users
5k+
messages a day
10k+

NestJS · Socket.IO · Redis · PostgreSQL · Prisma · Stripe Connect · Expo React Native · Next.js · AWS

Side project · Shipped

Multi-tenant AI app platform

One Go + TypeScript backend serving several consumer AI apps, isolated per tenant, shipped with blue-green deploys.

apps on one backend
2
LLM providers
3
commits, ~80% mine
289

Go · Gin · GORM · PostgreSQL · pgvector · Redis · TypeScript · LangGraph · OpenTelemetry · GitHub Actions

  1. Aug 2022 – present

    Senior Software Engineer, Pure Billion Technologies

    Mumbai, IN · Remote

    AI infrastructure, GPU inference, agent evaluation and marketplace backends.

  2. Feb 2022 – Aug 2022

    Software Engineer I, Invest With Tribe

    Chandigarh, IN · Remote

    Stocks investment platform used by 1k+ users.

Contact

Building something that has to work in production?

I'm happy to talk about backend and AI infrastructure roles, or a hard systems problem you're stuck on.