INDIA • 12:00 PM

Hi, I'm Harsh Vardhan Singh

frontend • backend • ai & agentic systems

Open to work

I'm a software engineer and builder who enjoys taking ideas from a blank screen to production. I care about understanding how things work under the hood. I'm happiest when I'm learning something new, building something challenging, and shipping it to real users.

Available for full-time roles, contract work, and freelance projects. Reach out via email or connect below.

[ GitHub ↗ ][ LinkedIn ↗ ]𝕏[ X / Twitter ↗ ][ Resume ↗ ]

Recent Activity(@BerrySeriousCoder)

Repos

Harsh Vardhan Singh Official GitHub Contribution Graph

[ Places I've Made an Impact ]

Full Resume (PDF)

UnderAI

Full-Time

Software Developer

Oct 2025 — Present

Remote / Delhi NCR

Leading AI systems development, agentic workflows, and document intelligence pipelines for enterprise risk & RFQ automation.

❯Built a multi-agent risk intelligence system performing live industry research, document parsing, and hazard analysis—enabling clients to upsell relevant coverages by 50%+ and accelerating deal closure.

❯Architected an AI document analysis pipeline ingesting and correlating historical policy data, exposure documents, and inspection reports to extract structured business-critical information.

❯Built a multi-stage agent orchestration workflow using LangChain and LangGraph for document understanding, rule-based reasoning, and decision synthesis.

❯Designed an AI-powered RFQ automation system with an interactive spreadsheet-style playground, cutting manual RFQ creation time from ~140 hours to ~15 minutes.

LangChainLangGraphMulti-Agent AINext.jsTypeScriptPythonDocument IntelligenceRFQ Automation

Freelance & Contract Work

Contract / Freelance

Full-Stack & AI Systems Developer

2024 — Present

Remote

Partnered with independent clients and early-stage startups to deliver high-converting web applications, custom AI integrations, and full-stack platforms.

Next.jsReactNode.jsExpressC++PythonTailwind CSSPostgreSQLVertex AI

[ Tech Stack ]The tools behind my builds

Frontend & Frameworks[6]

Next.jsReactTypeScriptTailwind CSSFramer MotionRedux

AI & Systems[6]

LangChainLangGraphGemini VisionVertex AIPythonC++

Backend & Databases[6]

Node.jsExpress.jsPostgreSQLMongoDBPrismaDocker

[ Things I've Built ]

FEATURED AI

Vitch.AI — AI Agentic Video Editor

Browser-based, AI-assisted nonlinear video editor combining multi-track editing, WebGPU preview compositor, FFmpeg export, and an AI Creative Director.

Next.jsTypeScriptAI AgentsWebGPUPythonFFmpeg

Demo GitHub

AI ARCHITECTURE

Ocular — AI Document Verification Engine

Extract text from PDFs, send to LLMs, and automatically highlight AI responses back to their exact position in the PDF with ZERO 2nd LLM call latency.

TypeScriptPythonPDF EngineLLMsZk-Proof Attribution

Demo GitHub Article