/// PORTFOLIO_2026

Rohit
Purkait

Developer Advocate · AI Engineer · Founding Engineer.
Building at the intersection of AI agents, developer experience, and Web3.

PayMesh

x402 payment infra for AI agents

"Stripe for AI Agents." One-line middleware monetizes any API with HTTP 402 micro-payments on Base. Agents pay, receive proof headers, and retry automatically. ENS-based merchant identity + agent-discovery marketplace.

$ paymeshNext(request, {
price: '0.005', payTo: '0x...'
})
# 402 → agent pays USDC → unlock
Next.js Solidity Base USDC ENS x402 Viem
🏆 PL_Genesis

Yoldr ↗

yoldr.vercel.app · Principal-protected DeFi on Flow

You Only Lose (the) yield, Really. Zero-coupon bond math locks principal on-chain; only accrued yield funds leveraged positions on BTC, ETH, and FLOW. Principal survives any losing trade. Won PL_Genesis hackathon by Protocol Labs.

vault: principal LOCKED
yield : → shield positions (1x–5x)
loss : yield absorbs, principal safe
pets : Griffin · Dragon · Phoenix · Narwhal
Cadence Flow Next.js FCL Three.js

InitCode ↗

initcode-eta.vercel.app · Browser IDE for CosmWasm

Browser-based IDE for CosmWasm smart contract development on Initia, eliminating local toolchain setup entirely. Monaco editor, AI ghost-text completions, in-IDE CosmWasm chat assistant, one-click testnet deployment.

$ initcode --new contract
editor → Monaco (VS Code-grade)
ai → Gemma 4 inline completions
deploy → Initia Testnet, one click
Next.js 16 Monaco Gemma 4 CosmWasm Initia

CrossShield

Polkadot Solidity Hackathon · Principal-protected RWA vaults

Principal-protected DeFi vaults on Polkadot Hub with cross-chain RWA exposure (Gold, BTC, Real Estate). AI-driven transaction risk interception, XCM cross-chain routing, and ink! PVM risk contract.

deposit $1,000 USDC
reserve $952.38 → locked (PV math)
yield $47.62 → RWA shield (up to 50x)
risk claude-sonnet intercept pre-tx
Solidity ink! / Rust XCM Polkadot Claude API

FoundrProof ↗

founderfluencer.vercel.app · X profile → founder score

AI-powered X (Twitter) profile analyzer. Scores founder potential across 5 traits, assigns archetype, generates a roast, suggests 3 startup ideas, and produces a shareable founder card.

archetype The Hacker-Visionary
score 8.4 / 10
rarity Legendary
co-founder → operator + sales
Next.js 16 GPT-4o twitterapi.io Recharts

ENSPay

Receiver-controlled crypto payments via ENS

Payers send funds with only an ENS name — routing, token, preferred chain, and privacy are resolved from ENS text records automatically. Stealth mode, QR terminal, Uniswap V3 swap, Across bridge.

$ pay rohit.eth 50 USDC
resolve → enspay.token=USDC, net=base
route → UniV3 swap → Across bridge
deliver → USDC on Base ✓
Next.js ENS Uniswap V3 Across wagmi

Briefd

AI scoping tool for freelancers

Upload a client meeting recording → get a polished scope document, PRD, and wireframe outline in minutes. Whisper transcription, Gemini extraction, Claude generation. Private client review link for approval.

input meeting.mp3 (up to 500MB)
step_1 Whisper → transcript
step_2 Gemini → requirements
step_3 Claude → scope + PRD
FastAPI React Claude Whisper Supabase

Will.eth ↗

Reactive inheritance protocol on Somnia

Dead-man's-switch inheritance protocol — beneficiaries watch payouts land in real-time the moment the will executes via Somnia Reactivity, no polling. On-chain allocation, live status transitions.

owner misses check-in
WillExecuted → fired on-chain
cards WAITING → INCOMING → RECEIVED
latency real-time, no refresh
Solidity Somnia wagmi Framer Motion

SlashFill

Chrome Extension · /commands in any text field

Type /commands in any browser text field to instantly insert saved snippets, links, emails, and templates. Fully offline, no backend, no LLM. Syncs across devices via chrome.storage.

user types: /email
match → "rohitpurkait001@gmail.com"
insert → instant, offline, zero latency
sync → chrome.storage.sync
Chrome Extension Manifest V3 Vanilla JS
🏆 SEBI Hackathon

PredictRAM Platform

Financial research automation · SEBI registered

Financial research automation platform built with a SEBI-registered analyst. Led a team of 20 to deliver a web + cross-platform mobile app for investors and advisors. Won Jury Recommendation Award.

team 20 engineers
outputs web + mobile (cross-platform)
result Jury Recommendation Award
org SEBI national hackathon
React Python REST APIs JavaScript
BlokCapital Jan 2026 — Present
Developer Relations Engineer
  • Own developer experience end to end: onboarding docs, SDK guides, quickstart templates, and code examples that cut time-to-first-integration for external builders.
  • Represent the protocol at Web3 conferences, hackathons, and ecosystem events; run technical workshops and live demos that drive developer adoption.
  • Surface developer pain points to product and engineering, spec tooling improvements, and ship open-source reference implementations that unblock ecosystem projects.
Orbitxpay Jan 2025 — Dec 2025 · Remote
Senior Backend Developer
  • Joined as an early engineer and owned backend architecture for a neobanking stack: payments engine, neocard issuance layer, and partner-specific banking modules serving multiple institutions.
  • Built ETL pipelines and a real-time analytics system powering ranked dashboards and card performance metrics; reduced reporting latency by ~60%.
  • Designed Web3 + financial API integrations for seamless on-chain/off-chain workflows, improving transaction reconciliation accuracy across the platform.
TypeScript NestJs PostgreSQL MongoDB Viem Solidity ETL
Metaborong May 2024 — Jan 2025
Full Stack Developer
  • Built React/Next.js interfaces with complex business logic, reusable component libraries, and accessible UI patterns; iterated rapidly with product and design to improve core user flows.
TypeScript Next.js React Tailwind CSS
PredictRAM Jul 2022 — May 2024 · Part-Time
Software Developer I
  • Built a financial research automation platform with a SEBI-registered analyst. Won the Jury Recommendation Award at a SEBI national hackathon.
  • Led a team of 20 to deliver a web and cross-platform mobile app for investors and advisors.
JavaScript React Python
🏆 EthGlobal 2025 — Winner
Global Ethereum hackathon winner across hundreds of competing international teams.
2025
🏆 PL_Genesis: Frontiers of Collaboration — Winner
Protocol Labs hackathon. Built Yoldr — a live principal-protected DeFi vault where only accrued yield funds leveraged positions; principal is always protected.
2025
🏆 SEBI National Hackathon — Jury Recommendation Award
Jury Recommendation Award at a national-level hackathon organised by the Securities and Exchange Board of India.
2023
Postman Student Leader & Expert
Developer Ambassador for HelaLabs and Postman · Certified MERN Stack Developer · IBM Data Visualization Using Python.
2022–24

AI / LLM

RAG LLM Agent Pipelines MCP Prompt Engineering Vector Search Multi-agent Systems Agentic Workflows LLM Orchestration

Web3 & Blockchain

EVM Flow / Cadence Polkadot / XCM Smart Contracts DeFi ENS Cross-chain Foundry

Languages

TypeScript JavaScript Python Solidity Cadence Rust

Frameworks & Tools

Next.js React NestJs FastAPI Viem / Wagmi MongoDB PostgreSQL Supabase
Indian Institute of Technology Madras
Bachelor of Science in Data Science
GPA 9.2 / 10 2022 — 2025
Techno Main Saltlake
Bachelor of Technology in Electrical Engineering
GPA 8.6 / 10 2020 — 2024

Building something on
AI or Web3?

Looking to collaborate, explore developer relations opportunities, or just want to talk about agentic systems and on-chain infra — reach out. I respond fast.

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