# Prathmesh Ranjan
> Backend, Blockchain, and Agentic AI Engineer with 2+ years of experience building high-throughput data platforms, real-time exchange infrastructure, multi-tenant financial ledgers, and autonomous LLM workflows. Ingestion pipelines sustained at 120M events/day (nearly 1B total events), 2.4 TiB storage reclaimed, 20+ chains integrated, and four ETHGlobal prize tracks won. Currently pursuing an M.S. in Financial Engineering at WorldQuant University.

- Email: prathmeshranjan@gmail.com
- GitHub: https://github.com/PrathmeshRanjan
- LinkedIn: https://linkedin.com/in/prathmesh-ranjan
- Full Context: https://prathmesh.dev/llms-full.txt

## Professional Experience

- **Sodality** (Jul 2026 – Present | Remote)
  *Lead Backend & AI Engineer / AI & Blockchain Engineer*
  - Leading engineering for Ledgends, a LINE-native household financial-learning platform.
  - Architected secure multi-tenant backend in TypeScript, NestJS/Fastify, and PostgreSQL with strict tenant isolation, guardian permissions, and consent controls.
  - Engineered double-entry ledger handling exact THB and virtual-value balances, OCR receipt processing, payment evidence, and replaceable EVM blockchain anchoring.
  - Structured modular, cloud-portable architecture deployable across DigitalOcean and Alibaba Cloud.

- **Hashmark Labs (Assymetrix)** (Mar 2026 – Jul 2026 | Remote)
  *Backend & Data Infrastructure Engineer / Blockchain & Backend Engineer*
  - Prediction-market data platform aggregating Polymarket, Kalshi, and Limitless; ingested live trades, order books, and lifecycle events across venues.
  - Dual Subsquid (SQD) and Goldsky indexers on Polygon; indexed nearly 1 billion events into PostgreSQL via canonical TypeScript/NestJS write paths.
  - Platform-agnostic 2-level PostgreSQL normalization schema unifying heterogeneous venue formats into canonical models.
  - Tuned PostgreSQL/TimescaleDB ingestion sustaining ~120M events/day across 6 schemas with >3x throughput improvement.
  - Hypertable storage policies: compressed 379 chunks with zero failures, reclaiming ~2.4 TiB (4.3 TiB down to 1.9 TiB, 56% cut).
  - Sub-second Redis pub/sub and Socket.io fan-out; PM2, Grafana, and Prometheus observability.

- **GPUNET (GVEX)** (Nov 2025 – Mar 2026 | Bengaluru, India)
  *Backend Engineer & Product Lead / Blockchain Backend Engineer*
  - Architected GVEX (TypeScript, Hono, PostgreSQL, Redis), a hybrid perpetual DEX aggregating native and Hyperliquid liquidity with up to 50x leverage.
  - Production trading REST API with JWT wallet auth, real-time SSE price/order streams, market/limit/TP-SL/reduce-only orders, and cross/isolated margin.
  - Integrated Hyperliquid HIP-3 equity, commodity, and FX markets; multi-chain token flows across 20+ chains via LI.FI and Alchemy webhooks.
  - Autonomous Telegram AI trading assistant using Gemini and Groq for natural-language trade execution, technical indicators (RSI, MACD, Bollinger Bands), and AES-256-GCM encryption.
  - Integrated native chain and GVEX with DeFiLlama for public TVL reporting.

- **GlueX Protocol** (Aug 2024 – Jul 2025 | Remote)
  *Software Engineer / DeFi Software Engineer*
  - Integrated 40+ DeFi protocols (Compound v3, DODO v2, Morpho) across 12+ EVM chains into solver framework; replicated AMM logic in Python.
  - Tenderly-backed end-to-end testing framework verifying off-chain financial math against on-chain simulations for data integrity.
  - Hourly AWS Lambda ETL pipelines indexing blockchain events; managed production RDS and DynamoDB datasets (SQL, Pandas, SQLAlchemy).
  - Led and mentored team of nine engineering interns.

- **PYOR** (Jul 2024 – Aug 2024 | Remote)
  *Protocol Researcher & Writer*
  - Qualitative and quantitative research on Solana restaking, Bitcoin scaling economics, and market structure.
  - Traced Solayer deposit growth from $23.5M to $100M+ in under two months; evaluated pool mechanics, LST composition, and stake-weighted QoS vs EigenLayer.
  - Authored 2-part Bitcoin scalability series assessing blockspace congestion, Lightning liquidity, BitVM, Stacks, and L2 rollups.

- **QuillAudits** (Apr 2024 – Jul 2024 | Remote)
  *Web3 Security Researcher & Writer*
  - Reconstructed $1.6M multi-chain exploit across Ethereum, Arbitrum, and Optimism (Pike Finance postmortem on storage-layout corruption and initializer reactivation).
  - Authored end-to-end technical guide to EVM storage layout, delegatecall mechanics, and proxy upgrade security (55+ GitHub stars).

## Selected Builds & Writing

- **Synapse** (https://synapsetrading.net/): Model-agnostic financial research harness testing LLM reasoning under live market conditions with lookahead-bias prevention, conviction sizing, and paper trading (Python, FastAPI, Next.js, LangGraph, MCP).
- **degenOS** (https://ethglobal.com/showcase/degenos-i529f): Decentralized OS on Cartesi Rollups with Avail DA, EIP-712 signing, and ENS identity. Won 4 ETHGlobal prize tracks.
- **AgentPress** (http://ec2-13-235-67-247.ap-south-1.compute.amazonaws.com:8001/): Multi-agent writing pipeline benchmarked against matched one-shot LLM baseline across 3 paired topics (+667% tokens, +323% latency, +426% cost).
- **Agentic HR Policy RAG** (https://github.com/PrathmeshRanjan/agentic-rag): Reproducible RAG benchmark across 18 configurations on 40 questions: 100% Hit@5, 0.975 MRR@5, reranking +7.2 pp Hit@3 at 160ms p95.
- **AI PR Review Agent** (https://github.com/PrathmeshRanjan/ai-pr-review-agent): Asynchronous GitHub PR review service with HMAC SHA-256 webhooks, four parallel LangGraph reviewers, pgvector/Qdrant RAG, and HITL escalation.
- **Gasless Soulbound Membership Rewards** (https://gasless-soulbound-membership.vercel.app/): Full-stack ERC-4337 account abstraction platform with UUPS contracts, Safe treasury, and Foundry invariant tests.
- **Real-World Assets (RWA) Reference** (https://github.com/Quillhash/Real-World-Assets-RWA): 95 stars, 23 forks. ERC-20/721/1400 tokenization, AAPL equity token overcollateralized in ETH, Chainlink oracles.
- **Cross-Chain Rebase Token** (https://github.com/PrathmeshRanjan/cross-chain-rebase-token): Interest-bearing vault rebase tokens transferred across chains via Chainlink CCIP.
- **Decoding the Pike Finance Exploit** (https://quillaudits.medium.com/decoding-pike-finance-exploit-quillaudits-40a1662d3f8a): Forensic postmortem of $1.6M multi-chain exploit.
- **Smart Contract Proxies and Their Security** (https://github.com/Quillhash/Proxies-Security): 55+ stars guide to EVM storage, delegatecall, and proxy upgrade patterns.

## Education

- **M.S. Financial Engineering** — WorldQuant University (Online | Expected October 2027)
  *Coursework:* Financial Markets, Financial Econometrics, Derivative Pricing, Stochastic Modelling, Machine Learning, Deep Learning, Portfolio Management, Risk Management.
- **B.E. Electronics & Communication Engineering** — The LNM Institute of Information Technology (Jaipur, India | May 2025)
  *Coursework:* Data Structures and Algorithms, Computer Networks, Blockchain & Smart Contract Security, Mathematics, Electronics.

## Technical Skills

- **Languages:** TypeScript, Python, Solidity, JavaScript, SQL, Java, Bash, Move
- **Backend & APIs:** Node.js, NestJS, Fastify, Hono, FastAPI, Uvicorn, REST, WebSockets, SSE, Socket.io, Webhooks (HMAC SHA-256), JWT, Pydantic, Microservices
- **Databases & Storage:** PostgreSQL, TimescaleDB / TigerData, Redis, DynamoDB, MongoDB, SQLite, pgvector, Qdrant, Pinecone, ChromaDB, PostgreSQL RLS, Kysely, TypeORM, SQLAlchemy
- **AI & Agentic Systems:** LangGraph, LangChain, Multi-Agent Systems, Agentic AI, Model Context Protocol (MCP), Tool Calling, RAG, Cross-Encoder Reranking, HITL, LLM Evaluation, Gemini, Groq, Mistral, Whisper, Sarvam AI
- **Blockchain & Web3:** Ethereum/EVM, Polygon, Sui, Foundry, ethers.js, web3.py, ERC-4337, ERC-1155, EIP-712, UUPS, Chainlink CCIP, Subsquid (SQD), Goldsky, LI.FI, Safe, Tenderly
- **Financial Systems & Quant:** Double-Entry Ledgers, Exchange Infrastructure, Trading APIs, Order Books, Perpetuals (up to 50x leverage), Prediction Markets, Paper Trading, Risk Controls, Cross-Border Rails, Financial Econometrics
- **DevOps & Cloud:** AWS (Lambda, RDS, DynamoDB, CloudWatch, EC2), DigitalOcean, Alibaba Cloud, Docker, GitHub Actions, CI/CD, PM2, Grafana, Prometheus