# Devendra Chauhan Senior Software Engineer — Web3 & AI Agent Infrastructure (4+ years) Email: chauhandevendra116@gmail.com Website: https://devendra116.com GitHub: https://github.com/Devendra116 LinkedIn: https://linkedin.com/in/devendra-chauhan ## Summary Senior Software Engineer at Fetch.ai building auditability and Web3 execution layers for autonomous agents. 4+ years shipping production smart contracts (20+ across EVM, Cosmos, NEAR) and agentic infrastructure that has secured and migrated millions in on-chain value. Core expertise: agent systems design, tamper-evident execution, cross-chain protocols, and end-to-end ownership. ## Skills Solidity, Rust, TypeScript, JavaScript, Python, SQL, Bash, Move, EVM, Cosmos, NEAR Protocol, Sui, Foundry, Hardhat, OpenZeppelin, ethers.js, web3.js, cosmpy, uagents, langchain, Eliza, MCP servers, Node.js, FastAPI, WebSockets, Blockchain indexers, Docker, AWS, GCP, GitHub Actions ## Work experience ### Senior Software Engineer @ Fetch.AI Jan 2026 – Present · Remote Company: https://www.fetch.ai - Building AEVS, an auditability layer for agents and workflows to track and validate tool execution using tamper-evident receipts. - Integrated Web3 execution capabilities into the ASI1 platform, enabling users to perform swaps, trades, price fetches, and on-chain activities directly from chat without exposing private keys via EOA wallet integration. - Built custom MCP servers for Uniswap V2/V3, token resolvers, and non-custodial transaction signing mechanisms. ### Software Engineer – DeX @ Fetch.AI Aug 2023 – Dec 2025 · Remote Company: https://www.fetch.ai - Built and deployed a production cross-chain bridge on mainnet (BSC → Ethereum), safely migrating $1.8M in MTLX tokens. Developed 3 smart contracts, complete backend infrastructure, and serverless execution layer. - Developed 15+ smart contracts across EVM (Solidity) and Cosmos (Rust) for an agent-based P2P OrderBook DEX protocol. Designed an escrow-based settlement layer, built off-chain agent matching system, and coordinated on-chain execution. - Built Node.js and Python backend systems with WebSocket integration for real-time orderbook updates coordinating agent logic and syncing on-chain/off-chain state. - Created custom blockchain indexers for EVM and Cosmos chains to track events and maintain cross-chain state consistency for agent decision-making and live trading graphs. - Stress-tested the system by simulating up to 5,000 concurrent agents to identify bottlenecks and inform architecture improvements. ### Software Engineer @ QSTN Mar 2023 – Aug 2023 · Remote Company: https://qstn.us/ - Built and deployed Rust-based NFT smart contracts on NEAR Protocol compatible with major marketplaces (Paras, Mintbase, Few-and-Far), supporting royalties and custom constraints. - Integrated Stripe payments for fiat-to-NFT purchases and launched a 1,000 NFT mainnet collection. - Implemented four wallet login flows ensuring seamless user onboarding and secure transactions. - Built a backend using TypeScript, Node.js, and MongoDB, set up CI/CD, and wrote tests with Jest. ### Junior Software Engineer @ Blockbelly (Invex) Apr 2022 – Feb 2023 · Remote - Built Rust smart contracts for tokenized index portfolios on NEAR; designed escrow-based settlement layer handling creation, trading, and on-chain execution. - Integrated with Ref Finance DEX using async cross-contract calls with fault-tolerant error handling. - Designed backend infrastructure with real-time price feeds ensuring accurate index valuation. ### Software Engineering Intern @ Future Ready Talent Sep 2021 – Jan 2022 · Remote - Built end-to-end cloud platform on Azure for video analysis: sentiment detection, behavioral polarity, person identification, and automatic caption generation for interview prep and public speaking coaching. - Designed production pipeline using Azure Blob Storage (video ingestion), Azure Video Analyzer (ML inference), and Azure Web Hosting (API deployment). ### Data Analytics & ML Intern @ VIT Jun 2021 – Sep 2021 · Remote Company: https://vit.edu.in/ - Built Power BI dashboard tracking student academic performance across departments; performed EDA, data transformation, and predictive modeling to inform institutional decision-making. Led team of 4. ## Projects & experiments ### Hum A minimal, ad-free terminal music player. No API keys. No subscriptions. No accounts. Just music. Tech: Rust, yt-dlp, mpv Link: https://github.com/Devendra116/hum ### Langchain-Keeperhub A Python SDK for agents and workflows to execute onchain actions and triggers without managing private keys or infrastructure like RPCs, gas pricing, retries, or execution handling. Tech: langchain, Keeperhub, TEE based key signing Link: https://pypi.org/project/langchain-keeperhub/ ### Ledge A Python SDK enabling agents to execute payments with policy guardrails: validates, signs, and audits every transaction before execution. 4-layer validation engine (technical → policy → coherence → behavioral) Tech: Python, Encrypted Signers, Policy Engine Link: https://github.com/Devendra116/ledge ### PotPuzzle A real-time multiplayer word game where players pay to reveal clues and race to solve puzzles, with the first correct answer winning the pot. Tech: Tempo (L2), MPP.dev, Passkeys, WebSockets, Node.js, Railway Link: https://potpuzzle.vercel.app/ ### Play11s A fully on-chain cricket gaming ecosystem where players mint unique team NFTs, trade them in a native marketplace, and compete in PvP matches with seamless Web2-style onboarding via account abstraction. Tech: Base (L2), ERC-4337, Account Abstraction, Thirdweb, ExpressJS, MongoDB, Razorpay, IPFS Link: https://play11s.com/ ### Tempo Playground A hands-on playground to experience Tempo’s real-world payment model: stablecoin gas fees, concurrent and scheduled transactions, and fee sponsorship using another stablecoin. Tech: Tempo (testnet), viem, Next.js Link: https://tempo-playground.vercel.app/ ### DeadMensWill A platform to ensures your digital assets are transferred to your loved ones if you pass away ;). Tech: React, Vercel, Lovable, Polygon Link: https://deadmanswill.vercel.app/ ### Xap Cross-chain USDC payment system enabling link-based transfers across blockchains without gas tokens or chain-specific accounts, leveraging Wormhole, Circle CCTP, and account abstraction. Tech: JavaScript, Rust, CCTP, Wormhole, Node.js, Express, React, MongoDB, Render, Netlify Link: https://www.producthunt.com/products/xap/launches/xap ### Random Joke Generator(BOS) A BOS component that shows random jokes. Tech: Near Protocol, BOS component, React Link: https://near.org/devendra116.near/widget/Random_Jokes ### Absolute Video Analyzer Video analysis platform using Azure services to extract sentiment, behavior, person identification, and captions from uploaded videos. Tech: Python, Django, Azure, Azure Blob Storage, Azure Video Analyzer, Requests Link: https://github.com/Devendra116/AbsoluteVideoAnalyzer ### EduChain A blockchain-powered e-learning marketplace with verifiable NFT certificates, decentralized storage via IPFS, and a full-stack app for certificate issuance and verification. Tech: Rust, JavaScript, NEAR Protocol, Node.js, Express, React, MongoDB, IPFS, NodeMailer Link: https://github.com/Devendra116/EduChain ### Localiyo A platform to share local updates and news, helping people discover nearby happenings and information about places based on area pincode. Tech: ExpressJS, MongoDB, HTML, CSS, Handlebars, JavaScript, Bootstrap, News API Link: https://github.com/Devendra116/Localiyo ### Virtual Assistant for Desktop Inspired by Jarvis, It is a voice-based Virtual Assistant to perform voice-based searches, multi-language translation, handling desktop applications, control volumes, Camera input, reminder, etc Tech: Python, OpenCv, PyQt5, pyttsx3, Wolframe, Alpha API Link: https://github.com/Devendra116/VirtualAssitant ## Site map (HTML pages) - Home: https://devendra116.com/ - Work: https://devendra116.com/work - Experiments: https://devendra116.com/experiments - About: https://devendra116.com/about - This file: https://devendra116.com/resume.txt - LLM guide: https://devendra116.com/llms.txt