Backend & Smart Contract Engineer
India
Backend & Smart Contract Engineer with 4+ years of experience building production-grade blockchain systems handling real capital. Works across EVM, Cosmos, and NEAR ecosystems, focusing on cross-chain infrastructure, DeFi protocols, and reliability at scale. Experience includes smart contracts, indexers, backend systems, and early-stage environments.
Salary
USD 100,000 – 150,000
Mettalex
Aug 2023 — Present
Built and deployed an agent-based cross-chain bridge transferring $1.8M in MTLX tokens from BSC to Ethereum. Developed 15+ smart contracts across EVM (Solidity) and Cosmos (Rust) for an agent-based P2P OrderBook DEX. Built Node.js and Python backend systems with WebSocket integration. Created custom blockchain indexers for EVM and Cosmos chains. Stress-tested system with up to 5,000 concurrent agents.
Qstn
Mar 2023 — Aug 2023
Built and deployed Rust-based NFT smart contracts on NEAR Protocol compatible with major marketplaces. Integrated Stripe payments for fiat-to-NFT purchases and launched a 1,000 NFT mainnet collection. Implemented four wallet login flows. Built a backend using TypeScript, Node.js, and MongoDB with CI/CD and Jest tests.
Invex
Sept 2022 — Jun 2023
Built smart contracts for DeFi infrastructure enabling tokenized index portfolios on NEAR Protocol. Integrated with Ref Finance DEX using async cross-contract calls. Built and maintained backend infrastructure with real-time price updates.
Blockbelly
Apr 2022 — Sept 2022
Worked with DeFi team to build index management protocols on NEAR Protocol. Built Rust smart contracts for creating and managing tokenized indexes. Integrated with decentralized exchanges using cross-contract calls and async patterns.
Future Ready Talent
Sept 2021 — Jan 2022
Built a cloud-based platform to analyze videos for sentiment, behavioral polarity, person identification, and caption generation. Integrated Azure Blob Storage, Azure Video Analyzer, and Azure Web Hosting.
VIT
Jun 2021 — Sept 2021
Led a team of 4 to build an interactive Power BI dashboard visualizing student academic performance. Performed data cleaning, EDA, data transformation, and predictive analysis on student academic datasets.
BE · Information Technology
2019 – 2023