chndrvnshi
Senior Blockchain Developer
Full-stack and protocol engineer with 7+ years of experience spanning backend systems, APIs, and React/Next.js frontends, plus a growing specialization in blockchain and zero-knowledge engineering. Currently building the core platform at Olena Protocol, working on Starknet integration, scoring/settlement systems, and private-voting ZK tooling with Noir, Cairo, Solidity, and TypeScript. Prior experience includes shipping a live DeFi protocol on Ethereum mainnet, building NFT marketplace and lending dApps, and working on smart-contract security and auditing. Core stack: Python, TypeScript, React, Node.js, Solidity, Cairo, Noir, PostgreSQL, Docker, and Ethereum/EVM tooling. Open to roles where I can dig into hard, technically interesting problems across the stack.
Experience: 7 years
Yearly salary: $78,000
Hourly rate: $40
Nationality: 🇮🇳 India
Residency: 🇮🇳 India
Experience
Senior Blockchain Developer
Global Access Labs 2022 - 2023
Built and shipped Sumero Finance, a live DeFi protocol on Ethereum mainnet for minting, trading, and staking synthetic assets tracking real-world indices. Developed staking contract reward logic, built real-time price-tracking charts driven by on-chain Solidity events, and delivered UI/UX improvements for a production launch.
Full-stack Developer
Delimp Technology 2021 - 2021
Backend and blockchain developer across three products: real-estate tokenization (Aqarchain), DeFi staking (Sheesha Finance), and a poll/social platform (Usecurious), owning smart contracts, REST APIs, auth, and infrastructure.
Blockchain Developer
SmartChain 2021 - 2022
• Designed Solidity and Cairo smart contracts and contributed across backend and frontend layers for DeFi and NFT marketplace products. • Worked on under-collateralized lending and upgradable EIP-2535 Diamond modules with integrations across Uniswap, AAVE, and 1Inch. • Worked with auditors and used Slither/Echidna to identify and fix a high-impact protocol vulnerability before release.
Product Developer
Cavisson Systems, Inc. 2019 - 2021
Worked on the core NetJS APM product, building tooling to monitor live application performance at enterprise scale. Developed instrumentation for business transactions and request flowpaths, implemented HTTP/REST APIs and SaaS-mode auth, built the agent's Angular UI, and provided production support and log monitoring.
Skills
backend
blockchain
defi
design-manager
ethereum
layer-2
nextjs
node
python
react
smart-contract
solidity
typescript
web3
zero-knowledge
zk-snark
full-stack
english