Innovative and results-driven Full-Stack Blockchain Developer with a decade experience designing and deploying scalable Web3 applications across DeFi, NFTs, Layer 1, and Layer 2 ecosystems. Proven track record of delivering high-impact smart contracts, cross-chain integrations, and modern frontend experiences using Solidity, TypeScript, Node.js, and React. Skilled in architecting secure, gas-efficient, and upgradeable EVM solutions with a deep understanding of the Ethereum ecosystem and rollup technologies. Adept at bridging on-chain and off-chain components, optimizing system performance, and leading teams in fast-paced, remote environments. Passionate about building developer-friendly infrastructure and real-world blockchain applications that scale.
Experience: 9 years
Yearly salary: $180,000
Hourly rate: $90
Nationality: 🇺🇸 United States
Residency: 🇺🇸 United States
Experience
Senior Blockchain Engineer
Oni 2022 - 2025
Architected and launched smart contracts for a DeFi staking protocol, reaching $ 75 M+ in total value locked (TVL) within 8 months. Accelerated frontend data response by 60% through custom Graph indexing and on-chain event optimization. Built and deployed an NFT minting platform supporting 120K+ mints, generating $1.8M in fee revenue in the first half-year. Devised upgradeable contract architecture using proxies, which cut average deployment gas fees by 28%. Identified and patched 14 critical smart contract bugs during audits, eliminating major risks before launch. Guided a team of 6 developers on Solidity and Web3 architecture, enhancing sprint velocity by 35%.
Full-Stack Blockchain Developer
Moon 2019 - 2022
Engineered a decentralized lending system that onboarded 15,000+ users and handled $22M in loan volume in its first year. Enhanced wallet connection success by 31% through custom integration of Web3Modal and fallback logic. Designed token vesting contracts and a dynamic distribution dashboard, supporting 23 launches and disbursing $5.2 M+. Rebuilt backend services with event-driven architecture, lowering infrastructure costs by 18% and enabling real-time analytics. Modularized smart contract components to streamline audits, reducing external review time by 40%. Revamped the product interface, leading to a 21% increase in user activation and 26% fewer onboarding drop-offs.
Blockchain Developer
Hodlers Store 2017 - 2019
Launched a decentralized identity system that verified 80,000+ users securely, maintaining 100% uptime during rollout. Replaced centralized login with wallet signature auth, cutting support requests related to access issues by 47%. Created an admin portal with live verification tracking, which shortened approval turnaround by 42%. Implemented off-chain metadata sync with PostgreSQL and smart contract events, achieving 99.8% sync accuracy. Tuned backend performance through query and schema optimization, enhancing throughput by 53%. Developed automated test coverage for APIs and contracts, increasing system reliability with 92% test completion.
Software Engineer
TechNova Systems 2015 - 2017
Built internal analytics dashboards that saved engineers 30+ hours/month in manual service monitoring. Transitioned REST endpoints to GraphQL with precise query controls, reducing frontend data load by 45%. Introduced CI/CD automation using Docker and GitHub Actions, slashing release time and errors by 80%. Helped implement secure key handling protocols that passed compliance audits with zero flagged issues. Added Cypress test integration across critical paths, proactively catching 17 UI regressions pre-deployment. Delivered onboarding documentation and sessions for junior engineers, cutting ramp-up time by 25%.
Skills
blockchain
ethereum
hardhat
javascript
nextjs
python
react
typescript
vue
web3js
solidity
