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Blockchain Developer ยท Smart Contract Engineer

Blockchain engineer. Built DeFi oracle systems and led AAVE V2/V3 integrations end-to-end at Gateway.fm. Earlier: helped design and implement Wirex Pay payment-card smart contracts. AI-assisted agentic development tooling for production blockchain workflow.




Experience: 3 years

Yearly salary: $60,000

Hourly rate: $30

Nationality: ๐ŸŒ Remote

Residency: ๐ŸŒ Remote


Experience

Blockchain Developer
Gateway.fm
2024 - 2026
Led full AAVE V2/V3 integration end-to-end โ€” smart contract development, backend, frontend, deployment, and team enablement. Customized push and async oracle development, including Uniswap-dependent calculation oracles. Deployed a Chainlink VRF oracle. Researched and deployed Iden3 as part of a demo proposal for an identity blockchain system for a Big Tech company. Fullstack engineering across smart contracts, React frontend, and Go backend operator services for a DeFi yield product. Mainnet deployments on BNB Smart Chain and Base. Architected internal multichain Hardhat V3 deployment template covering major EVM-compatible networks, used across internal smart contract work. Test coverage maintained as standard. Presented oracle products to integration partners (including Lukso); mentored team on smart contract development practices.
Intern Blockchain Developer
Uddug, acquired by Gateway.fm
2023 - 2024
Helped design and implement ERC20 / ERC721 smart contracts for Wirex Pay โ€” virtual, debit, and credit card business logic, on-chain payment processing. Built Wirex Pay frontend prototype (Next.js + React).

Skills

backend
devops
front-end
research
smart-contract
solidity
english
russian