vadymykh
Smart Contract & Back End Engineer
Senior protocol engineer with experience building smart contracts and backend systems for trading, execution, and cross-chain infrastructure. Worked across EVM, Solana, and Sui, with hands-on ownership of execution-critical systems including order processing, trading, estimations, and indexers. Strong focus on performance, security, flexibility, and building reliable systems that operate under real production load.
Experience: 5 years
Yearly salary: $150,000
Hourly rate: $0
Nationality: 🇺🇦 Ukraine
Residency: 🇺🇦 Ukraine
Experience
Blockchain Expert & Full-Stack Developer
DXC Luxoft 2026 - 2026
• Reviewed the smart contract, backend, and frontend architecture of a Fortune 500 blockchain project, identifying critical business-logic issues, security risks, and architectural inefficiencies. • Designed and integrated smart contracts and blockchain indexing infrastructure into the existing system, addressing security issues, simplifying core workflows, reducing transaction costs by up to 50x, and improving extensibility. • Defined the technical roadmap for further development, including implementation plans, and technical documentation.
Senior smart contracts developer
BabyDoge 2022 - 2024
Developed and deployed smart contracts: DEX, Farming, NFT, Presale and more. Built supporting indexers for smart contract data and protocol operations. Worked on partner integrations, issue analysis, and user-facing protocol incident investigation. Contributed to products that reached: $75M+ peak TVL, $1B+ trading volume, No hacks/exploits.
Smart contracts developer
ThreeEquals 2021 - 2022
Developed and deployed numerous smart contracts across different use cases. Wrote technical and business documentation for protocol and product requirements.
Skills
rust
solana
typescript
solidity
english
russian
ukrainian