mykytaberezhnyi
Blockchain Lead Developer | Solidity / Evm Architect | Technical Presales
Blockchain engineering leader with 6+ years of experience designing and delivering Solidity/EVM systems across DeFi, staking, GameFi, NFT, and DAO products. Led 10+ blockchain projects end-to-end, managed cross-functional teams of 4-6 specialists, and served as temporary CTO for a DeFi/restaking protocol. Strong background in smart contract architecture, technical discovery, presales, client communication, and AI-assisted engineering workflows, with proposal scopes up to ~$500k.
Experience: 6 years
Yearly salary: $150,000
Hourly rate: $70
Nationality: 🇺🇦 Ukraine
Residency: 🇵🇹 Portugal
Experience
Team Lead
WOOF! 2025 - 2026
Owned end-to-end delivery for Web3 and DeFi clients, from technical discovery and presales to Solidity architecture, implementation review, and product launch support. Managed cross-functional teams of 4–6 specialists across blockchain, frontend, backend, QA, and project management, coordinating architecture decisions, delivery planning, and technical execution.
Presale Lead
Blaize 2024 - 2025
Owned technical discovery and proposal shaping for blockchain opportunities, translating business requirements into delivery scope, architecture direction, estimates, and risk assumptions. Led 10+ formal presale engagements, from small builds to multi-month six-figure proposals, with estimates up to ~$500k. Ran requirements gathering and direct client communication, authoring proposal materials with solution outlines, delivery assumptions, tradeoffs, and risk framing.
Lead Blockchain Engineer
Blaize 2022 - 2024
Led and contributed to 10+ blockchain engagements as engineer, consultant, auditor, tech lead, and team lead, focusing on protocol-level Solidity systems, complex on-chain logic, and smart contract architecture.
Blockchain Engineer
Blaize 2020 - 2022
Built smart contract systems and supported integrations across betting, casino, DAO, and internal blockchain products. Developed and tested ETH wager-based betting contracts for SocialBets, including frontend integration support.
Skills
architecture
dao
defi
erc
evm
gaming
hardhat
javascript
nft
openzeppelin
security
smart-contract
solution
tech-lead
tokenomics
typescript
solidity
english
russian
ukrainian