ivandev

Blockchain Engineer / Technical Project Manager

Blockchain Engineer since 2017, with experience designing and delivering EVM-compatible smart contracts and full-stack decentralized applications. Proven record of leading teams and executing projects from idea to launch, including platforms with $10M+ in transaction volume. Skilled in collaborating with founders, product leads, and cross-functional teams. Comfortable with both technical architecture and hands-on coding. Deep interest in education, token economies, and real-world asset tokenization.

Along the way, I’ve improved my project management skills through the Google Project Management Certification Program, helping me better structure both my own workflow and team collaboration. I’m also exploring how AI tools, like Python scripting and prompt engineering to improve product development.

Passionate about building meaningful blockchain solutions that create real-world impact. Known for delivering production-ready systems across DeFi, gaming, and tokenized assets.


Experience: 8 years

Yearly salary: $160,000

Hourly rate: $80

Nationality: 🇺🇦 Ukraine

Residency: 🇺🇸 United States


Experience

Lead Blockchain Engineer & Project Manager
Contract jobs
2023 - 2025
Feature - AI-Powered storytelling - Designed tokenized identity layer that integrates with AI-generated content - Led architecture for secure issuance of dynamic NFTs based on user interactions Ethos - on-chain reputation - Implemented core smart contracts for an on-chain reputation protocol, enabling trustable user scoring - Successfully built an MVP for fundraising Bitbrand - digital asset authenticity - Developed an on-chain certificate protocol to verify ownership and provenance of high-end digital collectibles - Delivered secure EVM smart contracts, improving trust in luxury asset resale Heimata - on-chain index fund investment - Implemented and tested Smart Contracts for the investments - Led the integration of the web3 components into the web2
Lead Blockchain Engineer
Communitygaming
2021 - 2023
As a Blockchain Lead, I worked on the architecture of a tournament management system. I implemented the core on-chain protocol (Smart Contracts). Successfully managed a team of blockchain engineers, overseeing the development and implementation of EVM and Solana Smart Contracts for the tournament management system. The implemented smart contracts successfully handle high user volumes. - Architected and implemented smart contract infrastructure for e-sports tournaments, prize distribution, Quest Reward Claim Service, and on-chain engagement - Scaled system to handle $10M+ in player rewards across multiple chains - Built secure and gas-optimized contracts with upgradeable proxy patterns

Skills

architecture
ethereum
ethereumjs
evm
hardhat
javascript
node
project-manager
python
smart-contract
solidity
truffle
typescript
web3js
english
polish
ukrainian