12+ years in development field and
4+ years developing secure DeFi protocols and Web3 infrastructure. Proven track record deploying high-volume projects and preventing multi-million dollar exploits through security audits.
Key Achievements
2,472 ETH generated from deployed NFT collections
$114M+ TVL secured through audited contracts with zero incidents
Critical vulnerabilities identified for Tier-1 exchanges (Crypto.com, HTX)
Cross-chain payroll infrastructure processing millions monthly
Core Stack
Smart Contracts: Solidity (Expert) • Hardhat • Foundry • OpenZeppelin
Protocols: Ethereum • Polygon • Arbitrum • Base • BSC
DeFi: Uniswap V2/V3/V4 • Compound • AAVE • Chainlink • Circle CCTP
Security: Smart contract auditing • Formal verification • Vulnerability research
Recent Impact
Currently building Uniswap V4 integrations and Circle CCTP solutions, while conducting security audits for major exchanges. Full-stack Web3 developer with deep expertise in both development and security.More...
Paweł Kostyra
Graphic Designer, UX/UI Designer@Seedify
Verified
I have over 8 years of experience in visual communication, branding, web design, and prototyping. I am highly skilled in the Adobe Creative Suite, Figma, and Webflow. I specialize in creating strong brand identities, designing engaging websites, and crafting effective visual communication strategies. I combine professionalism with creativity, delivering high-quality, tailored solutions that truly connect with audiences.More...