👋🏻 Bio

active 4 hours ago Actively looking
Blockchain Developer with 10+ years of software development experience, specializing in smart contracts, DeFi, Web3 applications, and decentralized systems. Skilled in Solidity, Ethereum, EVM chains, and scalable blockchain solutions.
Current Location: Warszawa,Poland Languages: English
Skills: Solidity Web3.Js Ethers.js Dapps Defi Systems
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💼 Experience

Objectivity Objectivity
February 2015 to February 2017 (2 yrs 0 mos) ▪️ Freelance
Solidity React.js Next.js Vue.js Angular
Designed and deployed smart contracts for decentralized applications, ensuring security, efficiency, and compliance with best practices Built and integrated Web3-based systems enabling seamless interaction between frontend applications and blockchain networks Optimized smart contract performance, reducing gas costs and improving execution efficiency across high-volume transactions Architected scalable blockchain solutions supporting complex DeFi and token-based ecosystems Conducted contract testing, auditing support, and vulnerability analysis to ensure secure production deployments Collaborated with cross-functional teams to define system architecture and deliver end-to-end blockchain solutions

🎓 Education & Certificates

Bachelor’s Degree, Bachelor of Computer Science By Bachelor of Computer Science
May 2010 to January 2014 (3 yrs 8 mos)
Dapps Defi Systems Ethers.js Web3.Js Smart Contracts

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