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Português
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Yurri H
@yuriy_hirchak
Level 1
Blockchain and Full Stack Web developer
Ucrânia
Inglês, Ucraniano
Sobre mim
Blockchain & AI developer focused on trading automation, DeFi protocols, and Web3 infrastructure.
I build Polymarket trading bots, AI-based execution systems, Telegram/Discord automation tools, and crypto volume monitoring solutions. I also develop SPL tokens, presale and launchpad smart contracts, supply chain blockchain systems, and full Web3 dApps.
My approach emphasizes secure architecture, scalability, and production-grade engineering for startups, traders, and serious Web3 projects.
Habilidades
Yurri H
offline •
Tempo médio de resposta: 1 hora
Conheça meus serviços
Aplicativos Descentralizados (dApps)
I will blockchain developer openclaw polymarket trading ai bot pump fun presale kalshi
Aplicativos Descentralizados (dApps)
I will blockchain developer supply chain smart contract spl token launchpad web3 dapp
Portfólio
Experiência profissional
Senior Blockchain & AI Engineer (Freelance)
Independent Consultant (via Fiverr) • Freelance
Aug 2017 - Present • 8 yrs 9 mos
Senior Blockchain and AI engineer with 8+ years of professional experience delivering production-grade solutions across Web3 and intelligent systems. Specialized in DeFi protocol development, smart contracts, EVM architectures, and AI-driven automation. Proven experience building and deploying Compound-style lending and borrowing protocols, token launchpads, presale systems, NFT standards, and on-chain trading and monitoring bots. Strong background in Solidity, proxy patterns, interest rate models, liquidations, oracle integrations, and mainnet deployments. Additionally experienced in applying AI and data-driven models to trading strategies, automation, analytics, and decision-support systems within blockchain ecosystems. Regularly collaborate with founders and technical teams to design secure, scalable, and audit-ready systems from concept to mainnet.
15 Avaliações
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1-5 fora das 15 avaliações
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henry_lamb25
Reino Unido
Great experience working with this freelancer. The work was bug free and exceeded my expectations. Very cooperative and showed a deep understanding of the project. Highly recommended.
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michael9285
Estados Unidos
I had an excellent experience working with this freelancer. The final result exceeded my expectations in both quality and performance. The delivery was completely bug-free, and everything worked exactly as intended from the first handover. Communication was smooth throughout the project. The freelancer...
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alexenderson
Reino Unido
Amazing client to work with. Very clear requirements and easy communication throughout the project. Quick responses and always respectful, which made the development process smooth and efficient. Really appreciate the trust on this project. Looking forward to working together again in the future. Thank you!
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mateo_clark820
Cliente recorrente
Canadá
I had a good experience working with Yurri. He paid strong attention to detail and made sure everything was done correctly. His coding skills are solid, and the final result worked as expected. He delivered the project on time and kept me updated throughout the process. Communication was clear and proactive,...
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evie_owen54
Reino Unido
Reliable and efficient freelancer. Strong technical skills, clean implementation, and professional communication throughout. Added extra value beyond the original scope and delivered on time. Good experience overall.
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