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Yurri H
@yuriy_hirchak
Level 1
Blockchain and Full Stack Web developer
Ukraine
Anglais, Ukrainien
À propos de moi
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.
Compétences
Yurri H
100 $US/heure
hors ligne •
Temps de réponse moyen de 1 heure
Voir mes services
Applications décentralisées (dApps)
I will blockchain developer openclaw polymarket trading ai bot pump fun presale kalshi
Applications décentralisées (dApps)
I will blockchain developer supply chain smart contract spl token launchpad web3 dapp
Vous souhaitez travailler sur une base horaire ?
Dites à Yurri H ce dont vous avez besoin.
100 $US
/
heurePortfolio
Expérience professionnelle
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 Avis
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Les plus pertinents
mateo_clark820
Client récurrent
Canada
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
Royaume-Uni
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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michael9285
États-Unis
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
Royaume-Uni
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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henry_lamb25
Royaume-Uni
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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