I’m a Senior Full-Stack & AI Blockchain Developer from Ukraine with 8+ years of experience building AI-powered platforms, decentralized applications, and scalable web systems. My strongest skills are AI integration, blockchain architecture, and full-stack development using React, Next.js, Node.js, Python, Solidity, and Rust. I have worked extensively with Solana, Ethereum, Bitcoin Ordinals, NFT bridges, AI prediction systems, and decentralized GPU/AI infrastructure. What differentiates me from other developers is my ability to combine AI technologies with blockchain and modern web applications to build real-world production systems. I have experience developing sports prediction AI models, decentralized computing networks, cross-chain bridges, NFT wallets, and scalable Web3 platforms while also handling backend architecture, cloud infrastructure, and frontend performance optimization. Employment and project experience **Senior AI & Solana Engineer** Nosana _November 2024 - January 2025_ **Senior Full-Stack Blockchain Developer** Bitflow Finance _July 2023 - December 2023_ **React Native & Blockchain Developer** Percipient _December 2023 - August 2024_ **ML Training Engineer** SoccerVista _June 2022 - November 2022_ **Bitcoin Ordinal Bridge Developer** NFT Bridges _June 2022 - January 2023_ **Full-Stack Web & Blockchain Developer** InterPadel _November 2021 - March 2022_ **Solidity Smart Contract Developer** Crinet _November 2018 - April 2021_ I am ready to build something great with you immediately. Thanks. Regards. Oleksandr Diachuk.…

Oleksandr Diachuk

PRO

I’m a Senior Full-Stack & AI Blockchain Developer from Ukraine with 8+ years of experience building AI-powered platforms, decentralized applications, and scalable web systems. My strongest skills are AI integration, blockchain architecture, and full-stack development using React, Next.js, Node.js, Python, Solidity, and Rust. I have worked extensively with Solana, Ethereum, Bitcoin Ordinals, NFT bridges, AI prediction systems, and decentralized GPU/AI infrastructure. What differentiates me from other developers is my ability to combine AI technologies with blockchain and modern web applications to build real-world production systems. I have experience developing sports prediction AI models, decentralized computing networks, cross-chain bridges, NFT wallets, and scalable Web3 platforms while also handling backend architecture, cloud infrastructure, and frontend performance optimization. Employment and project experience **Senior AI & Solana Engineer** Nosana _November 2024 - January 2025_ **Senior Full-Stack Blockchain Developer** Bitflow Finance _July 2023 - December 2023_ **React Native & Blockchain Developer** Percipient _December 2023 - August 2024_ **ML Training Engineer** SoccerVista _June 2022 - November 2022_ **Bitcoin Ordinal Bridge Developer** NFT Bridges _June 2022 - January 2023_ **Full-Stack Web & Blockchain Developer** InterPadel _November 2021 - March 2022_ **Solidity Smart Contract Developer** Crinet _November 2018 - April 2021_ I am ready to build something great with you immediately. Thanks. Regards. Oleksandr Diachuk.…

Available to hire

I’m a Senior Full-Stack & AI Blockchain Developer from Ukraine with 8+ years of experience building AI-powered platforms, decentralized applications, and scalable web systems. My strongest skills are AI integration, blockchain architecture, and full-stack development using React, Next.js, Node.js, Python, Solidity, and Rust. I have worked extensively with Solana, Ethereum, Bitcoin Ordinals, NFT bridges, AI prediction systems, and decentralized GPU/AI infrastructure.

What differentiates me from other developers is my ability to combine AI technologies with blockchain and modern web applications to build real-world production systems. I have experience developing sports prediction AI models, decentralized computing networks, cross-chain bridges, NFT wallets, and scalable Web3 platforms while also handling backend architecture, cloud infrastructure, and frontend performance optimization.

Employment and project experience

Senior AI & Solana Engineer Nosana
November 2024 - January 2025

Senior Full-Stack Blockchain Developer Bitflow Finance
July 2023 - December 2023

React Native & Blockchain Developer Percipient
December 2023 - August 2024

ML Training Engineer SoccerVista
June 2022 - November 2022

Bitcoin Ordinal Bridge Developer NFT Bridges
June 2022 - January 2023

Full-Stack Web & Blockchain Developer InterPadel
November 2021 - March 2022

Solidity Smart Contract Developer Crinet
November 2018 - April 2021

I am ready to build something great with you immediately.
Thanks. Regards.
Oleksandr Diachuk.

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Skills

Experience Level

Express
Expert
Web3
Expert
Figma
Expert
JavaScript
Expert
TensorFlow
Expert
GraphQL
Expert
Solidity
Expert
PyTorch
Expert
PostgreSQL
Expert
MySQL
Expert
Flutter
Expert
React JS
Expert
React Native
Expert
Rust
Expert
Data Science
Expert
MongoDB
Expert
Vue.js
Expert
Node.js
Expert
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Language

Ukrainian
Fluent
English
Fluent

Work Experience

AI-powered Solana Expert at Nosana Network
November 1, 2024 - January 1, 2025
Nosana Network is an AI-driven decentralized computing platform built on Solana. Worked on integrating AI workloads with blockchain to provide scalable, secure, and transparent systems; optimized GPU usage for AI workloads; contributed to cross-chain NFT bridges and NFT-related tooling, and implemented Solana-based solutions.
Senior Full-Stack Blockchain & Web Developer at Bitflow Bridge
June 1, 2023 - December 1, 2023
Cross-chain crypto exchanges - built a bridge enabling asset transfers between Ethereum and non-EVM networks; designed secure cross-chain token transfers and bridging, developed front-end and back-end components, and integrated with multiple networks to improve interoperability and liquidity.
ML Trainer at SoccerVista
June 1, 2022 - November 1, 2022
ML trainer for a soccer prediction system; built and trained models for sports predictions and integrated ML workflow into the site to enhance predictive accuracy.
Solidity Smart Contract Developer at Crinet
November 1, 2018 - April 1, 2021
Solidity smart contract development with React.js expertise; built decentralized social network components, frontend with React.js, and integrated Web3 interactions and wallet flows; designed and deployed secure smart contracts and frontend integrations.
React Native & Blockchain Developer at Percipient
November 1, 2021 - March 1, 2022
React Native mobile wallet app for NFT management; built a secure NFT wallet with NFT transfers and ownership handling; integrated React Native frontend with Solidity/Blockchain backend and DeFi/NFT interactions.
Senior Mobile app Developer with deep Blockchain Technology at Lumio
October 26, 2025 - March 31, 2026
Built a secure mobile chat application with friendly in-app support and blockchain-powered vault capabilities for protected user assets. - Implemented privacy-first chat flows and hardened session handling. - Built support features for quick issue resolution and account recovery. - Integrated blockchain vaults to secure sensitive user data and assets.

Education

Bachelor of Technology at Ukrainian Catholic University
March 1, 2012 - February 1, 2016

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Media & Entertainment, Other, Computers & Electronics, Professional Services
    uniE621 Nosana - AI & Solana expert for GPU rental platform
    Built Solana smart contracts in Rust and delivered decentralized AI-compute workflows with secure, efficient resource allocation. Integrated AI workloads on Solana, improving GPU utilization for training and inference. Developed allocation logic to match AI compute demand with GPU providers. Implemented blockchain incentive mechanisms for ecosystem growth.…
    uniE621 Bettensor - Sports Prediction Betting Subnet within Bittensor network
    Built AI-powered decentralized sports prediction infrastructure within the Bittensor network. Developed validator/miner workflows using machine learning-driven scoring and ranking mechanisms. Implemented real-time AI data processing and off-chain indexing pipelines with Python and Node.js. Integrated Web3 wallet connectivity, blockchain transactions, and decentralized reward distribution systems. Model training to predict match results…
    uniE621 Bitcoin Ordinal Bridge - NFT bridge between Ethereum & Bitcoin
    Created contracts to lock ETH assets and release on Bitcoin bridge completion. Implemented ordinal mint workflows and bridge UI using Next.js and Express.js. Integrated contracts and web app through Web3.js transaction orchestration.…
    uniE621 Lumio Chatting App - Senior Flutter & Blockchain Engineer
    Built a secure mobile chat application with friendly in-app support and blockchain-powered vault capabilities for protected user assets. Implemented privacy-first chat flows and hardened session handling. Integrated blockchain vaults to secure sensitive user data and assets. Built support features for quick issue resolution and account recovery. You can taste the app on both android and iphones - https://www.twine.net/signin…
    uniE621 Full Stack Web & Crypto Payment Integration
    Built a sports-facility platform for bookings, membership management, and event scheduling with seamless admin/player experience. Developed SSR front-end experiences with Next.js for performance and SEO. Shipped secure service APIs and payment-friendly workflows. Integrated Crypto Payment System…