Олег

Oleh Stakhniuk

Ukraine • Ivano-Frankivsk, 76000 • [open contact info](look above in the "contact info" section)•[open contact info](look above in the "contact info" section)

Education
ZUNU University Ukraine, IF
Master’s Degree in International Economics. 2024-2026
Thesis: International Trade in the DigitalizedGlobalEconomy

ZUNU University Ukraine, IF
Bachelor’s in Management 2020-2024

Summary

- Frontend / Web3 Engineer with 5+ years of experience in fintech, crypto wallets, GameFi, and trading platforms.
- Specialized in React/Next.js, Angular, Vue, and Web3 integrations for high-load, real-time financial products.
- Strong focus on blockchain UX, wallet flows, DeFi integrations, and scalable frontend architecture.
- Experience leading frontend development from scratch and mentoring engineers.

Experience
Lazy Ants remote
Software Engineer Sep 2021 – Present

Frontend Engineer / AI Engineer — AI Agent for Client’s Internal Product
Technology: React, TypeScript, Zustand, Vite, TypeScript SDK, REST API
Period: Most Recent Project

- Owned the full cycle of a business idea — from concept to production-ready MVP — for an AI agent embedded into a
client’s internal product.
- Designed the end-to-end architecture: an embeddable widget, a TypeScript SDK for third-party integration, and a
lightweight Vite-based loader enabling embedding into web and mobile apps.
- Built the agent UI with React, TypeScript, and Zustand and integrated it with the backend; delivered a working
MVP in 1 day.
- Wrote infrastructure and deployment documentation for DevOps to provision the environment.
- MVP was subsequently implemented in production.

Frontend Engineer / Web3 Engineer — NDA (Meme Token Platform)
Technology: Next.js, React, Web3
- Designed and developed a meme token platform architecture from scratch, including token deployment and
Web3 integrations
- Implemented blockchain interaction flows for token creation, trading, and on-chain transactions
- Built scalable Next.js frontend architecture optimized for high-traffic crypto launch environments

Frontend Engineer — GEME (GEM EVOLUTION Crypto Wallet)
Technology: React.js, Web3, Telegram Mini Apps

- Led development of a decentralized crypto wallet integrated into Telegram ecosystem from scratch
- Implemented transaction management, asset tracking, and real-time blockchain data updates
- Designed scalable React architecture optimized for Telegram WebView constraints
- Conducted code reviews, refactoring, and enforced custom coding standards across team

Frontend Engineer — MANAVA (Fintech + GameFi Platform)

Technology: Angular, RxJS

- Led frontend development of a global finance and gaming platform integrating fiat, crypto, and VISA/MasterCard
systems
- Designed secure financial transaction interfaces and decentralized payment workflows
- Built real-time gaming tournament system with instant USD reward mechanics
- Coordinated cross-functional engineering between fintech and gaming subsystems

Frontend Engineer — Clarnium (GameFi Analytics Platform)
Technology: Vue 2, Vue 3, Nuxt 2, Nuxt 3, Directus, Web3

- Implemented NFT minting, transfer, and management features using smart contracts
- Developed high-performance UI for token analytics, events, drops, and project tracking
- Optimized frontend performance and reduced page load times through code refactoring
- Collaborated with designers, backend developers, and QA teams to deliver production-grade GameFi analytics tools

Frontend Engineer — Lot Trade (Crypto Traders League)
Technology: Angular, RxJS, Web3.js, ApexCharts / Chart.js

- Developed interactive trading charts, increasing user engagement by ~20%
- Refactored critical components, reducing memory usage by ~10% and improving app responsiveness
- Implemented authentication and authorization systems to mitigate security vulnerabilities
- Mentored developers, increasing team productivity by ~25%
- Integrated Web3.js with Binance Smart Chain for staking, authorization, and transaction features
- Optimized gas usage, reducing user transaction fees by ~12%
- Built RESTful API integrations for real-time market data and trading functionality
- Solved complex gas calculation and transaction execution issues across multiple blockchain products

Skills & Interests
Technical: JavaScript,TypeScript,React,Next.js,Angular,Vue,Nuxt,web3.js,ethers.js,Wallet integrations, DeFi, Nest.js, npm, yarn
GIt, Bitbucket, REST, Node.js, Express, HTML/CSS/SCSS,Vite,Redux, WebSockets
Languages: English Intermediate (B1), Ukraine Native, Russian Fluent
Interests: Programming, Startups, Web3, dApps, DeFI, Fintech, Finance, Investing