Сергій

SERHII FURTAT
Senior Full Stack / Web3 Engineer
Kyiv, Ukraine | Remote
[відкрити контакти](див. вище в блоці «контактна інформація») | LinkedIn

PROFILE
Senior Full Stack Developer with 7+ years of commercial experience building scalable enterprise,
SaaS, and Web3 applications. Strong expertise in backend architecture (Laravel, NestJS), smart
contract development (Solidity), and modern frontend systems (React, Vue, TypeScript).
Experienced in designing REST APIs, blockchain integrations, SPA architectures, and
production-ready distributed systems. Focused on clean code, performance optimization,
scalability, and security.

CORE TECHNOLOGIES
Backend: Laravel, NestJS, Node.js, REST APIs, JWT, OAuth

Frontend: React, Vue, Angular, TypeScript, TailwindCSS, Material UI

Blockchain: Solidity, Hardhat, Ethers.js, Web3.js (EVM, BSC)

Databases: PostgreSQL, MongoDB, MS SQL, Firestore

DevOps & Tools: Docker, Git, GitHub, GitLab, Bitbucket, Jira, Confluence

PROFESSIONAL EXPERIENCE
Full Stack Developer (Laravel + Vue) — Right&Above
Jan 2024 – Jan 2026 | Kyiv / Remote

- Designed and developed scalable REST APIs using Laravel
- Implemented SPA frontend with Vue.js and TypeScript
- Optimized PostgreSQL queries and improved system performance
- Implemented JWT & OAuth authentication flows
- Integrated third-party services and payment systems
- Participated in architecture decisions and code reviews
Tech: PHP, Laravel, Vue, TypeScript, PostgreSQL, Docker

Web3 Full Stack Developer — Right&Above
Jan 2023 – Dec 2024 | Kyiv / Remote
- Designed and deployed smart contracts using Solidity
- Wrote unit tests with Hardhat and optimized gas usage
- Deployed contracts to EVM networks (BSC)
- Built backend services with NestJS
- Integrated MetaMask & WalletConnect
- Implemented off-chain logic and blockchain event indexing
Tech: Solidity, Hardhat, Ethers.js, Web3.js, NestJS, React, TypeScript, PostgreSQL, Docker

Full Stack Developer (Node + React) — Right&Above
Dec 2021 – Jan 2023 | Kyiv / Remote

- Developed complex UI systems (tables, forms, trees, filters)
- Built editable metadata systems
- Refactored and optimized legacy codebases
Tech: Node.js, React, TypeScript, PostgreSQL

Frontend React Developer — Right&Above
Dec 2019 – Jun 2021 | Kyiv / Remote

- Developed scalable React applications
- Built reusable components and custom hooks
- Integrated REST & GraphQL APIs
- Optimized performance and refactored legacy code
Tech: React, TypeScript, Material UI

Frontend Angular Developer — IonIdea
Oct 2017 – Nov 2019 | Kyiv

- Developed enterprise Angular applications
- Created reusable services and components
- Integrated REST APIs and MongoDB
Tech: Angular, RxJS, TypeScript

EDUCATION
Kyiv College of Information Systems and Technologies — Faculty of Electronics

LANGUAGES
Ukrainian — Native

Russian — Fluent

English — Pre-Intermediate