Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

I'm a Front-End Developer with 6 years of experience building scalable web applications using React, Next.js, and TypeScript. I have a proven track record in Web3 and blockchain development, performance optimization, and CI/CD automation. I specialize in delivering high-impact solutions for B2C, B2B, and decentralized applications with a strong focus on accessibility and user experience, collaboration, and reliable delivery.…I'm a Front-End Developer with 6 years of experience building scalable web applications using React, Next.js, and TypeScript. I have a proven track record in Web3 and blockchain development, performance optimization, and CI/CD automation. I specialize in delivering high-impact solutions for B2C, B2B, and decentralized applications with a strong focus on accessibility and user experience, collaboration, and reliable delivery.

Fedir Pavlyshynets

Front-End Developer, Full Stack Developer, Web Developer, +2





I'm a Front-End Developer with 6 years of experience building scalable web applications using React, Next.js, and TypeScript. I have a proven track record in Web3 and blockchain development, performance optimization, and CI/CD automation. I specialize in delivering high-impact solutions for B2C, B2B, and decentralized applications with a strong focus on accessibility and user experience, collaboration, and reliable delivery.…I'm a Front-End Developer with 6 years of experience building scalable web applications using React, Next.js, and TypeScript. I have a proven track record in Web3 and blockchain development, performance optimization, and CI/CD automation. I specialize in delivering high-impact solutions for B2C, B2B, and decentralized applications with a strong focus on accessibility and user experience, collaboration, and reliable delivery.

Available to hire

I’m a Front-End Developer with 6 years of experience building scalable web applications using React, Next.js, and TypeScript. I have a proven track record in Web3 and blockchain development, performance optimization, and CI/CD automation.

I specialize in delivering high-impact solutions for B2C, B2B, and decentralized applications with a strong focus on accessibility and user experience, collaboration, and reliable delivery.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Work Experience

Front-End Developer at Vareger (TransaTron)

August 1, 2025 - Present

Built infrastructure service for TRON network enabling fee-free transactions through USDT payment abstraction, reducing transaction costs by 60%. Developed MVP enabling TRON transactions without TRX balance requirements using fee abstraction mechanism. Created reusable UI component library adopted across multiple projects, reducing development time by 40%. Architected scalable frontend supporting high-volume transaction throughput and protocol extensions. Owned CI/CD workflows including release pipelines, environment separation, and production deployment safety. Established frontend standards (linting, CI checks, component patterns) used as a baseline for subsequent projects.

Front-End Developer at Vareger (Gunzilla Games)

February 1, 2025 - August 1, 2025

Contributed to Web3 gaming ecosystem for Off The Grid with 14M registered users and 100K+ daily active players. Developed frontend for 4 live platforms supporting a custom Layer 1 blockchain with 8M+ transactions. Improved security score from 50 to 115 (Mozilla Observatory) by implementing CSP, HTTPS policies, and security headers. Integrated cross-chain bridge between Solana and Ethereum enabling seamless token transfers. Supported native token launch on Binance, collaborating with blockchain and backend teams. Implemented wallet integrations (MetaMask, WalletConnect, Phantom, Solflare) for web and mobile. Optimized dApp authentication flows and resolved wallet connection issues.

Front-End Developer at Cleveroad

February 1, 2023 - August 1, 2024

Built B2C ticketing platform for event discovery and secure ticket purchases. Optimized accessibility to WCAG standards, improving usability for users with disabilities. Resolved performance bottlenecks through bundle chunking, improving Page Speed and INP metrics by 35%. Implemented CI/CD pipelines using GitHub Actions, reducing deployment time by 50%. Increased conversions by 10% through A/B testing and data-driven optimizations. Internationalized application supporting multiple languages for global audience. Led code reviews and maintained comprehensive unit test coverage.

Front-End Developer at Lohika

January 1, 2022 - February 1, 2023

Developed B2B construction management platform for real-time project tracking and collaboration. Built canvas editor functionality enabling browser-based drawing modifications. Integrated Segment analytics to track user behavior and optimize performance. Improved page load time by 40% through caching strategies and performance optimizations. Mentored junior developers and conducted code reviews to maintain quality. Collaborated with cross-functional teams to deliver features on schedule.

Front-End Developer at SyncMobile

March 1, 2020 - December 1, 2021

Created EdTech platform for student-teacher communication and educational resource management. Improved performance by offloading third-party scripts to web workers using PartyTown. Integrated Contentful CMS, reducing content update time by 50% and enabling non-technical content management. Implemented SEO optimizations improving organic search visibility. Built CI/CD pipelines and established testing practices for quality assurance.