marakesh
Senior Frontend Engineer
Senior Frontend Engineer with 6+ years of experience building Web3, fintech, crypto wallet, and trading platform interfaces. Strong in React, TypeScript, Next.js, complex UI systems, blockchain-related user flows, trading interfaces, and frontend performance optimization.
Experience: 6 years
Yearly salary: $78,000
Hourly rate: $60
Nationality: 🇺🇦 Ukraine
Residency: 🇵🇹 Portugal
Experience
Frontend Engineer
CEX.IO 2021 - 2023
Worked on trading and crypto products for an established exchange, including a trading platform, margin trading platform, and DeFi swap experience. Integrated and customized TradingView terminal functionality for advanced trading workflows. Built trading functionality with WebSockets, including market updates, order book behavior, and order placement flows. Increased order book performance by around 200% through focused frontend optimization. Improved app performance by around 100% after refactoring major parts of the application and introducing Next.js. Refactored component and design structure to improve maintainability, consistency, and development speed.
Frontend Engineer
Geniusee 2020 - 2021
Built React-based applications, reusable components, responsive layouts, and API integrations across client products.
Frontend Engineer
InRecovery 2019 - 2020
Developed dashboard and app features, including telephony, statistics, reports, and internal tools for healthcare workflows.
Frontend / Fullstack Developer
Tangram 2019 - 2019
Worked across frontend and backend features using Angular, Node.js, Express, and MongoDB.
Skills
front-end
english
ukrainian