Senior Frontend Engineer with 6+ years of commercial experience, working in teams ranging from 3 to 12 members, both remotely and on-site. Built and scaled web applications across fintech, AI, and industrial domains. Led the full development cycle – from gathering business requirements to CI/CD automation and production delivery. Proficient in modern JavaScript frameworks, UI/UX optimization and building secure, high-performance applications.
In addition to core frontend expertise, implemented multiple features involving GPU-accelerated graphics for data visualization, machine learning models for predictive UX, and web3 features for decentralized apps. Focused on integrating ML/AI features to enhance performance and improve user experience.
Experience: 6 years
Yearly salary: $154,000
Hourly rate: $80
Nationality: 🌏 Remote
Residency: 🇩🇪 Germany
Experience
Senior Frontend Developer
Devexperts LLC 2024 - 2025
Designed and implemented a micro-frontend architecture for modular UIs, reducing development costs by 31% and speeding up delivery by 30%. Increased feature delivery rate from 50.2% to 76.6% by developing a custom UI library. Implemented predictive prefetching for faster page loading using a TensorFlow.js ML model reducing average page load time by 23.4%. Improved the SEO ranking, leading to 42% increase in organic traffic.
Frontend Developer
Sberbank 2021 - 2024
Led the migration of a complex card management application to a modern stack - React, TypeScript, Zustand, reducing further development time by ~43%. Increased test coverage up to 90% using Cypress, reducing bugs during testing and ensuring faster, safer delivery of new functionality. Developed a reusable AI-powered chat widget for easier access to card information, user accounts, transactions, and other operations.
Frontend Developer
X-tensive 2019 - 2021
Re-architected rendering for large-scale datasets in React applications, optimized caching with React Query, and streamlined Webpack bundling, resulting in 18.7% faster load times. Automated QA processes by integrating Jest tests into the CI/CD pipeline, increasing test coverage from 28.2% to 87.8%. Developed interfaces for real-time interaction with industrial systems, including charts and dashboards for production monitoring.
Skills
agile
angular
aws
bitcoin
css
ethereum
graphql
javascript
nextjs
react
scrum
seo
tensorflow
typescript
web3
front-end
