solteax

• Built a modular Web Components library from scratch in a team of two frontend developers, optimized for B2B platforms in the Sports and Esports sector. • Delivered a production-ready MVP within 6 months using a stack that included React, scoped CSS Modules, and custom Webpackbased CI/CD packaging. • Integrated real-time live odds via GraphQL subscriptions (graphql-ws, WebSockets), ensuring sub-second updates. • Achieved 100% test coverage from atomic UI elements to complex layouts with Jest + Testing Library. • Contributed to Angular-based admin panel features, ensuring smooth cross-repo collaboration.

• Developed and maintained React-based interfaces with Storybook + Chromatic integration, enabling automated UI regression detection before releases. • Diagnosed and fixed performance bottlenecks, Reduced bundle size by 35% and improved load times by ~40% on mobile networks. • Increased test stability by expanding Cypress coverage across mission-critical flows. • Built custom SendGrid email templates, improving deliverability and visual consistency.

• Delivered SPAs and responsive layouts from Figma designs for clients worldwide. • Created Chrome extensions for scraping, voice input, GIF selection, and IP detection. • Optimized WordPress websites to reach Google PageSpeed “green zone” scores.

• Developed adaptive layouts from Figma and performed front-end maintenance. • Progressed from layout implementation to React component debugging under senior mentorship.