Refactored and extended features in internal delivery system using React and TypeScript, improving maintainability and aligning UI behavior with business logic. Migrated messenger platform from Vue 2 to Vue 3, utilizing Radix-Vue, TypeScript, and MQTT, boosting application performance by 35%. Engineered web extensions for offer importation, eliminating 80% of manual data entry and increasing team productivity. Created programmatic content retrieval solutions with Python, Scrapy, and Puppeteer, saving 15 hours of manual work weekly. Built a custom CLI translation management tool, reducing localization update time by 60%. Reconstructed freight exchange frontend using Nuxt.js, SCSS, and Bootstrap-Vue, improving page load speed by 45%. Optimized map integration with Leaflet.js and Web Workers, increasing route calculation efficiency by 50% using Turf.js. Extended backend capabilities with Nest.js, MySQL, and TypeORM to improve API functionality. Built a Node.js proxy to transform diverse d

Frontend Developer at Karpachoff

May 1, 2019 - April 1, 2020

Developed responsive, cross-browser landing pages using HTML5, CSS, and JavaScript, achieving a consistent 30% improvement in user engagement metrics. Implemented JavaScript interactive elements that reduced the page bounce rate by 25%. Spearheaded the creation of dynamic web projects, including blogs, driving a 30% increase in user engagement and a 20% boost in site performance. Collaborated closely with design teams to transform complex visual concepts into pixel-perfect, production-ready web interfaces. Engineered custom JavaScript interaction modules that enhanced user interface responsiveness, resulting in a 33% improvement in core web vitals and a measurable reduction in user interaction latency from 350ms to 120ms.