Middle Frontend Developer - Opinov8 "SilkChart" Project: An AI-powered sales intelligence platform analyzing sales calls and playbook execution.
- Developed and delivered 10+ production features using React, Next.js, and TypeScript
- Built reusable UI components and internal libraries aligned with a shared design system (Shadcn UI, Tailwind, Zustand)
- Improved frontend performance through lazy loading, memoization, and component optimization, reducing render time by ~25%
- Integrated complex REST APIs and data pipelines in collaboration with backend and data engineering teams
- Increased application reliability by improving API integration and frontend error handling
- Set up and maintained automated testing (Jest, React Testing Library, Cypress), achieving 85% test coverage
- Worked closely with designers via Figma and participated in Agile ceremonies (sprint planning, reviews, retrospectives)

Junior Frontend Developer - Opinov8 "EnergyAspects" Project: Energy market research and analytics platform.
- Improved UI performance and fixed critical bugs, achieving up to 60% faster load times.
- Diagnosed and resolved performance bottlenecks using Chrome DevTools and React Profiler- Reduced average page load time by ~20% across key dashboards.
- Developed and maintained frontend features using React and TypeScript.
- Built internal dashboards and user interfaces for a web-based HR system.
- Wrote clean, maintainable code following ESLint and Prettier standards.
- Actively participated in Agile development, contributing improvement ideas adopted in production.