- Developing applications with React and Next JS stack, from zero to production and maintaining existing projects for performance and scalability- Creating cross-browser, responsive layouts using Tailwind CSS, SCSS, and various CSS-in-JS libraries, integrating accessibility features based on WCAG guidelines- Optimizing web applications for performance and load efficiency using Webpack, gzipping, Next.js static generation and server rendering, achieving green scores across all Lighthouse metrics- Creating complex cross-layer transitions, SVG path animations, and state-driven animations using Framer Motion to enhance user interaction and visual engagement- Architecting and implementing scalable design systems, including systems for partner analytics (impressions, clicks on whitelabels, widgets, and links), custom 2FA for securing API methods, and standalone solutions with databases, Redis, and WebSockets- Discovering and implementing well-received solutions for complex UX problems, driven by user behavior analysis and business objectives to deliver impactful, balanced designs- Creating adaptive iframe-based whitelabel solutions and Svelte widgets with customizable color schemes and behavior- Building applications in Flutter and deploying them to web, iOS, and Android, ensuring consistent UI across platforms- Conducting code reviews and guiding the team toward adopting clean code principles- Leading technical interviews

- Developing applications using React and Redux- Building pixel-perfect, adaptive, and responsive layouts for web applications- Setting up and managing the Google Environment (Analytics, Tag Manager, Data Studio)- Migrating codebases from class-based React components to functional components with hooks- Rewriting and optimizing code to improve clarity, maintainability, and performance- Developing integration tests and automating their execution in CI/CD