Oleh Fedotov

Front-End Developer at Citigroup

Developed a shared component library increasing development speed across teams. Led architectural refactoring for a modular and scalable frontend design, reducing bundle size by 20%. Used Material UI to prototype and implement consistent, theme-based UI components with reusable design patterns. Developed a scalable Next.js application with reusable component architecture and server-side rendering. Collaborated with design and back-end teams to streamline feature delivery. Wrote unit and integration tests to maintain high code quality. Improved UI consistency and developer efficiency by creating reusable components and modularizing the frontend, resulting in faster feature rollout and reduced bugs.

Front-End Developer at City Group

Developed a shared component library increasing development speed across teams. Led architectural refactoring for a modular and scalable frontend design, reducing bundle size by 20%. Used Material UI to prototype and implement consistent UI components with reusable design patterns. Developed a scalable Next.js application with reusable component architecture and server-side rendering. Collaborated with design and backend teams to streamline feature delivery. Wrote unit and integration tests to maintain high code quality. Improved UI consistency and developer efficiency by creating reusable components and modular frontend, resulting in faster feature rollout and fewer bugs.

Front-End Developer at Grid Dynamics

Built micro-frontend React applications to improve deployment flexibility and maintainability. Migrated legacy Monorepo to modern React architecture. Implemented secure payment features using Stripe API integration. Developed responsive interfaces with Tailwind CSS across micro-frontends. Test coverage for continuous delivery. Conducted code reviews and maintained comprehensive technical documentation. Improved system scalability and deployment speed by introducing micro-frontend architecture and optimizing payment workflows, which improved user trust and reduced downtime.

Front-End Instructor at PHP Academy

Delivered 30+ workshops on HTML, CSS, JavaScript, React, Redux, and MobX. Developed lesson plans and real-world projects for hands-on learning. Mentored students transitioning into tech careers. Introduced Tailwind CSS to improve layout consistency and reduce CSS complexity. Guided students in building responsive, maintainable interfaces using utility-first CSS. Improved students’ understanding and adoption of modern CSS techniques by introducing Tailwind CSS, which simplified their workflow and improved project quality.

Front-End Instructor at DTS / PHP Academy

Delivered 30+ workshops on HTML, CSS, JavaScript, React, Redux, and MobX. Developed lesson plans and real-world projects for hands-on learning. Mentored students transitioning into tech careers. Introduced Tailwind CSS to improve layout consistency and reduce CSS complexity. Guided students in building responsive, maintainable interfaces using utility-first CSS. Improved: Enhanced students' understanding and adoption of modern CSS techniques by introducing Tailwind CSS, which simplified their workflow and improved project quality.

Front-End Developer at Delphi Software

Developed a browser-based code editor with syntax highlighting and WebSocket integration. Built internal tools and dashboards to enhance productivity. Delivered custom UI components for educational platforms. Improved productivity by delivering a real-time code editor that reduced lag and improved collaboration features, leading to better engagement on educational platforms.

Worked at an organization named in the resume as Intеcracy Group; led front-end development, implemented new UI features and integrated back-end APIs. Refactored legacy codebase to improve maintainability and responsive UI.