Anton Popenkov Email and Phone Number

I supported and developed various applications for companies on outsourcing:· Developed from scratch a hotel web application for one of the largest hotel chains in the world using React, Redux, TypeScript, Framer motion. I enhanced UX by implementing interactive booking multistep forms and by developing UI elements, such as planners and calendars.· Improved codebase maintainting by implementation of the feature Sliced Design (FSD) methodology, TypeScript, tests (jest, react-testing-library) and tech documentation writings. Contributed to the reusable UI component library.· Optimized and extended functionality for an internal HR portal for one of the leading universities in the region by migrating from JavaScript to React, refactoring the project with the modern development practices and by implementation of complex interactive multistep form with sync/async validation and conditional input sections, fetching input schema from back end for various user roles using React and Redux.

· Developed from scratch and also refined complex interfaces and optimized performance in more than 10 projects on outsourcing: · I developed a user-friendly UI that improved customer engagement by over 20% by redesign the web app of the largest metallurgical company in the region. · Improved loading speed by over 30% and performance by tuning web vitals metrics and code base refactoring of the largest company in the region, specializing in the sale of sanitary equipment and building materials. · Enhanced PR strategy results clarity and increased expert satisfaction by 25% , according to experts poll by redesigning the expert dashboard and by optimizing loading speed by over 50% by eliminating errors, updating dependencies, optimizing resources, using lazy loading and refactoring code.· Reduced project build time by more than 2 times by creating and introducing a code task manager (Webpack) that simplifies code writing, performs operations faster, and takes over routine operations.· Participated in new hire onboarding, performance review, and tech costs/requirements estimation.

Implemented websites, mobile applications, and landing pages from mockup through deployment.

Worked in various positions in the call center. My experience includes communicating with clients and VIP clients in English and German.