Denys Korolkov

Denys Korolkov has a strong background in frontend development, with experience spanning over 17 years. Denys has worked for various companies, including Chief, Sphere Software, Groupon, EverybodyFights, Human Interest, InfoWatch, professionali.ru, GlobalLogic, and Leader-Group Inc.

At Chief, Denys served as a Senior Frontend Developer, where they contributed to the development of a private membership network focused on connecting and supporting women executive leaders. Denys utilized technologies such as Typescript, Node.js, React, GraphQL, and Jest, among others. Denys and their team successfully released an international version of the core onboarding flow.

As a Lead Front-End React Engineer at Sphere Software, Denys demonstrated their expertise in React and played a key role in frontend development. At Groupon, they served as a Senior Frontend React Engineer, contributing to an American global e-commerce marketplace. Denys was responsible for utilizing technologies like JavaScript, TypeScript, React, Redux, and Jest, among others.

Denys also gained experience as a Full-Stack/Front-End/Web Developer through their freelance web development work. Denys showcased their skills in various projects and technologies during this period.

Additionally, Denys worked as a Full Stack Engineer at EverybodyFights, where they contributed to the development of a fitness platform. At Human Interest, they served as a Lead Frontend React Engineer and was responsible for developing the new look of the client-side application using React.

Denys gained cybersecurity expertise as a Senior Frontend Engineer at InfoWatch. Denys successfully released the web interface for InfoWatch Traffic Monitor 5.0. Furthermore, at professionali.ru, Denys made a significant contribution to the modern version of the web interface as a Senior Frontend Engineer. Denys was actively involved in legacy support, consulting, bug fixing, optimization, refactoring code, and database design.

Earlier in their career, Denys worked as a Lead Frontend Engineer at GlobalLogic, where they contributed to the development of software products. Denys also worked as a PHP web developer at Leader-Group Inc, where they redesigned existing web resources and implemented new websites and web applications.

Overall, Denys Korolkov's work experience showcases their expertise in frontend development and their ability to adapt to various technologies and industries.

Denys Korolkov completed their Bachelor's degree in Electronic Devices from MPEI - Moscow Power Engineering Institute (Technical University). Denys attended this institute from 1997 to 2003.