Sergey Gromkov Email & Phone Number

Белград, Сербия

Москва, Россия

Москва, Россия

Achievements:- I have assembled a strong team of developers in which the developers are successfully growing professionally, and express satisfaction with their work and involvement with the team.Managing a team of four frontend developers at matchtv.ru:- Hiring frontend developers: I developed a plan of technical interviews and hired five developers, who make an effective and friendly team;- Planning deadlines and distributing tasks among the developers on my team;- Participate in defining terms of reference;- Sharing knowledge with junior developers and creating career growth opportunities for my team members;- Keeping track of timely implementation of technical duty: refactoring old code, expanding project documentation, increasing testing coverage, timely updates of dependencies in the code;- Keeping track of the site's Lighthouse metrics, and looking to increase those metrics.

Москва, Москва, Россия

Achievements:- I developed a video player that allowed the company to reduce the monthly costs of using a third-party video player, increase advertising revenue due to the greater number of supported advertising formats in the video player, collect enhanced statistics on broadcast viewing due to the implementation of a user activity collection system in the player.- I built a project architecture that allows the team to launch new sections of the site quickly and safely: use common components, and safely modify them to meet business objectives, without affecting the finished parts of the site. In developing the architecture I was guided by SOLID, Pure Architecture, and Pure Code principles.Developed the client side of matchtv.ru:- Designed the architecture;- Picked out the project stack;- Developed user interfaces and client logic;- Developed a video player with support for different advertising formats, various video streams, and collecting advanced statistics on user interaction with the player;- Implemented unit tests;- Wrote documentation and development agreements for the frontend developers on my team;- Wrote text and video guides for testing complex interfaces and advertising on the site.

Moscow, Russia

Responsible for the development of site interfaces: matchtv.ru and sportbox.ruStack of technologies I use within this project:- Front End: Javascript, Stimulus, VideoJS, React- Layout: BEM- CSS: LESS, SCSS- Builders: Webpack- Backend: PHP, Symfony- Version Control: Git, GitLab- Bug Trackers: Jira- Knowledge base: Confluence

Москва, Россия

Developed websites using HTML, CSS, Javascript, PHP.

Москва, Россия

Maintained relations with clients, planned timeframes andcosts of projects, created documents, assigned tasks to developers and ensured control over taskdelivery and the development quality, maintained financial records.HR management: recruited and developed employees, solved tasks related to office needs.Due to a lack of resources, sporadically coded websites.

Москва, Россия

Developed websites using HTML, CSS, Javascript, PHP.

Taught C#, PHP, JavaScript classes to schoolchildren.Taught classes covering HTML, Blender modelling, Adobe flash and Expression Blend flashtechnologies topics.