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Sergey I. Senior Front-End Developer

Sergey I.

  • Armenia
  • 5
  • Full-time (40 hrs/week)
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I'm a Senior Front-End Developer with over 5 years of experience in various areas of web development. I'm skilled in using HTML, CSS, JavaScript, as well as popular libraries and frameworks like ReactJS, Redux, Node.js and TypeScript. I have a strong understanding of API integration and SEO best practices.

My key competencies include generating detailed documentation, designing user-centered features, creating simple prototypes and crafting reusable code.

Also skilled in maintaining and optimizing web and mobile applications to keep pace with evolving technology trends, ensuring high performance and responsiveness of the UI.

Additionally, I have the ability to debug complex issues, pinpoint root causes and effectively work with version control systems like Git. Beyond technical abilities, I also excel in leadership roles, guiding teams towards the projects success while ensuring a high level of user experience throughout.



Skills and experiences



  • Accomplishments
  • Javascript Basics > 75%
  • Javascript Advanced > 75%
  • Javascript Expert > 75%


  • Accomplishments
  • React.js Basics > 75%
  • React.js Advanced > 75%
  • React.js Expert > 75%

Skills and experiences

Senior Front-End Developer

4 years

The Ticket Fairy offers event management, data analytics, ticketing and marketing services, enabling events companies and organizers to increase attendance levels, social media exposure and consumer engagement, and provide an enhanced experience to their patrons. - Developing new features - Building reusable codes - Maintenance and optimization of main product and it's sub-products - Documentation writing - Rewriting and refactoring legacy codes and sub-products - Collaboration with back-end team and web designers - Writing functional requirement documents and guides - Managing front-end team: assigning tasks, technical discussions, code review - Collaboration with project managers to define project requirements, timelines and deliverables - Resolving application's performance issues Tools: GitHub, Jira, ClickUp, Notion, Slack Technologies: ReactJS, TypeScript, Three.js, Node.js, SASS, Gatsby, D3.js, RestAPI

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