I am a Front-End Developer with extensive experience in building scalable, responsive, and high-performance web applications. I specialize in React, Angular, TypeScript, and modern JavaScript, with a strong focus on UI/UX implementation and web performance optimization. I thrive in collaborative environments, working closely with cross-functional teams through the entire software development lifecycle to deliver solutions aligned with business objectives. Over my career, I have successfully developed multiple websites that improved web performance by up to 35% and reduced page load times by 40%. My skills include converting design wireframes into mobile-first interfaces, refactoring legacy code for maintainability, and deploying solutions using modern cloud platforms. I am passionate about continuous learning and delivering impactful digital experiences.

Barchynai Kochkonbai

I am a Front-End Developer with extensive experience in building scalable, responsive, and high-performance web applications. I specialize in React, Angular, TypeScript, and modern JavaScript, with a strong focus on UI/UX implementation and web performance optimization. I thrive in collaborative environments, working closely with cross-functional teams through the entire software development lifecycle to deliver solutions aligned with business objectives. Over my career, I have successfully developed multiple websites that improved web performance by up to 35% and reduced page load times by 40%. My skills include converting design wireframes into mobile-first interfaces, refactoring legacy code for maintainability, and deploying solutions using modern cloud platforms. I am passionate about continuous learning and delivering impactful digital experiences.

Available to hire

I am a Front-End Developer with extensive experience in building scalable, responsive, and high-performance web applications. I specialize in React, Angular, TypeScript, and modern JavaScript, with a strong focus on UI/UX implementation and web performance optimization. I thrive in collaborative environments, working closely with cross-functional teams through the entire software development lifecycle to deliver solutions aligned with business objectives.

Over my career, I have successfully developed multiple websites that improved web performance by up to 35% and reduced page load times by 40%. My skills include converting design wireframes into mobile-first interfaces, refactoring legacy code for maintainability, and deploying solutions using modern cloud platforms. I am passionate about continuous learning and delivering impactful digital experiences.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
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Language

Work Experience

Front-End Developer at Upwork
October 1, 2022 - Present
Built over 5 responsive websites for clients in e-commerce, fitness, and service industries using React.js. Improved page load speed by 75% by using React.memo, higher-order functions, and CSS sprites to minimize HTTP requests. Collaborated with UI designers to convert Figma wireframes into responsive, mobile-first UIs using modern CSS and JavaScript libraries such as Bootstrap, Material-UI, Styled Components, and Sass. Utilized JIRA for efficient issue tracking and deployed applications on Firebase to ensure performance, security, and scalability. Refactored legacy class components into modern React functional components with Hooks, improving code maintainability and reducing complexity by 45%.
Software Engineering Intern at EPAM Systems
October 1, 2022 - September 2, 2025
Contributed to the development of EPAM’s internal learning platform using Angular and Node.js. Used Git/GitHub for version control and Jenkins for CI/CD pipeline, improving deployment automation processes by 30%. Collaborated within cross-functional teams in an Agile environment, utilizing Scrum and Git workflows to deliver quality software. Implemented secure token-based authentication with Angular Forms, Routing Guards, and HttpInterceptors. Developed reusable Angular components using ngTemplateOutlet and ng-content, enhancing development efficiency by 30%.
Front-End Developer Trainee at Seytech Web Developer Bootcamp
June 1, 2022 - September 2, 2025
Completed a 1075-hour intensive front-end development program focused on JavaScript, React, HTML, CSS, and modern frontend web development frameworks.

Education

Bachelor Degree in Economics at KRSU University, Kyrgyzstan
January 1, 2013 - September 2, 2025

Qualifications

Front-End Developer Certificate
January 1, 2025 - September 2, 2025
Front-End Developer Certificate
January 1, 2022 - September 2, 2025

Industry Experience

Software & Internet, Retail, Professional Services, Education, Travel & Hospitality
    paper Tourism website

    https://www.twine.net/signin is a website where I contributed as a front-end developer. I worked on the UI, Specifically on Card components where users can see tours by type of vacation, such as bike trips, family vacations, one-week trips, full-day tours, or 2–3 day tours. The website turned out very beautiful, and I really enjoyed working with the team. This is one of my favorite projects.