Sereja Tsoi
Hwaseong, South Korea
Sereja Tsoi
JavaScript Frontend Developer
Category : Web development
I am a JavaScript Frontend Developer specializing in building responsive and user-friendly web interfaces.
I work with HTML, CSS, JavaScript, and modern frontend frameworks such as React.
I focus on clean code, adaptive layouts, and performance optimization.
I can help with:
• Website layout and responsive design
• Frontend development with JavaScript and React
• Bug fixing and UI improvements
• Converting Figma designs into clean code
I am responsible, open to feedback, and always focused on delivering quality results on time.
I work with HTML, CSS, JavaScript, and modern frontend frameworks such as React.
I focus on clean code, adaptive layouts, and performance optimization.
I can help with:
• Website layout and responsive design
• Frontend development with JavaScript and React
• Bug fixing and UI improvements
• Converting Figma designs into clean code
I am responsible, open to feedback, and always focused on delivering quality results on time.
Portfolio
Working hours
- Monday:08h00 To 18h00
- Tuesday:08h00 To 18h00
- Wednesday:08h00 To 18h00
- Thursday:08h00 To 18h00
- Friday:08h00 To 18h00
- Saturday:Not available
- Sunday:Not available
- Frontend Developer Course Completion Certificate 13/01/2026
![Frontend Developer Course Completion Certificate]()
Completed a Frontend Developer training program covering HTML, CSS, JavaScript, and modern frontend development fundamentals.
The course included practical projects and hands-on experience.
- 🇬🇧 English
Please sign in as a customer to give your feedback
Sponsored professionals
Need a service ?
Do you want to hire the services of this Professional ?
Post your need and you will receive dozens of proposals from the Professionals of the community.
