Hi, I'm Denis, a passionate front-end developer based in Sofia, Bulgaria. With a strong background in web development and a focus on optimizing user experiences, I enjoy collaborating with designers to bring their visions to life. I thrive on challenges and am dedicated to continuous learning in the ever-evolving tech landscape. In my free time, I love exploring new technologies and improving my coding skills.

Denis Kyosev

Hi, I'm Denis, a passionate front-end developer based in Sofia, Bulgaria. With a strong background in web development and a focus on optimizing user experiences, I enjoy collaborating with designers to bring their visions to life. I thrive on challenges and am dedicated to continuous learning in the ever-evolving tech landscape. In my free time, I love exploring new technologies and improving my coding skills.

Available to hire

Hi, I’m Denis, a passionate front-end developer based in Sofia, Bulgaria. With a strong background in web development and a focus on optimizing user experiences, I enjoy collaborating with designers to bring their visions to life. I thrive on challenges and am dedicated to continuous learning in the ever-evolving tech landscape. In my free time, I love exploring new technologies and improving my coding skills.

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Experience Level

Expert

Language

Bulgarian
Fluent
English
Advanced
Turkish
Beginner

Work Experience

Front-end developer at Decathlon Bulgaria
April 13, 2021 - Present
In my current role, I analyze user behavior through various tools and optimize website performance while developing custom widgets and features using modern technologies. Additionally, I manage project tasks and integrate A/B testing to enhance user experience.
Web developer at COD Logistic
February 21, 2020 - April 12, 2021
I was responsible for developing and maintaining user-friendly e-commerce websites. My role included optimizing website performance, conducting cross-platform testing, and resolving various troubleshooting issues to enhance reliability.
Front-end developer at Pegma Group
February 4, 2019 - February 20, 2020
I focused on game development, enhancing UI/UX flow, and ensuring responsiveness of applications. My contributions spanned the entire game development lifecycle from concept to implementation.

Education

Bachelor of Computer Science at Angel Kanchev University of Ruse
October 1, 2013 - October 1, 2017

Qualifications

Build Responsive Real-World Websites with HTML and CSS
January 11, 2030 - January 30, 2026
JavaScript Advanced
January 11, 2030 - January 30, 2026
Figma UI/UX Essentials
January 11, 2030 - January 30, 2026
English Speaking Patterns Mastery
January 11, 2030 - January 30, 2026
The Project Management Course
January 11, 2030 - January 30, 2026
Being Strategic: Thinking and Acting with Impact
January 11, 2030 - January 30, 2026

Industry Experience

Computers & Electronics, Gaming, Software & Internet