Alex Kozlov
Front-End Developer AI Prompt Engineer at Фриланс
Castelló de la Plana, Valencian Community, Spain
Summary
👤
Senior🎓
Top SchoolAlex Kozlov is a front-end developer and AI prompt engineer with 11 years of experience and a proven freelance track record of over 7,000 hours on Upwork, delivering responsive, accessible, and performance-optimized web applications. He blends hands-on coding expertise in HTML5/CSS3, modern JS (ES6+), Tailwind/Bootstrap, SCSS, and Git with practical design skills in Figma and Photoshop to turn pixel-perfect UIs into production-ready products. Alex has led teams and operations as a COO while remaining an active principal developer, guiding projects from concept to delivery for agencies and enterprise clients alike. His background in product management and electronics engineering gives him a pragmatic, metrics-driven approach to user needs and sales-oriented feature prioritization. Based in Castelló de la Plana, Spain, he currently focuses on frontend development and AI prompt engineering, bringing accessibility (WCAG 2.1) and web performance into every project.
11 years of coding experience
10 years of employment as a software developer
Master's degree, engineer electrical mechanic, Master's degree, engineer electrical mechanic at O.M. Beketov National University of Urban Economy in KharkivMaster of Computer Applications - MCA, Computer science, Master of Computer Applications - MCA, Computer science at Kharkiv National Automobile and Highway University
Github Skills (2)
dotnet1
csharp1
Programming languages (1)
Github contributions (5)
alexKozlovDeveloper/GameLife
Feb 2015 - Jul 2019
Contributions:3 pushes, 2 branches in 4 years 6 months
alexKozlovDeveloper/PsychologicalTestSystem
Dec 2014 - Jun 2015
Contributions:50 commits, 61 pushes in 6 months
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