Frontend Developer Senior

OLEKSANDR HORBENKO

Tampa, Florida • +1-656-***-**** • *************@*****.*** • linkedin.com/in/olhor

SUMMARY

Senior Frontend Engineer with 7+ years of experience in building scalable web applications. Skilled in React, TypeScript, Next.js, accessibility (WCAG/ADA) and performance optimization. Actively engaged in code reviews, mentoring, and technical leadership, supporting teams in building efficient development processes.

Currently seeking an opportunity to contribute as a Senior Engineer and grow together with a forward-thinking team.

PROFESSIONAL EXPERIENCE

GlobalLogic, Tampa, Florida, US 2024 – Present

Senior Frontend Developer

● Developed AI training platform handling complex data types (video, text, images, audio), delivering stable prototype within 5 months.

● Optimized UI performance, enhancing user experience and accelerating data processing workflows by 40%.

● Increased application reliability and performance by migrating dependencies to the latest versions, resulting in a 10% increase in overall productivity.

● Led code reviews and technical discussions, reducing code defects by 18% and improving team velocity by 12%.

GN Group, Warsaw, Poland 2024

Senior Frontend Developer

● Boosted Jabra e-commerce platform page load speed by 60%, delivering a significantly smoother user experience.

● Engineered responsive UI with TypeScript, React, and Next.js, ensuring seamless device compatibility, improving user engagement by 30%.

● Implemented cross-browser compatibility solutions, reducing UI-related bug reports by 20%.

● Enhanced accessibility (a11y) compliance, implementing WCAG guidelines for better usability with assistive technologies.

Coginiti, Warsaw, Poland 2022 – 2024

Frontend Developer

● Built a data analysis platform, enabling 50% faster processing and querying of large datasets.

● Optimized data visualization components, reducing load times by 45% and improving clarity for users analyzing complex data.

● Enhanced platform accessibility, ensuring inclusive user experience and boosting usability scores by 30%

GlobalLogic, Kyiv, Ukraine 2019 – 2022

Frontend Developer

● Directed all Scrum ceremonies, including sprint planning, daily stand-ups, and retrospectives, resulting in a 20% increase in team productivity.

● Directed the development of a React SPA version of the legacy application, guided the team through the migration process, resulting in increased scalability, and lifted overall performance by ~100%.

● Accomplished a strategic initiative to address the team's tech debt, resulting in a 40% faster resolution of technical issues, and a 20% increase in application performance. Merehead, Kyiv, Ukraine 2018

Junior Frontend Developer

● Developed reusable React components, cutting development time for new features by 20%.

● Collaborated in 4-person team to deliver project within established timelines.

● Enhanced core functionality, streamlining business operations and increasing process efficiency by 25%.

EDUCATION

State University of Technology and Infrastructure, Kyiv, Ukraine 2021 Master of Software Engineering, Computer Science.

State University of Technology and Infrastructure, Kyiv, Ukraine 2020 Bachelor of Software Engineering, Computer Science. SKILLS

● CSS

● HTML

● JavaScript

● Typescript

● React

● Redux

● Mobx

● Google Cloud

● Jest

● React-testing-library

● WCAG/ADA

● Pixi.js

● Node.js

● Express

● MongoDB

● Unit/Integration/E2E

Testing

● CSS3

● Responsive UI

● Agile

● OOP

● Functional

Programming

● Interviewing

● Mentoring/Coaching

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