Семен Veteran

Semen Zelenskiy Frontend Developer

CONTACT Phone: [open contact info](look above in the "contact info" section) | Telegram Address: Kyiv, Ukraine

Email: [open contact info](look above in the "contact info" section) LinkedIn

SUMMARY
Frontend Developer with 6+ years of experience building and maintaining complex web applications
using React, TypeScript, Redux, and REST APIs. Worked on a long-term product platform in the gaming
industry, contributing to a CMS and website builder with custom UI systems, drag-and-drop
functionality, and interactive content tools. Experienced in developing scalable and maintainable
frontend architecture with a strong focus on UX, responsiveness, and performance. Comfortable working
in product-oriented teams, taking ownership of features, and collaborating closely with backend
developers and designers. Interested in building real business products and growing together with a
strong engineering team

PROFESSIONAL Research and Development Engineer | March 2020- May 2026
EXPERIENCE Six Impossible Things Before Breakfast (6IT)
Developed and maintained complex frontend functionality using React, TypeScript, Redux,
and REST APIs for a long-term product platform.
Participated in development of a CMS and website builder used for creating promotional
gaming websites.
Built custom drag-and-drop systems, configurable UI components, and interactive
animation-heavy interfaces, improving editor usability and flexibility.
Contributed to development of a custom content editor with HTML generation capabilities
and reusable content tools.
Implemented iframe and widget integrations for external websites and partner platforms.
Improved frontend performance, cross-browser compatibility, and responsiveness across
multiple projects.
Collaborated closely with designers and backend developers to deliver scalable and
maintainable product solutions.
Worked in a product-oriented team using Git, Jira, CI/CD workflows, and code review
practices

SKILLS Core Web Technologies Frameworks & Libraries
HTML5, CSS3, Sass (SCSS), BEM, React, Redux, Next.js
JavaScript (ES6+), TypeScript
API & Data Handling Additional Skills
REST API, JSON, Axios, Fetch Responsive Design, Cross-browser
Compatibility, Performance Optimization, SSR
Tools & Workflow Programming Concepts
Git, GitHub, GitLab, Jira, Figma, CI/CD Frontend Architecture, Reusable
Components, State Management, OOP
English
Upper-Intermediate (B2+)

EDUCATION National University of Life and Environmental Sciences of
Ukraine | 2016-2018
Master’s Degree in Automation and Computer-Integrated Technologies

National University of Life and Environmental Sciences of
Ukraine | 2013-2017
Bachelor of Science in Automation and Computer-Integrated Technologies