Ярослав

Yaroslav Perekhodov
Personal Frontend Developer
information 3 years of experience

About me:
Languages Front-end developer specializing in building responsive and interactive web
English: Intermediate (technical interfaces.
communication) Worked on production SPA projects, implementing UI logic, state
Ukrainian: Fluent management, and REST API integrations.

Technical Skills
Work Experience
Frontend: Js, HTML, CSS,
React
QR-Image (2025-2026)
Frontend Developer
Databases: MongoDB,
Designed and implemented a multi-step UI flow from configuration to
SQLite download, improving task completion rate by ~35%
DevOps: Docker, Nginx, Built real-time QR preview system, reducing user trial-and-error actions
Linux (VPS deployment) Implemented customizable QR settings interface, increasing user interaction
depth
Integrated frontend with backend QR generation services via API
Contacts Deployed the project to a VPS using Docker and Nginx, ensuring stable
production access
Email
[відкрити контакти](див. вище в блоці «контактна інформація») TempestCup (2024-2025)
https://t.me/zymer44 Frontend Developer
Implemented the entire frontend architecture using React, reducing
feature development time
Developed authentication and tournament management processes used
by 100% of the platform's users
Developed and implemented dynamic tournament dashboards,
improving status visibility and user navigation efficiency
Integrated the REST API with the frontend, reducing errors related to
data retrieval
Implemented client-side form validation, reducing invalid user
submissions by approximately 25%
Created a fully responsive user interface, improving usability
Worked closely with backend developers to align API contracts and UI
behavior

Commercial project (Education platform) (2025-2026)
Frontend Developer
Implemented 6+ production pages based on Figma designs with pixel-
perfect layout
Translated static designs into interactive UI, increasing user engagement
during live events
Developed custom JavaScript features (randomizer wheel, dynamic
interactions), used daily by 100+ participants during camp activities
Integrated frontend with backend APIs to display real-time user data
and QR scan results
Optimized UI flows for children and mentors, reducing user onboarding
issues by ~30%
Ensured cross-device compatibility, supporting tablets and mobile
devices used on-site