Ігор

IHOR LOZA
Senior Frontend Engineer — React / Redux / TypeScript
Ukraine (Remote)
[open contact info](look above in the "contact info" section) | ✉ [open contact info](look above in the "contact info" section)

PROFESSIONAL SUMMARY
Senior Frontend Engineer with 10+ years of experience building scalable web applications and
enterprise systems.
Strong expertise in React, Redux, and TypeScript, with proven experience maintaining and
migrating legacy AngularJS applications to modern React architecture.
Experienced in performance optimization, complex UI systems, and data visualization using
Highcharts and Canvas.

CORE SKILLS
React, Redux Toolkit, TypeScript, Angular, AngularJS
Highcharts, Canvas
Node.js, MongoDB, REST APIs
Jest, Webpack, Git, Docker

EXPERIENCE

Frontend Developer — Matics
Mar 2023 — Aug 2025
• Developed and maintained complex data visualization dashboards using Highcharts
• Migrated legacy AngularJS components to React
• Improved rendering performance by resolving bottlenecks
• Delivered production-ready features for enterprise systems
• Built and maintained internal npm package library

Frontend Developer — ESPEO
Mar 2022 — Mar 2023
• Built frontend for internal MERN tools
• Supported internal systems and implemented new features
• Improved reliability and test coverage
Frontend Developer — Leap Gaming
Nov 2021 — Feb 2022
• Built scalable UI for gambling platform
• Improved performance and stability of production apps

Frontend Developer — Evolve
2019 — 2021
• Optimized large Angular applications
• Built isomorphic React apps from scratch
• Developed mobile apps using React Native

Earlier Experience | 2012 — 2018
Frontend roles across multiple companies building Angular/AngularJS applications,
canvas-based UI systems, trading dashboards, and API integrations.

EDUCATION
Bachelor of Computer Science
Open International University of Human Development “Ukraine”