Ігор

IHOR LOZA
Frontend Engineer - React / TypeScript / Next.js
Ukraine (Remote) | [open contact info](look above in the "contact info" section) | [open contact info](look above in the "contact info" section)

PROFESSIONAL SUMMARY
Frontend Engineer with strong experience in React, TypeScript, Redux, and legacy frontend modernization. I have worked on
production web applications, dashboard-style interfaces, data visualization, AngularJS/Angular to React migration, internal UI
packages, and performance improvements.
My main strength is building and maintaining practical frontend features in real product codebases: UI components, forms,
dashboards, API-connected interfaces, refactoring, bug fixing, and improving code structure over time.

CORE SKILLS
Main stack React, TypeScript, JavaScript, Next.js, Redux Toolkit, React Hooks
HTML5, CSS3, Tailwind CSS, SASS, responsive layouts, reusable
UI and styling
components
Dashboards, forms, API-connected interfaces, bug fixing,
Product work
refactoring, performance improvements
Data visualization Highcharts, Canvas, chart-heavy interfaces
Tools Git, Webpack, Jest, REST APIs, basic Node.js, Docker

EXPERIENCE
Frontend Developer - Matics Mar 2023 - Aug 2025
• Developed and maintained dashboard-style interfaces and data visualization features using React, TypeScript, and Highcharts.
• Migrated legacy AngularJS components to React and improved maintainability of existing frontend code.
• Fixed rendering bottlenecks and improved responsiveness in complex UI screens.
• Built and maintained internal npm packages/components used across product teams.
• Delivered production-ready features, bug fixes, and UI improvements for enterprise product systems.
Frontend Developer - ESPEO Mar 2022 - Mar 2023
• Built frontend features for internal MERN-based tools and product workflows.
• Implemented UI components, forms, API integrations, and improvements to existing systems.
• Supported reliability and test coverage improvements in active frontend codebases.
Frontend Developer - Leap Gaming Nov 2021 - Feb 2022
• Worked on production UI for a gambling platform, focusing on performance, stability, and reusable frontend features.
• Improved existing application screens and helped maintain product-facing frontend functionality.
Frontend Developer - Evolve 2019 - 2021
• Worked on large Angular applications and improved frontend structure, performance, and maintainability.
• Built isomorphic React applications from scratch and contributed to React Native mobile features.
• Implemented UI components, API-connected screens, and reusable frontend logic.
Earlier Frontend Experience - Multiple companies 2012 - 2018
• Built and maintained Angular/AngularJS applications, canvas-based UI systems, trading dashboards, and API integrations.
• Worked across long-lived product codebases with a focus on UI development, bug fixing, and feature delivery.
SELECTED STRENGTHS
• Strong practical React/TypeScript frontend development experience in production applications.
• Comfortable with legacy codebases, frontend modernization, refactoring, and incremental improvements.
• Experience with chart-heavy dashboards, complex UI states, and API-connected product interfaces.
• Good fit for teams needing a frontend developer who can ship features, fix problems, and improve code quality over time.
EDUCATION
Bachelor of Computer Science - Open International University of Human Development "Ukraine"