Contact information

You can get this candidate's contact information from https://www.work.ua/resumes/20004829/

Work experience

Full stack програміст

from 06.2025 to now (1 year 5 months)
Self-employed, Дистанційно (IT)

Tech: React 19, TypeScript, Node.js, Express, Sequelize, MySQL, MongoDB, Next.js, TanStack Query, Ant Design, Webpack,
Vitest, GitHub Actions
1. Completed Udemy “Node.js - The Complete Guide” (June 2026) and “Next.js + Tailwind” (August 2026) to extend frontend expertise to server-side JavaScript and Next.js.
2. Built books_demo_spa, a full-stack demo application in an npm-workspaces monorepo: React 19, TypeScript, TanStack Query, Ant Design, and Webpack on the client, and a Node.js, Express 5, Sequelize, and MySQL API with session-based authentication, role-based permissions, and CI on GitHub Actions
3. Built restoran_demo_ssr, a server-side rendered demo application with Next.js, TypeScript, and MongoDB, tested with Vitest.

Front-end developer

from 03.2019 to 05.2025 (6 years 3 months)
CareDev.io, Харків (IT)

Tech: React, TypeScript, JavaScript, React Hooks, Custom Hooks, Context API, Redux, HTML5, CSS3, SCSS, LESS, PostCSS, BEM, Jest, React Testing Library, REST APIs, WebSocket, Amazon Chime SDK, Sentry, Webpack, ESLint, Git, CI/CD
1. Owned frontend architecture and technical direction for 4 production applications serving 10,000+ users, driving modernization that improved performance, build times, and production reliability.
2. Led a 2-4 person frontend team, owning architecture decisions, code reviews, engineering standards, mentoring, onboarding, and 10+ technical interviews.
3. Led a year-long migration of 200+ React class components to functional components and Hooks alongside active feature development, without interrupting product delivery.
4. Drove TypeScript adoption, migrating legacy JavaScript and improving type safety across components, shared interfaces, and data flows.
5. Split a monolithic frontend into 3 independent applications and consolidated them with a 4th into a single monorepo with shared architecture and development standards.
6. Centralized 50+ reusable components, API integrations, Hooks, types, and utilities across 4 applications, reducing duplication and saving 2-10 hours per applicable task.
7. Established Custom Hooks and Context API patterns for shared logic and application state, improving separation of concerns and maintainability.
8. Wrote unit tests with Jest for components, Hooks, and utilities, validating behavior during legacy migrations and reducing regression risk.
9. Reduced initial load time to ~2-5 seconds through lazy loading and code splitting.
10. Cut build times from 7-10 to 3-5 minutes across 4 applications with build caching, accelerating CI/CD feedback.
11. Improved production reliability with React Error Boundaries and Sentry monitoring, enabling faster detection and investigation of runtime errors.
12. Built data-intensive healthcare workflows: dashboards, interactive charts, large data tables, advanced filtering, dynamic forms, and PDF reporting.
13. Implemented real-time chat and live updates via WebSocket and integrated Amazon Chime SDK for in-app video conferencing.

Front-end developer

from 09.2018 to 02.2019 (6 months)
Software Development Hub, Харків (IT)

Tech: React, Redux, JavaScript
1. Delivered production React/Redux features and reusable components for a single-page application.
2. Implemented Redux-based state management for complex user interactions and data-driven workflows.
3. Refactored existing React functionality and resolved production issues while maintaining continuous feature delivery

Front-end developer

from 10.2017 to 09.2018 (1 year)
Factor-IT, Харків (IT)

Tech: React, Redux, JavaScript
1. Delivered production React/Redux functionality for complex accounting and public-sector workflows.
2. Built reusable React components and implemented predictable state management for data-intensive application screens.
3. Diagnosed and resolved frontend production issues while supporting reliable delivery of business-critical functionality.

Full stack developer

from 10.2014 to 10.2017 (3 years)
Q-system, Харків (IT)

Tech: PHP, CakePHP, JavaScript, jQuery, MySQL, CRM, CMS
1. Delivered CRM, CMS, and e-commerce functionality across frontend and backend layers using PHP, CakePHP,
JavaScript/jQuery, and MySQL.
2. Developed custom modules, business workflows, and customer-facing functionality to support evolving business
requirements.
3. Built third-party integrations and website parsing functionality, connecting external data and services with internal
business applications.
4. Diagnosed production issues and optimized existing functionality while continuing to deliver new application
capabilities.

Education

Kharkiv National University of Radio Electronics

Faculty of Computer Engineering and Control, Харків
Higher, from 2008 to 2013 (5 years)

Masters degree in Information and Communication Systems Security

Knowledge and skills

• React
• TypeScript
• JavaScript
• Front-end development
• Redux
• React Hooks
• Context API
• State Management
• Component-Based Architecture
• Front-End Architecture
• Performance optimization
• Monorepo
• Jest
• React testing library
• Vitest
• Next.js
• Node.js
• REST API
• WebSocket
• GitHub Actions
• HTML
• CSS
• TanStack Query
• React Router
• Ant design
• Recharts
• SPA development
• Atomic design
• Code Splitting
• Lazy Loading
• Unit testing
• Sentry
• CI/CD
• Webpack
• ESLint
• Git
• Amazon Chime SDK
• Video Conferencing
• Technical Leadership
• Code Review
• Technical Interviewing
• Express.js
• MySQL
• MongoDB
• Tailwind CSS
• GraphQL
• Claude Code
• Microsoft Copilot
• JQuery
• PHP

Language proficiencies

• English — above average
• Ukrainian — fluent