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Sophia Prozorova
Frontend Team Lead / Senior Frontend Engineer
Ivano-Frankivsk, Ukraine | [open contact info](look above in the "contact info" section) | [open contact info](look above in the "contact info" section) | Linkedin

Summary
Frontend Developer with 5+ years of hands-on React/TypeScript development and a consistent track
record of growing into team leadership. Mentored middle engineers across multiple companies and
conducting 1:1 sessions, drove cross-functional collaboration between Frontend/QA/Design. Skilled in
building scalable user interfaces using React, Next.js, Redux, and RTK Query, ensuring reliable state
management and efficient data flow. I deliver complex UI modules with a strong focus on UX,
performance, and quality. I also design RESTful APIs, implement JWT-based authentication and access
control. I focus on maintainable architecture, reusable components, and reducing technical debt, while
strengthening engineering standards through code reviews and knowledge sharing.

Skills
Leadership: Team mentoring, 1-on-1s, code reviews, sprint refactoring, cross-team coordination
Core technologies: JavaScript(ES6+), HTML5, CSS3, Browser API, REST API
Frameworks and libraries: TypeScript, ReactJS, Redux, React Query, Formik,, React Hook Form,
React Testing Library, Google Analytics, Google OAuth 2.0, SASS/SCSS (modules), Styled Components,
Tailwindcss, Node.js, Express.js, Axios, Socket.io, RTK query, GSAP, Three.js (3D animation);
Database: PostgreSQL, MongoDB;
Bundlers: Vite, webpack, NPM;
Bug Tracking Systems: Jira, Trello, Confluence;
Tools: VS Code, Git, Jenkins, Vercel, Cursor AI, Claude AI, Chrome DevTools;
Methodologies: Agile, Scrum, Kanban, PR reviews, knowledge sharing.

Experience
Fullstack Developer Deviark – Remote Oct 2024 – Now
● Supported team development standards through mentoring, peer code reviews, and regular 1:1
knowledge-sharing sessions.
● Developed and maintained an internal dashboard used for managing and monitoring purchased
products, including upgrade flows and usage tracking.
● Built key modules from scratch (Profile/Settings/Statistics) following existing architectural patterns
and team standards.
● Implemented scalable state management using Redux Toolkit and RTK Query, ensuring efficient API
integration and caching.
● Integrated frontend with REST APIs, handling async data flows, loading/error states, and edge cases.
● Delivered complex UI features such as data tables, pagination, and dynamic forms using React Hook
Form.
● Improved code quality through refactoring, selector optimization, and active participation in code
reviews.
● Introduced JWT-based authentication
Tech stack: React, TypeScript, Redux Toolkit, RTK Query, REST API, React Hook Form

Frontend Developer Newfold Digital – Kyiv, Ukraine Jan 2022 – Jul 2024
Web Hosting with e-commerce sector
● Mentored developers through onboarding, 1:1 sessions, structured feedback.
● Provided guidance to teammates, contributed to knowledge sharing.
● Product migration from native JavaScript to React.js in order to improve performance and
maintainability (updated speed loading from 0,7s to 0,5s)

● Implemented comparison tables, updated navigation, and a mobile-friendly design to improve the
website's usability
● Added Google Analytics
● Created an authentication via Facebook and Google (oAuth2)
● Added preload animation to improve lazy loading and lifting shared data to reduce loading time.
● Collaborated in Agile teams with designers and back-end developers, contributing to sprint planning
and process improvements.
Coding activities: code review, deployment, creation and validation tech points on tech retro -
implementation of action items, discussion it with the team
Technologies: JavaScript, TypeScript, React.js, GraphQL, JSON, Next.js, Redux, Styled Components,
Tailwindcss, Google Analytics, Google OAuth 2.0, Axios, RTK Query, Jenkins, Jira, Confluence,
WebSocket

Front End Developer SoftServe – Kyiv, Ukraine Jul 2021 – Jan 2022
IT services and IT consulting
● Optimized UI: provided components library
● Assisted with building client’s account and bug-fixing, used React.js to implement designed
mockups.
● Connected front-end components to get data from the backend side.
Participated in Agile practices: effective collaboration with teammates and sharing feedback for more
efficient development.
Technologies: React.js, JavaScript, Redux, React Testing Library

Web Developer IZZI Studio – Kyiv, Ukraine Jan 2020 – Feb 2021
Advertising
● Created interactive 2D/3D animations (GSAP, Three.js) for advertisements banners on web pages.
● Improved load speed by 40%: used lazy loading, image optimization, minification approach.
● Optimization work time: provided SCSS to our projects
Technologies: HTML, JavaScript, GSAP, Three.js, SCSS

Education
National University – Bachelor's in Computer Science, Kyiv, Ukraine, 2021

Additional Education
Kyiv Project Manager Day 2024 – Local IT Management Seminar – Ukraine (2024)
GoIT – Project Management (2024)
Kyiv PM Day — Client Focus (2024)
React+ fwdays’24 — Frontend (2024)
Kyiv AI & BigData Day — AI in Products (2024)

Languages
English Upper-Intermediate
Ukrainian Native
Russian Fluent