Ruslan

Ruslan Mudryi
Frontend Developer
React / TypeScript / Next.js • English B2
[open contact info](look above in the "contact info" section) • LinkedIn • Telegram • GitHub

PROFESSIONAL SUMMARY

Frontend Developer with over 1.5 years of commercial experience building responsive and scalable web applications
using React, TypeScript, and modern JavaScript (ES6+). Experienced in developing reusable UI components, integrating
REST APIs, and managing application state with Zustand, Redux, and MobX, while collaborating within Agile teams.
Strong understanding of modern frontend development practices, performance optimization, responsive design, Git
workflows, and CI/CD fundamentals. Focused on writing clean, maintainable code and continuously improving product
quality.

TECHNICAL SKILLS

Languages JavaScript (ES6+), TypeScript
Frontend React.js, Next.js, HTML5, CSS3, SCSS (Sass), Tailwind CSS, Material UI, BEM
State Management Zustand, Redux, MobX, React Context
APIs & REST APIs, Fetch API, WebSockets, Server-Sent Events (SSE)
Communication
Tools & AI Git, Docker, Webpack, Vite, ESLint, Prettier, Cursor, ChatGPT, Claude Code
Practices Responsive Design, Performance Optimization, AI-Assisted Development, Reusable Components,
Modular Architecture, Agile (Scrum, Kanban)
Other Microsoft SQL Server, Figma

PROFESSIONAL EXPERIENCE

Frontend Developer Nov 2024 – Present
• Develop and maintain responsive web applications using React.js, Next.js, TypeScript, and JavaScript (ES6+).
• Build reusable, maintainable UI components based on Figma designs using HTML5, SCSS, Tailwind CSS, and
Material UI.
• Implemented AI response streaming using Server-Sent Events (SSE), enabling real-time display of streamed content.
• Integrated WebSockets to support low-latency, bidirectional real-time communication between client and server.
• Improved a production application's Lighthouse performance score from roughly 30 to 75 by restructuring the MobX
store, adding code splitting and lazy loading, caching API requests, and trimming bundle dependencies.
• Leverage AI tools (Cursor, Claude Code, ChatGPT) to accelerate feature development, optimize refactoring, and
automate routine tasks.
• Manage application state using Zustand, Redux, React Context, and MobX, selecting the appropriate solution based
on project requirements.
• Integrate and maintain REST APIs to support reliable client-server communication.
• Work with Git, modern frontend tooling, and CI/CD workflows throughout the development lifecycle.

Frontend Developer Intern May 2024 – Jul 2024
ELEKS · React, JavaScript, TypeScript, HTML5, SCSS, Git
• Completed a full-time frontend internship with daily code reviews and mentoring from senior engineers.
• Developed responsive UI components using React, JavaScript, HTML5, and SCSS.
• Worked with Git and Jira in a collaborative Agile development environment.
• Participated in Scrum/Kanban ceremonies, gaining experience within professional software development processes.
• Improved practical knowledge of modern frontend architecture, reusable component development, and collaborative
workflows.

EDUCATION
Bachelor's Degree in Software Engineering 2020 – 2024
Lviv Polytechnic National University
Full Stack Course
Mate Academy