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PAVLO KAVULYCH
Senior React / Full-Stack Developer
Lviv, Ukraine | [open contact info](look above in the "contact info" section) | [open contact info](look above in the "contact info" section) |
github.com/Chucky-choo

PROFESSIONAL SUMMARY
React / Full-Stack Developer with 5+ years of experience in advertising technology. Focused on building dashboards, analytics platforms, and ad-management tools. Comfortable working across the stack with React, TypeScript, Express, and NestJS.
WORK EXPERIENCE
Full-Stack Developer2024 – Present
Ad Tech Company
• Developed full-stack features for advertising platforms including dashboards and analytics tools
• Built RESTful APIs with Express and NestJS, integrating backend services with React-based frontends
• Maintained code quality through unit testing (Jest) and regular peer code reviews
Senior Frontend Developer2023 – 2024
Ad Tech Company
• Led frontend architecture decisions and mentored junior developers on React best practices
• Developed complex real-time analytics dashboards with advanced data visualization for ad campaign performance
• Optimized application performance achieving 40%+ reduction in load times through code splitting and lazy loading
Middle Frontend Developer2022 – 2023
Ad Tech Company
• Built and maintained responsive SPAs using React, TypeScript, Redux, and Redux Toolkit for state management
• Implemented comprehensive unit testing strategies increasing code coverage to 80%+
• Collaborated with UX/UI designers to deliver pixel-perfect, accessible interfaces across all devices
Junior Frontend Developer2021 – 2022
Ad Tech Company
• Developed responsive UI components using React, HTML5, CSS3 (Flexbox, Grid) for advertising management panels
• Integrated REST APIs using Axios and managed application state with Redux and Redux Toolkit
• Participated in agile development processes, daily standups, and sprint planning
TECHNICAL SKILLS
Frontend
React, React Hooks, TypeScript, JavaScript (ES6+), HTML5, CSS3, CSS Flexbox, CSS Grid
State Management
Redux, Redux Toolkit, Context API
UI/UX
Responsive Design, Adaptive Layouts, UI Design, UX Design, DOM Manipulation
Backend
Node.js, Express.js, NestJS, REST API Design, Backend Development
Testing & Tools
Unit Testing (Jest), Postman, Git
Principles
SOLID, DRY, KISS, Clean Architecture
LANGUAGES
Ukrainian — Native
English — Intermediate (B1-B2)
KEY STRENGTHS
• Comfortable picking up new tools and frameworks as needed
• Reliable with deadlines and clear in communication within the team
• Moved from frontend to full-stack work, open to taking on broader responsibilities