Ilya Katassonov

Core contributor to Bumble & Badoo web platforms.

— Delivered React/TS features and supported A/B testing analysis to improve UX and user conversion.
— Integrated Playwright testing into CI/CD pipeline via internal tooling package.
— Co-led MVP build of Zodia (React Native) in 8 weeks— certified, published on iOS & Android.
— Authored and rolled out web architecture proposal for Badoo Mobile Web.

Ownership of feature delivery — from early planning with PMs and designers, through backend coordination, to implementation and release.

— Helped launch the web version of Bumble in just two months
— Delivered new features on Badoo.com, focusing on responsive layout, cross-browser compatibility, and performance.
— Built and maintained internal tooling, blogs, and promo pages

Focused on building UI components product delivery for Badoo’s web apps

— Delivered new UI features with attention to layout precision, accessibility, and performance.
— Maintained and refactored legacy UI codebase to improve consistency and readability.
— Implemented VRT for key components
— Supported internal tools for A/B testing

— Worked on responsive e-commerce templates for InSales (a Russian Shopify analog), focusing on desktop-first UI and reusable components.

— Built the company’s first JavaScript API for dynamic storefront features.

— Designed a custom internal UI framework that streamlined frontend development.

— Helped set new standards for template design and improved developer efficiency

Focused on frontend system architecture, scalability, and performance optimisation. Gained practical insights into designing robust and efficient web applications. Applied advanced concepts to enhance system reliability and maintainability.

Completed an in-depth course on JavaScript internals, performance optimisation, and asynchronous programming. Mastered advanced patterns and best practices for modern JavaScript development. Enhanced coding efficiency and problem-solving skills.

Undertook a structured crash course on Data Structures and Algorithms, focusing on problem-solving and coding efficiency. Developed strong algorithmic thinking and improved ability to tackle complex coding challenges. Prepared extensively for technical interviews by practicing a wide range of problems.

Completed a Bachelor (Hons) degree in Computer Programming. Acquired foundational knowledge and practical skills in software development and programming languages. Engaged in various projects to apply theoretical concepts to real-world scenarios.