Hi, I'm Catalina.
Frontend Developer
I create intuitive digital experiences that users love. Specializing in React ecosystem and accessibility, I build applications that combine technical excellence with thoughtful design.

About me
I'm a Frontend Developer who specializes in creating exceptional user experiences through modern web technologies and accessible design.
Technical Excellence
With expertise in React ecosystem and modern JavaScript, I build scalable web applications that prioritize performance and user experience. My focus on clean, maintainable code ensures solutions that grow with business needs.
Accessibility Specialist
I specialize in creating inclusive digital experiences through WCAG compliance and accessible design patterns. Every application I build works for users of all abilities, ensuring no one is left behind.
Award-Winning Innovation
My technical capabilities are validated through real achievements - from winning first place at Clean Code Hackathon 2025 with an AI-powered mobile app, to receiving the Best Thesis Project award for innovative web applications.
Current Focus
Today, I develop custom solutions for businesses, combining modern technology with user-centered design. Each project is an opportunity to deliver measurable value while creating exceptional digital experiences.
Projects






My Skills
- HTML
- CSS
- JavaScript
- TypeScript
- React
- Next.js
- React Native
- Node.js
- MongoDB
- PostgreSQL
- Express.js
- Git
- Tailwind
- Framer Motion
- Figma
- UX & Accessibility
- Agile Methodologies
My Experience
Freelance Fullstack Developer – Frontend Focused
April 2025 – PresentIndependently developed FridgePal, a React Native inventory app (awarded 1st place at Clean Code Hackathon 2025). Built a WCAG-compliant healthcare website for a private client using React, TypeScript, and Vite, focusing on accessibility and real-world business needs. Collaborated with backend developers to optimize API integrations, and managed all phases from wireframes to deployment. Focused on best practices: cross-platform compatibility, performance, and maintainable code.
Frontend Developer
Sept 2024 - April 2025Nexer Group, Gothenburg
At Nexer, I contributed to two key projects: Nexer Email, an email builder platform and Boost App, a cross-platform fitness tracker. I built accessible and responsive UIs using Next.js, React Native, Angular, TypeScript, Zustand, and Tailwind CSS. My work included implementing dynamic layouts, syncing data across frontend and backend, optimizing loading performance, and enhancing user experience. I also developed features for sending and previewing test emails with Nodemailer, built logic for layout restrictions, and wrote Cypress end-to-end tests to ensure stability. Throughout, I collaborated in an agile team and worked actively with Git and Azure DevOps.
Android Developer
Oct 2022 - Dec 2022Stendahls, Gothenburg
Designed and implemented Android app features using Kotlin, Jetpack Compose, and built data management solutions using Room Database. Followed MVVM architecture and implemented API integrations to connect mobile clients with backend services. Collaborated in an agile environment, participated in code reviews and optimized application performance through efficient memory management.
Operations & Customer Relations Specialist
Oct 2018 -June 2024Casino Cosmopol, Gothenburg
Led high-stakes casino operations in a fast-paced environment, handling financial transactions and customer disputes with accuracy and discretion. Developed a keen eye for detail and problem-solving by identifying fraudulent activities and preventing financial losses.
Contact Me
Feel free to reach out via email at catalinaavadani@gmail.com or send a message using the form below..