Kaio Henrique Dantas Fernandes
Hi, I'm Kaio Henrique Dantas Fernandes, a Software Engineer and Cybersecurity Analyst passionate about crafting exceptional user experiences.
About
Hi, I’m Kaio Henrique Dantas Fernandes, a Software Engineer and Cybersecurity Analyst passionate about crafting exceptional user experiences. With strong expertise in React, Vue, Angular, and Python, I specialize in building intuitive and scalable web applications that serve users across the globe. I enjoy collaborating with cross-functional teams to bring product-focused features to life while ensuring high-quality and performance across platforms.
I hold a Bachelor’s degree in Computer Science and have worked with innovative multinational companies like Farfetch and Körber Pharma. Beyond work, I actively contribute as a volunteer web developer, helping organizations enhance their digital presence. I’m always eager to learn and grow in the tech field, focusing on delivering value through smart, user-centric solutions.
- 3 years' experience
- Joined July 2025
Industry experience
- Software & Internet
- Retail
- Professional Services
- Non-Profit Organization
Work experience· 4 roles
Built and maintained React-based frontend applications serving users in 190+ countries, improving page load times by 25%. Led product-focused development by collaborating with designers and product managers to ship high-quality features for desktop and mobile devices. Top contributor to the company's Design System and Components library. Integrated GraphQL APIs to optimize data fetching and improve application responsiveness. Conducted QA usability testing using data analysis tools and user feedback to refine features. Wrote unit and integration tests with Jest and React Testing Library, enhancing application reliability.
Developed frontend components using Vue.js and TypeScript for mobile-first applications. Designed and implemented user interfaces with a focus on cross-platform compatibility and performance. Conducted code reviews and optimizations to improve maintainability and scalability.
Developed and maintained Angular and JavaScript-based solutions for multiple businesses including desktop and mobile applications. Worked closely with clients in the UK and Portugal to offer custom solutions and provided technical support and training for the newly implemented platform.
Education
Certifications and awards
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