Hi, I'm Winfred.

Architecting High-Performance Frontends.

Frontend Engineer crafting immersive digital experiences.

Based in Nairobi · Available for work

About Me

I Deliver Exceptional User Experiences Across Various Platforms.

Winfred Kagendo

As a Frontend Engineer with four years of experience, I've consistently poured my heart and soul into creating products that not only look great but feel amazing to use. Currently, I work as a Senior Engineer crafting immersive digital experiences.

Learn More

Experience

My Journey

Experience

Frontend & Mobile Engineer

Supernomics

Jan 2026 – Present

Worked with monorepos to build scalable AI systems.
Created a mobile app using Expo and React Native.
Built a component library to improve developer experience.
Translated Figma designs for web and mobile and integrated APIs.

React.jsReact NativeTailwind CSSExpoMonorepos

Mobile Engineer

Nesti

Aug 2025 – Jan 2026

Pixel-perfect Figma to UI conversion across the product.
Created a full Alipay mini app shipped to production.
Seamless API integration across the mobile product.

React NativeAlipay Mini AppFigmaAPI Integration

Frontend Engineer

Leja

Jul 2024 – Oct 2025

Improved retention with faster load times via SSR (Next.js).
Drove sales growth by building a Safaricom mini app with Ant Design Mini and API integrations.
Increased engagement by turning Figma designs into clean, responsive UIs (React, MUI).
Secured platforms with best-practice frontend security (XSS, CSRF protection).
Boosted SEO performance through server-side rendering and optimized metadata.

React.jsNext.jsMUIAnt DesignSEO

Frontend Engineer

Oaknet Business

2023 – 2024

Transformed designs into dynamic UIs with JavaScript and React JS workflows.
Led UI development for a SaaS M&E system, collaborating with backend teams.
Enhanced user experience in an investment appraisal system.
Spearheaded UI creation using Vue3.js, delivering visually engaging designs.
Optimized state management with Pinia and API integration via GraphQL.

Vue3.jsPiniaGraphQLJavaScript

Frontend Developer

Pathology Network

May 2023 – May 2024

Translated Figma designs to seamless apps using React.js, TailwindCSS, and Material UI.
Reduced dev time by 30% and boosted team efficiency by 20% through reusable components.
Leveraged React tools to enhance app speed, scalability, and security.
Streamlined Agile workflows, ensuring timely delivery of high-quality features.
Worked closely with cross-functional teams to achieve project goals.