Hi, my name is
Bestin John.
I build things for the web.
I'm a Frontend Engineer passionate about building fast, accessible, and thoughtful digital experiences. I specialize in React and modern web technologies to create high-impact, user-centric applications.
About Me
With over seven years in frontend development, I've honed my skills in creating scalable, user-focused web applications. My expertise lies in using React and TypeScript to build intuitive and impactful digital products.
I am a firm believer in quality-first development. I champion Test-Driven Development (TDD), comprehensive automated testing, and creating accessible, high-performing applications. My goal is to deliver code that is not only functional but also robust and inclusive for all users.
My journey is now taking me towards full-stack development and the exciting world of AI. I'm passionate about leveraging data to build intelligent applications and am actively expanding my knowledge in this area.
Where I've Worked
Frontend Engineer @ Staffbase SE
2025 - Present
- ▹Engineered a high-performance short-form media feed inspired by Instagram Reels and YouTube Shorts, featuring infinite scrolling, live reactions, threaded comments, and AI-powered subtitle generation.
- ▹Built cross-platform audio playback experiences including mini-player and full-screen podcast player with persistent background playback and seamless session continuity.
- ▹Implemented analytics and monitoring solutions to track feature adoption, customer interactions, and performance metrics, enabling data-driven product decisions.
- ▹Contributed to the migration of a large-scale application from React 17 to React 19, resolving compatibility issues and adopting modern React APIs and patterns.
Where I Studied
MSc @ RPTU Kaiserslautern-Landau
2020 - 2023
- ▹Specialized in software engineering and intelligent systems.
My Tech Stack
The technologies and tools I leverage to build fast, reliable, and scalable solutions that users love.
- React
- CSS
- Docker
- Git
- HTML
- JavaScript
- NestJS
- Node.js
- npm
- Nx
- OpenAPI
- Playwright
- PostgreSQL
- Prisma
- PWA
- pnpm
- Storybook
- Tailwind CSS
- TypeScript
- Vite
- Vitest
- Zod
What’s Next?
Get In Touch
I'm currently available for freelance work and open to full-time opportunities. Feel free to reach out if you have a project in mind or just want to connect!