Hi, I'm Shubham Kumar, a Senior Full-Stack Developer who loves crafting high-performance backend systems, clean UI engineering, and cloud-native architectures.
With strong expertise in
JavaScript • Node.js • React • Svelte • PostgreSQL • AWS • Kafka,
I build digital experiences that are fast, scalable, and elegant.
- ⚡ High-performance backend systems
- 🌩 AWS serverless + Cloudflare Workers
- 🧩 UI engineering with Svelte & React
- 🗄️ Event-driven microservices (Kafka)
- 🛠 Dev-centric utility tools
- 🚀 End-to-end product architecture
JavaScript • TypeScript • SQL
React • Next.js • Svelte • Tailwind CSS
Node.js • Express • PostgreSQL • MySQL • Redis
AWS S3 • AWS Lambda • Cloudflare Workers • ECS
CI/CD (GitHub Actions, Jenkins)
Apache Kafka • WebSockets
Stripe • Zod • Quill • Konva.js
- Architected a Kafka-driven event system
- Developed scalable Node.js + PostgreSQL APIs
- Improved system latency and mentored junior devs
- Built complete backend using Node.js, MySQL, Redis
- Designed payment, order, customer & manager modules
- Deployed on AWS ECS for horizontal scalability
- Add/resize/drag images, add text elements
- Fullscreen editor + sidebar customization tools
- Export as PNG/JPEG with compression
- JSON → Zod Schema Generator
- Beautiful UI components
- Advanced media gallery modals
- Image generation & manipulation tools
👉 🌐 Portfolio — https://shubhssays.uk
Includes detailed case studies, experience, projects & more.
- Building tiny yet powerful dev utilities
- Enhancing UI/UX design intuition
- Serverless architectures (AWS + Cloudflare)
- AI-powered developer tools
Thanks for stopping by! If you like my work, feel free to ⭐ your favorite repos.
Let’s create something amazing together. ✨




