Rajeev Ranjan Sinha
Building scalable web applications and sharing knowledge through technical writing.
I specialize in modern JavaScript/TypeScript, cloud architecture, and system design. Passionate about creating elegant solutions to complex problems and helping developers grow.
Tech Stack
20+
Years Exp.
Development
Full-stack development with React, Node.js, and modern JavaScript. Specializing in performance optimization and scalable architectures.
- →Frontend & Backend Architecture
- →API Design & Optimization
- →Database Design & Optimization
Technical Writing
In-depth articles on web development, system design, and best practices. Published on Substack and Medium with a growing audience.
- →Architecture & Design Patterns
- →Performance & Optimization
- →Quick Tips & Tricks
Community
Mentoring developers, speaking at tech events, and contributing to open source projects.
- →1-on-1 Mentoring
- →Open Source Contributions
- →Technical Blogging
Featured Projects
A selection of projects showcasing my expertise in full-stack development and system design.
Scalable E-Commerce Platform
Built a high-performance e-commerce platform handling 10k+ concurrent users with real-time inventory management.
Real-Time Analytics Dashboard
Full-stack solution with WebSocket integration for real-time data processing and visualization.
AI-Powered Content Generator
Integrated OpenAI API with custom fine-tuning for domain-specific content generation.
Latest Content
In-depth articles and quick tips on web development, architecture, and best practices.
Detailed Articles
Building Scalable Web Applications with Next.js and TypeScript
Learn how to architect modern web applications that can scale to millions of users. We'll explore code splitting, server-side rendering, API optimization, and database scaling strategies.
The Future of Frontend Development: AI-Assisted Coding
Exploring how AI tools are transforming frontend development. From code generation to automated testing, discover what's next in the web development landscape.
React Performance Optimization: From Concept to Production
Master advanced performance optimization techniques. Learn about React.memo, useMemo, useCallback, code splitting, lazy loading, and measuring real-world performance metrics.
Quick Tips & Tricks
CSS Grid Auto-Fit: Responsive Layouts Without Media Queries
Create responsive grid layouts automatically with CSS Grid's auto-fit property. No breakpoints needed!
React Hooks: useCallback vs useMemo Explained
The difference between useCallback and useMemo can be confusing. Here's a quick guide with real examples.
Git Trick: Undo Your Last Commit Without Losing Changes
Made a mistake in your last commit? Use git reset --soft HEAD~1 to undo it while keeping your changes.
Terminal Productivity: Create Aliases for Frequent Commands
Save hours of typing by creating shell aliases for long commands. Simple but incredibly effective.
Let's Build Something Great
I'm always interested in hearing about new projects, collaborations, and opportunities to share knowledge.