Siddhartha Sarkar
Lead Frontend Developer
Frontend Developer with 3+ years of experience building high-performance React applications
Specializing in scalable architecture, performance optimization, and modern JavaScript/TypeScript. Proven leader who progressed from entry-level to managing cross-functional teams while delivering clean, component-driven, and scalable solutions.
About Me
I'm a Frontend Developer with 3+ years of experience building high-performance React applications. I specialize in scalable architecture, performance optimization, and modern JavaScript/TypeScript. As a proven leader, I've progressed from entry-level to managing cross-functional teams while delivering clean, component-driven, and scalable solutions. I'm passionate about creating exceptional user experiences through modern web technologies. With a keen eye for detail and a commitment to best practices, I transform ideas into elegant, performant solutions that handle thousands of concurrent users.
3+ years of frontend development
Led cross-functional teams and mentored junior developers
Open source contributor with 3000+ active users
Performance optimization expert
Skills & Expertise
Technologies and tools I use to bring ideas to life
Frontend Core
State Management
UI & Styling
Testing & Quality
Performance
Tools & Platforms
Cloud & Deployment
Integrations
Leadership
Education
My academic journey from school to master's degree
Bachelor of Technology (Honors) and Master of Technology
Programming and Data Structures, Algorithms, Numerical Modeling
IIT Kharagpur
Relevant Coursework: Programming and Data Structures, Algorithms, Numerical Modeling
Super 30 - IIT JEE Coaching
Physics, Chemistry, Mathematics
Super 30
Completed IIT JEE Coaching clearing the JEE Advanced exam in the year 2019
Senior Secondary (CBSE)
Science (PCMB)
Jawahar Navodaya Vidyalaya
Completed with distinction in Physics, Chemistry, Mathematics and Biology
Secondary (CBSE)
General Studies
Jawahar Navodaya Vidyalaya
Completed with distinction in General Studies
Past Experiences
My professional journey and work experiences
Lead Frontend Developer
Atomic Loops Pvt. Ltd.
Advanced from junior developer to team lead, managing multiple concurrent projects and mentoring junior developers while taking ownership of critical features and system architecture.
Key Achievements
- News Monitoring Platform: Built from scratch a comprehensive real-time news monitoring tool processing thousands of articles daily. Implemented Notion-like views to present data with advanced filtering, custom layouts, and integration of dynamic properties using React, TypeScript.
- Yoga-AI Platform: Developed an AI-powered yoga application using React and TensorFlow.js for real-time pose detection. Integrated video calling via WebSockets/Mediasoup and implemented real-time on-screen feedback for posture correctness. Wrote a custom module for complex 3D angle calculations in runtime.
- Compawnion (Social Training App): Created a dog training social platform with personalized modules, interactive guidance, and dynamic feeds using React with advanced state management.
- +3 more achievements
Software Development Intern
ReadingRight Technologies Pvt. Ltd.
Built an interactive learning platform with embedded multimedia content using React and Clean Architecture principles.
Key Achievements
- Built from scratch using React and Clean Architecture principles.
- Developed a dynamic content revelation system with optimized rendering and efficient state management for enhanced user engagement
Frontend Development Intern
Shubu Artificial Intelligence Pvt. Ltd.
Developed a cross-browser extension for medical dictation with real-time PDF generation, utilizing Web APIs (Blob, MediaStream) for audio processing and optimized data transfer using Vanilla JS.
Key Achievements
- Developed a cross-browser extension for medical dictation with real-time PDF generation
- Utilized Web APIs (Blob, MediaStream) for audio processing and optimized data transfer using Vanilla JS
- Designed an object-oriented JavaScript architecture consuming browser extension APIs for seamless cross-platform functionality
Featured Projects
A collection of projects that showcase my skills and passion for development
ERP Auto Login Extension
Actively used by 3000+ IIT Kharagpur students. Open-source browser extension with AES-GCM encryption ensuring secure authentication. Built with TypeScript, bundled with Webpack, demonstrating best practices in security and scalable architecture.
YNews Social Platform
Reddit-inspired social media application with multi-level (n-level) comment threading and dynamic reply loading. Implemented using React with Hookstate for state management, Firebase Realtime Database with optimized parent-child relationship modeling for scalable comment architecture.
File Fly Cloud Storage
Cross Platform (full-stack) file management application with Flutter for Mobile and React for Web and Node.js backend. Implemented Clean Architecture with dependency injection, deployed on AWS EC2 with Nginx and MongoDB. Published app to Google Play Store passing compliance and code quality.
News Monitoring Platform
Built from scratch a comprehensive real-time news monitoring tool processing thousands of articles daily. Implemented Notion-like views to present data with advanced filtering, custom layouts, and integration of dynamic properties using React, TypeScript.
Yoga-AI Platform
Developed an AI-powered yoga application using React and TensorFlow.js for real-time pose detection. Integrated video calling via WebSockets/Mediasoup and implemented real-time on-screen feedback for posture correctness. Wrote a custom module for complex 3D angle calculations in runtime.
Dog Training Social Platform
Created a dog training social platform with personalized modules, interactive guidance, and dynamic feeds using React with advanced state management.
AI Market Research Dashboard
Built a flexible, high-performance dashboard using React for AI market research application with sales pipeline tracking, lead conversion analytics, and intuitive data visualization (Graphs, Maps, Stats, etc). Implemented Role-Based Access for various user roles.
Let's Connect
I'm always open to discussing new projects, creative ideas, or opportunities to be part of your visions.