Rohit Saini
Senior Frontend Engineer
I build high-performance, scalable applications. Currently scaling systems at CarDekho Group. Obsessed with React, Next.js, and clean architecture.
Featured Work
View LabExperiment
Rendering Time Travel
A comparative experiment visualizing the execution timing differences between CSR, SSR, SSG, and ISR. Uses real-time timestamps to demonstrate caching behaviors and hydration lag in the App Router.
RenderingNext.jsTypeScriptTailwind CSS
Experiment
Temporal State Machine (RTK)
Refactored version using Redux Toolkit. Showcases createSlice, internal Immer usage for simplified immutability, and reduced boilerplate.
Redux ToolkitReact
BuddyBills
A PWA for group expense tracking with role-based access, auto-balance updates, and dynamic split logic.
Next.jsNestJSPostgreSQLSWR
Experience
Software Development Engineer 1
Jul 2023 — PresentCarDekho Group
- Participated in full SDLC for 3 strategic projects (digiPartner, digiAgent, digiBuddy), launching 50+ features.
- Led frontend migration to Next.js, improving performance by 60% and reducing page load times by 5 seconds.
- Developed 20+ backend modules, including ACL systems supporting 700+ users.
- Engineered AWS Lambda-based document processing at 1,000 records/sec, reducing workflow time by 70%.
- Mentored 2 interns through full-stack development best practices.
ReactNext.jsRedux ToolkitAWS
Frontend Intern
Mar 2023 — Jul 2023CarDekho Group
- Re-architected the invoice uploader to process 30,000+ record files with fault tolerance.
- Migrated high-traffic components from React.js to Next.js, boosting scalability.
ReactNext.jsJavaScript