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Siddhant Agarwal

Full Stack Engineer | Frontend | Backend | Reactjs | Nextjs | Nodejs | Expressjs | Nestjs | AWS | Mongodb | PostgresQL

Bengaluru

4+ years of work experience

Radius Agent
Jan 20268 moPresent

Bengaluru, Karnataka, India

Thena
Apr 20257 mosOct 2025

Bangalore Urban, Karnataka, India

Performance Optimization – Enhanced developer productivity by integrating Turbopack in development mode, achieving 60% faster hot-reload times and significantly improving the development workflow experience. Broadcast Communication System – Led end-to-end development of a comprehensive broadcast feature in Next.js, enabling rich message composition through Tiptap editor with multi-channel delivery capabilities across Email, Slack, and Microsoft Teams. Scalable Job Processing – Architected and implemented a robust job scheduling pipeline using BullMQ with Flow Producer in NestJS and redis, ensuring idempotent execution and reliable delivery of thousands of messages per broadcast campaign.
LiftOff LLC
Apr 20232 yrs 1 moApr 2025

Bengaluru, Karnataka, India

1. Event Tracking: I've developed a pixel code similar to Facebook's pixel, enabling the tracking of user events on websites. This pixel code also captures various events and associated data, much like Google Analytics. 2.User Identification: My system can identify user demographics and collect their available details. 3.Dashboard Creation: Following data capture, I have created dashboards using Next.js, incorporating an atomic design pattern. 4.Chart Implementation: I have implemented a robust charting system using the Chart.js library. It allows me to visualize data through various chart types, such as pie charts, bar charts, geographical maps, and horizontal bar charts. 5.Shopify App: Developed end to end shopify pixel app using remix.js. 6.Additional Features: My system offers various functionalities, including searching, filtering, and date range filtering, enhancing the user experience and data analysis.
Kraze App
Mar 20221 yr 2 mosApr 2023

KrazeApp closed all its operations in April 2023 App link: https://krazeapp.com (Always Blue labs Pvt Ltd.) Developed Frontend architecture and UI development from scratch and currently app is used by more than 300K users. 1. Web App Architecture : Made monorepo architecture using lerna and Nx , also app structure broken into three modules and all three modules running in different ports and merged into a single zone using rewrite urls config in Nextjs . 2. API Integrations : Created API integration architecture using Redux toolkit to integrate services across the app. 3. Wallet Integration : Inside kraze App there is wallet section in which I developed whole UI and did Cashfree integration on web for the money deposits and withdrawal . 4. Chat Service : Chat Service SDK (Cometchat service) is also fully intetgrated and managed by me to provide group chat feature on frontend side of app to the users. 5.Error handling : Developed a error boundary component which wraps the whole app and catches all the errors that are encountered ,also integrated Sentry SDK to capture the production bugs. 6.Performance Improvements : I used the tools like Lighthouse and Profiler to analyze the unnecessary re-renders of any component or page in addition to it used bundler-analyzer to analyze package imports and improvised the packages and their usage to reduce the bundle size.
ShopX - 10i Commerce Services Pvt Ltd
Sep 20217 mosMar 2022

Bengaluru, Karnataka, India

ShopX closed all its operations on March 2022. 1.B2B ShopX(Retailer) App : Handled feature develpment tasks like -> Retailer onboarding flow, offer Creation flow , Offer Timers , Image Upload Fixes , UX enhancements . 2. B2C : Scan and Pay flow , Rewards and Coupons Integration , enhancements in UI UX
GitHub
@siddhant235

Siddhant’s AI Stack

antigravity
antigravity
claude code
claude code
codex
codex
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Education

Vellore Institute of Technology

BE - Bachelor of Engineering, Electrical, Electronics and Communications Engineering

Vellore Institute of Technology

20174 yrs2021
freeCodeCamp

Web Development

freeCodeCamp

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Headline

Full Stack Engineer | Frontend | Backend | Reactjs | Nextjs | Nodejs | Expressjs | Nestjs | AWS | Mongodb | PostgresQL

About

I am a passionate tech professional with extensive experience in MERN stack development. My expertise lies in building high-quality products using various JavaScript frameworks. I possess the ability to quickly learn and adapt to different technology domains, making me a versatile team player. Along with my technical skills, I also possess excellent communication, investment, and finance skills. In my free time, I enjoy playing badminton and strumming my guitar.

Location

Bengaluru

AI stack

antigravity

claude code

codex

cursor

Work experience

SDE2 at Radius Agent, Jan 2026 - Present · 8 mo, Bengaluru, Karnataka, India

Full Stack Engineer at Thena, Apr 2025 - Oct 2025 · 7 mos, Bangalore Urban, Karnataka, India, Performance Optimization – Enhanced developer productivity by integrating Turbopack in development mode, achieving 60% faster hot-reload times and significantly improving the development workflow experience. Broadcast Communication System – Led end-to-end development of a comprehensive broadcast feature in Next.js, enabling rich message composition through Tiptap editor with multi-channel delivery capabilities across Email, Slack, and Microsoft Teams. Scalable Job Processing – Architected and implemented a robust job scheduling pipeline using BullMQ with Flow Producer in NestJS and redis, ensuring idempotent execution and reliable delivery of thousands of messages per broadcast campaign.

Software Engineer (Full Stack-Reactjs, Nextjs , javascript , python , Django , mongodb ,PostgreSQL) at LiftOff LLC, Apr 2023 - Apr 2025 · 2 yrs 1 mo, Bengaluru, Karnataka, India, 1. Event Tracking: I've developed a pixel code similar to Facebook's pixel, enabling the tracking of user events on websites. This pixel code also captures various events and associated data, much like Google Analytics. 2.User Identification: My system can identify user demographics and collect their available details. 3.Dashboard Creation: Following data capture, I have created dashboards using Next.js, incorporating an atomic design pattern. 4.Chart Implementation: I have implemented a robust charting system using the Chart.js library. It allows me to visualize data through various chart types, such as pie charts, bar charts, geographical maps, and horizontal bar charts. 5.Shopify App: Developed end to end shopify pixel app using remix.js. 6.Additional Features: My system offers various functionalities, including searching, filtering, and date range filtering, enhancing the user experience and data analysis.

Founding Engineer (SDE) at Kraze App, Mar 2022 - Apr 2023 · 1 yr 2 mos, KrazeApp closed all its operations in April 2023 App link: https://krazeapp.com (Always Blue labs Pvt Ltd.) Developed Frontend architecture and UI development from scratch and currently app is used by more than 300K users. 1. Web App Architecture : Made monorepo architecture using lerna and Nx , also app structure broken into three modules and all three modules running in different ports and merged into a single zone using rewrite urls config in Nextjs . 2. API Integrations : Created API integration architecture using Redux toolkit to integrate services across the app. 3. Wallet Integration : Inside kraze App there is wallet section in which I developed whole UI and did Cashfree integration on web for the money deposits and withdrawal . 4. Chat Service : Chat Service SDK (Cometchat service) is also fully intetgrated and managed by me to provide group chat feature on frontend side of app to the users. 5.Error handling : Developed a error boundary component which wraps the whole app and catches all the errors that are encountered ,also integrated Sentry SDK to capture the production bugs. 6.Performance Improvements : I used the tools like Lighthouse and Profiler to analyze the unnecessary re-renders of any component or page in addition to it used bundler-analyzer to analyze package imports and improvised the packages and their usage to reduce the bundle size.

SDE at ShopX - 10i Commerce Services Pvt Ltd, Sep 2021 - Mar 2022 · 7 mos, Bengaluru, Karnataka, India, ShopX closed all its operations on March 2022. 1.B2B ShopX(Retailer) App : Handled feature develpment tasks like -> Retailer onboarding flow, offer Creation flow , Offer Timers , Image Upload Fixes , UX enhancements . 2. B2C : Scan and Pay flow , Rewards and Coupons Integration , enhancements in UI UX

Education

BE - Bachelor of Engineering, Electrical, Electronics and Communications Engineering, Vellore Institute of Technology

Web Development, freeCodeCamp

Public links

github: https://github.com/siddhant235