Prateek Gupta

About Prateek Gupta

LinkedIn Bio: B.Tech-CSE grad with 6+ years in software engineering, Android, and Flutter.‍ SDE-2 at Physics Wallah, Noida (June \'23–Present)- Manages Saarthi module for 7k students daily, chat, video calls for doubt resolution- Developing feature to track doubt resolution, improving education quality- Implemented ASK doubt with chat bot, student feedback, and teacher support- Enhanced chat scrolling, diverse message templates, Dark Theme for UX- Established module guidelines, mentored 2 juniors, ensured adherence to team guidelines. SDE-2 at Cashify, Gurgaon (Dec \'22–June \'23)- Converted in-house Android app to Flutter, added features, improved widgets- Implemented unit test cases, increased test coverage from 0% to 3%. SDE-2 at Flipitmoney, Gurgaon (June \'21–Dec \'22)- Built B2C fintech app on Flutter, 10L+ downloads, 5-star rating- 80% individual contributor, 20% managerial role, set rules, guidelines- Developed features: news flips, tips, stock analysis, watchlist, social network, games, quizzes, stock trading using Smallcase SDK. Android Engineer at Cityflo, Thane (May \'20–June \'21)- Built seat selection feature for social distancing- Integrated Clevertap, increased bookings by ~10% in 2 months- Maintained UI/UX, achieved ~99.6% crash-free users. MTS at Loconav, Gurgaon (July \'17–May \'20)- Enhanced Vehicle Detail Page, 43% user engagement- Built Configurator app, automated GPS device configuration- Automated system for white-labelled APKs,~27% revenue contribution- Created Expenses feature,~97% adoption. Skills: OOP, Data Structures, Algorithm Design, Java, Kotlin, Dart, Android, Flutter, SOLID, Clean Architecture, MVC, MVP, MVVM, Thread pool executors, Coroutines, JUnit, Espresso, Mockito, Dagger, Room, Retrofit, Firebase, Mixpanel, Clevertap, Jetpack Compose, KMM, Compose UI, BLOC pattern in Flutter. Side Project:\"Free Memory\" app - Jetpack Compose, MVVM, LiveData, Clean Architecture, Flow & Coroutines, Room, Work Manager.

Experience

1. Senior Mobile Engineer

   Coupang

   Aug 2024 — Present

   Led end-to-end development of scalable frontend platforms across workforce management, recruitment, and operations systems used across South Korea and Taiwan- Built the Coupunch CFS QR Code System in the CLS Flutter app, adopted by 119 FCs, delivering operational efficiencies and ~500M KRW in annual cost savings. Spearheaded the Couflex Taiwan launch, developing a React SPA for flexible shift management with custom hooks and a centralized API layer, while leading technical design and coordinating a 3-member team- Architected LMS 2.0 from the ground up with a reusable component library and built an application management system with CRUD workflows, filters, and scalable table/form/dialog components. Implemented reusable PII masking patterns, standardized authentication flows with SSR and feature flags, and introduced multi-tenant architecture to support regional markets- Drove platform improvements including migration to Webpack, React–Angular interoperability, optimized state management (Zustand), reduced licensing costs by replacing AGGrid Enterprise, strengthened security (CORS, token handling, PII protection), and deprecated legacy services to lower operational overhead- Led 5+ concurrent projects, mentored engineers, conducted code reviews, and resolved multiple production incidents with documented RCAs- Tech: React, Angular, TypeScript, Webpack, Zustand, SSR, Multi-tenant Architecture, i18next, Security & Performance Optimization

Education

• Maharaja Agrasen Institute Of Technology, Delhi

  Bachelor’s Degree, Computer Science

  2013 — 2017

• Vivekanand Public School

  10+2, B.tech CSE

  2009 — 2012