Senior React Engineer 7+ Years React/Full-Stack Expertise

Karan Saluja — Senior React Engineer

with *+ Years of Experience

Gurgaon, HR, India

I +91-947******* • # *****.******@****.*** • ð www.linkedin.com/in/karandeep45

§ www.github.com/KaranChimple

Summary

Experienced Software Engineer skilled in delivering scalable, data-driven web and mobile applications for 10M+ MAUs. Proven track record boosting product revenue 2x–3x, reducing load times over 50%, and leading engineering teams in distributed systems, AWS, and architecture. Adept at full-stack development, performance optimization, and cross-functional mentorship.

Skills

Languages: JavaScript, TypeScript, Dart

Frameworks/Libraries: React Native, React.js, Next.js, Redux (Thunk, Saga, Toolkit), Zustand, Flutter, HTML5, CSS Cloud/DevOps: AWS, S3, Firebase, App Store/Play Store deployment, CI/CD Tools: Git, GitHub, JIRA, TensorFlow, Jest, Mocha/Chai, GraphQL, i18n Internationalization Professional Experience

Aster DM Healthcare Gurgaon, India

Assistant Manager (SDE III) Jul 2024 – Sep 2025

Lead E-Pharmacy frontend team of 4 engineers; interview and mentor SDE-1/SDE-2/SDE-3 candidates.

Revamped cart/checkout flows, increasing transaction revenue by 3x and reducing LCP by over 50%.

Lowered JavaScript execution time to under 1s with priority rendering and architectural improvements.

Delivered region-specific features using Flagsmith and i18n, enabling independent deployments for Saudi Arabia and UAE. Gajigesa Remote

Senior React Engineer Sep 2023 – Feb 2024

Designed and launched employer dashboard for bulk employee management, increasing operational efficiency.

Developed salary, referral, and bill payment flows for mobile app; drove enhanced financial tracking and user engagement.

Enabled bulk status updates, gift card distribution, and improved verification visibility via scalable React-Native/Expo solutions. Cargill Bangalore, India

Senior Software Engineer Apr 2023 – Sep 2023

Re-engineered MiApp by upgrading React Native from v0.43 to v0.73, modernizing UX and codebase.

Led Android & iOS store deployments; platform adopted by 1k+ global employees for commodity intelligence.

Implemented AWS/Firebase deep linking, Okta authentication, and native push notification bridging. Mobile Premier League (MPL) Bangalore, India

SDE II Jul 2021 – Apr 2023

Developed Rummy & Callbreak games, scaling from zero to highest revenue generator, serving 10M+ MAUs and 10k+ DAUs.

Refactored lobby join flow, slashing join time from 2s to 0.8s to boost real-time play and user retention.

Deployed Responsible Gaming features, mitigating addiction and supporting platform integrity.

Applied deep linking and native bridging for assets, location, and notifications; enhanced mobile UX. Accolite Digital Bangalore, India

Senior Software Engineer Jul 2020 – Jul 2021

Built a cross-platform fitness app using TensorFlow for exercise detection and posture recognition.

Implemented real-time JSX updates and group fitness features with Apple Health/Google Fit integration.

Elevated user engagement and community formation, enabling robust progress tracking. Betterhalf.ai Bangalore, India

React.js/React-Native Developer Nov 2019 – Jul 2020

Rebuilt admin panel in React.js and Redux; structured monorepo for shared utilities.

Engineered complete chat module with resend/retry for network resilience and custom animations. 1/2

Vedantu Bangalore, India

Software Developer – Mobile Dec 2018 – Jun 2019

Delivered two flagship learning apps (Vedantu and Doubt Experts) from concept to release, as part of a four-member core team.

Helped drive user migration from web to mobile, doubling company revenue.

Architected real-time chat/doubt workflows using socket.io, facilitating instant student support. Chimple Learning Bangalore, India

Software Developer Dec 2017 – Nov 2018

Developed self-learning Fiji/Maui apps for children, selected for Global Learning XPRIZE (open source).

Architected educational games enhancing literacy and numeracy, leveraging React Native, Flutter, Redux, and Dart. Projects

MyAster Web App: Multi-region e-pharmacy Application, Aster DM Healthcare. Gajigesa Employer Dashboard: Bulk employee management and salary operations, Gajigesa. Gajigesa Mobile App: Financial wellness and bill payments, Gajigesa. MI-App: Market intelligence and commodity tracking for Cargill. MPL Mobile App: Native multiplayer gaming platform for 10M+ users at Mobile Premier League. Pulse by Prudential: Mobile health monitoring and analytics portal (contributor). Betterhalf.ai Mobile App & Admin Panel: End-to-end matchmaking and admin automation portal. Vedantu Doubt Experts App: Instant student-teacher query resolution app, Vedantu. Vedantu: Learning App: Personalized learning/collaboration platform for K-12 students, Vedantu. Fiji: Self-learning app (XPRIZE finalist) for child literacy/numeracy built using Flutter, Chimple Learning. Maui: Open-source ed-tech solution supporting global learning built using React-Native, Chimple Learning. Education

Asansol Engineering College (WBUT) West Bengal, India B.Tech., Computer Science, CGPA: 7.64 2013 – 2017

St. Patrick’s H.S. School Asansol, India

High School – Science (Comp Sci), Board: ISC, 74% 2010 – 2012 St. Patrick’s H.S. School Asansol, India

Secondary School – Science, Board: ICSE, 87% 1999 – 2010 Certifications & Awards

MTA: Networking Fundamentals: Microsoft, achieved as undergraduate. Contributor – XPRIZE Finalist: Fiji/Maui learning apps, Chimple Learning open-source team. 2/2

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