Senior Frontend Architect - React Specialist - 7+ Years Experience

Karan Saluja — Senior React Engineer

(*+ Years Experience) - Frontend Architect

Gurgaon, HR, India

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§ KaranChimple

Professional Summary

Senior Frontend Engineer and Architect with 7+ years of experience designing scalable systems for 10M+ DAUs. Expert in System Design, Performance Optimization, and Technical Leadership. Proven track record of owning end-to-end architecture for high-revenue platforms, managing technical debt migrations (React Native upgrades), and defining frontend contracts. Skilled in leading engineering squads, mentoring developers, and aligning technical execution with business revenue goals using React, TypeScript, and Distributed Systems.

Technical Skills

System Design: Frontend Architecture, Monorepo Management, Performance Budgeting, CI/CD Pipelines Core Languages: TypeScript, JavaScript (ES6+), Dart, HTML5, CSS3 Frameworks: React Native, React.js, Next.js, Flutter, Node.js State Management: Redux (Toolkit, Saga), Zustand, Context API, RxJS Cloud and Tools: AWS, Firebase, Flagsmith, Okta, Jest, webpack, Xcode, Android Studio Professional Experience

Aster DM Healthcare Gurgaon, India

Assistant Manager (SDE III) Jul 2024 – Sep 2025

Technical Leadership: Spearheaded the technical roadmap for a 4-engineer squad; defined code quality standards and conducted architectural reviews for the E-Pharmacy platform.

System Design: Architected a multi-region frontend framework using Next.js and Flagsmith, enabling feature differentiation for Saudi Arabia and UAE without code duplication.

Performance Engineering: Defined performance budgets and optimized critical rendering paths, slashing Largest Contentful Paint (LCP) and JavaScript execution time to under 1s.

Revenue Impact: Owned the end-to-end redesign of Cart and Checkout flows, resulting in a 3x increase in transaction revenue and improved conversion rates.

Cross-Functional Collaboration: Collaborated with Product and QA to define data contracts and implement complex Redux-Saga workflows.

Gajigesa Remote

Senior React Engineer Sep 2023 – Feb 2024

Product Ownership: Solely designed and delivered the ”Employer Dashboard,” a complex React.js system handling bulk employee verification and salary disbursements for enterprise clients.

Mobile Architecture: Engineered the financial wellness mobile module using React Native, handling sensitive bill payment flows and referral systems.

Scalability: Built a scalable bulk-processing engine capable of updating thousands of employee records simultaneously.

Tech Stack: Implemented Zustand for lightweight state management and i18n for internationalization, ensuring the codebase remained performant and localized.

CamsData Bangalore, India

Senior Software Engineer Apr 2023 – Sep 2023

Engagement Scope: Deployed onsite at Cargill to lead a critical 6-month architectural migration for their ”MiApp” commodity platform.

Migration Strategy: Executed a high-priority upgrade of React Native from v0.43 to v0.73, resolving legacy technical debt and critical security vulnerabilities within the project timeline.

Security Integration: Architected the Okta authentication bridge between native modules and JavaScript, enabling secure enterprise-grade login flows.

Deep Linking: Re-engineered the Firebase Deep Linking implementation to ensure precise navigation and state preservation across the complex app hierarchy.

Release Ownership: Managed the CI/CD pipeline and deployment strategy for Android/iOS, ensuring zero-downtime adoption for 1000+ global users.

1/2

Mobile Premier League (MPL) Bangalore, India

SDE II Jul 2021 – Apr 2023

High-Scale Architecture: Re-architected the core gaming engine for Rummy and Callbreak to support 10M+ DAUs, enabling dynamic leaderboards and real-time contests.

Optimization: Optimized the ”Lobby Join” critical path, refactoring legacy JavaScript logic to reduce join latency by 60% (2s to 800ms).

Native Bridging: Engineered custom Android/Java bridges to handle deep links and native notifications, improving the hybrid app experience.

Compliance: Implemented ”Responsible Gaming” algorithms to detect and mitigate addictive behaviors, ensuring platform integrity. Accolite Digital Bangalore, India

Senior Software Engineer Jul 2020 – Jul 2021

AI Integration: Built a fitness application leveraging TensorFlow models for real-time edge-computing exercise detection and posture recognition.

Dynamic UX: Employed dynamic JSX rendering engines to support real-time home screen updates and community group formations. Betterhalf.ai Bangalore, India

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

Monorepo Architecture: Established a Monorepo structure to unify shared utilities and API logic between the React Admin Panel and React Native mobile app.

Resilience Engineering: Engineered the Chat Module with custom ”store-and-forward” logic to handle network instability and ensure message delivery.

Vedantu Bangalore, India

Software Developer (Mobile) Dec 2018 – Jun 2019

Zero-to-One Delivery: Built two flagship apps (Vedantu App and Doubt Experts) from scratch in a core team of 4; drove user migration from web to mobile.

Real-Time Systems: Architected a live doubt resolution feed using Socket.io, enabling instant chat connections between students and mentors.

Personalization: Developed adaptive learning interfaces serving personalized content to students across multiple educational boards

(CBSE/ICSE).

Chimple Learning Bangalore, India

Software Developer Dec 2017 – Nov 2018

Global Innovation: Developed the Global Learning XPRIZE finalist apps (Fiji/Maui), creating self-learning solutions for child literacy.

Gamification Engine: Built interactive educational games leveraging React Native, Redux, and Flutter to enhance reading and arithmetic skills.

Open Source: Contributed to the open-source repositories for Fiji and Maui, focusing on accessible ed-tech for developing regions. Key Projects

MyAster Web: Multi-region architecture (Next.js/Redux-Saga) for Aster DM Healthcare. Gajigesa Ecosystem: Enterprise Dashboard (React.js) and Financial Wellness App (React Native). MiApp Migration: React Native Upgrade (0.43 to 0.73) with Okta Auth and Deep Linking. MPL Gaming Engine: High-concurrency gaming platform serving 10M+ users (React Native). Fitness AI App: Exercise detection using TensorFlow and React Native (Accolite). Betterhalf Platform: Matchmaking Admin Panel (React.js) and Resilient Chat Module. Vedantu Apps: Student Learning App and Doubt Experts App (React Native/Socket.io). Fiji and Maui: Open-source XPRIZE finalist apps built with Flutter and Dart. Pulse by Prudential: Mobile health monitoring and analytics portal (Contributor). Education

West Bengal University of Technology Kolkata

B.Tech., Computer Science 2013 – 2017

St. Patrick’s H.S. School Asansol

High School – Science, Board: ISC 2010 – 2012

St. Patrick’s H.S. School Asansol

Secondary School – Science, Board: ICSE 1999 – 2010 Awards and Certifications

XPRIZE Finalist: Global Learning XPRIZE (Chimple Learning). Certifications: Toggl Hire React Skill Test, Toggl Hire JavaScript Skill Test. Embetronix: Finalist in Autonomous Robotics Event. 2/2

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