Karan Saluja
@karansaluja
Senior React engineer delivering scalable, data-driven web and mobile experiences.
What I'm looking for
I am a Senior React Engineer with 7+ years building scalable web and mobile applications that serve millions of users and drive measurable product growth.
I have led frontend teams, mentored engineers, and owned end-to-end features that doubled or tripled revenue and cut load times by over 50%.
My technical focus includes React.js, React Native, Next.js, Redux, TypeScript, and cloud integrations such as AWS S3 and Firebase, applied across e-pharmacy, gaming, ed-tech, and fintech products.
I prioritize product impact, performance optimizations, internationalization, and shipping reliable production systems while fostering strong engineering practices and team growth.
Experience
Work history, roles, and key accomplishments
Senior React Engineer
Aster DM Healthcare
Jul 2024 - Sep 2025 (1 year 2 months)
Led E-Pharmacy frontend team of 4 engineers, revamping cart/checkout to increase transaction revenue 3x and reduce LCP by over 50% while lowering JS execution to under 1s and enabling region-specific deployments.
Senior React Engineer
Gajigesa
Sep 2023 - Feb 2024 (5 months)
Designed and launched an employer dashboard for bulk employee management and built salary, referral, and bill payment flows in React-Native/Expo to improve operational efficiency and user engagement.
Senior Software Engineer
Cargill
Apr 2023 - Sep 2023 (5 months)
Re-engineered MiApp by upgrading React Native from v0.43 to v0.73, modernizing UX and enabling adoption by 1k+ global employees while implementing deep linking, Okta auth, and native push bridging.
SDE II
Mobile Premier League
Jul 2021 - Apr 2023 (1 year 9 months)
Developed Rummy & Callbreak games scaling to 10M+ MAUs and refactored lobby join flow to reduce join time from 2s to 0.8s, driving retention and revenue growth as the highest revenue generator.
Senior Software Engineer
Accolite Digital
Jul 2020 - Jul 2021 (1 year)
Built a cross-platform fitness app using TensorFlow for exercise detection and posture recognition, integrated Apple Health/Google Fit, and implemented real-time JSX updates to boost engagement.
React.js/React-Native Developer
Betterhalf.ai
Nov 2019 - Jul 2020 (8 months)
Rebuilt the admin panel with React.js and Redux, structured a monorepo for shared utilities, and engineered a resilient chat module with resend/retry and custom animations.
Software Developer - Mobile
Vedantu
Dec 2018 - Jun 2019 (6 months)
Delivered two flagship learning apps from concept to release as part of a four-member core team, architecting real-time chat/doubt workflows with socket.io and helping double company revenue via mobile migration.
Software Developer
Chimple Learning
Dec 2017 - Nov 2018 (11 months)
Developed self-learning Fiji/Maui apps for children selected for the Global Learning XPRIZE, architecting educational games to improve literacy and numeracy using React Native and Flutter.
Education
Degrees, certifications, and relevant coursework
Asansol Engineering College
Bachelor of Technology, Computer Science
2013 - 2017
Grade: CGPA: 7.64
Completed a B.Tech. in Computer Science with a CGPA of 7.64, focusing on software engineering and mobile/web application development.
St. Patrick's H.S. School
High School – Science (ISC), Science (Computer Science)
2010 - 2012
Grade: 74%
Completed Higher Secondary (Science, Computer Science) under the ISC board with a final score of 74%.
St. Patrick's H.S. School
Secondary School (ICSE), Science
1999 - 2010
Grade: 87%
Completed Secondary School under the ICSE board with a final score of 87%.
Availability
Location
Authorized to work in
Job categories
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