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Sanjit S.

Lead Engineer | Frontend (React Native & ReactJs)

Bengaluru

6+ years of work experience

Happiest Minds Technologies
Jun 20265 mosPresent

Bengaluru, Karnataka, India

Happiest Minds Technologies
Jun 20265 mosPresent

Bengaluru, Karnataka, India

Mindbowser Inc
Jul 20241 yr 7 mosJan 2026

Pune District, Maharashtra, India

Senior React Native Engineer focused on building scalable, high-performance Android and iOS applications across healthcare, patient engagement, remote configuration, internal SDKs, data visualization, and device-connected workflows. · Led architecture and development of major React Native features used by 50,000+ active users across healthcare applications. · Improved app startup time, memory usage, and rendering performance by approximately 20% through profiling with Flipper, Android Studio Profiler, and optimization of component re-renders and bridge communication. · Built production-grade mobile experiences using React Native, TypeScript, Redux Toolkit, React Navigation, Firebase, Sentry, Crashlytics, GraphQL, REST APIs, and FHIR-based integrations. · Designed and maintained reusable React Native components, services, and internal SDKs for surveys, charts, medical records, journals, clinical readings, and remote configuration workflows. · Implemented native iOS and Android integrations using React Native TurboModules, contributing to scalable hybrid architecture and improved bridge performance. · Built a React.js-based admin portal enabling product teams to manage mobile remote configurations, feature flags, content updates, and environment settings without app releases. · Developed healthcare data ingestion and transformation workflows using surveys, Apple HealthKit, Google Fit, wearable devices, medical devices, and FHIR-compliant data structures. · Implemented localization, time zone–aware UI components, custom calendars, data visualization, reminder scheduling, and offline-capable caching mechanisms. · Improved application stability through Jest-based testing, snapshot testing, integration testing, production monitoring, crash reporting. · Collaborated with product, QA, design, internal engineering teams. · Mentored junior engineers through code reviews, pair programming, onboarding, and enforcement of React Native architecture.
Mindbowser Inc
Apr 20222 yrs 4 mosJul 2024

Pune District, Maharashtra, India

Audertec Solutions
May 20202 yrsApr 2022

Chandigarh, India

• Built React Native applications across IoT, video streaming, eCommerce, and task management domains • Developed IoT apps using TCP sockets, Firebase Cloud Messaging, and real-time data pipelines • Implemented video streaming and animated UIs using Reanimated • Integrated maps, GPS, camera, and file uploads using Google Maps API and RNFS • Worked on secure payments, authentication, cart, and order workflows • Optimized performance across Android and iOS platforms
SASA Infotech Private Limited
Jan 20203 mosMar 2020

Ahmedabad

LeetCode
@iamsnjt

Sanjit’s AI Stack

antigravity
antigravity
claude code
claude code
codex
codex
cursor
cursor

Education

Tulas University

Bachelor of Technology, Computer Science

Tulas University

20164 yrs2020

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Headline

Lead Engineer | Frontend (React Native & ReactJs)

About

Senior React Native Engineer with 6 years of experience building scalable, high-performance mobile applications across Android and iOS. I specialize in mobile architecture, performance optimization, reusable SDK development, and native integrations. I’ve led development of production-grade applications serving 50,000+ users across healthcare, IoT, video streaming, fintech, and community platforms. My experience includes delivering HIPAA/GDPR-compliant healthcare solutions, designing real-time chat systems, building offline-first architectures, and improving application performance by ~20% through profiling and memory optimization. I enjoy working on platform-level problems, mentoring engineers, and collaborating with Product, Design, and QA teams to deliver reliable, scalable mobile systems. 🔹 Tech Focus: React Native, TypeScript, Mobile Architecture, SDKs, Performance, Offline-First Systems 🔹 Open to: Global Remote Senior / Lead React Native roles

Location

Bengaluru

AI stack

antigravity

claude code

codex

cursor

Work experience

Module Lead at Happiest Minds Technologies, Jun 2026 - Present · 5 mos, Bengaluru, Karnataka, India

Module Lead at Happiest Minds Technologies, Jun 2026 - Present · 5 mos, Bengaluru, Karnataka, India

Senior Software Engineer at Mindbowser Inc, Jul 2024 - Jan 2026 · 1 yr 7 mos, Pune District, Maharashtra, India, Senior React Native Engineer focused on building scalable, high-performance Android and iOS applications across healthcare, patient engagement, remote configuration, internal SDKs, data visualization, and device-connected workflows. · Led architecture and development of major React Native features used by 50,000+ active users across healthcare applications. · Improved app startup time, memory usage, and rendering performance by approximately 20% through profiling with Flipper, Android Studio Profiler, and optimization of component re-renders and bridge communication. · Built production-grade mobile experiences using React Native, TypeScript, Redux Toolkit, React Navigation, Firebase, Sentry, Crashlytics, GraphQL, REST APIs, and FHIR-based integrations. · Designed and maintained reusable React Native components, services, and internal SDKs for surveys, charts, medical records, journals, clinical readings, and remote configuration workflows. · Implemented native iOS and Android integrations using React Native TurboModules, contributing to scalable hybrid architecture and improved bridge performance. · Built a React.js-based admin portal enabling product teams to manage mobile remote configurations, feature flags, content updates, and environment settings without app releases. · Developed healthcare data ingestion and transformation workflows using surveys, Apple HealthKit, Google Fit, wearable devices, medical devices, and FHIR-compliant data structures. · Implemented localization, time zone–aware UI components, custom calendars, data visualization, reminder scheduling, and offline-capable caching mechanisms. · Improved application stability through Jest-based testing, snapshot testing, integration testing, production monitoring, crash reporting. · Collaborated with product, QA, design, internal engineering teams. · Mentored junior engineers through code reviews, pair programming, onboarding, and enforcement of React Native architecture.

Software Engineer at Mindbowser Inc, Apr 2022 - Jul 2024 · 2 yrs 4 mos, Pune District, Maharashtra, India

Software Engineer at Audertec Solutions, May 2020 - Apr 2022 · 2 yrs, Chandigarh, India, • Built React Native applications across IoT, video streaming, eCommerce, and task management domains • Developed IoT apps using TCP sockets, Firebase Cloud Messaging, and real-time data pipelines • Implemented video streaming and animated UIs using Reanimated • Integrated maps, GPS, camera, and file uploads using Google Maps API and RNFS • Worked on secure payments, authentication, cart, and order workflows • Optimized performance across Android and iOS platforms

React Native & Flutter Developer at SASA Infotech Private Limited, Jan 2020 - Mar 2020 · 3 mos, Ahmedabad

Education

Bachelor of Technology, Computer Science, Tulas University

Public links

leetcode: https://leetcode.com/iamsnjt