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I'm Sanjay Kumar Chaudhary, a Senior Flutter Developer and Mobile Architect with 9+ years of end-to-end experience designing, shipping, and scaling production-grade mobile applications across Agritech, Health Tech, Logistics, and Fintech. I thrive on building robust architectures, leading remote teams, and delivering scalable, user-friendly mobile experiences using Flutter, Dart, and related technologies. I enjoy turning complex problems into elegant solutions, evangelizing clean architecture (MVVM/BLoC), and integrating on-device AI with TensorFlow Lite, HIPAA-compliant data handling, and efficient CI/CD pipelines to ship high-quality software fast.…I'm Sanjay Kumar Chaudhary, a Senior Flutter Developer and Mobile Architect with 9+ years of end-to-end experience designing, shipping, and scaling production-grade mobile applications across Agritech, Health Tech, Logistics, and Fintech. I thrive on building robust architectures, leading remote teams, and delivering scalable, user-friendly mobile experiences using Flutter, Dart, and related technologies. I enjoy turning complex problems into elegant solutions, evangelizing clean architecture (MVVM/BLoC), and integrating on-device AI with TensorFlow Lite, HIPAA-compliant data handling, and efficient CI/CD pipelines to ship high-quality software fast.

Sanjay Kumar Chaudhary

App Developer, Front-End Developer, Back-End Developer, +2

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I'm Sanjay Kumar Chaudhary, a Senior Flutter Developer and Mobile Architect with 9+ years of end-to-end experience designing, shipping, and scaling production-grade mobile applications across Agritech, Health Tech, Logistics, and Fintech. I thrive on building robust architectures, leading remote teams, and delivering scalable, user-friendly mobile experiences using Flutter, Dart, and related technologies. I enjoy turning complex problems into elegant solutions, evangelizing clean architecture (MVVM/BLoC), and integrating on-device AI with TensorFlow Lite, HIPAA-compliant data handling, and efficient CI/CD pipelines to ship high-quality software fast.…I'm Sanjay Kumar Chaudhary, a Senior Flutter Developer and Mobile Architect with 9+ years of end-to-end experience designing, shipping, and scaling production-grade mobile applications across Agritech, Health Tech, Logistics, and Fintech. I thrive on building robust architectures, leading remote teams, and delivering scalable, user-friendly mobile experiences using Flutter, Dart, and related technologies. I enjoy turning complex problems into elegant solutions, evangelizing clean architecture (MVVM/BLoC), and integrating on-device AI with TensorFlow Lite, HIPAA-compliant data handling, and efficient CI/CD pipelines to ship high-quality software fast.

Available to hire

I’m Sanjay Kumar Chaudhary, a Senior Flutter Developer and Mobile Architect with 9+ years of end-to-end experience designing, shipping, and scaling production-grade mobile applications across Agritech, Health Tech, Logistics, and Fintech. I thrive on building robust architectures, leading remote teams, and delivering scalable, user-friendly mobile experiences using Flutter, Dart, and related technologies.

I enjoy turning complex problems into elegant solutions, evangelizing clean architecture (MVVM/BLoC), and integrating on-device AI with TensorFlow Lite, HIPAA-compliant data handling, and efficient CI/CD pipelines to ship high-quality software fast.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Advanced

Hindi

Fluent

Bengali

Fluent

Work Experience

Senior Flutter Developer at Blip Delivery Inc.

September 1, 2024 - March 1, 2025

End-to-end Flutter development for the Blip Driver app powering real-time last-mile delivery for 1,000+ drivers; architected and launched Blip Marketplace with MVVM and microservices-aligned RESTful APIs; led a distributed team of 5 across time zones; implemented CI/CD with Fastlane and GitHub Actions, reducing release cycle by 40% and achieving 78% test coverage.

Senior Flutter Developer at Prism Cloud Inc.

January 1, 2023 - April 1, 2024

Delivered Flutter modules for healthcare with a focus on HIPAA-aligned data handling and secure APIs; led a 5-engineer remote team with structured code reviews; improved sprint velocity by 20% and reduced defects by 35%; implemented end-to-end delivery across multiple modules.

Senior Flutter Developer (Contract) at Prism Cloud Inc.

January 1, 2023 - April 1, 2024

Delivered HIPAA-compliant Flutter modules for Bayshore Health Care; end-to-end features including care concierge forms, patient records, medication notifications, and emergency workflows; HIPAA-aligned data handling with AES encryption and secure APIs; led cross-functional sprint planning for a 5-engineer team; improved velocity by 20% and reduced post-release defects by 35%.

Senior Flutter Developer (Contract) at Mobile Programming Pvt. Ltd.

September 1, 2022 - January 1, 2023

Refactored legacy Flutter codebase by removing dead code and redundant API calls; migrated state management from Provider to BLoC with MVVM; reduced app startup time by 25%, improved UI responsiveness by 30%, and cut crash rate by 35%; implemented next-gen social features (Reels, Stories) using MVVM/BLoC; secured payments with AES-256 + RSA (PCI-DSS compliant) and led a 4-engineer mobile team through 8 milestones.

Flutter Developer at Stage 3 (B2B Fashion Platform)

September 1, 2021 - August 1, 2022

Refactored legacy Flutter codebase by eliminating dead code and redundant API calls; migrated state management from Provider to BLoC with MVVM; reduced startup time by 25%, improved UI responsiveness by 30%, and cut crash rate by 35%; implemented social features (Reels, Stories) to boost engagement by 40%.

Flutter Developer at Help Now (Health Tech)

January 1, 2019 - August 1, 2021

Designed and shipped an award-winning ambulance booking app for Android and iOS; integrated Google Maps SDK for real-time dispatch; reduced emergency response coordination time by 35% and served 50,000+ registered users at peak.

Mobile & Web Application Developer at Mus Technologies Services Pvt. Ltd.

September 1, 2015 - December 1, 2018

Shipped 18+ web and mobile apps using CI/CD; implemented security patches reducing vulnerabilities by 50%; built robust, user-friendly forms with validation and CMS integrations for 12+ apps.

Web Developer at Softcrpto Pvt. Ltd.

January 1, 2014 - August 1, 2015

Built 12+ secure, cross-browser web apps using HTML5, CSS3, JavaScript with authentication systems and unit testing frameworks; migrated 5 legacy sites to modern platforms, delivering all release milestones on time.