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I am a Senior Mobile Application Architect with 7+ years of experience leading cross-platform Flutter/Dart projects across FinTech and super app ecosystems. I specialize in scalable mobile architectures (BLoC, SOLID) and integrating advanced cognitive services (GenAI/NLP). I’ve delivered measurable results, including a 23% improvement in security posture and 12% higher development efficiency across major enterprise applications. I thrive on solving complex technology problems for global brands and enjoy building secure, high-performance mobile platforms. I aim to architect high-performance, secure, and globally scalable mobile platforms. I have a track record of leading end-to-end agile journeys, migrating native apps to unified Flutter codebases, and driving accessibility, internationalization, and user-centric design across diverse user bases.…I am a Senior Mobile Application Architect with 7+ years of experience leading cross-platform Flutter/Dart projects across FinTech and super app ecosystems. I specialize in scalable mobile architectures (BLoC, SOLID) and integrating advanced cognitive services (GenAI/NLP). I’ve delivered measurable results, including a 23% improvement in security posture and 12% higher development efficiency across major enterprise applications. I thrive on solving complex technology problems for global brands and enjoy building secure, high-performance mobile platforms. I aim to architect high-performance, secure, and globally scalable mobile platforms. I have a track record of leading end-to-end agile journeys, migrating native apps to unified Flutter codebases, and driving accessibility, internationalization, and user-centric design across diverse user bases.

Harry Sandal

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

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I am a Senior Mobile Application Architect with 7+ years of experience leading cross-platform Flutter/Dart projects across FinTech and super app ecosystems. I specialize in scalable mobile architectures (BLoC, SOLID) and integrating advanced cognitive services (GenAI/NLP). I’ve delivered measurable results, including a 23% improvement in security posture and 12% higher development efficiency across major enterprise applications. I thrive on solving complex technology problems for global brands and enjoy building secure, high-performance mobile platforms. I aim to architect high-performance, secure, and globally scalable mobile platforms. I have a track record of leading end-to-end agile journeys, migrating native apps to unified Flutter codebases, and driving accessibility, internationalization, and user-centric design across diverse user bases.…I am a Senior Mobile Application Architect with 7+ years of experience leading cross-platform Flutter/Dart projects across FinTech and super app ecosystems. I specialize in scalable mobile architectures (BLoC, SOLID) and integrating advanced cognitive services (GenAI/NLP). I’ve delivered measurable results, including a 23% improvement in security posture and 12% higher development efficiency across major enterprise applications. I thrive on solving complex technology problems for global brands and enjoy building secure, high-performance mobile platforms. I aim to architect high-performance, secure, and globally scalable mobile platforms. I have a track record of leading end-to-end agile journeys, migrating native apps to unified Flutter codebases, and driving accessibility, internationalization, and user-centric design across diverse user bases.

Available to hire

I am a Senior Mobile Application Architect with 7+ years of experience leading cross-platform Flutter/Dart projects across FinTech and super app ecosystems. I specialize in scalable mobile architectures (BLoC, SOLID) and integrating advanced cognitive services (GenAI/NLP). I’ve delivered measurable results, including a 23% improvement in security posture and 12% higher development efficiency across major enterprise applications. I thrive on solving complex technology problems for global brands and enjoy building secure, high-performance mobile platforms.

I aim to architect high-performance, secure, and globally scalable mobile platforms. I have a track record of leading end-to-end agile journeys, migrating native apps to unified Flutter codebases, and driving accessibility, internationalization, and user-centric design across diverse user bases.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Work Experience

Senior Mobile Application Architect at TCS

January 1, 2018 - Present

Led the development of the next-generation Authorize.net 2.0 platform within Visa's ecosystem, delivering a fast, streamlined payment solution across online, mobile, and in-person channels. Implemented real-time fraud detection tools, built-in security enhancements (including Face Recognition for mPOS), and expanded multi-channel acceptance (Apple Pay, Google Pay, eCheck, VPOS, QR codes). Drove mPOS 2.0 across iOS/Android/tablet, enabling secure EMV/tap-to-terminal functionality. Introduced AI support tools and customizable dashboards to boost merchant efficiency, while ensuring accessibility and internationalization.

Flutter Engineer at Tata Neu / Tata Digital

January 1, 2019 - Present

Spearheaded the full-stack migration of separate native Android and iOS apps to a unified Flutter codebase, increasing cross-platform development efficiency by 12%. Designed and implemented innovative UI/UX features including social logins and auto-read OTP, with strong emphasis on accessibility (A11Y) and internationalization to broaden reach (113 languages). Led end-to-end features from user needs analysis to client installation, and piloted POCs for auto-read OTP, accessibility improvements, and localization.