Available to hire
Hi, I’m Harsh Mittal, a Senior Mobile and Flutter/Android developer with over 8 years of hands-on experience delivering scalable Android and cross-platform apps. I’ve led teams, implemented secure authentication, integrated payment gateways, and built back-office tools and customer-facing apps for fintech and enterprise customers.
I’m passionate about clean architecture, CI/CD, and mentoring peers to ship high-quality software. I enjoy turning complex requirements into reliable, user-friendly mobile experiences and collaborating across product, design, and QA to meet ambitious timelines.
Language
English
Fluent
Work Experience
Team Lead/Sr. Flutter Developer at Wio Bank, ABU Dhabi (StatusNeo)
May 1, 2024 - PresentLed the team for the Backoffice module managing development and code reviews. Developed and maintained a Retail Banking App on Flutter for Android & iOS, integrating secure authentication methods like OAuth, JWT, and biometric login. Built a Flutter Web Backoffice app for customer support with real-time issue tracking and implemented role-based access control for secure financial data access. Integrated RESTful APIs & WebSockets for customer data and transaction history. Successfully deployed Flutter Web and optimized CI/CD pipelines to reduce development efforts and deployment time.
Sr. Flutter / Android Developer at Nreach Online Services (Xoxoday)
February 1, 2024 - August 18, 2025Revamped native Android app using Material UI and led its migration to Flutter for Android & iOS, improving user experience. Led the mobile team for app development and delivery. Optimized Empuls app reducing load time by 8%, enhancing user satisfaction.
Sr. Android Developer at Jio Platform (Jiomeet)
April 1, 2022 - August 18, 2025Developed native Android apps using Kotlin, Java, and WebRTC for real-time communication. Led Android team for India’s top meet app using Kotlin, Coroutines, and MVVM, improving performance. Mentored juniors, improved productivity by 10%, and managed sprint-based feature development. Led government project Android module ensuring compliance. Optimized media resources to reduce video call latency by 40%, maintaining a 4.6+ Play Store rating.
Sr. Android Developer at Wasteland Entertainment (Paytm Insider)
October 1, 2020 - August 18, 2025Led development of live game show app integrating POS devices for RFID transactions. Built live video module handling over 20K users, enhancing engagement. Developed cashless payments app for OnePlus Event enabling offline transactions for 30K+ users. Improved UX with social login and Algolia-powered live search, boosting conversions. Implemented test automation and analytics for app stability and performance.
Sr. Android Developer at Desynova Digital Pvt Ltd (Topaz)
May 1, 2019 - August 18, 2025Implemented clean architecture with Kotlin & Java, optimized media processing. Migrated codebase from Java to Kotlin improving maintainability and speed. Built external HLS streaming module using Exoplayer. Developed MVVM architecture, reducing bugs by 28%. Optimized performance through offline storage and threading leading to better user experience.
Sr. Android Developer at Internet Wallet Pvt Ltd (Ok$)
January 1, 2018 - August 18, 2025Developed wallet recharge and electricity modules securing transactions. Built electricity and toll bill payment module for Myanmar increasing bill payments by 12%. Revamped UI and separated business logic reducing bugs. Enhanced security with Dexguard and Proguard. Resolved 75% of user complaints in real time. Integrated third-party libraries accelerating development.
Android Developer at Nearet India Pvt Ltd (NEARET)
April 1, 2017 - August 18, 2025Developed Java-based Android app with MVP architecture for scalability. Built location-based e-commerce app enhancing retailer visibility with Google Maps. Led MVP adoption and developed buyer & seller apps from scratch. Optimized map usability with clustered markers improving navigation. Fixed 15% of app issues and designed engaging UIs.
Android Developer at JKB Infotech Pvt Ltd (NEARET)
February 1, 2016 - August 18, 2025Developed reward-driven parking app increasing retention. Built AR app enabling video playback via image recognition. Delivered projects 15% faster for US & Indian clients. Led cross-functional collaboration focusing on customer-centric development. Integrated push notifications raising engagement by 30%.
Team Lead / Sr. Flutter Developer at Wio Bank, Abu Dhabi (StatusNeo)
May 1, 2024 - PresentLed the Backoffice module development and code reviews; built and maintained a Retail Banking mobile app (Flutter) for Android & iOS; integrated secure authentication (OAuth, JWT, biometrics) and multiple payment gateways; utilized Provider, Cubit, and Bloc for statement management; built a Backoffice Web App (Flutter Web) for real-time issue tracking and customer support; implemented role-based access control; integrated RESTful APIs and WebSocket for customer data and transaction history; deployed Flutter Web and streamlined flavor builds via CI/CD, improving release efficiency.
Sr. Flutter / Android Developer at Nreach Online Services (Xoxoday)
April 1, 2022 - February 1, 2024Revamped native Android app with Material UI and led its migration to Flutter for Android & iOS; managed and mentored mobile team; optimized Empuls app on Flutter, reducing app load time and improving performance and user satisfaction.
Sr. Android Developer at Jio Platform (Jiomeet)
November 1, 2020 - April 1, 2022Developed native Android apps using Kotlin/Java and WebRTC for real-time communication; led Android development for India’s top meet app, trained juniors, and managed sprint-based feature delivery; led Android module for a government project with strict compliance; optimized media resources to reduce video call latency by 40% and maintained a high Play Store rating.
Sr. Android Developer at Wasteland Entertainment (Paytm Insider)
May 1, 2019 - October 1, 2020Led development of a live game show app with RxJava & Kotlin, integrated POS devices for RFID transactions; built a Live Video module supporting 20K+ users; developed a cashless payments app for large-scale events; improved UX with social login, live search, and a redesigned homepage; implemented test automation (Espresso, Mockito) and analytics tooling; worked on POS integration for events.
Sr. Android Developer at Desynova Digital Pvt Ltd (Topaz)
January 1, 2018 - May 1, 2019Implemented clean modular architecture with Kotlin & Java; migrated Java code to Kotlin to improve maintainability and development speed; enhanced media processing workflows and overall app performance.
Sr. Android Developer at Internet Wallet Pvt Ltd (Ok$)
April 1, 2017 - January 1, 2018Developed wallet recharge and electricity modules in Kotlin & Java; built Electricity & Toll Bill modules for Myanmar; improved UI with testing coverage; enhanced security with DexGuard/ProGuard and reduced user-reported issues through iterative improvements.
Android Developer at Nearet India Pvt Ltd (NEARET)
February 1, 2016 - April 1, 2017Developed Java-based Android app with MVP; built a location-based e-commerce app with Google Maps integration; led MVP adoption and developed Buyer & Seller apps from scratch; improved map clustering and overall UX; identified and fixed issues to raise quality.
Android Developer at JKB Infotech Pvt Ltd (NEARET)
December 1, 2014 - February 1, 2016Developed a reward-driven Parking app in Java; built an AR app for a publication; collaborated with US & Indian clients on News and Trick game apps; led cross-functional collaboration and integrated push notifications to boost engagement.
Education
MBA (IT) at NMIMS University
January 1, 2020 - January 1, 2022B. Tech, Computer Science at UPTU University
January 1, 2010 - January 1, 2014MBA(IT) at NMIMS University
January 1, 2020 - January 1, 2022B.Tech, Computer Science at UPTU University
January 1, 2010 - January 1, 2014Qualifications
Microsoft Technology Associate
January 1, 2012 - August 18, 2025Microsoft Technology Associate
January 1, 2012 - April 2, 2026Android and Java Course
January 1, 2014 - January 1, 2014Flutter Development
January 1, 2019 - April 2, 2026ONGC, New Delhi
January 1, 2014 - April 2, 2026Industry Experience
Financial Services, Government, Media & Entertainment, Software & Internet, Retail, Professional Services
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