information
About Me
Mobile App Developer
Building clean, scalable Flutter apps for real users.
Flutter Developer with hands-on experience building production-ready healthcare applications, cross-platform mobile apps, payment flows, Firebase integrations, and real-time user experiences for Android and iOS.
I enjoy turning complex app requirements into smooth, reliable, and polished mobile experiences, with a strong focus on UI quality, performance, debugging, and production releases.
What are my
Skills
Where have I
Studied
Computer Systems Engineering
Mehran University of Engineering and
Technology
2018 - 2022
Intermediate
Superior College of Science
Hyderabad
High School
County Cambridge School
Hyderabad
What is my
Experience
Flutter Developer
Bizaffix
Sep 2024 - Present
Contributed to developing and maintaining healthcare apps, resolving 200+ issues
to enhance stability and performance. Fixed major bugs in video calls, OTP
verification, and payments while improving booking flows, API integration, and
real-time communication. Managed iOS and Android releases, configured Firebase
and notifications, and added features like real-time tracking, multilingual
support, and accessibility improvements in an Agile environment.
Mobile Application Developer
Renexus Resource Group
May 2024 - Sep 2024
Maintained and enhanced a cross-platform mobile app, fixing bugs and adding new
features to improve performance and user experience. Integrated Google Maps for
location services and Firebase Authentication for secure login. Ensured
consistent
functionality across Android and iOS through thorough testing. Followed MVVM and
GetX architecture for clean, maintainable code and successfully deployed updates
to
both the Apple App Store and Google Play Store.
Flutter Developer
Zee Palm
Mar 2023 - May 2023
Implemented MVC architecture and GetX for scalable state management. Translated
complex UI designs into responsive Flutter code and converted static mockups
into
fully functional, dynamic applications.
selected work
Projects
A curated showcase of Flutter applications, UI concepts, animations, Firebase integrations, payment flows, and production-focused mobile app work.
real world
Production Apps
Production healthcare platforms I contributed to, focused on consultations, patient workflows, payments, and clinical operations across Android and iOS.
Saned Care Provider
Maintained a production-grade physician healthcare application focused on consultations, patient management, clinical workflows, and real-time communication.
- Resolved critical production issues across appointment booking, instant consultation, OTP authentication, and payment flows in a large-scale healthcare platform.
- Debugged and fixed complex real-time video consultation and calling issues involving Agora, VoIP notifications, backend synchronization, and widget lifecycle conflicts.
- Managed iOS and Android production releases, including Firebase, APNs, TestFlight deployments, and App Store submissions.
- Collaborated with backend and QA teams to resolve timezone, booking validation, insurance, and payment gateway issues.
Farabi Lab Home Care
Contributed to a real-world patient healthcare platform with appointment booking, subscriptions, insurance flows, payments, and video consultation features.
- Contributed to production-grade Flutter healthcare applications by implementing feature enhancements, bug fixes, and performance improvements across Android and iOS platforms.
- Handled App Store and Google Play production releases, including TestFlight deployments, production builds, expedited review requests, and resolving App Store rejection issues.
- Worked on Apple Pay, ClickPay, and Tap Payment integrations while debugging live payment and authentication issues.
- Improved appointment booking, physician filtering, notifications, subscriptions, and instant consultation workflows.
certifications and
Achievements
Blogs &
Publications
Technical Blog at Medium/@ShahzainAhmed
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