iMumz Pregnancy App
The Challenge
iMumz needed to scale their pregnancy wellness app to serve over 100K expecting mothers across India while maintaining a crash-free, performant experience. The existing codebase had stability issues causing user drop-off, and new engagement features needed to be shipped rapidly without breaking the core experience. The team required engineering leadership to own the mobile platform end-to-end.
The Solution
Took full ownership of the Flutter mobile platform as Software Engineer II. Refactored the architecture to BLoC pattern for predictable state management, implemented comprehensive Crashlytics monitoring, and established automated CI/CD pipelines with Fastlane and GitHub Actions. Led the development of A/B testing infrastructure that enabled data-driven feature rollouts. Introduced structured code review processes and mentored junior developers to scale the team's output.
Results
Crash-Free Sessions
+38%
Improved app stability from baseline to 99.2% crash-free sessions through systematic debugging and architecture improvements
User Engagement
+25%
A/B tested features increased daily active engagement by 25% with personalized pregnancy content delivery
User Base
100K+
Scaled the app to serve over 100,000 expecting mothers with consistent sub-2-second load times
Release Velocity
2x
Doubled the release frequency through automated CI/CD pipelines and structured sprint planning
Tech Stack
““Yashraj consistently demonstrates full ownership of projects, ensuring timely delivery with precision and attention to detail. His clarity in making critical decisions in mobile engineering is truly commendable.”
ARAankit Roy
Engineering Leader, iMumz
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