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Achal Jaiswal

@achaljaiswal

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Android engineer at Singsys who modernized Android codebases and automated app build and release pipelines.

India

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At Singsys, I developed Flutter and Kotlin/Java Android applications and modernized legacy Android codebases into MVVM and Clean Architecture. I also built RESTful API and WebSocket clients for real-time cloud synchronization.

I automated builds and releases with GitHub Actions and Fastlane, and monitored production apps with Firebase Crashlytics and Performance Monitoring to diagnose and fix crash and performance regressions.

At Incroyable Industries Pvt. Ltd., I developed native Android apps and optimized performance and memory, cutting APK size by 70% and improving runtime performance by 40%. My projects include an offline-first retail POS app and apps with real-time chat, video, and payments.

Experience

Work history, roles, and key accomplishments

Software Engineer

Singsys

Jul 2025 - Jun 2026 (11 months)

Led development of Flutter and Kotlin/Java Android applications, modernized legacy codebases into MVVM and Clean Architecture, and built RESTful API and WebSocket clients with retry handling and cache invalidation. Worked in Git with daily branching and pull-request code review, and built CI/CD pipelines with GitHub Actions and Fastlane.

Kotlin Java Flutter Coroutines MVVM Clean Architecture REST APIs WebSockets Git GitHub Actions Fastlane Firebase Crashlytics Firebase Performance Monitoring

Android Developer

Incroyable Industries Pvt. Ltd.

Apr 2024 - May 2025 (1 year 1 month)

Developed native Android apps in Kotlin/Java using Dagger Hilt for DI and Coroutines for background and network work. Profiled and optimized app performance and memory, cutting APK size by 70% and improving runtime performance by 40%.

Kotlin Java DI Dagger Hilt Coroutines Android Studio Profiler Agora SDK Payment Gateways Google Maps API