Core - central engineering for different consumer apps at Paytm

worked on fulfilment n returns and core engineering.

- Worked on reduction of ANR rate from 3.50% to 0.50%- Created a system to identify the Main Thread violations and Memory Leaks.- Worked on App Launch Performance and reduction of Cold Start Time.- Analyzed Network Layer in depth, identified bottlenecks and improved API 95th percentile from 7.91 secto 4.78 secs.- Worked on Modularization and Dynamic Delivery, fasten the app build time and app download sizereduced by 40%.- Worked on App Size Reduction by different techniques.- Worked on Security issues to prevent Man In Middle attack by SSL Pinning, SafetyNetAPI and FirebaseSecurity.- Architecting different central sdk/libs and providing technical solutions to different verticals.- Worked on Crashes and brought down from 98% to 99.8%.- Logging and analysis of Network layer errors and continuous coordination with Verticals onsolutioning.- Worked on Android SMS Database to design n develop various use cases like credit card bill remindersSms classification- Worked on in-house analytics sdk.- Worked on several techniques of optimum image loading in application.- Architectural Solutioning based on Androids different components and standards MVVM, LiveData,Coroutines, WorkManagers etc.

worked on multiple things for Paytm android consumer app

+ Cube26 acquired by Paytm in 2018. + Involved in the design, development of half dozen applications.+ Developed Android Widgets and understanding of its lifecycle.+ Developed System applications with pre installed for various OEMs.(Utilized System level permissions)+ Developed a Device health application using android APIs and AIDL to analyze and optimize device performance.+ Working on Camera2 and it related Apis to build a camera based application

Android apps development in domain of -Messenger spaceDating appsSystem apps

Worked for Nimbuzz messenger android, J2ME Nokia devices.

Working with j2me,jquery and android application--implemented wma(wireless messaging api) for j2me-worked on j2me payment application for a banking sector.-Created demo application using html5,css,jquery mobile.-Working on android m commerce application for an apparel manufacturing company.

Developed more than 20 application for java mobile(j2me,series40,android).worked with following technolgies n features set.-JSON/HTML/XML data integration with apps.-Socially connected apps-Photo apps-adv integration-app publishSome apps are here those are live on Nokia ovi store-Photo Fun-http://store.ovi.com/content/333301Draw and color-http://store.ovi.com/content/293038

Worked as a software trainee on android and related mobile java platforms(j2me).