Vikas R.

Software Engineer

India14 yrs 5 mos experience

Most Likely To Switch

Key Highlights

Over 13 years of mobile application development experience.
Expert in Android architecture and performance optimization.
Proven track record in reducing app crash rates significantly.

Stackforce AI infers this person is a Fintech-focused Android Development expert with extensive experience in performance optimization and security.

Contact

vikasrathour.cse@gmail.com LinkedIn

Skills

Core Skills

Android DevelopmentPerformance OptimizationSecurity

Other Skills

Network Layer AnalysisApp ArchitectureApplication DesignDevice Health OptimizationCJavaSeries 40 OSJ2MEPHPJ2EE Application DevelopmentMobile DevicesCSSHTML 5EclipseJSON

About

- 13+ years of experience in mobile application development. - Have good understanding of Android SDK and its core architectural components. - Expertise in Android development using Kotlin /Java. - Designed mobile app architecture using MVVM, MVP and MVC. - Expert in Android Profiling and debugging. - Expert in dealing with client security issues. - Deep understanding of Network Layer and expert in optimising performance bottlenecks. - Worked on Android Vitals and fixing ANR/Crash and launch time issues.

Experience

14 yrs 5 mos

Total Experience

2 yrs 4 mos

Average Tenure

3 yrs

Current Experience

Paytm

4 roles

Principal Engineer

Promoted

Apr 2025 – Present · 1 yr 1 mo

EM - Core Engineering n App excellence | Core Team

Apr 2023 – Mar 2025 · 1 yr 11 mos

Core - central engineering for different consumer apps at Paytm

Senior Technical Lead

Promoted

Apr 2019 – Apr 2022 · 3 yrs

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 sec
to 4.78 secs.
Worked on Modularization and Dynamic Delivery, fasten the app build time and app download size
reduced 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 Firebase
Security.
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 on
solutioning.
Worked on Android SMS Database to design n develop various use cases like credit card bill reminders
Sms 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.

Android DevelopmentPerformance OptimizationSecurityNetwork Layer AnalysisApp Architecture

Technical Lead

May 2018 – Mar 2019 · 10 mos

worked on multiple things for Paytm android consumer app

Meesho

Software Engineer IV

Apr 2022 – Apr 2023 · 1 yr · Bengaluru, Karnataka, India

worked on fulfilment n returns and core engineering.

Cube26

Senior Android Developer

Nov 2015 – Apr 2018 · 2 yrs 5 mos · Greater Delhi Area

+ 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