Jayashree Nagarajan, Augmented Reality (AR) Developer in Hayward, CA, United States
Jayashree Nagarajan

Augmented Reality (AR) Developer in Hayward, CA, United States

Member since October 7, 2020
Jayashree is an Android engineer with over eight years of experience building elegant and performant mobile applications, platforms, and SDK tools in AR and spatial computing. She also enjoys building scalable full-stack applications and added features for apps such as Rally Plus which is used by millions of users. Her passion lies in providing the best user experience through beautiful and intuitive UI design. She hopes to impact as many projects as possible through the Toptal community,
Jayashree is now available for hire


  • Freelance
    RxJava, Dagger 2, KOIN, Retrofit, PAW, Kotlin, Android
  • SamsungNEXT
    Augmented Reality (AR), Postman, C++, C#, Unity3D, Android
    Augmented Reality (AR), Java, C#, C++, Android, Unity3D



Hayward, CA, United States



Preferred Environment


The most amazing...

...technical workshop I presented was at Samsung Developer Conference. I also coached hundreds of CS graduates, helping them ace their technical interviews.


  • Senior Android Developer

    2019 - 2019
    • Owned end to end feature design and implementation for the United Healthcare App.
    • Wrote end to end unit tests and automation tests using JUnit.
    • Employed modern Android architecture and Jetpack libraries written entirely in Kotlin.
    • Collaborated with off-shore teams for bug-fixes and QA testing.
    Technologies: RxJava, Dagger 2, KOIN, Retrofit, PAW, Kotlin, Android
  • Senior Mobile Developer

    2018 - 2019
    • Architected the mobile SDK to enable building persistent and multiplayer content.
    • Migrated application-level Rest API and networking calls to native C++ for cross-platform support.
    • Implemented internal developer tools and CI Build Pipeline to streamline engineering efforts.
    • Served as the lead developer for the Spatial Checklist application in Unity and Android using the SDK.
    Technologies: Augmented Reality (AR), Postman, C++, C#, Unity3D, Android
  • Senior Mobile Developer

    2015 - 2018
    • Built end to end AR applications to run on DAQRI Smart Helmet, leveraging device sensors such as depth, motion, thermal, and Bluetooth.
    • Collaborated with UX/UI designers in bringing intuitive and practical user-experience and user interaction.
    • Implemented C# APIs to expose underlying native callbacks to the external developers.
    • Designed and implemented UI menus, widgets, and inspectors customized towards industrial applications.
    Technologies: Augmented Reality (AR), Java, C#, C++, Android, Unity3D
  • Senior Unity Developer

    2013 - 2015
    Qualcomm Inc
    • Built complex, engaging AR applications in Unity3D and Android with Vuforia SDK.
    • Collaborated with computer vision and SDK engineers in architecting API design and advised developers on best practices with rich code samples and sample applications.
    • Improved Unity and Vuforia integration and overall product quality in collaboration with design and product teams.
    Technologies: Java, Android, C#, Unity3D
  • Game Developer

    2012 - 2013
    TicToc Games
    • Built the Quest System to work with the game narrative for Apptivity TM MonsterHigh TM.
    • Built a custom model-view-presenter that worked best under the constraints of the Unity framework.
    • Created custom level-editing tools for level designers to independently design game puzzles and quests.
    Technologies: Game Development, C#, Xcode, Unity3D


  • Rally Plus Healthcare App

    A healthcare app that lets you take your health on the go in one convenient mobile experience. Depending upon your employer benefits, you can take health surveys, join missions and challenges to build healthy habits, get rewarded with points for taking healthy actions, and much more. I worked on the end to end gift card redemption feature of this app that lets the user redeem their earned coins through gift card purchases.

    The project was fully built on Kotlin and the latest Android architectural components.

    I wrote unit tests, integration tests, and functional end to end tests for the feature.


  • Languages

    Java, C++, C#, Kotlin
  • Frameworks

    Unity3D, KOIN, Dagger 2
  • Platforms

    MacOS, Firebase
  • Other

    Android Development, 3D Math, Computer Graphics, Game Development, Augmented Reality (AR), Algorithms, Networking, Operating Systems, Data Structures
  • Libraries/APIs

    PAW, Retrofit, RxJava
  • Tools

    CircleCI, Postman, Xcode, Crashlytics
  • Storage



  • Master's Degree in Computer Science
    2009 - 2011
    University of California Los Angeles - Los Angeles, California
  • Bachelor of Engineering Degree in Computer Science
    2001 - 2005
    Utkal University - India

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