Hi, I'm Tanay Mondal
Senior Android Engineer

Senior Android Engineer with 10 years of experience building large-scale, high-performance mobile applications for global products like Meta AI and PayPal. Specialized in Android architecture, Jetpack Compose, Wearables, and power optimization.

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About Me

Turning ideas into reality with code

I'm a Senior Android Engineer with 10 years of experience building large-scale, high-performance mobile applications for global products like Meta AI and PayPal. I specialize in Android architecture, Jetpack Compose, Wearables, and power optimization.

Throughout my career, I've had the privilege of working with industry-leading companies, delivering features that impact millions of users worldwide. From developing Meta AI's wearable companion app to implementing critical features for PayPal's mobile platform, I focus on creating robust, security-critical applications that users can rely on.

I'm passionate about clean architecture, test-driven development, and mentoring fellow developers. My approach combines technical excellence with a deep understanding of user needs, always striving to improve app reliability, test coverage, and user engagement.

10+
Years Experience
5+
Major Companies
100M+
Users Impacted
100%
Commitment

Tech Stack

Technologies I work with

🤖 Core Android

Kotlin Jetpack Compose MVVM/MVI Android Jetpack Clean Architecture Modularization

âš¡ Async & Data

Coroutines Flow LiveData Room WebSockets GraphQL MySQL PostgreSQL

🧪 Testing & CI/CD

Espresso Unit Testing JUnit Mockito Robolectric CI/CD TDD

🚀 Advanced & Tools

Wearables Power Optimization WebRTC KMP Git Jira Firebase Figma

☕ Backend & Spring

Spring Boot Spring MVC Spring Data JPA Spring Security Hibernate REST APIs Maven Gradle

Professional Journey

My career timeline

January 2025 - Present

Senior Software Engineer

Tech Mahindra Limited • Meta (Client) • Hyderabad, India
Leading development of Meta AI wearable applications and power optimization initiatives.
  • Delivered new features for Meta AI wearable companion app, improving device usability and feature adoption
  • Developed a custom system clock application for wearable devices
  • Implemented automated power consumption testing using the Gauntlet framework to analyze and optimize wearable device power usage
June 2021 - December 2024

Senior Engineer

Altimetrik India Pvt. Ltd. • PayPal (Client) • Bengaluru, India
Developed critical features for PayPal's mobile platform, focusing on user engagement and security.
  • Implemented the PayPal Everywhere feature, driving greater adoption of PayPal debit and credit cards
  • Implemented the Account Setup Zone feature, significantly enhancing user profile completeness
  • Collaborated with the QRC Team to improve the QR code scanning experience and strengthen security through biometric authentication
  • Improved automated test coverage and reliability for PayPal mobile modules, significantly reducing regression issues in production
February 2019 - May 2021

Senior Android Developer

YuviTime XS Pte. Ltd. (YuWee) • Singapore (Remote)
Built WebRTC-based communication platform with advanced messaging capabilities.
  • Developed YuWee android app, an email-integrated WebRTC communication platform with advanced messaging capabilities
  • Created the YuWee Android Library and iOS Framework for development teams
  • Developed and implemented P2P, Intel OWT, Group (MCU) calling solutions
July 2016 - January 2019

Senior Android Developer

Digital Aptech Pvt. Ltd. • Kolkata, India
Developed multiple Android applications for government and commercial projects.
  • Worked on State Government project for Kolkata Police
  • Designed and developed applications for hotel booking, cab booking, and chat functionality
November 2015 - June 2016

Software Developer - Android

Mindpace Software Technologies Pvt. Ltd. • Kolkata, India
Started my professional journey building mobile applications.
  • Designed and built applications focused on social and sports functionalities