Chaitanya Aggarwal

About Chaitanya Aggarwal

I’m a Principal-level Android Engineer with 10+ years of experiencebuilding and scaling mobile systems in the Payments domain.Over the years, my role has evolved from writing featuresowning architecture, reliability, performance, and people.What I work on:• Designing Android architectures that scale to millions of users• Building reliable payment flows where failure handling matters more than success paths• Kotlin, Coroutines, Flow, and Jetpack Compose at scale• Multi-module systems, build optimization, and app startup performance• Security, observability, and long-term maintainabilityLeadership & impact:• Technical ownership of Android platforms and shared components• Mentoring and growing Android engineers• Interviewing, onboarding, and setting engineering standards• Partnering with backend, product, and leadership teamsI care deeply about building systems that are boring in production,easy to evolve, and resilient under real-world conditions.Currently open to Principal Engineer or Engineering Manager roleswhere I can drive technical direction and have a significant impact on the team.

Experience

1. Consultant (Senior Android Engineer)

   Expedia Group

   Aug 2023 — Present · Gurugram, IN

   Contributing to Android development for large-scale, consumer-facing mobile applications with global reach• Working on complex feature flows where performance, reliability, and correctness are critical• Applying modern Android practices using Kotlin, Jetpack components, and clean architectural patterns• Integrating GraphQL-based APIs using Apollo and handling non-trivial data flows• Participating in architectural discussions and design reviews for Android features• Collaborating closely with engineers across mobile, backend, QA, and product teams in a distributed setup• Maintaining high engineering standards through thoughtful code reviews and incremental improvements

Education

• Guru Gobind Singh Indraprastha University

  Bachelor of Technology - BTech || USICT

Skills

• C++
• Php
• Powerpoint
• Microsoft Excel
• Sqlite
• Wordpress
• Html
• Sql
• Microsoft Word
• Javascript
• Phpmyadmin
• Mysql
• Data Structures
• Css
• C
• Programming
• Microsoft Office
• Dbms
• Visual Basic for Applications (Vba)
• Android Studio
• Java
• Bugzilla
• Xml
• Sublime Text
• Web Services
• Android Development
• Github
• Phpstorm