SRAVAN KUMAR VUPPUGALLA
Dallas,TX
Summary
8+ years delivering secure, high-performance enterprise Android applications across Banking, Retail, Insurance, and Aviation. Expert in Kotlin, Jetpack Compose, MVVM, OAuth2/JWT authentication, and CI/CD automation. Proven track record improving security posture, app stability, and performance for high-scale consumer applications.
Overview
8
8
years of professional experience
Work History
Senior Android Developer
Delta Airlines
Atlanta
12.2025 - Current
- Leading Jetpack Compose modernization initiative for passenger experience modules.
- Reduced startup latency by 18% via performance optimization.
- Strengthened authentication & session handling for aviation compliance.
Senior Android Developer
USAA
Dallas
09.2025 - 11.2025
- Integrated BioCatch behavioral analytics and Glassbox masking, enhancing fraud detection coverage and ensuring compliance with financial data protection standards.
- Enhanced OAuth2/JWT lifecycle reducing token failures by 28%.
Senior Android Developer
Walmart
Sunnyvale
04.2025 - 08.2025
- Built high-traffic checkout modules using Compose for 5M+ monthly users.
- Reduced GraphQL payload by 30% improving API performance.
- Collaborated with cross-functional teams to integrate new features based on customer feedback and market trends.
- Analyzed user analytics to identify trends, driving enhancements that resulted in increased user engagement and satisfaction.
Senior Android Developer
Wells Fargo
San Francisco
01.2022 - 03.2025
- Led biometric login & MFA features impacting 3M+ users.
- Designed and implemented conversational Virtual Assistant flows using Dialogflow, enabling secure, context-aware interactions for millions of users.
- Spearheaded migration from legacy Java/XML implementations to Kotlin and Jetpack Compose-based modules, accelerating feature velocity and reducing technical debt.
- Championed WCAG 2.1 accessibility compliance across critical banking journeys (Login, Transfers, Assistant), ensuring regulatory adherence and inclusive design standards.
- Served as technical lead for offshore team, driving design reviews, enforcing code quality standards, and aligning cross-functional teams (Security, QA, Product) on high-risk feature releases.
Android Developer
Google
Mountain View
01.2018 - 12.2021
- Contributed to Google Assistant Android features used globally.
- Improved app stability reducing ANRs by 25%.
- Developed and maintained high-quality Android applications using Kotlin and Java.
- Worked closely with UI/UX designers to translate wireframes into fully functional Android apps that met both design specifications and user requirements.
Education
Master of Science - Computer & Information Sciences
Southern Arkansas University
Arkansas05.2017
Bachelor of Science - Computer Science Engineering
TRR Engineering College
Hyderabad, India04.2015
Skills
- Kotlin
- Java
- Jetpack Compose
- MVVM
- Hilt
- Retrofit
- GraphQL
- REST
- OAuth2
- JWT
- Biometrics
- Android Keystore
- SQLite
- Firebase
- BioCatch
- Glassbox
- Jenkins
- GitHub Actions
- JUnit
- Espresso
- WCAG 21
- App security best practices
- RESTful apis integration
- Memory management
- Unit testing frameworks
- Version control systems
- Animations and transitions
- Android SDK
- Mentoring junior developers
- Dependency injection
Timeline
Senior Android Developer
Delta Airlines
12.2025 - Current
Senior Android Developer
USAA
09.2025 - 11.2025
Senior Android Developer
Walmart
04.2025 - 08.2025
Senior Android Developer
Wells Fargo
01.2022 - 03.2025
Android Developer
Google
01.2018 - 12.2021
Master of Science - Computer & Information Sciences
Southern Arkansas University
Bachelor of Science - Computer Science Engineering
TRR Engineering College