Andrew Juers
@andrewjuers
I build scalable mobile apps with AI, real-time, and secure integrations.
What I'm looking for
I've led mobile application work for T-Mobile and Goldman Sachs, modernizing flagship experiences with Jetpack Compose, GraphQL, AI agent workflows, React Native, SwiftUI, and real-time data. At T-Mobile, I migrated T-Life from XML to Compose, introduced modular architecture, and built BLE- and location-based IoT device tracking.
Across Spirit Airlines, Chevrolet, JCPenney, and Regeneron Pharmaceuticals, I've delivered secure consumer, connected-vehicle, e-commerce, travel, and field-operations apps. I focus on maintainable Android and iOS architecture, reliable backend integrations, performance, mobile security, and voice-enabled AI experiences.
Experience
Work history, roles, and key accomplishments
Led migration to Jetpack Compose and Material 3, integrated LLM APIs and AI agent workflows, and architected feature-based modularization for a large production app. Implemented real-time device tracking, voice interactions, and security features.
Architected a high-frequency trading and wealth management app using React Native, TypeScript, Swift, and SwiftUI, with AI-powered capabilities. Led migration to SwiftUI, integrated real-time WebSocket feeds, and established CI/CD with automated testing.
Senior Android Developer
Spirit Airlines
Sep 2019 - Oct 2021 (2 years 1 month)
Led Android development for a consumer travel app, delivering booking, check-in, boarding, loyalty, and payment experiences using Kotlin. Migrated legacy Java modules to Kotlin and implemented modular, offline-first architecture with Room, Retrofit, and OkHttp.
Developed connected-vehicle features integrating Android, cloud, and in-vehicle systems for telemetry, vehicle location, and remote controls. Built low-latency communication using REST, GraphQL, and MQTT, with offline command queuing and conflict resolution.
Android Developer
JCPenney
Apr 2016 - Nov 2017 (1 year 7 months)
Built scalable e-commerce features including paginated product catalogs, cart and checkout flows, secure payment tokenization, and personalized recommendations. Implemented offline caching, image optimization, and performance improvements to reduce memory leaks and ANRs.
Developed Android research and field-operations features with secure data collection, offline synchronization, encrypted storage, and SQLite. Implemented secure REST API integration with Retrofit/OkHttp, role-based access controls, PHI protection, and HIPAA-aware logging.
Education
Degrees, certifications, and relevant coursework
Old Dominion University
Bachelor of Computer Science, Software Development
2019 - 2021
Pursued a Bachelor of Computer Science in Software Development, focusing on software engineering principles and practices.
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Website
andrewj.netlify.appPortfolio
andrewj.netlify.appSalary expectations
Social media
Job categories
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