Joseph Perez
Software Engineer - Android / IOS / Full Stack / Hardware Integrations
- Role
- Lead Engineer at Qwytt
- Location
- Hoboken, NJ, US
- LinkedIn followers
- 500 followers
About Joseph Perez
I\'m a multifaceted software engineer with hands-on experience across iOS, Android, web…
Experience
Lead Engineer
Feb 2023 — Present
Mobile- Published a cross-platform Flutter app to the App Store and Google Play, pairing with a first-of-its-kind BLE nicotine topography sensor, enabling previously impossible cessation research- Architected an SQLite + Firestore offline-first sync model, powering a real-time data visualization dashboard and ensuring seamless data consistency across mobile, web, and IoT devices under intermittent connectivity.Full Stack- Built a full-stack vaping cessation platform with Flutter (mobile), React.js (web), and a hybrid SQLite + Firestore sync model, supporting real-time data across web, mobile, and IoT devices under intermittent connectivity- Developed a Firebase-backed admin portal with sandboxed data flows, automated account provisioning, and secure role-based access to accelerate onboarding and meet App Store data compliance policies- Led a 6-month roadmap, managing 3 engineers and delivering a patent-pending system architecture (cloud, client, and embedded ML) in coordination with URMC for NIH pilot submission.Embedded- Designed and developed a compact, low-power Bluetooth device using the NRF5 SDK for accurate vaping usage monitoring- Implemented embedded C drivers for LIS331DLH, MS5837-02BA, and BMP384 sensors to measure airflow and motion with sub-second precision- Designed buttonless DFU, PWM for LED feedback, and power-optimized BLE communication for sustained, real-world usage- Achieved a form factor over 200% smaller than alternatives, with data fidelity sufficient for upcoming pilot studies.Project Management- Filed a PCT Patent Application (PCT/US2024/015600) for a system architecture consisting of mobile client application, hardware, and cloud and embedded ML models utilized for nicotine prevention and cessation- Coordinated with University of Rochester Medical Center to align device metrics with advanced vape topography standards, paving the way for NIH pilot studies.
Education
Stevens Institute of Technology
Bachelor of Engineering - BE
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