Professional Experience

Software Engineer — Meta 1/2022 - Present

• Meta Reality Labs

Principal Software Engineer — Airtime 6/2020 - 1/2022

Senior Software Engineer — Airtime 3/2017 - 6/2020

Software Engineer — Airtime 3/2015 - 3/2017

• Architected & implemented Airtime’s Android Video Chat SDK - core piece of the Airtime app.
  Java, Kotlin, NDK, JNI, C++17, WebRTC, CMake
• Created Airtime’s Android Video Playback SDK, customized bandwidth estimation to work alongside video chat, augmented ExoPlayer with multi-device playback synchronization and audio samples extraction for echo cancellation.
  ExoPlayer, Widevine DRM, MPEG-DASH, HLS
• Reduced 100+ hours of developer time by creating a library to greatly simplify JNI code writing and to perform compile-time error checking.
  C++ Template Metaprogramming
• Created Airtime’s iOS Video Processing Framework.
  Swift, iOS, Metal
• Optimized Audio/Video Capturing, Rendering & Processing, CPU Adaptation, AEC (Acoustic Echo Cancellation) tuning and device-specific peculiarities.
  OpenGL ES, OpenSL ES, Audio Processing, MediaCodec

Software Engineer — MaXentric Technologies 4/2014 - 3/2015

• Augmented Voice-over-IP features to MaXphone Android app.
  Android, NDK, C++, JNI, Audio Processing
• Implemented GrapeVine — Mobile Ad-hoc Network (MANET) / mesh routing in Java.
  Java
• Created a Java desktop app for controlling advanced RF hardware.
  Java, SWT (Standard Widget Toolkit), GUI
• Debugged existing FPGA Code (Telnet & FTP Server) by analyzing packet traffic using a packet sniffer.
  C, Wireshark

Assistant Programmer (STDT 4) — Qualcomm Institute 10/2013 - 4/2014

• Created MaXphone Android app — Voice communication with P25 (Public Safety) radios through attached SDR (Software Defined Radio) hardware.
  Android, Java, TCP/IP

Software Engineering Intern — L-3 Technologies 6/2013 – 9/2013

• Lead developer (team of interns) — Android app for real-time flight telemetry visualization.
  Android, Java, TCP, UDP

Award

2014 CNS Espresso Price for Excellence in Networking

• Router & firewall implementation in C.
• Selected as the best among 120+ other implementations.

Tech Stack

Specialty

• Android SDK & NDK
• Kotlin, Java, C++17
• JNI
• Android Media Stack
• Native Audio (OpenSL ES)
• MediaCodec
• ExoPlayer
• WebRTC

Proficient

• OpenGL ES / EGL
• MPEG-DASH / HLS
• Widevine
• C++ Template Metaprogramming
• Real-time Audio Processing
• CMake
• Swift / Obj-C / iOS
• Python
• NEON Intrinsics

Education

University of California, San Diego (UCSD) 12/2014

• B.S. Computer Science