Timeline
Engineering journey
From hardware validation to full-stack platforms—a career built on measurement, rigor, and systems thinking.
Side Projects & Product Platforms
Building measurement-driven platforms and AI-powered tools while continuing professional work in audio test engineering.
- Lyceum: Cloud test-data and analytics platform with traceability
- JoshuaOS: Personal operating system with RAG and multi-model AI agents
- Sonace Beta Portal: Manufacturing test tracking and validation system
Audio Test Engineer
Led validation for smart displays and audio products, coordinating firmware workflows and building test infrastructure.
- Facebook Portal: Far-field microphone array validation, AEC testing
- Smart audio devices: Speaker validation, beamforming test systems
- Built automated test rigs (Python, APx, custom measurement systems)
- Manufacturing coordination: DVT, build validation, production handoff
Audio Validation Engineer
Contributed to Alexa smart speaker validation, focusing on wake word detection and voice recognition quality.
- Wake word detection testing: automated batch testing across firmware builds
- Microphone array validation: beamforming, noise suppression
- Test automation: Python scripts for high-velocity firmware iteration
Test Engineer - VR/AR Audio
Audio validation for VR headsets, including spatial audio, microphone arrays, and latency measurement.
- Spatial audio validation: HRTF accuracy, head-tracking synchronization
- Built custom latency measurement systems (under 20ms end-to-end)
- Automated test rigs: HATS, APx analyzers, motion controllers
- Firmware collaboration: tight debugging loops with audio DSP team
Audio Test Engineer
Acoustic validation for premium WiFi music player, focusing on high-fidelity audio performance.
- Anechoic chamber testing: frequency response, THD, max SPL
- Streaming audio quality validation (WiFi/Bluetooth)
- Subjective listening tests and critical listening panels
- Manufacturing acceptance criteria and tolerance bands
Foundations
Electronics engineering education and early test engineering roles, building core skills in measurement, validation, and systems thinking.
- Electronics & audio fundamentals
- Test equipment mastery: APx analyzers, oscilloscopes, spectrum analyzers
- Python automation and data analysis
- Process discipline: PRD/FRD, test plans, traceability matrices