Manufacturing Test Engineer , Bee

Job :  |  Services LLC

Are you passionate about bringing hardware products to life at scale? We are hiring a Manufacturing Test Engineer who combines hands‑on mechanical intuition with strong software skills to own the end‑to‑end factory test infrastructure for Bee's wearable AI devices.

In this role, you will design, develop, and maintain the manufacturing test stations that validate every Bee device coming off the production line — from board‑level functional tests through final assembly verification. You'll own the full test software stack (Python on Linux), evaluate and improve mechanical test fixtures, analyze production yield data, and work directly with our contract manufacturer in China to resolve issues in real time.

Bee is a personal AI company acquired by Amazon in 2025. The team operates with startup speed and full autonomy while leveraging Amazon's world‑class resources. We're a small, lean hardware team shipping multiple products per year — every engineer has outsized ownership and direct impact on what reaches customers.

• Own the full factory test line for Bee's wearable devices, including both Board Functional Testing and Assembly Functional Testing
• Develop and maintain the Python‑based test software that communicates with devices via BLE and USB to program boards, validate hardware functionality, and collect production data
• Evaluate, qualify, and improve mechanical test fixtures — ensuring fixture design is aligned to cost, scale, cycle time, and device tolerances (IP67 waterproofing, acoustic performance, button/LED verification)
• Define test strategies and pass/fail limits for new products; analyze testability during design phase and provide DFT feedback to hardware and firmware teams
• Compile and analyze production test data (yield, GR&R, Cp/Cpk) to drive continuous improvement and root‑cause failures
• Drive factory test quality improvements through corrective actions, monitoring functional test yield, and leading regular calls with the contract manufacturer
• Own RF/BLE validation testing, including RSSI measurement, antenna calibration, and wireless connectivity verification
• Support acoustic test development — microphone validation, audio recording quality, and integration with production audio test equipment
• Travel internationally to bring up new test lines, qualify fixtures, debug production issues, and support MP ramp
• Lead DOEs to root‑cause test‑station failures, isolating issues to DUT, fixture, or software implementation
• Provide feedback to EE, ME, and firmware teams to ensure future products are designed for efficient and high‑quality manufacturing test

The Manufacturing Test Engineer is embedded across the full product lifecycle, from early prototype builds through sustaining production, and is the critical link between our engineering team and the factory floor.

• 4+ years of working in mechanical engineering or equivalent experience
• Experience with prototyping and implementation

• Knowledge of Solid Works simulation or Ansys Finite Element analysis tools
• Experience in the design of complex mechanical products and equipment at volume

USA, CA, San Francisco -  -  USD annually.

Amazon is an equal‑opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status.