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. This is a role where you'll write code in the morning and troubleshoot fixture tolerances in the afternoon.
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. If you thrive at the intersection of software and mechanical systems, love solving problems on the factory floor, and want to own quality for an entirely new product category, this is the role for you.

Key job responsibilities
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

A day in the life
Bee builds personal ambient AI wearable devices that deeply understand the customer by experiencing the world from their perspective. The hardware team ships multiple form factors per year — from concept through mass production — at a pace that keeps everyone on their toes. We combine startup speed with Amazon's resources, working closely with contract manufacturers to deliver high-quality products at scale. 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.

About the team
This role owns all manufacturing test infrastructure for Bee's hardware products. The engineer will own the Python test software stack that communicates with devices over BLE and USB, maintain and improve test fixtures at CM, and drive yield improvements across 5+ test stations per product. We need someone comfortable writing production-grade Python AND evaluating mechanical fixture design — our test stations involve pneumatic seals for IP67 leak testing, acoustic chambers for mic validation, RF shielded enclosures, and precision alignment fixtures. The right person can debug a BLE protocol issue and a fixture tolerance stack-up in the same day. They'll work directly with the Bee Mechanical/Electrical team and the CM and need to be effective across time zones and cultures.