Connected Devices QA Engineer – Hardware & Firmware (Onsite)

duvari group; St. Louis (MO); On-site; USD 75,000 - 110,000; Full time

Job summary

duvari group is seeking a hands-on QA & Device Specialist to test next-generation connected consumer devices. The role is onsite in St. Louis, MO, with a contract-to-hire path based on performance.

You will work on hardware, firmware, BLE, and embedded systems, ensuring quality before release. Responsibilities include testing hardware and IoT devices, flashing firmware on embedded systems, validating OTA updates, and writing test scripts to boost QA efficiency.

Qualifications

• 3+ years of hardware and firmware QA testing experience.
• Experience flashing firmware on embedded devices.
• Hands-on experience with BLE testing tools (nRF Connect or Wireshark).
• Scripting experience with Python, JavaScript, TypeScript, or Shell.
• Strong troubleshooting skills and attention to detail.
• Able to work onsite in the St. Louis metro area.

Responsibilities

• Perform hands-on testing of connected hardware and IoT devices.
• Flash and validate firmware builds on embedded devices.
• Test Bluetooth Low Energy (BLE) connectivity, device performance, and mobile app integrations.
• Verify firmware updates, including OTA (Over-the-Air) updates.
• Write and maintain test scripts to improve QA efficiency.
• Identify, document, and communicate defects with engineering teams.
• Support production and warehouse technology, including scanners, labeling systems, and fulfillment tools.

Skills

Hardware QA testing

Firmware testing

BLE testing

Python

JavaScript

TypeScript

Shell

Tools

nRF Connect

Wireshark

Job description

duvari group is seeking a hands-on QA & Device Specialist to test next-generation connected consumer devices. The role is onsite in St. Louis, MO, with a contract-to-hire path based on performance.

You will work on hardware, firmware, BLE, and embedded systems, ensuring quality before release. Responsibilities include testing hardware and IoT devices, flashing firmware on embedded systems, validating OTA updates, and writing test scripts to boost QA efficiency.