Senior Firmware Test Engineer - BLE & Embedded

RXinsider LTD.; Northern, San Diego (KY, CA); Hybrid; USD 106,000 - 176,000; Full time

Benefits offered by this job

Comprehensive benefits

Global growth opportunities

Tuition reimbursement

Job summary

Dexcom is seeking a Sr SW Test Development Engineer to validate BLE interfaces for CGM transmitters and Dexcom G7 applications. You will execute interoperability tests, analyze results, and collaborate with vendors to improve next‑gen sensors and wearables.

The role requires expertise in Embedded C and Python, with strong testing discipline, in a fast-paced Agile setting and a home‑office work arrangement. Dexcom offers growth and global opportunities with a comprehensive benefits program.

Qualifications

• Bachelor’s degree in a technical discipline and 5–8 years related experience.
• 2–4 years firmware/embedded testing experience is required.
• 2+ years Embedded C experience is a plus, 2+ years Python scripting is required.

Responsibilities

• Validate BLE interface of Nordic/Silicon Labs based CGM transmitters and Dexcom G7 Application.
• Execute BLE interoperability tests to evaluate system performance and compatibility.
• Perform system-level use cases such as Intended use, Cross-Body, Direct-To-Watch, Range and Interoperability.
• Debug customer-reported issues and coordinate with development teams to resolve.
• Develop functional and stability tests using Python, ADB, Ellisys, Selenium and Appium.
• Operate in a fast-paced Agile environment and document work in GitHub, Jira, and Confluence.

Skills

Embedded C

Python

C/C++

BLE

Test automation

Education

Bachelor’s degree in a technical field

Tools

Ellisys Sniffer

Wireshark

MATLAB

GitHub

JIRA

Job description

Dexcom is seeking a Sr SW Test Development Engineer to validate BLE interfaces for CGM transmitters and Dexcom G7 applications. You will execute interoperability tests, analyze results, and collaborate with vendors to improve next‑gen sensors and wearables.

The role requires expertise in Embedded C and Python, with strong testing discipline, in a fast-paced Agile setting and a home‑office work arrangement. Dexcom offers growth and global opportunities with a comprehensive benefits program.