Sr SW Test Development Engineer

The Firmware Tools team at Dexcom is responsible for developing tools that help users connect with both Transmitter and Receiver devices and evaluate device health. As a Sr SW Test Development Engineer, you will support test FW feature interfaces and validate CGM Transmitter performance. 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 of BLE vendors/versions. Perform system‑level use cases such as intended use, cross‑body, direct‑to‑watch, range and interoperability. Analyze results and share feedback for next‑gen CGM transmitters. Debug customer‑reported issues and support resolution in collaboration with development team/vendor. Develop functional and stability tests using Python, Android Debug Bridge (ADB), Ellisys, Selenium, and Appium frameworks. Work in an Agile environment and use GitHub, Jira, and Confluence to create user stories, defect cards, and maintain code. Qualifications Bachelor’s degree in computer engineering/science, electrical/electronics engineering or related field (master’s or PhD preferred). 7‑12 years of industry experience, 2‑4 years in firmware/embedded testing (minimum 2 years in Embedded C, 2 years in Python scripting). Experience developing test plans/cases and test scripts. Proficient in languages: C, C++, Embedded C, Python. Familiar with tools: SSH Client, Arduino, JIRA, JTAG, PyCharm, Ellisys Sniffer, Wireshark, MATLAB. Knowledge of peripherals: GPIO, UART, SPI, I2C, CAN Protocol, TCP/IP, UDP. Benefits Front‑row seat to life‑changing CGM technology and industry leadership. Comprehensive benefits program. Growth opportunities on a global scale. Career development through in‑house learning programs and/or tuition reimbursement. Travel & Workplace Travel required: 0‑5%. Primary location is a home office; work with manager to determine office visit needs. Must live within commuting distance of assigned Dexcom site (typically 75 miles/120 km). Equal Opportunity Statement Dexcom is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, age, national origin, or protected veteran status and will not be discriminated against on the basis of disability. #J-18808-Ljbffr