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Software Test Engineer, HIL

Hark· Embedded Software
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San Jose$150k - $350kfull-timePosted 3w ago

About the role

Role focused on building hardware-in-the-loop (HIL) test benches and the software infrastructure to control them, designing test cases, and turning test results into actionable findings to ensure software on real hardware (with radios, audio, cameras, sensors, actuators) meets quality across device functionality and performance.

Responsibilities

  • Build physical test systems and HIL benches for software verification, starting from zero
  • Develop the test infrastructure and libraries, mostly in Python, that let any engineer run develop and run automated tests on hardware devices
  • Design test strategies from product requirements and build the test cases that produce the quality signals necessary for rapid deployment
  • Automate end-to-end tests that verify radios and sensors such as Wi-Fi, LTE, 5G, Bluetooth, GPS/GNSS, audio, camera and video input and output
  • Interpret test results, root-cause and document failures, and fix issues in the product when it makes sense
  • Integrate test runners with CI/CD so builds are tested automatically on real devices
  • Partner with device software, backend, audio, radio, and ML teams so their work can be tested on shared benches

Qualifications

  • 5+ years of experience testing software on hardware devices
  • Hands-on experience building HIL test benches for automated software testing on devices
  • Proficiency in Python for building test cases and test infrastructure with CI/CD
  • Experience designing test strategies and test cases from product requirements
  • Testing experience with several of the following: Wi-Fi, LTE, 5G, Bluetooth, GPS/GNSS
  • Experience testing devices with multimedia inputs and outputs, such as audio and cameras
  • Ability to root-cause failures across hardware, firmware, and software, and communicate findings clearly

Skills

Required:PythonTest strategy designHIL test benches

Benefits

  • The job description mentions compensation beyond base but does not list specific benefits. No filler values used.
Last updated Oct 1, 2026. Interested? Apply on the company site.
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building the most advanced personal intelligence in the world.

At Hark, we are building the most advanced personal intelligence in the world.

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