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Senior LLM Performance Engineer - TPU Optimizations

FitbitSunnyvale, CAMay 5th, 2026
Fitbit is seeking a Senior Software Engineer to focus on performance optimizations for large language models (LLMs) in Sunnyvale, CA. Candidates should have at least a Bachelor's degree, 5 years of programming experience in Python or C++, and expertise in ML infrastructure and LLM concepts. The position offers a competitive base salary range of $174,000-$252,000, plus bonus and equity. Benefits include comprehensive insurance, 401(k) matching, and generous paid time off. J-18808-Ljbffr