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Toast

We empower the restaurant community to delight guests, do what they love, and thrive.

Principal Machine Learning Engineer

Machine Learning EngineerMachine Learning EngineerFull TimeRemoteLeadTeam 1,001-5,000Since 2013H1B SponsorCompany SiteLinkedIn

Location

California

Posted

94 days ago

Salary

$180K - $368K / year

Seniority

Lead

Bachelor Degree1 yr expExperience acceptedEnglishJavaPythonGo

Job Description

Principal Machine Learning Engineer

Toast

• Spend the majority of your time "hands-on-keyboard," architecting and coding high-performance backend services and ML pipelines • Build and prototype new internal products from scratch that leverage LLMs and Agentic AI • Design and implement ML models that provide real-time recommendations • Develop the backend between custom quoting engine, Salesforce, and internal data lakes • Act as a domain expert to solve complex synchronization and architectural challenges • Drive engineering excellence through code reviews and automated testing • Deliver significant core capabilities that have broad impact • Anticipate shifts in product needs and build flexible backend systems • Ensure the reliability of GTM tools

Job Requirements

  • Extensive experience in backend languages (Java, Go, Python)
  • Practical, hands-on experience deploying Machine Learning models and building with LLMs
  • Experience building or deeply integrating with complex enterprise software
  • Ability to design event-driven architectures and manage data flow
  • Bachelor’s or Master’s degree in Computer Science, or a related technical field

Benefits

  • Health insurance
  • 401(k) matching
  • Flexible work hours
  • Paid time off
  • Remote work options

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