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OfOne (YC W23) Logo

Founding Engineer

OfOne (YC W23)

Salary not specified
Sep 7, 2025
San Francisco, CA, US
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OfOne is reshaping the drive-thru experience with voice AI, helping restaurant chains operate more efficiently and improve customer experience by automating tens-of-thousands of orders a week. They are looking for a founding software engineer to drive growth and deliver software that impacts millions of people and billions of dollars in economic impact.

Requirements

  • 4+ years of hands-on experience in developing, implementing, and maintaining backend infrastructure in production environments
  • Proven track record of building and deploying scalable, high-performance backend systems
  • Experience with cloud-based infrastructure and deployment technologies, such as AWS and API design
  • Experience working with audio
  • Experience taking a backend system from zero to one
  • Experience building and maintaining a system that integrates with many 3rd party APIs, particularly Point of Sale systems
  • Experience with Python, Kotlin, or Java

Responsibilities

  • Design, develop, and maintain scalable, high-performance backend systems for our automated order-taking platform
  • Collaborate closely with our team to ensure the seamless integration of our backend with our ML models and client devices
  • Monitor and optimize the performance of our backend systems in production environments
  • Build and maintain integrations with 3rd party restaurant software systems like POS, loyalty, payment gateways, and customer data platforms
  • Implement best practices in system design, code quality, and testing to ensure a reliable, secure, and maintainable system
  • Optimize AI pipeline to improve performance in challenging audio environments, robustly handle ambiguous customer requests, and rapidly scale to new menus
  • Push the very boundaries of LLMs and voice AI technology to solve one of the technology industry’s historically elusive challenges

Other

  • Excellent problem-solving skills and the ability to adapt to a rapidly evolving startup environment
  • Strong communication skills and the ability to work collaboratively with a team
  • Willingness to problem solve across our entire product
  • Ability to proactively recognize problems and identify solutions to those problems
  • Results oriented and care about the impact of your work