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Principal/Architect Software Engineer

Tonal

San Francisco, CA · Remote · Lead / Staff / Principal

$275,000 – $320,000

Listed on Tonal’s own careers site. You apply with them directly — we never stand between you and the employer.

What this role is

Lead technical architecture and delivery across device, app, and cloud systems at scale, setting direction for multiple teams and shipping initiatives that improve reliability and developer velocity. This role suits experienced staff or principal engineers who thrive designing across system boundaries, mentoring other senior engineers, and staying hands-on with production code.

Our summary, not Tonal’s wording. The full posting is on their site.

Skills this role names

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What they ask for

Required

  • Led architecture and delivery across multiple teams at Senior Staff or Principal scope
  • Deep backend and distributed systems expertise
  • Deep cloud expertise
  • Production software ownership with hard integrations or migrations
  • Cross-boundary reasoning across device, mobile, data, and services
  • Turn ambiguity into focused plans
  • Mentored senior engineers into technical leaders

Nice to have

  • Connected devices or consumer subscriptions experience
  • Fitness or digital health domain experience
  • Healthcare integrations and sensitive-data systems experience
  • AI in production products or engineering workflows
  • Experience with measurable quality, delivery, or cost gains from AI

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