Staff Software Engineer

Posted 3 Days Ago
Be an Early Applicant
San Francisco, CA, USA
Hybrid
260K-300K Annually
Senior level
Artificial Intelligence • Enterprise Web • Healthtech • Software
Building healthcare AI systems organizations stake their reputations on—trust & safety infrastructure for clinical agent
The Role
Design and own platform systems powering AI agents for healthcare. Architect reliable, safe production systems; solve reliability, performance, and data problems end-to-end; set engineering patterns and standards; make platform-level tradeoffs; and mentor senior engineers while shipping ambiguous, high-impact projects.
Summary Generated by Built In
About Amigo

Amigo partners with healthcare organizations to deploy robust AI infrastructure that directly serves patients and providers. Our agents handle clinical workflows and patient engagement across the entire journey: pre-visit intake, care navigation, post-visit care plans, patient monitoring, and more.

We're fresh off our Series A backed by Tier 1 investors like Madrona, General Catalyst, and Optum Ventures. Our work is validated with leading academic medical institutions. Our agents have reached 3M+ patient encounters and are on track to 10x this year.

 

About this role

As a Staff Software Engineer at Amigo, you'll take on the hardest technical problems in the platform behind our AI agents. You'll set the architecture that other engineers build on, own problems that start out ambiguous, and shape how the team builds. The team is small, so the work you do here carries a long way.

We care about depth and judgment more than any particular stack. Whether your background leans full-stack, backend, infrastructure, or data, there is hard work here that needs an owner.

 

What you might work on
  • Designing the systems that keep AI agents reliable and safe in production healthcare

  • Owning a hard, ambiguous problem and carrying it through to a shipped system

  • Setting the patterns and standards the rest of engineering builds within

  • Making platform-level calls about what to build, what to buy, and what to cut

  • Digging into the hardest reliability, performance, or data problems we have

  • Mentoring senior engineers

 

You may be a fit if
  • You've designed and delivered complex systems end to end, and other engineers have built on top of your work

  • You're deep in at least one area (full-stack, backend, infrastructure, or data) and can range across the others

  • You care about whether systems hold up in production

  • You know when to simplify, and you think about direction before speed

  • You're low ego, direct, and hold yourself to a high bar

  • You can work hybrid out of our San Francisco office, or fully remote

 

Nice to have
  • Experience in a regulated or high-reliability domain (healthcare, finance, legal)

  • Experience with production AI or ML systems

  • Background with high-scale data systems or infrastructure

  • Experience mentoring or leading engineers

 

Benefits (available to Full-Time Employees)

Health & Wellness
  • Comprehensive health, dental, and vision insurance

  • Daily catered lunch and dinner

  • Mental health support and wellness coaching

  • Flexible wellness stipend for fitness, therapy, or personal growth

Growth & Development
  • Annual learning budget for courses, books, or conferences

  • Conference attendance budget for professional development

  • Annual team offsite

  • Academic collaboration opportunities

  • Unlimited PTO

Our Core Values
  1. Patients Win, We Win

    If patients aren't getting better care, we haven't earned the right to scale. Every internal decision gets pressure-tested: does this make patients' lives better? If we can't draw the line, we question why we're doing it.

  2. High Standards, High Care

    We hold a high bar for the team because patients are counting on us to get this right. But high standards only work with genuine investment in each other. You can take risks, admit mistakes, and challenge ideas—not despite our standards, but because of them.

  3. Thoughtful Urgency

    We move fast by default, but speed without judgment is recklessness. The discipline is knowing which decisions are reversible vs. not. In healthcare AI, the companies that win will be fast everywhere they can be and careful everywhere they must be. We build the muscle to do both.

  4. Intensely Measured

    We instrument patient outcomes, provider ROI, system performance, and clinical accuracy. But data without action is surveillance. Every metric should have an owner, a threshold, and a response plan. If we're measuring something but never acting on it, we stop measuring it.

Who Builds With Us
  • Low ego: Politics and territory don't interest you. The best ideas win, regardless of who has them.

  • Direct: You say the hard thing, challenge ideas openly, and commit fully once decided.

  • High agency: You thrive on trust rather than instruction. When you see something is broken, you fix it. You don’t file tickets and wait for someone else.

  • Bar of excellence: You hold yourself to a bar most people wouldn't, and you want teammates who do the same.

  • Skeptical: You push back on rules that don’t make sense and question assumptions that haven’t earned their place.

Skills Required

  • Designed and delivered complex systems end-to-end
  • Deep expertise in at least one area: full-stack, backend, infrastructure, or data
  • Experience operating systems in production with focus on reliability, performance, or data
  • Ability to own ambiguous problems and carry them through to shipped systems
  • Ability to work hybrid out of the San Francisco office or fully remote
  • Low ego, direct communication, high agency, and high personal quality standards
  • Experience in a regulated or high-reliability domain (healthcare, finance, legal)
  • Experience with production AI or ML systems
  • Background with high-scale data systems or infrastructure
  • Experience mentoring or leading engineers
Am I A Good Fit?
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The Company
HQ: New York, New York
30 Employees
Year Founded: 2024

What We Do

Amigo AI builds trust and safety infrastructure for clinical agents—ensuring AI systems in healthcare provide quantified confidence when mistakes aren't an option. Our platform combines advanced simulation, verification, and recursive optimization to enable healthcare organizations to deploy AI with statistical guarantees about its behavior. We solve the fundamental challenge of reliable AI in critical domains through deterministic verification for clinical protocols and continuous drift detection for real-world performance. Our systems provide complete transparency—every AI decision is traceable and auditable, with quantified confidence intervals rather than black box predictions. Founded by technologists from Google, Meta AI, Databricks, Coda, and Plaid, we've built systems that let organizations make informed risk decisions about AI deployment in healthcare. Our interdisciplinary approach draws from computer science, economics, physics, and mathematics to tackle human-centric optimization problems where people and populations are at the center of every solution. We're actively working with healthcare organizations across digital health, cancer care, cardiac care, and personalized medicine to deploy AI systems that continuously learn and adapt from real-world feedback while maintaining verified safety boundaries. Our technology amplifies human expertise rather than replacing it, empowering domain experts to achieve outcomes neither could accomplish alone.

Why Work With Us

We build AI healthcare systems where 99% isn't good enough. Rapid growth—promotions in 3 months. Freedom to work your way: art museums or late nights. Tackle recursive optimization problems that ship to production. Your work directly impacts critical healthcare decisions. Diverse team from Google, Meta AI, Databricks solving problems that matter.

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