Startups · AI

Staff Software Engineer - Backend

Leona · San Francisco · Remote

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About Leona

Todos tus chats con pacientes de WhatsApp ahora en una sola app para que nunca pierdas un mensaje importante. Backed by a16z, Accel and General Catalyst.

About the role

Take full ownership of projects that are both technically complex and business-critical Collaborate closely with design, operations, data science, and medical professionals to deliver impactful product experiences

What they're looking for

  • 6+ years of relevant experience, with a strong track record of building and scaling complex software systems (startup experience is a plus!)
  • Deep expertise in backend development using modern technologies (we use Python on the backend, clients are built in Flutter), and familiarity with managing production-scale infrastructure within AWS
  • Comfortable working across the stack and owning projects end-to-end — from idea to launch to scale
  • Strong understanding of modern AI technologies — you stay current with the tooling landscape and confidently apply AI/ML to real-world problems
  • Excellent communication and collaboration skills
  • A builder’s mindset and love for creating things that make a difference
More about this role

Leona is on a mission to empower everyone to take the best care of themselves, their patients, and their loved ones. We have an ambitious goal: to transform the way the world interacts with healthcare, because where you live shouldn't determine the quality of care you receive.

For patients, managing your health should feel empowering, not intimidating. For doctors, we want to eliminate the administrative noise so you can focus on what matters most: delivering exceptional care. We're reimagining what it looks like for doctors to care for patients in an AI-first world — starting with a platform that streamlines doctor-patient communication via WhatsApp, acting as an AI clinical assistant that automates non-urgent tasks, surfaces what's urgent, and gives patients the convenience of reaching their care team 24/7.

With bases in San Francisco and Mexico City, our team brings together years of experience scaling companies like Uber, Rappi, Modern Fertility, and Wonder across the US and Latin America. We're backed by a16z, General Catalyst, and Accel, and a remarkable group of angels including the founders of Nubank, Rappi, and Maven Clinic.

If you're hungry to build 0-to-1, and roll up...

Read the full posting on Leona's site ↗

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