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Senior Software Engineer, Platform

Lunar· Engineering
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San Francisco$170k - $210kFull-timePosted 3mo ago

About the role

Senior Software Engineer responsible for building Lunar’s next-generation cloud-native platform for healthcare, using Elixir and a modern stack to rearchitect hospital information systems and enable scalable, real-time clinical workflows.

Responsibilities

  • Modern cloud architecture, built from scratch: design a modern cloud-native platform with Elixir at its core.
  • Develop a radically better access control system for clinical data: create a modern access control system with fine-grained permissions.
  • Keep hospitals online 24/7: design and ship infrastructure that supports rolling deployments, failover, and real-time data sync in high-availability environments.
  • Bridge the gap between software and hardware: architect an integration engine to connect ventilators, bedside monitors, imaging equipment, lab equipment, and more in real time.
  • Push hospital workflows into the modern age: improve data movement between nurses, doctors, and administrators to create fast, intuitive workflows.

Qualifications

  • Minimum of 6 years of professional software engineering experience.
  • Proficiency with object oriented and functional programming; experience with Phoenix, Elixir, Python, Erlang, Javascript, and more.
  • Strong ability to work in a fast-paced, collaborative, and innovative team environment.
  • Exceptional problem-solving skills with a track record of tackling challenging engineering problems.
  • Intellectually curious with a growth mindset; able to tackle novel challenges through fundamentals and first principles thinking.
  • Familiarity with open-source technology and willingness to explore new solutions.
  • Experience building 0-1 with strong product sense.
  • Excellent communication skills to articulate technical decisions, trade-offs, and best practices.
  • Passion for making a meaningful impact in healthcare through software innovation (a plus).

Skills

Required:ElixirPhoenixPython
Nice to have:ErlangJavascript

Benefits

  • Equity (offers)
  • Competitive compensation: $170K – $210K with equity
  • On-site location in San Francisco
  • Full-time employment
Last updated Oct 1, 2026. Interested? Apply on the company site.

About Lunar

The most sophisticated software system ever built for hospitals

Lunar is a stealth technology company building a new type of software system for hospitals.

healthcare technologyhospital softwaredataautomationmachine learning
Company profileWebsite

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