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Staff Software Engineer, Platform

Luminai


Job Location:

San Mateo, CA - USA

Yearly Salary: USD 220000 - 250000
Posted: 26 August 2026 (Yesterday)
Application Deadline: 23 November 2026
Vacancies: 1 Vacancy

Department:

Engineering

Job Summary

About Luminai

Healthcare operations have always depended on people to bridge the gaps that technology couldnt. It relies on complex manual work to carry out critical internal processes yet most health systems dont have enough resources to properly automate these tasks leaving them stuck in outdated labor-intensive SOPs.

Luminai structures the chaos automates the manual handoffs and deploys end-to-end workflows across every system providing the integrated intelligence layer to improve processes over time. By delegating to autonomous AI systems those mission-critical workflows that previously expended valuable human time Luminai allows doctors and administrators to do what they do best: Focus on Patients.

Weve raised $60M in funding including our recent Series B led by Peak XV Partners (formerly Sequoia India) with participation from healthcare-focused Define Ventures and continued support from General Catalyst and Y Combinator. Were backed by some of the best investors in Silicon Valley including Kevin Weil (Chief Product Officer at OpenAI) Arash Ferdowsi (co-founder of Dropbox) Katie Stanton (former VP Global Media Twitter) and CEOs of companies such as Flexport Notion Front Ramp and Twitch.

Our team is in-office 4 days a week (Monday - Friday Wednesday optional WFH) in either San Fransisco California or New York New York.

About the role

As a Staff Software Engineer working on Platform you will play a foundational role in designing implementing and spearheading the core platform development. The platform is used by organizations worldwide to deploy and scale executable AI automations in mission critical production environments. As a senior member of the engineering team you are expected to have a strong proficiency in fundamentals of software engineering and exceptional ability to drive technical projects in ambitious technical environments. You will help define architect and improve key system foundations that allows the overall engineering team to execute effectively and deliver a stellar platform experience for users within a high growth team.

What Youll Do

  • Design and maintain the core frameworks libraries and shared packages that product engineers build on every day

  • Own developer experience end to end including local dev environments build systems CI/CD test infrastructure and time-to-first-commit for new hires

  • Build and maintain the tooling that keeps quality high without slowing anyone down: linters formatters static analysis codegen and automated checks

  • Find and remove the bottlenecks in how we ship then re-architect foundational abstractions to hold up as the team and the product scale

  • Lead core technical initiatives that set the quality bar in the codebase

  • Define and scale experimentation monitoring reliability and observability for production systems

  • Drive improvements to the core Luminai IDE to deliver a great experience for end users

  • Set sane defaults for how the platform handles access control secrets management and authentication so the systems others build on are safe without extra effort

What Were Looking For

  • 8 years as a software engineer including zero to one projects you drove from scratch

  • Track record of shipping high-quality code on hard problems

  • Experience building internal frameworks libraries or developer tooling that other engineers depended on and a real interest in making them better

  • Direct experience designing high performance backend systems in production with judgment about the architectural trade-offs involved

  • Working familiarity with a modern infrastructure stack (Kafka Kubernetes or similar)

  • Solid grasp of security fundamentals for backend and cloud systems (authN/authZ secrets management encryption)

Bonus

  • Familiarity with frontend foundations (JS toolchain bundlers build systems). Not required but useful for platform work that reaches into the client


Required Experience:

Staff IC


About Company

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Luminai’s proprietary AI systems eliminate the manual, repetitive work from your business processes.

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