Senior Software Engineer, Platform

Company: Luminai
Location: San Mateo
Posted on: April 1, 2026

Job Description:

About Luminai Healthcare operations have always depended on people to bridge the gaps that technology couldn't. It relies on complex manual work to carry out critical internal processes, yet most health systems don’t have enough resources to properly automate these tasks, leaving them stuck in outdated, labor-intensive SOPs.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. We’ve raised significant amounts of capital from the best Silicon Valley VCs: General Catalyst, Peak XV (fka Sequoia India), YCombinator, as well as from investors 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. About the Role As a Software Engineer working on Product, you will design, build, improve user facing applications and systems that deliver an exceptional experience. What You'll Do Lead large application development projects, including planning, designing and implementing across the stack. Collaborate and contribute on the core product direction that leverages system improvements and deliver ever higher customer value Maintain and enhance overall Luminai tooling, working on both frontend and backend components Champion best practices in software development, including code reviews, testing, and maintainability, to ensure high-quality and resilient software. Contribute to the design and implementation of robust API, authentication, and middleware solutions, enhancing the scalability and security of our platform. What We're Looking For Proven track record of shipping high-quality code in challenging projects Significant experience working with JavaScript/TypeScript, React and Python You sweat the important details and are passionate about maintainable, scalable frontend concepts Experience across the entire stack, from backend to frontend (and if you have a preference, we’d love to consider it!)

Keywords: Luminai, Salinas , Senior Software Engineer, Platform, IT / Software / Systems , San Mateo, California