Applied AI Engineer
Company: Luminai
Location: San Mateo
Posted on: April 1, 2026
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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automate these tasks, leaving them stuck in outdated,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 AI systems, you will play a foundational role in
research, experimentation and rapid improvement of AI systems
towards building a capable, reliable AI automation platform. The
platform is used by organizations worldwide to deploy and scale
executable AI automations in mission critical production
environments. You are expected to have a strong proficiency in
fundamentals of software engineering, a willingness to pick new
concepts as needed and an ability to drive technical projects in
ambitious environments. What You'll Do Design experiments and test
ideas to optimize key internal AI benchmarks Design and improve
evaluation frameworks to accelerate the speed and direction of
experimentation Train, fine-tune, and optimize machine learning
models. Perform rigorous evaluation and testing to ensure model
accuracy, generalization, and performance. Collaborate and
contribute on the core product development to deliver higher
platform capabilities Set up observability and monitoring systems
to safety check model behavior in critical settings What We're
Looking For Proven track record of shipping high-quality code in
challenging projects Bachelor's or Master's degree in Computer
Science, Machine Learning, or a related field Solid fundamentals in
algorithms, data structures, system design Attention to detail and
a first-principles thinking towards real world deployment of
intelligent systems. Experience shipping ML models to production
Bonus Previous experience working with distributed computing
systems in production
Keywords: Luminai, Sunnyvale , Applied AI Engineer, IT / Software / Systems , San Mateo, California
