Infinitus Systems, Inc.

Title: Medical Informaticist

Location: San Francisco, CA

401k matching: 401(k)

Summary

The Medical Informaticist role leverages medical and technical expertise to develop and tune AI-driven healthcare platforms that improve patient care coordination and safety. Responsibilities include working closely with product and engineering teams to optimize machine learning models and ensure clinical efficacy in patient-facing AI interactions. Candidates must have an MD or DO, clinical experience, and skills in data science or software development.

Added on: 08/03/2025

Full Job Description

Help Build the Future of Healthcare AI

Hi! We’re Infinitus — the first trusted voice AI platform transforming healthcare.

Built by ex-Googlers, startup veterans, and industry pros, our AI boosts productivity, slashes admin burden, and creates new ways to support patients with chronic conditions. We scale connections between patients, payors, and providers — empowering care teams and improving health outcomes.

The Mission

At Infinitus, our mission is simple: create time for healthcare by making access, adherence, and affordability easier than ever. Using multimodal AI, human-in-the-loop systems, and a rich knowledge graph, we’ve automated over 5 million calls—saving millions of hours for patients and providers.

Backed by top investors like Kleiner Perkins, Google Ventures, and a16z, we’re a team that loves to challenge the status quo and move fast at the intersection of AI and healthcare.

Your Role

As a Medical Informaticist, you will leverage your unique skillsets in medicine and technology to build core components of the Infinitus platform. You will work hands-on with the product and engineering teams to interpret data and tune machine learning models, in order to better connect patients and their care teams throughout their healthcare journey.

Your Impact

Your medical knowledge, patient advocacy, and technical contributions will be foundational as we deploy Infinitus AI agents in patient-facing conversations. Your role is essential for patient safety and clinical efficacy.

Your Skillset

Physician/developer or physician/data scientist with an MD or DO degree Academic background in a software-oriented technical field (clinical informatics fellowship, undergraduate major in computer science, or equivalent) Data science or software development skillset including Python and SQL Bedside clinical experience, at minimum 1 year of post-graduate medical education 2-3 years of non-clinical corporate work experience Strong written and verbal communication skills Team player who will thrive in a dynamic start-up environment

Additional Nice-to-have skills:

Active medical license and board certification Experience with machine learning model development

Why You’ll Love It Here

Hybrid work (SF office Mon/Tues/Thurs) + catered lunches Competitive salary, equity, and 401(k) Wellness stipend & great benefits (medical, dental, vision) Generous PTO & parental leave Bi-annual offsites & a collaborative, mission-driven culture

What To Expect In The Interview Process

Apply & meet our recruiting team Virtual Interviews to showcase your skills Final onsite loop to meet the team and get to know us better

Curious to Learn More?

Read our Blog to hear from Infinauts about what we’re building Discover how our company values (CODES) guide us Follow our CEO, Ankit Jain, for industry updates

We’re building AI agents that tackle healthcare’s toughest problems and open new possibilities. Ready to join us? Let’s talk!

Infinitus Systems is committed to providing an environment of mutual respect where equal employment opportunities are available to all applicants and teammates without regard to race, color, religion, sex, pregnancy (including childbirth, lactation and related medical conditions), national origin, age, physical and mental disability, marital status, sexual orientation, gender identity, gender expression, genetic information (including characteristics and testing), military and veteran status, and any other characteristic protected by applicable law. Infinitus Systems believes that diversity and inclusion among our teammates is critical to our success as a global company, and we seek to recruit, develop and retain the most talented people from a diverse candidate pool.