Full-Time

Full Stack Engineer

Posted on 10/31/2025

Infinitus

Infinitus

201-500 employees

AI-powered automation of healthcare admin calls

No salary listed

San Francisco, CA, USA

Hybrid

Hybrid role; requires on-site in SF Mon, Tue, Thu.

Category
Software Engineering (1)
Required Skills
React.js
BigQuery
Postgres
GraphQL
TypeScript
Go
Google Cloud Platform
Requirements
  • Has 7-10+ years of overall experience as Full Stack engineer
  • Has 2+ years of ReactJS, and 5+ years of JavaScript experience
  • Has familiarity with backend stack which includes Golang, Firestore, PostgreSQL, BigQuery, Pub/Sub, and other GCP services, with consideration for candidates who have experience with similar or equivalent technologies
  • Has a bachelor\'s degree in Computer Science, Engineering or related field, or equivalent training, fellowship, or work experience
Responsibilities
  • Develop real-time, dynamic web front-ends for our conversational AI applications, employing the latest in ReactJS, TypeScript, Material UI, GraphQL, and WebSockets
  • Lead UX/UI design initiatives, from conceptual workflows to high-fidelity product designs, ensuring our solutions are aligned with user needs
  • Analyze user behavior to optimize UX flows (we’re very focused on user efficiency with our frontend)
  • Collaborate on backend development, enhancing APIs and database schemas in partnership with backend engineers to build sophisticated business logic
  • Serve as a mentor to junior engineers, guiding their development and fostering a culture of technical excellence and collaborative growth
Desired Qualifications
  • Knowledge of Google Cloud platform
  • Experience at an early-stage startup
  • Experience testing web applications with frameworks such as Cypress
  • Has 1+ years of GraphQL Experience

Infinitus.ai builds an AI-powered digital assistant, Eva, to automate administrative B2B conversations in healthcare. It handles tasks like benefit verification, prior authorization, and prescription savings calls by making automated calls to commercial and government payors and PBMs on behalf of healthcare providers. The AI platform continuously learns from each call and stays up to date with payor guidelines for over 1000 therapies and procedures across 30 disease states to maintain accuracy. Compared with human operators, Eva completes tasks around 30% faster and with about 10% higher quality, saving time and boosting provider productivity. The company sells its AI platform as a service to healthcare providers, including payors, PBMs, and pharmacies, with the goal of increasing efficiency and improving patient outcomes in the US healthcare system.

Company Size

201-500

Company Stage

Series B

Total Funding

$51.4M

Headquarters

San Francisco, California

Founded

2019

Simplify Jobs

Simplify's Take

What believers are saying

  • Agentic AI suite outperforms humans by 18% in health plan member services calls.
  • Cisco Outshift partnership orchestrates secure distributed AI agents for healthcare workflows.
  • Salesforce integration automates complex administrative tasks for joint customers since June 2025.

What critics are saying

  • CMS mandates human review for AI prior authorizations within 12-24 months, eliminating cost edge.
  • UnitedHealth and Cigna deprecate APIs by 2028, blocking Infinitus payor integrations.
  • Epic bundles competing voice AI into EHRs by 2027, undercutting Infinitus pricing.

What makes Infinitus unique

  • Lens evaluates 100% of AI and human healthcare interactions with uniform scoring criteria.
  • Studio offers healthcare-specific no-code AI agent builder achieving 40% greater accuracy.
  • Hallucination-free voice AI uses dynamic knowledge graphs built on 100 million conversation minutes.

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Benefits

Health Insurance

Dental Insurance

Vision Insurance

401(k) Retirement Plan

401(k) Company Match

Hybrid Work Options

Unlimited Paid Time Off

Wellness Program

Growth & Insights and Company News

Headcount

6 month growth

1%

1 year growth

3%

2 year growth

1%
Yahoo Finance
Feb 3rd, 2026
Infinitus launches agentic AI suite for health plan member services, outperforms humans by 18%

Infinitus Systems has launched its Agentic AI Member Services Suite for health plans, designed to handle inbound and outbound member calls whilst reducing costs and improving engagement. The San Francisco-based company, which powers over 100 million minutes of healthcare conversations, reports its voice AI agents recently outperformed human benchmarks by more than 18%. The suite automates member interactions from onboarding to care navigation, with over 90% of members rating calls positively. Built for regulated health plan environments, it operates within strict compliance guardrails whilst protecting patient health information. The system targets high-need populations, addressing the challenge that 20% of Medicare Advantage beneficiaries with chronic conditions drive 80% of total costs. The technology enables personalised support for members navigating care journeys, from understanding coverage to scheduling appointments.

The Fast Mode
Oct 13th, 2025
Infinitus, Cisco Collaboration Aims to Streamline Healthcare Workflows with AI Agents

Infinitus Systems, healthcare's leading agentic communications partner powering more than 100 million minutes of clinical and administrative conversations, announced that the company has partnered with Outshift by Cisco to streamline healthcare operations, leveraging the orchestration layer of discoverable, secure, and distributed AI agents in healthcare.

PR Newswire
Oct 10th, 2025
Infinitus Partners with Outshift by Cisco to Advance Interoperability and Trust Among AI Agents

Infinitus partners with Outshift by Cisco to advance Interoperability and trust among AI agents.

Precedence Research
Sep 26th, 2025
Infinitus Launches MCP Server to Standardize AI Interoperability in Healthcare

Infinitus launches MCP server to standardize AI interoperability in healthcare.

PR Newswire
Sep 25th, 2025
Infinitus Launches Model Context Protocol (MCP) Server to Bring Standardized AI Interoperability to Healthcare

Infinitus launches Model Context Protocol (MCP) server to bring standardized AI interoperability to healthcare.

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