Staff/Senior Platform Engineer
Department: Engineering
Location: San Francisco
Compensation: $150K – $250K • Offers Equity
Employment Type: FullTime
The AI Operating System for Healthcare
Healthcare runs on legacy software that was last updated a decade ago. Systems don’t talk to each other. Interfaces lag. “Automation” means someone copy-pasting data between tabs.
At Arini, we’re leap-frogging the SaaS era. No more EHRs, no more outdated dashboards, just agents and a database. We’re building the AI operating system for healthcare systems, starting with dental enterprises. Our platform automates phones, scheduling, insurance verification, and workflows across the stack.
We partner with the largest healthcare enterprises, understand their bottlenecks, and build well architected system to optimize their operations.
The Team
We’re a small, elite team of builders and operators who move fast and own outcomes. Our team comes from Meta, SpaceX, Tesla, MIT, Berkeley, Harvard, and other YC startups and were previously founders who’ve built and exited healthtech companies.
We’re obsessed with reliability, real impact, and replacing slow legacy systems with software that just works.
The Role
You’ll build the infrastructure that lets millions of autonomous agents run reliably and serve the healthcare industry at scale.
This is the backbone of Arini: scalable event pipelines, multi-tenant voice infrastructure, high-availability APIs, and the agent runtime layer. You’ll own systems end-to-end: architect, build, ship, measure ROI.
What you’ll do
Design and scale the backend systems powering millions of patient interactions.
Build the event-driven architecture for voice, scheduling, and data ingestion.
Optimize performance, cost, and observability across services.
Own reliability, latency, and uptime across the stack.
Preferred Qualifications
Senior/Staff level experience building and scaling infrastructure
Passionate about building infra that’s simple, predictable, and elegant.
Experience with data warehousing and pipelines
Benefits
Competitive salary with meaningful equity
Free health, dental, and vision insurance
Free in-office lunch and dinners
Unlimited PTO
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