Senior Software Engineer, Research (Contract to Hire)
Sully.aiUnited States • San Francisco, California, United States
Posted December 4, 2025
Full Time
About the Company
Sully.ai is a healthcare company building AI teammates to augment clinicians and improve patient care.
Job Description
We are seeking a Senior Software Engineer to build and optimize core research infrastructure, design and implement agentic systems, and own reliability, observability, and performance across agents. This role is structured as a Contract-to-Hire position with a 60-day trial period.
Requirements
- Senior-level full-stack engineering experience in React, TypeScript, and Node.js
- Proven ability to design, ship, and scale LLM-powered applications
- Expertise in API design, streaming, and CI/CD pipelines
- Strong cloud infrastructure background (AWS, GCP, or Azure)
- Track record of building reliable systems with measurable performance and error budgets
Benefits
- Competitive salary
- Opportunity to work on real-world problems in healthcare
- Chance to be part of a fast-growing company with a strong mission
- Flexible work environment with remote work options