Home
Jobs
Sully.ai
Senior Software Engineer (Contract to Hire)

Senior Software Engineer (Contract to Hire)

Remote

United states

Senior

Freelance

11-12-2025

Share this job:

Score my CV

Skills

TypeScript CI/CD Architecture Autonomy Azure react node.js AWS GCP CI/CD Pipelines

Job Specifications

About Us

At Sully.ai, We’re Building the Most Impactful Healthcare Company on Earth

We believe that access to a great doctor is a basic human right. Today, that’s not a reality. Delays, misdiagnoses, administrative chaos, and burnout plague the system.

Our Mission: One Human, One Doctor. We build AI teammates that augment clinicians — scribes, nurses, receptionists, translators — all powered by our own world-class models and deployed in real-world care.

Our Traction

450+ organizations signed 16 months
AI agents cut admin by ~2.8 hours daily and reduce onboarding 85%.
5M+ Clinical Tasks completed to date, serving 36+ specialties.
Raised $25M from YC, Eric Yuan, Amity, Semper Virens
Patented AI architecture (MedCon-1) outperforms GPT-4.5, Gemini, Claude on clinical reasoning tasks

Sully requires A-players capable of 4 months = 1 year output.

This role is structured as a Contract-to-Hire position with a 60-day trial period. Sully.ai maintains an exceptionally high performance bar, and this structure ensures mutual alignment before transitioning to full-time

What You'll Do

Design, implement, and optimize core components across frontend, backend, and model integrations, while driving engineering direction in close collaboration with our co-founders.

What You Must Bring

Senior-level full-stack 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.

First-Month Focus

Audit current cross-agent flows for UI/UX cohesion.
Implement shared components and typed contracts for reliability.
Establish instrumentation for frontend performance and model round-trip tracing.

90 Day OKRs

Deliver end-to-end tested, production-grade agentic workflows with