Staff Software Engineer, Voice AI
Sully.aiAbout Us
👏 Team from OpenAI, DeepMind, NASA, GoogleX, Tesla, and 2 physicians: 6 exits, 2 IPOs.
🔥 Our model outperforms Claude, Gemini, and GPT-4.5 on clinical benchmarks.
📈 400+ healthcare orgs signed in 16 months.
⚡️ $25M raised from YC, Amity Ventures, Sequoia scouts, and more.
🌎 $1T+ market opportunity. We’re going after all of it.
About the Role
We are seeking a Staff Software Engineer to lead the technical vision for Sully.ai’s Receptionist Agent. You will architect systems that improve auto-scheduling reliability, elevate conversational flow, and guarantee seamless EHR and SMS integration at scale. This is a hands-on technical leadership role: setting standards, reviewing designs, and guiding a team of engineers to deliver features that directly impact patient experience and physician efficiency.
Key Responsibilities
Define technical architecture for scheduling, conversational AI, and EHR/SMS integrations.
Establish engineering standards for reliability, latency, and scalability in mission-critical workflows.
Mentor and guide engineers, conducting reviews and fostering technical excellence.
Drive innovation in conversational design to reduce patient friction and increase trust.
Collaborate with product leadership to align technical decisions with business impact.
Hard Requirements
8+ years of software engineering experience, with 3+ in a staff/principal-level role.
Expertise in distributed systems, large-scale API integrations, and system reliability.
Strong track record of architectural leadership and cross-functional influence.
Deep coding experience in at least one modern backend language (Python, Go, Node.js, Java).
Nice-to-Have
Prior work in healthcare, EHR integrations, or compliance-heavy systems.
Experience with conversational AI frameworks or LLM-powered applications.
Background in workflow orchestration or scheduling systems.
First-Month Focus
Audit existing Receptionist Agent technical stack for reliability bottlenecks.
Define technical roadmap for scheduling and integration improvements.
Partner with Senior Engineers to implement first reliability upgrades.
Success OKRs (90 Days)
Deliver architecture plan that supports 10x increase in scheduling throughput.
Establish automated reliability monitoring across SMS and EHR sync pipelines.
Reduce engineering incidents related to scheduling/EHR by >15.
Culture Fit
Persistent, driven problem solver
Willing to push back on leadership to defend quality/timelines
Thrives in high-ambiguity, fast-paced startup environments
Why Join Sully.ai?
🔥 Shape the Future of Healthcare: Build category-defining partnerships that enable doctors to focus on saving lives.
📈 Early-Stage Impact: Join early and play a critical role in shaping our partnership roadmap and overall company growth.
🌎 Remote-First Culture: Work with a talented, mission-driven team in a flexible, remote environment.
💰 Competitive Compensation: Enjoy a competitive salary, equity, and the opportunity to make a real difference.
🏆 Solve Scalability Challenges: Tackle complex challenges in a rapidly growing company, driving impactful change in healthcare.
Sully.ai is an equal opportunity employer. In addition to EEO being the law, it is a policy that is fully consistent with our principles. All qualified applicants will receive consideration for employment without regard to status as a protected veteran or a qualified individual with a disability, or other protected status such as race, religion, color, national origin, sex, sexual orientation, gender identity, genetic information, pregnancy or age. Sully.ai prohibits any form of workplace harassment.