Backbone Systems
Founding Engineer, Applied Research
San Francisco · On-site · Full-time · Posted Jun 3, 2026
- Experience
- New grad through approximately 5–6 years of experience.
About the job
Develop and productionize applied AI research that helps automate clinical and healthcare payment workflows.
What you'll do
- Build evaluations for clinical reasoning, claims review, authorization logic, denial analysis, appeal generation, and payer policy interpretation.
- Improve model behavior through prompting, fine-tuning, retrieval, structured reasoning, verification, and evaluation.
- Develop browser- and computer-use capabilities and partner with engineers to productionize research improvements.
What they ask for
- Experience in ML research, language models, NLP, evaluations, reinforcement learning, agentic systems, or model improvement.
- Evidence of technical depth through papers, projects, internships, open-source work, competitions, or production ML systems.
- Interest in applied research systems that affect real workflows, financial outcomes, and patient care.
Nice to have
- Infrastructure or systems experience.
- Healthcare experience.
AI focus
Applied research on clinical intelligence, including model improvement, evaluation, and agentic browser/computer use for healthcare workflows.
Model-written summary · the original posting is authoritative