Senior Software Engineer, Core Systems

ABOUT THE ROLE Join a small engineering team building backend infrastructure for a healthcare technology platform supporting radiology workflows and AI-assisted diagnosis. You will own foundational systems across data ingestion, storage, and distributed model inference. WHAT YOU'LL DO - Design, build, and operate backend infrastructure for data ingestion, warehousing, and distributed model inference on AWS. - Own reliability, observability, debugging, and capacity planning across the stack. - Build CI/CD and deployment automation to help the team ship safely and efficiently. - Design systems that handle protected health information with encryption, access controls, and audit logging. - Work with the machine learning team on infrastructure and model inference pipelines as priorities require. WHAT WE'RE LOOKING FOR - At least 5 years of experience in backend engineering, data infrastructure, or distributed systems. - Production experience building and operating large-scale distributed systems on AWS or a comparable cloud platform. - Proficiency in Python, Go, or Java, with strong hands-on backend engineering skills. - Experience with data pipelines, ETL, warehouses or data lakes, schema evolution, and deployment automation. - Track record leading multi-quarter technical initiatives across systems or teams, along with experience on a small, fast-moving team. - Ability to troubleshoot complex distributed systems and weigh performance, cost, security, and maintainability tradeoffs. - Exposure to machine learning infrastructure or model inference pipelines, HIPAA-compliant system design, and TypeScript or React is valuable. - A STEM degree or strong computer science fundamentals. COMPENSATION & BENEFITS Base salary: $215,000 to $275,000 annually. Visa sponsorship is available. LOCATION On-site in San Francisco, California, United States.