Lead Software Engineer, Platform

ABOUT THE ROLE Join a small, high-impact platform team at an AI company building document processing systems. You will strengthen the platform that runs customer workloads, improving reliability, performance, and cost efficiency while partnering closely with machine learning engineers. WHAT YOU'LL DO - Own and improve the platform that runs document processing jobs, with a focus on speed, reliability, and cost efficiency. - Partner with machine learning teams to serve in-house models efficiently and integrate them into production pipelines. - Build and maintain infrastructure for databases, task orchestration, workload scheduling, and cloud deployments. - Address distributed systems challenges involving latency, reliability, and scaling as workload volume grows. - Participate in on-call rotations and take end-to-end ownership of platform health. WHAT WE'RE LOOKING FOR - At least 5 years of platform or backend engineering experience working with distributed systems. - Experience building and scaling core infrastructure, task orchestration, and reliable production platforms. - Strong application-level engineering skills in addition to infrastructure experience. - Proficiency in Python, or deep Go or Rust expertise and willingness to work with Python. - Experience with on-call support, cloud infrastructure, and optimizing model serving. - Startup experience or comparable experience demonstrating ownership and growth in a high-scale engineering environment. COMPENSATION & BENEFITS Base salary: $220,000 to $320,000 annually. Visa sponsorship is available. LOCATION On-site in San Francisco, California, United States.