Principal Software Engineer, Machine Learning Simulations

📋 Description

• • As a Principal Software Engineer, Machine Learning Simulations at Upstart, you will build and operate the core infrastructure that powers ML model training, inference, and marketplace simulation—foundational to the company’s success in delivering AI-driven credit decisions.
• • You will design, build, maintain, and optimize Upstart’s next-generation ML and simulation platform to enable increased scale, performance, and confidence in decisioning, including reducing inference latency to just a few seconds for complex models and improving simulation accuracy to reflect production environments.
• • You will collaborate closely with ML, Engineering, Product, Finance, and Data Engineering teams to accelerate innovation while safeguarding system performance and integrity, mentoring engineers and translating complex requirements across technical and non-technical stakeholders.
• • You will have the opportunity to shape the evolution of Upstart’s AI engine, contribute to high-impact systems that power over one million predictions per borrower, and grow your expertise in distributed systems, MLOps, and scalable architecture while working in a digital-first, flexible environment with quarterly onsites for connection and collaboration.