About Upstart Upstart is the leading AI lending marketplace partnering with banks and credit unions to expand access to affordable credit. By leveraging Upstart's AI marketplace, Upstart-powered banks and credit unions can have higher approval rates and lower loss rates across races, ages, and genders, while simultaneously delivering the exceptional digital-first lending experience their customers demand. More than 80% of borrowers are approved instantly, with zero documentation to upload. Upstart is a digital-first company, which means that most Upstarters live and work anywhere in the United States. However, we also have offices in San Mateo, California; Columbus, Ohio; Austin, Texas; and New York City, NY (opening Summer 2026). Most Upstarters join us because they connect with our mission of enabling access to effortless credit based on true risk. If you are energized by the impact you can make at Upstart, we’d love to hear from you! The Team Partner Experience sits within Capital Platform and scales relationships with lenders and investors through customer experience solutions. This team helps partners access the insights, tools, and controls they need to deploy capital confidently and grow with Upstart. Our platform priorities center on speed, trust, and control for partners, delivered through reliable data, intuitive workflows, and secure access across products. The Role We’re hiring a Senior Software Engineer to build partner‑facing systems that improve transparency, reliability, and self‑service across our capital ecosystem. You’ll contribute to services and UIs that power reporting, onboarding, and ongoing operations for lending partners and investors, collaborating closely with Product, Design, Analytics, and other engineering teams. This is an impact‑driven role where your work will directly strengthen partner confidence, reduce operational friction, and accelerate capital deployment.