Latest Fullstack Engineering jobs at Upstart

Senior Software Engineer building highly available backend services and real-time decision engines for Upstart's AI lending marketplace. Partners with ML, Product, and Capital Markets teams to optimize borrower-capital matching, offer construction, and monetization through scalable distributed systems.

Senior full-stack engineer owning frontend and full-stack borrower experiences for Upstart's Unsecured Installments lending product. Lead large React/TypeScript initiatives, set architecture direction, mentor engineers, and partner with product/design/backend teams.

Senior Software Engineer building scalable backend and full-stack systems for Upstart Bank's AI lending platform in a regulated fintech environment. Own medium-to-large projects involving funding, payments, reporting, and partner integrations while ensuring reliability, auditability, and compliance.

Senior full-stack engineer building and scaling Upstart's White Label Platform for lending partners and investors. Design/maintain configuration-driven APIs, services, UIs and self-service tools using Ruby on Rails, React, Kotlin and cloud technologies.

Senior engineer building customer-facing features, eligibility systems, and workflow automation for Upstart’s Auto Secured Personal Loan product. Requires 4+ years experience designing and deploying production software.

As a Senior Software Engineer on the Home Lending Borrower Experience team, you will build and improve borrower-facing systems, own production quality, and lead technical design and implementation for multi-quarter projects.