Upstart

Lead backend and full-stack engineering for Upstart’s unsecured installment lending experience, building reliable systems that power borrower offers, pricing, underwriting, funding, and customer-facing workflows. You’ll shape architecture, deliver major initiatives, and mentor engineers while working primarily with React and TypeScript alongside backend technologies.

Build the next-generation machine learning and simulation platform powering Upstart’s underwriting, fraud, conversion, and verification models. This senior role focuses on MLOps, model serving, feature infrastructure, self-service deployment tooling, and scalable simulation systems.

Upstart is hiring a Senior Software Engineer to build secure, reliable backend systems for login, account management, authentication, and authorization. The role owns projects end to end and balances strong security with a low-friction customer experience.

Senior Software Engineer on Upstart’s Core Pricing team, building scalable real-time systems that power pricing and lending decisions across the company’s products. The role combines backend systems ownership, cross-functional partnership, and improvements to reliability, architecture, and operational excellence.

Build borrower-facing frontend and full-stack experiences for Upstart’s unsecured lending products using React and TypeScript. You’ll lead large initiatives, shape frontend architecture, and mentor engineers while improving access to credit.

Lead the development of scalable machine learning platform infrastructure that accelerates model development, experimentation, deployment, and monitoring. This high-influence role combines applied ML expertise with platform engineering to improve predictive accuracy across Upstart’s lending products.

Own the technical onboarding and production launch of banking and lending partners through API, middleware, and core banking integrations. This remote, six-month contract-to-hire role combines customer-facing implementation, data mapping, workflow testing, and production troubleshooting.

Senior Infrastructure Engineer responsible for operating and evolving Upstart’s Databricks Lakehouse platform across regulated environments. The role combines infrastructure automation, security and compliance, reliability, and cloud cost optimization for teams building machine-learning and business data products.