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Latest Fullstack Engineering jobs at Upstart

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Upstart

Senior Software Engineer, Marketplace Optimization

UpstartUnited States

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.

167k – 231k/yr
Remote5+ YOEFullstack Engineering
Upstart

Senior Software Engineer, Unsecured Installments

UpstartUnited States

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.

160k – 224k/yr
Remote6+ YOEFullstack Engineering
Upstart

Software Engineer, Unsecured Installments

UpstartUnited States

Software engineer building and improving borrower-facing frontend and full-stack experiences for Upstart's unsecured installments lending product using React, TypeScript, and backend services. Requires 4-5+ years experience and strong full-stack skills.

136k – 197k/yr
Remote5+ YOEFullstack Engineering
Upstart

Senior Software Engineer, Upstart Bank

UpstartUnited States

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.

167k – 242k/yr
Remote5+ YOEFullstack Engineering
Upstart

Senior Software Engineer, White Label Platform

UpstartUnited States

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.

167k – 231k/yr
Remote5+ YOEFullstack Engineering
Upstart

Software Engineer, Conversion

UpstartUnited States

Software Engineer on the Conversion Engineering team building and optimizing high-impact, user-facing borrower experiences (funding form, rate check) that drive ~80% of Upstart's revenue. Requires 4+ years full-stack experience with strong frontend focus on performance, usability, and experimentation; partners closely with Product, Design, and ML teams.

142k – 197k/yr
Remote4+ YOEFullstack Engineering
Upstart

Senior Software Engineer, Auto

UpstartUnited States

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.

153k – 231k/yr
Remote4+ YOEFullstack Engineering
Upstart

Senior Software Engineer

UpstartUnited States

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.

167k – 231k/yr
Remote5+ YOEFullstack Engineering