Senior Software Engineer, Unsecured Installments

About the role

As a Senior Software Engineer on the Unsecured Installments team, you will serve as a technical leader for frontend and full-stack borrower experiences. You will own the delivery of large, multi-month projects, shape the architecture of mobile-web and full-stack surfaces, and set a high bar for quality. You will partner with product, design, and backend teams to turn ambiguous problems into durable, well-architected solutions while mentoring other engineers.

Responsibilities

• Own the design and delivery of large, complex frontend and full-stack initiatives from planning through launch and maintenance.
• Set technical direction for frontend architecture and full-stack patterns, owning a 3–6 month roadmap.
• Partner with product, design, and backend engineers to translate roadmap priorities into scalable, high-quality experiences.
• Raise the bar for engineering excellence through strong component and API design, testing, observability, and operational rigor.
• Lead through ambiguity by breaking down loosely defined problems into clear, testable plans.
• Mentor and grow other engineers through code reviews, design reviews, and technical guidance.
• Contribute to the team's use of AI in development workflows and product capabilities.

Required skills

• React
• TypeScript
• Full-stack development
• API design
• State management
• Performance optimization
• Python
• Java
• Kotlin
• Ruby
• Node.js

Nice to have

• Technical leadership
• Fintech
• A/B testing
• Feature-flagging
• Jest
• React Testing Library
• Cypress
• CI/CD
• Generative AI

Qualifications

• Bachelor's degree in Computer Science, Engineering, or a related field
• Equivalent practical experience

Benefits

• Health insurance
• Dental insurance
• Vision insurance
• 401(k) with company match
• Employee Stock Purchase Plan
• Life insurance
• Disability coverage
• Paid time off
• Paid parental leave
• Annual wellness allowance

About the Company

Upstart is a leading AI lending marketplace that partners with banks and credit unions to expand access to affordable credit. The company uses advanced AI to run over one million predictions per borrower to power smarter, fairer financial decisions.