Principal Software Engineer, Capital Marketplace

Upstart•San Mateo, CA

2d•Remote

About The Position

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 The Capital Supply Vertical is the fuel that powers Upstart’s AI based lending operations. Spread across five dynamic high performance teams; Capital Supply is in charge of onboarding and maintaining Capital Supply relations with both our Lending Partners and Investors. We provide both our internal and external business partners with reports, forecasting, financial reporting and help optimize the connection between our customer base and the funding suppliers. As a Principal Engineer at Upstart on the Capital Supply team, you will collaborate with all parts of the Upstart business and engineering, including Machine Learning, Data Engineering, Product Management, Product Design, Platform, Servicing, Lending Partnerships, and Auto. The role will report directly to a head of Capital Market Engineering and work closely with all five of the Capital Supply product engineering teams. Your goal is to autonomously identify and prioritize high impact work that will ultimately make the Capital Supply Vertical successful.

Requirements

10+ years software engineering experience
Strong technical and software engineering fundamentals including a demonstrated ability to build and own large-scale, highly available consumer products
Ability to explain complex business and technical concepts to all audiences
Experience leading large cross-team initiatives at companies that have gone through periods of rapid business or organizational growth
Track record of successfully mentoring and developing technical leaders

Nice To Haves

Has defined and executed on longer term (multi-quarter +) technological visions or strategies for multi-team organizations
Has driven initiatives of significant depth or breadth with demonstrated results in engineering process, technology platforms, or overall productivity of others
Ability to identify gaps in organizational knowledge, tools, and practices and produce and execute on plans to address those gaps
Ability to influence and lead without direct authority
Strong product and analytical mindset that allows you to think in terms of ROI, risk, and trade offs

Responsibilities

Help define the Capital Supply engineering’s longer term technical roadmap ensuring alignment with business objectives
Guide the architectural evolution of Capital Supply systems with an emphasis on systems shared across the Capital Market engineering teams
Uncover and drive alignment across complex technical requirements, designs, trade-offs, influencing product direction
Proactively evaluate, prototype, and roll out new technologies/frameworks to help cultivate a culture of innovation
Partner with product leaders to shape product direction and drive business impact across all Capital Supply products
Lead from the front, while mentoring and developing technical leaders
Identify and prioritize high leverage and impactful opportunities

Benefits

Competitive Compensation (base + bonus & equity)
Comprehensive medical, dental, and vision coverage with Health Savings Account contributions from Upstart
401(k) with 100% company match up to $4,500 and immediate vesting and after-tax savings
Employee Stock Purchase Plan (ESPP)
Life and disability insurance
Generous holiday, vacation, sick and safety leave
Supportive parental, family care, and military leave programs
Annual wellness, technology & ergonomic reimbursement programs
Social activities including team events and onsites, all-company updates, employee resource groups (ERGs), and other interest groups such as book clubs, fitness, investing, and volunteering
Catered lunches + snacks & drinks when working in offices