Explore lending solutions through Upstart, including personal loans, debt consolidation, short-term relief, Cash Line, and HELOC. Check your rate today! Backed by Khosla, Kleiner Perkins and NEA.
About the role
As a Senior Application Security Engineer at Upstart, you will lead application security projects that reduce risk across our products and engineering ecosystem. You will partner with product, platform, data, infrastructure, and engineering teams to identify security risks, review designs, build preventative controls, and drive complex issues through remediation.
What they're looking for
- Lead application security projects from planning through implementation, coordinating contributors and dependencies to deliver high-quality outcomes
- Conduct threat modeling and security architecture reviews for complex customer-facing applications, APIs, distributed services, and AI/ML systems
- Design and implement secure-by-default controls across the software development lifecycle, including secure coding standards, API protections, automated testing, CI/CD safeguards, and secrets management
- Partner with engineering teams to identify systemic vulnerabilities, evaluate practical remediation options, and ensure high-risk issues are resolved effectively
- Build services and automation that improve vulnerability detection, prioritization, validation, and prevention while reducing friction for developers
- Assess the security of AI-enabled products and developer workflows, including GenAI integrations, agentic systems, model inputs and outputs, sensitive-data handling, and access boundaries
More about this role
At Upstart, we’re united by a mission that matters: to radically reduce the cost and complexity of borrowing for all Americans. Every day, we bring creativity, experimentation, and advanced AI to reshape access to credit, helping millions move forward financially with clarity and confidence.
As the leading AI lending marketplace, we partner with banks and credit unions to expand access to affordable credit through technology that’s both radically intelligent and deeply human. Our platform runs over one million predictions per borrower using more than 3,000 signals, powering smarter, fairer decisions for millions of customers. But the numbers only hint at the impact. Every idea, every voice, and every contribution moves us closer to a world where credit never stands between people and their financial progress.
We’re proudly digital-first, giving most Upstarters the flexibility to do their best work from wherever they thrive, alongside teammates across 80+ cities in the US and Canada. Digital-first doesn’t mean distant. We’re intentional about in-person connection through team onsites, planning sessions, and moments that spark creativity and trust. And whether you choose to work...
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