Senior Software Engineer, Identity Platform

How you’ll make an impact

• Design, develop, and optimize secure and scalable authentication and authorization systems.
• Collaborate with cross-functional teams to improve Identity and Access Management (IAM) capabilities, including OAuth, OpenID Connect, MFA, and SSO.
• Partner with Security teams to enhance security policies and standards, ensuring protection against threats and unauthorized access.
• Improve Experimentation platform and Lifecycle across the Upstart Network Inc Products.
• Drive best engineering practices for clean, maintainable, and efficient code.
• Participate in architectural discussions, helping to shape the long-term vision of Identity Platform.
• Mentor and collaborate with other engineers to elevate the team’s technical skills and knowledge.
• Work on high impact initiatives that solve for making credit accessible to everyone.

Minimum Qualifications

• Bachelor’s degree in Computer Science, Engineering, or Mathematics, or a related field (or its equivalent) + 4 years of experience
• Strong proficiency in backend technologies (e.g., Kotlin, Java, Ruby, C#).
• Hands-on experience with authentication and authorization protocols (OAuth 2.0, OpenID Connect, SAML).
• Experience building scalable APIs using containerization technologies like Docker and Kubernetes.
• Understanding of security principles, including encryption, token-based authentication, and identity federation.
• Strong problem-solving and debugging skills, with an emphasis on performance optimization.
• Ability to balance the needs of the business with engineering best practices and security considerations.
• Passion for clean code, architecture, and continuous improvement of engineering processes.
• Experience with AI Coding tools such as Cursor, Claude Code etc.
• Excellent communication skills – able to translate complex technical concepts for a variety of stakeholders

Preferred Qualifications

• Experience working with IAM platforms and security services.
• Knowledge of A/B testing, gRPC, and DevOps practices.
• Experience with Keycloak, NextJS, and Ruby is a plus.
• Proven ability to influence technical direction without direct authority.
• Strong product and analytical mindset, capable of making trade-offs between risk, ROI, and performance.
• Experience working at companies experiencing rapid growth and scaling challenges.
• Strong sense of ownership and accountability for the quality and timely delivery of work
• Ability to influence and lead without direct authority