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Upstart Builtin · Indexed 2026-06-22

Senior Software Engineer, Identity Platform

Remote 167K-231K Annually Remote

Senior level Builtin
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Upstart Senior Software Engineer, Identity Platform 3 Hours AgoSaved Easy Apply Remote United States Easy Apply 167K-231K Annually Senior level 167K-231K Annually Senior levelArtificial Intelligence • Fintech • Machine Learning • Social Impact • SoftwareDesign, build, and scale authentication, authorization, and experimentation systems for Upstart's lending products. Implement OAuth/OIDC/SAML-based flows, secure APIs with containerized deployments, partner with security and product teams to improve IAM, mentor engineers, participate in architecture, and drive platform experimentation and lifecycle improvements.Top Skills: C#Claude CodeCursorDockerJavaKotlinKubernetesMfaOauth 2.0Openid ConnectRubySAMLSso

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