Betterment can help grow your money by making saving and investing easy. Invest in a tailored portfolio, set buckets for your goals, and earn rewards. Backed by Bessemer and Menlo.
About the role
The API & Auth Platform team enables product teams across Betterment to build and operate APIs quickly, enjoyably, and securely. As Sr Software Engineer, you will work with a team of senior/staff engineers stewarding our shared GraphQL API frameworks, authentication and access control systems, and internal tooling platform.
What they're looking for
- A contributor capable of working in sensitive auth systems, working alongside senior and staff IC colleagues to shaping their technical direction
- Experience with modern authentication/authorization patterns (OAuth 2.0, OIDC, passkeys), with an appreciation for the importance of adoption, long-term support, and security testing
- Experience operating systems in production that other engineering teams depend on, with an eye for observability, testing, and safe rollout
- Comfort with the evolving AI landscape — using AI tooling in your own workflow and thinking clearly about how AI agents should access APIs safely
- Fullstack development experience including GraphQL and one or more server-side languages (Ruby, Java, TypeScript, C#, Python, etc.)
- Experience collaborating across discipline and team boundaries
More about this role
Betterment is a leading, technology-driven financial services company that offers investing, savings and retirement solutions for retail investors and investment advisors as well as financial wellness solutions, including a 401(k) for small and medium-sized businesses. Our team is passionate about our mission, to empower people to build wealth with confidence and ease. We're headquartered in NYC and offer hybrid NY-based positions (four days/week in-office, with no required office days during the summer and winter holidays).
The API & Auth Platform team enables product teams across Betterment to build and operate APIs quickly, enjoyably, and securely. As Sr Software Engineer, you will work with a team of senior/staff engineers stewarding our shared GraphQL API frameworks, authentication and access control systems, and internal tooling platform.
You will help build core pieces of the GraphQL API frameworks powering our customer-facing web and mobile applications, working closely with engineering leadership. You will also collaborate with operations, customer support, and compliance partners to ensure our internal APIs let teams operate Betterment systems with the rigor our...
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