Senior Software Engineer (Backend, Consumer Authentication Platform)

Benefits

• Compensation: We have a simple, flexible, and transparent remote-first compensation structure so you can make the best decisions for yourself and your family
• Spending Wallets: Access tech, food, lifestyle, and family planning wallets for your expenses
• Supportive Communities: Get involved with our employee resource groups and community groups
• Remote-first Workforce: If your role is remote, you can set up shop anywhere in your home country
• Generous Time Off: Take the time you need when life happens
• Health Benefits: Get a plan that fits your needs
• Mental Healthcare: Take care of your mind with great mental health programs
• Parental Leave: Birth and non-birth parents get 18 weeks’ paid leave. Plus, a 4-week return-to-work transition program, at full base pay
• Away Days: We offer 20 company-wide paid days off—which help our teams collectively pause to recharge
• Learning & Development: Engage in exciting learning programs to level up your growth

You are proficient at making significant changes in a large codebase and have developed a suite of tools and practices that enable you and your team to do so safely, including testing strategies, migration plans, and controlled rollouts Experience designing session-management, token-issuance, account-recovery, or multi-factor authentication systems. Familiarity with risk-based or adaptive authentication and the interaction between identity, security, compliance, and fraud controls This position requires either equivalent practical experience or a bachelor’s degree in a related field Your experience demonstrates that you take ownership of your growth, proactively seeking feedback from your team, manager, and stakeholders, while helping other engineers grow through mentorship and technical leadership Familiarity with standards and protocols such as OAuth 2.0, OpenID Connect, WebAuthn/passkeys, FIDO2, JWTs, and public-key cryptography. Knowledge of security and assurance frameworks such as the NIST Digital Identity Guidelines or PCI DSS You have a track record of developing highly available distributed systems using technologies like AWS, MySQL, and Kubernetes, as well as relational databases, event-driven architectures, and RPC or API frameworks You have 4+ years of experience designing, developing, and launching backend systems at scale using languages like Python, Kotlin, Java, or another comparable modern programming language You have experience defining a technical plan for the delivery of a significant feature or system component with an elegant, secure, simple, and extensible design. You write high-quality code that is easily understood and used by others You have strong verbal and written communication skills that support effective collaboration with our global engineering team and cross-functional partners