Senior Software Engineer, Gusto

• We’re looking for a talented and motivated Mobile Engineer with 8+ years of experience to join our Identity Engineering team
• If you’re passionate about building elegant, scalable solutions and strengthening a high-performing mobile team, we’d love to have you on board!
• At least 6 years of experience in Swift iOS development and a minimum of 8 years in mobile software engineering
• Strong knowledge of SwiftUI and/or GraphQL
• Self-driven mindset, and the ability to work on green field projects
• Working knowledge of MVVM
• Experience with iOS testing frameworks and best practices
• Experience implementing biometric authentication (Face ID, Touch ID) and passkey solutions in mobile applications
• Experience in constructing platform and common components to enhance scalability, consistency, and maintainability throughout the product development lifecycle
• Strong critical thinking skills, and a keen attention to detail
• Strong communication and cross-functional partnership skills
• Commitment to continuous learning and mentorship

Desirable

• In this role, you'll play a key part in developing seamless and secure login and authentication experiences that protect our customers’ most sensitive data
• You’ll build and scale secure, frictionless authentication solutions, own and enhance shared services that power Identity across Gusto’s platform, and stay ahead of best practices, tooling, and advancements in Identity security
• Collaboration is key—you’ll work closely with teams across Payroll, Benefits, HR, Security, System Design, and Infrastructure to deliver scalable, high-impact solutions
• The Identity Engineering team is responsible for safeguarding customer accounts by enabling secure login and authentication
• Our customers entrust us with highly sensitive data related to their livelihoods, and it’s our mission to protect them from account takeovers
• We operate under the principle of "Frictionless Security", ensuring that all Gusto users have seamless yet secure access to their designated entities
• At our core, Login and Authentication are our products, but Secured Login and Authentication is our business
• Our focus is not just on enabling access but on delivering a security-first experience that protects every customer interaction
• Build, iterate, and refine experiences that allow users to successfully and easily access key product features and offerings
• Integrate biometric authentication methods (Face ID, Touch ID) and passkey functionalities to enhance user login security and improve user experience
• Implement and maintain secure coding practices to protect user data and ensure compliance with privacy regulations
• Architect, build, test, and refine Gusto’s native iOS app and supporting mobile web-views
• Collaborate with our product management, design, and other partner teams to understand technical and customer pain points, come up with solutions, and then prototype, iterate, and launch
• Build a product that our customers genuinely love. Don't just take our word for it - check out what some customers have to say