Senior Software Engineer - iOS Mobile Development, Identity New San Francisco CA, Denver CO, Ne[...]

Company: Gusto
Location: San Francisco
Posted on: March 20, 2025

Job Description:

Senior Software Engineer - iOS Mobile Development, IdentitySan Francisco CA, Denver CO, New York City NYAbout GustoGusto is a modern, online people platform that helps small businesses take care of their teams. On top of full-service payroll, Gusto offers health insurance, 401(k)s, expert HR, and team management tools. Today, Gusto offices in Denver, San Francisco, and New York serve more than 400,000 businesses nationwide.Our mission is to create a world where work empowers a better life, and it starts right here at Gusto. That's why we're committed to building a collaborative and inclusive workplace, both physically and virtually.About the Role:We're looking for a talented and motivated Mobile Engineer with 8+ years of experience to join our Identity Engineering team. 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.About the Team: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.Here's what you'll do day-to-day:

• 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.Here's what we're looking for:
  • 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.Nice to Haves:
    • Previous knowledge of the iOS security model, including keychain services, data protection, and secure networking practices.
    • Previous experience in a security-focused role or with security-related projects is a plus.
    • Ability to deliver high-quality code across a diverse tech stack.
    • Familiarity with analytics and monitoring tools.
    • Familiarity with mobile infrastructure such as CI/CD, automated test environments, build & release systems, etc.
    • Comfortable dealing with ambiguity, setting milestones and deliverables for the team.Our cash compensation amount for this role is targeted at $170,000-$200,000 for San Francisco, Seattle & New York and $135,000-$165,000 for Denver. Final offer amounts are determined by multiple factors including candidate experience and expertise and may vary from the amounts listed above.Gusto has physical office spaces in Denver, San Francisco, and New York City. Employees who are based in those locations will be expected to work from the office on designated days approximately 2-3 days per week (or more depending on role).Our customers come from all walks of life and so do we. We hire great people from a wide variety of backgrounds, not just because it's the right thing to do, but because it makes our company stronger. If you share our values and our enthusiasm for small businesses, you will find a home at Gusto.Gusto is proud to be an equal opportunity employer. We do not discriminate in hiring or any employment decision based on race, color, religion, national origin, age, sex (including pregnancy, childbirth, or related medical conditions), marital status, ancestry, physical or mental disability, genetic information, veteran status, gender identity or expression, sexual orientation, or other applicable legally protected characteristic.
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Keywords: Gusto, San Francisco , Senior Software Engineer - iOS Mobile Development, Identity New San Francisco CA, Denver CO, Ne[...], IT / Software / Systems , San Francisco, California