Senior Software Development Engineer - iOS

Company Overview

ID.me is the next-generation digital identity wallet that simplifies how individuals securely prove their identity online. Consumers can verify their identity with ID.me once and seamlessly login across websites without having to create a new login and verify their identity again. Over 152 million users experience streamlined login and identity verification with ID.me at 20 federal agencies, 45 state government agencies, and 70+ healthcare organizations. More than 600+ consumer brands use ID.me to verify communities and user segments to honor service and build more authentic relationships. ID.me’s technology meets the federal standards for consumer authentication set by the Commerce Department and is approved as a NIST 800-63-3 IAL2 / AAL2 credential service provider by the Kantara Initiative. ID.me is committed to “No Identity Left Behind” to enable all people to have a secure digital identity. To learn more, visit https://network.id.me/.

Role Overview

As a Senior iOS Engineer, you will play a pivotal role in shaping the future of ID.me’s mobile platform, working on products at the intersection of identity, commerce, and trust. You’ll contribute to the ongoing development of the ID.me Authenticator app, design and deliver iOS SDKs for both internal and external use, and work closely with senior technical leaders to bring the brand new ID.me Super App to life.

Your work will directly impact millions of users by enabling secure authentication, frictionless digital identity interactions, and new forms of engagement—all while upholding the highest standards of security, privacy, and usability.

This role is based in our Mountain View, CA office, 5 days per week.

Key Responsibilities

• Develop and enhance the ID.me Authenticator app, focusing on performance, security, and user experience.
• Build and maintain reusable iOS SDKs that support internal applications and external partner integrations.
• Collaborate with senior technical leaders to implement the architecture and development of the ID.me Super App, which will span use cases including identity management, shopping, healthcare, and more.
• Implement secure authentication flows, including biometric login, passkeys, and multi-factor authentication.
• Apply best practices for security, privacy, and compliance in mobile development.
• Work closely with Product, Design, Backend, and Security teams to deliver cohesive, high-quality solutions.
• Contribute to team best practices, including code quality, testing, CI/CD, and documentation.

• Bachelor’s degree in Computer Science, Engineering, or a related field.
• 6+ years of professional experience developing and shipping consumer-facing iOS applications at scale, with expertise in Swift, modern iOS frameworks (e.g., SwiftUI, Combine, UIKit), and architecture patterns (e.g., MVVM, VIPER, Clean Architecture).

• Experience designing and delivering SDKs for third-party developers.
• Understanding of mobile security principles, including encryption, secure storage, and authentication protocols (OAuth2, OpenID Connect).
• Strong problem-solving skills and ability to collaborate effectively with senior engineers and cross-functional teams.
• Experience working in highly regulated industries (finance, healthcare, government)
• Familiarity with digital wallets, biometric authentication, and passkey-based login.
• Exposure to greenfield product development and large-scale app launches.
• Knowledge of CI/CD pipelines, automated testing frameworks, and monitoring for mobile applications.
• Understanding of IAM compliance, data protection regulations, and App Store review guidelines.

The annual base salary listed does not include a company bonus, incentive for sales roles, equity and benefits which will be determined based on experience, skills, education, relevant training, geographic location and role. 

ID.me offers comprehensive medical, dental, vision, health savings account, flexible spending accounts (medical, limited purpose, dependent care, commuter benefit accounts), basic and voluntary life and AD&D insurance, 401(k) with company match, parental leave, ability to participate in unlimited paid time off subject to the terms and conditions of the PTO policy, including 8 company wide holidays, short and long-term disability insurance, accident and critical illness insurance, referral bonus policy, employee assistance program, pet insurance, travel assistant program, wellbeing and childcare discounts, benefit advocates,