Senior Software Development Engineer - Browser Extension

Senior Software Development Engineer - Browser Extension

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.

Role Overview

As a Senior Software Development Engineer, you will play a key role in building and scaling ID.me's browser extension platform, which spans identity verification, digital wallet capabilities, and e-commerce engagement. Your work will enhance user experiences across desktop and mobile browsers—empowering users to manage credentials, authenticate securely, receive personalized offers, and navigate life events—all while being protected from fraud and scams.

You will contribute to the design and development of secure, scalable, and high-performance solutions that drive user engagement and revenue growth through personalized, trustworthy, and seamless digital interactions.

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

Key Responsibilities

• Design and develop browser extensions for Chrome and Safari (desktop and mobile).
• Implement secure digital wallet integrations, including support for passkeys, biometric authentication, and multi-factor authentication.
• Create personalized user experiences such as shopping rewards, contextual offers, and seamless access to identity services.
• Optimize flows for authentication, digital identity storage, and commerce conversion.
• Integrate with e-commerce platforms, marketplaces, and affiliate systems.
• Apply security, privacy, and identity best practices to ensure user safety and compliance.
• Collaborate closely with cross-functional teams including Product, Design, Security, Compliance, and Infrastructure.
• Contribute to code quality, testing, documentation, and team best practices.

Required Qualifications

• Bachelor's degree in Computer Science or a related field.
• 6+ years of experience in SaaS software development, with a strong emphasis on front-end engineering.
• 3+ years of experience in JavaScript, TypeScript, React, WebExtensions APIs, or browser security fundamentals.

Preferred Qualifications

• Experience building and launching browser extensions or comparable web applications.
• Familiarity with at least one major backend language (Java, Ruby, Go, Python, C++).
• Knowledge of authentication protocols (OAuth2, OpenID Connect), encryption, and secure credential storage.
• Strong problem-solving skills and a proactive approach to technical challenges.
• Experience with e-commerce platforms, affiliate networks, or payment systems.
• Exposure to digital identity solutions or authentication-focused products.
• Understanding of passkey-based login, biometric authentication, or decentralized identity standards.
• Familiarity with A/B testing, analytics, or personalization.
• Awareness of IAM compliance and data protection regulations.
• Experience with Ruby on Rails, React, Web Components, and Zustand

Mountain View, CA Pay Range

$189,584 - $209,000 USD