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Senior Software Development Engineer - Browser Extension

ID.me

Salary not specified
Nov 13, 2025
Mountain View, CA, US
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ID.me is looking to build and scale its browser extension platform to enhance user experiences in identity verification, digital wallet capabilities, and e-commerce engagement, while protecting users from fraud and scams.

Requirements

  • 3+ years of experience in JavaScript, TypeScript, React, WebExtensions APIs, or browser security fundamentals.
  • 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.
  • Understanding of passkey-based login, biometric authentication, or decentralized identity standards.

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.
  • Contribute to code quality, testing, documentation, and team best practices.

Other

  • 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.
  • Collaborate closely with cross-functional teams including Product, Design, Security, Compliance, and Infrastructure.
  • This role is based in our Mountain View, CA office, 5 days per week.
  • ID.me is a full-time, in-office culture.