Senior Software Development Engineer - Browser Extension

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 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

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, and a learning and development benefit.

The above represents the anticipated total rewards package for this job requisition. Final offers may vary from the amount listed based on qualifications, professional experiences, skills, education, relevant training, geographic location, and other job related factors.

Mountain View, CA Pay Range
$189,584—$209,000 USD

ID.me is a full-time, in-office culture. Unless a specific job description explicitly states otherwise, all roles are on-site five days per week at one of our offices in McLean, VA; Mountain View, CA; New York City, NY; or Tampa, FL. Certain roles — such as field-based sales or other remote-by-design positions — may have different work arrangements as noted in their individual postings.

ID.me maintains a work environment free from discrimination, where employees are treated with dignity and respect. All ID.me employees share in the responsibility for fulfilling our commitment to equal employment opportunity. ID.me does not discriminate against any employee or applicant on the basis of age, ancestry, color, family or medical care leave, gender identity or expression, genetic information, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran status, race, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable laws, regulations and ordinances. ID.me adheres to these principles in all aspects of employment, including recruitment, hiring, training, compensation, promotion, benefits, social and recreational programs, and discipline. In addition, ID.me's policy is to provide reasonable accommodation to qualified employees who have protected disabilities to the extent required by applicable laws, regulations and ordinances where a particular employee works. Upon request we will provide you with more information about such accommodations.

Please review our Privacy Policy, including our CCPA policy, at id.me/privacy. If you provide ID.me with any personally identifiable information you confirm that you have read and agree to be bound by the terms and conditions set out in our Privacy Policy.

ID.me participates in E-Verify.