Principal Software Development Engineer - UI Foundations Mountain View, California, United States

Tbwa Chiat/Day Inc; Mountain View (CA); On-site; USD 248,000 - 296,000; Full time

Job summary

An established industry player is seeking a Principal Software Development Engineer to lead UI innovations. This role focuses on architecting scalable UI components and enhancing front-end development practices. You'll collaborate with talented designers and engineers, driving engineering excellence and fostering a culture of innovation. If you're passionate about creating high-performance user experiences and have extensive experience in front-end engineering, this is a fantastic opportunity to make a significant impact in a fast-paced environment. Join a team that values creativity and collaboration as you help define the future of digital identity solutions.

Benefits

Comprehensive medical insurance

Dental insurance

Vision insurance

401(k) with company match

Unlimited paid time off

Parental leave

Employee assistance program

Learning and development benefits

Pet insurance

Wellbeing and childcare discounts

Qualifications

• 15+ years of software development experience with a focus on front-end engineering.
• Expertise in building scalable design systems and component libraries.

Responsibilities

• Architect and develop scalable, reusable, and accessible UI components.
• Collaborate with teams to enhance front-end development efficiency.

Skills

Front-end engineering

CSS-in-JS

Performance optimization

Component-driven development

Accessibility

Analytical skills

Education

Bachelor's degree in Computer Science or related field

Tools

CMS-driven architectures

Responsive design frameworks

Job description

Principal Software Development Engineer - UI Foundations

Mountain View, California, United States

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 140 million users experience streamlined login and identity verification with ID.me at 20 federal agencies, 44 state government agencies, and 66 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 ID.me.

Principal Software Development Engineer – UI Foundations

At ID.me, we are committed to delivering seamless, secure, and scalable user experiences through cutting-edge UI engineering and front-end architecture. Our team collaborates with world-class designers and engineers to build high-performance solutions that empower millions of users.

We are looking for a UI engineering expert with deep experience in component-driven development, performance optimization, and scalable UI architectures, including CMS-driven experiences or Super App frameworks. If you’re a UI engineering expert looking to make a significant impact, we’d love to hear from you!

Key Responsibilities

• Architect and develop scalable, reusable, and accessible UI components to establish the foundation of our Design System.
• Collaborate with Design, Product, and Engineering teams to enhance front-end development velocity and efficiency.
• Lead the implementation of high-performance, configurable, and CMS-driven UI experiences.
• Champion best practices in front-end engineering, including accessibility, performance optimization, and security.
• Mentor engineers and drive engineering excellence, fostering a culture of innovation and modern UI development methodologies.

Basic Qualifications

• 15+ years of hands-on software development experience, with 5+ years specializing in front-end engineering and scalable UI architectures.
• Strong experience in CSS-in-JS, theming, and UI performance optimization.
• Proven track record of building scalable design systems and component libraries.
• Experience with CMS-driven UI architectures or dynamically configurable front-end systems.
• Hands-on experience with responsive, mobile-first, and cross-platform development.
• Strong analytical skills with expertise in performance, security, and accessibility.

Preferred Qualifications

• Experience building UI foundations for Super Apps or modular digital experiences.
• Familiarity with server-side rendering (SSR) and static site generation (SSG) for enhanced performance.
• Prior experience integrating UI components with identity management, security, or fintech applications.
• Expertise in A/B testing, analytics-driven UI optimizations, and user behavior tracking.
• Strong leadership experience, driving design and engineering decisions across large teams.

Why Join ID.me?

• Be at the forefront of UI innovation, defining the future of our design system.
• Work with top-tier engineers and designers in a fast-paced, high-impact environment.
• Influence engineering best practices and drive the evolution of front-end architecture at scale.

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, basic and voluntary life and AD&D insurance, 401(k) with company match, parental leave, 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: $248,750 - $295,926 USD

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.

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.