Senior UX- QA Engineer

How You’ll Make an Impact

As a Senior Quality Assurance Engineer at Epsilon, you will play a pivotal role in driving our AI-first transformation while ensuring our suite of applications delivers outstanding and inclusive user experiences. You'll work at the intersection of design, engineering, and automation, applying AI technologies to streamline UX QA processes and strengthen accessibility across our digital products. Your contributions will directly support Epsilon’s dedication to innovation, design consistency, and accessibility-first development, ensuring that every user—regardless of ability—has an equitable experience.

What You’ll Achieve

• Champion AI driven QA practices by using emerging tools and frameworks to automate the verification of design fidelity and accessibility across Epsilon’s applications.
• Use your blend of front-end and design expertise to enforce alignment to UI specifications with a strong focus on WCAG-compliant accessibility standards.
• Identify and document design-related bugs, conducting AI-assisted audits to flag accessibility and interaction issues early in the development cycle.
• Collaborate with UX and Engineering teams to evolve and implement intelligent QA workflows, supporting scalable and consistent testing methodologies.
• Develop standard processes that integrate AI-based accessibility validation tools and advocate for inclusive design principles throughout the product lifecycle.
• Maintain and supervise our design system components to ensure they reflect the latest standards, patterns, and accessibility requirements.
• Stay at the forefront of AI technologies, accessibility innovations, and user-centric testing practices to continuously improve product quality and inclusivity.

Who You Are

• What you’ll bring with you:
  • Bachelor’s degree in Computer Science, Design, Human-Computer Interaction, or a related field.
  • Proficient in HTML5, CSS3, SCSS, SASS, and JavaScript, with hands-on experience in responsive, cross-browser development.
  • Experience with JavaScript frameworks like Angular.
  • Familiarity with AI/ML-based tools for QA, accessibility scanning, or UI validation is a strong plus.
  • Deep understanding of WCAG 2.1 AA accessibility standards and hands-on experience applying them in product development.
  • Strong attention to detail and a critical mentality that thrives on catching design inconsistencies and accessibility gaps.
  • Excellent communicator who values multi-functional collaboration and thrives in a fast-paced Agile environment.
  • Experience using Git, Bitbucket, GitHub, and Jira in an Agile development workflow.
• Why You Might Stand Out from Other Talent
  • Proven experience integrating AI tools into testing or QA pipelines.
  • A passion for accessibility and inclusive design, with a track record of delivering experiences that work for all users.
  • Someone who excels at solving systems problems and prioritizes design consistency and scalable testing approaches.
  • Enjoys working at the intersection of design, development, and automation—collaborating with multi-functional teams to deliver high-quality outcomes.
  • Experience bridging the gap between human-centered design and machine-powered testing, especially in accessibility validation.

Click here to view how Epsilon transforms marketing with 1 View, 1 Vision, 1 Voice.

Base Salary: $80,250 - $133,750 

Actual compensation within the range will be dependent upon, but not limited to the individual’s skills, experience, qualifications, location and application employment laws. The salary pay range is subject to change and may be modified at any time.

When You Join Us, We’ll Create Something EPIC Together
Epsilon is a global data, technology and services company that powers the marketing and advertising ecosystem. For decades, we’ve provided marketers from the world’s leading brands the data, technology and services they need to engage consumers with 1 View, 1 Vision and 1 Voice. 1 View of their universe of potential buyers. 1 Vision for engaging each individual. And 1 Voice to harmonize engagement across paid, owned and earned channels.

Epsilon’s comprehensive portfolio of capabilities across our suite of digital media, messaging and loyalty solutions bridge the divide between marketing and advertising technology. We process 400+ billion consumer actions each day using advanced AI and hold many patents of proprietary technology, including real-time modeling languages and consumer privacy advancements. Thanks to the work of every employee, Epsilon has been consistently recognized as industry-leading by Forrester, Adweek and the MRC. Epsilon is a global company with more than 9,000 employees around the world.

Epsilon has a core set of 5 values that define our culture and guide us to create value for our clients, our people and consumers. We are seeking candidates that align with our company values, demonstrate them and make them meaningful in their day-to-day work: 

• Act with integrity. We are transparent and have the courage to do the right thing.
• Work together to win together. We believe collaboration is the catalyst that unlocks our full potential.
• Innovate with purpose. We shape the market with big ideas that drive big outcomes.
• Respect all voices. We embrace differences and foster a culture of connection and belonging.
• Empower with accountability. We trust each other to own and deliver on common goals.
  
  

Because You Matter

As an Epsilon employee, you deserve perks and benefits that put you, your family and your finances first.  Our benefits encompass a wide range of offerings, including but not limited to the following:  

• Time to Recharge: Flexible time off (FTO), 15 paid holidays
• Time to Recover: Paid sick time  
• Family Well-Being: Parental/new child leave, childcare & elder care assistance, adoption assistance  
• Extra Perks: Comprehensive health coverage, 401(k), tuition assistance, commuter benefits, professional development, employee recognition, charitable donation matching, health coaching and counseling  
  
  

Epsilon benefits are subject to eligibility requirements and other terms. 

Epsilon is an Equal Opportunity Employer.  Epsilon’s policy is not to discriminate against any applicant or employee based on actual or perceived race, age, sex or gender (including pregnancy), marital status, national origin, ancestry, citizenship status, mental or physical disability, religion, creed, color, sexual orientation, gender identity or expression (including transgender status), veteran status, genetic information, or any other characteristic protected by applicable federal, state or local law. Epsilon also prohibits harassment of applicants and employees based on any of these protected categories. Epsilon will provide accommodations to applicants needing accommodations to complete the application process. Please reach out to LeaveofAbsence@epsilon.com to request an accommodation.

For San Francisco Bay and Los Angeles Areas: Epsilon will consider for employment qualified applicants with criminal histories in a manner consistent with the City of Los Angeles’ Fair Chance Initiative for Hiring Ordinance and San Francisco Police Code Sections 4901-4919, commonly referred to as the San Francisco Fair Chance Ordinance. Applicants with criminal histories are welcome to apply.

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