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- Tasks: Join us as a UX Engineer to enhance ecommerce through A/B testing and data-driven insights.
- Company: Asda is a leading retailer committed to innovation and inclusivity in the workplace.
- Benefits: Enjoy a competitive salary, company bonus, pension scheme, and 15% discount on purchases.
- Why this job: Be part of a collaborative team that values experimentation and drives real customer engagement.
- Qualifications: Experience with A/B testing tools and strong skills in JavaScript, HTML, and CSS required.
- Other info: Flexible working options and a culture that celebrates diversity and inclusion.
The predicted salary is between 36000 - 60000 £ per year.
Job Title
UX Engineer – Experimentation & Optimisation
Location
Asda House
Employment Type
Full time
Contract Type
Permanent
Hours Per Week
37.5
Salary
Competitive salary plus benefits.
Category
User Experience Design
Closing Date
27 October 2025
Let’s find your role
As an Experimentation & Optimisation Engineer, you will play a key role in enhancing the ecommerce experience by implementing and managing A/B tests, multivariate tests, and personalization experiments. Working within the UX, Research, and Conversion Rate Optimisation (CRO) team, you will collaborate with designers, other developers (internal and external to Asda), and analysts to test hypotheses, validate design improvements, and drive data‑informed decisions that improve conversion rates and customer engagement.
You Will
- Implement & Manage Experiments Develop, deploy, and maintain A/B and multivariate tests across ecommerce platforms, ensuring robust and scalable execution. Work with experimentation platforms to set up, monitor, and analyse tests. Ensure experiments run efficiently, with proper randomization, targeting, and performance tracking.
- Improve Conversion Rate Through Testing Collaborate with the CRO Lead, UX and Content design, Research, and Product teams to identify testing opportunities that reduce friction and enhance the user journey.
- Data-Driven Insights & Technical Optimisation Collaborate with Data & Analytics, and UX Research to analyse user behaviour, to shape test hypotheses and identify blockers. Ensure test variations maintain site performance, SEO, and accessibility.
- Cross-Functional Collaboration & Knowledge Sharing Work closely with eComm teams as well as UX Designers and Product Managers to integrate testing into Agile workflows. Share insights, methodologies, and best practices to foster a culture of experimentation across the business. Ensure that all tests are aligned with business goals and customer needs.
- Maintain Ethical, Compliant & Scalable Testing Practices Ensure all experiments adhere to ethical standards, including data privacy regulations (e.g., GDPR, CCPA). Develop scalable testing processes that allow for rapid iteration without disrupting the user experience. Advocate for accessibility and inclusivity in all testing initiatives.
Let’s Find Out About You
- Experimentation & A/B Testing: Experience with A/B testing tools, ensuring proper test setup and execution.
- Front-End Development: Strong proficiency in JavaScript, HTML, and CSS to implement and modify test variations.
- Performance & Site Optimization: Understanding of web performance metrics and techniques to improve performance and usability.
- Collaboration & Communication: Ability to work effectively with eComm Events, Monetisation and Trading teams as well as UX, Product, and Development teams, translating test insights into actionable recommendations.
- Agile & Iterative Mindset: Experience working in agile environments, running fast‑paced experiments, and iterating based on results.
Everything you’ll love
To ensure we balance moments where we know we need to collaborate together and the need for flexibility, Asda has a hybrid way of working with a minimum 3 days a week in one of our Home Offices. Over and above this, each area of Asda may have additional requirements which may require spending more days in the office, visiting suppliers, stores or depots.
You Will Also Get An Excellent Benefits Package Including
- Discretionary company bonus
- Company pension up to 7% matched
- 15% colleague discount in store and online
- Free access to wellbeing services such as Wagestream, 24/7 virtual GP, counselling, health and dental cash plans and a 24/7 employee assistance helpline, alongside discounts across a range of services and activities, from airport parking, enhanced to theme parks and cinemas.
- Asda Allies Inclusion Networks – helping colleagues to make sure everybody is included and that our differences are recognised and celebrated
- Excellent parental leave policies, including maternity & adoption leave, paternity leave, shared parental leave, neonatal care leave, and support for those doing fertility treatments.
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UX Engineer - Experimentation & Optimisation employer: ASDA
Contact Detail:
ASDA Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land UX Engineer - Experimentation & Optimisation
✨Tip Number 1
Familiarise yourself with A/B testing tools and methodologies. Understanding the nuances of how these tests work will not only help you in interviews but also demonstrate your commitment to the role.
✨Tip Number 2
Showcase your front-end development skills by working on personal projects or contributing to open-source. This hands-on experience with JavaScript, HTML, and CSS will make you stand out as a candidate.
✨Tip Number 3
Network with professionals in the UX and CRO fields. Attend relevant meetups or webinars to connect with others who can provide insights into the industry and potentially refer you to opportunities at Asda.
✨Tip Number 4
Prepare to discuss your experience in agile environments. Be ready to share specific examples of how you've iterated on projects based on data-driven insights, as this aligns closely with the responsibilities of the role.
We think you need these skills to ace UX Engineer - Experimentation & Optimisation
Some tips for your application 🫡
Understand the Role: Before applying, make sure you fully understand the responsibilities and qualifications required for the UX Engineer position. Familiarise yourself with A/B testing, multivariate tests, and the tools mentioned in the job description.
Tailor Your CV: Customise your CV to highlight relevant experience in experimentation, front-end development, and collaboration within agile teams. Use specific examples that demonstrate your skills in JavaScript, HTML, and CSS, as well as your ability to improve conversion rates.
Craft a Compelling Cover Letter: Write a cover letter that showcases your passion for user experience design and your understanding of data-driven decision-making. Mention how your previous experiences align with the role's requirements and how you can contribute to Asda's goals.
Highlight Collaboration Skills: Emphasise your ability to work cross-functionally with different teams, such as UX designers, product managers, and data analysts. Provide examples of past projects where you successfully collaborated to achieve common objectives.
How to prepare for a job interview at ASDA
✨Showcase Your Experimentation Skills
Be prepared to discuss your experience with A/B testing and multivariate tests. Share specific examples of experiments you've implemented, the tools you used, and the outcomes. This will demonstrate your hands-on knowledge and ability to drive data-informed decisions.
✨Highlight Your Technical Proficiency
Since the role requires strong front-end development skills, make sure to mention your proficiency in JavaScript, HTML, and CSS. You might even want to prepare a small portfolio or examples of your work that showcase your coding abilities and how they relate to UX design.
✨Emphasise Collaboration Experience
This position involves working closely with various teams, so be ready to talk about your collaborative experiences. Discuss how you've worked with designers, developers, and analysts in the past to achieve common goals, and how you can bring that teamwork to their organisation.
✨Demonstrate an Agile Mindset
Since the role is set in an agile environment, share your experiences with fast-paced experimentation and iterative processes. Talk about how you've adapted to changes quickly and how you use feedback to improve your work continuously.