Performance Engineer (Hiring Immediately)

Job Title Performance Engineer

Location

Asda House

Employment Type

Full time

Contract Type

Permanent

Hours Per Week

37.5

Salary

Competitive salary plus benefits

Category

Software Development and Implementation

Closing Date

25 April 2026

This role requires on-site presence at Asda House in Leeds three days per week. We’re really looking forward to having you around!

Whether your background is in performance testing, software development, or platform engineering, this role offers an exciting opportunity to grow and thrive. We're looking for someone with solid technical foundations and a proactive, can-do attitude to make a real impact.

You'll receive comprehensive training in cutting-edge technologies like Azure, along with dedicated mentorship to support your development every step of the way.

As a Performance Engineer who will help drive the Performance Test strategy and QE ways of working across Asda Technology. The role will work closely with various stakeholders such as; engineers, architects and support teams and has a 50/50 split for hands on /hands off.

Key Responsibilities:

• Support defining and delivering the Performance Test Strategy
• Guide and mentor teams, driving best practice
• Carry out proof of concepts on new Tools/Technologies
• Work with third-party vendors and internal squads to embed QE practices into the SDLC and enable early performance testing
• Support in resolving technical challenges faced by project/product teams
• Refine NFR’s where needed and contribute to the wider NFR gathering process
• Support creating new ways of working/processes as we move into our new operating model

What You Bring

We’re looking for someone who can lead a small team to drive change and standards across all of Asda Technology.

You’ll likely have:

• Experience using and managing a variety of Performance Test Tools, such as LoadRunner, JMeter & K6
• Experience troubleshooting performance and scalability issues in both Production and Non-Production environments
• Experience working with Cloud technologies (ideally Microsoft Azure)
• Hands on use of monitoring and observability tools such as Application Insights and New Relic
• Experience with various query languages such as SQL, KQL, Lucene, NRQL to analyse logs and metrics for modelling and troubleshooting would be beneficial
• Knowledge of testing in differing SDLC models and Shift Left principles
• Strong communication and leadership skills

We welcome applications from candidates seeking part-time hours, flexible working arrangements, or job share opportunities.

If you have any questions about the role, then please email [email protected]

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

• Company Car allowance of £5,700

• 15% colleague discount in store and online

• Free access to wellbeing services such as Stream, 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.

We want all colleagues to be able to bring their best and true selves to work, every day. Simply put, we want our colleagues to be Proud to be Asda and proud to be themselves