▼4%
£57,129
Avg. Base Salary (GBP)
/ year
Avg. Base Salary (GBP)
10%
£40k
MEDIAN
£57k
90%
£97k
The average salary for a Senior Software Development Engineer, Test (SDET) is £57,129 in 2025
Base Salary
£40k - £97k
Bonus
£0 - £1k
Total Pay
£40k - £97k
Is Average Senior Software Development Engineer, Test (SDET) with Test Automation Skills Salary in United Kingdom your job title? Find out what you should be paid
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What is the Pay by Experience Level for Senior Software Development Engineer, Test (SDET)s?
▲14%
What Do Senior Software Development Engineer, Test (SDET)s Do?
Find your market worth – how it works:
Common Health Benefits for a Senior Software Development Engineer, Test (SDET)
Medical
83%
Dental
50%
Vision
33%
None
17%
Gender Breakdown for Senior Software Development Engineer, Test (SDET)s
Male
100.0%
This data is based on 5 survey responses. Learn more about the gender pay gap.
FAQs About Senior Software Development Engineer, Test (SDET)s
What is the highest pay for Senior Software Development Engineer, Test (SDET)s?
Our data indicates that the highest pay for a Senior Software Development Engineer, Test (SDET) is £97k / year
What is the lowest pay for Senior Software Development Engineer, Test (SDET)s?
Our data indicates that the lowest pay for a Senior Software Development Engineer, Test (SDET) is £40k / year
How can Senior Software Development Engineer, Test (SDET)s increase their salary?
Increasing your pay as a Senior Software Development Engineer, Test (SDET) is possible in different ways. Change of employer: Consider a career move to a new employer that is willing to pay higher for your skills. Level of Education: Gaining advanced degrees may allow this role to increase their income potential and qualify for promotions. Managing Experience: If you are a Senior Software Development Engineer, Test (SDET) that oversees more junior Senior Software Development Engineer, Test (SDET)s, this experience can increase the likelihood to earn more.