▼14%
£58,302
Avg. Base Salary (GBP)
/ year
Avg. Base Salary (GBP)
10%
£40k
MEDIAN
£58k
90%
£77k
The average salary for a Senior Software Development Engineer, Test (SDET) is £58,302 in 2025
Base Salary
£40k - £77k
Bonus
£983 - £3k
Total Pay
£41k - £77k
Is Average Senior Software Development Engineer, Test (SDET) 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?
What Do Senior Software Development Engineer, Test (SDET)s Do?
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Common Health Benefits for a Senior Software Development Engineer, Test (SDET)
Medical
70%
Dental
50%
Vision
30%
None
30%
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 £77k / 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.