SDET Job Trends in Wales

Software Development Engineer in Test (SDET)
UK > Wales

The table below provides summary statistics and salary benchmarking for jobs advertised in Wales requiring SDET skills. It covers permanent job vacancies from the 6 months leading up to 20 June 2026, with comparisons to the same periods in the previous two years.

6 months to
20 Jun 2026
Same period 2025 Same period 2024
Rank 100 - -
Rank change year-on-year - - -
Permanent jobs citing SDET 7 0 0
As % of all permanent jobs in Wales 0.35% - -
As % of the Processes & Methodologies category 0.54% - -
Number of salaries quoted 1 0 0
10th Percentile - - -
25th Percentile £41,250 - -
Median annual salary (50th Percentile) £42,500 - -
75th Percentile £43,750 - -
90th Percentile - - -
UK median annual salary £55,000 £61,500 £65,000
% change year-on-year -10.57% -5.38% -13.33%

All Process & Methodology Skills
Wales

SDET falls under the Processes and Methodologies category. For comparison with the information above, the following table provides summary statistics for all permanent job vacancies requiring process or methodology skills in Wales.

Permanent vacancies with a requirement for process or methodology skills 1,287 469 1,561
As % of all permanent jobs advertised in Wales 64.51% 84.35% 71.05%
Number of salaries quoted 897 299 1,198
10th Percentile £30,000 £25,438 £27,500
25th Percentile £36,750 £32,851 £35,000
Median annual salary (50th Percentile) £50,000 £52,000 £45,000
Median % change year-on-year -3.85% +15.56% -
75th Percentile £65,000 £67,500 £60,000
90th Percentile £76,201 £78,750 £70,000
UK median annual salary £60,000 £57,500 £55,000
% change year-on-year +4.35% +4.55% -9.54%

SDET
Job Vacancy Trend in Wales

Historical trend showing the proportion of permanent IT job postings citing SDET relative to all permanent IT jobs advertised in Wales.

SDET job vacancy trend in Wales

SDET
Salary Trend in Wales

Salary distribution trend for jobs in Wales citing SDET.

Salary distribution trend for jobs in Wales citing SDET

SDET
Job Locations in Wales

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing SDET within the Wales region over the 6 months to 20 June 2026. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Jobs
West Wales - 7 £42,500 - 1
SDET
UK

SDET
Co-Occurring Skills & Capabilities in Wales by Category

The following tables expand on the one above by listing co-occurrences grouped by category. They cover the same employment type, locality and period, with up to 20 co-occurrences shown in each category:

Cloud Services
1 3 (42.86%) Serverless
2 1 (14.29%) AWS
2 1 (14.29%) AWS Lambda
2 1 (14.29%) GitHub
2 1 (14.29%) GitHub Actions
Development Applications
1 1 (14.29%) Burp Suite
1 1 (14.29%) Cucumber
1 1 (14.29%) Cypress.io
1 1 (14.29%) Gatling
1 1 (14.29%) Jenkins
1 1 (14.29%) JIRA
1 1 (14.29%) JMeter
1 1 (14.29%) Pa11y
1 1 (14.29%) Postman
1 1 (14.29%) REST Assured
1 1 (14.29%) Selenium
1 1 (14.29%) Zephyr
General
1 1 (14.29%) Public Sector
Job Titles
1 7 (100.00%) Development Engineer
1 7 (100.00%) Software Development Engineer
1 7 (100.00%) Software Engineer
1 7 (100.00%) Test Development Engineer
Libraries, Frameworks & Software Standards
1 1 (14.29%) GraphQL
1 1 (14.29%) Node.js
1 1 (14.29%) Playwright
1 1 (14.29%) REST
1 1 (14.29%) Ruby on Rails
1 1 (14.29%) Spring Boot
Miscellaneous
1 1 (14.29%) Product Ownership
Processes & Methodologies
1 7 (100.00%) Continuous Integration
1 7 (100.00%) Software Engineering
1 7 (100.00%) Software Testing
1 7 (100.00%) Test Automation
2 3 (42.86%) Agile
3 1 (14.29%) Acceptance Criteria
3 1 (14.29%) AI
3 1 (14.29%) API Testing
3 1 (14.29%) BDD
3 1 (14.29%) Defect Management
3 1 (14.29%) Load Testing
3 1 (14.29%) Microservices
3 1 (14.29%) OWASP
3 1 (14.29%) Performance Testing
3 1 (14.29%) Portfolio Management
3 1 (14.29%) Security Testing
3 1 (14.29%) Strategic Planning
3 1 (14.29%) Test Management
3 1 (14.29%) Test Strategy
3 1 (14.29%) Vulnerability Scanning
Programming Languages
1 1 (14.29%) Java
1 1 (14.29%) JavaScript
1 1 (14.29%) Ruby
Qualifications
1 1 (14.29%) ISTQB
1 1 (14.29%) ISTQB Advanced Certification
Quality Assurance & Compliance
1 1 (14.29%) Accessibility
1 1 (14.29%) WCAG