Software Development Engineer in Test (SDET)
England > South West
The table below provides summary statistics and salary benchmarking for jobs advertised in the South West requiring SDET skills. It covers permanent job vacancies from the 6 months leading up to 6 January 2026, with comparisons to the same periods in the previous two years.
| 6 months to 6 Jan 2026 |
Same period 2025 | Same period 2024 | |
|---|---|---|---|
| Rank | 181 | 189 | 213 |
| Rank change year-on-year | +8 | +24 | +58 |
| Permanent jobs citing SDET | 1 | 2 | 3 |
| As % of all permanent jobs in the South West | 0.020% | 0.047% | 0.066% |
| As % of the Processes & Methodologies category | 0.028% | 0.055% | 0.073% |
| Number of salaries quoted | 1 | 2 | 3 |
| 10th Percentile | - | - | £37,000 |
| 25th Percentile | £50,000 | £50,000 | £38,125 |
| Median annual salary (50th Percentile) | £55,000 | £55,000 | £40,000 |
| Median % change year-on-year | - | +37.50% | -23.81% |
| 75th Percentile | £60,000 | £60,000 | £51,250 |
| 90th Percentile | - | - | £58,000 |
| England median annual salary | £60,000 | £77,500 | £95,000 |
| % change year-on-year | -22.58% | -18.42% | +31.03% |
All Process & Methodology Skills
South West
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 the South West.
| Permanent vacancies with a requirement for process or methodology skills | 3,629 | 3,610 | 4,107 |
| As % of all permanent jobs advertised in the South West | 72.06% | 84.88% | 90.40% |
| Number of salaries quoted | 2,472 | 1,833 | 3,117 |
| 10th Percentile | £27,750 | £30,000 | £30,500 |
| 25th Percentile | £34,000 | £40,000 | £40,619 |
| Median annual salary (50th Percentile) | £50,000 | £55,000 | £52,500 |
| Median % change year-on-year | -9.09% | +4.76% | +3.36% |
| 75th Percentile | £66,250 | £68,750 | £67,500 |
| 90th Percentile | £80,000 | £81,250 | £81,250 |
| England median annual salary | £55,000 | £60,000 | £60,000 |
| % change year-on-year | -8.33% | - | -4.00% |
SDET
Job Vacancy Trend in the South West
Historical trend showing the proportion of permanent IT job postings citing SDET relative to all permanent IT jobs advertised in the South West.
SDET
Salary Trend in the South West
Salary distribution trend for jobs in the South West citing SDET.
SDET
Co-Occurring Skills & Capabilities in the South West 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: