Test-Driven Development (TDD)
UK > Wales
The table below provides summary statistics for permanent job vacancies advertised in Wales requiring TDD skills. It includes a benchmarking guide to the annual salaries offered in vacancies that cited TDD over the 6 months leading up to 19 July 2025, comparing them to the same period in the previous two years.
| 6 months to 19 Jul 2025 |
Same period 2024 | Same period 2023 | |
|---|---|---|---|
| Rank | 70 | 87 | 94 |
| Rank change year-on-year | +17 | +7 | -36 |
| Permanent jobs citing TDD | 8 | 24 | 47 |
| As % of all permanent jobs advertised in Wales | 0.48% | 1.12% | 2.69% |
| As % of the Processes & Methodologies category | 0.60% | 1.56% | 2.78% |
| Number of salaries quoted | 8 | 24 | 23 |
| 10th Percentile | £64,359 | - | - |
| 25th Percentile | £65,000 | £40,000 | £26,250 |
| Median annual salary (50th Percentile) | £70,000 | £53,750 | £27,500 |
| Median % change year-on-year | +30.23% | +95.45% | -53.52% |
| 75th Percentile | £75,787 | £69,013 | £55,250 |
| 90th Percentile | £80,500 | £76,458 | £63,500 |
| UK median annual salary | £70,000 | £65,000 | £70,000 |
| % change year-on-year | +7.69% | -7.14% | +7.69% |
All Process and Methodology Skills
Wales
TDD 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 | 1,327 | 1,543 | 1,688 |
| As % of all permanent jobs advertised in Wales | 79.99% | 71.87% | 96.68% |
| Number of salaries quoted | 861 | 1,072 | 810 |
| 10th Percentile | - | £26,500 | £26,250 |
| 25th Percentile | £25,087 | £35,000 | £33,737 |
| Median annual salary (50th Percentile) | £36,000 | £45,000 | £45,000 |
| Median % change year-on-year | -20.00% | - | -10.00% |
| 75th Percentile | £62,000 | £60,000 | £62,500 |
| 90th Percentile | £73,750 | £70,000 | £72,500 |
| UK median annual salary | £55,000 | £55,000 | £60,249 |
| % change year-on-year | - | -8.71% | +0.42% |
TDD
Job Vacancy Trend in Wales
Job postings citing TDD as a proportion of all IT jobs advertised in Wales.
TDD
Salary Trend in Wales
3-month moving average salary quoted in jobs citing TDD in Wales.
TDD
Salary Histogram in Wales
Salary distribution for jobs citing TDD in Wales over the 6 months to 19 July 2025.
TDD
Job Locations in Wales
The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing TDD within the Wales region over the 6 months to 19 July 2025. 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 |
|---|---|---|---|---|---|
| South Wales | +15 | 7 | £70,000 | +7.69% | 14 |
| TDD UK |
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TDD
Co-occurring Skills and Capabilities in Wales by Category
The follow tables expand on the table above by listing co-occurrences grouped by category. The same employment type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories: