TDD Contract Job Trends in Wales
Test-Driven Development (TDD)
UK > Wales
The table below provides summary statistics and contractor rates for jobs advertised in Wales citing TDD skills. It covers contract job vacancies from the 6 months leading up to 30 October 2026, with comparisons to the same periods in the previous two years.
| 6 months to 30 Oct 2026 |
Same period 2025 | Same period 2024 | |
|---|---|---|---|
| Rank | 51 | - | 44 |
| Rank change year-on-year | - | - | +9 |
| Contract jobs citing TDD | 7 | 0 | 2 |
| As % of all contract jobs in Wales | 1.05% | - | 0.45% |
| As % of the Processes & Methodologies category | 1.45% | - | 0.57% |
| Number of daily rates quoted | 7 | 0 | 2 |
| 10th Percentile | £394 | - | £198 |
| 25th Percentile | £406 | - | £200 |
| Median daily rate (50th Percentile) | £413 | - | £204 |
| Median % change year-on-year | - | - | -1.57% |
| 75th Percentile | £550 | - | £207 |
| 90th Percentile | £675 | - | £209 |
| UK median daily rate | £475 | £525 | £550 |
| % change year-on-year | -9.52% | -4.55% | -8.33% |
All Process & 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 contract job vacancies citing process or methodology skills in Wales.
| 6 months to 30 Oct 2026 |
Same period 2025 | Same period 2024 | |
|---|---|---|---|
| Contract vacancies citing process or methodology skills | 484 | 349 | 350 |
| As % of all contract jobs advertised in Wales | 72.35% | 84.10% | 78.30% |
| Number of daily rates quoted | 281 | 198 | 195 |
| 10th Percentile | £240 | £190 | £140 |
| 25th Percentile | £331 | £268 | £210 |
| Median daily rate (50th Percentile) | £475 | £405 | £425 |
| Median % change year-on-year | +17.28% | -4.71% | -1.45% |
| 75th Percentile | £575 | £495 | £550 |
| 90th Percentile | £675 | £646 | £650 |
| UK median daily rate | £525 | £500 | £525 |
| % change year-on-year | +5.00% | -4.76% | -2.33% |
| Number of hourly rates quoted | 84 | 68 | 47 |
| 10th Percentile | £13.73 | £14.23 | £15.48 |
| 25th Percentile | - | £17.20 | £20.12 |
| Median hourly rate | £14.10 | £20.50 | £25.18 |
| Median % change year-on-year | -31.22% | -18.59% | -7.31% |
| 75th Percentile | £43.96 | £25.15 | £40.00 |
| 90th Percentile | £73.55 | £26.07 | £49.25 |
| UK median hourly rate | £35.00 | £25.15 | £36.08 |
| % change year-on-year | +39.17% | -30.30% | -17.73% |
TDD Job Vacancy Trend in Wales
Historical trend showing the proportion of contract IT job postings citing TDD relative to all contract IT jobs advertised in Wales.
TDD Daily Rate Trend in Wales
Contractor daily rate distribution trend for jobs in Wales citing TDD.
TDD Daily Rate Histogram in Wales
Daily rate distribution for jobs citing TDD in Wales over the 6 months to 30 October 2026.
TDD Hourly Rate Trend in Wales
Contractor hourly rate distribution trend for jobs in Wales citing TDD.
TDD Contract Job Locations in Wales
The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing TDD within the Wales region over the 6 months to 30 October 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 |
Job Ads Past 6 Months |
Median Daily Rate Past 6 Months |
Median Daily Rate % Change on Same Period Last Year |
Live Jobs |
|---|---|---|---|---|---|
| West Wales | - | 5 | £413 | - | 2 |
| South Wales | - | 2 | £650 | - | 4 |
| TDD UK |
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TDD Co-Occurring Skills & Capabilities in Wales by Category
The table below expands on the one above by listing co-occurrences one category at a time. It covers the same employment type, locality and period, with up to 20 co-occurrences in each category.
Processes & Methodologies
| Rank | Skill | Share | Job Ads |
|---|---|---|---|
| 1 | Agile | 100.0% | 7 |
| 1 | Microservices | 100.0% | 7 |
| 3 | BDD | 85.7% | 6 |
| 4 | CI/CD | 71.4% | 5 |
| 4 | Clean Code | 71.4% | 5 |
| 4 | Infrastructure as Code | 71.4% | 5 |
| 4 | Observability | 71.4% | 5 |
| 4 | Test Automation | 71.4% | 5 |
| 9 | Acceptance Criteria | 57.1% | 4 |
| 9 | API Integration | 57.1% | 4 |
| 9 | Digital Transformation Programme | 57.1% | 4 |
| 9 | Inclusive Design | 57.1% | 4 |
| 9 | Mentoring | 57.1% | 4 |
| 9 | Proactive Monitoring | 57.1% | 4 |
| 9 | User Experience | 57.1% | 4 |
| 9 | User-Centered Design (UCD) | 57.1% | 4 |
| 17 | Containerisation | 42.9% | 3 |
| 17 | Design Patterns | 42.9% | 3 |
| 17 | Scrum | 42.9% | 3 |
| 17 | Software Engineering | 42.9% | 3 |