Test-Driven Development (TDD)
UK
The table below provides summary statistics for contract job vacancies requiring TDD skills. It includes a benchmarking guide to the contractor rates offered in vacancies that cited TDD over the 6 months leading up to 30 April 2025, comparing them to the same period in the previous two years.
| 6 months to 30 Apr 2025 |
Same period 2024 | Same period 2023 | |
|---|---|---|---|
| Rank | 150 | 127 | 75 |
| Rank change year-on-year | -23 | -52 | -19 |
| Contract jobs citing TDD | 560 | 787 | 1,894 |
| As % of all contract jobs advertised in the UK | 1.92% | 1.81% | 3.17% |
| As % of the Processes & Methodologies category | 2.11% | 2.09% | 3.53% |
| Number of daily rates quoted | 393 | 523 | 1,414 |
| 10th Percentile | £380 | £363 | £450 |
| 25th Percentile | £435 | £456 | £511 |
| Median daily rate (50th Percentile) | £525 | £550 | £600 |
| Median % change year-on-year | -4.55% | -8.33% | +4.35% |
| 75th Percentile | £663 | £700 | £738 |
| 90th Percentile | £800 | £835 | £813 |
| UK excluding London median daily rate | £480 | £500 | £550 |
| % change year-on-year | -4.00% | -9.09% | +10.00% |
| Number of hourly rates quoted | 5 | 48 | 45 |
| 10th Percentile | £35.63 | - | £57.75 |
| 25th Percentile | £61.25 | £61.25 | £65.00 |
| Median hourly rate | £65.00 | £65.00 | £67.00 |
| Median % change year-on-year | - | -2.99% | +2.29% |
| 75th Percentile | - | - | £75.00 |
| 90th Percentile | - | - | - |
| UK excluding London median hourly rate | £65.00 | £65.00 | £65.00 |
| % change year-on-year | - | - | +2.18% |
All Process and Methodology Skills
UK
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 requiring process or methodology skills.
| Contract vacancies with a requirement for process or methodology skills | 26,551 | 37,621 | 53,662 |
| As % of all contract IT jobs advertised in the UK | 90.82% | 86.30% | 89.91% |
| Number of daily rates quoted | 17,137 | 24,254 | 37,244 |
| 10th Percentile | £308 | £300 | £325 |
| 25th Percentile | £413 | £413 | £438 |
| Median daily rate (50th Percentile) | £521 | £525 | £550 |
| Median % change year-on-year | -0.86% | -4.55% | +4.76% |
| 75th Percentile | £630 | £638 | £650 |
| 90th Percentile | £744 | £750 | £750 |
| UK excluding London median daily rate | £481 | £500 | £500 |
| % change year-on-year | -3.80% | - | +5.26% |
| Number of hourly rates quoted | 1,071 | 2,437 | 1,746 |
| 10th Percentile | £14.70 | £12.75 | £11.00 |
| 25th Percentile | £18.50 | £16.00 | £16.25 |
| Median hourly rate | £29.00 | £35.50 | £37.30 |
| Median % change year-on-year | -18.31% | -4.83% | +49.20% |
| 75th Percentile | £62.00 | £59.95 | £65.00 |
| 90th Percentile | £75.00 | £72.50 | £75.00 |
| UK excluding London median hourly rate | £27.94 | £36.50 | £36.00 |
| % change year-on-year | -23.45% | +1.39% | +80.00% |
TDD
Job Vacancy Trend
Job postings citing TDD as a proportion of all IT jobs advertised.
TDD
Contractor Daily Rate Trend
3-month moving average daily rate quoted in jobs citing TDD.
TDD
Daily Rate Histogram
Daily rate distribution for jobs citing TDD over the 6 months to 30 April 2025.
TDD
Contractor Hourly Rate Trend
3-month moving average hourly rates quoted in jobs citing TDD.
TDD
Hourly Rate Histogram
Hourly rate distribution of jobs citing TDD over the 6 months to 30 April 2025.
TDD
Top 16 Contract Locations
The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing TDD within the UK over the 6 months to 30 April 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 Contract IT Job Ads |
Median Daily Rate Past 6 Months |
Median Daily Rate % Change on Same Period Last Year |
Live Jobs |
|---|---|---|---|---|---|
| England | -27 | 456 | £534 | -7.22% | 556 |
| London | -42 | 281 | £620 | +3.25% | 248 |
| UK excluding London | +24 | 204 | £480 | -4.00% | 346 |
| Work from Home | +11 | 192 | £534 | +6.70% | 411 |
| North of England | +48 | 82 | £502 | -8.82% | 156 |
| Yorkshire | +23 | 37 | £520 | -12.28% | 32 |
| North West | +20 | 36 | £525 | - | 115 |
| Scotland | +5 | 35 | £455 | -1.62% | 28 |
| Midlands | +40 | 28 | £461 | +6.03% | 47 |
| West Midlands | +26 | 21 | £460 | +2.22% | 30 |
| South East | +7 | 21 | £500 | +5.26% | 49 |
| South West | +35 | 16 | £373 | -34.79% | 27 |
| East of England | -6 | 16 | £489 | -0.80% | 29 |
| North East | +6 | 10 | £480 | +28.00% | 10 |
| East Midlands | +16 | 7 | £463 | +16.35% | 17 |
| Wales | - | 6 | £395 | - | 9 |
TDD
Co-occurring Skills and Capabilities 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:
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