Test-Driven Development (TDD)
Hertfordshire > Welwyn Garden City
The table below provides summary statistics and contractor rates for jobs advertised in Welwyn Garden City requiring TDD skills. It covers contract job vacancies from the 6 months leading up to 9 June 2026, with comparisons to the same periods in the previous two years.
|
|
6 months to 9 Jun 2026 |
Same period 2025 | Same period 2024 |
|---|---|---|---|
| Rank | - | - | 7 |
| Rank change year-on-year | - | - | - |
| Contract jobs citing TDD | 0 | 0 | 1 |
| As % of all contract jobs in Welwyn Garden City | - | - | 7.14% |
| As % of the Processes & Methodologies category | - | - | 7.69% |
| Number of daily rates quoted | 0 | 0 | 0 |
| Median daily rate (50th Percentile) | - | - | - |
| Hertfordshire median daily rate | £625 | £490 | £550 |
| % change year-on-year | +27.55% | -10.91% | +29.41% |
All Process & Methodology Skills
Welwyn Garden City
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 in Welwyn Garden City.
| Contract vacancies with a requirement for process or methodology skills | 19 | 23 | 13 |
| As % of all contract IT jobs advertised in Welwyn Garden City | 95.00% | 92.00% | 92.86% |
| Number of daily rates quoted | 11 | 4 | 3 |
| 10th Percentile | £525 | £476 | £313 |
| 25th Percentile | £600 | £516 | £388 |
| Median daily rate (50th Percentile) | £675 | £625 | £525 |
| Median % change year-on-year | +8.00% | +19.05% | +5.00% |
| 75th Percentile | £750 | £713 | £569 |
| 90th Percentile | - | £758 | £588 |
| Hertfordshire median daily rate | £510 | £550 | £400 |
| % change year-on-year | -7.27% | +37.50% | -20.00% |
| Number of hourly rates quoted | 0 | 9 | 0 |
| Median hourly rate | - | £18.82 | - |
| Hertfordshire median hourly rate | £50.00 | £62.00 | £50.00 |
| % change year-on-year | -19.35% | +24.00% | -20.00% |
TDD
Job Vacancy Trend in Welwyn Garden City
Historical trend showing the proportion of contract IT job postings citing TDD relative to all contract IT jobs advertised in Welwyn Garden City.
TDD
Daily Rate Trend in Welwyn Garden City
Contractor daily rate distribution trend for jobs in Welwyn Garden City citing TDD.
