Period
to 19 November 2017

The following table provides summary statistics for contract job vacancies advertised in Salisbury with a requirement for TDD skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited TDD over the 6 months to 19 November 2017 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Test-Driven Development (TDD)
Wiltshire > Salisbury
6 months to
19 Nov 2017
Same period 2016 Same period 2015
Rank - 11 13
Contract jobs citing TDD 0 1 2
As % of all contract IT jobs advertised in Salisbury - 2.86% 4.17%
As % of the Processes & Methodologies category - 3.57% 4.76%
Number of daily rates quoted 0 0 0
Salisbury median daily rate - - -
Wiltshire median daily rate £388 £345 £325
% change year-on-year +12.32% +6.15% +1.56%
Number of hourly rates quoted 0 0 2
Salisbury median hourly rate - - £29.00
Wiltshire median hourly rate - - £29.00

TDD is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Salisbury with a requirement for process or methodology skills.

All Process and Methodology Skills
Salisbury
Contract vacancies with a requirement for process or methodology skills 30 28 42
As % of all contract IT jobs advertised in Salisbury 100.00% 80.00% 87.50%
Number of daily rates quoted 22 21 26
Salisbury median daily rate £375 £365 £330
Median daily rate % change year-on-year +2.74% +10.61% -3.65%
10th Percentile £107 £263 £173
90th Percentile £523 £535 £430
Wiltshire median daily rate £425 £400 £385
% change year-on-year +6.25% +3.90% -3.75%
Number of hourly rates quoted 0 1 7
Salisbury median hourly rate - £11.72 £32.50
Median hourly rate % change year-on-year - -63.94% +14.04%
Wiltshire median hourly rate £33.50 £38.50 £34.00
% change year-on-year -12.99% +13.24% +21.43%

TDD
Job Vacancy Trend in Salisbury

Job postings citing TDD as a percentage of all IT jobs advertised in Salisbury.

Job vacancy trend for TDD in Salisbury