Period
to 19 June 2018

The following table provides summary statistics for contract job vacancies advertised in Slough 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 June 2018 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)
Berkshire > Slough
6 months to
19 Jun 2018
Same period 2017 Same period 2016
Rank 32 23 38
Rank change year-on-year -9 +15 -6
Contract jobs citing TDD 5 8 5
As % of all contract IT jobs advertised in Slough 1.85% 2.92% 1.33%
As % of the Processes & Methodologies category 2.25% 3.62% 1.62%
Number of daily rates quoted 5 9 3
Slough median daily rate £450 £340 £325
Median daily rate % change year-on-year +32.35% +4.62% -18.75%
Berkshire median daily rate £375 £413 £375
% change year-on-year -9.09% +10.00% -
Number of hourly rates quoted 0 0 1
Slough median hourly rate - - £175.00
Berkshire median hourly rate £8.00 - £107.50

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 Slough with a requirement for process or methodology skills.

All Process and Methodology Skills
Slough
Contract vacancies with a requirement for process or methodology skills 222 221 309
As % of all contract IT jobs advertised in Slough 81.92% 80.66% 82.18%
Number of daily rates quoted 146 159 190
Slough median daily rate £413 £425 £400
Median daily rate % change year-on-year -2.94% +6.25% +14.29%
10th Percentile £221 £254 £250
90th Percentile £538 £613 £525
Berkshire median daily rate £425 £425 £400
% change year-on-year - +6.25% +5.26%
Number of hourly rates quoted 1 5 9
Slough median hourly rate £21.00 £14.00 £15.00
Median hourly rate % change year-on-year +50.00% -6.67% -17.81%
Berkshire median hourly rate £20.50 £15.50 £17.00
% change year-on-year +32.26% -8.82% -21.11%

TDD
Job Vacancy Trend in Slough

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

Job vacancy trend for TDD in Slough

TDD
Contractor Daily Rate Trend in Slough

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing TDD in Slough.

Contractor daily rate trend for TDD in Slough

For the 6 months to 19 June 2018, IT contractor jobs citing TDD also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the Slough region with a requirement for TDD.

1 5 (100.00%) Agile Software Development
2 4 (80.00%) JavaScript
2 4 (80.00%) RESTful
2 4 (80.00%) Mobile App
2 4 (80.00%) Mobile Application Development
2 4 (80.00%) React
2 4 (80.00%) React Native
2 4 (80.00%) Front End Development
3 1 (20.00%) E-Commerce
3 1 (20.00%) Spring
3 1 (20.00%) Java

TDD
Co-occurring IT Skills in Slough by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Job Titles
1 5 (100.00%) Developer
2 4 (80.00%) Front End Developer (Client-Side Developer)
2 4 (80.00%) React Developer
3 1 (20.00%) Java Developer
Libraries, Frameworks & Software Standards
1 4 (80.00%) React
1 4 (80.00%) React Native
1 4 (80.00%) RESTful
2 1 (20.00%) Spring
Miscellaneous
1 4 (80.00%) Mobile App
Processes & Methodologies
1 5 (100.00%) Agile Software Development
2 4 (80.00%) Front End Development
2 4 (80.00%) Mobile Application Development
3 1 (20.00%) E-Commerce
Programming Languages
1 4 (80.00%) JavaScript
2 1 (20.00%) Java