Period
to 23 November 2017

The following table provides summary statistics for contract job vacancies advertised in Stoke-on-Trent 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 23 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)
Staffordshire > Stoke-on-Trent
6 months to
23 Nov 2017
Same period 2016 Same period 2015
Rank 14 21 23
Rank change year-on-year +7 +2 -5
Contract jobs citing TDD 9 4 1
As % of all contract IT jobs advertised in Stoke-on-Trent 8.91% 2.60% 1.43%
As % of the Processes & Methodologies category 12.00% 2.88% 1.67%
Number of daily rates quoted 0 2 1
Stoke-on-Trent median daily rate - £375 £338
Median daily rate % change year-on-year - +11.11% -3.57%
Staffordshire median daily rate £368 £350 £338
% change year-on-year +5.00% +3.70% +5.47%
Number of hourly rates quoted 0 0 0
Stoke-on-Trent median hourly rate - - -
Staffordshire median hourly rate - - -

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 Stoke-on-Trent with a requirement for process or methodology skills.

All Process and Methodology Skills
Stoke-on-Trent
Contract vacancies with a requirement for process or methodology skills 75 139 60
As % of all contract IT jobs advertised in Stoke-on-Trent 74.26% 90.26% 85.71%
Number of daily rates quoted 56 87 41
Stoke-on-Trent median daily rate £400 £350 £358
Median daily rate % change year-on-year +14.29% -2.10% +4.00%
10th Percentile £242 £158 £263
90th Percentile £488 £515 £430
Staffordshire median daily rate £365 £350 £363
% change year-on-year +4.29% -3.45% +11.54%
Number of hourly rates quoted 3 7 4
Stoke-on-Trent median hourly rate £14.50 £25.00 £14.43
Median hourly rate % change year-on-year -42.00% +73.31% -5.41%
10th Percentile £11.32 £25.00 £12.35
90th Percentile £18.75 £25.00 £18.33
Staffordshire median hourly rate £14.50 £25.00 £14.40
% change year-on-year -42.00% +73.61% +15.20%

TDD
Job Vacancy Trend in Stoke-on-Trent

Job postings citing TDD as a percentage of all IT jobs advertised in Stoke-on-Trent.

Job vacancy trend for TDD in Stoke-on-Trent

TDD
Contractor Daily Rate Trend in Stoke-on-Trent

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

Contractor daily rate trend for TDD in Stoke-on-Trent

For the 6 months to 23 November 2017, IT contractor jobs citing TDD also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the Stoke-on-Trent region with a requirement for TDD.

1 9 (100.00%) C#
1 9 (100.00%) HTML
1 9 (100.00%) .NET
1 9 (100.00%) SQL Server
1 9 (100.00%) CSS
1 9 (100.00%) MVC
1 9 (100.00%) Dependency Injection
1 9 (100.00%) BDD
1 9 (100.00%) SpecFlow
1 9 (100.00%) TypeScript
2 7 (77.78%) ASP.NET Web Forms
3 5 (55.56%) OOA/OOD
3 5 (55.56%) Unit Testing
3 5 (55.56%) Web Development
3 5 (55.56%) HTML5
3 5 (55.56%) Responsive Web Design
3 5 (55.56%) Sass
3 5 (55.56%) jQuery
4 4 (44.44%) Castle Windsor
4 4 (44.44%) .NET Framework
4 4 (44.44%) Continuous Integration
4 4 (44.44%) Internet
5 3 (33.33%) SQL
5 3 (33.33%) VB.NET
6 2 (22.22%) Front End Development

TDD
Co-occurring IT Skills in Stoke-on-Trent 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:

Communications & Networking
1 4 (44.44%) Internet
Database & Business Intelligence
1 9 (100.00%) SQL Server
Development Applications
1 9 (100.00%) SpecFlow
Job Titles
1 9 (100.00%) C# Developer
1 9 (100.00%) Developer
2 7 (77.78%) C# Software Developer
2 7 (77.78%) Software Developer
3 3 (33.33%) .NET Developer
3 3 (33.33%) .NET Software Developer
3 3 (33.33%) ASP.NET MVC Developer
3 3 (33.33%) C# .NET Developer
3 3 (33.33%) C# Web Developer
3 3 (33.33%) SQL Developer
3 3 (33.33%) Web Developer
4 2 (22.22%) HTML CSS Developer
4 2 (22.22%) HTML Developer
Libraries, Frameworks & Software Standards
1 9 (100.00%) .NET
1 9 (100.00%) CSS
1 9 (100.00%) HTML
2 7 (77.78%) ASP.NET Web Forms
3 5 (55.56%) HTML5
3 5 (55.56%) jQuery
3 5 (55.56%) Sass
4 4 (44.44%) .NET Framework
4 4 (44.44%) Castle Windsor
Processes & Methodologies
1 9 (100.00%) BDD
1 9 (100.00%) Dependency Injection
1 9 (100.00%) MVC
2 5 (55.56%) OOA/OOD
2 5 (55.56%) Responsive Web Design
2 5 (55.56%) Unit Testing
2 5 (55.56%) Web Development
3 4 (44.44%) Continuous Integration
4 2 (22.22%) Front End Development
Programming Languages
1 9 (100.00%) C#
1 9 (100.00%) TypeScript
2 3 (33.33%) SQL
2 3 (33.33%) VB.NET