The table below looks at the statistics for TDD skills in IT contracts advertised for the Birmingham region. Included is a guide to the average contractor rates offered in IT contracts that have cited TDD over the 3 months to 30 June 2015 with a comparison to the same period in the previous 2 years.

Note that daily contractor rates and hourly contractor rates are treated separately. When calculating average contractor rates, daily rates are not derived from quoted hourly rates or vice versa.

Location
3 months to
30 Jun 2015
Same period 2014 Same period 2013
Test-Driven Development (TDD)
Rank 22 47 50
Rank change year-on-year
+25 +3
Contract jobs citing TDD 51 10 2
As % of all contract IT jobs located in Birmingham 6.99% 1.50% 0.39%
As % of the Processes & Methodologies category 9.38% 2.07% 0.55%
Number of daily rates quoted 37 7 2
Average daily rate
Keep up to 90%
of your Daily Rate
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£363 £400 £393
Average daily rate % change year-on-year
-9.37% +1.91%
90% offered a daily rate of more than £325 £347 £367
10% offered a daily rate of more than £385 £410 £419
UK excluding London average daily rate £375 £375 £350
% change year-on-year
- +7.14%
Number of hourly rates quoted 0 0 0
Average hourly rate - - -
UK excluding London average hourly rate £45.00 £59.50 £39.00
% change year-on-year
-24.36% +52.56%
TDD
West Midlands

The following table is for comparison with the above and provides statistics for the entire Processes & Methodologies category in contract jobs advertised in the Birmingham region.

Processes & Methodologies Category
Birmingham
Contract IT job ads with a match in the
Processes & Methodologies category
544 484 362
As % of all contract IT jobs located in Birmingham 74.52% 72.67% 70.02%
Number of daily rates quoted 366 306 190
Average daily rate £375 £363 £375
Average daily rate % change year-on-year
+3.44% -3.33%
90% offered a daily rate of more than £275 £263 £293
10% offered a daily rate of more than £500 £501 £480
UK excluding London average daily rate £388 £375 £365
% change year-on-year
+3.33% +2.73%
Number of hourly rates quoted 13 16 6
Average hourly rate £26.50 £18.00 £175.00
Average hourly rate % change year-on-year
+47.22% -89.71%
UK excluding London average hourly rate £30.00 £30.00 £30.50
% change year-on-year
- -1.63%

TDD
Jobs Demand Trend in Birmingham

This chart provides a 3-month moving total of IT contractor jobs citing TDD across the Birmingham region as a proportion of the total demand within the Processes & Methodologies category.

TDD Jobs Demand Trend in Birmingham

TDD
Daily Rate Trend in Birmingham

This chart provides the 3-month moving average for daily rates quoted in IT contract jobs citing TDD across the Birmingham region.

TDD Daily Rate Trend in Birmingham

TDD
Daily Rate Histogram in Birmingham

This chart provides a histogram of daily rates quoted in contract IT jobs citing TDD across the Birmingham region over the 3 months to 30 June 2015.

TDD Daily Rate Histogram in Birmingham

TDD
Hourly Rate Trend in Birmingham

This chart provides the 3-month moving average for hourly rates quoted in IT contractor jobs citing TDD across the Birmingham region.

TDD Hourly Rate Trend in Birmingham

TDD
Top 30 Related IT Skills in Birmingham

For the 6 months to 30 June 2015, IT contractor jobs across the Birmingham region citing TDD also mentioned the following IT skills in order of popularity. The figures indicate the number of jobs and their proportion against the total number of contract IT job ads sampled that cited TDD.

1 53 (88.33%) Agile Software Development
2 44 (73.33%) BDD
3 43 (71.67%) MVC
4 37 (61.67%) Scrum
5 36 (60.00%) SQL Server
6 35 (58.33%) .NET
7 32 (53.33%) Git (software)
8 24 (40.00%) Linux
8 24 (40.00%) Python
8 24 (40.00%) Subversion
9 22 (36.67%) Continuous Integration
10 21 (35.00%) Django
10 21 (35.00%) RESTful
10 21 (35.00%) Flask
10 21 (35.00%) Mentoring
11 20 (33.33%) PostgreSQL
11 20 (33.33%) C#
12 19 (31.67%) Team Foundation Server
13 18 (30.00%) Test Automation
13 18 (30.00%) Ubuntu
13 18 (30.00%) Debian
14 16 (26.67%) ASP.NET
14 16 (26.67%) Selenium
15 15 (25.00%) SOA
15 15 (25.00%) Microsoft
16 13 (21.67%) ASP.NET MVC
16 13 (21.67%) Microservices
16 13 (21.67%) Don't repeat yourself (DRY)
16 13 (21.67%) Vagrant
17 12 (20.00%) NoSQL

TDD
Top Related IT Skills in Birmingham by Category

For the 6 months to 30 June 2015, IT contractor jobs across the Birmingham region citing TDD also mentioned the following IT skills grouped by category. The figures indicate the number of jobs and their proportion against the total number of contract IT job ads sampled that cited TDD. Up to 20 skills are shown per category.

Application Platforms
1 4 (6.67%) Node.js
2 2 (3.33%) CMS
3 1 (1.67%) Umbraco
Applications
1 3 (5.00%) MS Excel
2 1 (1.67%) Fireworks
2 1 (1.67%) Photoshop
Cloud Services
1 3 (5.00%) Microsoft Azure
Communications & Networking
1 3 (5.00%) HTTP
Database & Business Intelligence
1 36 (60.00%) SQL Server
2 20 (33.33%) PostgreSQL
3 12 (20.00%) NoSQL
4 4 (6.67%) Relational Database
5 3 (5.00%) CouchDB
5 3 (5.00%) Couchbase
6 2 (3.33%) SQL Server 2012
7 1 (1.67%) SQL Server 2008
7 1 (1.67%) RDBMS
Development Applications
1 32 (53.33%) Git (software)
2 24 (40.00%) Subversion
3 19 (31.67%) Team Foundation Server
4 16 (26.67%) Selenium
5 3 (5.00%) Visual Studio
6 2 (3.33%) NUnit
6 2 (3.33%) Rhino Mocks
6 2 (3.33%) Moq
7 1 (1.67%) Mockito
7 1 (1.67%) Jenkins
7 1 (1.67%) Octopus Deploy
7 1 (1.67%) Spock
7 1 (1.67%) TeamCity
7 1 (1.67%) JUnit
7 1 (1.67%) JIRA
7 1 (1.67%) Mercurial
7 1 (1.67%) XMLUnit
General
1 11 (18.33%) Finance
2 6 (10.00%) Games
3 4 (6.67%) Multimedia
4 3 (5.00%) Retail
5 1 (1.67%) Telecoms
5 1 (1.67%) Banking
Job Titles
1 53 (88.33%) Developer
2 23 (38.33%) Python Developer
3 12 (20.00%) .NET Developer
4 10 (16.67%) Senior Developer
5 7 (11.67%) Senior Python Developer
6 5 (8.33%) C++ Developer
6 5 (8.33%) C# Developer
6 5 (8.33%) Agile .NET Developer
7 3 (5.00%) ASP.NET Developer
7 3 (5.00%) Engineering Manager
7 3 (5.00%) Java Developer
7 3 (5.00%) Technical Manager
8 2 (3.33%) Test Manager
8 2 (3.33%) Architect
8 2 (3.33%) C# .NET Developer
8 2 (3.33%) Testing Manager
8 2 (3.33%) JavaScript Developer
8 2 (3.33%) C# ASP.NET Developer
8 2 (3.33%) DevOps Architect
8 2 (3.33%) AWS Architect
Libraries, Frameworks & Software Standards
1 35 (58.33%) .NET
2 21 (35.00%) Django
2 21 (35.00%) RESTful
2 21 (35.00%) Flask
3 16 (26.67%) ASP.NET
4 13 (21.67%) ASP.NET MVC
5 12 (20.00%) HTML
6 10 (16.67%) CSS
6 10 (16.67%) WCF
7 8 (13.33%) .NET Framework
8 7 (11.67%) Entity Framework
9 6 (10.00%) ASP.NET Web API
10 5 (8.33%) XML
11 4 (6.67%) Web Services
11 4 (6.67%) React
11 4 (6.67%) HTML5
12 3 (5.00%) jQuery
12 3 (5.00%) JSON
12 3 (5.00%) Spring MVC
12 3 (5.00%) AngularJS
Miscellaneous
1 2 (3.33%) Mobile App
1 2 (3.33%) Data Centre
2 1 (1.67%) iPhone
2 1 (1.67%) iPad
Operating Systems
1 24 (40.00%) Linux
2 18 (30.00%) Debian
2 18 (30.00%) Ubuntu
3 3 (5.00%) UNIX
4 1 (1.67%) Apple iOS
Processes & Methodologies
1 53 (88.33%) Agile Software Development
2 44 (73.33%) BDD
3 43 (71.67%) MVC
4 37 (61.67%) Scrum
5 22 (36.67%) Continuous Integration
6 21 (35.00%) Mentoring
7 18 (30.00%) Test Automation
8 15 (25.00%) SOA
9 13 (21.67%) Microservices
9 13 (21.67%) Don't repeat yourself (DRY)
10 12 (20.00%) TOGAF
11 7 (11.67%) DevOps
11 7 (11.67%) Unit Testing
12 5 (8.33%) Software Engineering
13 4 (6.67%) Web Application Development
14 3 (5.00%) ATDD
14 3 (5.00%) Continuous Delivery
14 3 (5.00%) E-Commerce
14 3 (5.00%) OO
15 2 (3.33%) Web Development
Programming Languages
1 24 (40.00%) Python
2 20 (33.33%) C#
3 12 (20.00%) JavaScript
4 6 (10.00%) C++
5 5 (8.33%) SQL
6 4 (6.67%) Java
6 4 (6.67%) Ruby
7 1 (1.67%) XPath
7 1 (1.67%) PHP
7 1 (1.67%) VB
7 1 (1.67%) VB6
Qualifications
1 4 (6.67%) Security Cleared
2 2 (3.33%) SC Cleared
3 1 (1.67%) Degree
Systems Management
1 13 (21.67%) Vagrant
Vendors
1 15 (25.00%) Microsoft
2 1 (1.67%) Sitecore
2 1 (1.67%) hybris