The table below looks at the statistics for TDD skills in IT contracts advertised for the Birmingham region. Included is a guide to the contractor rates offered in IT contracts that have cited TDD over the 3 months to 26 September 2016 with a comparison to the same period over 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.

3 months to
26 Sep 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank 39 48 53
Rank change year-on-year
+9 +5
Contract jobs citing TDD 28 11 13
As % of all contract IT jobs located in Birmingham 3.65% 1.54% 1.68%
As % of the Processes & Methodologies category 4.75% 2.02% 2.30%
Number of daily rates quoted 17 8 3
Median daily rate £425 £425 £400
Median daily rate % change year-on-year
- +6.25%
UK excluding London median daily rate £425 £390 £375
% change year-on-year
+8.97% +4.00%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £41.25 £37.45 £36.25
% change year-on-year
+10.14% +3.31%
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
590 544 564
As % of all contract IT jobs located in Birmingham 76.82% 76.40% 73.06%
Number of daily rates quoted 379 348 321
Median daily rate £408 £400 £375
Median daily rate % change year-on-year
+1.87% +6.66%
90% offered a daily rate of more than £274 £250 £200
10% offered a daily rate of more than £550 £590 £500
UK excluding London median daily rate £400 £400 £375
% change year-on-year
- +6.66%
Number of hourly rates quoted 11 18 17
Median hourly rate £17.50 £17.50 £25.00
Median hourly rate % change year-on-year
- -30.00%
90% offered a hourly rate of more than £11.70 £10.59 £17.75
10% offered a hourly rate of more than £18.60 £42.50 £175.00
UK excluding London median hourly rate £32.50 £33.64 £26.00
% change year-on-year
-3.38% +29.38%

TDD
Jobs Demand Trend in Birmingham

The demand trend of contract jobs across the Birmingham region citing TDD as a proportion of all IT contracts with a match in 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 26 September 2016.

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 26 September 2016, 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 Birmingham region with a requirement for TDD.

1 48 (76.19%) HTML
2 46 (73.02%) Java
3 43 (68.25%) CSS
4 37 (58.73%) Web Services
4 37 (58.73%) Web Development
5 34 (53.97%) Oracle
6 33 (52.38%) XML
6 33 (52.38%) Tomcat
7 32 (50.79%) JSP
8 31 (49.21%) SQL Server
9 30 (47.62%) JBoss
9 30 (47.62%) Java EE
10 29 (46.03%) SQL
11 28 (44.44%) DB2
11 28 (44.44%) WebLogic
11 28 (44.44%) Back Office
11 28 (44.44%) JMS
11 28 (44.44%) Misys
11 28 (44.44%) IBM
11 28 (44.44%) WebLogic Portal
11 28 (44.44%) WebSphere
11 28 (44.44%) Log4j
12 24 (38.10%) Agile Software Development
13 20 (31.75%) JavaScript
14 18 (28.57%) Finance
15 14 (22.22%) Banking
16 13 (20.63%) jQuery
17 12 (19.05%) Spring
17 12 (19.05%) Scrum
18 10 (15.87%) J2EE

TDD
Top Related IT Skills in Birmingham 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:

Application Platforms
1 33 (52.38%) Tomcat
2 30 (47.62%) JBoss
3 28 (44.44%) WebLogic
3 28 (44.44%) WebLogic Portal
3 28 (44.44%) WebSphere
4 4 (6.35%) Apache
5 3 (4.76%) Confluence
6 1 (1.59%) CMS
6 1 (1.59%) Elasticsearch
6 1 (1.59%) EPiServer CMS
6 1 (1.59%) SharePoint
Applications
1 3 (4.76%) Photoshop
2 1 (1.59%) Fireworks
2 1 (1.59%) MS Excel
Business Applications
1 1 (1.59%) Dynamics CRM
Cloud Services
1 3 (4.76%) GitHub
1 3 (4.76%) Google Play
2 2 (3.17%) Adobe Creative Cloud
2 2 (3.17%) Microsoft Azure
3 1 (1.59%) Amazon AWS
3 1 (1.59%) iTunes
Communications & Networking
1 5 (7.94%) HTTP
2 3 (4.76%) Network Security
Database & Business Intelligence
1 31 (49.21%) SQL Server
2 28 (44.44%) DB2
3 3 (4.76%) MySQL
4 2 (3.17%) PostgreSQL
4 2 (3.17%) RDBMS
4 2 (3.17%) Relational Database
5 1 (1.59%) MongoDB
Development Applications
1 28 (44.44%) Log4j
2 8 (12.70%) JUnit
3 6 (9.52%) Git (software)
4 5 (7.94%) Cucumber
4 5 (7.94%) Maven
5 4 (6.35%) Mockito
5 4 (6.35%) Selenium
5 4 (6.35%) Team Foundation Server
6 3 (4.76%) Jasmine
6 3 (4.76%) Jenkins
6 3 (4.76%) JIRA
6 3 (4.76%) Karma Test Runner
6 3 (4.76%) Protractor
6 3 (4.76%) WebDriver
7 2 (3.17%) Ant
7 2 (3.17%) DbUnit
7 2 (3.17%) Eclipse
7 2 (3.17%) jMock
7 2 (3.17%) NUnit
7 2 (3.17%) Subversion
General
1 28 (44.44%) Back Office
2 18 (28.57%) Finance
3 14 (22.22%) Banking
4 1 (1.59%) Automotive
Job Titles
1 36 (57.14%) Developer
2 25 (39.68%) Consultant
3 19 (30.16%) Technical Consultant
4 15 (23.81%) Java Developer
5 7 (11.11%) Front End Developer (Client-Side Developer)
6 6 (9.52%) Java Consultant
6 6 (9.52%) Web Developer
7 4 (6.35%) C# Developer
7 4 (6.35%) J2EE Developer
7 4 (6.35%) Java/J2EE Developer
8 3 (4.76%) Django Developer
8 3 (4.76%) Front End Web Developer (Client-Side Developer)
8 3 (4.76%) HTML CSS Developer
8 3 (4.76%) HTML Developer
8 3 (4.76%) Java Web Developer
8 3 (4.76%) JavaScript Developer
8 3 (4.76%) PHP Developer
9 2 (3.17%) Agile Developer
9 2 (3.17%) Android Developer
9 2 (3.17%) iOS Developer
Libraries, Frameworks & Software Standards
1 48 (76.19%) HTML
2 43 (68.25%) CSS
3 37 (58.73%) Web Services
4 33 (52.38%) XML
5 32 (50.79%) JSP
6 30 (47.62%) Java EE
7 28 (44.44%) JMS
8 13 (20.63%) jQuery
9 12 (19.05%) Spring
10 10 (15.87%) J2EE
11 7 (11.11%) AngularJS
11 7 (11.11%) Hibernate
11 7 (11.11%) HTML5
12 5 (7.94%) .NET
12 5 (7.94%) Node.js
12 5 (7.94%) Spring MVC
12 5 (7.94%) Struts
13 4 (6.35%) REST
14 3 (4.76%) Android SDK
14 3 (4.76%) ASP.NET Web API
Miscellaneous
1 4 (6.35%) User Experience
2 3 (4.76%) Digital Media
3 2 (3.17%) iPad
3 2 (3.17%) iPhone
3 2 (3.17%) Streaming Video
4 1 (1.59%) Analytical Skills
4 1 (1.59%) Mobile App
Operating Systems
1 3 (4.76%) Android
1 3 (4.76%) Apple iOS
Processes & Methodologies
1 37 (58.73%) Web Development
2 24 (38.10%) Agile Software Development
3 12 (19.05%) Scrum
4 9 (14.29%) BDD
5 8 (12.70%) MVC
6 7 (11.11%) Front End Development
7 5 (7.94%) OO
7 5 (7.94%) Open Source
8 4 (6.35%) CRM
9 3 (4.76%) Android Development
9 3 (4.76%) Continuous Integration
9 3 (4.76%) ERP
9 3 (4.76%) iOS Development
9 3 (4.76%) Unit Testing
9 3 (4.76%) Web Testing
10 2 (3.17%) Don't repeat yourself (DRY)
10 2 (3.17%) Mobile Development
10 2 (3.17%) Open Source Development
10 2 (3.17%) Re-Platforming
10 2 (3.17%) Separation of Concerns
Programming Languages
1 46 (73.02%) Java
2 29 (46.03%) SQL
3 20 (31.75%) JavaScript
4 6 (9.52%) C#
4 6 (9.52%) PHP
5 4 (6.35%) Python
6 3 (4.76%) Objective-C
7 2 (3.17%) Apple Swift
7 2 (3.17%) TypeScript
8 1 (1.59%) PHP 5
Qualifications
1 3 (4.76%) Security Cleared
2 2 (3.17%) ITIL Certification
2 2 (3.17%) SC Cleared
Quality Assurance & Compliance
1 2 (3.17%) QA
Systems Management
1 3 (4.76%) Ansible
Vendors
1 34 (53.97%) Oracle
2 28 (44.44%) IBM
2 28 (44.44%) Misys
3 3 (4.76%) Google
3 3 (4.76%) Microsoft
4 2 (3.17%) Apple
5 1 (1.59%) EPiServer
5 1 (1.59%) hybris
5 1 (1.59%) Kony
5 1 (1.59%) Xamarin