Period
to 21 November 2017

The following table provides summary statistics for contract job vacancies advertised in the West Midlands 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 21 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)
England > West Midlands
6 months to
21 Nov 2017
Same period 2016 Same period 2015
Rank 31 53 49
Rank change year-on-year +22 -4 +43
Contract jobs citing TDD 243 199 153
As % of all contract IT jobs advertised in the West Midlands 5.02% 3.23% 3.10%
As % of the Processes & Methodologies category 6.06% 3.89% 3.92%
Number of daily rates quoted 165 134 106
West Midlands median daily rate £400 £400 £375
Median daily rate % change year-on-year -0.06% +6.73% -
10th Percentile £246 £313 £300
90th Percentile £545 £513 £575
England median daily rate £500 £460 £443
% change year-on-year +8.70% +3.84% +4.23%
Number of hourly rates quoted 2 0 0
West Midlands median hourly rate £33.00 - -
England median hourly rate £45.00 £42.50 £40.00
% change year-on-year +5.88% +6.25% +14.29%

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 the West Midlands with a requirement for process or methodology skills.

All Process and Methodology Skills
West Midlands
Contract vacancies with a requirement for process or methodology skills 4013 5120 3900
As % of all contract IT jobs advertised in the West Midlands 82.91% 83.05% 79.11%
Number of daily rates quoted 2559 3069 2234
West Midlands median daily rate £400 £400 £375
Median daily rate % change year-on-year - +6.67% +6.80%
10th Percentile £244 £250 £238
90th Percentile £550 £550 £533
England median daily rate £450 £425 £423
% change year-on-year +5.88% +0.47% +5.75%
Number of hourly rates quoted 143 135 178
West Midlands median hourly rate £25.00 £18.00 £20.00
Median hourly rate % change year-on-year +38.89% -10.00% -
10th Percentile £11.75 £10.75 £11.18
90th Percentile £48.75 £39.50 £43.75
England median hourly rate £23.75 £24.42 £22.50
% change year-on-year -2.74% +8.53% +18.42%

TDD
Job Vacancy Trend in the West Midlands

Job postings citing TDD as a percentage of all IT jobs advertised in the West Midlands.

Job vacancy trend for TDD in the West Midlands

TDD
Contractor Daily Rate Trend in the West Midlands

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

Contractor daily rate trend for TDD in the West Midlands

TDD
Contractor Daily Rate Histogram in the West Midlands

The daily rate distribution of IT jobs citing TDD in the West Midlands over the 6 months to 21 November 2017.

Contractor daily rate histogram for TDD in the West Midlands

TDD
Contractor Hourly Rate Trend in the West Midlands

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

Contractor hourly rate trend for TDD in the West Midlands

TDD
Contract Job Locations in the West Midlands

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing TDD within the West Midlands region over the 6 months to 21 November 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Birmingham +17 79 £338 -16.97% 12
Coventry +18 53 £444 +10.94% 5
Shropshire +13 33 £535 +12.63% 5
Warwickshire +11 12 £375 +15.38%
Staffordshire +9 11 £368 +5.00% 4
Wolverhampton +1 5 £350 -12.50%
Solihull +7 2 £363 +11.54% 3
Herefordshire - 1 £325 - 2
TDD
England

For the 6 months to 21 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 West Midlands region with a requirement for TDD.

1 198 (81.48%) Agile Software Development
2 118 (48.56%) BDD
3 100 (41.15%) Scrum
4 92 (37.86%) Kanban
5 85 (34.98%) HTML
6 82 (33.74%) CSS
7 79 (32.51%) .NET
7 79 (32.51%) Git (software)
8 77 (31.69%) JavaScript
9 76 (31.28%) C#
10 75 (30.86%) MVC
11 69 (28.40%) Java
11 69 (28.40%) Continuous Integration
12 56 (23.05%) HTML5
13 55 (22.63%) Microsoft Azure
14 54 (22.22%) Maven
15 52 (21.40%) Spring
15 52 (21.40%) Test Automation
16 51 (20.99%) SQL Server
17 49 (20.16%) Jenkins
18 48 (19.75%) Web Services
19 45 (18.52%) CSS3
20 43 (17.70%) ASP.NET Web API
21 41 (16.87%) AngularJS
22 40 (16.46%) Digital Media
22 40 (16.46%) jQuery
23 37 (15.23%) SOA
24 35 (14.40%) Front End Development
25 34 (13.99%) SQL
25 34 (13.99%) RESTful

TDD
Co-occurring IT Skills in the West Midlands 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 23 (9.47%) Oracle SOA Suite
2 17 (7.00%) Confluence
3 14 (5.76%) JBoss
4 13 (5.35%) Elasticsearch
5 12 (4.94%) Apache Spark
6 11 (4.53%) GlassFish
6 11 (4.53%) WildFly
7 9 (3.70%) CMS
8 8 (3.29%) DNN
9 6 (2.47%) Mule
10 4 (1.65%) Mule ESB
10 4 (1.65%) WebLogic
11 3 (1.23%) Apache
11 3 (1.23%) Tomcat
11 3 (1.23%) WebSphere
12 2 (0.82%) Cloud Foundry
12 2 (0.82%) Documentum
12 2 (0.82%) WordPress
Applications
1 3 (1.23%) Photoshop
2 1 (0.41%) Adobe After Effects
2 1 (0.41%) Adobe Creative Suite
2 1 (0.41%) Adobe Illustrator
2 1 (0.41%) Fireworks
2 1 (0.41%) GIMP
Business Applications
1 2 (0.82%) Dynamics AX
2 1 (0.41%) Dynamics CRM
Cloud Services
1 55 (22.63%) Microsoft Azure
2 18 (7.41%) Amazon AWS
3 11 (4.53%) Cloud Computing
4 6 (2.47%) PaaS
5 5 (2.06%) Amazon EC2
5 5 (2.06%) SaaS
6 4 (1.65%) IaaS
7 2 (0.82%) GitHub
8 1 (0.41%) Dynamics 365
Communications & Networking
1 12 (4.94%) HTTP
2 11 (4.53%) SSL
3 4 (1.65%) Internet
4 3 (1.23%) AMQP
4 3 (1.23%) Bluetooth
4 3 (1.23%) Wi-Fi
5 2 (0.82%) TCP/IP
Database & Business Intelligence
1 51 (20.99%) SQL Server
2 24 (9.88%) MySQL
2 24 (9.88%) NoSQL
3 22 (9.05%) MongoDB
4 21 (8.64%) PostgreSQL
5 18 (7.41%) Apache Cassandra
6 13 (5.35%) Big Data
6 13 (5.35%) Hadoop
7 12 (4.94%) Oracle Database
8 5 (2.06%) SQL Server 2014
9 4 (1.65%) RDBMS
9 4 (1.65%) Relational Database
10 3 (1.23%) SQL Server Reporting Services
11 2 (0.82%) MariaDB
11 2 (0.82%) SQL Server 2012
11 2 (0.82%) SQL Server 2016
12 1 (0.41%) Neo4j
12 1 (0.41%) Pentaho
12 1 (0.41%) Power BI
12 1 (0.41%) SQL Server Analysis Services
Development Applications
1 79 (32.51%) Git (software)
2 54 (22.22%) Maven
3 49 (20.16%) Jenkins
4 28 (11.52%) JUnit
5 21 (8.64%) Subversion
6 20 (8.23%) JIRA
6 20 (8.23%) SpecFlow
7 15 (6.17%) Sonatype Nexus
7 15 (6.17%) Visual Studio
8 13 (5.35%) Mockito
9 12 (4.94%) jMock
10 11 (4.53%) DbUnit
10 11 (4.53%) Hudson
10 11 (4.53%) JBehave
10 11 (4.53%) SonarQube
11 9 (3.70%) Selenium
12 7 (2.88%) SoapUI
13 6 (2.47%) Cucumber
14 4 (1.65%) IntelliJ
15 3 (1.23%) Eclipse
General
1 7 (2.88%) Finance
2 4 (1.65%) Advertising
2 4 (1.65%) Games
3 3 (1.23%) Marketing
3 3 (1.23%) Retail
4 2 (0.82%) Automotive
4 2 (0.82%) General Ledger
4 2 (0.82%) Manufacturing
Job Titles
1 177 (72.84%) Developer
2 50 (20.58%) .NET Developer
3 39 (16.05%) Java Developer
4 29 (11.93%) Front End Developer (Client-Side Developer)
5 26 (10.70%) C# Developer
5 26 (10.70%) Lead Developer
6 22 (9.05%) Azure Developer
6 22 (9.05%) Senior Developer
7 18 (7.41%) Agile Developer
7 18 (7.41%) C# .NET Developer
8 17 (7.00%) ASP.NET MVC Developer
9 15 (6.17%) Architect
9 15 (6.17%) DevOps Engineer
10 14 (5.76%) Test Leader
10 14 (5.76%) Web Developer
11 12 (4.94%) Digital Developer
12 11 (4.53%) Agile .NET Developer
13 10 (4.12%) Technical Architect
14 9 (3.70%) Automation Test Lead
14 9 (3.70%) Software Developer
Libraries, Frameworks & Software Standards
1 85 (34.98%) HTML
2 82 (33.74%) CSS
3 79 (32.51%) .NET
4 56 (23.05%) HTML5
5 52 (21.40%) Spring
6 48 (19.75%) Web Services
7 45 (18.52%) CSS3
8 43 (17.70%) ASP.NET Web API
9 41 (16.87%) AngularJS
10 40 (16.46%) jQuery
11 34 (13.99%) RESTful
12 27 (11.11%) Spring Boot
13 25 (10.29%) ASP.NET
13 25 (10.29%) Middleware
14 24 (9.88%) .NET Framework
15 23 (9.47%) ASP.NET MVC
15 23 (9.47%) Java SE
16 21 (8.64%) Backbone.js
16 21 (8.64%) SOAP
17 20 (8.23%) JSON
Miscellaneous
1 40 (16.46%) Digital Media
2 28 (11.52%) Enterprise Software
3 22 (9.05%) User Experience
4 13 (5.35%) Greenfield Project
4 13 (5.35%) Wiki
5 12 (4.94%) Mobile App
6 4 (1.65%) Computer Science
7 1 (0.41%) Animation
7 1 (0.41%) Management Information System
Operating Systems
1 27 (11.11%) Linux
2 20 (8.23%) Windows
3 15 (6.17%) Android
3 15 (6.17%) Apple iOS
3 15 (6.17%) Red Hat Enterprise Linux
4 7 (2.88%) Unix
5 5 (2.06%) Mac OS X
6 2 (0.82%) AIX
6 2 (0.82%) HPUX
6 2 (0.82%) Solaris
6 2 (0.82%) Windows 10
7 1 (0.41%) CentOS
7 1 (0.41%) Ubuntu
Processes & Methodologies
1 198 (81.48%) Agile Software Development
2 118 (48.56%) BDD
3 100 (41.15%) Scrum
4 92 (37.86%) Kanban
5 75 (30.86%) MVC
6 69 (28.40%) Continuous Integration
7 52 (21.40%) Test Automation
8 37 (15.23%) SOA
9 35 (14.40%) Front End Development
10 29 (11.93%) SOLID
11 28 (11.52%) Open Source
12 24 (9.88%) Unit Testing
13 21 (8.64%) Configuration Management
13 21 (8.64%) Dependency Injection
13 21 (8.64%) Mentoring
13 21 (8.64%) SDLC
14 19 (7.82%) DevOps
14 19 (7.82%) Digital Transformation Programme
14 19 (7.82%) Microservices
15 18 (7.41%) Responsive Web Design
Programming Languages
1 77 (31.69%) JavaScript
2 76 (31.28%) C#
3 69 (28.40%) Java
4 34 (13.99%) SQL
5 17 (7.00%) Scala
6 16 (6.58%) Python
7 15 (6.17%) Perl
8 10 (4.12%) Ruby
8 10 (4.12%) TypeScript
9 9 (3.70%) PHP
10 3 (1.23%) Groovy
10 3 (1.23%) PHP 7
10 3 (1.23%) VB.NET
11 2 (0.82%) Apple Swift
11 2 (0.82%) PL/SQL
11 2 (0.82%) X++
11 2 (0.82%) XPath
12 1 (0.41%) Jython
12 1 (0.41%) Objective-C
12 1 (0.41%) PHP 5
Qualifications
1 18 (7.41%) Degree
2 11 (4.53%) ISEB
2 11 (4.53%) ISTQB
3 7 (2.88%) Security Cleared
4 5 (2.06%) SC Cleared
5 4 (1.65%) DBS Check
6 1 (0.41%) BPSS Clearance
6 1 (0.41%) Computer Science Degree
Quality Assurance & Compliance
1 2 (0.82%) Disclosure Scotland
2 1 (0.41%) QA
2 1 (0.41%) WCAG
System Software
1 17 (7.00%) Docker
2 5 (2.06%) VMware Infrastructure
2 5 (2.06%) vSphere
Systems Management
1 19 (7.82%) Puppet
2 13 (5.35%) ZABBIX
3 6 (2.47%) Ansible
4 2 (0.82%) Opscode Chef
5 1 (0.41%) Kubernetes
Vendors
1 24 (9.88%) Oracle
2 15 (6.17%) Red Hat
3 8 (3.29%) Microsoft
4 7 (2.88%) WSO2
5 5 (2.06%) VMware
6 4 (1.65%) MuleSoft
7 3 (1.23%) Zend
8 2 (0.82%) Pega
8 2 (0.82%) webMethods
9 1 (0.41%) Adobe
9 1 (0.41%) Google
9 1 (0.41%) Sitecore
9 1 (0.41%) Talend