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 3 months to 28 June 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
3 months to
28 Jun 2017
Same period 2016 Same period 2015
Rank 31 54 33
Rank change year-on-year +23 -21  
Contract jobs citing TDD 115 98 95
As % of all contract IT jobs advertised in the West Midlands 5.53% 3.26% 4.08%
As % of the Processes & Methodologies category 6.60% 3.95% 5.30%
Number of daily rates quoted 76 76 69
Median daily rate £375 £425 £360
Median daily rate % change year-on-year -11.76% +18.05%  
90% offered a daily rate of more than £313 £225 £308
10% offered a daily rate of more than £575 £513 £400
UK excluding London median daily rate £420 £413 £375
% change year-on-year +1.81% +10.00%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £41.50 £40.00 £43.75
% change year-on-year +3.75% -8.57%  

TDD is in the process and methodology skills category. The next 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 and methodology skills.

Contract Process & Methodology Skills
West Midlands
Contract job vacancies with a requirement for process and methodology skills 1742 2484 1794
As % of all contract IT job vacancies advertised in the West Midlands 83.83% 82.63% 77.09%
Number of daily rates quoted 3944 5496 3947
Median daily rate £413 £400 £375
Median daily rate % change year-on-year +3.12% +6.66%  
90% offered a daily rate of more than £263 £250 £250
10% offered a daily rate of more than £575 £538 £525
UK excluding London median daily rate £415 £400 £380
% change year-on-year +3.75% +5.26%  
Number of hourly rates quoted 199 123 224
Median hourly rate £28.00 £24.00 £25.00
Median hourly rate % change year-on-year +16.66% -4.00%  
90% offered a hourly rate of more than £11.75 £12.00 £14.00
10% offered a hourly rate of more than £53.75 £42.90 £46.38
UK excluding London median hourly rate £34.00 £28.50 £30.00
% change year-on-year +19.29% -5.00%  

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 3 months to 28 June 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 3 months to 28 June 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Shropshire +21 36 £550 +12.82% 7
Birmingham +4 22 £360 -4.00% 13
Staffordshire +18 17 £335 +8.06% 6
Coventry +9 10 £352 -20.02% 11
Warwickshire +3 7 £375 +15.38% 7
Wolverhampton - 3 £350 -
Herefordshire - 2 £325 - 1
TDD
England

For the 6 months to 28 June 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.

1 179 (84.43%) Agile Software Development
2 87 (41.04%) BDD
3 80 (37.74%) HTML
4 75 (35.38%) CSS
5 72 (33.96%) JavaScript
5 72 (33.96%) Scrum
6 71 (33.49%) .NET
7 63 (29.72%) MVC
8 59 (27.83%) C#
9 56 (26.42%) Test Automation
10 55 (25.94%) Java
10 55 (25.94%) SQL Server
11 54 (25.47%) Kanban
12 53 (25.00%) Continuous Integration
12 53 (25.00%) AngularJS
13 50 (23.58%) Git (software)
14 47 (22.17%) SOA
15 41 (19.34%) HTML5
16 39 (18.40%) SQL
17 38 (17.92%) Jenkins
18 37 (17.45%) MySQL
19 35 (16.51%) Middleware
19 35 (16.51%) SOAP
19 35 (16.51%) RESTful
20 34 (16.04%) ASP.NET
21 33 (15.57%) Mentoring
21 33 (15.57%) Microservices
22 32 (15.09%) SDLC
22 32 (15.09%) Microsoft Azure
22 32 (15.09%) JSON

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 17 (8.02%) Oracle SOA Suite
2 13 (6.13%) Confluence
3 10 (4.72%) JBoss
4 7 (3.30%) CMS
5 5 (2.36%) Apache Spark
5 5 (2.36%) DNN
5 5 (2.36%) Elasticsearch
5 5 (2.36%) GlassFish
5 5 (2.36%) WildFly
6 4 (1.89%) Documentum
6 4 (1.89%) Mule
6 4 (1.89%) NServiceBus
7 3 (1.42%) Mule ESB
7 3 (1.42%) WordPress
8 2 (0.94%) ColdFusion
8 2 (0.94%) WebLogic
9 1 (0.47%) Drupal
9 1 (0.47%) SharePoint
9 1 (0.47%) Tomcat
9 1 (0.47%) WebSphere
Applications
1 4 (1.89%) Microsoft Excel
2 3 (1.42%) Photoshop
3 2 (0.94%) Adobe After Effects
3 2 (0.94%) Adobe Creative Suite
3 2 (0.94%) Adobe Illustrator
3 2 (0.94%) Spreadsheet
4 1 (0.47%) Fireworks
Business Applications
1 5 (2.36%) Dynamics CRM
2 1 (0.47%) CODA-Financials
Cloud Services
1 32 (15.09%) Microsoft Azure
2 16 (7.55%) Amazon AWS
3 10 (4.72%) Cloud Computing
4 4 (1.89%) GitHub
5 2 (0.94%) Google Analytics
5 2 (0.94%) Google Cloud Platform
5 2 (0.94%) IaaS
5 2 (0.94%) PaaS
5 2 (0.94%) SaaS
6 1 (0.47%) AWS CloudFormation
Communications & Networking
1 16 (7.55%) HTTP
2 14 (6.60%) SSL
3 2 (0.94%) Internet
4 1 (0.47%) AMQP
4 1 (0.47%) TCP/IP
4 1 (0.47%) VoIP
Database & Business Intelligence
1 55 (25.94%) SQL Server
2 37 (17.45%) MySQL
3 22 (10.38%) MongoDB
4 20 (9.43%) NoSQL
5 12 (5.66%) PostgreSQL
6 11 (5.19%) SQL Server 2012
7 10 (4.72%) Apache Cassandra
7 10 (4.72%) SQL Server 2008
8 9 (4.25%) Oracle Database
9 6 (2.83%) Data Warehouse
9 6 (2.83%) SQL Server 2014
9 6 (2.83%) SQL Server 2016
9 6 (2.83%) SQL Server Reporting Services
10 5 (2.36%) Big Data
10 5 (2.36%) Hadoop
10 5 (2.36%) SQL Server Analysis Services
11 4 (1.89%) QlikView
11 4 (1.89%) SQL Server Integration Services
12 1 (0.47%) RDBMS
12 1 (0.47%) Relational Database
Development Applications
1 50 (23.58%) Git (software)
2 38 (17.92%) Jenkins
3 28 (13.21%) Maven
3 28 (13.21%) Subversion
4 21 (9.91%) JUnit
5 15 (7.08%) SoapUI
5 15 (7.08%) SpecFlow
5 15 (7.08%) Visual Studio
6 14 (6.60%) JIRA
6 14 (6.60%) Selenium
7 13 (6.13%) Mockito
8 11 (5.19%) Sonatype Nexus
9 10 (4.72%) Cucumber
9 10 (4.72%) Team Foundation Server
10 9 (4.25%) jMock
10 9 (4.25%) NUnit
11 7 (3.30%) SonarQube
12 6 (2.83%) DbUnit
13 5 (2.36%) JBehave
13 5 (2.36%) MSTest
General
1 9 (4.25%) Finance
1 9 (4.25%) Marketing
1 9 (4.25%) Retail
2 1 (0.47%) Automotive
2 1 (0.47%) Games
2 1 (0.47%) Local Government
Job Titles
1 162 (76.42%) Developer
2 36 (16.98%) .NET Developer
3 30 (14.15%) Senior Developer
4 28 (13.21%) C# Developer
5 26 (12.26%) Java Developer
6 20 (9.43%) Agile Developer
7 15 (7.08%) Architect
7 15 (7.08%) Front End Developer (Client-Side Developer)
7 15 (7.08%) Full Stack Developer
7 15 (7.08%) HTML Developer
8 14 (6.60%) C# .NET Developer
8 14 (6.60%) HTML CSS Developer
9 12 (5.66%) DevOps Engineer
10 11 (5.19%) JavaScript Developer
10 11 (5.19%) SOA Developer
11 10 (4.72%) Angular Developer
11 10 (4.72%) ASP.NET MVC Developer
11 10 (4.72%) Linux Developer
11 10 (4.72%) Web Developer
12 9 (4.25%) Software Developer
Libraries, Frameworks & Software Standards
1 80 (37.74%) HTML
2 75 (35.38%) CSS
3 71 (33.49%) .NET
4 53 (25.00%) AngularJS
5 41 (19.34%) HTML5
6 35 (16.51%) Middleware
6 35 (16.51%) RESTful
6 35 (16.51%) SOAP
7 34 (16.04%) ASP.NET
8 32 (15.09%) JSON
9 31 (14.62%) jQuery
10 29 (13.68%) XML
11 28 (13.21%) REST
12 26 (12.26%) Web Services
13 24 (11.32%) CSS3
14 21 (9.91%) XSLT
15 20 (9.43%) React
16 19 (8.96%) Spring
17 18 (8.49%) Hibernate
18 17 (8.02%) Twitter Bootstrap
Miscellaneous
1 18 (8.49%) User Experience
2 10 (4.72%) Enterprise Software
3 9 (4.25%) Greenfield Project
4 8 (3.77%) Computer Science
4 8 (3.77%) Mobile App
5 6 (2.83%) Analytical Skills
6 5 (2.36%) Management Information System
7 2 (0.94%) Data Protection Act
7 2 (0.94%) NHS
8 1 (0.47%) Data Centre
8 1 (0.47%) Fintech
Operating Systems
1 31 (14.62%) Linux
2 23 (10.85%) Windows
3 14 (6.60%) Mac OS X
3 14 (6.60%) Unix
4 11 (5.19%) Red Hat Enterprise Linux
5 7 (3.30%) Apple iOS
6 6 (2.83%) Android
7 2 (0.94%) Windows 10
8 1 (0.47%) AIX
8 1 (0.47%) HPUX
8 1 (0.47%) Solaris
Processes & Methodologies
1 179 (84.43%) Agile Software Development
2 87 (41.04%) BDD
3 72 (33.96%) Scrum
4 63 (29.72%) MVC
5 56 (26.42%) Test Automation
6 54 (25.47%) Kanban
7 53 (25.00%) Continuous Integration
8 47 (22.17%) SOA
9 33 (15.57%) Mentoring
9 33 (15.57%) Microservices
10 32 (15.09%) SDLC
11 29 (13.68%) SOLID
12 25 (11.79%) Open Source
13 24 (11.32%) DevOps
14 21 (9.91%) Responsive Web Design
14 21 (9.91%) Unit Testing
14 21 (9.91%) Web Development
15 19 (8.96%) Front End Development
16 14 (6.60%) Configuration Management
17 13 (6.13%) Migration
Programming Languages
1 72 (33.96%) JavaScript
2 59 (27.83%) C#
3 55 (25.94%) Java
4 39 (18.40%) SQL
5 14 (6.60%) Python
6 12 (5.66%) PHP
7 11 (5.19%) Perl
8 9 (4.25%) Scala
9 7 (3.30%) TypeScript
10 5 (2.36%) PHP 5
10 5 (2.36%) PowerShell
11 4 (1.89%) PHP 4
11 4 (1.89%) Ruby
12 3 (1.42%) Groovy
12 3 (1.42%) PL/SQL
13 2 (0.94%) ES6
13 2 (0.94%) T-SQL
13 2 (0.94%) VB.NET
14 1 (0.47%) Apple Swift
14 1 (0.47%) XPath
Qualifications
1 19 (8.96%) BPSS Clearance
2 12 (5.66%) Degree
3 9 (4.25%) ISTQB
4 8 (3.77%) ISEB
5 2 (0.94%) Security Cleared
5 2 (0.94%) Sun Certification
6 1 (0.47%) DBS Check
6 1 (0.47%) Postgraduate
Quality Assurance & Compliance
1 5 (2.36%) QA
2 3 (1.42%) Disclosure Scotland
3 2 (0.94%) WCAG
4 1 (0.47%) WAI
System Software
1 16 (7.55%) Docker
Systems Management
1 14 (6.60%) Puppet
2 12 (5.66%) Ansible
3 9 (4.25%) ZABBIX
4 3 (1.42%) Grafana
4 3 (1.42%) Kibana
4 3 (1.42%) logstash
4 3 (1.42%) rkt
5 2 (0.94%) Kubernetes
5 2 (0.94%) Opscode Chef
6 1 (0.47%) Terraform
Vendors
1 21 (9.91%) Microsoft
2 18 (8.49%) Oracle
2 18 (8.49%) WSO2
3 11 (5.19%) Red Hat
4 9 (4.25%) MuleSoft
5 8 (3.77%) Google
6 4 (1.89%) Pega
7 3 (1.42%) AppDynamics
7 3 (1.42%) Splunk
8 2 (0.94%) Adobe
8 2 (0.94%) Apple
9 1 (0.47%) CODA
9 1 (0.47%) webMethods
9 1 (0.47%) Zend
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