Period
to 21 February 2018

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 February 2018 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 Feb 2018
Same period 2017 Same period 2016
Rank 29 48 54
Rank change year-on-year +19 +6 +45
Contract jobs citing TDD 284 196 158
As % of all contract IT jobs advertised in the West Midlands 5.92% 3.70% 3.12%
As % of the Processes & Methodologies category 7.11% 4.47% 3.82%
Number of daily rates quoted 209 125 103
West Midlands median daily rate £400 £400 £425
Median daily rate % change year-on-year - -5.88% +14.09%
10th Percentile £243 £311 £306
90th Percentile £550 £538 £575
England median daily rate £500 £463 £450
% change year-on-year +8.11% +2.78% +5.88%
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% +8.84%

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 3,997 4,385 4,133
As % of all contract IT jobs advertised in the West Midlands 83.34% 82.80% 81.63%
Number of daily rates quoted 2,522 2,697 2,316
West Midlands median daily rate £407 £400 £388
Median daily rate % change year-on-year +1.81% +3.23% +6.90%
10th Percentile £250 £250 £250
90th Percentile £550 £541 £550
England median daily rate £450 £438 £425
% change year-on-year +2.86% +2.94% +4.42%
Number of hourly rates quoted 144 144 127
West Midlands median hourly rate £23.99 £22.00 £20.00
Median hourly rate % change year-on-year +9.05% +10.00% -11.11%
10th Percentile £11.25 £11.54 £10.69
90th Percentile £48.75 £42.50 £43.75
England median hourly rate £24.09 £25.00 £23.50
% change year-on-year -3.64% +6.38% +16.77%

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 February 2018.

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 February 2018. 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 +46 146 £338 -20.59% 31
Coventry +10 67 £456 +14.06% 12
Shropshire -21 17 £450 -5.26% 3
Staffordshire -4 9 £375 +7.14% 13
Solihull +6 2 £363 +3.57% 2
Warwickshire 0 2 - - 4
Worcestershire -2 1 - - 4
TDD
England

For the 6 months to 21 February 2018, IT contractor jobs citing TDD also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the West Midlands region with a requirement for TDD.

1 241 (84.86%) Agile Software Development
2 135 (47.54%) BDD
3 117 (41.20%) JavaScript
4 115 (40.49%) HTML
5 111 (39.08%) Scrum
6 108 (38.03%) CSS
7 103 (36.27%) Continuous Integration
8 101 (35.56%) Git (software)
8 101 (35.56%) Web Services
9 93 (32.75%) Kanban
10 91 (32.04%) C#
11 89 (31.34%) Java
12 82 (28.87%) .NET
13 76 (26.76%) MVC
14 67 (23.59%) Microsoft Azure
15 66 (23.24%) Maven
16 65 (22.89%) Test Automation
17 64 (22.54%) Digital Media
18 62 (21.83%) SQL Server
19 59 (20.77%) HTML5
20 58 (20.42%) ASP.NET Web API
21 57 (20.07%) Spring
22 53 (18.66%) CSS3
23 52 (18.31%) ASP.NET
24 49 (17.25%) jQuery
24 49 (17.25%) Enterprise Software
25 48 (16.90%) ASP.NET MVC
25 48 (16.90%) SOLID
26 46 (16.20%) .NET Framework
27 42 (14.79%) 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 13 (4.58%) Confluence
1 13 (4.58%) Tomcat
2 12 (4.23%) Oracle SOA Suite
3 9 (3.17%) Elasticsearch
4 5 (1.76%) Apache
4 5 (1.76%) Cloud Foundry
5 3 (1.06%) Documentum
5 3 (1.06%) JBoss
5 3 (1.06%) nginx
5 3 (1.06%) SharePoint
5 3 (1.06%) WildFly
6 2 (0.70%) WebSphere
7 1 (0.35%) Adobe Experience Manager
7 1 (0.35%) Mule
7 1 (0.35%) WordPress
Applications
1 2 (0.70%) GIMP
1 2 (0.70%) Photoshop
Business Applications
1 1 (0.35%) Dynamics CRM
1 1 (0.35%) Oracle EBS
Cloud Services
1 67 (23.59%) Microsoft Azure
2 40 (14.08%) Amazon AWS
3 16 (5.63%) Amazon EC2
4 13 (4.58%) Cloud Computing
5 6 (2.11%) GitHub
6 2 (0.70%) Google Cloud Platform
6 2 (0.70%) Office 365
6 2 (0.70%) PaaS
7 1 (0.35%) SaaS
Communications & Networking
1 8 (2.82%) Internet
2 7 (2.46%) HTTP
3 3 (1.06%) Bluetooth
3 3 (1.06%) SSL
3 3 (1.06%) Wi-Fi
4 2 (0.70%) VoIP
5 1 (0.35%) SMS
Database & Business Intelligence
1 62 (21.83%) SQL Server
2 14 (4.93%) PostgreSQL
3 12 (4.23%) Oracle Database
4 10 (3.52%) NoSQL
5 9 (3.17%) MySQL
5 9 (3.17%) SQL Server 2014
6 8 (2.82%) Data Warehouse
6 8 (2.82%) MongoDB
6 8 (2.82%) RDBMS
6 8 (2.82%) Relational Database
7 5 (1.76%) SQL Server 2016
8 4 (1.41%) SQL Server 2012
8 4 (1.41%) SQL Server Analysis Services
8 4 (1.41%) SQL Server Reporting Services
9 3 (1.06%) Apache Cassandra
9 3 (1.06%) JasperReports
9 3 (1.06%) Neo4j
9 3 (1.06%) Power BI
9 3 (1.06%) QlikView
9 3 (1.06%) SQL Server Integration Services
Development Applications
1 101 (35.56%) Git (software)
2 66 (23.24%) Maven
3 39 (13.73%) Jenkins
4 24 (8.45%) JUnit
4 24 (8.45%) Selenium
5 21 (7.39%) Mockito
5 21 (7.39%) SonarQube
6 20 (7.04%) DbUnit
6 20 (7.04%) jMock
7 17 (5.99%) Subversion
8 16 (5.63%) JIRA
9 15 (5.28%) Cucumber
10 14 (4.93%) SpecFlow
11 13 (4.58%) Sonatype Nexus
12 11 (3.87%) GitLab
13 8 (2.82%) Visual Studio
13 8 (2.82%) WebDriver
14 7 (2.46%) SoapUI
15 6 (2.11%) Team Foundation Server
16 3 (1.06%) IntelliJ
General
1 8 (2.82%) Games
1 8 (2.82%) Retail
2 6 (2.11%) Finance
3 5 (1.76%) Advertising
4 2 (0.70%) Automotive
4 2 (0.70%) Banking
4 2 (0.70%) Law
5 1 (0.35%) Manufacturing
5 1 (0.35%) Marketing
Job Titles
1 211 (74.30%) Developer
2 65 (22.89%) Java Developer
3 54 (19.01%) .NET Developer
4 45 (15.85%) Lead Developer
5 41 (14.44%) Front End Developer (Client-Side Developer)
6 33 (11.62%) C# Developer
7 26 (9.15%) C# .NET Developer
8 22 (7.75%) Lead Java Developer
9 20 (7.04%) Full Stack Developer
9 20 (7.04%) Test Leader
10 19 (6.69%) Azure Developer
11 16 (5.63%) Angular Developer
12 14 (4.93%) DevOps Engineer
13 13 (4.58%) Architect
13 13 (4.58%) Senior Developer
14 12 (4.23%) Agile Developer
14 12 (4.23%) ASP.NET MVC Developer
15 11 (3.87%) Analyst
15 11 (3.87%) PHP Developer
16 9 (3.17%) Test Analyst
Libraries, Frameworks & Software Standards
1 115 (40.49%) HTML
2 108 (38.03%) CSS
3 101 (35.56%) Web Services
4 82 (28.87%) .NET
5 59 (20.77%) HTML5
6 58 (20.42%) ASP.NET Web API
7 57 (20.07%) Spring
8 53 (18.66%) CSS3
9 52 (18.31%) ASP.NET
10 49 (17.25%) jQuery
11 48 (16.90%) ASP.NET MVC
12 46 (16.20%) .NET Framework
13 42 (14.79%) RESTful
14 39 (13.73%) AngularJS
15 35 (12.32%) Dapper ORM
16 30 (10.56%) Java SE
17 25 (8.80%) SOAP
18 23 (8.10%) J2EE
19 20 (7.04%) PowerMock
20 19 (6.69%) Apache Camel
Miscellaneous
1 64 (22.54%) Digital Media
2 49 (17.25%) Enterprise Software
3 23 (8.10%) Greenfield Project
4 20 (7.04%) User Experience
5 5 (1.76%) Wiki
6 4 (1.41%) NHS
7 3 (1.06%) Analytical Skills
8 2 (0.70%) Mobile App
9 1 (0.35%) Animation
9 1 (0.35%) Client/Server
9 1 (0.35%) Computer Science
9 1 (0.35%) N-Tier
9 1 (0.35%) Xbox
Operating Systems
1 22 (7.75%) Linux
2 13 (4.58%) Red Hat Enterprise Linux
2 13 (4.58%) Windows
3 6 (2.11%) Unix
4 5 (1.76%) Mac OS X
5 4 (1.41%) Android
5 4 (1.41%) Apple iOS
Processes & Methodologies
1 241 (84.86%) Agile Software Development
2 135 (47.54%) BDD
3 111 (39.08%) Scrum
4 103 (36.27%) Continuous Integration
5 93 (32.75%) Kanban
6 76 (26.76%) MVC
7 65 (22.89%) Test Automation
8 48 (16.90%) SOLID
9 41 (14.44%) Front End Development
10 34 (11.97%) DevOps
11 33 (11.62%) Open Source
12 30 (10.56%) Digital Transformation Programme
12 30 (10.56%) Mentoring
13 21 (7.39%) SDLC
14 18 (6.34%) Web Development
15 17 (5.99%) E-Commerce
15 17 (5.99%) SOA
16 16 (5.63%) Virtual Infrastructure
17 15 (5.28%) Configuration Management
18 13 (4.58%) OO
Programming Languages
1 117 (41.20%) JavaScript
2 91 (32.04%) C#
3 89 (31.34%) Java
4 36 (12.68%) SQL
5 22 (7.75%) Python
6 15 (5.28%) Ruby
7 13 (4.58%) Perl
8 12 (4.23%) PHP
9 9 (3.17%) TypeScript
10 8 (2.82%) Scala
11 5 (1.76%) PL/SQL
12 4 (1.41%) Groovy
13 3 (1.06%) Clojure
13 3 (1.06%) Erlang
13 3 (1.06%) F#
13 3 (1.06%) Haskell
13 3 (1.06%) PHP 7
14 2 (0.70%) Apple Swift
14 2 (0.70%) Objective-C
14 2 (0.70%) XAML
Qualifications
1 18 (6.34%) Security Cleared
2 13 (4.58%) ISEB
2 13 (4.58%) ISTQB
3 12 (4.23%) SC Cleared
4 5 (1.76%) Degree
5 3 (1.06%) BPSS Clearance
6 2 (0.70%) DBS Check
7 1 (0.35%) Computer Science Degree
Quality Assurance & Compliance
1 3 (1.06%) Disclosure Scotland
1 3 (1.06%) PMO
2 2 (0.70%) QA
3 1 (0.35%) WCAG
System Software
1 16 (5.63%) VMware Infrastructure
1 16 (5.63%) vSphere
2 12 (4.23%) Docker
3 3 (1.06%) Virtual Machines
Systems Management
1 13 (4.58%) Puppet
2 12 (4.23%) ZABBIX
3 1 (0.35%) Ansible
3 1 (0.35%) Terraform
Vendors
1 19 (6.69%) Oracle
2 16 (5.63%) VMware
3 13 (4.58%) Microsoft
3 13 (4.58%) Red Hat
4 7 (2.46%) Google
5 5 (1.76%) Zend
6 3 (1.06%) Pega
6 3 (1.06%) Unisys
6 3 (1.06%) WSO2
7 2 (0.70%) Jaspersoft
8 1 (0.35%) Adobe
8 1 (0.35%) CA Agile Central
8 1 (0.35%) Perforce
8 1 (0.35%) Xamarin