Period
to 15 June 2019

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 15 June 2019 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
15 Jun 2019
Same period 2018 Same period 2017
Rank 44 24 38
Rank change year-on-year -20 +14 +23
Contract jobs citing TDD 189 306 193
As % of all contract IT jobs advertised in the West Midlands 4.16% 6.31% 4.47%
As % of the Processes & Methodologies category 4.82% 7.52% 5.42%
Number of daily rates quoted 116 205 141
West Midlands median daily rate £464 £438 £400
Median daily rate % change year-on-year +6.00% +9.38% -5.88%
10th Percentile £388 £300 £298
90th Percentile £563 £600 £550
England median daily rate £525 £500 £475
% change year-on-year +5.00% +5.26% +5.56%
Number of hourly rates quoted 1 0 0
West Midlands median hourly rate £35.00 - -
England median hourly rate £35.00 £45.00 £40.50
% change year-on-year -22.22% +11.11% +1.25%

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 3,922 4,070 3,562
As % of all contract IT jobs advertised in the West Midlands 86.37% 83.90% 82.59%
Number of daily rates quoted 2,426 2,487 2,218
West Midlands median daily rate £450 £425 £400
Median daily rate % change year-on-year +5.88% +6.25% -
10th Percentile £275 £267 £250
90th Percentile £600 £575 £538
England median daily rate £475 £463 £450
% change year-on-year +2.70% +2.78% +5.88%
Number of hourly rates quoted 111 178 147
West Midlands median hourly rate £25.43 £15.25 £21.50
Median hourly rate % change year-on-year +66.72% -29.07% +19.44%
10th Percentile £11.50 £10.93 £11.25
90th Percentile £45.00 £39.13 £46.50
England median hourly rate £24.95 £22.00 £25.00
% change year-on-year +13.41% -12.00% -

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 6 months to 15 June 2019.

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 15 June 2019. 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
Shropshire +3 62 £458 -16.82% 2
Coventry -2 58 £463 -2.63% 4
Birmingham -29 52 £475 +11.76% 15
Solihull +5 3 - - 5
Warwickshire +5 2 £350 -20.00% 2
Worcestershire -16 1 - - 3
TDD
England

For the 6 months to 15 June 2019, 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.

1 174 (92.06%) Agile Software Development
2 119 (62.96%) Scrum
3 103 (54.50%) Git (software)
4 84 (44.44%) BDD
5 82 (43.39%) C#
6 80 (42.33%) Kanban
7 79 (41.80%) Continuous Integration
8 76 (40.21%) Microsoft Azure
9 74 (39.15%) .NET
10 71 (37.57%) Web Services
11 65 (34.39%) JavaScript
12 63 (33.33%) SQL Server
13 62 (32.80%) HTML
14 58 (30.69%) CSS
15 54 (28.57%) Java
15 54 (28.57%) ASP.NET
16 52 (27.51%) SOLID
17 50 (26.46%) ASP.NET Web API
17 50 (26.46%) MVC
18 49 (25.93%) ASP.NET MVC
19 44 (23.28%) Dapper ORM
20 43 (22.75%) Microservices
20 43 (22.75%) Spring
21 42 (22.22%) SQL
22 38 (20.11%) REST
22 38 (20.11%) .NET Framework
23 37 (19.58%) DevOps
24 36 (19.05%) Amazon AWS
25 34 (17.99%) Docker
26 33 (17.46%) JIRA

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 30 (15.87%) Confluence
2 2 (1.06%) Apache Spark
2 2 (1.06%) CMS
2 2 (1.06%) SAS
Applications
1 2 (1.06%) Microsoft Office
2 1 (0.53%) Microsoft Excel
Business Applications
1 4 (2.12%) Dynamics CRM
Cloud Services
1 76 (40.21%) Microsoft Azure
2 36 (19.05%) Amazon AWS
3 17 (8.99%) Amazon EC2
3 17 (8.99%) Amazon SQS
4 11 (5.82%) Serverless
5 7 (3.70%) Azure Functions
5 7 (3.70%) Dynamics 365
5 7 (3.70%) GitHub
6 6 (3.17%) Cloud Computing
7 3 (1.59%) SaaS
8 2 (1.06%) Amazon EKS
8 2 (1.06%) OpenShift
8 2 (1.06%) PaaS
8 2 (1.06%) Virtual Private Cloud
9 1 (0.53%) Azure Data Factory
9 1 (0.53%) Azure ExpressRoute
9 1 (0.53%) Google Cloud Platform
9 1 (0.53%) Google Docs
9 1 (0.53%) Power Platform
9 1 (0.53%) Slack
Communications & Networking
1 5 (2.65%) HTTP
2 3 (1.59%) SSL
3 1 (0.53%) Internet
3 1 (0.53%) Skype
Database & Business Intelligence
1 63 (33.33%) SQL Server
2 25 (13.23%) Data Warehouse
3 18 (9.52%) PostgreSQL
4 17 (8.99%) Amazon RDS
5 11 (5.82%) MongoDB
6 6 (3.17%) SQL Server Integration Services
7 5 (2.65%) MySQL
7 5 (2.65%) SQL Server 2014
7 5 (2.65%) SQL Server 2016
7 5 (2.65%) SQL Server Analysis Services
7 5 (2.65%) SQL Server Reporting Services
8 3 (1.59%) Apache Cassandra
8 3 (1.59%) Azure SQL Database
8 3 (1.59%) Cosmos DB
8 3 (1.59%) SQL Server 2012
9 2 (1.06%) Big Data
9 2 (1.06%) Couchbase
9 2 (1.06%) Hadoop
9 2 (1.06%) NoSQL
10 1 (0.53%) Oracle Database 12c
Development Applications
1 103 (54.50%) Git (software)
2 33 (17.46%) JIRA
3 31 (16.40%) Jenkins
4 29 (15.34%) Maven
5 20 (10.58%) JUnit
5 20 (10.58%) Mockito
6 19 (10.05%) DbUnit
6 19 (10.05%) jMock
6 19 (10.05%) SonarQube
7 13 (6.88%) Selenium
8 9 (4.76%) Subversion
9 8 (4.23%) Cucumber
10 7 (3.70%) SpecFlow
11 6 (3.17%) Sonatype Nexus
11 6 (3.17%) Team Foundation Server
12 5 (2.65%) WebDriver
13 4 (2.12%) gulp
13 4 (2.12%) SoapUI
13 4 (2.12%) Visual Studio Team System
14 3 (1.59%) Android Studio
General
1 3 (1.59%) Advertising
1 3 (1.59%) Finance
1 3 (1.59%) Retail
2 2 (1.06%) Legal
3 1 (0.53%) French Language
Job Titles
1 128 (67.72%) Developer
2 39 (20.63%) Java Developer
3 35 (18.52%) .NET Developer
4 20 (10.58%) Lead Developer
5 19 (10.05%) Senior Developer
6 17 (8.99%) C# Developer
7 15 (7.94%) Engagement Manager
8 13 (6.88%) Agile Developer
9 12 (6.35%) Agile .NET Developer
9 12 (6.35%) C# .NET Developer
10 11 (5.82%) Project Manager
11 10 (5.29%) Agile C# Developer
11 10 (5.29%) Programmer
12 9 (4.76%) Scala Developer
13 8 (4.23%) Data Manager
14 7 (3.70%) Analytics Manager
14 7 (3.70%) Data Analytics Manager
14 7 (3.70%) DevOps Engineer
14 7 (3.70%) Senior .NET Developer
14 7 (3.70%) SQL Developer
Libraries, Frameworks & Software Standards
1 74 (39.15%) .NET
2 71 (37.57%) Web Services
3 62 (32.80%) HTML
4 58 (30.69%) CSS
5 54 (28.57%) ASP.NET
6 50 (26.46%) ASP.NET Web API
7 49 (25.93%) ASP.NET MVC
8 44 (23.28%) Dapper ORM
9 43 (22.75%) Spring
10 38 (20.11%) .NET Framework
10 38 (20.11%) REST
11 27 (14.29%) RESTful
12 24 (12.70%) SOAP
12 24 (12.70%) Spring Boot
13 19 (10.05%) PowerMock
14 18 (9.52%) JSON
15 16 (8.47%) ActiveMQ
15 16 (8.47%) AngularJS
15 16 (8.47%) Spring Cloud
16 15 (7.94%) Apache Camel
Miscellaneous
1 31 (16.40%) Enterprise Software
2 9 (4.76%) Greenfield Project
3 8 (4.23%) User Experience
4 6 (3.17%) Mobile App
5 4 (2.12%) Analytical Skills
6 2 (1.06%) Data Centre
6 2 (1.06%) NHS
7 1 (0.53%) Self-Motivation
Operating Systems
1 11 (5.82%) Linux
1 11 (5.82%) Unix
2 8 (4.23%) Windows
3 6 (3.17%) Red Hat Enterprise Linux
4 4 (2.12%) Android
5 3 (1.59%) Mac OS
5 3 (1.59%) Mac OS X
6 1 (0.53%) Apple iOS
Processes & Methodologies
1 174 (92.06%) Agile Software Development
2 119 (62.96%) Scrum
3 84 (44.44%) BDD
4 80 (42.33%) Kanban
5 79 (41.80%) Continuous Integration
6 52 (27.51%) SOLID
7 50 (26.46%) MVC
8 43 (22.75%) Microservices
9 37 (19.58%) DevOps
10 32 (16.93%) Digital Transformation Programme
11 28 (14.81%) Continuous Delivery
12 25 (13.23%) Business Intelligence
13 24 (12.70%) Analytics
13 24 (12.70%) Open Source
13 24 (12.70%) Project Management
14 22 (11.64%) Technical Leadership
14 22 (11.64%) Test Automation
15 21 (11.11%) Agile Project Management
16 18 (9.52%) Data Analytics
17 17 (8.99%) Problem-Solving
Programming Languages
1 82 (43.39%) C#
2 65 (34.39%) JavaScript
3 54 (28.57%) Java
4 42 (22.22%) SQL
5 11 (5.82%) Scala
6 8 (4.23%) Python
7 7 (3.70%) Java 8
8 6 (3.17%) Perl
8 6 (3.17%) PHP
8 6 (3.17%) T-SQL
9 3 (1.59%) Bash Shell
10 2 (1.06%) PL/SQL
11 1 (0.53%) Groovy
11 1 (0.53%) PowerShell
11 1 (0.53%) Ruby
Qualifications
1 21 (11.11%) SC Cleared
1 21 (11.11%) Security Cleared
2 2 (1.06%) ISEB
2 2 (1.06%) ISEB Practitioner
2 2 (1.06%) ISTQB Foundation Certification
3 1 (0.53%) Computer Science Degree
3 1 (0.53%) Degree
Quality Assurance & Compliance
1 8 (4.23%) QA
2 1 (0.53%) PMO
2 1 (0.53%) WCAG
System Software
1 34 (17.99%) Docker
2 16 (8.47%) Postfix
3 1 (0.53%) Virtual Machines
Systems Management
1 9 (4.76%) Ansible
2 6 (3.17%) Puppet
2 6 (3.17%) ZABBIX
3 5 (2.65%) Kubernetes
4 1 (0.53%) Grafana
4 1 (0.53%) Graphite
4 1 (0.53%) Kibana
4 1 (0.53%) Rundeck
Vendors
1 26 (13.76%) Atlassian
2 18 (9.52%) WSO2
3 12 (6.35%) Microsoft
4 8 (4.23%) Red Hat
5 4 (2.12%) Oracle
6 2 (1.06%) Splunk
7 1 (0.53%) DevExpress
7 1 (0.53%) Dynatrace
7 1 (0.53%) Google
7 1 (0.53%) Talend