Period
to 13 December 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 13 December 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
13 Dec 2018
Same period 2017 Same period 2016
Rank 34 31 66
Rank change year-on-year -3 +35 -7
Contract jobs citing TDD 321 255 185
As % of all contract IT jobs advertised in the West Midlands 6.18% 5.19% 3.11%
As % of the Processes & Methodologies category 7.13% 6.19% 3.68%
Number of daily rates quoted 178 176 122
West Midlands median daily rate £450 £388 £400
Median daily rate % change year-on-year +16.13% -3.13% +6.67%
10th Percentile £363 £244 £313
90th Percentile £566 £522 £524
England median daily rate £513 £500 £460
% change year-on-year +2.50% +8.70% +2.22%
Number of hourly rates quoted 3 2 0
West Midlands median hourly rate £55.00 £33.00 -
Median hourly rate % change year-on-year +66.67% - -
England median hourly rate £43.75 £45.00 £42.50
% change year-on-year -2.78% +5.88% +6.25%

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 4,501 4,119 5,033
As % of all contract IT jobs advertised in the West Midlands 86.61% 83.87% 84.50%
Number of daily rates quoted 2,775 2,646 3,015
West Midlands median daily rate £425 £400 £400
Median daily rate % change year-on-year +6.25% - +6.67%
10th Percentile £269 £240 £250
90th Percentile £575 £548 £550
England median daily rate £475 £450 £425
% change year-on-year +5.56% +5.88% -
Number of hourly rates quoted 149 144 150
West Midlands median hourly rate £15.86 £25.00 £18.00
Median hourly rate % change year-on-year -36.56% +38.89% -10.00%
10th Percentile £10.98 £11.37 £10.61
90th Percentile £43.75 £48.75 £40.03
England median hourly rate £22.00 £24.69 £22.84
% change year-on-year -10.88% +8.10% +3.80%

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 13 December 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
Contractor Hourly Rate Histogram in the West Midlands

The hourly rate distribution of IT jobs citing TDD in the West Midlands over the 6 months to 13 December 2018.

Contractor hourly rate histogram 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 13 December 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
Shropshire +4 107 £470 -10.48% 14
Birmingham +11 106 £450 +33.33% 27
Coventry -1 66 £450 +4.35% 5
Staffordshire -7 18 £480 +30.61% 19
Solihull +3 2 - - 4
Herefordshire -16 1 - - 1
TDD
England

For the 6 months to 13 December 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.

1 257 (80.06%) Agile Software Development
2 158 (49.22%) Git (software)
3 141 (43.93%) Scrum
4 134 (41.74%) JavaScript
5 133 (41.43%) HTML
6 127 (39.56%) CSS
7 125 (38.94%) Java
8 115 (35.83%) BDD
9 114 (35.51%) Microservices
10 110 (34.27%) Continuous Integration
11 109 (33.96%) Spring
12 100 (31.15%) Web Services
13 97 (30.22%) C#
13 97 (30.22%) Kanban
13 97 (30.22%) DevOps
14 95 (29.60%) Spring Boot
15 93 (28.97%) .NET
16 87 (27.10%) SQL Server
16 87 (27.10%) Test Automation
17 86 (26.79%) REST
18 85 (26.48%) Jenkins
19 84 (26.17%) Docker
20 81 (25.23%) MVC
21 79 (24.61%) SQL
22 77 (23.99%) Apache Camel
23 74 (23.05%) Microsoft Azure
24 71 (22.12%) ASP.NET
25 59 (18.38%) HTML5
26 58 (18.07%) Security Cleared
27 54 (16.82%) 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 29 (9.03%) Confluence
2 24 (7.48%) WebSphere
3 6 (1.87%) Oracle SOA Suite
4 5 (1.56%) CMS
4 5 (1.56%) Sitecore CMS
5 3 (0.93%) Apache
6 2 (0.62%) Apache Spark
6 2 (0.62%) Documentum
6 2 (0.62%) Elasticsearch
6 2 (0.62%) EPiServer
7 1 (0.31%) Drupal
7 1 (0.31%) SharePoint
Applications
1 4 (1.25%) GIMP
1 4 (1.25%) Photoshop
Business Applications
1 4 (1.25%) Dynamics CRM
2 2 (0.62%) Magento
3 1 (0.31%) Oracle Retail
3 1 (0.31%) Shopify
Cloud Services
1 74 (23.05%) Microsoft Azure
2 50 (15.58%) Amazon AWS
3 19 (5.92%) Cloud Computing
4 14 (4.36%) GitHub
4 14 (4.36%) Google Analytics
5 11 (3.43%) Amazon EC2
6 10 (3.12%) Dynamics 365
6 10 (3.12%) Slack
7 8 (2.49%) SaaS
8 7 (2.18%) Serverless
9 6 (1.87%) Azure Functions
10 1 (0.31%) Google Cloud Platform
10 1 (0.31%) npm
10 1 (0.31%) Yarn
Communications & Networking
1 10 (3.12%) Skype
2 2 (0.62%) SMS
Database & Business Intelligence
1 87 (27.10%) SQL Server
2 33 (10.28%) Relational Database
3 31 (9.66%) PostgreSQL
4 27 (8.41%) MongoDB
5 23 (7.17%) MySQL
6 9 (2.80%) Apache Cassandra
6 9 (2.80%) NoSQL
7 8 (2.49%) SQLite
8 7 (2.18%) Data Warehouse
9 6 (1.87%) Big Data
10 5 (1.56%) Oracle Database
11 4 (1.25%) Oracle Reports
12 2 (0.62%) RDBMS
12 2 (0.62%) Redis
13 1 (0.31%) Cosmos DB
13 1 (0.31%) Hadoop
13 1 (0.31%) HBase
13 1 (0.31%) SQL Server 2012
13 1 (0.31%) SQL Server Integration Services
Development Applications
1 158 (49.22%) Git (software)
2 85 (26.48%) Jenkins
3 54 (16.82%) JIRA
4 51 (15.89%) Selenium
5 50 (15.58%) Subversion
6 49 (15.26%) Cucumber
7 44 (13.71%) Maven
8 40 (12.46%) SonarQube
9 37 (11.53%) Mockito
10 24 (7.48%) SoapUI
11 23 (7.17%) JUnit
12 22 (6.85%) DbUnit
12 22 (6.85%) jMock
12 22 (6.85%) Visual Studio
13 21 (6.54%) IntelliJ
13 21 (6.54%) WebDriver
14 20 (6.23%) gulp
14 20 (6.23%) Sonatype Nexus
15 19 (5.92%) Team Foundation Server
16 17 (5.30%) Visual Studio Team System
General
1 10 (3.12%) Retail
2 9 (2.80%) Finance
3 4 (1.25%) Automotive
4 2 (0.62%) Back Office
4 2 (0.62%) Games
4 2 (0.62%) Telecoms
5 1 (0.31%) Military
Job Titles
1 218 (67.91%) Developer
2 82 (25.55%) Java Developer
3 49 (15.26%) .NET Developer
4 33 (10.28%) Architect
5 27 (8.41%) Agile Developer
6 26 (8.10%) Full Stack Developer
7 20 (6.23%) C# Developer
7 20 (6.23%) DevOps Engineer
8 19 (5.92%) Analyst
9 17 (5.30%) Scala Developer
10 16 (4.98%) Senior Developer
11 14 (4.36%) Agile Java Developer
11 14 (4.36%) AWS Developer
11 14 (4.36%) AWS DevOps
11 14 (4.36%) AWS DevOps Engineer
11 14 (4.36%) AWS Engineer
11 14 (4.36%) Azure Developer
11 14 (4.36%) C# .NET Developer
12 13 (4.05%) Angular Developer
12 13 (4.05%) Java/J2EE Developer
Libraries, Frameworks & Software Standards
1 133 (41.43%) HTML
2 127 (39.56%) CSS
3 109 (33.96%) Spring
4 100 (31.15%) Web Services
5 95 (29.60%) Spring Boot
6 93 (28.97%) .NET
7 86 (26.79%) REST
8 77 (23.99%) Apache Camel
9 71 (22.12%) ASP.NET
10 59 (18.38%) HTML5
11 53 (16.51%) JSON
12 50 (15.58%) RESTful
13 49 (15.26%) SOAP
14 45 (14.02%) Hibernate
15 44 (13.71%) .NET Framework
16 43 (13.40%) jQuery
17 40 (12.46%) ASP.NET MVC
17 40 (12.46%) Middleware
18 34 (10.59%) ASP.NET Web API
19 33 (10.28%) RabbitMQ
Miscellaneous
1 39 (12.15%) User Experience
2 31 (9.66%) Enterprise Software
3 15 (4.67%) Mobile App
3 15 (4.67%) Public Cloud
4 11 (3.43%) Self-Motivation
5 9 (2.80%) iPhone
6 6 (1.87%) Analytical Skills
6 6 (1.87%) Greenfield Project
6 6 (1.87%) NHS
7 3 (0.93%) iPad
8 2 (0.62%) Digital Media
9 1 (0.31%) Blog
9 1 (0.31%) Management Information System
Operating Systems
1 33 (10.28%) Linux
2 29 (9.03%) Windows
3 24 (7.48%) Red Hat Enterprise Linux
4 12 (3.74%) Android
5 10 (3.12%) Apple iOS
5 10 (3.12%) Mac OS
6 5 (1.56%) Unix
7 4 (1.25%) Mac OS X
7 4 (1.25%) Windows Server
Processes & Methodologies
1 257 (80.06%) Agile Software Development
2 141 (43.93%) Scrum
3 115 (35.83%) BDD
4 114 (35.51%) Microservices
5 110 (34.27%) Continuous Integration
6 97 (30.22%) DevOps
6 97 (30.22%) Kanban
7 87 (27.10%) Test Automation
8 81 (25.23%) MVC
9 48 (14.95%) SOLID
10 39 (12.15%) SOA
11 35 (10.90%) Migration
11 35 (10.90%) Open Source
12 34 (10.59%) Problem-Solving
12 34 (10.59%) Test Strategy
13 29 (9.03%) Configuration Management
13 29 (9.03%) Deployment Automation
14 25 (7.79%) Trunk-Based Development
15 24 (7.48%) SDLC
16 22 (6.85%) Continuous Deployment
Programming Languages
1 134 (41.74%) JavaScript
2 125 (38.94%) Java
3 97 (30.22%) C#
4 79 (24.61%) SQL
5 44 (13.71%) Java 8
6 25 (7.79%) Python
7 22 (6.85%) Scala
8 20 (6.23%) Perl
8 20 (6.23%) Ruby
9 15 (4.67%) Groovy
9 15 (4.67%) PHP
10 10 (3.12%) Apple Swift
10 10 (3.12%) Bash Shell
10 10 (3.12%) Objective-C
11 4 (1.25%) PowerShell
12 3 (0.93%) ES6
12 3 (0.93%) TypeScript
13 2 (0.62%) ES7
13 2 (0.62%) ES8
13 2 (0.62%) VB.NET
Qualifications
1 58 (18.07%) Security Cleared
2 51 (15.89%) SC Cleared
3 6 (1.87%) CITP
3 6 (1.87%) Degree
3 6 (1.87%) ISTQB
4 5 (1.56%) ISEB
5 1 (0.31%) BC Cleared
5 1 (0.31%) BPSS Clearance
5 1 (0.31%) DBS Check
Quality Assurance & Compliance
1 22 (6.85%) QA
2 5 (1.56%) PMO
3 1 (0.31%) Disclosure Scotland
3 1 (0.31%) WCAG
System Software
1 84 (26.17%) Docker
2 12 (3.74%) VMware Infrastructure
3 10 (3.12%) vSphere
4 3 (0.93%) LXC
Systems Management
1 26 (8.10%) Ansible
2 24 (7.48%) Puppet
3 19 (5.92%) ZABBIX
4 12 (3.74%) Kibana
5 11 (3.43%) Grafana
5 11 (3.43%) Graphite
5 11 (3.43%) Kubernetes
6 10 (3.12%) HockeyApp
7 4 (1.25%) Single Sign-On
8 3 (0.93%) Mesos
8 3 (0.93%) Opscode Chef
8 3 (0.93%) Terraform
Vendors
1 41 (12.77%) Microsoft
2 33 (10.28%) WSO2
3 25 (7.79%) Oracle
4 24 (7.48%) IBM
4 24 (7.48%) Red Hat
5 16 (4.98%) Google
5 16 (4.98%) VMware
6 12 (3.74%) Atlassian
6 12 (3.74%) Splunk
7 10 (3.12%) Twitter
7 10 (3.12%) Xamarin
8 9 (2.80%) Apple
9 5 (1.56%) Sitecore
10 4 (1.25%) Hitachi
11 3 (0.93%) ATG
11 3 (0.93%) Demandware
11 3 (0.93%) hybris
12 2 (0.62%) Pega
12 2 (0.62%) Zend
13 1 (0.31%) Progress