Period
to 16 February 2020

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 16 February 2020 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
16 Feb 2020
Same period 2019 Same period 2018
Rank 56 34 30
Rank change year-on-year -22 -4 +23
Contract jobs citing TDD 112 297 282
As % of all contract IT jobs advertised in the West Midlands 3.60% 5.99% 5.89%
As % of the Processes & Methodologies category 4.33% 6.84% 6.98%
Number of daily rates quoted 81 161 206
West Midlands median daily rate £475 £463 £400
Median daily rate % change year-on-year +2.70% +15.63% -
10th Percentile £375 £381 £241
90th Percentile £538 £570 £550
England median daily rate £525 £515 £500
% change year-on-year +1.94% +3.00% +8.11%
Number of hourly rates quoted 7 4 2
West Midlands median hourly rate £35.00 £50.00 £33.00
Median hourly rate % change year-on-year -30.00% +51.52% -
England median hourly rate £45.00 £45.00 £45.00

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 2,585 4,345 4,038
As % of all contract IT jobs advertised in the West Midlands 83.01% 87.60% 84.30%
Number of daily rates quoted 1,576 2,689 2,544
West Midlands median daily rate £450 £428 £400
Median daily rate % change year-on-year +5.14% +7.00% -
10th Percentile £263 £281 £241
90th Percentile £588 £588 £550
England median daily rate £475 £475 £450
% change year-on-year - +5.56% +3.45%
Number of hourly rates quoted 129 117 149
West Midlands median hourly rate £17.50 £17.50 £24.98
Median hourly rate % change year-on-year - -29.94% +23.02%
10th Percentile £12.00 £10.88 £11.25
90th Percentile £40.30 £45.00 £48.75
England median hourly rate £22.50 £24.00 £24.09
% change year-on-year -6.25% -0.37% -1.67%

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 16 February 2020.

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 16 February 2020. 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 -6 62 £475 +2.70% 30
Coventry -22 16 £500 +5.26% 19
Shropshire -22 13 £372 -17.38% 2
Warwickshire +10 2 £425 +21.43% 3
Solihull +6 2 £463 - 5
Staffordshire +8 1 £338 -31.12% 12
Herefordshire - 1 £325 - 1
TDD
England

For the 6 months to 16 February 2020, 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.

1 103 (91.96%) Agile Software Development
2 75 (66.96%) BDD
3 73 (65.18%) Scrum
4 70 (62.50%) Git (software)
5 65 (58.04%) Continuous Integration
6 55 (49.11%) Microservices
7 54 (48.21%) Java
7 54 (48.21%) Web Services
8 52 (46.43%) RESTful
8 52 (46.43%) Jenkins
9 49 (43.75%) Kanban
9 49 (43.75%) Spring
10 48 (42.86%) JUnit
11 46 (41.07%) AWS
12 45 (40.18%) Mockito
12 45 (40.18%) SOAP
12 45 (40.18%) Maven
12 45 (40.18%) ActiveMQ
13 44 (39.29%) jMock
13 44 (39.29%) DbUnit
13 44 (39.29%) PowerMock
13 44 (39.29%) SonarQube
14 43 (38.39%) Amazon SQS
14 43 (38.39%) Amazon RDS
14 43 (38.39%) Amazon EC2
15 42 (37.50%) Postfix
15 42 (37.50%) Open Source
15 42 (37.50%) SQL
15 42 (37.50%) PostgreSQL
16 35 (31.25%) Azure

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 11 (9.82%) Confluence
2 2 (1.79%) CMS
3 1 (0.89%) Elasticsearch
3 1 (0.89%) Liferay
3 1 (0.89%) Tomcat
Cloud Services
1 46 (41.07%) AWS
2 43 (38.39%) Amazon EC2
2 43 (38.39%) Amazon SQS
3 35 (31.25%) Azure
4 6 (5.36%) BrowserStack
5 5 (4.46%) GitHub
6 4 (3.57%) Power Platform
6 4 (3.57%) Serverless
7 2 (1.79%) Azure Functions
8 1 (0.89%) GCP
8 1 (0.89%) PaaS
8 1 (0.89%) Sauce Labs
Communications & Networking
1 7 (6.25%) DSL
2 1 (0.89%) HTTP
Database & Business Intelligence
1 43 (38.39%) Amazon RDS
2 42 (37.50%) PostgreSQL
3 26 (23.21%) SQL Server
4 11 (9.82%) Data Warehouse
5 9 (8.04%) Azure SQL Database
5 9 (8.04%) SQL Server Integration Services
6 7 (6.25%) Relational Database
6 7 (6.25%) SQL Server 2014
6 7 (6.25%) SQL Server 2016
6 7 (6.25%) SQL Server Analysis Services
6 7 (6.25%) SQL Server Reporting Services
7 5 (4.46%) MongoDB
8 4 (3.57%) Power BI
9 3 (2.68%) NoSQL
10 2 (1.79%) Cosmos DB
10 2 (1.79%) MySQL
11 1 (0.89%) Cloud Spanner
11 1 (0.89%) Neo4j
11 1 (0.89%) RDBMS
11 1 (0.89%) Redis
Development Applications
1 70 (62.50%) Git (software)
2 52 (46.43%) Jenkins
3 48 (42.86%) JUnit
4 45 (40.18%) Maven
4 45 (40.18%) Mockito
5 44 (39.29%) DbUnit
5 44 (39.29%) jMock
5 44 (39.29%) SonarQube
6 11 (9.82%) JIRA
7 8 (7.14%) Selenium
8 7 (6.25%) Cucumber
8 7 (6.25%) Team Foundation Server
8 7 (6.25%) WebDriver
9 6 (5.36%) Gatling
10 4 (3.57%) Visual Studio Team System
11 3 (2.68%) Spock
11 3 (2.68%) webpack
12 2 (1.79%) Mocha
12 2 (1.79%) MSTest
12 2 (1.79%) NUnit
General
1 30 (26.79%) Public Sector
2 10 (8.93%) Finance
3 6 (5.36%) Banking
4 5 (4.46%) Retail
5 3 (2.68%) Manufacturing
6 2 (1.79%) Law
6 2 (1.79%) Marketing
7 1 (0.89%) Automotive
Job Titles
1 96 (85.71%) Developer
2 49 (43.75%) Java Developer
3 21 (18.75%) .NET Developer
4 18 (16.07%) SC Cleared Java Developer
5 16 (14.29%) Azure Developer
6 13 (11.61%) C# Developer
7 11 (9.82%) Senior Developer
8 10 (8.93%) C# .NET Developer
9 7 (6.25%) Agile Developer
9 7 (6.25%) Business Intelligence Developer
9 7 (6.25%) Senior Business Intelligence Developer
10 5 (4.46%) Agile .NET Developer
10 5 (4.46%) Lead Developer
10 5 (4.46%) Tester
11 4 (3.57%) Agile C# Developer
11 4 (3.57%) Data Warehouse Developer
11 4 (3.57%) Full Stack Developer
11 4 (3.57%) Senior Data Warehouse Developer
12 3 (2.68%) Engagement Manager
12 3 (2.68%) Senior Java Developer
Libraries, Frameworks & Software Standards
1 54 (48.21%) Web Services
2 52 (46.43%) RESTful
3 49 (43.75%) Spring
4 45 (40.18%) ActiveMQ
4 45 (40.18%) SOAP
5 44 (39.29%) PowerMock
6 34 (30.36%) AngularJS
6 34 (30.36%) Spring Cloud
7 32 (28.57%) Hibernate
7 32 (28.57%) JPA
8 31 (27.68%) .NET
9 29 (25.89%) HTML
10 26 (23.21%) REST
11 24 (21.43%) CSS
12 17 (15.18%) ASP.NET
13 14 (12.50%) .NET Framework
13 14 (12.50%) ASP.NET MVC
13 14 (12.50%) ASP.NET Web API
14 11 (9.82%) HTML5
15 10 (8.93%) Node.js
Miscellaneous
1 10 (8.93%) Enterprise Software
2 8 (7.14%) Greenfield Project
3 6 (5.36%) Robotics
4 5 (4.46%) NHS
5 1 (0.89%) Cloud Native
5 1 (0.89%) Mobile App
Operating Systems
1 5 (4.46%) Unix
2 3 (2.68%) Linux
3 1 (0.89%) Mac OS X
Processes & Methodologies
1 103 (91.96%) Agile Software Development
2 75 (66.96%) BDD
3 73 (65.18%) Scrum
4 65 (58.04%) Continuous Integration
5 55 (49.11%) Microservices
6 49 (43.75%) Kanban
7 42 (37.50%) Open Source
8 30 (26.79%) BPMN
9 24 (21.43%) SOLID
10 22 (19.64%) Migration
11 20 (17.86%) Biometrics
11 20 (17.86%) MVC
12 17 (15.18%) Test Automation
13 14 (12.50%) DevOps
14 11 (9.82%) Digital Transformation Programme
14 11 (9.82%) ETL
15 9 (8.04%) Architectural Design
15 9 (8.04%) User Stories
16 8 (7.14%) Continuous Delivery
16 8 (7.14%) Technical Leadership
Programming Languages
1 54 (48.21%) Java
2 42 (37.50%) SQL
3 34 (30.36%) C#
4 23 (20.54%) JavaScript
5 8 (7.14%) PowerShell
6 7 (6.25%) Groovy
6 7 (6.25%) Scala
7 5 (4.46%) Java 8
7 5 (4.46%) T-SQL
8 3 (2.68%) Bash Shell
8 3 (2.68%) ES6
9 1 (0.89%) Gremlin
9 1 (0.89%) PHP
9 1 (0.89%) Ruby
Qualifications
1 33 (29.46%) Security Cleared
2 30 (26.79%) SC Cleared
3 2 (1.79%) Degree
4 1 (0.89%) BPSS Clearance
Quality Assurance & Compliance
1 1 (0.89%) WCAG
System Software
1 42 (37.50%) Postfix
2 2 (1.79%) Docker
Systems Management
1 3 (2.68%) Kubernetes
2 2 (1.79%) Kibana
2 2 (1.79%) MIIS
3 1 (0.89%) logstash
Vendors
1 13 (11.61%) Microsoft
2 5 (4.46%) Atlassian
3 2 (1.79%) Sitecore
4 1 (0.89%) Google
4 1 (0.89%) Splunk
4 1 (0.89%) Zend