Period
to 18 February 2018

The following table provides summary statistics for contract job vacancies advertised in Birmingham 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 18 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)
West Midlands > Birmingham
6 months to
18 Feb 2018
Same period 2017 Same period 2016
Rank 11 56 46
Rank change year-on-year +45 -10 +21
Contract jobs citing TDD 142 43 38
As % of all contract IT jobs advertised in Birmingham 9.00% 3.12% 2.91%
As % of the Processes & Methodologies category 10.96% 3.79% 3.68%
Number of daily rates quoted 111 24 37
Birmingham median daily rate £338 £425 £500
Median daily rate % change year-on-year -20.59% -15.00% +33.33%
10th Percentile £225 £319 £313
90th Percentile £500 £488 £600
West Midlands median daily rate £400 £400 £413
% change year-on-year - -3.03% +10.00%
Number of hourly rates quoted 0 0 0
Birmingham median hourly rate - - -
West Midlands median hourly rate £33.00 - -

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 Birmingham with a requirement for process or methodology skills.

All Process and Methodology Skills
Birmingham
Contract vacancies with a requirement for process or methodology skills 1,296 1,134 1,033
As % of all contract IT jobs advertised in Birmingham 82.13% 82.35% 79.10%
Number of daily rates quoted 915 723 654
Birmingham median daily rate £400 £400 £375
Median daily rate % change year-on-year - +6.67% -
10th Percentile £225 £250 £218
90th Percentile £550 £545 £525
West Midlands median daily rate £401 £400 £388
% change year-on-year +0.13% +3.23% +6.90%
Number of hourly rates quoted 37 28 35
Birmingham median hourly rate £16.21 £17.25 £15.00
Median hourly rate % change year-on-year -6.03% +15.00% -25.00%
10th Percentile £9.22 £10.84 £9.53
90th Percentile £47.75 £39.88 £47.20
West Midlands median hourly rate £23.99 £21.75 £20.00
% change year-on-year +10.30% +8.75% -11.11%

TDD
Job Vacancy Trend in Birmingham

Job postings citing TDD as a percentage of all IT jobs advertised in Birmingham.

Job vacancy trend for TDD in Birmingham

TDD
Contractor Daily Rate Trend in Birmingham

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing TDD in Birmingham.

Contractor daily rate trend for TDD in Birmingham

TDD
Contractor Daily Rate Histogram in Birmingham

The daily rate distribution of IT jobs citing TDD in Birmingham over the 6 months to 18 February 2018.

Contractor daily rate histogram for TDD in Birmingham

For the 6 months to 18 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 Birmingham region with a requirement for TDD.

1 123 (86.62%) Agile Software Development
2 75 (52.82%) Java
3 64 (45.07%) Digital Media
4 61 (42.96%) JavaScript
5 58 (40.85%) Web Services
6 54 (38.03%) HTML
7 52 (36.62%) Spring
8 50 (35.21%) Maven
9 49 (34.51%) CSS
10 48 (33.80%) HTML5
11 44 (30.99%) jQuery
12 43 (30.28%) CSS3
13 40 (28.17%) Continuous Integration
13 40 (28.17%) BDD
14 36 (25.35%) Front End Development
15 35 (24.65%) Scrum
16 32 (22.54%) Git (software)
17 30 (21.13%) RESTful
17 30 (21.13%) Java SE
18 28 (19.72%) Kanban
19 23 (16.20%) Mentoring
20 22 (15.49%) Jenkins
20 22 (15.49%) Amazon AWS
21 21 (14.79%) J2EE
22 20 (14.08%) JUnit
22 20 (14.08%) Mockito
23 19 (13.38%) DbUnit
23 19 (13.38%) Test Automation
23 19 (13.38%) PowerMock
23 19 (13.38%) SonarQube

TDD
Co-occurring IT Skills in Birmingham 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 (7.75%) Tomcat
2 5 (3.52%) Apache
3 3 (2.11%) Cloud Foundry
3 3 (2.11%) JBoss
3 3 (2.11%) nginx
3 3 (2.11%) WildFly
4 2 (1.41%) Elasticsearch
5 1 (0.70%) Mule
5 1 (0.70%) SharePoint
5 1 (0.70%) WordPress
Applications
1 1 (0.70%) GIMP
1 1 (0.70%) Photoshop
Business Applications
1 1 (0.70%) Dynamics CRM
1 1 (0.70%) Oracle EBS
Cloud Services
1 22 (15.49%) Amazon AWS
2 15 (10.56%) Amazon EC2
3 11 (7.75%) Microsoft Azure
4 4 (2.82%) GitHub
5 2 (1.41%) PaaS
6 1 (0.70%) Google Cloud Platform
6 1 (0.70%) SaaS
Communications & Networking
1 2 (1.41%) HTTP
1 2 (1.41%) VoIP
2 1 (0.70%) SMS
Database & Business Intelligence
1 11 (7.75%) PostgreSQL
2 7 (4.93%) RDBMS
2 7 (4.93%) Relational Database
2 7 (4.93%) SQL Server
3 5 (3.52%) Data Warehouse
4 4 (2.82%) SQL Server 2016
5 3 (2.11%) JasperReports
5 3 (2.11%) MongoDB
5 3 (2.11%) MySQL
5 3 (2.11%) SQL Server 2012
5 3 (2.11%) SQL Server 2014
5 3 (2.11%) SQL Server Analysis Services
5 3 (2.11%) SQL Server Reporting Services
6 2 (1.41%) MariaDB
6 2 (1.41%) NoSQL
6 2 (1.41%) QlikView
6 2 (1.41%) SQL Server Integration Services
7 1 (0.70%) Apache Cassandra
7 1 (0.70%) Neo4j
7 1 (0.70%) Power BI
Development Applications
1 50 (35.21%) Maven
2 32 (22.54%) Git (software)
3 22 (15.49%) Jenkins
4 20 (14.08%) JUnit
4 20 (14.08%) Mockito
5 19 (13.38%) DbUnit
5 19 (13.38%) jMock
5 19 (13.38%) SonarQube
6 6 (4.23%) Cucumber
7 4 (2.82%) Selenium
8 3 (2.11%) Team Foundation Server
8 3 (2.11%) Visual Studio
9 2 (1.41%) JHipster
9 2 (1.41%) JIRA
9 2 (1.41%) Liquibase
9 2 (1.41%) SpecFlow
10 1 (0.70%) git-flow
10 1 (0.70%) gulp
10 1 (0.70%) Subversion
10 1 (0.70%) VersionOne
General
1 6 (4.23%) Games
2 3 (2.11%) Retail
3 2 (1.41%) Law
4 1 (0.70%) Advertising
4 1 (0.70%) Marketing
Job Titles
1 117 (82.39%) Developer
2 58 (40.85%) Java Developer
3 40 (28.17%) Front End Developer (Client-Side Developer)
4 36 (25.35%) Lead Developer
5 19 (13.38%) Lead Java Developer
6 10 (7.04%) Full Stack Developer
7 9 (6.34%) Senior Developer
8 8 (5.63%) Architect
9 7 (4.93%) Agile Developer
9 7 (4.93%) Agile Java Developer
9 7 (4.93%) Angular Developer
9 7 (4.93%) PHP Developer
10 6 (4.23%) .NET Developer
10 6 (4.23%) Senior Java Developer
11 5 (3.52%) J2EE Developer
11 5 (3.52%) Java/J2EE Developer
12 4 (2.82%) Business Intelligence Developer
12 4 (2.82%) Scrum Master
12 4 (2.82%) Senior Front-End Developer
12 4 (2.82%) Technical Architect
Libraries, Frameworks & Software Standards
1 58 (40.85%) Web Services
2 54 (38.03%) HTML
3 52 (36.62%) Spring
4 49 (34.51%) CSS
5 48 (33.80%) HTML5
6 44 (30.99%) jQuery
7 43 (30.28%) CSS3
8 30 (21.13%) Java SE
8 30 (21.13%) RESTful
9 21 (14.79%) J2EE
10 19 (13.38%) PowerMock
10 19 (13.38%) SOAP
11 18 (12.68%) AngularJS
11 18 (12.68%) Apache Camel
12 12 (8.45%) Spring Boot
13 10 (7.04%) .NET
13 10 (7.04%) REST
14 9 (6.34%) React
14 9 (6.34%) XML
15 8 (5.63%) Angular 2
Miscellaneous
1 64 (45.07%) Digital Media
2 11 (7.75%) Greenfield Project
2 11 (7.75%) User Experience
3 3 (2.11%) Analytical Skills
3 3 (2.11%) Enterprise Software
4 2 (1.41%) NHS
5 1 (0.70%) Mobile App
5 1 (0.70%) Xbox
Operating Systems
1 9 (6.34%) Linux
2 5 (3.52%) Mac OS X
3 4 (2.82%) Unix
4 2 (1.41%) Android
5 1 (0.70%) Apple iOS
Processes & Methodologies
1 123 (86.62%) Agile Software Development
2 40 (28.17%) BDD
2 40 (28.17%) Continuous Integration
3 36 (25.35%) Front End Development
4 35 (24.65%) Scrum
5 28 (19.72%) Kanban
6 23 (16.20%) Mentoring
7 19 (13.38%) Test Automation
8 15 (10.56%) Virtual Infrastructure
9 14 (9.86%) E-Commerce
9 14 (9.86%) Open Source
10 11 (7.75%) MVC
11 10 (7.04%) Continuous Delivery
11 10 (7.04%) Microservices
12 9 (6.34%) DevOps
13 8 (5.63%) OO
13 8 (5.63%) Web Development
14 7 (4.93%) Business Intelligence
15 6 (4.23%) SOLID
16 5 (3.52%) SDLC
Programming Languages
1 75 (52.82%) Java
2 61 (42.96%) JavaScript
3 12 (8.45%) SQL
4 11 (7.75%) C#
5 8 (5.63%) PHP
6 6 (4.23%) Python
6 6 (4.23%) Ruby
7 4 (2.82%) PL/SQL
8 3 (2.11%) Scala
9 2 (1.41%) Groovy
10 1 (0.70%) Apple Swift
10 1 (0.70%) C
10 1 (0.70%) C++
10 1 (0.70%) Clojure
10 1 (0.70%) Erlang
10 1 (0.70%) F#
10 1 (0.70%) Haskell
10 1 (0.70%) PHP 5
10 1 (0.70%) Shell Script
Qualifications
1 15 (10.56%) Security Cleared
2 10 (7.04%) SC Cleared
3 4 (2.82%) Degree
4 2 (1.41%) BPSS Clearance
4 2 (1.41%) DBS Check
Quality Assurance & Compliance
1 3 (2.11%) Disclosure Scotland
2 2 (1.41%) PMO
System Software
1 15 (10.56%) VMware Infrastructure
1 15 (10.56%) vSphere
2 9 (6.34%) Docker
3 1 (0.70%) Virtual Machines
Vendors
1 15 (10.56%) VMware
2 5 (3.52%) Zend
3 4 (2.82%) Google
3 4 (2.82%) Microsoft
3 4 (2.82%) Oracle
4 3 (2.11%) Unisys
4 3 (2.11%) WSO2
5 2 (1.41%) Jaspersoft
6 1 (0.70%) CA Agile Central
6 1 (0.70%) Xamarin