Period
to 18 June 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 June 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 Jun 2018
Same period 2017 Same period 2016
Rank 11 33 47
Rank change year-on-year +22 +14 -11
Contract jobs citing TDD 146 53 55
As % of all contract IT jobs advertised in Birmingham 9.83% 4.27% 3.81%
As % of the Processes & Methodologies category 11.87% 5.22% 4.59%
Number of daily rates quoted 99 36 40
Birmingham median daily rate £425 £400 £375
Median daily rate % change year-on-year +6.25% +6.67% -
10th Percentile £263 £292 £300
90th Percentile £600 £500 £464
West Midlands median daily rate £431 £375 £425
% change year-on-year +15.00% -11.76% +19.72%
Number of hourly rates quoted 0 0 0
Birmingham median hourly rate - - -
West Midlands median hourly rate - - -

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 1,230 1,016 1,199
As % of all contract IT jobs advertised in Birmingham 82.83% 81.87% 83.03%
Number of daily rates quoted 832 680 799
Birmingham median daily rate £413 £400 £375
Median daily rate % change year-on-year +3.13% +6.67% +2.74%
10th Percentile £263 £263 £215
90th Percentile £575 £525 £528
West Midlands median daily rate £425 £400 £400
% change year-on-year +6.25% - +6.67%
Number of hourly rates quoted 44 17 35
Birmingham median hourly rate £15.00 £14.22 £14.50
Median hourly rate % change year-on-year +5.52% -1.97% -35.56%
10th Percentile £8.39 £10.75 £10.73
90th Percentile £42.50 £40.25 £41.10
West Midlands median hourly rate £15.00 £21.50 £17.95
% change year-on-year -30.23% +19.78% -21.96%

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 June 2018.

Contractor daily rate histogram for TDD in Birmingham

For the 6 months to 18 June 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.

1 112 (76.71%) Agile Software Development
2 91 (62.33%) Java
3 75 (51.37%) JavaScript
4 64 (43.84%) HTML
5 63 (43.15%) BDD
6 61 (41.78%) Git (software)
7 58 (39.73%) Web Services
8 57 (39.04%) CSS
9 55 (37.67%) Scrum
9 55 (37.67%) Continuous Integration
10 53 (36.30%) RESTful
11 52 (35.62%) Spring
12 46 (31.51%) Security Cleared
12 46 (31.51%) Apache Camel
13 40 (27.40%) HTML5
14 39 (26.71%) Kanban
15 38 (26.03%) SC Cleared
16 37 (25.34%) Spring Boot
17 35 (23.97%) Maven
18 34 (23.29%) jQuery
19 32 (21.92%) CSS3
20 31 (21.23%) Jenkins
20 31 (21.23%) React
21 30 (20.55%) SOAP
22 29 (19.86%) J2EE
23 28 (19.18%) SQL
24 27 (18.49%) JUnit
24 27 (18.49%) PowerMock
24 27 (18.49%) jMock
24 27 (18.49%) Mockito

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 18 (12.33%) WebSphere
2 7 (4.79%) Tomcat
3 5 (3.42%) Apache
4 3 (2.05%) Elasticsearch
4 3 (2.05%) JBoss
4 3 (2.05%) nginx
4 3 (2.05%) WildFly
5 1 (0.68%) Cloud Foundry
5 1 (0.68%) Confluence
Applications
1 14 (9.59%) GIMP
1 14 (9.59%) Photoshop
Business Applications
1 1 (0.68%) Oracle EBS
Cloud Services
1 23 (15.75%) Amazon AWS
2 16 (10.96%) Amazon EC2
3 14 (9.59%) Microsoft Azure
4 4 (2.74%) npm
4 4 (2.74%) SaaS
5 3 (2.05%) GitHub
5 3 (2.05%) Yarn
6 2 (1.37%) IaaS
6 2 (1.37%) PaaS
7 1 (0.68%) Cloud Computing
7 1 (0.68%) Dynamics 365
7 1 (0.68%) Google Cloud Platform
Communications & Networking
1 4 (2.74%) SMS
1 4 (2.74%) VoIP
2 1 (0.68%) HTTP
Database & Business Intelligence
1 23 (15.75%) SQL Server
2 20 (13.70%) Relational Database
3 19 (13.01%) PostgreSQL
4 8 (5.48%) NoSQL
5 7 (4.79%) Data Warehouse
6 5 (3.42%) RDBMS
7 3 (2.05%) JasperReports
7 3 (2.05%) MongoDB
7 3 (2.05%) MySQL
8 2 (1.37%) Apache Cassandra
8 2 (1.37%) Azure SQL Database
8 2 (1.37%) Neo4j
8 2 (1.37%) QlikView
8 2 (1.37%) SQL Server 2012
8 2 (1.37%) SQL Server 2014
8 2 (1.37%) SQL Server 2016
8 2 (1.37%) SQL Server Analysis Services
8 2 (1.37%) SQL Server Integration Services
8 2 (1.37%) SQL Server Reporting Services
9 1 (0.68%) Semantic Layer
Development Applications
1 61 (41.78%) Git (software)
2 35 (23.97%) Maven
3 31 (21.23%) Jenkins
4 27 (18.49%) DbUnit
4 27 (18.49%) jMock
4 27 (18.49%) JUnit
4 27 (18.49%) Mockito
4 27 (18.49%) SonarQube
5 16 (10.96%) Subversion
6 12 (8.22%) Selenium
7 11 (7.53%) Cucumber
8 5 (3.42%) gulp
9 4 (2.74%) JIRA
9 4 (2.74%) Visual Studio
9 4 (2.74%) webpack
10 3 (2.05%) Jasmine
10 3 (2.05%) Karma Test Runner
10 3 (2.05%) SoapUI
11 2 (1.37%) GitLab
11 2 (1.37%) Grunt
General
1 8 (5.48%) Retail
2 5 (3.42%) Games
3 2 (1.37%) Finance
4 1 (0.68%) Advertising
4 1 (0.68%) Electronics
4 1 (0.68%) Manufacturing
4 1 (0.68%) Marketing
4 1 (0.68%) Telecoms
Job Titles
1 116 (79.45%) Developer
2 71 (48.63%) Java Developer
3 21 (14.38%) Front End Developer (Client-Side Developer)
3 21 (14.38%) Full Stack Developer
4 16 (10.96%) JavaScript Developer
5 15 (10.27%) Angular Developer
5 15 (10.27%) HTML CSS Developer
5 15 (10.27%) HTML Developer
5 15 (10.27%) J2EE Developer
5 15 (10.27%) Java/J2EE Developer
5 15 (10.27%) Lead Developer
5 15 (10.27%) UI Developer
6 10 (6.85%) Architect
6 10 (6.85%) Senior Developer
7 9 (6.16%) Agile Developer
8 8 (5.48%) Lead Java Developer
8 8 (5.48%) Test Leader
9 7 (4.79%) .NET Developer
9 7 (4.79%) Project Leader
10 6 (4.11%) Senior Java Developer
Libraries, Frameworks & Software Standards
1 64 (43.84%) HTML
2 58 (39.73%) Web Services
3 57 (39.04%) CSS
4 53 (36.30%) RESTful
5 52 (35.62%) Spring
6 46 (31.51%) Apache Camel
7 40 (27.40%) HTML5
8 37 (25.34%) Spring Boot
9 34 (23.29%) jQuery
10 32 (21.92%) CSS3
11 31 (21.23%) React
12 30 (20.55%) SOAP
13 29 (19.86%) J2EE
14 27 (18.49%) PowerMock
15 26 (17.81%) Hibernate
15 26 (17.81%) KnockoutJS
16 24 (16.44%) AngularJS
17 22 (15.07%) Sass
18 21 (14.38%) RabbitMQ
19 19 (13.01%) LESS
Miscellaneous
1 24 (16.44%) User Experience
2 20 (13.70%) Digital Media
3 7 (4.79%) NHS
4 6 (4.11%) Analytical Skills
5 5 (3.42%) Greenfield Project
6 4 (2.74%) Self-Motivation
7 3 (2.05%) Enterprise Software
8 2 (1.37%) Data Centre
8 2 (1.37%) Data Structures
9 1 (0.68%) Blog
9 1 (0.68%) Mobile App
Operating Systems
1 6 (4.11%) Linux
1 6 (4.11%) Mac OS X
2 5 (3.42%) Unix
3 2 (1.37%) Windows
Processes & Methodologies
1 112 (76.71%) Agile Software Development
2 63 (43.15%) BDD
3 55 (37.67%) Continuous Integration
3 55 (37.67%) Scrum
4 39 (26.71%) Kanban
5 25 (17.12%) Microservices
6 22 (15.07%) Test Automation
7 21 (14.38%) E-Commerce
8 18 (12.33%) Front End Development
8 18 (12.33%) Wireframes
9 17 (11.64%) DevOps
9 17 (11.64%) Mentoring
9 17 (11.64%) Migration
9 17 (11.64%) MVC
10 16 (10.96%) Virtual Infrastructure
11 15 (10.27%) Business Intelligence
11 15 (10.27%) Open Source
12 14 (9.59%) Continuous Delivery
12 14 (9.59%) Cross-Browser Compatibility
13 10 (6.85%) SDLC
Programming Languages
1 91 (62.33%) Java
2 75 (51.37%) JavaScript
3 28 (19.18%) SQL
4 27 (18.49%) Java 8
5 13 (8.90%) C#
6 8 (5.48%) Ruby
7 5 (3.42%) Python
8 4 (2.74%) PHP
8 4 (2.74%) TypeScript
9 3 (2.05%) ES6
9 3 (2.05%) ES7
9 3 (2.05%) ES8
9 3 (2.05%) PL/SQL
10 2 (1.37%) C
10 2 (1.37%) PHP 7
10 2 (1.37%) Scala
11 1 (0.68%) Clojure
11 1 (0.68%) Haskell
11 1 (0.68%) Shell Script
11 1 (0.68%) XAML
Qualifications
1 46 (31.51%) Security Cleared
2 38 (26.03%) SC Cleared
3 4 (2.74%) DBS Check
3 4 (2.74%) ISTQB
4 3 (2.05%) BPSS Clearance
4 3 (2.05%) ISEB
5 2 (1.37%) Degree
Quality Assurance & Compliance
1 5 (3.42%) PMO
2 3 (2.05%) QA
3 1 (0.68%) Disclosure Scotland
System Software
1 18 (12.33%) Docker
2 16 (10.96%) VMware Infrastructure
2 16 (10.96%) vSphere
3 1 (0.68%) Virtual Machines
Systems Management
1 2 (1.37%) Capistrano
2 1 (0.68%) Business Desktop Deployment
2 1 (0.68%) Kibana
2 1 (0.68%) Single Sign-On
Vendors
1 17 (11.64%) IBM
2 16 (10.96%) VMware
3 7 (4.79%) Microsoft
4 5 (3.42%) Oracle
4 5 (3.42%) Xamarin
5 4 (2.74%) Jaspersoft
6 3 (2.05%) Capita
6 3 (2.05%) Google
6 3 (2.05%) Unisys
6 3 (2.05%) WSO2
7 1 (0.68%) CA Agile Central
7 1 (0.68%) SAP
7 1 (0.68%) Splunk
7 1 (0.68%) Zend