The following table provides summary statistics for contract job vacancies advertised in Bracknell with a requirement for TDD skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited TDD over the 3 months to 22 June 2017 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)
Berkshire / Bracknell
3 months to
22 Jun 2017
Same period 2016 Same period 2015
Rank 15 31 26
Rank change year-on-year +16 -5  
Contract jobs citing TDD 14 7 7
As % of all contract IT jobs advertised in Bracknell 6.36% 2.49% 2.85%
As % of the Processes & Methodologies category 7.18% 2.90% 3.41%
Number of daily rates quoted 7 3 1
Median daily rate £525 £513 £425
Median daily rate % change year-on-year +2.43% +20.58%  
UK excluding London median daily rate £420 £413 £375
% change year-on-year +1.81% +10.00%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £41.50 £40.00 £42.50
% change year-on-year +3.75% -5.88%  

TDD is in the process and methodology skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Bracknell with a requirement for process and methodology skills.

Contract Process & Methodology Skills
Bracknell
Contract job vacancies with a requirement for process and methodology skills 195 241 205
As % of all contract IT job vacancies advertised in Bracknell 88.64% 85.77% 83.33%
Number of daily rates quoted 70 114 95
Median daily rate £450 £425 £400
Median daily rate % change year-on-year +5.88% +6.25%  
90% offered a daily rate of more than £165 £200 £175
10% offered a daily rate of more than £550 £550 £500
UK excluding London median daily rate £415 £400 £385
% change year-on-year +3.75% +3.89%  
Number of hourly rates quoted 25 40 19
Median hourly rate £12.00 £12.50 £18.75
Median hourly rate % change year-on-year -4.00% -33.33%  
UK excluding London median hourly rate £33.50 £28.50 £30.00
% change year-on-year +17.54% -5.00%  

TDD
Job Vacancy Trend in Bracknell

The job posting trend of jobs advertised in Bracknell citing TDD as a proportion of all contract or permanent IT jobs with a match in the Processes & Methodologies category.

Job vacancy trend for TDD in Bracknell

TDD
Contractor Daily Rate Trend in Bracknell

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

Contractor daily rate trend for TDD in Bracknell

TDD
Contractor Daily Rate Histogram in Bracknell

The daily rate distribution of IT jobs citing TDD in Bracknell over the 3 months to 22 June 2017.

Contractor daily rate histogram for TDD in Bracknell

For the 6 months to 22 June 2017, IT contractor jobs citing TDD also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the Bracknell region with a requirement for TDD.

1 31 (88.57%) Java
2 29 (82.86%) BDD
3 27 (77.14%) Agile Software Development
4 24 (68.57%) REST
5 22 (62.86%) Gradle
5 22 (62.86%) Maven
6 21 (60.00%) OO
6 21 (60.00%) JavaScript
7 19 (54.29%) Scrum
8 18 (51.43%) Web Services
8 18 (51.43%) OOP
8 18 (51.43%) Test Automation
9 17 (48.57%) Content Management
10 15 (42.86%) JMeter
10 15 (42.86%) Selenium
10 15 (42.86%) XML
10 15 (42.86%) Amazon AWS
10 15 (42.86%) WebDriver
11 14 (40.00%) Splunk
11 14 (40.00%) Groovy
11 14 (40.00%) Sitecore CMS
11 14 (40.00%) Sitecore
11 14 (40.00%) Bitbucket
11 14 (40.00%) Apache Ivy
11 14 (40.00%) eggPlant
11 14 (40.00%) Ant
11 14 (40.00%) Python
11 14 (40.00%) HTTP
11 14 (40.00%) Project Management
11 14 (40.00%) Ruby

TDD
Co-occurring IT Skills in Bracknell 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 14 (40.00%) CMS
1 14 (40.00%) Sitecore CMS
2 8 (22.86%) Confluence
3 5 (14.29%) Apache Solr
3 5 (14.29%) Elasticsearch
4 4 (11.43%) Adobe Experience Manager
5 1 (2.86%) Drupal
5 1 (2.86%) WebSphere
5 1 (2.86%) WebSphere Application Server
Cloud Services
1 15 (42.86%) Amazon AWS
2 5 (14.29%) Amazon CloudWatch
2 5 (14.29%) Amazon EC2
2 5 (14.29%) Amazon ElastiCache
2 5 (14.29%) Amazon S3
2 5 (14.29%) Amazon SQS
2 5 (14.29%) AWS Lambda
2 5 (14.29%) CloudFront
Communications & Networking
1 14 (40.00%) HTTP
2 2 (5.71%) Internet
Database & Business Intelligence
1 5 (14.29%) Amazon DynamoDB
2 3 (8.57%) Relational Database
3 2 (5.71%) RDBMS
4 1 (2.86%) DB2
4 1 (2.86%) MySQL
4 1 (2.86%) NoSQL
Development Applications
1 22 (62.86%) Gradle
1 22 (62.86%) Maven
2 15 (42.86%) JMeter
2 15 (42.86%) Selenium
2 15 (42.86%) WebDriver
3 14 (40.00%) Ant
3 14 (40.00%) Apache Ivy
3 14 (40.00%) Bitbucket
3 14 (40.00%) eggPlant
4 10 (28.57%) Git (software)
5 9 (25.71%) Gatling
5 9 (25.71%) JIRA
5 9 (25.71%) NeoLoad
6 8 (22.86%) Eclipse
6 8 (22.86%) IntelliJ
6 8 (22.86%) Jenkins
6 8 (22.86%) JUnit
6 8 (22.86%) Mercurial
7 3 (8.57%) Checkstyle
7 3 (8.57%) SonarQube
General
1 1 (2.86%) Retail
Job Titles
1 24 (68.57%) Developer
2 11 (31.43%) Java Developer
3 6 (17.14%) Performance Engineer
4 5 (14.29%) Developer in Test
4 5 (14.29%) Software Developer
5 4 (11.43%) Senior Developer
5 4 (11.43%) Senior Java Developer
6 3 (8.57%) AWS Developer
7 2 (5.71%) JavaScript Developer
7 2 (5.71%) Performance Tester
7 2 (5.71%) Senior Performance Tester
7 2 (5.71%) Senior Tester
7 2 (5.71%) Tester
8 1 (2.86%) Analyst
8 1 (2.86%) Cloud Developer
8 1 (2.86%) Development Analyst
8 1 (2.86%) PHP Developer
8 1 (2.86%) PHP Symfony Developer
8 1 (2.86%) Senior Data Warehouse Specialist
8 1 (2.86%) Test Analyst
Libraries, Frameworks & Software Standards
1 24 (68.57%) REST
2 18 (51.43%) Web Services
3 15 (42.86%) XML
4 14 (40.00%) JSON
5 13 (37.14%) React
6 10 (28.57%) Spring
7 8 (22.86%) JSF
7 8 (22.86%) Spring MVC
7 8 (22.86%) Struts
8 4 (11.43%) HTML
9 3 (8.57%) AngularJS
10 2 (5.71%) CSS
10 2 (5.71%) CSS3
10 2 (5.71%) HTML5
11 1 (2.86%) Hibernate
11 1 (2.86%) JDBC
11 1 (2.86%) JSP
11 1 (2.86%) Laravel
11 1 (2.86%) RESTful
11 1 (2.86%) Symfony
Miscellaneous
1 11 (31.43%) Analytical Skills
2 2 (5.71%) Computer Science
2 2 (5.71%) Enterprise Software
2 2 (5.71%) User Experience
Processes & Methodologies
1 29 (82.86%) BDD
2 27 (77.14%) Agile Software Development
3 21 (60.00%) OO
4 19 (54.29%) Scrum
5 18 (51.43%) OOP
5 18 (51.43%) Test Automation
6 17 (48.57%) Content Management
7 14 (40.00%) Project Management
8 13 (37.14%) Continuous Integration
8 13 (37.14%) Unit Testing
9 12 (34.29%) Visualisation
10 11 (31.43%) Pair Programming
10 11 (31.43%) User Stories
11 10 (28.57%) DevOps
11 10 (28.57%) Kanban
11 10 (28.57%) Microservices
12 9 (25.71%) Manual Testing
13 8 (22.86%) MVC
13 8 (22.86%) SOA
14 7 (20.00%) Test Scripting
Programming Languages
1 31 (88.57%) Java
2 21 (60.00%) JavaScript
3 14 (40.00%) Groovy
3 14 (40.00%) Python
3 14 (40.00%) Ruby
4 9 (25.71%) C++
5 1 (2.86%) ES6
5 1 (2.86%) PHP
5 1 (2.86%) Scala
Qualifications
1 2 (5.71%) Computer Science Degree
1 2 (5.71%) Degree
1 2 (5.71%) Master's Degree
Quality Assurance & Compliance
1 7 (20.00%) QA
System Software
1 9 (25.71%) Docker
Systems Management
1 9 (25.71%) HP Fortify
Vendors
1 14 (40.00%) Sitecore
1 14 (40.00%) Splunk
2 9 (25.71%) HP
3 4 (11.43%) Adobe
4 2 (5.71%) Oracle