The following table provides summary statistics for contract job vacancies advertised in the East of England with a requirement for ATDD skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited ATDD over the 3 months to 29 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.

Acceptance Test-Driven Development (ATDD)
England / East of England
3 months to
29 Jun 2017
Same period 2016 Same period 2015
Rank - 129 144
Contract jobs citing ATDD 0 4 2
As % of all contract IT jobs advertised in the East of England - 0.16% 0.065%
As % of the Processes & Methodologies category - 0.19% 0.081%
Number of daily rates quoted 0 2 0
Median daily rate - £250 -
UK excluding London median daily rate £420 £394 £413
% change year-on-year +6.66% -4.54%  
Number of hourly rates quoted 0 1 0
Median hourly rate - £36.00 -
UK excluding London median hourly rate - £36.00 -

ATDD 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 the East of England with a requirement for process and methodology skills.

Contract Process & Methodology Skills
East of England
Contract job vacancies with a requirement for process and methodology skills 1967 2053 2461
As % of all contract IT job vacancies advertised in the East of England 83.70% 80.26% 80.08%
Number of daily rates quoted 4811 4492 4820
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 £284 £255 £261
10% offered a daily rate of more than £588 £588 £550
UK excluding London median daily rate £415 £400 £380
% change year-on-year +3.75% +5.26%  
Number of hourly rates quoted 383 409 430
Median hourly rate £35.00 £31.00 £33.00
Median hourly rate % change year-on-year +12.90% -6.06%  
90% offered a hourly rate of more than £13.00 £15.75 £11.25
10% offered a hourly rate of more than £63.75 £47.50 £50.00
UK excluding London median hourly rate £33.50 £28.00 £30.00
% change year-on-year +19.64% -6.66%  

ATDD
Job Vacancy Trend in the East of England

Job postings citing ATDD as a percentage of all IT jobs advertised in the East of England.

Job vacancy trend for ATDD in the East of England

ATDD
Contractor Daily Rate Trend in the East of England

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing ATDD in the East of England.

Contractor daily rate trend for ATDD in the East of England

For the 6 months to 29 June 2017, IT contractor jobs citing ATDD 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 East of England region with a requirement for ATDD.

1 13 (100.00%) Agile Software Development
1 13 (100.00%) TDD
2 12 (92.31%) BDD
3 9 (69.23%) QA
4 8 (61.54%) Test Automation
5 7 (53.85%) Java
5 7 (53.85%) JIRA
5 7 (53.85%) Continuous Delivery
6 6 (46.15%) Feature Driven Development
6 6 (46.15%) Jenkins
6 6 (46.15%) C#
6 6 (46.15%) TeamCity
6 6 (46.15%) Maven
7 5 (38.46%) Git (software)
7 5 (38.46%) Ant
7 5 (38.46%) E-Commerce
7 5 (38.46%) SDET
8 4 (30.77%) Rust
8 4 (30.77%) API Testing
8 4 (30.77%) Gradle
8 4 (30.77%) SpecFlow
8 4 (30.77%) Ansible
8 4 (30.77%) Go
8 4 (30.77%) Opscode Chef
8 4 (30.77%) Data Structures
8 4 (30.77%) Clojure
8 4 (30.77%) Puppet
8 4 (30.77%) OOD
8 4 (30.77%) OO
8 4 (30.77%) Continuous Integration

ATDD
Co-occurring IT Skills in the East of England 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 1 (7.69%) Confluence
1 1 (7.69%) Tomcat
Cloud Services
1 3 (23.08%) Amazon AWS
Database & Business Intelligence
1 1 (7.69%) SQL Server
Development Applications
1 7 (53.85%) JIRA
2 6 (46.15%) Jenkins
2 6 (46.15%) Maven
2 6 (46.15%) TeamCity
3 5 (38.46%) Ant
3 5 (38.46%) Git (software)
4 4 (30.77%) Gradle
4 4 (30.77%) SpecFlow
5 3 (23.08%) Cucumber
5 3 (23.08%) JUnit
6 2 (15.38%) Atlassian Bamboo
6 2 (15.38%) JBehave
6 2 (15.38%) Selenium
6 2 (15.38%) TestNG
6 2 (15.38%) WebDriver
7 1 (7.69%) FitNesse
7 1 (7.69%) Mockito
7 1 (7.69%) Moq
7 1 (7.69%) SoapUI
7 1 (7.69%) Team Foundation Server
General
1 2 (15.38%) Finance
1 2 (15.38%) Retail
2 1 (7.69%) Games
2 1 (7.69%) Legal
Job Titles
1 4 (30.77%) Developer
2 3 (23.08%) Test Automation Engineer
2 3 (23.08%) Test Engineer
3 2 (15.38%) Architect
3 2 (15.38%) Java Developer
3 2 (15.38%) Java Engineer
3 2 (15.38%) Senior Test Automation Engineer
3 2 (15.38%) Senior Test Engineer
3 2 (15.38%) Software Developer
3 2 (15.38%) Test Automation Architect
3 2 (15.38%) Test Manager
4 1 (7.69%) C# ASP.NET Developer
4 1 (7.69%) C# Software Developer
4 1 (7.69%) Scrum Master
4 1 (7.69%) Senior Architect
4 1 (7.69%) Senior Developer
4 1 (7.69%) Senior Test Architect
4 1 (7.69%) Software Engineer
4 1 (7.69%) Test Architect
4 1 (7.69%) Test Automation Manager
Libraries, Frameworks & Software Standards
1 2 (15.38%) Gherkin
2 1 (7.69%) .NET
2 1 (7.69%) .NET Framework
2 1 (7.69%) AngularJS
2 1 (7.69%) ASP.NET
2 1 (7.69%) ASP.NET MVC
2 1 (7.69%) ASP.NET Web API
2 1 (7.69%) Entity Framework
2 1 (7.69%) Hibernate
2 1 (7.69%) REST
2 1 (7.69%) RESTful
2 1 (7.69%) Spring
Miscellaneous
1 4 (30.77%) Data Structures
2 3 (23.08%) Algorithms
3 1 (7.69%) Greenfield Project
Processes & Methodologies
1 13 (100.00%) Agile Software Development
1 13 (100.00%) TDD
2 12 (92.31%) BDD
3 8 (61.54%) Test Automation
4 7 (53.85%) Continuous Delivery
5 6 (46.15%) Feature Driven Development
6 5 (38.46%) E-Commerce
6 5 (38.46%) SDET
7 4 (30.77%) API Testing
7 4 (30.77%) Continuous Integration
7 4 (30.77%) OO
7 4 (30.77%) OOD
8 3 (23.08%) Complexity Analysis
8 3 (23.08%) DevOps
8 3 (23.08%) Scrum
9 2 (15.38%) Defect Management
9 2 (15.38%) Non-Functional Testing
9 2 (15.38%) Open Source
9 2 (15.38%) System Integration Testing
9 2 (15.38%) Test Strategy
Programming Languages
1 7 (53.85%) Java
2 6 (46.15%) C#
3 4 (30.77%) Clojure
3 4 (30.77%) F#
3 4 (30.77%) Go
3 4 (30.77%) Rust
4 2 (15.38%) Perl
4 2 (15.38%) Python
4 2 (15.38%) Ruby
5 1 (7.69%) SQL
Quality Assurance & Compliance
1 9 (69.23%) QA
Systems Management
1 4 (30.77%) Ansible
1 4 (30.77%) Opscode Chef
1 4 (30.77%) Puppet
Vendors
1 1 (7.69%) Atlassian