Period
to 10 December 2017

The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for ATDD skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited ATDD over the 6 months to 10 December 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)
Central London > City of London
6 months to
10 Dec 2017
Same period 2016 Same period 2015
Rank 230 220 252
Rank change year-on-year -10 +32 +25
Contract jobs citing ATDD 17 17 10
As % of all contract IT jobs advertised in the City of London 0.24% 0.26% 0.12%
As % of the Processes & Methodologies category 0.27% 0.30% 0.14%
Number of daily rates quoted 14 16 7
City of London median daily rate £543 £425 £475
Median daily rate % change year-on-year +27.65% -10.53% +18.75%
10th Percentile £423 £409 £306
90th Percentile £738 £775 £545
Central London median daily rate £446 £425 £488
% change year-on-year +4.94% -12.82% +21.88%
Number of hourly rates quoted 0 0 0
City of London median hourly rate - - -
Central London median hourly rate - - -

ATDD 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 City of London with a requirement for process or methodology skills.

All Process and Methodology Skills
City of London
Contract vacancies with a requirement for process or methodology skills 6316 5711 7231
As % of all contract IT jobs advertised in the City of London 88.45% 87.61% 84.63%
Number of daily rates quoted 5039 4539 5762
City of London median daily rate £510 £475 £475
Median daily rate % change year-on-year +7.37% - +5.56%
10th Percentile £325 £319 £288
90th Percentile £688 £675 £650
Central London median daily rate £500 £475 £463
% change year-on-year +5.26% +2.70% +2.78%
Number of hourly rates quoted 59 53 66
City of London median hourly rate £18.70 £20.00 £21.00
Median hourly rate % change year-on-year -6.50% -4.76% +10.53%
10th Percentile £13.00 £13.75 £12.14
90th Percentile £31.10 £55.00 £43.25
Central London median hourly rate £20.00 £19.00 £20.50
% change year-on-year +5.26% -7.32% +13.89%

ATDD
Job Vacancy Trend in the City of London

Job postings citing ATDD as a percentage of all IT jobs advertised in the City of London.

Job vacancy trend for ATDD in the City of London

ATDD
Contractor Daily Rate Trend in the City of London

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

Contractor daily rate trend for ATDD in the City of London

ATDD
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing ATDD in the City of London over the 6 months to 10 December 2017.

Contractor daily rate histogram for ATDD in the City of London

For the 6 months to 10 December 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 City of London region with a requirement for ATDD.

1 16 (94.12%) Agile Software Development
1 16 (94.12%) TDD
2 14 (82.35%) BDD
3 12 (70.59%) Cucumber
4 10 (58.82%) Java
5 8 (47.06%) Git (software)
5 8 (47.06%) Test Automation
5 8 (47.06%) Jenkins
6 7 (41.18%) DevOps
6 7 (41.18%) Kanban
6 7 (41.18%) JSON
7 6 (35.29%) C#
7 6 (35.29%) XML
7 6 (35.29%) Banking
7 6 (35.29%) Coaching
7 6 (35.29%) Mobile App
8 5 (29.41%) SpecFlow
8 5 (29.41%) Gherkin
8 5 (29.41%) Scrum
8 5 (29.41%) Web Services
8 5 (29.41%) Maven
8 5 (29.41%) Continuous Integration
8 5 (29.41%) RESTful
9 4 (23.53%) Checkstyle
9 4 (23.53%) Ruby
9 4 (23.53%) JIRA
9 4 (23.53%) JavaScript
9 4 (23.53%) Xcode
9 4 (23.53%) Finance
9 4 (23.53%) Python

ATDD
Co-occurring IT Skills in the City of London 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 4 (23.53%) Confluence
2 3 (17.65%) Apache
2 3 (17.65%) Apache Pig
2 3 (17.65%) Apache Spark
2 3 (17.65%) Cloud Foundry
3 2 (11.76%) Mule
Cloud Services
1 3 (17.65%) Amazon AWS
1 3 (17.65%) CloudBees
1 3 (17.65%) GitHub
1 3 (17.65%) IaaS
1 3 (17.65%) Microsoft Azure
1 3 (17.65%) OpenShift
1 3 (17.65%) PaaS
Database & Business Intelligence
1 3 (17.65%) Apache Hive
1 3 (17.65%) Big Data
1 3 (17.65%) Hadoop
Development Applications
1 12 (70.59%) Cucumber
2 8 (47.06%) Git (software)
2 8 (47.06%) Jenkins
3 5 (29.41%) Maven
3 5 (29.41%) SpecFlow
4 4 (23.53%) Appium
4 4 (23.53%) Calabash
4 4 (23.53%) Checkstyle
4 4 (23.53%) FxCop
4 4 (23.53%) Hudson
4 4 (23.53%) JIRA
4 4 (23.53%) Sonatype Nexus
4 4 (23.53%) Xcode
5 3 (17.65%) Jasmine
5 3 (17.65%) JUnit
5 3 (17.65%) Selenium
6 2 (11.76%) Capybara
6 2 (11.76%) Mocha
6 2 (11.76%) QUnit
6 2 (11.76%) SonarQube
General
1 6 (35.29%) Banking
2 4 (23.53%) Finance
3 3 (17.65%) Investment Banking
4 1 (5.88%) Retail Banking
4 1 (5.88%) Telecoms
Job Titles
1 10 (58.82%) Developer
2 4 (23.53%) Agile Coach
2 4 (23.53%) Developer in Test
3 3 (17.65%) Scala Developer
4 2 (11.76%) Team Leader
5 1 (5.88%) .NET Developer
5 1 (5.88%) Agile Developer
5 1 (5.88%) Front End Developer (Client-Side Developer)
5 1 (5.88%) Scrum Master
5 1 (5.88%) Senior Agile Developer
5 1 (5.88%) Senior Developer
5 1 (5.88%) Technical Developer
5 1 (5.88%) Test Automation Engineer
5 1 (5.88%) Test Engineer
5 1 (5.88%) WPF Developer
Libraries, Frameworks & Software Standards
1 7 (41.18%) JSON
2 6 (35.29%) XML
3 5 (29.41%) Gherkin
3 5 (29.41%) RESTful
3 5 (29.41%) Web Services
4 3 (17.65%) Akka
4 3 (17.65%) AngularJS
4 3 (17.65%) CSS
4 3 (17.65%) CSS3
4 3 (17.65%) Ember.js
4 3 (17.65%) HTML
4 3 (17.65%) HTML5
4 3 (17.65%) Sass
5 2 (11.76%) .NET
5 2 (11.76%) Apache Cordova
5 2 (11.76%) Dojo
5 2 (11.76%) jQuery
5 2 (11.76%) SOAP
5 2 (11.76%) Spring
5 2 (11.76%) Twitter Bootstrap
Miscellaneous
1 6 (35.29%) Mobile App
2 3 (17.65%) Algorithms
2 3 (17.65%) User Experience
3 1 (5.88%) Video on Demand
3 1 (5.88%) Video\Live Streaming
3 1 (5.88%) Virtual Team
Operating Systems
1 3 (17.65%) Android
1 3 (17.65%) Apple iOS
2 1 (5.88%) Unix
2 1 (5.88%) Windows
Processes & Methodologies
1 16 (94.12%) Agile Software Development
1 16 (94.12%) TDD
2 14 (82.35%) BDD
3 8 (47.06%) Test Automation
4 7 (41.18%) DevOps
4 7 (41.18%) Kanban
5 6 (35.29%) Coaching
6 5 (29.41%) Continuous Integration
6 5 (29.41%) Scrum
7 4 (23.53%) Continuous Delivery
7 4 (23.53%) Functional Testing
7 4 (23.53%) SOLID
8 3 (17.65%) Prototyping
8 3 (17.65%) Software Delivery
9 2 (11.76%) Continuous Improvement
9 2 (11.76%) Cross-Platform Development
9 2 (11.76%) Mentoring
9 2 (11.76%) Mobile First
9 2 (11.76%) User Stories
10 1 (5.88%) Mobile Transformation
Programming Languages
1 10 (58.82%) Java
2 6 (35.29%) C#
3 4 (23.53%) Apple Swift
3 4 (23.53%) JavaScript
3 4 (23.53%) Python
3 4 (23.53%) Ruby
4 3 (17.65%) Scala
5 1 (5.88%) PHP
Qualifications
1 1 (5.88%) Degree
1 1 (5.88%) SC Cleared
1 1 (5.88%) Security Cleared
Quality Assurance & Compliance
1 1 (5.88%) QA
System Software
1 2 (11.76%) Docker
Vendors
1 2 (11.76%) Telerik
1 2 (11.76%) Xamarin
2 1 (5.88%) CA Agile Central