Period
to 21 August 2018

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 21 August 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.

Acceptance Test-Driven Development (ATDD)
Central London > City of London
6 months to
21 Aug 2018
Same period 2017 Same period 2016
Rank 251 227 232
Rank change year-on-year -24 +5 +54
Contract jobs citing ATDD 9 23 16
As % of all contract IT jobs advertised in the City of London 0.13% 0.35% 0.24%
As % of the Processes & Methodologies category 0.15% 0.39% 0.27%
Number of daily rates quoted 9 20 15
City of London median daily rate £550 £488 £417
Median daily rate % change year-on-year +12.82% +16.91% -1.88%
10th Percentile £416 £401 £326
90th Percentile £738 £738 £613
Central London median daily rate £563 £475 £417
% change year-on-year +18.42% +13.84% -1.82%
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 6,116 5,889 5,938
As % of all contract IT jobs advertised in the City of London 87.17% 88.89% 87.84%
Number of daily rates quoted 4,848 4,551 4,777
City of London median daily rate £509 £500 £475
Median daily rate % change year-on-year +1.75% +5.26% +5.21%
10th Percentile £325 £325 £313
90th Percentile £688 £675 £650
Central London median daily rate £500 £500 £475
% change year-on-year - +5.26% +5.56%
Number of hourly rates quoted 106 55 43
City of London median hourly rate £18.70 £20.54 £20.00
Median hourly rate % change year-on-year -8.96% +2.70% -4.76%
10th Percentile £13.28 £13.33 £11.25
90th Percentile £27.03 £31.20 £46.31
Central London median hourly rate £18.70 £19.00 £20.00
% change year-on-year -1.58% -5.00% -2.44%

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 21 August 2018.

Contractor daily rate histogram for ATDD in the City of London

For the 6 months to 21 August 2018, IT contractor jobs citing ATDD 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 City of London region with a requirement for ATDD.

1 8 (88.89%) Agile Software Development
2 7 (77.78%) BDD
3 6 (66.67%) Java
4 5 (55.56%) TDD
4 5 (55.56%) Scrum
4 5 (55.56%) Python
4 5 (55.56%) Test Automation
4 5 (55.56%) Scala
5 4 (44.44%) NoSQL
5 4 (44.44%) QA
5 4 (44.44%) SOA
5 4 (44.44%) JavaScript
5 4 (44.44%) SQL
5 4 (44.44%) C#
5 4 (44.44%) OOP
5 4 (44.44%) OO
6 3 (33.33%) .NET
6 3 (33.33%) Banking
6 3 (33.33%) Retail
6 3 (33.33%) Selenium
6 3 (33.33%) Software Engineering
6 3 (33.33%) JSON
6 3 (33.33%) JIRA
6 3 (33.33%) Node.js
6 3 (33.33%) Continuous Improvement
6 3 (33.33%) Big Data
6 3 (33.33%) Microservices
6 3 (33.33%) Jenkins
6 3 (33.33%) Data Lake
6 3 (33.33%) Collaborative Working

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 2 (22.22%) Apache
1 2 (22.22%) Apache Pig
1 2 (22.22%) Apache Spark
1 2 (22.22%) Confluence
2 1 (11.11%) Cloud Foundry
2 1 (11.11%) Mule
2 1 (11.11%) Tomcat
Business Applications
1 1 (11.11%) Dynamics CRM
Cloud Services
1 2 (22.22%) Amazon AWS
2 1 (11.11%) AWS Lambda
2 1 (11.11%) GitHub
2 1 (11.11%) IaaS
2 1 (11.11%) PaaS
2 1 (11.11%) Sauce Labs
2 1 (11.11%) Serverless
2 1 (11.11%) Slack
Database & Business Intelligence
1 4 (44.44%) NoSQL
2 3 (33.33%) Big Data
2 3 (33.33%) Data Lake
3 2 (22.22%) Apache Hive
3 2 (22.22%) Hadoop
4 1 (11.11%) SQL Server
Development Applications
1 3 (33.33%) Jenkins
1 3 (33.33%) JIRA
1 3 (33.33%) Selenium
2 2 (22.22%) Git (software)
2 2 (22.22%) WebDriver
3 1 (11.11%) Babel
3 1 (11.11%) Bitbucket
3 1 (11.11%) Capybara
3 1 (11.11%) Cucumber
3 1 (11.11%) Jasmine
3 1 (11.11%) JUnit
3 1 (11.11%) Maven
3 1 (11.11%) Mocha
3 1 (11.11%) NUnit
3 1 (11.11%) Protractor
3 1 (11.11%) SonarQube
3 1 (11.11%) SpecFlow
3 1 (11.11%) Subversion
3 1 (11.11%) Team Foundation Server
3 1 (11.11%) Visual Studio
General
1 3 (33.33%) Banking
1 3 (33.33%) Retail
2 2 (22.22%) Finance
2 2 (22.22%) Investment Banking
Job Titles
1 4 (44.44%) Developer
2 3 (33.33%) QA Engineer
3 2 (22.22%) Automation Engineer
3 2 (22.22%) QA Automation Engineer
3 2 (22.22%) Scala Developer
4 1 (11.11%) Data Engineer
4 1 (11.11%) Developer in Test
4 1 (11.11%) DevOps Engineer
4 1 (11.11%) Full Stack Developer
4 1 (11.11%) Test Automation Engineer
4 1 (11.11%) Test Engineer
Libraries, Frameworks & Software Standards
1 3 (33.33%) .NET
1 3 (33.33%) JSON
1 3 (33.33%) Node.js
2 2 (22.22%) Akka
2 2 (22.22%) AngularJS
2 2 (22.22%) CSS
2 2 (22.22%) CSS3
2 2 (22.22%) HTML
2 2 (22.22%) HTML5
2 2 (22.22%) Web Services
3 1 (11.11%) Chai
3 1 (11.11%) Gherkin
3 1 (11.11%) LESS
3 1 (11.11%) React
3 1 (11.11%) Redux
3 1 (11.11%) Sass
3 1 (11.11%) Spring
3 1 (11.11%) Spring Boot
3 1 (11.11%) WireMock
3 1 (11.11%) XML
Miscellaneous
1 2 (22.22%) Algorithms
2 1 (11.11%) Mobile App
2 1 (11.11%) User Experience
2 1 (11.11%) Video on Demand
2 1 (11.11%) Video\Live Streaming
Processes & Methodologies
1 8 (88.89%) Agile Software Development
2 7 (77.78%) BDD
3 5 (55.56%) Scrum
3 5 (55.56%) TDD
3 5 (55.56%) Test Automation
4 4 (44.44%) OO
4 4 (44.44%) OOP
4 4 (44.44%) SOA
5 3 (33.33%) Collaborative Working
5 3 (33.33%) Continuous Improvement
5 3 (33.33%) Microservices
5 3 (33.33%) Problem-Solving
5 3 (33.33%) Software Engineering
6 2 (22.22%) DevOps
6 2 (22.22%) Kanban
7 1 (11.11%) Continuous Integration
7 1 (11.11%) Cross-Platform Development
7 1 (11.11%) Mobile First
7 1 (11.11%) Open Source
7 1 (11.11%) QA Automation
Programming Languages
1 6 (66.67%) Java
2 5 (55.56%) Python
2 5 (55.56%) Scala
3 4 (44.44%) C#
3 4 (44.44%) JavaScript
3 4 (44.44%) SQL
4 3 (33.33%) Java 8
5 2 (22.22%) Ruby
6 1 (11.11%) ES6
Qualifications
1 1 (11.11%) Degree
1 1 (11.11%) DV Cleared
1 1 (11.11%) Security Cleared
Quality Assurance & Compliance
1 4 (44.44%) QA
Vendors
1 1 (11.11%) AppDynamics
1 1 (11.11%) Microsoft
1 1 (11.11%) Oracle
1 1 (11.11%) Splunk