Period
to 17 February 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 17 February 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
17 Feb 2018
Same period 2017 Same period 2016
Rank 239 209 227
Rank change year-on-year -30 +18 +42
Contract jobs citing ATDD 12 22 8
As % of all contract IT jobs advertised in the City of London 0.17% 0.36% 0.12%
As % of the Processes & Methodologies category 0.19% 0.41% 0.14%
Number of daily rates quoted 11 17 4
City of London median daily rate £575 £428 £468
Median daily rate % change year-on-year +34.50% -8.56% +16.88%
10th Percentile £446 £390 £402
90th Percentile £738 £755 £569
Central London median daily rate £550 £428 £520
% change year-on-year +28.65% -17.79% +30.00%
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 6,186 5,364 5,814
As % of all contract IT jobs advertised in the City of London 87.63% 87.09% 86.22%
Number of daily rates quoted 4,938 4,261 4,651
City of London median daily rate £505 £488 £475
Median daily rate % change year-on-year +3.59% +2.63% +5.56%
10th Percentile £334 £313 £293
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 70 53 61
City of London median hourly rate £18.70 £20.50 £21.13
Median hourly rate % change year-on-year -8.78% -2.98% +11.21%
10th Percentile £11.60 £13.55 £12.50
90th Percentile £37.38 £55.00 £51.25
Central London median hourly rate £20.00 £19.46 £21.13
% change year-on-year +2.77% -7.90% +19.04%

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 17 February 2018.

Contractor daily rate histogram for ATDD in the City of London

For the 6 months to 17 February 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 12 (100.00%) Agile Software Development
1 12 (100.00%) TDD
2 8 (66.67%) Cucumber
2 8 (66.67%) BDD
3 6 (50.00%) Java
3 6 (50.00%) Continuous Integration
3 6 (50.00%) Test Automation
4 5 (41.67%) Kanban
4 5 (41.67%) Continuous Delivery
5 4 (33.33%) DevOps
5 4 (33.33%) Coaching
5 4 (33.33%) Jenkins
5 4 (33.33%) Mobile App
5 4 (33.33%) FxCop
5 4 (33.33%) Hudson
5 4 (33.33%) SpecFlow
5 4 (33.33%) Git (software)
5 4 (33.33%) C#
5 4 (33.33%) Maven
5 4 (33.33%) Checkstyle
5 4 (33.33%) SOLID
5 4 (33.33%) Sonatype Nexus
6 3 (25.00%) Functional Testing
6 3 (25.00%) Ruby
6 3 (25.00%) JSON
6 3 (25.00%) RESTful
6 3 (25.00%) Web Services
6 3 (25.00%) XML
6 3 (25.00%) Scrum
6 3 (25.00%) Xcode

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 (16.67%) Apache
1 2 (16.67%) Apache Pig
1 2 (16.67%) Apache Spark
Communications & Networking
1 1 (8.33%) SMS
Database & Business Intelligence
1 2 (16.67%) Apache Hive
1 2 (16.67%) Big Data
1 2 (16.67%) Hadoop
Development Applications
1 8 (66.67%) Cucumber
2 4 (33.33%) Checkstyle
2 4 (33.33%) FxCop
2 4 (33.33%) Git (software)
2 4 (33.33%) Hudson
2 4 (33.33%) Jenkins
2 4 (33.33%) Maven
2 4 (33.33%) Sonatype Nexus
2 4 (33.33%) SpecFlow
3 3 (25.00%) Appium
3 3 (25.00%) Calabash
3 3 (25.00%) Xcode
4 2 (16.67%) JIRA
5 1 (8.33%) Babel
5 1 (8.33%) JMeter
5 1 (8.33%) Selenium
5 1 (8.33%) SoapUI
5 1 (8.33%) webpack
General
1 2 (16.67%) Banking
1 2 (16.67%) Finance
1 2 (16.67%) Investment Banking
2 1 (8.33%) Games
Job Titles
1 6 (50.00%) Developer
2 4 (33.33%) Agile Coach
3 3 (25.00%) Developer in Test
4 2 (16.67%) Scala Developer
4 2 (16.67%) Scrum Master
5 1 (8.33%) Agile Developer
5 1 (8.33%) Analyst
5 1 (8.33%) Mobile Test Analyst
5 1 (8.33%) Senior Agile Developer
5 1 (8.33%) Senior Developer
5 1 (8.33%) Technical Developer
5 1 (8.33%) Test Analyst
Libraries, Frameworks & Software Standards
1 3 (25.00%) Gherkin
1 3 (25.00%) JSON
1 3 (25.00%) RESTful
1 3 (25.00%) Web Services
1 3 (25.00%) XML
2 2 (16.67%) Akka
3 1 (8.33%) .NET
3 1 (8.33%) Node.js
3 1 (8.33%) React
3 1 (8.33%) React Native
3 1 (8.33%) RxJS
3 1 (8.33%) Sass
3 1 (8.33%) SOAP
3 1 (8.33%) Velocity
Miscellaneous
1 4 (33.33%) Mobile App
2 2 (16.67%) Algorithms
Operating Systems
1 1 (8.33%) Android
1 1 (8.33%) Apple iOS
Processes & Methodologies
1 12 (100.00%) Agile Software Development
1 12 (100.00%) TDD
2 8 (66.67%) BDD
3 6 (50.00%) Continuous Integration
3 6 (50.00%) Test Automation
4 5 (41.67%) Continuous Delivery
4 5 (41.67%) Kanban
5 4 (33.33%) Coaching
5 4 (33.33%) DevOps
5 4 (33.33%) SOLID
6 3 (25.00%) Continuous Improvement
6 3 (25.00%) Functional Testing
6 3 (25.00%) Scrum
6 3 (25.00%) User Stories
7 1 (8.33%) Agile Project Management
7 1 (8.33%) Continuous Improvement Process
7 1 (8.33%) Feature Driven Development
7 1 (8.33%) Logistics
7 1 (8.33%) Project Management
7 1 (8.33%) Software Engineering
Programming Languages
1 6 (50.00%) Java
2 4 (33.33%) C#
3 3 (25.00%) Apple Swift
3 3 (25.00%) Ruby
4 2 (16.67%) Python
4 2 (16.67%) Scala
5 1 (8.33%) TypeScript
Quality Assurance & Compliance
1 1 (8.33%) QA
System Software
1 1 (8.33%) Docker
Systems Management
1 1 (8.33%) Ansible
Vendors
1 1 (8.33%) HP