Period
to 23 May 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 23 May 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
23 May 2018
Same period 2017 Same period 2016
Rank 241 218 215
Rank change year-on-year -23 -3 +58
Contract jobs citing ATDD 11 20 16
As % of all contract IT jobs advertised in the City of London 0.16% 0.33% 0.25%
As % of the Processes & Methodologies category 0.18% 0.37% 0.28%
Number of daily rates quoted 10 15 12
City of London median daily rate £600 £450 £406
Median daily rate % change year-on-year +33.33% +10.77% -4.41%
10th Percentile £412 £388 £331
90th Percentile £738 £625 £571
Central London median daily rate £563 £450 £406
% change year-on-year +25.00% +10.77% -4.41%
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 6,060 5,361 5,672
As % of all contract IT jobs advertised in the City of London 87.45% 87.27% 87.88%
Number of daily rates quoted 4,789 4,140 4,546
City of London median daily rate £505 £500 £475
Median daily rate % change year-on-year +1.00% +5.26% +5.56%
10th Percentile £335 £313 £304
90th Percentile £688 £675 £650
Central London median daily rate £500 £480 £463
% change year-on-year +4.17% +3.78% +2.78%
Number of hourly rates quoted 94 43 57
City of London median hourly rate £18.70 £18.70 £20.00
Median hourly rate % change year-on-year - -6.50% -2.18%
10th Percentile £12.01 £13.00 £11.50
90th Percentile £36.20 £29.77 £54.50
Central London median hourly rate £19.38 £16.92 £20.00
% change year-on-year +14.51% -15.40% -2.18%

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 23 May 2018.

Contractor daily rate histogram for ATDD in the City of London

For the 6 months to 23 May 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 11 (100.00%) Agile Software Development
2 10 (90.91%) TDD
3 7 (63.64%) Java
4 5 (45.45%) Python
4 5 (45.45%) Scala
4 5 (45.45%) BDD
5 4 (36.36%) Apache Hive
5 4 (36.36%) Big Data
5 4 (36.36%) Hadoop
5 4 (36.36%) Test Automation
5 4 (36.36%) Continuous Integration
5 4 (36.36%) Kanban
5 4 (36.36%) Apache
5 4 (36.36%) Finance
5 4 (36.36%) Banking
5 4 (36.36%) Investment Banking
5 4 (36.36%) Apache Pig
5 4 (36.36%) Akka
5 4 (36.36%) Apache Spark
5 4 (36.36%) Algorithms
5 4 (36.36%) Java 8
6 3 (27.27%) Problem-Solving
6 3 (27.27%) DevOps
6 3 (27.27%) Jenkins
6 3 (27.27%) Continuous Delivery
6 3 (27.27%) C#
6 3 (27.27%) Scrum
6 3 (27.27%) JIRA
6 3 (27.27%) Cucumber
6 3 (27.27%) Continuous Improvement

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 (36.36%) Apache
1 4 (36.36%) Apache Pig
1 4 (36.36%) Apache Spark
Business Applications
1 1 (9.09%) Dynamics CRM
Cloud Services
1 1 (9.09%) Amazon AWS
1 1 (9.09%) AWS Lambda
1 1 (9.09%) Sauce Labs
1 1 (9.09%) Serverless
Communications & Networking
1 1 (9.09%) SMS
Database & Business Intelligence
1 4 (36.36%) Apache Hive
1 4 (36.36%) Big Data
1 4 (36.36%) Hadoop
2 1 (9.09%) Data Lake
2 1 (9.09%) NoSQL
2 1 (9.09%) SQL Server
Development Applications
1 3 (27.27%) Cucumber
1 3 (27.27%) Jenkins
1 3 (27.27%) JIRA
1 3 (27.27%) SpecFlow
2 2 (18.18%) Checkstyle
2 2 (18.18%) FxCop
2 2 (18.18%) Git (software)
2 2 (18.18%) Hudson
2 2 (18.18%) Maven
2 2 (18.18%) Selenium
2 2 (18.18%) Sonatype Nexus
3 1 (9.09%) Babel
3 1 (9.09%) Jasmine
3 1 (9.09%) JMeter
3 1 (9.09%) NUnit
3 1 (9.09%) Protractor
3 1 (9.09%) SoapUI
3 1 (9.09%) Team Foundation Server
3 1 (9.09%) WebDriver
3 1 (9.09%) webpack
General
1 4 (36.36%) Banking
1 4 (36.36%) Finance
1 4 (36.36%) Investment Banking
2 1 (9.09%) Games
2 1 (9.09%) Retail
Job Titles
1 4 (36.36%) Developer
1 4 (36.36%) Scala Developer
2 2 (18.18%) Agile Coach
2 2 (18.18%) Scrum Master
3 1 (9.09%) Analyst
3 1 (9.09%) Automation Engineer
3 1 (9.09%) DevOps Engineer
3 1 (9.09%) Mobile Test Analyst
3 1 (9.09%) QA Automation Engineer
3 1 (9.09%) QA Engineer
3 1 (9.09%) Test Analyst
Libraries, Frameworks & Software Standards
1 4 (36.36%) Akka
2 2 (18.18%) Node.js
3 1 (9.09%) .NET
3 1 (9.09%) AngularJS
3 1 (9.09%) JSON
3 1 (9.09%) React
3 1 (9.09%) React Native
3 1 (9.09%) RxJS
3 1 (9.09%) Sass
3 1 (9.09%) SOAP
3 1 (9.09%) Velocity
Miscellaneous
1 4 (36.36%) Algorithms
2 1 (9.09%) Mobile App
Operating Systems
1 1 (9.09%) Android
1 1 (9.09%) Apple iOS
Processes & Methodologies
1 11 (100.00%) Agile Software Development
2 10 (90.91%) TDD
3 5 (45.45%) BDD
4 4 (36.36%) Continuous Integration
4 4 (36.36%) Kanban
4 4 (36.36%) Test Automation
5 3 (27.27%) Continuous Delivery
5 3 (27.27%) Continuous Improvement
5 3 (27.27%) DevOps
5 3 (27.27%) Problem-Solving
5 3 (27.27%) Scrum
6 2 (18.18%) Coaching
6 2 (18.18%) Collaborative Working
6 2 (18.18%) Software Engineering
6 2 (18.18%) SOLID
6 2 (18.18%) User Stories
7 1 (9.09%) CRM
7 1 (9.09%) OO
7 1 (9.09%) OOP
7 1 (9.09%) SOA
Programming Languages
1 7 (63.64%) Java
2 5 (45.45%) Python
2 5 (45.45%) Scala
3 4 (36.36%) Java 8
4 3 (27.27%) C#
5 1 (9.09%) JavaScript
5 1 (9.09%) Ruby
5 1 (9.09%) SQL
5 1 (9.09%) TypeScript
Qualifications
1 1 (9.09%) DV Cleared
1 1 (9.09%) Security Cleared
Quality Assurance & Compliance
1 2 (18.18%) QA
System Software
1 1 (9.09%) Docker
Systems Management
1 1 (9.09%) Ansible
1 1 (9.09%) HP ALM
Vendors
1 1 (9.09%) HP
1 1 (9.09%) Microsoft
1 1 (9.09%) Oracle