The following table provides summary statistics for contract job vacancies advertised in Canary Wharf with a requirement for TDD skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited TDD over the 3 months to 23 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.

Test-Driven Development (TDD)
London / Canary Wharf
3 months to
23 Jun 2017
Same period 2016 Same period 2015
Rank 18 20 21
Rank change year-on-year +2 +1  
Contract jobs citing TDD 6 5 9
As % of all contract IT jobs advertised in Canary Wharf 5.50% 4.03% 5.45%
As % of the Processes & Methodologies category 6.32% 4.85% 6.00%
Number of daily rates quoted 5 5 9
Median daily rate £650 £525 £520
Median daily rate % change year-on-year +23.80% +0.96%  
UK excluding London median daily rate £420 £413 £375
% change year-on-year +1.81% +10.00%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £41.50 £40.00 £42.50
% change year-on-year +3.75% -5.88%  

TDD 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 Canary Wharf with a requirement for process and methodology skills.

Contract Process & Methodology Skills
Canary Wharf
Contract job vacancies with a requirement for process and methodology skills 95 103 150
As % of all contract IT job vacancies advertised in Canary Wharf 87.16% 83.06% 90.91%
Number of daily rates quoted 69 77 104
Median daily rate £550 £484 £500
Median daily rate % change year-on-year +13.69% -3.25%  
90% offered a daily rate of more than £350 £325 £400
10% offered a daily rate of more than £650 £650 £573
UK excluding London median daily rate £415 £400 £383
% change year-on-year +3.75% +4.57%  
Number of hourly rates quoted 1 0 0
Median hourly rate £15.00 - -
UK excluding London median hourly rate £33.50 £28.50 £30.00
% change year-on-year +17.54% -5.00%  

TDD
Job Vacancy Trend in Canary Wharf

The job posting trend of jobs advertised in Canary Wharf citing TDD as a proportion of all contract or permanent IT jobs with a match in the Processes & Methodologies category.

Job vacancy trend for TDD in Canary Wharf

TDD
Contractor Daily Rate Trend in Canary Wharf

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing TDD in Canary Wharf.

Contractor daily rate trend for TDD in Canary Wharf

TDD
Contractor Daily Rate Histogram in Canary Wharf

The daily rate distribution of IT jobs citing TDD in Canary Wharf over the 3 months to 23 June 2017.

Contractor daily rate histogram for TDD in Canary Wharf

For the 6 months to 23 June 2017, IT contractor jobs citing TDD 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 Canary Wharf region with a requirement for TDD.

1 7 (87.50%) JavaScript
1 7 (87.50%) HTML
1 7 (87.50%) HTML5
2 5 (62.50%) AngularJS
2 5 (62.50%) Front Office
2 5 (62.50%) Front End Development
3 4 (50.00%) TypeScript
3 4 (50.00%) Big Data
4 3 (37.50%) Banking
5 2 (25.00%) Agile Software Development
5 2 (25.00%) Kanban
5 2 (25.00%) Web Development
5 2 (25.00%) Test Automation
5 2 (25.00%) Finance
6 1 (12.50%) Migration
6 1 (12.50%) Scrum
6 1 (12.50%) NetBeans
6 1 (12.50%) Equities
6 1 (12.50%) Java
6 1 (12.50%) Perl
6 1 (12.50%) SQL
6 1 (12.50%) .NET
6 1 (12.50%) J2EE
6 1 (12.50%) Sybase
6 1 (12.50%) JUnit
6 1 (12.50%) SAP
6 1 (12.50%) CSS
6 1 (12.50%) SOAP
6 1 (12.50%) Web Services
6 1 (12.50%) XML

TDD
Co-occurring IT Skills in Canary Wharf 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 (12.50%) Tomcat
Applications
1 1 (12.50%) MS Visio
Cloud Services
1 1 (12.50%) Amazon AWS
1 1 (12.50%) AWS Lambda
Database & Business Intelligence
1 4 (50.00%) Big Data
2 1 (12.50%) Relational Database
Development Applications
1 1 (12.50%) Gradle
1 1 (12.50%) IntelliJ
1 1 (12.50%) Jenkins
1 1 (12.50%) JIRA
1 1 (12.50%) JUnit
1 1 (12.50%) Maven
1 1 (12.50%) NetBeans
General
1 5 (62.50%) Front Office
2 3 (37.50%) Banking
3 2 (25.00%) Finance
4 1 (12.50%) Investment Banking
Job Titles
1 7 (87.50%) Developer
2 4 (50.00%) Angular Developer
2 4 (50.00%) Front End Developer (Client-Side Developer)
2 4 (50.00%) HTML Developer
2 4 (50.00%) JavaScript Developer
3 1 (12.50%) Agile .NET Developer
3 1 (12.50%) Agile C# Developer
3 1 (12.50%) Agile Developer
3 1 (12.50%) AWS Developer
3 1 (12.50%) C# .NET Developer
3 1 (12.50%) Consultant
3 1 (12.50%) GUI Developer
3 1 (12.50%) GUI Web Developer
3 1 (12.50%) SAP Functional Consultant
3 1 (12.50%) SAP P2P Consultant
3 1 (12.50%) Senior .NET Developer
3 1 (12.50%) Senior Agile Developer
3 1 (12.50%) Senior C# .NET Developer
3 1 (12.50%) Senior C# Developer
3 1 (12.50%) Web Developer
Libraries, Frameworks & Software Standards
1 7 (87.50%) HTML
1 7 (87.50%) HTML5
2 5 (62.50%) AngularJS
3 1 (12.50%) .NET
3 1 (12.50%) Ajax
3 1 (12.50%) CSS
3 1 (12.50%) Ext JS
3 1 (12.50%) J2EE
3 1 (12.50%) jQuery
3 1 (12.50%) Node.js
3 1 (12.50%) REST
3 1 (12.50%) SOAP
3 1 (12.50%) Spring
3 1 (12.50%) Spring Boot
3 1 (12.50%) Spring Security
3 1 (12.50%) Swagger
3 1 (12.50%) Web Services
3 1 (12.50%) XML
Miscellaneous
1 1 (12.50%) Analytical Skills
1 1 (12.50%) Computer Science
1 1 (12.50%) Data Structures
1 1 (12.50%) Equities
Operating Systems
1 1 (12.50%) Unix
Processes & Methodologies
1 5 (62.50%) Front End Development
2 2 (25.00%) Agile Software Development
2 2 (25.00%) Kanban
2 2 (25.00%) Test Automation
2 2 (25.00%) Web Development
3 1 (12.50%) Business Transformation
3 1 (12.50%) Data Modelling
3 1 (12.50%) Dependency Injection
3 1 (12.50%) ETL
3 1 (12.50%) Feature Driven Development
3 1 (12.50%) Inversion of Control
3 1 (12.50%) Low Latency
3 1 (12.50%) Migration
3 1 (12.50%) Multithreading
3 1 (12.50%) OO
3 1 (12.50%) Procure-to-Pay
3 1 (12.50%) Scrum
3 1 (12.50%) SOLID
3 1 (12.50%) UML
3 1 (12.50%) Unit Testing
Programming Languages
1 7 (87.50%) JavaScript
2 4 (50.00%) TypeScript
3 1 (12.50%) C#
3 1 (12.50%) Java
3 1 (12.50%) Perl
3 1 (12.50%) Python
3 1 (12.50%) Shell Script
3 1 (12.50%) SQL
Qualifications
1 1 (12.50%) Computer Science Degree
1 1 (12.50%) Degree
System Software
1 1 (12.50%) Docker
Vendors
1 1 (12.50%) CA Agile Central
1 1 (12.50%) GigaSpaces
1 1 (12.50%) SAP
1 1 (12.50%) Sencha
1 1 (12.50%) Sybase