The table below looks at the statistics for TDD skills in IT contracts advertised for the Middlesex region. Included is a guide to the contractor rates offered in IT contracts that have cited TDD over the 3 months to 27 February 2017 with a comparison to the same period over the previous 2 years.

Note that daily contractor rates and hourly contractor rates are treated separately. When calculating average contractor rates, daily rates are not derived from quoted hourly rates or vice versa.

3 months to
27 Feb 2017
Same period 2016 Same period 2015
Test-Driven Development (TDD)
South East / Middlesex
Rank 9 12 22
Rank change year-on-year
+3 +10
Contract jobs citing TDD 11 10 3
As % of all contract IT jobs located in Middlesex 9.17% 6.67% 1.82%
As % of the Processes & Methodologies category 11.34% 7.87% 2.22%
Number of daily rates quoted 10 8 3
Median daily rate £348 £376 £275
Median daily rate % change year-on-year
-7.64% +36.81%
90% offered a daily rate of more than £300 £344 £271
10% offered a daily rate of more than £425 £413 £345
UK excluding London median daily rate £413 £400 £375
% change year-on-year
+3.12% +6.66%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £39.00 £40.00 £34.50
% change year-on-year
-2.50% +15.94%

The following table is for comparison with the above and provides statistics for the entire Processes & Methodologies category in contract jobs advertised in the Middlesex region.

Processes & Methodologies Category
Middlesex
Contract IT job ads with a match in the
Processes & Methodologies category
97 127 135
As % of all contract IT jobs located in Middlesex 80.83% 84.67% 81.82%
Number of daily rates quoted 64 80 84
Median daily rate £375 £375 £413
Median daily rate % change year-on-year
- -9.09%
90% offered a daily rate of more than £262 £313 £250
10% offered a daily rate of more than £525 £500 £572
UK excluding London median daily rate £408 £400 £399
% change year-on-year
+1.87% +0.29%
Number of hourly rates quoted 0 11 3
Median hourly rate - £46.25 £32.50
Median hourly rate % change year-on-year
- +42.30%
UK excluding London median hourly rate £36.00 £40.00 £29.00
% change year-on-year
-10.00% +37.93%

TDD
Jobs Demand Trend in Middlesex

The demand trend of contract jobs across the Middlesex region citing TDD as a proportion of all IT contracts with a match in the Processes & Methodologies category.

TDD Jobs Demand Trend in Middlesex

TDD
Daily Rate Trend in Middlesex

This chart provides the 3-month moving average for daily rates quoted in IT contract jobs citing TDD across the Middlesex region.

TDD Daily Rate Trend in Middlesex

TDD
Daily Rate Histogram in Middlesex

This chart provides a histogram of daily rates quoted in contract IT jobs citing TDD across the Middlesex region over the 3 months to 27 February 2017.

TDD Daily Rate Histogram in Middlesex

TDD
Top 30 Related IT Skills in Middlesex

For the 6 months to 27 February 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 Middlesex region with a requirement for TDD.

1 11 (84.62%) Agile Software Development
2 9 (69.23%) Scrum
3 7 (53.85%) REST
4 6 (46.15%) C
4 6 (46.15%) C++
4 6 (46.15%) HTML
4 6 (46.15%) SQL
4 6 (46.15%) SOA
4 6 (46.15%) MPEG
4 6 (46.15%) HTTP
4 6 (46.15%) Digital TV
4 6 (46.15%) DVB
4 6 (46.15%) STB
4 6 (46.15%) Degree
4 6 (46.15%) Computer Science
4 6 (46.15%) Git (software)
4 6 (46.15%) HTML5
4 6 (46.15%) NoSQL
4 6 (46.15%) Node.js
5 5 (38.46%) Software Architecture
5 5 (38.46%) Continuous Integration
5 5 (38.46%) User Stories
5 5 (38.46%) Continuous Deployment
6 3 (23.08%) BDD
6 3 (23.08%) Software Engineering
6 3 (23.08%) Python
6 3 (23.08%) Linux
6 3 (23.08%) Java
7 2 (15.38%) Telecoms
7 2 (15.38%) Migration

TDD
Top Related IT Skills in Middlesex 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:

Cloud Services
1 2 (15.38%) Amazon AWS
Communications & Networking
1 6 (46.15%) DVB
1 6 (46.15%) HTTP
Database & Business Intelligence
1 6 (46.15%) NoSQL
Development Applications
1 6 (46.15%) Git (software)
2 2 (15.38%) JIRA
2 2 (15.38%) Talend Open Studio
3 1 (7.69%) Jenkins
3 1 (7.69%) Mockito
General
1 2 (15.38%) Telecoms
2 1 (7.69%) Retail
Job Titles
1 6 (46.15%) Developer
2 3 (23.08%) Embedded Engineer
2 3 (23.08%) Integration Engineer
2 3 (23.08%) Java Developer
2 3 (23.08%) Software Engineer
3 2 (15.38%) Analyst
3 2 (15.38%) Embedded Software Engineer
3 2 (15.38%) JavaScript Developer
3 2 (15.38%) Test Analyst
4 1 (7.69%) C/C++ Developer
4 1 (7.69%) Developer/Software Engineer
4 1 (7.69%) Embedded C/C++ Developer
4 1 (7.69%) Embedded C++ Developer
4 1 (7.69%) Embedded Developer
4 1 (7.69%) Front End Developer (Client-Side Developer)
4 1 (7.69%) Java Engineer
4 1 (7.69%) Senior Developer
4 1 (7.69%) Senior Java Engineer
4 1 (7.69%) Senior Java Software Developer
4 1 (7.69%) UI Developer
Libraries, Frameworks & Software Standards
1 7 (53.85%) REST
2 6 (46.15%) HTML
2 6 (46.15%) HTML5
2 6 (46.15%) Node.js
3 2 (15.38%) AngularJS
3 2 (15.38%) Spring
3 2 (15.38%) Spring Security
4 1 (7.69%) Backbone.js
4 1 (7.69%) Ember.js
4 1 (7.69%) JMS
4 1 (7.69%) React
4 1 (7.69%) SOAP
4 1 (7.69%) Spring Boot
4 1 (7.69%) Spring MVC
Miscellaneous
1 6 (46.15%) Computer Science
1 6 (46.15%) Digital TV
1 6 (46.15%) MPEG
1 6 (46.15%) STB
Operating Systems
1 3 (23.08%) Linux
2 1 (7.69%) CentOS
2 1 (7.69%) Ubuntu
Processes & Methodologies
1 11 (84.62%) Agile Software Development
2 9 (69.23%) Scrum
3 6 (46.15%) SOA
4 5 (38.46%) Continuous Deployment
4 5 (38.46%) Continuous Integration
4 5 (38.46%) Software Architecture
4 5 (38.46%) User Stories
5 3 (23.08%) BDD
5 3 (23.08%) Software Engineering
6 2 (15.38%) Data Migration
6 2 (15.38%) Defect Management
6 2 (15.38%) ERP
6 2 (15.38%) Front End Development
6 2 (15.38%) Kanban
6 2 (15.38%) Logistics
6 2 (15.38%) Migration
6 2 (15.38%) Test Planning
7 1 (7.69%) Automated Testing
7 1 (7.69%) Continuous Improvement
7 1 (7.69%) Microservices
Programming Languages
1 6 (46.15%) C
1 6 (46.15%) C++
1 6 (46.15%) SQL
2 3 (23.08%) Java
2 3 (23.08%) Python
3 2 (15.38%) JavaScript
4 1 (7.69%) Bash Shell
4 1 (7.69%) Perl
Qualifications
1 6 (46.15%) Degree
System Software
1 1 (7.69%) Docker
1 1 (7.69%) Virtual Machines
1 1 (7.69%) vSphere
Vendors
1 2 (15.38%) Citrix
1 2 (15.38%) HP
1 2 (15.38%) Talend
2 1 (7.69%) Oracle
2 1 (7.69%) SaltStack