The table below looks at the statistics for TDD skills in IT contracts advertised for the Cambridge region. Included is a guide to the contractor rates offered in IT contracts that have cited TDD over the 3 months to 8 December 2016 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
8 Dec 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank 25 18 36
Rank change year-on-year
-7 +18
Contract jobs citing TDD 13 29 6
As % of all contract IT jobs located in Cambridge 4.22% 7.04% 1.84%
As % of the Processes & Methodologies category 5.33% 8.36% 2.40%
Number of daily rates quoted 9 22 1
Median daily rate £388 £425 £325
Median daily rate % change year-on-year
-8.82% +30.76%
UK excluding London median daily rate £425 £400 £375
% change year-on-year
+6.25% +6.66%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £39.76 £36.98 £38.25
% change year-on-year
+7.53% -3.33%
TDD
Cambridgeshire

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

Processes & Methodologies Category
Cambridge
Contract IT job ads with a match in the
Processes & Methodologies category
244 347 250
As % of all contract IT jobs located in Cambridge 79.22% 84.22% 76.69%
Number of daily rates quoted 113 229 161
Median daily rate £400 £400 £350
Median daily rate % change year-on-year
- +14.28%
90% offered a daily rate of more than £300 £292 £200
10% offered a daily rate of more than £575 £540 £550
UK excluding London median daily rate £413 £400 £385
% change year-on-year
+3.12% +3.89%
Number of hourly rates quoted 30 18 17
Median hourly rate £34.50 £45.00 £46.00
Median hourly rate % change year-on-year
-23.33% -2.17%
90% offered a hourly rate of more than £15.25 £17.00 £10.50
10% offered a hourly rate of more than £45.00 £65.00 £60.00
UK excluding London median hourly rate £31.00 £35.00 £25.00
% change year-on-year
-11.42% +40.00%

TDD
Jobs Demand Trend in Cambridge

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

TDD Jobs Demand Trend in Cambridge

TDD
Daily Rate Trend in Cambridge

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

TDD Daily Rate Trend in Cambridge

TDD
Daily Rate Histogram in Cambridge

This chart provides a histogram of daily rates quoted in contract IT jobs citing TDD across the Cambridge region over the 3 months to 8 December 2016.

TDD Daily Rate Histogram in Cambridge

TDD
Hourly Rate Trend in Cambridge

This chart provides the 3-month moving average for hourly rates quoted in IT contractor jobs citing TDD across the Cambridge region.

TDD Hourly Rate Trend in Cambridge

TDD
Top 30 Related IT Skills in Cambridge

For the 6 months to 8 December 2016, 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 Cambridge region with a requirement for TDD.

1 28 (73.68%) Agile Software Development
2 17 (44.74%) Java
3 15 (39.47%) JavaScript
4 13 (34.21%) C#
4 13 (34.21%) MVC
4 13 (34.21%) Git (software)
5 12 (31.58%) BDD
6 11 (28.95%) Relational Database
6 11 (28.95%) OO
7 10 (26.32%) SQL
7 10 (26.32%) Continuous Integration
7 10 (26.32%) Open Source
8 9 (23.68%) jQuery
8 9 (23.68%) HTML
9 8 (21.05%) C
9 8 (21.05%) .NET
9 8 (21.05%) JUnit
9 8 (21.05%) Scrum
9 8 (21.05%) Atlassian Bamboo
9 8 (21.05%) Spring
9 8 (21.05%) Microsoft Azure
9 8 (21.05%) HTML5
9 8 (21.05%) Jenkins
9 8 (21.05%) REST
10 7 (18.42%) Node.js
10 7 (18.42%) Software Engineering
11 6 (15.79%) Python
11 6 (15.79%) SQL Server
11 6 (15.79%) Degree
11 6 (15.79%) RESTful

TDD
Top Related IT Skills in Cambridge 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 (2.63%) Cloud Foundry
1 1 (2.63%) CMS
1 1 (2.63%) OpenStack
Applications
1 1 (2.63%) Adobe Illustrator
1 1 (2.63%) MS Excel
1 1 (2.63%) OmniGraffle
1 1 (2.63%) Photoshop
Business Applications
1 3 (7.89%) Payment Gateway
2 1 (2.63%) Dynamics CRM
2 1 (2.63%) SDL Web 8
Cloud Services
1 8 (21.05%) Microsoft Azure
2 5 (13.16%) GitHub
3 3 (7.89%) Amazon AWS
4 1 (2.63%) Amazon EC2
4 1 (2.63%) Google Cloud Platform
4 1 (2.63%) SaaS
Communications & Networking
1 4 (10.53%) Wireless
2 3 (7.89%) Wi-Fi
3 2 (5.26%) AMQP
Database & Business Intelligence
1 11 (28.95%) Relational Database
2 6 (15.79%) SQL Server
3 5 (13.16%) MongoDB
3 5 (13.16%) NoSQL
3 5 (13.16%) PostgreSQL
4 2 (5.26%) RDBMS
5 1 (2.63%) SQL Server Reporting Services
Development Applications
1 13 (34.21%) Git (software)
2 8 (21.05%) Atlassian Bamboo
2 8 (21.05%) Jenkins
2 8 (21.05%) JUnit
3 6 (15.79%) Mercurial
4 5 (13.16%) Cucumber
4 5 (13.16%) Mockito
4 5 (13.16%) Selenium
5 4 (10.53%) Octopus Deploy
5 4 (10.53%) Subversion
6 3 (7.89%) IntelliJ
6 3 (7.89%) Maven
6 3 (7.89%) WebStorm
7 2 (5.26%) gulp
7 2 (5.26%) JMeter
8 1 (2.63%) Bower
8 1 (2.63%) Grunt
8 1 (2.63%) Mocha
8 1 (2.63%) RSpec
8 1 (2.63%) WebDriver
General
1 3 (7.89%) Games
Job Titles
1 32 (84.21%) Developer
2 12 (31.58%) Java Developer
3 7 (18.42%) Senior Developer
3 7 (18.42%) Software Developer
4 6 (15.79%) C# Developer
5 5 (13.16%) Full Stack Developer
5 5 (13.16%) Senior Software Developer
6 4 (10.53%) .NET Developer
6 4 (10.53%) Lead Developer
7 3 (7.89%) Azure Developer
7 3 (7.89%) C++ Developer
7 3 (7.89%) JavaScript Developer
7 3 (7.89%) Software Engineer
7 3 (7.89%) Web Developer
8 2 (5.26%) Angular Developer
8 2 (5.26%) C# .NET Developer
8 2 (5.26%) Node.js Developer
8 2 (5.26%) Senior Software Engineer
8 2 (5.26%) Technical Developer
8 2 (5.26%) Technical Leader
Libraries, Frameworks & Software Standards
1 9 (23.68%) HTML
1 9 (23.68%) jQuery
2 8 (21.05%) .NET
2 8 (21.05%) HTML5
2 8 (21.05%) REST
2 8 (21.05%) Spring
3 7 (18.42%) Node.js
4 6 (15.79%) AngularJS
4 6 (15.79%) RESTful
5 5 (13.16%) ASP.NET
5 5 (13.16%) Hibernate
5 5 (13.16%) JPA
6 4 (10.53%) ASP.NET Web API
7 3 (7.89%) ASP.NET MVC
7 3 (7.89%) CSS
7 3 (7.89%) JSON
7 3 (7.89%) WCF
7 3 (7.89%) XML
7 3 (7.89%) XML Schema
8 2 (5.26%) RabbitMQ
Miscellaneous
1 6 (15.79%) Analytical Skills
2 5 (13.16%) Biology
2 5 (13.16%) Informatics
3 3 (7.89%) HTC Vive
3 3 (7.89%) Oculus Rift
3 3 (7.89%) PlayStation
4 2 (5.26%) N-Tier
5 1 (2.63%) Augmented Reality
5 1 (2.63%) Biometrics
5 1 (2.63%) Graphic Design
5 1 (2.63%) Mobile App
5 1 (2.63%) Smart Energy
5 1 (2.63%) User Experience
Operating Systems
1 5 (13.16%) Linux
1 5 (13.16%) Unix
2 1 (2.63%) Android
Processes & Methodologies
1 28 (73.68%) Agile Software Development
2 13 (34.21%) MVC
3 12 (31.58%) BDD
4 11 (28.95%) OO
5 10 (26.32%) Continuous Integration
5 10 (26.32%) Open Source
6 8 (21.05%) Scrum
7 7 (18.42%) Software Engineering
8 6 (15.79%) Service Design
9 5 (13.16%) Domain-Driven Design
9 5 (13.16%) Open Source Development
9 5 (13.16%) Web Development
10 4 (10.53%) API Design
10 4 (10.53%) BPMN
10 4 (10.53%) DevOps
10 4 (10.53%) Microservices
10 4 (10.53%) SOLID
11 3 (7.89%) Information Security
11 3 (7.89%) SOA
12 2 (5.26%) Stakeholder Management
Programming Languages
1 17 (44.74%) Java
2 15 (39.47%) JavaScript
3 13 (34.21%) C#
4 10 (26.32%) SQL
5 8 (21.05%) C
6 6 (15.79%) Python
7 5 (13.16%) Perl
8 4 (10.53%) C++
8 4 (10.53%) PHP
9 3 (7.89%) Groovy
9 3 (7.89%) Scala
10 1 (2.63%) ES6
10 1 (2.63%) Ruby
Qualifications
1 6 (15.79%) Degree
2 1 (2.63%) MCITP
2 1 (2.63%) Microsoft Certification
Quality Assurance & Compliance
1 2 (5.26%) QA
System Software
1 1 (2.63%) Docker
Vendors
1 5 (13.16%) Oracle
2 4 (10.53%) Microsoft
3 1 (2.63%) CheckPoint
3 1 (2.63%) Google