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 29 May 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
29 May 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank 32 37 24
Rank change year-on-year
+5 -13
Contract jobs citing TDD 12 9 23
As % of all contract IT jobs located in Cambridge 3.37% 2.30% 6.13%
As % of the Processes & Methodologies category 4.11% 3.05% 7.57%
Number of daily rates quoted 5 7 18
Median daily rate £525 £375 £361
Median daily rate % change year-on-year
+40.00% +3.80%
UK excluding London median daily rate £413 £380 £375
% change year-on-year
+8.55% +1.33%
Number of hourly rates quoted 0 1 0
Median hourly rate - £35.00 -
UK excluding London median hourly rate £42.40 £42.50 £59.50
% change year-on-year
-0.24% -28.57%
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
292 295 304
As % of all contract IT jobs located in Cambridge 82.02% 75.26% 81.07%
Number of daily rates quoted 184 212 189
Median daily rate £413 £375 £388
Median daily rate % change year-on-year
+10.00% -3.22%
90% offered a daily rate of more than £325 £275 £275
10% offered a daily rate of more than £525 £488 £475
UK excluding London median daily rate £400 £385 £375
% change year-on-year
+3.89% +2.66%
Number of hourly rates quoted 19 18 30
Median hourly rate £37.50 £40.00 £39.50
Median hourly rate % change year-on-year
-6.25% +1.26%
90% offered a hourly rate of more than £17.50 £25.00 £23.50
10% offered a hourly rate of more than £47.50 £57.50 £44.10
UK excluding London median hourly rate £33.00 £30.50 £30.00
% change year-on-year
+8.19% +1.66%

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 29 May 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 29 May 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 18 (81.82%) Agile Software Development
2 14 (63.64%) Java
3 13 (59.09%) JavaScript
3 13 (59.09%) Spring
4 12 (54.55%) HTML
4 12 (54.55%) Continuous Integration
5 10 (45.45%) SQL
6 9 (40.91%) Scrum
6 9 (40.91%) HTML5
6 9 (40.91%) BDD
7 8 (36.36%) OO
8 7 (31.82%) REST
8 7 (31.82%) Git (software)
9 6 (27.27%) MongoDB
9 6 (27.27%) NoSQL
9 6 (27.27%) AngularJS
9 6 (27.27%) Analytics
9 6 (27.27%) Visual Analytics
9 6 (27.27%) CSS
10 5 (22.73%) Linux
10 5 (22.73%) Jenkins
11 4 (18.18%) Docker
11 4 (18.18%) DevOps
11 4 (18.18%) Microsoft Azure
11 4 (18.18%) Atlassian Bamboo
11 4 (18.18%) jQuery
11 4 (18.18%) .NET
11 4 (18.18%) C#
11 4 (18.18%) Oracle
11 4 (18.18%) JUnit

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 4 (18.18%) Tomcat
2 3 (13.64%) JBoss
2 3 (13.64%) Node.js
3 1 (4.55%) nginx
3 1 (4.55%) NServiceBus
Business Applications
1 3 (13.64%) Payment Gateway
Cloud Services
1 4 (18.18%) Microsoft Azure
Communications & Networking
1 2 (9.09%) TCP/IP
2 1 (4.55%) DNS
2 1 (4.55%) Firewall
2 1 (4.55%) HTTPS
Database & Business Intelligence
1 6 (27.27%) MongoDB
1 6 (27.27%) NoSQL
2 3 (13.64%) Apache Cassandra
2 3 (13.64%) CouchDB
2 3 (13.64%) PostgreSQL
3 2 (9.09%) Oracle Database
4 1 (4.55%) MySQL
Development Applications
1 7 (31.82%) Git (software)
2 5 (22.73%) Jenkins
3 4 (18.18%) Atlassian Bamboo
3 4 (18.18%) JUnit
3 4 (18.18%) Maven
4 3 (13.64%) IntelliJ
4 3 (13.64%) Mercurial
4 3 (13.64%) Mockito
4 3 (13.64%) WebStorm
5 2 (9.09%) Cucumber
5 2 (9.09%) Selenium
6 1 (4.55%) JMeter
6 1 (4.55%) Octopus Deploy
6 1 (4.55%) Subversion
6 1 (4.55%) Vagrant
6 1 (4.55%) Visual Studio
General
1 4 (18.18%) Pharmaceutical
2 1 (4.55%) Finance
2 1 (4.55%) Swedish Language
Job Titles
1 15 (68.18%) Developer
2 10 (45.45%) Java Developer
3 4 (18.18%) Senior Developer
4 3 (13.64%) Agile Developer
4 3 (13.64%) Agile Java Developer
4 3 (13.64%) Angular Developer
4 3 (13.64%) JavaScript Developer
4 3 (13.64%) Senior Java Developer
5 2 (9.09%) Scrum Master
6 1 (4.55%) .NET Developer
6 1 (4.55%) Agile Scrum Master
6 1 (4.55%) DevOps Engineer
6 1 (4.55%) Embedded Developer
6 1 (4.55%) Embedded Software Developer
6 1 (4.55%) Lead DevOps Engineer
6 1 (4.55%) Senior .NET Developer
6 1 (4.55%) Senior DevOps Engineer
6 1 (4.55%) Software Developer
6 1 (4.55%) Software Engineer
Libraries, Frameworks & Software Standards
1 13 (59.09%) Spring
2 12 (54.55%) HTML
3 9 (40.91%) HTML5
4 7 (31.82%) REST
5 6 (27.27%) AngularJS
5 6 (27.27%) CSS
6 4 (18.18%) .NET
6 4 (18.18%) jQuery
7 3 (13.64%) Angular 2
7 3 (13.64%) Hibernate
7 3 (13.64%) JPA
7 3 (13.64%) JSON
7 3 (13.64%) Middleware
7 3 (13.64%) Spring Boot
7 3 (13.64%) Twitter Bootstrap
7 3 (13.64%) Web Services
7 3 (13.64%) XML
7 3 (13.64%) XML Schema
8 1 (4.55%) LEMP Stack
8 1 (4.55%) MyBatis
Miscellaneous
1 3 (13.64%) N-Tier
2 2 (9.09%) Management Information System
3 1 (4.55%) iPad
Operating Systems
1 5 (22.73%) Linux
2 1 (4.55%) CentOS
2 1 (4.55%) Ubuntu
2 1 (4.55%) Windows
Processes & Methodologies
1 18 (81.82%) Agile Software Development
2 12 (54.55%) Continuous Integration
3 9 (40.91%) BDD
3 9 (40.91%) Scrum
4 8 (36.36%) OO
5 6 (27.27%) Analytics
5 6 (27.27%) Visual Analytics
6 4 (18.18%) DevOps
7 3 (13.64%) BPMN
7 3 (13.64%) Domain-Driven Design
7 3 (13.64%) Information Security
7 3 (13.64%) Microservices
7 3 (13.64%) MVC
7 3 (13.64%) Open Source
7 3 (13.64%) SOA
8 2 (9.09%) Extreme Programming
8 2 (9.09%) Kanban
8 2 (9.09%) Pair Programming
8 2 (9.09%) Product Management
8 2 (9.09%) Project Management
Programming Languages
1 14 (63.64%) Java
2 13 (59.09%) JavaScript
3 10 (45.45%) SQL
4 4 (18.18%) C#
5 3 (13.64%) Groovy
5 3 (13.64%) Scala
5 3 (13.64%) TypeScript
6 1 (4.55%) C
6 1 (4.55%) Embedded C
6 1 (4.55%) Python
Qualifications
1 1 (4.55%) Degree
Quality Assurance & Compliance
1 1 (4.55%) QA
System Software
1 4 (18.18%) Docker
Systems Management
1 3 (13.64%) Business Desktop Deployment
1 3 (13.64%) MOM
2 1 (4.55%) Nagios
2 1 (4.55%) Opscode Chef
2 1 (4.55%) Puppet
Vendors
1 4 (18.18%) Oracle
2 2 (9.09%) Microsoft
3 1 (4.55%) AppDynamics
3 1 (4.55%) Facebook
3 1 (4.55%) LogRhythm
3 1 (4.55%) New Relic
3 1 (4.55%) Red Hat
3 1 (4.55%) Twitter