The table below looks at the statistics for TDD skills in IT contracts advertised for the Kent region. Included is a guide to the contractor rates offered in IT contracts that have cited TDD over the 3 months to 30 July 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
30 Jul 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank 29 15 15
Rank change year-on-year
-14 0
Contract jobs citing TDD 9 42 29
As % of all contract IT jobs located in Kent 3.20% 14.19% 10.78%
As % of the Processes & Methodologies category 4.00% 17.50% 13.68%
Number of daily rates quoted 8 34 9
Median daily rate £375 £338 £388
Median daily rate % change year-on-year
+11.11% -12.90%
90% offered a daily rate of more than £275 £320 £324
10% offered a daily rate of more than £558 £500 £701
UK excluding London median daily rate £425 £375 £375
% change year-on-year
+13.33% -
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £40.00 £40.00 £59.50
% change year-on-year
- -32.77%
TDD
South East

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

Processes & Methodologies Category
Kent
Contract IT job ads with a match in the
Processes & Methodologies category
225 240 212
As % of all contract IT jobs located in Kent 80.07% 81.08% 78.81%
Number of daily rates quoted 148 142 135
Median daily rate £400 £338 £350
Median daily rate % change year-on-year
+18.51% -3.57%
90% offered a daily rate of more than £275 £200 £225
10% offered a daily rate of more than £550 £500 £500
UK excluding London median daily rate £400 £388 £375
% change year-on-year
+3.22% +3.33%
Number of hourly rates quoted 5 1 4
Median hourly rate £20.83 £9.00 £17.50
Median hourly rate % change year-on-year
+131.44% -48.57%
UK excluding London median hourly rate £30.00 £30.50 £26.50
% change year-on-year
-1.63% +15.09%

TDD
Jobs Demand Trend in Kent

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

TDD Jobs Demand Trend in Kent

TDD
Daily Rate Trend in Kent

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

TDD Daily Rate Trend in Kent

TDD
Daily Rate Histogram in Kent

This chart provides a histogram of daily rates quoted in contract IT jobs citing TDD across the Kent region over the 3 months to 30 July 2016.

TDD Daily Rate Histogram in Kent

TDD
Top 30 Related IT Skills in Kent

For the 6 months to 30 July 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 Kent region with a requirement for TDD.

1 43 (66.15%) Software Engineering
2 35 (53.85%) MVC
3 34 (52.31%) C#
3 34 (52.31%) JavaScript
3 34 (52.31%) .NET
3 34 (52.31%) CSS
4 32 (49.23%) HTML
4 32 (49.23%) jQuery
5 31 (47.69%) HTML5
5 31 (47.69%) CSS3
6 30 (46.15%) ASP.NET
6 30 (46.15%) ASP.NET MVC
7 29 (44.62%) Java
8 28 (43.08%) ASP.NET Web API
8 28 (43.08%) Agile Software Development
9 26 (40.00%) PaaS
9 26 (40.00%) Cloud Foundry
9 26 (40.00%) Continuous Delivery
10 25 (38.46%) DevOps
10 25 (38.46%) RabbitMQ
10 25 (38.46%) Microsoft Azure
10 25 (38.46%) Ruby
11 23 (35.38%) Amazon AWS
12 22 (33.85%) Heroku
12 22 (33.85%) Go
13 21 (32.31%) OpenStack
13 21 (32.31%) AngularJS
14 20 (30.77%) Apache Cassandra
15 19 (29.23%) vSphere
15 19 (29.23%) SDLC

TDD
Top Related IT Skills in Kent 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 26 (40.00%) Cloud Foundry
2 21 (32.31%) OpenStack
3 2 (3.08%) Elasticsearch
4 1 (1.54%) CMS
Cloud Services
1 26 (40.00%) PaaS
2 25 (38.46%) Microsoft Azure
3 23 (35.38%) Amazon AWS
4 22 (33.85%) Heroku
5 6 (9.23%) AWS Elastic Beanstalk
6 1 (1.54%) SaaS
Communications & Networking
1 6 (9.23%) AMQP
2 1 (1.54%) Internet
2 1 (1.54%) Intranet
Database & Business Intelligence
1 20 (30.77%) Apache Cassandra
2 18 (27.69%) Redis
3 6 (9.23%) NoSQL
4 4 (6.15%) SQL Server
5 2 (3.08%) Hadoop
5 2 (3.08%) SQL Server 2005
6 1 (1.54%) MySQL
6 1 (1.54%) Neo4j
Development Applications
1 15 (23.08%) Octopus Deploy
2 7 (10.77%) Atlassian Bamboo
2 7 (10.77%) Jenkins
3 3 (4.62%) Moq
3 3 (4.62%) MSTest
3 3 (4.62%) NUnit
3 3 (4.62%) Rhino Mocks
3 3 (4.62%) Team Foundation Server
4 2 (3.08%) Visual Studio
5 1 (1.54%) Bower
5 1 (1.54%) Git (software)
5 1 (1.54%) JIRA
5 1 (1.54%) SpecFlow
5 1 (1.54%) WatiN
General
1 16 (24.62%) Finance
2 4 (6.15%) Banking
3 2 (3.08%) Games
4 1 (1.54%) Financial Institution
4 1 (1.54%) Investment Banking
Job Titles
1 49 (75.38%) Developer
2 31 (47.69%) .NET Developer
2 31 (47.69%) C# Developer
3 29 (44.62%) C# .NET Developer
4 28 (43.08%) ASP.NET MVC Developer
5 25 (38.46%) JavaScript Developer
6 18 (27.69%) Software Engineer
7 16 (24.62%) Senior Developer
8 15 (23.08%) Senior .NET Developer
8 15 (23.08%) Senior C# .NET Developer
8 15 (23.08%) Senior C# Developer
9 14 (21.54%) Java Engineer
10 13 (20.00%) .NET Web Developer
10 13 (20.00%) C# Web Developer
10 13 (20.00%) DevOps Engineer
10 13 (20.00%) HTML CSS Developer
10 13 (20.00%) HTML Developer
10 13 (20.00%) Senior JavaScript Developer
10 13 (20.00%) Web Developer
11 12 (18.46%) Java Software Engineer
Libraries, Frameworks & Software Standards
1 34 (52.31%) .NET
1 34 (52.31%) CSS
2 32 (49.23%) HTML
2 32 (49.23%) jQuery
3 31 (47.69%) CSS3
3 31 (47.69%) HTML5
4 30 (46.15%) ASP.NET
4 30 (46.15%) ASP.NET MVC
5 28 (43.08%) ASP.NET Web API
6 25 (38.46%) RabbitMQ
7 21 (32.31%) AngularJS
8 18 (27.69%) KnockoutJS
9 17 (26.15%) Web Services
10 16 (24.62%) .NET Framework
10 16 (24.62%) Entity Framework
11 15 (23.08%) SignalR
12 13 (20.00%) ASP.NET MVC 4
13 6 (9.23%) JMS
13 6 (9.23%) Ruby on Rails
14 5 (7.69%) Spring
Miscellaneous
1 5 (7.69%) Cloud Native
2 2 (3.08%) NHS
2 2 (3.08%) N-Tier
3 1 (1.54%) Data Centre
Operating Systems
1 2 (3.08%) Windows
Processes & Methodologies
1 43 (66.15%) Software Engineering
2 35 (53.85%) MVC
3 28 (43.08%) Agile Software Development
4 26 (40.00%) Continuous Delivery
5 25 (38.46%) DevOps
6 19 (29.23%) SDLC
7 16 (24.62%) BDD
8 15 (23.08%) SOLID
9 14 (21.54%) Web Development
10 13 (20.00%) E-Commerce
10 13 (20.00%) Waterfall
11 8 (12.31%) SOA
12 7 (10.77%) High Availability
13 6 (9.23%) Microservices
13 6 (9.23%) Pair Programming
14 4 (6.15%) CQRS
14 4 (6.15%) Dependency Injection
14 4 (6.15%) Investment Management
15 3 (4.62%) Domain-Driven Design
15 3 (4.62%) Web Application Development
Programming Languages
1 34 (52.31%) C#
1 34 (52.31%) JavaScript
2 29 (44.62%) Java
3 25 (38.46%) Ruby
4 22 (33.85%) Go
5 18 (27.69%) Bash Shell
6 17 (26.15%) SQL
7 4 (6.15%) T-SQL
8 1 (1.54%) PHP
Quality Assurance & Compliance
1 1 (1.54%) QA
System Software
1 19 (29.23%) vSphere
2 11 (16.92%) Docker
3 1 (1.54%) vCloud
Systems Management
1 8 (12.31%) Kubernetes
2 1 (1.54%) Puppet
Vendors
1 16 (24.62%) Microsoft
2 1 (1.54%) Foundry