The table below looks at the statistics for TDD skills in IT contracts advertised for the Bristol region. Included is a guide to the contractor rates offered in IT contracts that have cited TDD over the 3 months to 31 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
31 Jul 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank 24 15 46
Rank change year-on-year
-9 +31
Contract jobs citing TDD 57 78 21
As % of all contract IT jobs located in Bristol 6.10% 8.69% 2.65%
As % of the Processes & Methodologies category 7.36% 10.79% 3.31%
Number of daily rates quoted 53 76 21
Median daily rate £425 £400 £400
Median daily rate % change year-on-year
+6.25% -
90% offered a daily rate of more than £340 £350 £350
10% offered a daily rate of more than £525 £425 £525
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 West

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

Processes & Methodologies Category
Bristol
Contract IT job ads with a match in the
Processes & Methodologies category
774 723 635
As % of all contract IT jobs located in Bristol 82.87% 80.51% 80.08%
Number of daily rates quoted 572 572 472
Median daily rate £400 £385 £375
Median daily rate % change year-on-year
+3.89% +2.66%
90% offered a daily rate of more than £285 £275 £275
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 31 14 26
Median hourly rate £42.00 £41.00 £17.50
Median hourly rate % change year-on-year
+2.43% +134.28%
90% offered a hourly rate of more than £13.18 £13.00 £15.90
10% offered a hourly rate of more than £50.00 £120.00 £33.65
UK excluding London median hourly rate £30.00 £30.50 £26.98
% change year-on-year
-1.63% +13.06%

TDD
Jobs Demand Trend in Bristol

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

TDD Jobs Demand Trend in Bristol

TDD
Daily Rate Trend in Bristol

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

TDD Daily Rate Trend in Bristol

TDD
Daily Rate Histogram in Bristol

This chart provides a histogram of daily rates quoted in contract IT jobs citing TDD across the Bristol region over the 3 months to 31 July 2016.

TDD Daily Rate Histogram in Bristol

TDD
Top 30 Related IT Skills in Bristol

For the 6 months to 31 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 Bristol region with a requirement for TDD.

1 65 (73.03%) Agile Software Development
2 57 (64.04%) JavaScript
3 44 (49.44%) C#
4 41 (46.07%) .NET
5 39 (43.82%) SQL Server
6 37 (41.57%) HTML
7 36 (40.45%) MVC
8 33 (37.08%) CSS
9 32 (35.96%) ASP.NET
10 29 (32.58%) Scrum
10 29 (32.58%) BDD
11 28 (31.46%) ASP.NET MVC
11 28 (31.46%) E-Commerce
12 27 (30.34%) Microsoft Azure
13 26 (29.21%) AngularJS
14 20 (22.47%) Amazon AWS
14 20 (22.47%) jQuery
15 19 (21.35%) Continuous Integration
15 19 (21.35%) TeamCity
15 19 (21.35%) High Availability
16 18 (20.22%) Web Services
17 16 (17.98%) Amazon DynamoDB
18 14 (15.73%) ASP.NET Web API
18 14 (15.73%) Octopus Deploy
18 14 (15.73%) DevOps
18 14 (15.73%) Java
19 13 (14.61%) MySQL
19 13 (14.61%) Ruby
20 11 (12.36%) User Experience
20 11 (12.36%) Microservices

TDD
Top Related IT Skills in Bristol 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 9 (10.11%) Elasticsearch
2 6 (6.74%) SharePoint
2 6 (6.74%) SharePoint 2010
3 5 (5.62%) Mule
3 5 (5.62%) Mule ESB
4 4 (4.49%) NServiceBus
5 3 (3.37%) Apache
5 3 (3.37%) Tomcat
6 1 (1.12%) Alfresco
6 1 (1.12%) CMS
6 1 (1.12%) Liferay
6 1 (1.12%) Sakai
6 1 (1.12%) Sitecore CMS
Applications
1 4 (4.49%) MS Excel
Business Applications
1 6 (6.74%) Dynamics AX
2 3 (3.37%) IBM Operational Decision Manager
3 2 (2.25%) SAP Oil and Gas
Cloud Services
1 27 (30.34%) Microsoft Azure
2 20 (22.47%) Amazon AWS
3 9 (10.11%) Amazon EC2
4 6 (6.74%) Amazon S3
4 6 (6.74%) GitHub
5 4 (4.49%) TestFlight
Communications & Networking
1 2 (2.25%) HTTP
1 2 (2.25%) Internet
Database & Business Intelligence
1 39 (43.82%) SQL Server
2 16 (17.98%) Amazon DynamoDB
3 13 (14.61%) MySQL
4 10 (11.24%) NoSQL
5 9 (10.11%) Hadoop
5 9 (10.11%) PostgreSQL
6 8 (8.99%) SQLite
7 6 (6.74%) MongoDB
8 5 (5.62%) SQL Server 2008
9 4 (4.49%) Azure SQL Database
9 4 (4.49%) CouchDB
9 4 (4.49%) Relational Database
10 3 (3.37%) RDBMS
11 2 (2.25%) RavenDB
Development Applications
1 19 (21.35%) TeamCity
2 14 (15.73%) Octopus Deploy
3 10 (11.24%) Git (software)
4 8 (8.99%) Jenkins
4 8 (8.99%) JUnit
4 8 (8.99%) Maven
5 7 (7.87%) Subversion
5 7 (7.87%) Visual Studio
6 6 (6.74%) Team Foundation Server
7 4 (4.49%) Xcode
8 3 (3.37%) Atlassian Bamboo
8 3 (3.37%) Eclipse
8 3 (3.37%) Selenium
8 3 (3.37%) SpecFlow
8 3 (3.37%) WebDriver
9 2 (2.25%) Appium
9 2 (2.25%) Cucumber
9 2 (2.25%) Protractor
9 2 (2.25%) Robotium
10 1 (1.12%) JIRA Agile
General
1 4 (4.49%) Finance
2 2 (2.25%) Electronics
2 2 (2.25%) Manufacturing
2 2 (2.25%) Marketing
2 2 (2.25%) Telecoms
3 1 (1.12%) Legal
Job Titles
1 69 (77.53%) Developer
2 27 (30.34%) .NET Developer
3 18 (20.22%) C# Developer
4 17 (19.10%) ASP.NET Developer
5 14 (15.73%) Senior Developer
6 13 (14.61%) C# .NET Developer
7 12 (13.48%) AWS Developer
8 11 (12.36%) C# ASP.NET Developer
8 11 (12.36%) Java Developer
9 10 (11.24%) ASP.NET MVC Developer
9 10 (11.24%) JavaScript Developer
10 8 (8.99%) Agile Developer
11 7 (7.87%) iOS Developer
11 7 (7.87%) Sitecore Developer
11 7 (7.87%) Test Manager
12 6 (6.74%) Agile .NET Developer
12 6 (6.74%) Senior iOS Developer
13 5 (5.62%) Azure Developer
14 4 (4.49%) Agile C# Developer
14 4 (4.49%) Android Developer
Libraries, Frameworks & Software Standards
1 41 (46.07%) .NET
2 37 (41.57%) HTML
3 33 (37.08%) CSS
4 32 (35.96%) ASP.NET
5 28 (31.46%) ASP.NET MVC
6 26 (29.21%) AngularJS
7 20 (22.47%) jQuery
8 18 (20.22%) Web Services
9 14 (15.73%) ASP.NET Web API
10 11 (12.36%) RabbitMQ
10 11 (12.36%) REST
11 10 (11.24%) SOAP
12 8 (8.99%) Ember.js
12 8 (8.99%) HTML5
13 7 (7.87%) JSON
13 7 (7.87%) Node.js
14 6 (6.74%) RESTful
14 6 (6.74%) WCF
15 5 (5.62%) Cocoa Touch
15 5 (5.62%) NHibernate
Miscellaneous
1 11 (12.36%) Mobile App
1 11 (12.36%) User Experience
2 9 (10.11%) Public Cloud
3 6 (6.74%) Blog
3 6 (6.74%) Computer Science
4 2 (2.25%) Inversion of Control
4 2 (2.25%) VLE
5 1 (1.12%) iPad
5 1 (1.12%) iPhone
5 1 (1.12%) Mainframe
5 1 (1.12%) Minimum Viable Product
5 1 (1.12%) Virtual Team
Operating Systems
1 9 (10.11%) Apple iOS
2 6 (6.74%) Android
3 4 (4.49%) Unix
4 1 (1.12%) Linux
Processes & Methodologies
1 65 (73.03%) Agile Software Development
2 36 (40.45%) MVC
3 29 (32.58%) BDD
3 29 (32.58%) Scrum
4 28 (31.46%) E-Commerce
5 19 (21.35%) Continuous Integration
5 19 (21.35%) High Availability
6 14 (15.73%) DevOps
7 11 (12.36%) Continuous Improvement
7 11 (12.36%) Microservices
7 11 (12.36%) Waterfall
8 10 (11.24%) OO
8 10 (11.24%) Responsive Web Design
8 10 (11.24%) Test Automation
9 9 (10.11%) Software Engineering
9 9 (10.11%) Unit Testing
10 8 (8.99%) Kanban
10 8 (8.99%) Web Design
11 7 (7.87%) Performance Testing
11 7 (7.87%) Test Management
Programming Languages
1 57 (64.04%) JavaScript
2 44 (49.44%) C#
3 14 (15.73%) Java
4 13 (14.61%) Ruby
5 11 (12.36%) Python
5 11 (12.36%) SQL
6 6 (6.74%) Apple Swift
6 6 (6.74%) Objective-C
6 6 (6.74%) Scala
7 5 (5.62%) Perl
8 3 (3.37%) PHP
9 1 (1.12%) T-SQL
Qualifications
1 6 (6.74%) Degree
2 5 (5.62%) ISTQB
2 5 (5.62%) ISTQB Advanced Certification
3 3 (3.37%) Security Cleared
4 1 (1.12%) SC Cleared
Quality Assurance & Compliance
1 10 (11.24%) QA
2 1 (1.12%) SDET
System Software
1 1 (1.12%) Docker
Systems Management
1 9 (10.11%) Opscode Chef
Vendors
1 10 (11.24%) Microsoft
2 7 (7.87%) Sitecore
3 3 (3.37%) IBM
3 3 (3.37%) Telerik
4 2 (2.25%) Blackboard
4 2 (2.25%) SAP
4 2 (2.25%) Sencha
4 2 (2.25%) Zend
5 1 (1.12%) Apple
5 1 (1.12%) Oracle
5 1 (1.12%) Xamarin