The table below looks at the statistics for TDD skills in IT contracts advertised for the Surrey region. Included is a guide to the contractor rates offered in IT contracts that have cited TDD over the 3 months to 25 September 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
25 Sep 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank 36 33 71
Rank change year-on-year
-3 +38
Contract jobs citing TDD 46 72 23
As % of all contract IT jobs located in Surrey 4.02% 5.07% 1.70%
As % of the Processes & Methodologies category 4.89% 6.33% 2.22%
Number of daily rates quoted 37 50 17
Median daily rate £400 £399 £350
Median daily rate % change year-on-year
+0.25% +14.00%
90% offered a daily rate of more than £350 £349 £243
10% offered a daily rate of more than £550 £450 £385
UK excluding London median daily rate £425 £390 £375
% change year-on-year
+8.97% +4.00%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £41.25 £37.45 £36.25
% change year-on-year
+10.14% +3.31%
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 Surrey region.

Processes & Methodologies Category
Surrey
Contract IT job ads with a match in the
Processes & Methodologies category
941 1138 1035
As % of all contract IT jobs located in Surrey 82.33% 80.14% 76.72%
Number of daily rates quoted 664 668 613
Median daily rate £425 £400 £400
Median daily rate % change year-on-year
+6.25% -
90% offered a daily rate of more than £279 £308 £248
10% offered a daily rate of more than £550 £500 £525
UK excluding London median daily rate £400 £400 £375
% change year-on-year
- +6.66%
Number of hourly rates quoted 29 34 40
Median hourly rate £40.00 £40.00 £45.00
Median hourly rate % change year-on-year
- -11.11%
90% offered a hourly rate of more than £19.50 £21.00 £14.00
10% offered a hourly rate of more than £44.90 £51.52 £57.50
UK excluding London median hourly rate £32.50 £33.64 £26.25
% change year-on-year
-3.38% +28.15%

TDD
Jobs Demand Trend in Surrey

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

TDD Jobs Demand Trend in Surrey

TDD
Daily Rate Trend in Surrey

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

TDD Daily Rate Trend in Surrey

TDD
Daily Rate Histogram in Surrey

This chart provides a histogram of daily rates quoted in contract IT jobs citing TDD across the Surrey region over the 3 months to 25 September 2016.

TDD Daily Rate Histogram in Surrey

TDD
Hourly Rate Trend in Surrey

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

TDD Hourly Rate Trend in Surrey

TDD
Contract Job Locations in Surrey

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing TDD within the Surrey region over the 3 months to 25 September 2016. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location
(Click see detailed
statistics and trends)
Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Woking +13 14 £380 - 3
Staines -3 10 £500 +33.33%
Leatherhead +15 3 £475 +26.66% 4
Guildford +3 3 £550 +57.14% 2
Redhill -1 2 £300 -25.00%
Egham 0 1 £400 -5.88%
Weybridge -8 1 £488 +18.18%
Camberley - 1 £550 -
TDD
South East

TDD
Top 30 Related IT Skills in Surrey

For the 6 months to 25 September 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 Surrey region with a requirement for TDD.

1 83 (90.22%) Agile Software Development
2 38 (41.30%) C#
3 34 (36.96%) JavaScript
4 32 (34.78%) BDD
5 31 (33.70%) .NET
6 30 (32.61%) Continuous Integration
7 28 (30.43%) Java
7 28 (30.43%) Scrum
8 27 (29.35%) CSS
9 26 (28.26%) HTML
10 25 (27.17%) AngularJS
11 24 (26.09%) Git (software)
12 22 (23.91%) Team Foundation Server
12 22 (23.91%) Kanban
12 22 (23.91%) CSS3
13 21 (22.83%) RESTful
14 20 (21.74%) jQuery
14 20 (21.74%) REST
14 20 (21.74%) Front End Development
15 19 (20.65%) Node.js
15 19 (20.65%) Web Development
15 19 (20.65%) SQL
15 19 (20.65%) Web Services
16 17 (18.48%) HTML5
16 17 (18.48%) ASP.NET Web API
17 16 (17.39%) MVC
18 14 (15.22%) ASP.NET
18 14 (15.22%) Microsoft
18 14 (15.22%) Open Source
18 14 (15.22%) Sass

TDD
Top Related IT Skills in Surrey 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 6 (6.52%) Cloud Foundry
2 5 (5.43%) BizTalk Server
3 3 (3.26%) Apache Spark
3 3 (3.26%) SharePoint
3 3 (3.26%) SharePoint 2013
4 2 (2.17%) CMS
5 1 (1.09%) Umbraco
Applications
1 1 (1.09%) MS Excel
Business Applications
1 3 (3.26%) Dynamics CRM
2 1 (1.09%) Dynamics AX
Cloud Services
1 3 (3.26%) Amazon AWS
2 2 (2.17%) Amazon EC2
3 1 (1.09%) Force.com
3 1 (1.09%) Microsoft Azure
3 1 (1.09%) SaaS
Communications & Networking
1 5 (5.43%) DVB
1 5 (5.43%) HTTP
2 3 (3.26%) Firewall
2 3 (3.26%) SAN
2 3 (3.26%) TCP/IP
Database & Business Intelligence
1 13 (14.13%) SQL Server
2 6 (6.52%) NoSQL
3 4 (4.35%) Big Data
4 3 (3.26%) Apache Hive
4 3 (3.26%) Hadoop
4 3 (3.26%) HBase
4 3 (3.26%) Oracle Database
5 2 (2.17%) Oracle Database 10g
5 2 (2.17%) SQL Server 2012
6 1 (1.09%) MySQL
Development Applications
1 24 (26.09%) Git (software)
2 22 (23.91%) Team Foundation Server
3 12 (13.04%) Bower
4 11 (11.96%) Octopus Deploy
5 10 (10.87%) Grunt
6 8 (8.70%) NuGet
6 8 (8.70%) SpecFlow
7 7 (7.61%) Selenium
8 5 (5.43%) NUnit
8 5 (5.43%) WebDriver
9 4 (4.35%) Jenkins
10 3 (3.26%) TeamCity
11 2 (2.17%) Appium
11 2 (2.17%) Eclipse
11 2 (2.17%) HP UFT
11 2 (2.17%) Jasmine
11 2 (2.17%) JUnit
11 2 (2.17%) Moq
11 2 (2.17%) SoapUI
12 1 (1.09%) Vagrant
General
1 7 (7.61%) Finance
2 2 (2.17%) Back Office
2 2 (2.17%) Banking
2 2 (2.17%) Publishing
2 2 (2.17%) Telecoms
3 1 (1.09%) Advertising
3 1 (1.09%) Front Office
3 1 (1.09%) Law
3 1 (1.09%) Legal
Job Titles
1 66 (71.74%) Developer
2 23 (25.00%) .NET Developer
3 18 (19.57%) JavaScript Developer
4 16 (17.39%) C# Developer
4 16 (17.39%) Front End Developer (Client-Side Developer)
5 14 (15.22%) C# .NET Developer
6 11 (11.96%) Agile Developer
6 11 (11.96%) Java Developer
7 10 (10.87%) Angular Developer
8 9 (9.78%) Web Developer
9 8 (8.70%) Agile .NET Developer
10 7 (7.61%) Agile C# Developer
10 7 (7.61%) C# Web Developer
10 7 (7.61%) Senior Developer
11 6 (6.52%) .NET Web Developer
11 6 (6.52%) ASP.NET MVC Developer
11 6 (6.52%) Software Engineer
12 5 (5.43%) Analyst
12 5 (5.43%) Automation Test Analyst
12 5 (5.43%) Test Analyst
Libraries, Frameworks & Software Standards
1 31 (33.70%) .NET
2 27 (29.35%) CSS
3 26 (28.26%) HTML
4 25 (27.17%) AngularJS
5 22 (23.91%) CSS3
6 21 (22.83%) RESTful
7 20 (21.74%) jQuery
7 20 (21.74%) REST
8 19 (20.65%) Node.js
8 19 (20.65%) Web Services
9 17 (18.48%) ASP.NET Web API
9 17 (18.48%) HTML5
10 14 (15.22%) ASP.NET
10 14 (15.22%) Sass
11 13 (14.13%) Backbone.js
11 13 (14.13%) Ember.js
11 13 (14.13%) Spring
12 11 (11.96%) KnockoutJS
12 11 (11.96%) OAuth
12 11 (11.96%) OAuth2
Miscellaneous
1 5 (5.43%) Digital TV
1 5 (5.43%) MPEG
1 5 (5.43%) STB
2 3 (3.26%) Analytical Skills
2 3 (3.26%) Computer Science
2 3 (3.26%) Data Integration
2 3 (3.26%) Embedded Systems
3 2 (2.17%) Tandem
4 1 (1.09%) Mobile App
4 1 (1.09%) User Experience
Operating Systems
1 9 (9.78%) Linux
1 9 (9.78%) Windows
2 4 (4.35%) Unix
3 2 (2.17%) AIX
4 1 (1.09%) VMS
Processes & Methodologies
1 83 (90.22%) Agile Software Development
2 32 (34.78%) BDD
3 30 (32.61%) Continuous Integration
4 28 (30.43%) Scrum
5 22 (23.91%) Kanban
6 20 (21.74%) Front End Development
7 19 (20.65%) Web Development
8 16 (17.39%) MVC
9 14 (15.22%) Open Source
10 10 (10.87%) Configuration Management
10 10 (10.87%) Software Engineering
11 8 (8.70%) Microservices
11 8 (8.70%) Multithreading
12 7 (7.61%) E-Commerce
12 7 (7.61%) Open Source Development
12 7 (7.61%) SOA
13 6 (6.52%) Continuous Deployment
13 6 (6.52%) Web Application Development
14 5 (5.43%) SOLID
14 5 (5.43%) User Stories
Programming Languages
1 38 (41.30%) C#
2 34 (36.96%) JavaScript
3 28 (30.43%) Java
4 19 (20.65%) SQL
5 10 (10.87%) C++
6 6 (6.52%) C
6 6 (6.52%) T-SQL
7 3 (3.26%) Embedded C++
7 3 (3.26%) PHP
7 3 (3.26%) Scala
7 3 (3.26%) Shell Script
8 2 (2.17%) Embedded C
8 2 (2.17%) PowerShell
9 1 (1.09%) Apex Code
9 1 (1.09%) Python
9 1 (1.09%) SOQL
9 1 (1.09%) SOSL
Qualifications
1 6 (6.52%) Security Cleared
2 4 (4.35%) SC Cleared
3 3 (3.26%) Degree
4 2 (2.17%) ISTQB
5 1 (1.09%) ISTQB Foundation Certification
5 1 (1.09%) MCITP
5 1 (1.09%) Microsoft Certification
Quality Assurance & Compliance
1 2 (2.17%) Disclosure Scotland
1 2 (2.17%) QA
2 1 (1.09%) SLA
System Software
1 7 (7.61%) Docker
Systems Management
1 2 (2.17%) Ansible
1 2 (2.17%) HP Quality Center
Vendors
1 14 (15.22%) Microsoft
2 4 (4.35%) Oracle
3 3 (3.26%) Hortonworks
4 2 (2.17%) HP
4 2 (2.17%) Sitecore
5 1 (1.09%) Salesforce.com
5 1 (1.09%) TIBCO
5 1 (1.09%) Zend