The following table provides summary statistics for contract job vacancies advertised in Surrey with a requirement for TDD skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited TDD over the 3 months to 28 March 2017 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Test-Driven Development (TDD)
South East / Surrey
3 months to
28 Mar 2017
Same period 2016 Same period 2015
Rank 31 55 66
Rank change year-on-year +24 +11  
Contract jobs citing TDD 67 50 31
As % of all contract IT jobs advertised in Surrey 5.67% 3.85% 2.14%
As % of the Processes & Methodologies category 6.91% 4.69% 2.62%
Number of daily rates quoted 55 33 27
Median daily rate £425 £425 £400
Median daily rate % change year-on-year - +6.25%  
90% offered a daily rate of more than £350 £363 £336
10% offered a daily rate of more than £540 £485 £525
UK excluding London median daily rate £405 £400 £375
% change year-on-year +1.12% +6.66%  
Number of hourly rates quoted 0 1 0
Median hourly rate - £47.50 -
UK excluding London median hourly rate £39.00 £45.75 £36.00
% change year-on-year -14.75% +27.08%  

TDD is in the process and methodology skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Surrey with a requirement for process and methodology skills.

Contract Process & Methodology Skills
Surrey
Contract job vacancies with a requirement for process and methodology skills 969 1066 1184
As % of all contract IT job vacancies advertised in Surrey 82.05% 82.00% 81.66%
Number of daily rates quoted 641 701 661
Median daily rate £445 £425 £400
Median daily rate % change year-on-year +4.70% +6.25%  
90% offered a daily rate of more than £325 £313 £275
10% offered a daily rate of more than £575 £550 £550
UK excluding London median daily rate £410 £400 £396
% change year-on-year +2.50% +1.01%  
Number of hourly rates quoted 17 81 29
Median hourly rate £27.50 £45.00 £40.00
Median hourly rate % change year-on-year -38.88% +12.50%  
90% offered a hourly rate of more than £15.00 £17.23 £17.90
10% offered a hourly rate of more than £45.00 £60.00 £51.68
UK excluding London median hourly rate £36.00 £38.50 £30.20
% change year-on-year -6.49% +27.48%  

TDD
Job Vacancy Trend in Surrey

The job posting trend of jobs advertised in Surrey citing TDD as a proportion of all contract or permanent IT jobs with a match in the Processes & Methodologies category.

Job vacancy trend for TDD in Surrey

TDD
Contractor Daily Rate Trend in Surrey

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

Contractor daily rate trend for TDD in Surrey

TDD
Contractor Daily Rate Histogram in Surrey

The daily rate distribution of IT jobs citing TDD in Surrey over the 3 months to 28 March 2017.

Contractor daily rate histogram for TDD in Surrey

TDD
Contractor Hourly Rate Trend in Surrey

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

Contractor hourly rate trend for TDD 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 28 March 2017. 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 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
Reigate +3 20 £425 +17.24% 4
Leatherhead +23 9 £375 -11.76% 2
Guildford +9 7 £488 -2.50% 4
Staines -2 5 £513 - 3
Woking -1 3 £488 +23.41% 2
Camberley - 2 £538 - 2
Redhill -10 1 £313 -26.47% 2
Sunbury-on-Thames - 1 £575 -
TDD
South East

For the 6 months to 28 March 2017, 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.

1 102 (87.18%) Agile Software Development
2 76 (64.96%) C#
3 54 (46.15%) .NET
4 52 (44.44%) BDD
5 42 (35.90%) AngularJS
6 41 (35.04%) Git (software)
7 40 (34.19%) JavaScript
8 38 (32.48%) Continuous Integration
9 36 (30.77%) CSS
9 36 (30.77%) ASP.NET Web API
10 35 (29.91%) Finance
11 34 (29.06%) Scrum
11 34 (29.06%) REST
12 31 (26.50%) SQL
13 28 (23.93%) Web Services
14 27 (23.08%) SOA
14 27 (23.08%) RESTful
15 25 (21.37%) HTML
16 24 (20.51%) Octopus Deploy
16 24 (20.51%) Java
16 24 (20.51%) Kanban
17 23 (19.66%) Team Foundation Server
17 23 (19.66%) Microsoft
17 23 (19.66%) E-Commerce
18 21 (17.95%) Selenium
18 21 (17.95%) DevOps
19 20 (17.09%) jQuery
20 19 (16.24%) Node.js
20 19 (16.24%) MVC
21 18 (15.38%) LESS

TDD
Co-occurring 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 8 (6.84%) NServiceBus
2 6 (5.13%) Apache
3 4 (3.42%) Apache Spark
4 3 (2.56%) OpenStack
5 2 (1.71%) JBoss
5 2 (1.71%) SharePoint
6 1 (0.85%) Adobe Experience Manager
6 1 (0.85%) BizTalk Server
6 1 (0.85%) Cloud Foundry
6 1 (0.85%) CMS
6 1 (0.85%) Elasticsearch
6 1 (0.85%) IIS
6 1 (0.85%) Kentico
6 1 (0.85%) SharePoint 2013
6 1 (0.85%) Sitecore CMS
6 1 (0.85%) Tomcat
6 1 (0.85%) Umbraco
6 1 (0.85%) WordPress
Applications
1 3 (2.56%) MS Excel
2 1 (0.85%) MS Office
Business Applications
1 1 (0.85%) Dynamics CRM
Cloud Services
1 14 (11.97%) Microsoft Azure
2 9 (7.69%) Amazon AWS
3 8 (6.84%) SaaS
4 1 (0.85%) Asana
4 1 (0.85%) GitHub
4 1 (0.85%) Heroku
4 1 (0.85%) Office 365
4 1 (0.85%) PaaS
Communications & Networking
1 3 (2.56%) DVB
1 3 (2.56%) HTTP
Database & Business Intelligence
1 16 (13.68%) SQL Server
2 9 (7.69%) NoSQL
3 7 (5.98%) Azure SQL Database
3 7 (5.98%) Hadoop
4 5 (4.27%) Big Data
5 2 (1.71%) Apache Cassandra
5 2 (1.71%) HBase
5 2 (1.71%) MongoDB
5 2 (1.71%) MySQL
5 2 (1.71%) Redis
6 1 (0.85%) Apache Hive
6 1 (0.85%) CouchDB
6 1 (0.85%) Microsoft Analysis Services
6 1 (0.85%) Oracle Reports
6 1 (0.85%) PostgreSQL
6 1 (0.85%) RavenDB
6 1 (0.85%) SQL Server 2005
6 1 (0.85%) SQL Server Analysis Services
6 1 (0.85%) SQL Server Integration Services
6 1 (0.85%) SQL Server Reporting Services
Development Applications
1 41 (35.04%) Git (software)
2 24 (20.51%) Octopus Deploy
3 23 (19.66%) Team Foundation Server
4 21 (17.95%) Selenium
5 14 (11.97%) Grunt
5 14 (11.97%) Jenkins
5 14 (11.97%) WebDriver
6 12 (10.26%) Bower
6 12 (10.26%) SpecFlow
7 10 (8.55%) NUnit
8 9 (7.69%) MSTest
8 9 (7.69%) TeamCity
9 8 (6.84%) JSUnit
9 8 (6.84%) NuGet
9 8 (6.84%) Visual Studio
10 6 (5.13%) GoCD
10 6 (5.13%) Protractor
11 4 (3.42%) Cucumber
11 4 (3.42%) Gerrit
11 4 (3.42%) Subversion
General
1 35 (29.91%) Finance
2 5 (4.27%) Banking
2 5 (4.27%) Publishing
3 4 (3.42%) Games
3 4 (3.42%) Telecoms
4 3 (2.56%) Retail
5 2 (1.71%) Advertising
6 1 (0.85%) Investment Banking
6 1 (0.85%) Legal
6 1 (0.85%) Marketing
Job Titles
1 81 (69.23%) Developer
2 43 (36.75%) .NET Developer
3 29 (24.79%) C# Developer
4 25 (21.37%) C# .NET Developer
5 16 (13.68%) Senior Developer
6 14 (11.97%) Analyst
6 14 (11.97%) Test Analyst
7 13 (11.11%) Full Stack Developer
7 13 (11.11%) Senior .NET Developer
8 11 (9.40%) Angular Developer
8 11 (9.40%) Java Developer
9 10 (8.55%) Automation Test Analyst
10 9 (7.69%) Agile Developer
10 9 (7.69%) JavaScript Developer
10 9 (7.69%) Senior C# .NET Developer
10 9 (7.69%) Senior C# Developer
11 7 (5.98%) Agile C# Developer
11 7 (5.98%) Front End Developer (Client-Side Developer)
12 6 (5.13%) Agile .NET Developer
12 6 (5.13%) Web Developer
Libraries, Frameworks & Software Standards
1 54 (46.15%) .NET
2 42 (35.90%) AngularJS
3 36 (30.77%) ASP.NET Web API
3 36 (30.77%) CSS
4 34 (29.06%) REST
5 28 (23.93%) Web Services
6 27 (23.08%) RESTful
7 25 (21.37%) HTML
8 20 (17.09%) jQuery
9 19 (16.24%) Node.js
10 18 (15.38%) LESS
11 16 (13.68%) React
12 14 (11.97%) .NET Framework
12 14 (11.97%) HTML5
12 14 (11.97%) SOAP
13 13 (11.11%) Entity Framework
14 12 (10.26%) NHibernate
15 11 (9.40%) ASP.NET
15 11 (9.40%) CSS3
15 11 (9.40%) WCF
Miscellaneous
1 9 (7.69%) Analytical Skills
2 3 (2.56%) Digital TV
2 3 (2.56%) MPEG
2 3 (2.56%) STB
3 2 (1.71%) Data Structures
3 2 (1.71%) Linux Command Line
3 2 (1.71%) Mobile App
4 1 (0.85%) Clustering
4 1 (0.85%) Data Centre
4 1 (0.85%) User Experience
4 1 (0.85%) W3C
Operating Systems
1 9 (7.69%) Linux
2 4 (3.42%) Unix
3 2 (1.71%) Android
3 2 (1.71%) CentOS
3 2 (1.71%) Red Hat Enterprise Linux
3 2 (1.71%) Ubuntu
3 2 (1.71%) Windows
4 1 (0.85%) Apple iOS
4 1 (0.85%) Windows Server
4 1 (0.85%) Windows Server 2012
Processes & Methodologies
1 102 (87.18%) Agile Software Development
2 52 (44.44%) BDD
3 38 (32.48%) Continuous Integration
4 34 (29.06%) Scrum
5 27 (23.08%) SOA
6 24 (20.51%) Kanban
7 23 (19.66%) E-Commerce
8 21 (17.95%) DevOps
9 19 (16.24%) MVC
10 17 (14.53%) SOLID
10 17 (14.53%) Test Strategy
11 15 (12.82%) Unit Testing
11 15 (12.82%) Web Development
12 13 (11.11%) Software Engineering
13 11 (9.40%) Domain-Driven Design
14 10 (8.55%) Front End Development
14 10 (8.55%) MVVM
14 10 (8.55%) Test Automation
15 9 (7.69%) Non-Functional Testing
15 9 (7.69%) SDLC
Programming Languages
1 76 (64.96%) C#
2 40 (34.19%) JavaScript
3 31 (26.50%) SQL
4 24 (20.51%) Java
5 17 (14.53%) T-SQL
6 16 (13.68%) PowerShell
7 6 (5.13%) Python
8 5 (4.27%) Bash Shell
8 5 (4.27%) Ruby
9 3 (2.56%) C
9 3 (2.56%) C++
10 2 (1.71%) Apple Swift
10 2 (1.71%) Objective-C
10 2 (1.71%) Perl
10 2 (1.71%) Scala
10 2 (1.71%) VB.NET
11 1 (0.85%) Embedded C
11 1 (0.85%) Embedded C++
11 1 (0.85%) ES6
11 1 (0.85%) Go
Qualifications
1 6 (5.13%) ISTQB
2 4 (3.42%) ISTQB Foundation Certification
3 3 (2.56%) Degree
4 2 (1.71%) ISEB
5 1 (0.85%) Security Cleared
Quality Assurance & Compliance
1 6 (5.13%) QA
2 1 (0.85%) Data Quality
2 1 (0.85%) SDET
System Software
1 9 (7.69%) Docker
2 3 (2.56%) Apache ZooKeeper
2 3 (2.56%) VMware Infrastructure
2 3 (2.56%) vSphere
3 2 (1.71%) Virtual Machines
4 1 (0.85%) Active Directory
Systems Management
1 5 (4.27%) HP Quality Center
2 3 (2.56%) Hadoop YARN
3 2 (1.71%) logstash
4 1 (0.85%) Ansible
4 1 (0.85%) Kubernetes
4 1 (0.85%) Microsoft Clustering
4 1 (0.85%) Opscode Chef
4 1 (0.85%) Puppet
Vendors
1 23 (19.66%) Microsoft
2 9 (7.69%) Oracle
3 4 (3.42%) HP
3 4 (3.42%) VMware
4 2 (1.71%) Red Hat
4 2 (1.71%) SaltStack
4 2 (1.71%) Splunk
5 1 (0.85%) Adobe
5 1 (0.85%) Cloudera
5 1 (0.85%) Hortonworks
5 1 (0.85%) Sitecore
Surrey
Initi8 Recruitment
Rate: £400 - £475 Per Day
Posted: 11 hours ago
Sutton, Surrey
Intrinsic Recruitment Ltd
Rate: Up to £450 per day + Bonus & Benefits
Posted: Yesterday
Surrey
TEKsystems
Rate: £250 - £400 per day
Posted: Yesterday
Farnham, Surrey
TLP Consultancy Ltd.
Rate: £250 - £500 per day
Posted: 6 days ago
Camberley, Surrey
Initi8 Recruitment
Rate: £450 - £475 Per Day
Posted: 4 days ago
Staines, Middlesex
Sopra Steria Recruitment
Rate: £Negotiable/Flexible
Posted: 6 days ago