The table below looks at the statistics for TDD skills in IT contracts advertised for the Essex region. Included is a guide to the contractor rates offered in IT contracts that have cited TDD over the 3 months to 25 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
25 Jul 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank 30 24 39
Rank change year-on-year
-6 +15
Contract jobs citing TDD 26 37 17
As % of all contract IT jobs located in Essex 5.46% 5.96% 3.41%
As % of the Processes & Methodologies category 6.81% 7.64% 4.39%
Number of daily rates quoted 14 16 15
Median daily rate £375 £400 £448
Median daily rate % change year-on-year
-6.25% -10.61%
90% offered a daily rate of more than £220 £333 £385
10% offered a daily rate of more than £493 £589 £460
UK excluding London median daily rate £425 £375 £375
% change year-on-year
+13.33% -
Number of hourly rates quoted 4 2 0
Median hourly rate £31.45 £32.00 -
Median hourly rate % change year-on-year
-1.71% -
UK excluding London median hourly rate £40.00 £40.00 £59.50
% change year-on-year
- -32.77%
TDD
East of England

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

Processes & Methodologies Category
Essex
Contract IT job ads with a match in the
Processes & Methodologies category
382 484 387
As % of all contract IT jobs located in Essex 80.25% 77.94% 77.56%
Number of daily rates quoted 200 298 210
Median daily rate £340 £400 £400
Median daily rate % change year-on-year
-15.00% -
90% offered a daily rate of more than £228 £275 £237
10% offered a daily rate of more than £500 £550 £500
UK excluding London median daily rate £400 £388 £375
% change year-on-year
+3.22% +3.33%
Number of hourly rates quoted 93 48 47
Median hourly rate £36.00 £32.65 £30.00
Median hourly rate % change year-on-year
+10.26% +8.83%
90% offered a hourly rate of more than £16.50 £16.50 £16.50
10% offered a hourly rate of more than £46.00 £42.50 £41.95
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 Essex

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

TDD Jobs Demand Trend in Essex

TDD
Daily Rate Trend in Essex

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

TDD Daily Rate Trend in Essex

TDD
Daily Rate Histogram in Essex

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

TDD Daily Rate Histogram in Essex

TDD
Hourly Rate Trend in Essex

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

TDD Hourly Rate Trend in Essex

TDD
Contract Job Locations in Essex

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing TDD within the Essex region over the 3 months to 25 July 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
Basildon -1 3 £300 -25.00% 1
Southend-on-Sea +5 2 £500 -15.96%
Brentwood - 1 £475 -
Chelmsford - 1 - -
Hockley - 1 - -
TDD
East of England

TDD
Top 30 Related IT Skills in Essex

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

1 46 (85.19%) Agile Software Development
2 33 (61.11%) Java
3 31 (57.41%) HTML
4 30 (55.56%) Web Services
4 30 (55.56%) HTML5
5 27 (50.00%) XML
6 25 (46.30%) SOAP
7 22 (40.74%) J2EE
8 21 (38.89%) SQL Server
8 21 (38.89%) REST
8 21 (38.89%) AngularJS
9 17 (31.48%) C#
9 17 (31.48%) JavaScript
10 16 (29.63%) AccuRev
11 15 (27.78%) SOA
11 15 (27.78%) JSF
12 14 (25.93%) TopLink
13 13 (24.07%) Scrum
13 13 (24.07%) SQL
14 12 (22.22%) CSS
14 12 (22.22%) .NET
14 12 (22.22%) MVC
14 12 (22.22%) PrimeFaces
15 11 (20.37%) .NET Framework
15 11 (20.37%) Ajax
15 11 (20.37%) Oracle
16 10 (18.52%) Linux
16 10 (18.52%) Software Engineering
16 10 (18.52%) Selenium
16 10 (18.52%) Entity Framework

TDD
Top Related IT Skills in Essex 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 7 (12.96%) WebSphere
2 6 (11.11%) Mule
2 6 (11.11%) Oracle Service Bus
3 3 (5.56%) SharePoint
4 2 (3.70%) Apache
4 2 (3.70%) BizTalk Server
4 2 (3.70%) CMS
4 2 (3.70%) JBoss
4 2 (3.70%) SharePoint 2013
5 1 (1.85%) WebLogic
Applications
1 6 (11.11%) MS Excel
2 3 (5.56%) MS Office
Business Applications
1 2 (3.70%) Dynamics CRM
2 1 (1.85%) SAP Oil and Gas
Cloud Services
1 2 (3.70%) Google Analytics
Communications & Networking
1 4 (7.41%) Firewall
2 3 (5.56%) HTTP
2 3 (5.56%) SSL
2 3 (5.56%) TCP/IP
3 2 (3.70%) SAN
Database & Business Intelligence
1 21 (38.89%) SQL Server
2 5 (9.26%) Relational Database
3 4 (7.41%) SQL Server 2008
4 1 (1.85%) RDBMS
Development Applications
1 16 (29.63%) AccuRev
2 10 (18.52%) Selenium
3 7 (12.96%) Ant
4 6 (11.11%) Git (software)
4 6 (11.11%) NUnit
4 6 (11.11%) SpecFlow
5 5 (9.26%) Cucumber
5 5 (9.26%) Jenkins
5 5 (9.26%) SoapUI
6 3 (5.56%) Subversion
7 2 (3.70%) Gradle
7 2 (3.70%) JUnit
7 2 (3.70%) SonarQube
7 2 (3.70%) Team Foundation Server
8 1 (1.85%) JIRA
8 1 (1.85%) LoadUI
8 1 (1.85%) Maven
General
1 5 (9.26%) Automotive
2 4 (7.41%) Finance
3 3 (5.56%) Marketing
4 2 (3.70%) Manufacturing
5 1 (1.85%) Electronics
5 1 (1.85%) Telecoms
Job Titles
1 41 (75.93%) Developer
2 18 (33.33%) Java Developer
3 14 (25.93%) J2EE Developer
4 12 (22.22%) Java/J2EE Developer
5 10 (18.52%) .NET Developer
5 10 (18.52%) C# Developer
6 9 (16.67%) C# .NET Developer
7 6 (11.11%) Agile Developer
7 6 (11.11%) Angular Developer
7 6 (11.11%) ASP.NET Developer
7 6 (11.11%) C# ASP.NET Developer
7 6 (11.11%) HTML Developer
7 6 (11.11%) SOA Developer
8 5 (9.26%) ASP.NET MVC Developer
9 4 (7.41%) Integration Developer
10 3 (5.56%) Analyst
10 3 (5.56%) Java Programmer
10 3 (5.56%) JavaScript Developer
10 3 (5.56%) Programmer
10 3 (5.56%) Senior Developer
Libraries, Frameworks & Software Standards
1 31 (57.41%) HTML
2 30 (55.56%) HTML5
2 30 (55.56%) Web Services
3 27 (50.00%) XML
4 25 (46.30%) SOAP
5 22 (40.74%) J2EE
6 21 (38.89%) AngularJS
6 21 (38.89%) REST
7 15 (27.78%) JSF
8 14 (25.93%) TopLink
9 12 (22.22%) .NET
9 12 (22.22%) CSS
9 12 (22.22%) PrimeFaces
10 11 (20.37%) .NET Framework
10 11 (20.37%) Ajax
11 10 (18.52%) Entity Framework
12 8 (14.81%) ASP.NET
12 8 (14.81%) ASP.NET MVC
13 6 (11.11%) JSP
13 6 (11.11%) XHTML
Miscellaneous
1 4 (7.41%) Analytical Skills
2 3 (5.56%) Client/Server
2 3 (5.56%) Computer Science
3 2 (3.70%) Statistics
3 2 (3.70%) Virtual Team
3 2 (3.70%) Web 2.0
4 1 (1.85%) Enterprise Software
Operating Systems
1 10 (18.52%) Linux
2 7 (12.96%) Unix
3 3 (5.56%) Red Hat Enterprise Linux
4 2 (3.70%) Solaris
4 2 (3.70%) Windows
Processes & Methodologies
1 46 (85.19%) Agile Software Development
2 15 (27.78%) SOA
3 13 (24.07%) Scrum
4 12 (22.22%) MVC
5 10 (18.52%) Software Engineering
6 9 (16.67%) Extreme Programming
7 8 (14.81%) OO
8 7 (12.96%) ATDD
8 7 (12.96%) BDD
8 7 (12.96%) Continuous Integration
8 7 (12.96%) Pair Programming
8 7 (12.96%) Unit Testing
9 6 (11.11%) Kanban
9 6 (11.11%) RAD
10 5 (9.26%) Automated Testing
10 5 (9.26%) Configuration Management
10 5 (9.26%) DevOps
10 5 (9.26%) Mentoring
10 5 (9.26%) Open Source
11 4 (7.41%) Agile Testing
Programming Languages
1 33 (61.11%) Java
2 17 (31.48%) C#
2 17 (31.48%) JavaScript
3 13 (24.07%) SQL
4 2 (3.70%) XPath
5 1 (1.85%) Groovy
5 1 (1.85%) Shell Script
5 1 (1.85%) VB.NET
Qualifications
1 6 (11.11%) Degree
2 5 (9.26%) ISTQB
3 3 (5.56%) ISTQB Foundation Certification
4 2 (3.70%) ISEB
Quality Assurance & Compliance
1 2 (3.70%) SLA
System Software
1 2 (3.70%) Docker
Systems Management
1 4 (7.41%) Opscode Chef
2 3 (5.56%) Puppet
3 2 (3.70%) Ansible
4 1 (1.85%) Terraform
Vendors
1 11 (20.37%) Oracle
2 9 (16.67%) WSO2
3 6 (11.11%) IBM
4 3 (5.56%) CA
4 3 (5.56%) Microsoft
4 3 (5.56%) Rally
4 3 (5.56%) SAP
5 2 (3.70%) FatWire
5 2 (3.70%) Google
5 2 (3.70%) Infor
5 2 (3.70%) Omniture
5 2 (3.70%) Salesforce.com