The table below looks at the statistics for TDD skills in IT contracts advertised for the Essex region. Included is a guide to the average contractor rates offered in IT contracts that have cited TDD over the 3 months to 19 December 2014 with a comparison to the same period in 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.

Location
3 months to
19 Dec 2014
Same period 2013 Same period 2012
Test-Driven Development (TDD)
Rank 25 41 40
Rank change year-on-year
+16 -1
Contract jobs citing TDD 42 16 3
As % of all contract IT jobs located in Essex 8.20% 2.79% 0.82%
As % of the Processes & Methodologies category 10.71% 4.05% 1.28%
Number of daily rates quoted 34 11 2
Average daily rate
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of your Daily Rate
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£463 £250 £336
Average daily rate % change year-on-year
+85.00% -25.65%
90% offered a daily rate of more than £379 £175 £327
10% offered a daily rate of more than £625 £425 £345
UK excluding London average daily rate £375 £350 £365
% change year-on-year
+7.14% -4.10%
Number of hourly rates quoted 0 0 0
Average hourly rate - - -
UK excluding London average hourly rate £39.50 £33.00 £36.75
% change year-on-year
+19.69% -10.20%
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
392 395 234
As % of all contract IT jobs located in Essex 76.56% 68.82% 64.11%
Number of daily rates quoted 240 235 128
Average daily rate £425 £363 £375
Average daily rate % change year-on-year
+17.24% -3.33%
90% offered a daily rate of more than £275 £175 £160
10% offered a daily rate of more than £600 £500 £516
UK excluding London average daily rate £388 £365 £365
% change year-on-year
+6.16% -
Number of hourly rates quoted 33 62 39
Average hourly rate £21.00 £31.50 £30.50
Average hourly rate % change year-on-year
-33.33% +3.27%
90% offered a hourly rate of more than £16.50 £13.60 £15.00
10% offered a hourly rate of more than £48.10 £44.00 £36.00
UK excluding London average hourly rate £25.00 £27.00 £30.00
% change year-on-year
-7.40% -10.00%

TDD
Jobs Demand Trend in Essex

This chart provides a 3-month moving total of IT contractor jobs citing TDD across the Essex region as a proportion of the total demand within 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 19 December 2014.

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 average contractor rates quoted in IT jobs citing TDD within the Essex region over the 3 months to 19 December 2014. 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
(Use links below to see detailed
statistics and historical trends)
Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Average
Daily Rate
Last 3 Months
Average Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Basildon -3 2 - -
Chelmsford - - - - 2
TDD
East of England

TDD
Top 30 Related IT Skills in Essex

For the 6 months to 19 December 2014, IT contractor jobs across the Essex region citing TDD also mentioned the following IT skills in order of popularity. The figures indicate the number of jobs and their proportion against the total number of contract IT job ads sampled that cited TDD.

1 51 (73.91%) Java
2 50 (72.46%) SQL
3 38 (55.07%) HTML
3 38 (55.07%) CSS
4 37 (53.62%) Linux
5 35 (50.72%) UNIX
6 33 (47.83%) XML
6 33 (47.83%) Agile Software Development
7 32 (46.38%) JavaScript
7 32 (46.38%) MVC
7 32 (46.38%) Relational Database
8 30 (43.48%) Spring
9 28 (40.58%) Web Development
9 28 (40.58%) PL/SQL
9 28 (40.58%) Oracle
9 28 (40.58%) Web Services
10 27 (39.13%) JAAS
10 27 (39.13%) LDAP
10 27 (39.13%) Mac OS X
10 27 (39.13%) Hibernate
10 27 (39.13%) JPA
11 26 (37.68%) Enterprise Software
11 26 (37.68%) JBoss
11 26 (37.68%) MySQL
12 24 (34.78%) Spring MVC
13 23 (33.33%) MariaDB
14 21 (30.43%) Scrum
15 20 (28.99%) C#
16 17 (24.64%) REST
16 17 (24.64%) User Stories

TDD
Top Related IT Skills in Essex by Category

For the 6 months to 19 December 2014, IT contractor jobs across the Essex region citing TDD also mentioned the following IT skills grouped by category. The figures indicate the number of jobs and their proportion against the total number of contract IT job ads sampled that cited TDD. Up to 20 skills are shown per category.

Application Platforms
1 26 (37.68%) JBoss
2 16 (23.19%) WebLogic
3 8 (11.59%) WebSphere
4 2 (2.90%) Tomcat
4 2 (2.90%) Adobe CQ
4 2 (2.90%) Apache Solr
5 1 (1.45%) Node.js
5 1 (1.45%) CMS
Applications
1 4 (5.80%) MS Excel
Business Applications
1 7 (10.14%) Oracle Payables
2 1 (1.45%) Oracle Payroll
2 1 (1.45%) Dynamics CRM
Communications & Networking
1 27 (39.13%) LDAP
2 16 (23.19%) HTTP
3 1 (1.45%) Internet
Database & Business Intelligence
1 32 (46.38%) Relational Database
2 26 (37.68%) MySQL
3 23 (33.33%) MariaDB
4 12 (17.39%) SQL Server
5 9 (13.04%) SQL Server 2008
6 8 (11.59%) SQL Server 2012
6 8 (11.59%) Neo4j
6 8 (11.59%) MongoDB
7 6 (8.70%) Data Warehouse
8 4 (5.80%) SQL Server Reporting Services
9 3 (4.35%) SQL Server Integration Services
10 2 (2.90%) NoSQL
11 1 (1.45%) Data Mart
11 1 (1.45%) SQL Server 2005
11 1 (1.45%) DTS
Development Applications
1 9 (13.04%) Eclipse
2 8 (11.59%) Ant
3 5 (7.25%) SoapUI
4 2 (2.90%) Maven
4 2 (2.90%) Selenium
4 2 (2.90%) QUnit
4 2 (2.90%) Jasmine
4 2 (2.90%) Jenkins
4 2 (2.90%) Git (software)
4 2 (2.90%) MSTest
4 2 (2.90%) WebDriver
4 2 (2.90%) Rhino Mocks
4 2 (2.90%) Mockito
4 2 (2.90%) Hamcrest
General
1 8 (11.59%) Marketing
2 7 (10.14%) Finance
3 4 (5.80%) Banking
4 2 (2.90%) Legal
4 2 (2.90%) Retail
4 2 (2.90%) Retail Banking
5 1 (1.45%) Front Office
5 1 (1.45%) Manufacturing
Job Titles
1 54 (78.26%) Developer
2 37 (53.62%) Java Developer
3 9 (13.04%) Agile Coach
4 8 (11.59%) Senior Developer
5 6 (8.70%) Java/J2EE Developer
6 5 (7.25%) C# Developer
6 5 (7.25%) Data Warehouse Developer
6 5 (7.25%) Senior Java Developer
7 4 (5.80%) .NET Developer
7 4 (5.80%) C# .NET Developer
8 3 (4.35%) ScrumMaster
8 3 (4.35%) Business Intelligence Developer
9 2 (2.90%) Business Developer
9 2 (2.90%) Software Engineer
9 2 (2.90%) ASP.NET Developer
9 2 (2.90%) C# ASP.NET Developer
10 1 (1.45%) CRM Developer
10 1 (1.45%) CMS Developer
10 1 (1.45%) Dynamics CRM Developer
10 1 (1.45%) C# Software Developer
Libraries, Frameworks & Software Standards
1 38 (55.07%) HTML
1 38 (55.07%) CSS
2 33 (47.83%) XML
3 30 (43.48%) Spring
4 28 (40.58%) Web Services
5 27 (39.13%) JAAS
5 27 (39.13%) Hibernate
5 27 (39.13%) JPA
6 24 (34.78%) Spring MVC
7 17 (24.64%) REST
8 16 (23.19%) Struts2
8 16 (23.19%) Struts
9 15 (21.74%) JAX-RPC
9 15 (21.74%) JAX-RS
10 12 (17.39%) HTML5
11 11 (15.94%) J2EE
12 9 (13.04%) Ajax
12 9 (13.04%) .NET
12 9 (13.04%) SOAP
13 8 (11.59%) XHTML
Miscellaneous
1 26 (37.68%) Enterprise Software
2 15 (21.74%) Visualisation
3 5 (7.25%) Analytical Skills
4 2 (2.90%) Management Information System
4 2 (2.90%) Mathematics
4 2 (2.90%) Biology
4 2 (2.90%) Computer Science
4 2 (2.90%) Open Source
5 1 (1.45%) User Experience
5 1 (1.45%) Data Structures
Operating Systems
1 37 (53.62%) Linux
2 35 (50.72%) UNIX
3 27 (39.13%) Mac OS X
4 9 (13.04%) Windows
5 8 (11.59%) Solaris
6 1 (1.45%) Apple iOS
6 1 (1.45%) Android
Processes & Methodologies
1 33 (47.83%) Agile Software Development
2 32 (46.38%) MVC
3 28 (40.58%) Web Development
4 21 (30.43%) Scrum
5 17 (24.64%) User Stories
6 16 (23.19%) Responsive Web Design
7 15 (21.74%) Configuration Management
7 15 (21.74%) Web Design
7 15 (21.74%) Microservices
8 13 (18.84%) Mentoring
8 13 (18.84%) Continuous Integration
9 12 (17.39%) Software Engineering
10 11 (15.94%) Unit Testing
11 10 (14.49%) Validation
11 10 (14.49%) Test Automation
12 9 (13.04%) Product Management
12 9 (13.04%) Content Management
12 9 (13.04%) Refactoring
13 8 (11.59%) Business Intelligence
13 8 (11.59%) RUP
Programming Languages
1 51 (73.91%) Java
2 50 (72.46%) SQL
3 32 (46.38%) JavaScript
4 28 (40.58%) PL/SQL
5 20 (28.99%) C#
6 12 (17.39%) Ruby
7 5 (7.25%) VBA
8 3 (4.35%) T-SQL
9 2 (2.90%) Python
10 1 (1.45%) FQL
10 1 (1.45%) Groovy
Qualifications
1 6 (8.70%) Security Cleared
2 3 (4.35%) SC Cleared
3 1 (1.45%) ISEB
Quality Assurance & Compliance
1 1 (1.45%) QA
System Software
1 1 (1.45%) Docker
Systems Management
1 1 (1.45%) HP Quality Center
Vendors
1 28 (40.58%) Oracle
2 8 (11.59%) IBM
3 4 (5.80%) Microsoft
4 3 (4.35%) Twitter
5 2 (2.90%) Adobe
6 1 (1.45%) Facebook
6 1 (1.45%) FatWire
6 1 (1.45%) Vignette