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 27 March 2015 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
27 Mar 2015
Same period 2014 Same period 2013
Test-Driven Development (TDD)
Rank 22 36 39
Rank change year-on-year
+14 +3
Contract jobs citing TDD 37 28 4
As % of all contract IT jobs located in Essex 8.04% 4.01% 1.01%
As % of the Processes & Methodologies category 10.60% 5.15% 1.50%
Number of daily rates quoted 20 15 3
Average daily rate
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of your Daily Rate
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£400 £425 £250
Average daily rate % change year-on-year
-5.88% +70.00%
UK excluding London average daily rate £375 £375 £350
% change year-on-year
- +7.14%
Number of hourly rates quoted 4 2 0
Average hourly rate £36.00 £45.00 -
Average hourly rate % change year-on-year
-20.00% -
UK excluding London average hourly rate £39.25 £40.00 £39.00
% change year-on-year
-1.87% +2.56%
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
349 544 267
As % of all contract IT jobs located in Essex 75.87% 77.94% 67.09%
Number of daily rates quoted 185 313 133
Average daily rate £400 £400 £338
Average daily rate % change year-on-year
- +18.51%
90% offered a daily rate of more than £225 £275 £238
10% offered a daily rate of more than £525 £575 £455
UK excluding London average daily rate £396 £375 £363
% change year-on-year
+5.60% +3.44%
Number of hourly rates quoted 39 35 52
Average hourly rate £36.00 £29.25 £32.50
Average hourly rate % change year-on-year
+23.07% -10.00%
90% offered a hourly rate of more than £16.50 £14.55 £25.80
10% offered a hourly rate of more than £44.25 £38.50 £46.00
UK excluding London average hourly rate £31.44 £27.50 £32.00
% change year-on-year
+14.32% -14.06%

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 27 March 2015.

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
Hourly Rate Histogram in Essex

This chart provides a histogram of hourly rates quoted in contract IT jobs citing TDD across the Essex region over the 3 months to 27 March 2015.

TDD Hourly Rate Histogram 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 27 March 2015. 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
Brentwood - 8 £218 -
Southend-on-Sea +5 6 £425 +13.33% 1
Basildon - 6 - -
Witham - - - -
Chelmsford - - - - 1
Colchester - - - -
Harlow - - - -
Purfleet - - - - 1
TDD
East of England

TDD
Top 30 Related IT Skills in Essex

For the 6 months to 27 March 2015, 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 68 (88.31%) Java
2 55 (71.43%) Agile Software Development
3 54 (70.13%) HTML
4 53 (68.83%) XML
5 52 (67.53%) SQL
6 50 (64.94%) Web Services
7 40 (51.95%) CSS
8 39 (50.65%) UNIX
8 39 (50.65%) Linux
9 36 (46.75%) J2EE
10 35 (45.45%) Relational Database
11 34 (44.16%) JavaScript
11 34 (44.16%) SOAP
11 34 (44.16%) HTML5
12 29 (37.66%) REST
13 27 (35.06%) TopLink
14 26 (33.77%) Scrum
14 26 (33.77%) User Stories
15 25 (32.47%) JAX-RS
15 25 (32.47%) Hibernate
16 23 (29.87%) MVC
17 21 (27.27%) Spring
18 20 (25.97%) Content Management
18 20 (25.97%) Web Development
18 20 (25.97%) Spring MVC
18 20 (25.97%) Mac OS X
18 20 (25.97%) PL/SQL
18 20 (25.97%) MySQL
18 20 (25.97%) Oracle
18 20 (25.97%) SQL Server

TDD
Top Related IT Skills in Essex by Category

For the 6 months to 27 March 2015, 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 19 (24.68%) JBoss
1 19 (24.68%) WebSphere
2 14 (18.18%) WebLogic
3 1 (1.30%) IIS
3 1 (1.30%) Node.js
Applications
1 4 (5.19%) MS Excel
Business Applications
1 4 (5.19%) Oracle Payables
2 1 (1.30%) Google Analytics
Communications & Networking
1 19 (24.68%) LDAP
2 13 (16.88%) HTTP
Database & Business Intelligence
1 35 (45.45%) Relational Database
2 20 (25.97%) MySQL
2 20 (25.97%) SQL Server
2 20 (25.97%) MariaDB
3 8 (10.39%) MongoDB
3 8 (10.39%) Neo4j
4 5 (6.49%) SQL Server 2012
4 5 (6.49%) SQL Server 2008
4 5 (6.49%) Data Warehouse
5 1 (1.30%) DTS
Development Applications
1 19 (24.68%) Ant
2 18 (23.38%) Eclipse
3 14 (18.18%) SoapUI
4 5 (6.49%) AccuRev
4 5 (6.49%) JUnit
5 4 (5.19%) Git (software)
5 4 (5.19%) Jenkins
6 1 (1.30%) Team Foundation Server
General
1 18 (23.38%) Marketing
2 9 (11.69%) Manufacturing
3 6 (7.79%) Finance
4 4 (5.19%) Banking
5 2 (2.60%) Retail
5 2 (2.60%) Retail Banking
6 1 (1.30%) Front Office
6 1 (1.30%) Back Office
Job Titles
1 65 (84.42%) Developer
2 52 (67.53%) Java Developer
3 22 (28.57%) Java/J2EE Developer
4 9 (11.69%) Agile Coach
5 6 (7.79%) J2EE Developer
5 6 (7.79%) Senior Developer
6 5 (6.49%) Data Warehouse Developer
7 4 (5.19%) Senior Java Developer
8 3 (3.90%) .NET Developer
8 3 (3.90%) ScrumMaster
9 2 (2.60%) C# .NET Developer
9 2 (2.60%) ASP.NET Developer
9 2 (2.60%) C# Developer
9 2 (2.60%) Web Developer
9 2 (2.60%) C# ASP.NET Developer
9 2 (2.60%) HTML Developer
10 1 (1.30%) Senior Web Developer
10 1 (1.30%) Senior .NET Developer
10 1 (1.30%) Development Manager
10 1 (1.30%) Analyst
Libraries, Frameworks & Software Standards
1 54 (70.13%) HTML
2 53 (68.83%) XML
3 50 (64.94%) Web Services
4 40 (51.95%) CSS
5 36 (46.75%) J2EE
6 34 (44.16%) SOAP
6 34 (44.16%) HTML5
7 29 (37.66%) REST
8 27 (35.06%) TopLink
9 25 (32.47%) JAX-RS
9 25 (32.47%) Hibernate
10 21 (27.27%) Spring
11 20 (25.97%) Spring MVC
12 19 (24.68%) Ajax
12 19 (24.68%) JPA
12 19 (24.68%) JAAS
13 18 (23.38%) XHTML
14 17 (22.08%) JAX-WS
15 15 (19.48%) JSF
15 15 (19.48%) PrimeFaces
Miscellaneous
1 20 (25.97%) Enterprise Software
2 14 (18.18%) Visualisation
3 5 (6.49%) Analytical Skills
4 2 (2.60%) Management Information System
5 1 (1.30%) Web 2.0
Operating Systems
1 39 (50.65%) UNIX
1 39 (50.65%) Linux
2 20 (25.97%) Mac OS X
3 18 (23.38%) Windows
3 18 (23.38%) Solaris
Processes & Methodologies
1 55 (71.43%) Agile Software Development
2 26 (33.77%) Scrum
2 26 (33.77%) User Stories
3 23 (29.87%) MVC
4 20 (25.97%) Content Management
4 20 (25.97%) Web Development
5 17 (22.08%) Use Case
5 17 (22.08%) Digital Marketing
6 16 (20.78%) RUP
7 15 (19.48%) OO
8 14 (18.18%) Configuration Management
8 14 (18.18%) Web Design
8 14 (18.18%) Validation
8 14 (18.18%) Responsive Web Design
8 14 (18.18%) Microservices
9 13 (16.88%) Mentoring
9 13 (16.88%) Continuous Integration
10 10 (12.99%) Software Engineering
10 10 (12.99%) Test Automation
11 9 (11.69%) Product Management
Programming Languages
1 68 (88.31%) Java
2 52 (67.53%) SQL
3 34 (44.16%) JavaScript
4 20 (25.97%) PL/SQL
5 14 (18.18%) C#
6 12 (15.58%) Ruby
7 5 (6.49%) VBA
8 1 (1.30%) Groovy
8 1 (1.30%) T-SQL
Qualifications
1 2 (2.60%) Security Cleared
System Software
1 1 (1.30%) Docker
Vendors
1 20 (25.97%) Oracle
2 19 (24.68%) IBM
3 1 (1.30%) FatWire
3 1 (1.30%) Omniture
3 1 (1.30%) Google