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 10 December 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
10 Dec 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank 8 9 25
Rank change year-on-year
+1 +16
Contract jobs citing TDD 61 55 41
As % of all contract IT jobs located in Essex 15.25% 9.89% 7.85%
As % of the Processes & Methodologies category 17.84% 12.64% 9.56%
Number of daily rates quoted 47 41 33
Median daily rate £430 £525 £475
Median daily rate % change year-on-year
-18.09% +10.52%
90% offered a daily rate of more than £260 £350 £390
10% offered a daily rate of more than £547 £600 £625
UK excluding London median daily rate £425 £400 £375
% change year-on-year
+6.25% +6.66%
Number of hourly rates quoted 3 6 0
Median hourly rate £36.00 £36.50 -
Median hourly rate % change year-on-year
-1.36% -
UK excluding London median hourly rate £39.76 £36.50 £38.25
% change year-on-year
+8.93% -4.57%
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
342 435 429
As % of all contract IT jobs located in Essex 85.50% 78.24% 82.18%
Number of daily rates quoted 223 231 264
Median daily rate £425 £438 £438
Median daily rate % change year-on-year
-2.85% -
90% offered a daily rate of more than £258 £300 £300
10% offered a daily rate of more than £545 £580 £600
UK excluding London median daily rate £413 £400 £385
% change year-on-year
+3.12% +3.89%
Number of hourly rates quoted 55 77 39
Median hourly rate £36.00 £34.50 £30.00
Median hourly rate % change year-on-year
+4.34% +15.00%
90% offered a hourly rate of more than £16.50 £16.50 £16.50
10% offered a hourly rate of more than £43.00 £45.00 £48.10
UK excluding London median hourly rate £30.00 £34.00 £25.00
% change year-on-year
-11.76% +36.00%

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 10 December 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 10 December 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
Southend-on-Sea +1 12 £520 -5.45%
Brentwood +13 4 £265 -18.46% 1
Basildon -4 2 £235 -
TDD
East of England

TDD
Top 30 Related IT Skills in Essex

For the 6 months to 10 December 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 52 (74.29%) Agile Software Development
2 46 (65.71%) Continuous Integration
3 40 (57.14%) Scrum
4 39 (55.71%) DevOps
5 31 (44.29%) SOA
6 29 (41.43%) Java
7 24 (34.29%) Jenkins
8 21 (30.00%) Kanban
9 19 (27.14%) Android
9 19 (27.14%) Software Engineering
9 19 (27.14%) Mentoring
10 17 (24.29%) Apple iOS
10 17 (24.29%) Pair Programming
11 16 (22.86%) SAP
11 16 (22.86%) Business Intelligence
12 15 (21.43%) Open Source
12 15 (21.43%) Mobile App
12 15 (21.43%) Android Development
13 14 (20.00%) BDD
13 14 (20.00%) RESTful
13 14 (20.00%) Finance
13 14 (20.00%) Oracle
13 14 (20.00%) Linux
13 14 (20.00%) Manufacturing
13 14 (20.00%) Integration Testing
13 14 (20.00%) Digital Marketing
13 14 (20.00%) Marketing
14 13 (18.57%) JSON
14 13 (18.57%) Programme Management
14 13 (18.57%) SAP Oil and Gas

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 12 (17.14%) Oracle SOA Suite
2 10 (14.29%) Adobe Experience Manager
3 9 (12.86%) Confluence
4 8 (11.43%) Apache
4 8 (11.43%) JBoss
5 4 (5.71%) Mule
5 4 (5.71%) Oracle Service Bus
6 3 (4.29%) WebSphere
7 2 (2.86%) BizTalk Server
7 2 (2.86%) SharePoint
7 2 (2.86%) Skype for Business
Applications
1 3 (4.29%) MS Excel
2 1 (1.43%) MS Office
2 1 (1.43%) MS PowerPoint
2 1 (1.43%) MS Visio
Business Applications
1 13 (18.57%) SAP Oil and Gas
2 2 (2.86%) Dynamics CRM
Cloud Services
1 8 (11.43%) GitHub
2 2 (2.86%) Microsoft Azure
2 2 (2.86%) Office 365
2 2 (2.86%) Yammer
Communications & Networking
1 10 (14.29%) HTTP
1 10 (14.29%) SSL
1 10 (14.29%) TCP/IP
2 2 (2.86%) Firewall
Database & Business Intelligence
1 8 (11.43%) Relational Database
2 2 (2.86%) MongoDB
2 2 (2.86%) NoSQL
2 2 (2.86%) SQL Server
3 1 (1.43%) Amazon DynamoDB
3 1 (1.43%) Apache Cassandra
Development Applications
1 24 (34.29%) Jenkins
2 11 (15.71%) Git (software)
3 10 (14.29%) JIRA
4 9 (12.86%) JIRA Agile
5 8 (11.43%) JUnit
5 8 (11.43%) Subversion
6 6 (8.57%) Calabash
6 6 (8.57%) Gradle
6 6 (8.57%) SoapUI
7 3 (4.29%) Xcode
8 2 (2.86%) Android Studio
8 2 (2.86%) Ant
8 2 (2.86%) Maven
General
1 14 (20.00%) Finance
1 14 (20.00%) Manufacturing
1 14 (20.00%) Marketing
2 13 (18.57%) Electronics
2 13 (18.57%) Telecoms
3 2 (2.86%) Automotive
3 2 (2.86%) Retail
4 1 (1.43%) Legal
Job Titles
1 33 (47.14%) Developer
2 11 (15.71%) Java Developer
3 9 (12.86%) Android Developer
4 8 (11.43%) iOS Developer
5 6 (8.57%) Java Software Developer
5 6 (8.57%) Scrum Master
5 6 (8.57%) Senior Developer
5 6 (8.57%) Senior Java Developer
6 5 (7.14%) Lead DevOps
6 5 (7.14%) Senior Java Software Developer
6 5 (7.14%) Senior Software Developer
6 5 (7.14%) Test Automation Specialist
6 5 (7.14%) Test Specialist
7 4 (5.71%) DevOps Engineer
8 3 (4.29%) Agile Scrum Master
8 3 (4.29%) Linux/Unix DevOps
8 3 (4.29%) QA Manager
8 3 (4.29%) Release Manager
8 3 (4.29%) Senior DevOps
8 3 (4.29%) SOA Architect
Libraries, Frameworks & Software Standards
1 14 (20.00%) RESTful
2 13 (18.57%) J2EE
2 13 (18.57%) JSON
2 13 (18.57%) Web Services
3 12 (17.14%) XML
4 11 (15.71%) HTML
4 11 (15.71%) Middleware
5 10 (14.29%) SOAP
6 8 (11.43%) Core Animation
6 8 (11.43%) Core Data
7 5 (7.14%) Android SDK
8 4 (5.71%) Apache Camel
8 4 (5.71%) Cocoa
8 4 (5.71%) iOS SDK
9 3 (4.29%) CSS
9 3 (4.29%) iPhone SDK
9 3 (4.29%) Play Framework
9 3 (4.29%) REST
9 3 (4.29%) Ruby on Rails
9 3 (4.29%) Swagger
Miscellaneous
1 15 (21.43%) Mobile App
2 11 (15.71%) Analytical Skills
3 8 (11.43%) Animation
3 8 (11.43%) Computer Science
4 5 (7.14%) Enterprise Software
4 5 (7.14%) Virtual Team
5 3 (4.29%) iPhone
6 1 (1.43%) Driving Licence
6 1 (1.43%) NHS
Operating Systems
1 19 (27.14%) Android
2 17 (24.29%) Apple iOS
3 14 (20.00%) Linux
4 11 (15.71%) Red Hat Enterprise Linux
5 2 (2.86%) Unix
5 2 (2.86%) Windows
Processes & Methodologies
1 52 (74.29%) Agile Software Development
2 46 (65.71%) Continuous Integration
3 40 (57.14%) Scrum
4 39 (55.71%) DevOps
5 31 (44.29%) SOA
6 21 (30.00%) Kanban
7 19 (27.14%) Mentoring
7 19 (27.14%) Software Engineering
8 17 (24.29%) Pair Programming
9 16 (22.86%) Business Intelligence
10 15 (21.43%) Android Development
10 15 (21.43%) Open Source
11 14 (20.00%) BDD
11 14 (20.00%) Digital Marketing
11 14 (20.00%) Integration Testing
12 13 (18.57%) iOS Development
12 13 (18.57%) Programme Management
13 12 (17.14%) Continuous Delivery
14 11 (15.71%) Coaching
14 11 (15.71%) User Stories
Programming Languages
1 29 (41.43%) Java
2 12 (17.14%) JavaScript
3 8 (11.43%) Perl
4 6 (8.57%) Apple Swift
4 6 (8.57%) Objective-C
5 5 (7.14%) XPath
6 3 (4.29%) C
6 3 (4.29%) C++
6 3 (4.29%) Ruby
7 2 (2.86%) C#
8 1 (1.43%) SQL
Qualifications
1 8 (11.43%) Degree
2 1 (1.43%) SC Cleared
2 1 (1.43%) Security Cleared
Quality Assurance & Compliance
1 3 (4.29%) QA
2 2 (2.86%) Disclosure Scotland
System Software
1 8 (11.43%) Docker
Systems Management
1 12 (17.14%) Opscode Chef
1 12 (17.14%) Puppet
2 2 (2.86%) Ansible
3 1 (1.43%) Terraform
Vendors
1 16 (22.86%) SAP
2 14 (20.00%) Oracle
3 12 (17.14%) WSO2
4 10 (14.29%) Adobe
5 3 (4.29%) IBM
6 2 (2.86%) Infor
6 2 (2.86%) Microsoft
6 2 (2.86%) Salesforce.com
7 1 (1.43%) CA Agile Central
7 1 (1.43%) Mapbox
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