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 17 January 2017 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
17 Jan 2017
Same period 2016 Same period 2015
Test-Driven Development (TDD)
Rank 7 21 29
Rank change year-on-year
+14 +8
Contract jobs citing TDD 61 35 22
As % of all contract IT jobs located in Essex 15.56% 6.74% 5.25%
As % of the Processes & Methodologies category 18.54% 8.39% 6.71%
Number of daily rates quoted 48 34 18
Median daily rate £413 £538 £606
Median daily rate % change year-on-year
-23.25% -11.34%
90% offered a daily rate of more than £260 £333 £375
10% offered a daily rate of more than £540 £600 £633
UK excluding London median daily rate £420 £400 £375
% change year-on-year
+5.00% +6.66%
Number of hourly rates quoted 3 0 0
Median hourly rate £36.00 - -
UK excluding London median hourly rate £36.00 £38.00 £38.25
% change year-on-year
-5.26% -0.65%

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
329 417 328
As % of all contract IT jobs located in Essex 83.93% 80.35% 78.28%
Number of daily rates quoted 212 241 179
Median daily rate £400 £438 £400
Median daily rate % change year-on-year
-8.57% +9.37%
90% offered a daily rate of more than £260 £275 £250
10% offered a daily rate of more than £513 £600 £625
UK excluding London median daily rate £410 £400 £390
% change year-on-year
+2.50% +2.56%
Number of hourly rates quoted 44 64 41
Median hourly rate £36.00 £38.50 £21.00
Median hourly rate % change year-on-year
-6.49% +83.33%
90% offered a hourly rate of more than £19.00 £16.50 £16.50
10% offered a hourly rate of more than £43.40 £62.50 £48.10
UK excluding London median hourly rate £34.50 £39.00 £25.50
% change year-on-year
-11.53% +52.94%

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 17 January 2017.

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 17 January 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
Southend-on-Sea +1 7 £483 -12.27% 3
Brentwood +14 4 £265 -18.46%
Basildon - 1 - -
Colchester - 1 £375 -
TDD
East of England

TDD
Top 30 Related IT Skills in Essex

For the 6 months to 17 January 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 Essex region with a requirement for TDD.

1 67 (77.01%) Agile Software Development
2 55 (63.22%) Continuous Integration
3 52 (59.77%) DevOps
4 46 (52.87%) Scrum
5 42 (48.28%) Java
6 40 (45.98%) SOA
7 28 (32.18%) Jenkins
8 25 (28.74%) Software Engineering
9 24 (27.59%) Kanban
10 23 (26.44%) Mentoring
11 22 (25.29%) Business Intelligence
11 22 (25.29%) SAP
12 20 (22.99%) Web Services
12 20 (22.99%) Finance
12 20 (22.99%) Digital Marketing
12 20 (22.99%) Marketing
12 20 (22.99%) Pair Programming
12 20 (22.99%) Manufacturing
12 20 (22.99%) Android
13 19 (21.84%) Programme Management
13 19 (21.84%) SAP Oil and Gas
13 19 (21.84%) Electronics
13 19 (21.84%) Telecoms
14 18 (20.69%) Apple iOS
15 17 (19.54%) BDD
15 17 (19.54%) Open Source
15 17 (19.54%) Automated Testing
15 17 (19.54%) Oracle
16 16 (18.39%) J2EE
16 16 (18.39%) JavaScript

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 (13.79%) Confluence
1 12 (13.79%) Oracle SOA Suite
2 11 (12.64%) Adobe Experience Manager
3 8 (9.20%) Apache
3 8 (9.20%) JBoss
4 5 (5.75%) WebSphere
5 4 (4.60%) WebLogic
6 3 (3.45%) Mule
6 3 (3.45%) Oracle Service Bus
7 2 (2.30%) BizTalk Server
7 2 (2.30%) SharePoint
7 2 (2.30%) Skype for Business
Applications
1 3 (3.45%) MS Excel
2 1 (1.15%) MS Office
2 1 (1.15%) MS PowerPoint
2 1 (1.15%) MS Visio
Business Applications
1 19 (21.84%) SAP Oil and Gas
2 2 (2.30%) Dynamics CRM
Cloud Services
1 8 (9.20%) GitHub
2 2 (2.30%) Microsoft Azure
2 2 (2.30%) Office 365
2 2 (2.30%) Yammer
Communications & Networking
1 10 (11.49%) HTTP
1 10 (11.49%) SSL
1 10 (11.49%) TCP/IP
2 2 (2.30%) Firewall
Database & Business Intelligence
1 9 (10.34%) Relational Database
2 2 (2.30%) MongoDB
2 2 (2.30%) NoSQL
2 2 (2.30%) SQL Server
3 1 (1.15%) Amazon DynamoDB
3 1 (1.15%) Apache Cassandra
3 1 (1.15%) Oracle Database
Development Applications
1 28 (32.18%) Jenkins
2 14 (16.09%) Git (software)
3 13 (14.94%) JIRA
4 12 (13.79%) JIRA Agile
4 12 (13.79%) SoapUI
5 8 (9.20%) JUnit
5 8 (9.20%) Subversion
6 6 (6.90%) Calabash
6 6 (6.90%) Gradle
7 4 (4.60%) Ant
8 3 (3.45%) Maven
8 3 (3.45%) Selenium
8 3 (3.45%) Xcode
8 3 (3.45%) XDoclet
9 2 (2.30%) Android Studio
10 1 (1.15%) gulp
10 1 (1.15%) webpack
General
1 20 (22.99%) Finance
1 20 (22.99%) Manufacturing
1 20 (22.99%) Marketing
2 19 (21.84%) Electronics
2 19 (21.84%) Telecoms
3 2 (2.30%) Automotive
3 2 (2.30%) Retail
4 1 (1.15%) Legal
Job Titles
1 40 (45.98%) Developer
2 18 (20.69%) Java Developer
3 9 (10.34%) Android Developer
4 8 (9.20%) iOS Developer
4 8 (9.20%) Scrum Master
4 8 (9.20%) Test Automation Specialist
4 8 (9.20%) Test Specialist
5 7 (8.05%) Java Software Developer
5 7 (8.05%) Senior Developer
5 7 (8.05%) Senior Java Developer
6 6 (6.90%) Senior Java Software Developer
6 6 (6.90%) Senior Software Developer
7 5 (5.75%) Lead DevOps
8 4 (4.60%) Agile Scrum Master
8 4 (4.60%) Architect
8 4 (4.60%) DevOps Engineer
8 4 (4.60%) SOA Architect
8 4 (4.60%) Technical Architect
9 3 (3.45%) QA Manager
9 3 (3.45%) Release Manager
Libraries, Frameworks & Software Standards
1 20 (22.99%) Web Services
2 16 (18.39%) J2EE
2 16 (18.39%) RESTful
3 13 (14.94%) HTML
3 13 (14.94%) JSON
3 13 (14.94%) Middleware
3 13 (14.94%) SOAP
4 12 (13.79%) XML
5 8 (9.20%) Core Animation
5 8 (9.20%) Core Data
6 5 (5.75%) Android SDK
6 5 (5.75%) CSS
7 4 (4.60%) Ajax
7 4 (4.60%) HTML5
7 4 (4.60%) iOS SDK
7 4 (4.60%) JSP
7 4 (4.60%) LESS
7 4 (4.60%) Ruby on Rails
7 4 (4.60%) Sass
7 4 (4.60%) Swagger
Miscellaneous
1 15 (17.24%) Analytical Skills
1 15 (17.24%) Mobile App
2 9 (10.34%) Computer Science
3 8 (9.20%) Animation
3 8 (9.20%) Enterprise Software
3 8 (9.20%) Virtual Team
4 3 (3.45%) iPhone
5 1 (1.15%) Driving Licence
5 1 (1.15%) NHS
Operating Systems
1 20 (22.99%) Android
2 18 (20.69%) Apple iOS
3 16 (18.39%) Linux
4 11 (12.64%) Red Hat Enterprise Linux
5 4 (4.60%) Unix
6 2 (2.30%) Windows
Processes & Methodologies
1 67 (77.01%) Agile Software Development
2 55 (63.22%) Continuous Integration
3 52 (59.77%) DevOps
4 46 (52.87%) Scrum
5 40 (45.98%) SOA
6 25 (28.74%) Software Engineering
7 24 (27.59%) Kanban
8 23 (26.44%) Mentoring
9 22 (25.29%) Business Intelligence
10 20 (22.99%) Digital Marketing
10 20 (22.99%) Pair Programming
11 19 (21.84%) Programme Management
12 17 (19.54%) Automated Testing
12 17 (19.54%) BDD
12 17 (19.54%) Open Source
13 16 (18.39%) Android Development
13 16 (18.39%) Integration Testing
14 14 (16.09%) iOS Development
14 14 (16.09%) User Stories
15 12 (13.79%) Continuous Delivery
Programming Languages
1 42 (48.28%) Java
2 16 (18.39%) JavaScript
3 8 (9.20%) Perl
4 6 (6.90%) Apple Swift
4 6 (6.90%) Objective-C
5 5 (5.75%) SQL
6 4 (4.60%) Groovy
6 4 (4.60%) Ruby
6 4 (4.60%) XPath
7 3 (3.45%) C
7 3 (3.45%) C++
8 2 (2.30%) C#
9 1 (1.15%) ES6
9 1 (1.15%) TypeScript
Qualifications
1 9 (10.34%) Degree
2 1 (1.15%) SC Cleared
2 1 (1.15%) Security Cleared
Quality Assurance & Compliance
1 3 (3.45%) QA
2 2 (2.30%) Disclosure Scotland
System Software
1 8 (9.20%) Docker
Systems Management
1 12 (13.79%) Opscode Chef
1 12 (13.79%) Puppet
2 2 (2.30%) Ansible
3 1 (1.15%) Terraform
Vendors
1 22 (25.29%) SAP
2 17 (19.54%) Oracle
3 11 (12.64%) Adobe
3 11 (12.64%) WSO2
4 5 (5.75%) IBM
5 2 (2.30%) Infor
5 2 (2.30%) Mapbox
5 2 (2.30%) Microsoft
5 2 (2.30%) Salesforce.com
6 1 (1.15%) CA Agile Central
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