The table below looks at the statistics for TDD skills in IT contracts advertised for the Salford region. Included is a guide to the contractor rates offered in IT contracts that have cited TDD over the 3 months to 30 May 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
30 May 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank 4 4 7
Rank change year-on-year
0 +3
Contract jobs citing TDD 13 4 2
As % of all contract IT jobs located in Salford 34.21% 22.22% 7.41%
As % of the Processes & Methodologies category 37.14% 26.67% 10.53%
Number of daily rates quoted 5 4 2
Median daily rate £488 £415 £350
Median daily rate % change year-on-year
+17.46% +18.57%
90% offered a daily rate of more than £385 £383 £290
10% offered a daily rate of more than £495 £479 £410
UK excluding London median daily rate £413 £380 £375
% change year-on-year
+8.55% +1.33%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £42.40 £42.50 £59.50
% change year-on-year
-0.24% -28.57%
TDD
Manchester

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

Processes & Methodologies Category
Salford
Contract IT job ads with a match in the
Processes & Methodologies category
35 15 19
As % of all contract IT jobs located in Salford 92.11% 83.33% 70.37%
Number of daily rates quoted 18 12 12
Median daily rate £400 £400 £350
Median daily rate % change year-on-year
- +14.28%
90% offered a daily rate of more than £120 £347 £275
10% offered a daily rate of more than £488 £500 £425
UK excluding London median daily rate £400 £385 £375
% change year-on-year
+3.89% +2.66%
Number of hourly rates quoted 0 1 2
Median hourly rate - £13.60 £19.63
Median hourly rate % change year-on-year
- -30.72%
UK excluding London median hourly rate £32.50 £30.00 £30.00
% change year-on-year
+8.33% -

TDD
Jobs Demand Trend in Salford

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

TDD Jobs Demand Trend in Salford

TDD
Daily Rate Trend in Salford

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

TDD Daily Rate Trend in Salford

TDD
Daily Rate Histogram in Salford

This chart provides a histogram of daily rates quoted in contract IT jobs citing TDD across the Salford region over the 3 months to 30 May 2016.

TDD Daily Rate Histogram in Salford

TDD
Top 30 Related IT Skills in Salford

For the 6 months to 30 May 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 Salford region with a requirement for TDD.

1 31 (88.57%) Agile Software Development
2 30 (85.71%) BDD
3 20 (57.14%) Java
4 17 (48.57%) JavaScript
5 13 (37.14%) SQL
6 12 (34.29%) Scala
6 12 (34.29%) Amazon AWS
6 12 (34.29%) REST
7 11 (31.43%) High Availability
7 11 (31.43%) NoSQL
7 11 (31.43%) RESTful
7 11 (31.43%) Linux
7 11 (31.43%) HTTP
7 11 (31.43%) CSS
7 11 (31.43%) Web Services
7 11 (31.43%) XML
7 11 (31.43%) Scrum
7 11 (31.43%) JSON
7 11 (31.43%) Performance Tuning
8 10 (28.57%) React
8 10 (28.57%) PHP
8 10 (28.57%) Node.js
9 8 (22.86%) Software Engineering
10 7 (20.00%) User Experience
11 6 (17.14%) Git (software)
11 6 (17.14%) Android
12 5 (14.29%) Spring
12 5 (14.29%) OOP
13 4 (11.43%) OO
13 4 (11.43%) Android Development

TDD
Top Related IT Skills in Salford 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 10 (28.57%) Node.js
Cloud Services
1 12 (34.29%) Amazon AWS
Communications & Networking
1 11 (31.43%) HTTP
Database & Business Intelligence
1 11 (31.43%) NoSQL
Development Applications
1 6 (17.14%) Git (software)
2 3 (8.57%) JUnit
3 2 (5.71%) Jenkins
4 1 (2.86%) Grunt
4 1 (2.86%) Jasmine
4 1 (2.86%) Maven
4 1 (2.86%) QUnit
4 1 (2.86%) Selenium
4 1 (2.86%) Subversion
Job Titles
1 28 (80.00%) Developer
2 12 (34.29%) JavaScript Developer
3 8 (22.86%) Node.js Developer
3 8 (22.86%) Software Developer
4 6 (17.14%) Java Developer
5 4 (11.43%) Android Developer
5 4 (11.43%) Mobile Developer
6 3 (8.57%) Agile Developer
6 3 (8.57%) Agile Java Developer
6 3 (8.57%) AWS Developer
6 3 (8.57%) Java Scala Developer
6 3 (8.57%) Scala Developer
6 3 (8.57%) Software Engineer
7 2 (5.71%) Android Engineer
8 1 (2.86%) Automation Tester
8 1 (2.86%) iOS Android Developer
8 1 (2.86%) iOS Developer
8 1 (2.86%) Manual Tester
8 1 (2.86%) Tester
Libraries, Frameworks & Software Standards
1 12 (34.29%) REST
2 11 (31.43%) CSS
2 11 (31.43%) JSON
2 11 (31.43%) RESTful
2 11 (31.43%) Web Services
2 11 (31.43%) XML
3 10 (28.57%) React
4 5 (14.29%) Spring
5 3 (8.57%) HTML
5 3 (8.57%) HTML5
5 3 (8.57%) XSLT
6 2 (5.71%) Hibernate
7 1 (2.86%) AngularJS
7 1 (2.86%) lodash
7 1 (2.86%) RequireJS
7 1 (2.86%) Sass
7 1 (2.86%) Underscore.js
Miscellaneous
1 7 (20.00%) User Experience
2 3 (8.57%) Mobile App
3 2 (5.71%) MHEG
4 1 (2.86%) Semantic Web
Operating Systems
1 11 (31.43%) Linux
2 6 (17.14%) Android
3 3 (8.57%) Apple iOS
Processes & Methodologies
1 31 (88.57%) Agile Software Development
2 30 (85.71%) BDD
3 11 (31.43%) High Availability
3 11 (31.43%) Performance Tuning
3 11 (31.43%) Scrum
4 8 (22.86%) Software Engineering
5 5 (14.29%) OOP
6 4 (11.43%) Android Development
6 4 (11.43%) Mobile Development
6 4 (11.43%) OO
7 2 (5.71%) Service Delivery
7 2 (5.71%) Software Testing
8 1 (2.86%) Graceful Degradation
8 1 (2.86%) iOS Development
8 1 (2.86%) Manual Testing
8 1 (2.86%) Responsive Web Design
8 1 (2.86%) Unit Testing
8 1 (2.86%) User Stories
8 1 (2.86%) Web Design
8 1 (2.86%) Web Development
Programming Languages
1 20 (57.14%) Java
2 17 (48.57%) JavaScript
3 13 (37.14%) SQL
4 12 (34.29%) Scala
5 10 (28.57%) PHP
6 2 (5.71%) Apple Swift
6 2 (5.71%) C++
6 2 (5.71%) Ruby
7 1 (2.86%) Objective-C