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 September 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 Sep 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank 5 2 12
Rank change year-on-year
-3 +10
Contract jobs citing TDD 14 7 6
As % of all contract IT jobs located in Salford 24.14% 25.93% 12.77%
As % of the Processes & Methodologies category 26.42% 30.43% 13.95%
Number of daily rates quoted 12 7 5
Median daily rate £419 £375 £350
Median daily rate % change year-on-year
+11.66% +7.14%
90% offered a daily rate of more than £355 £350 £335
10% offered a daily rate of more than £449 £445 £380
UK excluding London median daily rate £425 £390 £375
% change year-on-year
+8.97% +4.00%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £41.25 £37.45 £35.00
% change year-on-year
+10.14% +7.00%
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
53 23 43
As % of all contract IT jobs located in Salford 91.38% 85.19% 91.49%
Number of daily rates quoted 42 18 30
Median daily rate £413 £375 £350
Median daily rate % change year-on-year
+10.00% +7.14%
90% offered a daily rate of more than £350 £275 £320
10% offered a daily rate of more than £498 £645 £450
UK excluding London median daily rate £400 £400 £375
% change year-on-year
- +6.66%
Number of hourly rates quoted 2 3 0
Median hourly rate £19.25 £14.50 -
Median hourly rate % change year-on-year
+32.75% -
UK excluding London median hourly rate £32.50 £34.00 £25.75
% change year-on-year
-4.41% +32.03%

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
Top 30 Related IT Skills in Salford

For the 6 months to 30 September 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 21 (100.00%) Agile Software Development
2 18 (85.71%) BDD
3 14 (66.67%) User Experience
4 12 (57.14%) OOP
5 11 (52.38%) JavaScript
5 11 (52.38%) Android
6 10 (47.62%) Git (software)
6 10 (47.62%) Software Engineering
6 10 (47.62%) HTML
6 10 (47.62%) Java
6 10 (47.62%) Jenkins
7 9 (42.86%) JSON
8 8 (38.10%) Web Services
8 8 (38.10%) Android Development
8 8 (38.10%) Mobile Development
9 7 (33.33%) Apple iOS
9 7 (33.33%) CSS
9 7 (33.33%) Subversion
10 6 (28.57%) Continuous Integration
10 6 (28.57%) PHP
10 6 (28.57%) Scrum
10 6 (28.57%) Objective-C
10 6 (28.57%) REST
11 5 (23.81%) HTML5
11 5 (23.81%) Mobile App
11 5 (23.81%) Continuous Delivery
11 5 (23.81%) Games
11 5 (23.81%) C++
11 5 (23.81%) Internet
11 5 (23.81%) Ruby

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:

Cloud Services
1 3 (14.29%) Amazon AWS
1 3 (14.29%) Cloud Computing
2 1 (4.76%) GitHub
Communications & Networking
1 5 (23.81%) Internet
2 3 (14.29%) HTTP
Database & Business Intelligence
1 1 (4.76%) MySQL
Development Applications
1 10 (47.62%) Git (software)
1 10 (47.62%) Jenkins
2 7 (33.33%) Subversion
3 4 (19.05%) Cucumber
4 3 (14.29%) Calabash
4 3 (14.29%) Hudson
4 3 (14.29%) JIRA
4 3 (14.29%) JUnit
4 3 (14.29%) PhantomJS
4 3 (14.29%) Robotium
4 3 (14.29%) TeamCity
5 2 (9.52%) Jasmine
6 1 (4.76%) JsTestDriver
6 1 (4.76%) QUnit
6 1 (4.76%) Selenium
General
1 5 (23.81%) Games
Job Titles
1 14 (66.67%) Developer
2 8 (38.10%) Android Developer
3 5 (23.81%) Mobile Developer
4 4 (19.05%) iOS Android Developer
4 4 (19.05%) iOS Developer
4 4 (19.05%) Software Engineer
5 3 (14.29%) Agile Developer
5 3 (14.29%) Android Engineer
5 3 (14.29%) PHP Developer
5 3 (14.29%) Senior Android Developer
5 3 (14.29%) Senior Developer
6 2 (9.52%) Android Software Engineer
6 2 (9.52%) HTML Developer
6 2 (9.52%) iOS Software Engineer
6 2 (9.52%) JavaScript Developer
6 2 (9.52%) Senior iOS Android Developer
6 2 (9.52%) Senior iOS Developer
6 2 (9.52%) Senior Software Engineer
7 1 (4.76%) HTML CSS Developer
7 1 (4.76%) Java Android Developer
Libraries, Frameworks & Software Standards
1 10 (47.62%) HTML
2 9 (42.86%) JSON
3 8 (38.10%) Web Services
4 7 (33.33%) CSS
5 6 (28.57%) REST
6 5 (23.81%) HTML5
7 4 (19.05%) Sass
8 3 (14.29%) Node.js
8 3 (14.29%) XML
9 1 (4.76%) React
9 1 (4.76%) RESTful
9 1 (4.76%) XHTML
Miscellaneous
1 14 (66.67%) User Experience
2 5 (23.81%) Mobile App
3 3 (14.29%) Streaming Media
4 2 (9.52%) Interactive TV
4 2 (9.52%) IPTV
4 2 (9.52%) MHEG
5 1 (4.76%) Animation
5 1 (4.76%) New Media
Operating Systems
1 11 (52.38%) Android
2 7 (33.33%) Apple iOS
3 3 (14.29%) Windows
3 3 (14.29%) Windows Mobile
Processes & Methodologies
1 21 (100.00%) Agile Software Development
2 18 (85.71%) BDD
3 12 (57.14%) OOP
4 10 (47.62%) Software Engineering
5 8 (38.10%) Android Development
5 8 (38.10%) Mobile Development
6 6 (28.57%) Continuous Integration
6 6 (28.57%) Scrum
7 5 (23.81%) Continuous Delivery
8 4 (19.05%) Automated Testing
8 4 (19.05%) iOS Development
8 4 (19.05%) OO
8 4 (19.05%) Web Development
9 3 (14.29%) Coaching
9 3 (14.29%) DRM
9 3 (14.29%) Pair Programming
9 3 (14.29%) Project Management
10 2 (9.52%) Automation Testing
10 2 (9.52%) Mobile Application Development
10 2 (9.52%) Software Testing
Programming Languages
1 11 (52.38%) JavaScript
2 10 (47.62%) Java
3 6 (28.57%) Objective-C
3 6 (28.57%) PHP
4 5 (23.81%) C++
4 5 (23.81%) Ruby
5 2 (9.52%) ActionScript
5 2 (9.52%) C#
6 1 (4.76%) Apple Swift
Quality Assurance & Compliance
1 3 (14.29%) QA
Vendors
1 2 (9.52%) OpenTV