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 19 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
19 Jan 2017
Same period 2016 Same period 2015
Test-Driven Development (TDD)
Manchester / Salford
Rank 12 2 3
Rank change year-on-year
-10 +1
Contract jobs citing TDD 10 17 7
As % of all contract IT jobs located in Salford 15.38% 40.48% 22.58%
As % of the Processes & Methodologies category 16.67% 44.74% 41.18%
Number of daily rates quoted 10 15 7
Median daily rate £435 £425 £375
Median daily rate % change year-on-year
+2.35% +13.33%
90% offered a daily rate of more than £423 £350 £330
10% offered a daily rate of more than £525 £425 £475
UK excluding London median daily rate £425 £398 £375
% change year-on-year
+6.91% +6.00%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £36.51 £38.00 £38.25
% change year-on-year
-3.92% -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 Salford region.

Processes & Methodologies Category
Salford
Contract IT job ads with a match in the
Processes & Methodologies category
60 38 17
As % of all contract IT jobs located in Salford 92.31% 90.48% 54.84%
Number of daily rates quoted 54 30 12
Median daily rate £425 £388 £350
Median daily rate % change year-on-year
+9.67% +10.71%
90% offered a daily rate of more than £325 £300 £300
10% offered a daily rate of more than £550 £425 £425
UK excluding London median daily rate £405 £400 £390
% change year-on-year
+1.25% +2.56%
Number of hourly rates quoted 0 1 0
Median hourly rate - £15.00 -
UK excluding London median hourly rate £35.00 £40.00 £26.00
% change year-on-year
-12.50% +53.84%

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 19 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 Salford region with a requirement for TDD.

1 23 (100.00%) Agile Software Development
2 20 (86.96%) BDD
3 16 (69.57%) Software Engineering
4 14 (60.87%) JavaScript
5 13 (56.52%) Scrum
6 12 (52.17%) Git (software)
6 12 (52.17%) HTML
7 11 (47.83%) Web Services
8 10 (43.48%) JSON
8 10 (43.48%) Games
8 10 (43.48%) Android
8 10 (43.48%) REST
9 9 (39.13%) Apple iOS
9 9 (39.13%) HTML5
10 8 (34.78%) Amazon AWS
10 8 (34.78%) Node.js
10 8 (34.78%) User Experience
10 8 (34.78%) Java
11 7 (30.43%) JUnit
11 7 (30.43%) HTTP
11 7 (30.43%) React
11 7 (30.43%) Jenkins
11 7 (30.43%) Mobile App
12 6 (26.09%) Apache Cordova
12 6 (26.09%) High Availability
12 6 (26.09%) RESTful
12 6 (26.09%) NoSQL
12 6 (26.09%) Linux
12 6 (26.09%) OOP
12 6 (26.09%) XML

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 8 (34.78%) Amazon AWS
2 3 (13.04%) Cloud Computing
Communications & Networking
1 7 (30.43%) HTTP
2 3 (13.04%) Internet
Database & Business Intelligence
1 6 (26.09%) NoSQL
2 2 (8.70%) MarkLogic
2 2 (8.70%) MySQL
Development Applications
1 12 (52.17%) Git (software)
2 7 (30.43%) Jenkins
2 7 (30.43%) JUnit
3 6 (26.09%) Subversion
4 4 (17.39%) Cucumber
5 3 (13.04%) JIRA
5 3 (13.04%) PhantomJS
6 2 (8.70%) Mercurial
7 1 (4.35%) Babel
7 1 (4.35%) Calabash
7 1 (4.35%) Hudson
7 1 (4.35%) Robotium
7 1 (4.35%) Selenium
7 1 (4.35%) TeamCity
7 1 (4.35%) webpack
General
1 10 (43.48%) Games
2 3 (13.04%) Finance
Job Titles
1 10 (43.48%) Software Engineer
2 7 (30.43%) Developer
3 3 (13.04%) Android Developer
3 3 (13.04%) PHP Developer
3 3 (13.04%) Scala Software Engineer
3 3 (13.04%) Senior Android Developer
3 3 (13.04%) Senior Developer
4 2 (8.70%) Applications Consultant
4 2 (8.70%) Consultant
4 2 (8.70%) iOS Android Developer
4 2 (8.70%) iOS Developer
4 2 (8.70%) Senior iOS Android Developer
4 2 (8.70%) Senior iOS Developer
4 2 (8.70%) Technical Leader
5 1 (4.35%) Agile Business Analyst
5 1 (4.35%) Applications Engineer
5 1 (4.35%) Java Engineer
5 1 (4.35%) Java Software Engineer
5 1 (4.35%) JavaScript Developer
5 1 (4.35%) Senior Software Engineer
Libraries, Frameworks & Software Standards
1 12 (52.17%) HTML
2 11 (47.83%) Web Services
3 10 (43.48%) JSON
3 10 (43.48%) REST
4 9 (39.13%) HTML5
5 8 (34.78%) Node.js
6 7 (30.43%) React
7 6 (26.09%) Apache Cordova
7 6 (26.09%) RESTful
7 6 (26.09%) XML
8 4 (17.39%) AngularJS
9 3 (13.04%) CSS
9 3 (13.04%) Sass
9 3 (13.04%) XSLT
10 2 (8.70%) ActiveMQ
10 2 (8.70%) JMS
11 1 (4.35%) Ember.js
11 1 (4.35%) React Native
Miscellaneous
1 8 (34.78%) User Experience
2 7 (30.43%) Mobile App
3 2 (8.70%) Interactive TV
3 2 (8.70%) IPTV
3 2 (8.70%) MHEG
4 1 (4.35%) New Media
4 1 (4.35%) Streaming Media
Operating Systems
1 10 (43.48%) Android
2 9 (39.13%) Apple iOS
3 6 (26.09%) Linux
4 2 (8.70%) Unix
5 1 (4.35%) Windows
5 1 (4.35%) Windows Mobile
Processes & Methodologies
1 23 (100.00%) Agile Software Development
2 20 (86.96%) BDD
3 16 (69.57%) Software Engineering
4 13 (56.52%) Scrum
5 6 (26.09%) Continuous Integration
5 6 (26.09%) High Availability
5 6 (26.09%) OOP
6 5 (21.74%) Performance Tuning
7 4 (17.39%) Kanban
8 3 (13.04%) Android Development
8 3 (13.04%) Continuous Delivery
8 3 (13.04%) Project Management
8 3 (13.04%) Web Development
9 2 (8.70%) iOS Development
9 2 (8.70%) Mobile Application Development
9 2 (8.70%) Mobile Development
9 2 (8.70%) Service Delivery
9 2 (8.70%) Software Testing
9 2 (8.70%) UX Design
10 1 (4.35%) Automation Testing
Programming Languages
1 14 (60.87%) JavaScript
2 8 (34.78%) Java
3 6 (26.09%) SQL
4 5 (21.74%) PHP
4 5 (21.74%) Ruby
5 4 (17.39%) C++
6 3 (13.04%) Objective-C
6 3 (13.04%) Scala
7 2 (8.70%) ActionScript
7 2 (8.70%) C#
8 1 (4.35%) ECMAScript
8 1 (4.35%) ES6
Quality Assurance & Compliance
1 4 (17.39%) QA
Vendors
1 3 (13.04%) Twitter
2 2 (8.70%) OpenTV
2 2 (8.70%) Oracle