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 26 February 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
26 Feb 2017
Same period 2016 Same period 2015
Test-Driven Development (TDD)
Manchester / Salford
Rank 17 3 3
Rank change year-on-year
-14 0
Contract jobs citing TDD 9 22 8
As % of all contract IT jobs located in Salford 10.59% 56.41% 33.33%
As % of the Processes & Methodologies category 11.54% 59.46% 44.44%
Number of daily rates quoted 8 22 8
Median daily rate £425 £419 £394
Median daily rate % change year-on-year
+1.49% +6.34%
90% offered a daily rate of more than £393 £325 £335
10% offered a daily rate of more than £525 £425 £450
UK excluding London median daily rate £415 £400 £375
% change year-on-year
+3.75% +6.66%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £39.00 £40.00 £34.50
% change year-on-year
-2.50% +15.94%

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
78 37 18
As % of all contract IT jobs located in Salford 91.76% 94.87% 75.00%
Number of daily rates quoted 70 33 15
Median daily rate £425 £425 £413
Median daily rate % change year-on-year
- +3.03%
90% offered a daily rate of more than £367 £325 £300
10% offered a daily rate of more than £575 £425 £450
UK excluding London median daily rate £408 £400 £399
% change year-on-year
+2.00% +0.24%
Number of hourly rates quoted 1 1 0
Median hourly rate £10.50 £15.00 -
Median hourly rate % change year-on-year
-30.00% -
UK excluding London median hourly rate £36.00 £40.00 £28.50
% change year-on-year
-10.00% +40.35%

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 26 February 2017.

TDD Daily Rate Histogram in Salford

TDD
Top 30 Related IT Skills in Salford

For the 6 months to 26 February 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 21 (91.30%) Agile Software Development
2 17 (73.91%) Software Engineering
2 17 (73.91%) BDD
3 15 (65.22%) JavaScript
4 14 (60.87%) Scrum
5 11 (47.83%) Android
5 11 (47.83%) Git (software)
5 11 (47.83%) HTML
5 11 (47.83%) Games
6 10 (43.48%) Web Services
6 10 (43.48%) REST
6 10 (43.48%) HTML5
7 9 (39.13%) Apple iOS
7 9 (39.13%) Node.js
7 9 (39.13%) Java
8 8 (34.78%) Mobile App
9 7 (30.43%) High Availability
9 7 (30.43%) React
9 7 (30.43%) Linux
9 7 (30.43%) JSON
10 6 (26.09%) RESTful
10 6 (26.09%) Amazon AWS
10 6 (26.09%) HTTP
10 6 (26.09%) SQL
10 6 (26.09%) JUnit
10 6 (26.09%) NoSQL
10 6 (26.09%) Apache Cordova
11 5 (21.74%) Android Development
11 5 (21.74%) Performance Tuning
11 5 (21.74%) 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 6 (26.09%) Amazon AWS
2 2 (8.70%) GitHub
3 1 (4.35%) Cloud Computing
Communications & Networking
1 6 (26.09%) HTTP
2 2 (8.70%) Internet
Database & Business Intelligence
1 6 (26.09%) NoSQL
2 2 (8.70%) MarkLogic
2 2 (8.70%) MySQL
3 1 (4.35%) Big Data
3 1 (4.35%) Hadoop
3 1 (4.35%) Pentaho
Development Applications
1 11 (47.83%) Git (software)
2 6 (26.09%) JUnit
3 5 (21.74%) Subversion
4 4 (17.39%) Jenkins
5 3 (13.04%) JIRA
6 2 (8.70%) Babel
6 2 (8.70%) Jasmine
6 2 (8.70%) Mercurial
6 2 (8.70%) Mocha
7 1 (4.35%) Cucumber
7 1 (4.35%) PhantomJS
7 1 (4.35%) webpack
General
1 11 (47.83%) Games
2 3 (13.04%) Finance
Job Titles
1 9 (39.13%) Developer
1 9 (39.13%) Software Engineer
2 4 (17.39%) JavaScript Developer
2 4 (17.39%) Software Developer
3 3 (13.04%) Android 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%) Agile 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%) Mobile 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%) HTML Developer
5 1 (4.35%) Java Software Engineer
5 1 (4.35%) PHP Developer
Libraries, Frameworks & Software Standards
1 11 (47.83%) HTML
2 10 (43.48%) HTML5
2 10 (43.48%) REST
2 10 (43.48%) Web Services
3 9 (39.13%) Node.js
4 7 (30.43%) JSON
4 7 (30.43%) React
5 6 (26.09%) Apache Cordova
5 6 (26.09%) RESTful
6 5 (21.74%) XML
7 4 (17.39%) AngularJS
8 3 (13.04%) XSLT
9 2 (8.70%) ActiveMQ
9 2 (8.70%) HTML5 Canvas
9 2 (8.70%) JMS
9 2 (8.70%) Pixi.js
9 2 (8.70%) WebGL
10 1 (4.35%) GStreamer
10 1 (4.35%) React Native
10 1 (4.35%) Sass
Miscellaneous
1 8 (34.78%) Mobile App
2 4 (17.39%) User Experience
3 3 (13.04%) IPTV
4 2 (8.70%) Interactive TV
4 2 (8.70%) MHEG
5 1 (4.35%) Computer Science
5 1 (4.35%) New Media
5 1 (4.35%) Streaming Video
Operating Systems
1 11 (47.83%) Android
2 9 (39.13%) Apple iOS
3 7 (30.43%) Linux
4 2 (8.70%) Unix
Processes & Methodologies
1 21 (91.30%) Agile Software Development
2 17 (73.91%) BDD
2 17 (73.91%) Software Engineering
3 14 (60.87%) Scrum
4 7 (30.43%) High Availability
5 5 (21.74%) Android Development
5 5 (21.74%) OOP
5 5 (21.74%) Performance Tuning
6 4 (17.39%) Kanban
6 4 (17.39%) Software Testing
7 3 (13.04%) Continuous Integration
7 3 (13.04%) iOS Development
7 3 (13.04%) Project Management
8 2 (8.70%) Mobile Application Development
8 2 (8.70%) Service Delivery
9 1 (4.35%) Business Analysis
9 1 (4.35%) Open Source
9 1 (4.35%) Supplier Management
9 1 (4.35%) Use Case
9 1 (4.35%) Web Development
Programming Languages
1 15 (65.22%) JavaScript
2 9 (39.13%) Java
3 6 (26.09%) SQL
4 4 (17.39%) C++
4 4 (17.39%) Scala
5 3 (13.04%) ES6
5 3 (13.04%) Objective-C
5 3 (13.04%) PHP
5 3 (13.04%) Ruby
6 2 (8.70%) ActionScript
6 2 (8.70%) C#
7 1 (4.35%) Apple Swift
7 1 (4.35%) Clojure
7 1 (4.35%) ECMAScript
Qualifications
1 1 (4.35%) Degree
Quality Assurance & Compliance
1 2 (8.70%) QA
Vendors
1 3 (13.04%) Twitter
2 2 (8.70%) OpenTV
2 2 (8.70%) Oracle
3 1 (4.35%) Cloudera