The table below looks at the statistics for TDD skills in IT contracts advertised for the Edinburgh region. Included is a guide to the contractor rates offered in IT contracts that have cited TDD over the 3 months to 31 August 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
31 Aug 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank 29 39 36
Rank change year-on-year
+10 -3
Contract jobs citing TDD 63 58 46
As % of all contract IT jobs located in Edinburgh 5.42% 3.45% 3.91%
As % of the Processes & Methodologies category 6.59% 4.25% 4.85%
Number of daily rates quoted 40 38 23
Median daily rate £350 £388 £388
Median daily rate % change year-on-year
-9.67% -
90% offered a daily rate of more than £340 £335 £330
10% offered a daily rate of more than £425 £483 £460
UK excluding London median daily rate £425 £391 £375
% change year-on-year
+8.62% +4.33%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £40.00 £42.50 £71.00
% change year-on-year
-5.88% -40.14%
TDD
Scotland

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

Processes & Methodologies Category
Edinburgh
Contract IT job ads with a match in the
Processes & Methodologies category
956 1365 948
As % of all contract IT jobs located in Edinburgh 82.27% 81.20% 80.61%
Number of daily rates quoted 554 732 520
Median daily rate £376 £396 £400
Median daily rate % change year-on-year
-4.98% -1.00%
90% offered a daily rate of more than £295 £285 £270
10% offered a daily rate of more than £475 £500 £525
UK excluding London median daily rate £400 £400 £375
% change year-on-year
- +6.66%
Number of hourly rates quoted 10 9 8
Median hourly rate £42.50 £15.75 £15.77
Median hourly rate % change year-on-year
+169.84% -0.12%
90% offered a hourly rate of more than £11.76 £12.00 £12.00
10% offered a hourly rate of more than £47.25 £40.38 £22.50
UK excluding London median hourly rate £31.00 £32.50 £25.75
% change year-on-year
-4.61% +26.21%

TDD
Jobs Demand Trend in Edinburgh

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

TDD Jobs Demand Trend in Edinburgh

TDD
Daily Rate Trend in Edinburgh

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

TDD Daily Rate Trend in Edinburgh

TDD
Daily Rate Histogram in Edinburgh

This chart provides a histogram of daily rates quoted in contract IT jobs citing TDD across the Edinburgh region over the 3 months to 31 August 2016.

TDD Daily Rate Histogram in Edinburgh

TDD
Hourly Rate Trend in Edinburgh

This chart provides the 3-month moving average for hourly rates quoted in IT contractor jobs citing TDD across the Edinburgh region.

TDD Hourly Rate Trend in Edinburgh

TDD
Top 30 Related IT Skills in Edinburgh

For the 6 months to 31 August 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 Edinburgh region with a requirement for TDD.

1 103 (93.64%) Agile Software Development
2 98 (89.09%) Scrum
3 82 (74.55%) Java
4 68 (61.82%) Maven
5 60 (54.55%) Open Source
5 60 (54.55%) BDD
6 57 (51.82%) JavaScript
7 56 (50.91%) Continuous Integration
8 48 (43.64%) Web Services
9 47 (42.73%) Python
9 47 (42.73%) AngularJS
10 44 (40.00%) GeoServer
11 42 (38.18%) PostGIS
12 41 (37.27%) OpenLayers
12 41 (37.27%) HTML
13 40 (36.36%) Gradle
14 39 (35.45%) Subversion
15 38 (34.55%) JIRA
16 37 (33.64%) Cucumber
16 37 (33.64%) JBehave
16 37 (33.64%) ESRI
17 36 (32.73%) Jenkins
18 35 (31.82%) Leaflet
19 34 (30.91%) Hibernate
20 33 (30.00%) SOA
21 31 (28.18%) GIS
21 31 (28.18%) Kanban
21 31 (28.18%) Java EE
22 27 (24.55%) Selenium
22 27 (24.55%) XML

TDD
Top Related IT Skills in Edinburgh 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 44 (40.00%) GeoServer
2 26 (23.64%) JBoss
3 5 (4.55%) ArcGIS
3 5 (4.55%) CMS
4 3 (2.73%) Drupal
Business Applications
1 11 (10.00%) Oracle BPM
2 1 (0.91%) Dynamics CRM
Communications & Networking
1 3 (2.73%) Internet
Database & Business Intelligence
1 31 (28.18%) GIS
2 24 (21.82%) NoSQL
3 11 (10.00%) Oracle Database
3 11 (10.00%) Spatial Data
4 10 (9.09%) MongoDB
5 7 (6.36%) QGIS
6 2 (1.82%) SQL Server
Development Applications
1 68 (61.82%) Maven
2 40 (36.36%) Gradle
3 39 (35.45%) Subversion
4 38 (34.55%) JIRA
5 37 (33.64%) Cucumber
5 37 (33.64%) JBehave
6 36 (32.73%) Jenkins
7 27 (24.55%) Selenium
8 26 (23.64%) Eclipse
9 19 (17.27%) Hudson
10 18 (16.36%) Git (software)
11 12 (10.91%) Bower
12 8 (7.27%) Artifactory
13 5 (4.55%) DBeaver
14 3 (2.73%) JProfiler
15 2 (1.82%) GitLab
16 1 (0.91%) JUnit
16 1 (0.91%) Mercurial
16 1 (0.91%) Team Foundation Server
General
1 2 (1.82%) Finance
Job Titles
1 87 (79.09%) Developer
2 40 (36.36%) Java Developer
3 27 (24.55%) GIS Developer
4 15 (13.64%) Scrum Master
4 15 (13.64%) Senior Developer
5 13 (11.82%) Senior Java Developer
6 10 (9.09%) Open Source Developer
6 10 (9.09%) Web Developer
7 8 (7.27%) GIS Web Developer
8 6 (5.45%) Integration Developer
9 5 (4.55%) JavaScript Developer
10 4 (3.64%) Front End Developer (Client-Side Developer)
11 3 (2.73%) Agile Developer
11 3 (2.73%) Architect
11 3 (2.73%) HTML Developer
11 3 (2.73%) Technical Architect
12 2 (1.82%) .NET Developer
12 2 (1.82%) Applications Consultant
12 2 (1.82%) Consultant
12 2 (1.82%) Programmer
Libraries, Frameworks & Software Standards
1 48 (43.64%) Web Services
2 47 (42.73%) AngularJS
3 42 (38.18%) PostGIS
4 41 (37.27%) HTML
4 41 (37.27%) OpenLayers
5 35 (31.82%) Leaflet
6 34 (30.91%) Hibernate
7 31 (28.18%) Java EE
8 27 (24.55%) SOAP
8 27 (24.55%) XML
9 26 (23.64%) Drools
9 26 (23.64%) jBPM
9 26 (23.64%) JSF
9 26 (23.64%) RichFaces
9 26 (23.64%) XSLT
10 25 (22.73%) JPA
11 23 (20.91%) REST
12 20 (18.18%) jQuery
13 18 (16.36%) CSS
14 16 (14.55%) Sass
Miscellaneous
1 12 (10.91%) User Experience
2 3 (2.73%) Analytical Skills
3 2 (1.82%) Inversion of Control
3 2 (1.82%) Photography
4 1 (0.91%) Visualisation
Operating Systems
1 10 (9.09%) Linux
2 1 (0.91%) Red Hat Enterprise Linux
2 1 (0.91%) Unix
Processes & Methodologies
1 103 (93.64%) Agile Software Development
2 98 (89.09%) Scrum
3 60 (54.55%) BDD
3 60 (54.55%) Open Source
4 56 (50.91%) Continuous Integration
5 33 (30.00%) SOA
6 31 (28.18%) Kanban
7 27 (24.55%) SDLC
8 26 (23.64%) Coaching
9 24 (21.82%) Mentoring
10 22 (20.00%) Open Source Development
11 13 (11.82%) Front End Development
11 13 (11.82%) Microservices
12 10 (9.09%) Web Development
13 9 (8.18%) Project Management
14 8 (7.27%) Continuous Deployment
14 8 (7.27%) PRINCE2
15 7 (6.36%) Agile Project Management
15 7 (6.36%) Unit Testing
15 7 (6.36%) Waterfall
Programming Languages
1 82 (74.55%) Java
2 57 (51.82%) JavaScript
3 47 (42.73%) Python
4 22 (20.00%) SQL
5 12 (10.91%) CoffeeScript
5 12 (10.91%) PL/SQL
6 8 (7.27%) Perl
7 3 (2.73%) PHP
8 2 (1.82%) C#
9 1 (0.91%) T-SQL
Qualifications
1 13 (11.82%) Degree
2 2 (1.82%) Security Cleared
3 1 (0.91%) BPSS Clearance
3 1 (0.91%) SC Cleared
Quality Assurance & Compliance
1 13 (11.82%) QA
2 9 (8.18%) WCAG
3 8 (7.27%) Disclosure Scotland
System Software
1 5 (4.55%) GeoWebCache
2 4 (3.64%) Docker
3 1 (0.91%) VMware Infrastructure
Systems Management
1 10 (9.09%) Ansible
2 2 (1.82%) Puppet
Vendors
1 37 (33.64%) ESRI
2 11 (10.00%) Oracle
2 11 (10.00%) Red Hat
3 10 (9.09%) VMware
4 1 (0.91%) Twitter