Period
to 24 February 2018

The following table provides summary statistics for contract job vacancies advertised in Edinburgh with a requirement for TDD skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited TDD over the 6 months to 24 February 2018 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Test-Driven Development (TDD)
Scotland > Edinburgh
6 months to
24 Feb 2018
Same period 2017 Same period 2016
Rank 31 19 42
Rank change year-on-year -12 +23 -8
Contract jobs citing TDD 141 130 113
As % of all contract IT jobs advertised in Edinburgh 4.84% 7.38% 3.73%
As % of the Processes & Methodologies category 5.58% 8.73% 4.44%
Number of daily rates quoted 107 95 67
Edinburgh median daily rate £408 £425 £370
Median daily rate % change year-on-year -4.12% +14.86% -1.33%
10th Percentile £306 £325 £266
90th Percentile £593 £538 £475
Scotland median daily rate £400 £413 £370
% change year-on-year -3.03% +11.49% -4.52%
Number of hourly rates quoted 0 0 0
Edinburgh median hourly rate - - -
Scotland median hourly rate £41.50 - -

TDD is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Edinburgh with a requirement for process or methodology skills.

All Process and Methodology Skills
Edinburgh
Contract vacancies with a requirement for process or methodology skills 2,529 1,489 2,543
As % of all contract IT jobs advertised in Edinburgh 86.88% 84.51% 83.93%
Number of daily rates quoted 1,501 921 1,297
Edinburgh median daily rate £400 £400 £400
10th Percentile £288 £245 £263
90th Percentile £575 £538 £550
Scotland median daily rate £400 £375 £375
% change year-on-year +6.67% - -
Number of hourly rates quoted 21 22 17
Edinburgh median hourly rate £21.00 £19.25 £20.00
Median hourly rate % change year-on-year +9.09% -3.75% -11.11%
10th Percentile £13.00 £14.25 £12.21
90th Percentile £111.75 £44.80 £42.25
Scotland median hourly rate £21.50 £19.50 £32.50
% change year-on-year +10.26% -40.00% +43.84%

TDD
Job Vacancy Trend in Edinburgh

Job postings citing TDD as a percentage of all IT jobs advertised in Edinburgh.

Job vacancy trend for TDD in Edinburgh

TDD
Contractor Daily Rate Trend in Edinburgh

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

Contractor daily rate trend for TDD in Edinburgh

TDD
Contractor Daily Rate Histogram in Edinburgh

The daily rate distribution of IT jobs citing TDD in Edinburgh over the 6 months to 24 February 2018.

Contractor daily rate histogram for TDD in Edinburgh

TDD
Contractor Hourly Rate Trend in Edinburgh

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

Contractor hourly rate trend for TDD in Edinburgh

For the 6 months to 24 February 2018, IT contractor jobs citing TDD also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the Edinburgh region with a requirement for TDD.

1 90 (63.83%) Continuous Integration
2 84 (59.57%) Java
3 72 (51.06%) Agile Software Development
4 61 (43.26%) Spring
5 47 (33.33%) SOA
6 43 (30.50%) Hibernate
7 42 (29.79%) JBoss
8 41 (29.08%) Finance
8 41 (29.08%) BDD
9 39 (27.66%) Scrum
10 38 (26.95%) Git (software)
11 36 (25.53%) JavaScript
12 34 (24.11%) Drools
12 34 (24.11%) SDLC
13 33 (23.40%) Linux
14 31 (21.99%) XML
15 30 (21.28%) Maven
16 29 (20.57%) HTML
17 28 (19.86%) CSS
18 26 (18.44%) Configuration Management
18 26 (18.44%) Python
18 26 (18.44%) Test Automation
19 25 (17.73%) XSLT
19 25 (17.73%) Ansible
20 24 (17.02%) AngularJS
21 23 (16.31%) Ruby
21 23 (16.31%) Java EE
22 22 (15.60%) Kanban
23 21 (14.89%) Jenkins
24 20 (14.18%) Opscode Chef

TDD
Co-occurring 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 42 (29.79%) JBoss
2 7 (4.96%) GeoServer
3 2 (1.42%) BizTalk Server
3 2 (1.42%) Oracle SOA Suite
4 1 (0.71%) CMS
4 1 (0.71%) ColdFusion
4 1 (0.71%) Oracle Workflow
4 1 (0.71%) WebSphere
Applications
1 1 (0.71%) Microsoft Excel
Business Applications
1 2 (1.42%) Oracle BPM
Cloud Services
1 19 (13.48%) Microsoft Azure
2 15 (10.64%) Amazon AWS
3 6 (4.26%) IaaS
3 6 (4.26%) PaaS
4 2 (1.42%) Azure Active Directory
4 2 (1.42%) GitHub
4 2 (1.42%) Heroku
4 2 (1.42%) OpenShift
5 1 (0.71%) Amazon S3
5 1 (0.71%) Google Analytics
5 1 (0.71%) npm
Communications & Networking
1 13 (9.22%) SAN
2 2 (1.42%) AMQP
2 2 (1.42%) CTI
2 2 (1.42%) DHCP
2 2 (1.42%) DNS
2 2 (1.42%) WEP
Database & Business Intelligence
1 12 (8.51%) GIS
2 10 (7.09%) PostgreSQL
3 9 (6.38%) NoSQL
3 9 (6.38%) SQL Server
4 8 (5.67%) QGIS
5 5 (3.55%) MongoDB
6 4 (2.84%) Spatial Data
7 3 (2.13%) Data Warehouse
7 3 (2.13%) Geospatial Data
7 3 (2.13%) SQL Server 2012
8 2 (1.42%) Big Data
8 2 (1.42%) MySQL
8 2 (1.42%) Redis
8 2 (1.42%) Relational Database
9 1 (0.71%) Amazon DynamoDB
9 1 (0.71%) Oracle Database
9 1 (0.71%) SQL Server 2005
9 1 (0.71%) SQL Server 2008
Development Applications
1 38 (26.95%) Git (software)
2 30 (21.28%) Maven
3 21 (14.89%) Jenkins
4 17 (12.06%) Eclipse
5 13 (9.22%) Selenium
6 12 (8.51%) Subversion
7 6 (4.26%) Ant
7 6 (4.26%) Gradle
8 5 (3.55%) Cucumber
8 5 (3.55%) Mockito
9 4 (2.84%) Team Foundation Server
10 3 (2.13%) Artifactory
10 3 (2.13%) Bower
10 3 (2.13%) JUnit
10 3 (2.13%) Octopus Deploy
10 3 (2.13%) TeamCity
11 2 (1.42%) Gatling
11 2 (1.42%) Hudson
11 2 (1.42%) Spock
11 2 (1.42%) Visual Studio
General
1 41 (29.08%) Finance
2 6 (4.26%) Banking
3 4 (2.84%) Publishing
4 1 (0.71%) Games
4 1 (0.71%) Legal
4 1 (0.71%) Manufacturing
4 1 (0.71%) Retail Banking
Job Titles
1 84 (59.57%) Developer
2 65 (46.10%) Java Developer
3 28 (19.86%) Senior Developer
4 21 (14.89%) Senior Java Developer
5 15 (10.64%) Infrastructure Engineer
6 12 (8.51%) Lead Developer
7 10 (7.09%) Lead Java Developer
8 6 (4.26%) Cloud Engineer
8 6 (4.26%) JavaScript Developer
8 6 (4.26%) Scrum Master
9 5 (3.55%) .NET Developer
9 5 (3.55%) DevOps Engineer
9 5 (3.55%) GIS Developer
9 5 (3.55%) Java Engineer
9 5 (3.55%) Performance Engineer
9 5 (3.55%) Software Engineer
10 4 (2.84%) Senior Software Engineer
10 4 (2.84%) Senior Web Developer
10 4 (2.84%) Software Development Engineer
10 4 (2.84%) Web Developer
Libraries, Frameworks & Software Standards
1 61 (43.26%) Spring
2 43 (30.50%) Hibernate
3 34 (24.11%) Drools
4 31 (21.99%) XML
5 29 (20.57%) HTML
6 28 (19.86%) CSS
7 25 (17.73%) XSLT
8 24 (17.02%) AngularJS
9 23 (16.31%) Java EE
10 18 (12.77%) Web Services
11 17 (12.06%) jBPM
12 15 (10.64%) React
13 14 (9.93%) RESTful
14 11 (7.80%) jQuery
14 11 (7.80%) PostGIS
15 9 (6.38%) .NET
15 9 (6.38%) Express
15 9 (6.38%) JMS
16 8 (5.67%) HTML5
16 8 (5.67%) Spring MVC
Miscellaneous
1 20 (14.18%) Virtual Team
2 6 (4.26%) Public Cloud
3 4 (2.84%) N-Tier
3 4 (2.84%) User Experience
4 3 (2.13%) Algorithms
4 3 (2.13%) Greenfield Project
4 3 (2.13%) Mobile Banking
5 2 (1.42%) Analytical Skills
5 2 (1.42%) Blog
5 2 (1.42%) Computer Science
5 2 (1.42%) Data Structures
5 2 (1.42%) Enterprise Software
5 2 (1.42%) Mobile App
5 2 (1.42%) Tandem
6 1 (0.71%) DataPower
6 1 (0.71%) Derivative
6 1 (0.71%) iPad
6 1 (0.71%) Management Information System
6 1 (0.71%) Photography
6 1 (0.71%) Swaptions
Operating Systems
1 33 (23.40%) Linux
2 19 (13.48%) Windows
3 17 (12.06%) Windows Server
3 17 (12.06%) Windows Server 2008
4 15 (10.64%) Windows Server 2012
5 14 (9.93%) Red Hat Enterprise Linux
6 4 (2.84%) Unix
7 2 (1.42%) Apple iOS
8 1 (0.71%) Android
Processes & Methodologies
1 90 (63.83%) Continuous Integration
2 72 (51.06%) Agile Software Development
3 47 (33.33%) SOA
4 41 (29.08%) BDD
5 39 (27.66%) Scrum
6 34 (24.11%) SDLC
7 26 (18.44%) Configuration Management
7 26 (18.44%) Test Automation
8 22 (15.60%) Kanban
9 20 (14.18%) Business Process Modelling
10 19 (13.48%) Mentoring
10 19 (13.48%) Software Engineering
10 19 (13.48%) Workflow
11 18 (12.77%) Coaching
12 17 (12.06%) BPMN
12 17 (12.06%) Open Source
12 17 (12.06%) Web Development
13 16 (11.35%) Application Performance Monitoring
13 16 (11.35%) Continuous Delivery
13 16 (11.35%) MVC
Programming Languages
1 84 (59.57%) Java
2 36 (25.53%) JavaScript
3 26 (18.44%) Python
4 23 (16.31%) Ruby
5 19 (13.48%) SQL
6 18 (12.77%) PowerShell
7 10 (7.09%) C#
8 9 (6.38%) Perl
9 6 (4.26%) Bash Shell
9 6 (4.26%) ES6
10 3 (2.13%) PL/SQL
11 2 (1.42%) C++
11 2 (1.42%) CoffeeScript
11 2 (1.42%) Scala
11 2 (1.42%) TypeScript
11 2 (1.42%) XPath
12 1 (0.71%) Objective-C
12 1 (0.71%) PHP
12 1 (0.71%) T-SQL
12 1 (0.71%) VBA
Qualifications
1 5 (3.55%) Degree
2 4 (2.84%) MCSD
2 4 (2.84%) Microsoft Certification
3 3 (2.13%) Security Cleared
4 2 (1.42%) Sun Certification
5 1 (0.71%) Computer Science Degree
5 1 (0.71%) Postgraduate
Quality Assurance & Compliance
1 12 (8.51%) QA
2 1 (0.71%) BS7666
System Software
1 19 (13.48%) Active Directory
1 19 (13.48%) Docker
2 18 (12.77%) vSphere
3 5 (3.55%) GeoWebCache
4 2 (1.42%) VMware Infrastructure
5 1 (0.71%) Virtual Machines
Systems Management
1 25 (17.73%) Ansible
2 20 (14.18%) Opscode Chef
3 19 (13.48%) Puppet
4 3 (2.13%) Kubernetes
4 3 (2.13%) Packer
5 2 (1.42%) Single Sign-On
Vendors
1 19 (13.48%) VMware
2 12 (8.51%) Microsoft
3 4 (2.84%) Oracle
4 2 (1.42%) Avaya
4 2 (1.42%) IBM
4 2 (1.42%) Pega
5 1 (0.71%) Atlassian
5 1 (0.71%) CA Agile Central
5 1 (0.71%) Google
5 1 (0.71%) Red Hat
5 1 (0.71%) Xamarin