Period
to 21 May 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 21 May 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
21 May 2018
Same period 2017 Same period 2016
Rank 32 32 50
Rank change year-on-year 0 +18 -2
Contract jobs citing TDD 142 101 96
As % of all contract IT jobs advertised in Edinburgh 4.96% 5.46% 3.33%
As % of the Processes & Methodologies category 5.69% 6.38% 3.90%
Number of daily rates quoted 97 80 50
Edinburgh median daily rate £413 £425 £375
Median daily rate % change year-on-year -2.94% +13.33% -6.25%
10th Percentile £331 £338 £312
90th Percentile £560 £620 £553
Scotland median daily rate £400 £417 £375
% change year-on-year -4.08% +11.20% -3.23%
Number of hourly rates quoted 0 0 0
Edinburgh median hourly rate - - -
Scotland median hourly rate - - -

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 2,494 1,584 2,462
As % of all contract IT jobs advertised in Edinburgh 87.11% 85.67% 85.52%
Number of daily rates quoted 1,492 991 1,350
Edinburgh median daily rate £410 £400 £400
Median daily rate % change year-on-year +2.50% - +6.67%
10th Percentile £296 £275 £270
90th Percentile £575 £550 £575
Scotland median daily rate £400 £378 £375
% change year-on-year +5.96% +0.67% -
Number of hourly rates quoted 22 20 11
Edinburgh median hourly rate £35.00 £15.56 £20.50
Median hourly rate % change year-on-year +125.01% -24.12% -26.79%
10th Percentile £15.11 £12.95 £14.13
90th Percentile £105.45 £43.77 £52.50
Scotland median hourly rate £20.00 £18.50 £36.00
% change year-on-year +8.11% -48.61% +32.11%

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 21 May 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 21 May 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 87 (61.27%) Agile Software Development
2 75 (52.82%) Java
3 68 (47.89%) BDD
4 65 (45.77%) Continuous Integration
5 54 (38.03%) Spring
6 52 (36.62%) Scrum
7 44 (30.99%) Git (software)
8 42 (29.58%) SOA
9 39 (27.46%) Hibernate
10 36 (25.35%) Finance
10 36 (25.35%) Maven
10 36 (25.35%) JavaScript
10 36 (25.35%) JBoss
10 36 (25.35%) SDLC
11 34 (23.94%) Python
12 31 (21.83%) Drools
12 31 (21.83%) Test Automation
13 26 (18.31%) HTML
13 26 (18.31%) Ruby
13 26 (18.31%) Docker
14 25 (17.61%) CSS
14 25 (17.61%) Kanban
15 24 (16.90%) Amazon AWS
15 24 (16.90%) Jenkins
16 22 (15.49%) AngularJS
16 22 (15.49%) React
17 21 (14.79%) Node.js
17 21 (14.79%) Selenium
17 21 (14.79%) XML
18 20 (14.08%) Web Services

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 36 (25.35%) JBoss
2 11 (7.75%) Cloud Foundry
3 8 (5.63%) GeoServer
4 4 (2.82%) Confluence
5 2 (1.41%) WebSphere
6 1 (0.70%) Apache
6 1 (0.70%) WebSphere Portal
Applications
1 1 (0.70%) Microsoft Excel
Cloud Services
1 24 (16.90%) Amazon AWS
2 14 (9.86%) GitHub
3 13 (9.15%) Heroku
3 13 (9.15%) npm
4 11 (7.75%) Google Cloud Platform
5 9 (6.34%) Bluemix
5 9 (6.34%) IBM Cloud
6 8 (5.63%) Microsoft Azure
7 6 (4.23%) OpenShift
8 3 (2.11%) PaaS
9 2 (1.41%) IaaS
10 1 (0.70%) Yarn
Communications & Networking
1 5 (3.52%) SAN
2 3 (2.11%) WEP
3 1 (0.70%) DHCP
3 1 (0.70%) DNS
Database & Business Intelligence
1 11 (7.75%) GIS
2 10 (7.04%) PostgreSQL
3 7 (4.93%) QGIS
4 5 (3.52%) NoSQL
5 3 (2.11%) Big Data
5 3 (2.11%) MongoDB
5 3 (2.11%) Spatial Data
5 3 (2.11%) SQL Server
6 2 (1.41%) Data Warehouse
6 2 (1.41%) Geospatial Data
6 2 (1.41%) Relational Database
7 1 (0.70%) Amazon Redshift
7 1 (0.70%) MySQL
Development Applications
1 44 (30.99%) Git (software)
2 36 (25.35%) Maven
3 24 (16.90%) Jenkins
4 21 (14.79%) Selenium
5 17 (11.97%) Ant
6 12 (8.45%) Cucumber
6 12 (8.45%) GitLab
7 11 (7.75%) Gerrit
7 11 (7.75%) SonarQube
7 11 (7.75%) Sonatype Nexus
8 10 (7.04%) Subversion
9 9 (6.34%) Eclipse
10 6 (4.23%) JIRA
11 5 (3.52%) Mockito
12 3 (2.11%) JBehave
12 3 (2.11%) JUnit
12 3 (2.11%) TeamCity
13 2 (1.41%) Atlassian Bamboo
13 2 (1.41%) JMeter
13 2 (1.41%) jMock
General
1 36 (25.35%) Finance
2 15 (10.56%) Banking
3 4 (2.82%) Publishing
4 3 (2.11%) Games
5 2 (1.41%) Retail
6 1 (0.70%) Corporate Banking
6 1 (0.70%) Digital Economy
6 1 (0.70%) Legal
Job Titles
1 76 (53.52%) Developer
2 54 (38.03%) Java Developer
3 30 (21.13%) Senior Developer
4 25 (17.61%) Senior Java Developer
5 13 (9.15%) DevOps Engineer
6 11 (7.75%) Kubernetes Engineer
6 11 (7.75%) Senior DevOps
6 11 (7.75%) Senior DevOps Engineer
7 10 (7.04%) Lead Developer
7 10 (7.04%) Lead Java Developer
8 9 (6.34%) Scrum Master
8 9 (6.34%) Test Engineer
9 8 (5.63%) Test Automation Engineer
10 7 (4.93%) JavaScript Developer
11 6 (4.23%) Cloud Engineer
11 6 (4.23%) GIS Developer
11 6 (4.23%) Infrastructure Engineer
12 5 (3.52%) Java Engineer
12 5 (3.52%) Performance Engineer
13 4 (2.82%) XML Developer
Libraries, Frameworks & Software Standards
1 54 (38.03%) Spring
2 39 (27.46%) Hibernate
3 31 (21.83%) Drools
4 26 (18.31%) HTML
5 25 (17.61%) CSS
6 22 (15.49%) AngularJS
6 22 (15.49%) React
7 21 (14.79%) Node.js
7 21 (14.79%) XML
8 20 (14.08%) Web Services
9 19 (13.38%) XSLT
10 16 (11.27%) Java EE
11 13 (9.15%) PostGIS
12 12 (8.45%) jBPM
13 10 (7.04%) J2EE
13 10 (7.04%) RESTful
13 10 (7.04%) SOAP
14 9 (6.34%) jQuery
14 9 (6.34%) OpenLayers
15 8 (5.63%) Spring MVC
Miscellaneous
1 12 (8.45%) Virtual Team
2 11 (7.75%) iPad
3 7 (4.93%) Self-Motivation
3 7 (4.93%) User Experience
4 6 (4.23%) Public Cloud
5 3 (2.11%) Greenfield Project
5 3 (2.11%) Mobile Banking
6 2 (1.41%) Computer Science
6 2 (1.41%) Data Structures
6 2 (1.41%) DataPower
6 2 (1.41%) Mobile App
6 2 (1.41%) Tandem
7 1 (0.70%) Algorithms
7 1 (0.70%) Linux Command Line
7 1 (0.70%) Photography
7 1 (0.70%) VxBlock/Vblock
Operating Systems
1 20 (14.08%) Linux
2 8 (5.63%) Windows
3 7 (4.93%) Windows Server
3 7 (4.93%) Windows Server 2008
4 6 (4.23%) Windows Server 2012
5 5 (3.52%) Red Hat Enterprise Linux
6 3 (2.11%) Unix
7 2 (1.41%) Android
7 2 (1.41%) Apple iOS
Processes & Methodologies
1 87 (61.27%) Agile Software Development
2 68 (47.89%) BDD
3 65 (45.77%) Continuous Integration
4 52 (36.62%) Scrum
5 42 (29.58%) SOA
6 36 (25.35%) SDLC
7 31 (21.83%) Test Automation
8 25 (17.61%) Kanban
9 19 (13.38%) DevOps
10 15 (10.56%) Business Process Modelling
10 15 (10.56%) Workflow
11 14 (9.86%) Configuration Management
11 14 (9.86%) Front End Development
11 14 (9.86%) Mentoring
11 14 (9.86%) Web Development
12 13 (9.15%) BPMN
12 13 (9.15%) Coaching
13 12 (8.45%) E-Commerce
14 11 (7.75%) Software Engineering
14 11 (7.75%) Software Testing
Programming Languages
1 75 (52.82%) Java
2 36 (25.35%) JavaScript
3 34 (23.94%) Python
4 26 (18.31%) Ruby
5 19 (13.38%) SQL
6 15 (10.56%) Bash Shell
7 13 (9.15%) Java 8
8 12 (8.45%) Groovy
9 8 (5.63%) PowerShell
10 6 (4.23%) C#
10 6 (4.23%) Perl
11 4 (2.82%) ES6
12 1 (0.70%) Apple Swift
12 1 (0.70%) C++
12 1 (0.70%) Objective-C
12 1 (0.70%) PL/SQL
12 1 (0.70%) Scala
12 1 (0.70%) T-SQL
12 1 (0.70%) VBA
Qualifications
1 5 (3.52%) Sun Certification
2 1 (0.70%) Computer Science Degree
2 1 (0.70%) Degree
2 1 (0.70%) Security Cleared
Quality Assurance & Compliance
1 14 (9.86%) QA
2 11 (7.75%) GCP
3 1 (0.70%) BS7666
3 1 (0.70%) Disclosure Scotland
System Software
1 26 (18.31%) Docker
2 8 (5.63%) vSphere
3 7 (4.93%) Active Directory
4 5 (3.52%) GeoWebCache
5 1 (0.70%) Virtual Machines
5 1 (0.70%) VMware Infrastructure
Systems Management
1 17 (11.97%) Ansible
2 13 (9.15%) Kubernetes
3 11 (7.75%) Consul
3 11 (7.75%) Mesos
4 9 (6.34%) Opscode Chef
4 9 (6.34%) Puppet
5 5 (3.52%) Single Sign-On
Vendors
1 14 (9.86%) IBM
2 8 (5.63%) VMware
3 4 (2.82%) Microsoft
4 2 (1.41%) Atlassian
4 2 (1.41%) CA Agile Central
4 2 (1.41%) Oracle
4 2 (1.41%) Xamarin
5 1 (0.70%) Pega
5 1 (0.70%) Salesforce.com