Period
to 22 November 2017

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 22 November 2017 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
22 Nov 2017
Same period 2016 Same period 2015
Rank 50 19 40
Rank change year-on-year -31 +21 -2
Contract jobs citing TDD 104 145 109
As % of all contract IT jobs advertised in Edinburgh 3.52% 6.81% 3.44%
As % of the Processes & Methodologies category 4.17% 8.11% 4.14%
Number of daily rates quoted 74 92 72
Edinburgh median daily rate £400 £400 £375
Median daily rate % change year-on-year - +6.67% -
10th Percentile £272 £320 £290
90th Percentile £588 £538 £449
Scotland median daily rate £400 £388 £375
% change year-on-year +3.23% +3.33% -3.23%
Number of hourly rates quoted 0 0 0
Edinburgh median hourly rate - - -
Scotland median hourly rate £41.50 - £34.80

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 2492 1787 2630
As % of all contract IT jobs advertised in Edinburgh 84.33% 83.90% 83.10%
Number of daily rates quoted 1457 1024 1353
Edinburgh median daily rate £400 £388 £388
Median daily rate % change year-on-year +3.23% - -3.13%
10th Percentile £263 £260 £263
90th Percentile £550 £525 £525
Scotland median daily rate £390 £356 £375
% change year-on-year +9.55% -5.07% -
Number of hourly rates quoted 19 26 20
Edinburgh median hourly rate £21.00 £19.75 £17.76
Median hourly rate % change year-on-year +6.33% +11.20% +12.62%
10th Percentile £11.23 £11.25 £11.87
90th Percentile £36.68 £46.69 £40.38
Scotland median hourly rate £24.50 £21.00 £25.00
% change year-on-year +16.67% -16.00% +11.11%

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 22 November 2017.

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 22 November 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 Edinburgh region with a requirement for TDD.

1 66 (63.46%) Agile Software Development
2 57 (54.81%) Java
2 57 (54.81%) Continuous Integration
3 36 (34.62%) Spring
4 34 (32.69%) Scrum
5 33 (31.73%) BDD
6 28 (26.92%) JavaScript
7 27 (25.96%) Finance
7 27 (25.96%) Git (software)
8 25 (24.04%) Linux
8 25 (24.04%) DevOps
9 23 (22.12%) XML
9 23 (22.12%) Software Engineering
10 22 (21.15%) SOA
11 21 (20.19%) HTML
12 20 (19.23%) Hibernate
13 19 (18.27%) SQL
13 19 (18.27%) JBoss
13 19 (18.27%) Kanban
13 19 (18.27%) Java EE
13 19 (18.27%) Jenkins
14 18 (17.31%) Ansible
14 18 (17.31%) Python
14 18 (17.31%) XSLT
14 18 (17.31%) CSS
15 17 (16.35%) Maven
15 17 (16.35%) Business Process Modelling
16 16 (15.38%) SDLC
17 15 (14.42%) Continuous Delivery
17 15 (14.42%) 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 19 (18.27%) JBoss
2 6 (5.77%) WebSphere
2 6 (5.77%) WebSphere Portal
3 2 (1.92%) BizTalk Server
3 2 (1.92%) Oracle SOA Suite
3 2 (1.92%) WebSphere Application Server
4 1 (0.96%) Cloud Foundry
4 1 (0.96%) CMS
4 1 (0.96%) ColdFusion
4 1 (0.96%) GeoServer
4 1 (0.96%) Oracle Workflow
Business Applications
1 2 (1.92%) Oracle BPM
Cloud Services
1 12 (11.54%) Microsoft Azure
2 6 (5.77%) Amazon AWS
3 4 (3.85%) IaaS
3 4 (3.85%) PaaS
4 3 (2.88%) GitHub
4 3 (2.88%) Google Analytics
4 3 (2.88%) Sauce Labs
5 2 (1.92%) Azure Active Directory
5 2 (1.92%) BlazeMeter
6 1 (0.96%) Amazon S3
6 1 (0.96%) BrowserStack
Communications & Networking
1 9 (8.65%) SAN
2 2 (1.92%) AMQP
2 2 (1.92%) CTI
3 1 (0.96%) DHCP
3 1 (0.96%) DNS
3 1 (0.96%) Internet
3 1 (0.96%) SMS
Database & Business Intelligence
1 11 (10.58%) NoSQL
2 10 (9.62%) PostgreSQL
3 8 (7.69%) SQL Server
4 6 (5.77%) MongoDB
5 5 (4.81%) GIS
5 5 (4.81%) MySQL
6 3 (2.88%) SQL Server 2012
7 2 (1.92%) Redis
8 1 (0.96%) Amazon DynamoDB
8 1 (0.96%) Big Data
8 1 (0.96%) Data Warehouse
8 1 (0.96%) Geospatial Data
8 1 (0.96%) Oracle Database
8 1 (0.96%) QGIS
8 1 (0.96%) Spatial Data
8 1 (0.96%) SQL Server 2005
8 1 (0.96%) SQL Server 2008
Development Applications
1 27 (25.96%) Git (software)
2 19 (18.27%) Jenkins
3 17 (16.35%) Maven
4 15 (14.42%) Eclipse
5 7 (6.73%) Cucumber
5 7 (6.73%) Selenium
5 7 (6.73%) Subversion
6 5 (4.81%) Mockito
7 4 (3.85%) Bower
7 4 (3.85%) Gradle
7 4 (3.85%) JIRA
7 4 (3.85%) Team Foundation Server
8 3 (2.88%) Artifactory
8 3 (2.88%) GitLab
8 3 (2.88%) JProfiler
8 3 (2.88%) Octopus Deploy
8 3 (2.88%) TeamCity
9 2 (1.92%) jMock
9 2 (1.92%) JUnit
9 2 (1.92%) Visual Studio Team System
General
1 27 (25.96%) Finance
2 9 (8.65%) Banking
3 1 (0.96%) Legal
3 1 (0.96%) Manufacturing
3 1 (0.96%) Retail Banking
Job Titles
1 61 (58.65%) Developer
2 42 (40.38%) Java Developer
3 21 (20.19%) Senior Developer
4 14 (13.46%) Senior Java Developer
5 11 (10.58%) Software Engineer
6 10 (9.62%) Infrastructure Engineer
7 6 (5.77%) .NET Developer
7 6 (5.77%) Scrum Master
8 5 (4.81%) JavaScript Developer
9 4 (3.85%) Development Engineer
9 4 (3.85%) Java Engineer
9 4 (3.85%) Senior Development Engineer
9 4 (3.85%) Senior JavaScript Developer
9 4 (3.85%) Senior Software Development Engineer
9 4 (3.85%) Senior Software Engineer
9 4 (3.85%) Software Development Engineer
9 4 (3.85%) UI Engineer
10 3 (2.88%) Agile Coach
10 3 (2.88%) DevOps Engineer
10 3 (2.88%) Digital Developer
Libraries, Frameworks & Software Standards
1 36 (34.62%) Spring
2 23 (22.12%) XML
3 21 (20.19%) HTML
4 20 (19.23%) Hibernate
5 19 (18.27%) Java EE
6 18 (17.31%) CSS
6 18 (17.31%) XSLT
7 15 (14.42%) AngularJS
7 15 (14.42%) Drools
7 15 (14.42%) jBPM
8 14 (13.46%) Node.js
9 12 (11.54%) RESTful
9 12 (11.54%) Web Services
10 10 (9.62%) .NET
10 10 (9.62%) React
11 7 (6.73%) jQuery
11 7 (6.73%) JSON
12 6 (5.77%) ASP.NET
12 6 (5.77%) ASP.NET Web API
12 6 (5.77%) REST
Miscellaneous
1 10 (9.62%) Virtual Team
2 6 (5.77%) User Experience
3 4 (3.85%) N-Tier
4 3 (2.88%) Analytical Skills
4 3 (2.88%) Greenfield Project
5 2 (1.92%) Algorithms
5 2 (1.92%) Blog
5 2 (1.92%) Enterprise Software
5 2 (1.92%) Mobile App
6 1 (0.96%) Derivative
6 1 (0.96%) iPad
6 1 (0.96%) Management Information System
6 1 (0.96%) Mobile Banking
6 1 (0.96%) PMI
6 1 (0.96%) Swaptions
6 1 (0.96%) Wiki
Operating Systems
1 25 (24.04%) Linux
2 12 (11.54%) Red Hat Enterprise Linux
2 12 (11.54%) Windows
3 11 (10.58%) Windows Server
3 11 (10.58%) Windows Server 2008
4 10 (9.62%) Windows Server 2012
5 1 (0.96%) Apple iOS
5 1 (0.96%) Unix
Processes & Methodologies
1 66 (63.46%) Agile Software Development
2 57 (54.81%) Continuous Integration
3 34 (32.69%) Scrum
4 33 (31.73%) BDD
5 25 (24.04%) DevOps
6 23 (22.12%) Software Engineering
7 22 (21.15%) SOA
8 19 (18.27%) Kanban
9 17 (16.35%) Business Process Modelling
10 16 (15.38%) SDLC
11 15 (14.42%) Continuous Delivery
11 15 (14.42%) Test Automation
11 15 (14.42%) Unit Testing
12 14 (13.46%) BPMN
12 14 (13.46%) Coaching
12 14 (13.46%) Performance Monitoring
12 14 (13.46%) Workflow
13 13 (12.50%) Configuration Management
13 13 (12.50%) Open Source
14 12 (11.54%) Application Performance Monitoring
Programming Languages
1 57 (54.81%) Java
2 28 (26.92%) JavaScript
3 19 (18.27%) SQL
4 18 (17.31%) Python
5 12 (11.54%) Ruby
6 11 (10.58%) PowerShell
7 10 (9.62%) C#
8 4 (3.85%) ES6
8 4 (3.85%) Perl
8 4 (3.85%) PL/SQL
9 3 (2.88%) CoffeeScript
9 3 (2.88%) TypeScript
10 2 (1.92%) Bash Shell
10 2 (1.92%) PHP
10 2 (1.92%) VB.NET
10 2 (1.92%) XPath
11 1 (0.96%) C++
11 1 (0.96%) Go
11 1 (0.96%) Scala
11 1 (0.96%) T-SQL
Qualifications
1 4 (3.85%) Degree
1 4 (3.85%) MCSD
1 4 (3.85%) Microsoft Certification
2 3 (2.88%) Security Cleared
3 1 (0.96%) PMI Certification
3 1 (0.96%) Postgraduate
Quality Assurance & Compliance
1 7 (6.73%) QA
2 1 (0.96%) Disclosure Scotland
System Software
1 14 (13.46%) Docker
2 13 (12.50%) Active Directory
3 11 (10.58%) vSphere
4 3 (2.88%) VMware Infrastructure
Systems Management
1 18 (17.31%) Ansible
2 15 (14.42%) Opscode Chef
3 14 (13.46%) Puppet
4 3 (2.88%) Packer
5 2 (1.92%) CA Service Virtualization
6 1 (0.96%) Business Desktop Deployment
6 1 (0.96%) Kubernetes
Vendors
1 14 (13.46%) VMware
2 9 (8.65%) Microsoft
3 7 (6.73%) Oracle
4 5 (4.81%) Pega
5 3 (2.88%) Google
6 2 (1.92%) Avaya
6 2 (1.92%) CA
6 2 (1.92%) Perfecto Mobile
7 1 (0.96%) Red Hat