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 3 months to 23 June 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
3 months to
23 Jun 2017
Same period 2016 Same period 2015
Rank 34 41 39
Rank change year-on-year +7 -2  
Contract jobs citing TDD 51 60 50
As % of all contract IT jobs advertised in Edinburgh 4.24% 4.42% 3.44%
As % of the Processes & Methodologies category 5.06% 5.18% 4.17%
Number of daily rates quoted 42 29 40
Median daily rate £425 £375 £400
Median daily rate % change year-on-year +13.33% -6.25%  
90% offered a daily rate of more than £371 £340 £338
10% offered a daily rate of more than £618 £525 £500
UK excluding London median daily rate £420 £413 £375
% change year-on-year +1.81% +10.00%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £41.50 £40.00 £42.50
% change year-on-year +3.75% -5.88%  

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

Contract Process & Methodology Skills
Edinburgh
Contract job vacancies with a requirement for process and methodology skills 1007 1158 1200
As % of all contract IT job vacancies advertised in Edinburgh 83.71% 85.40% 82.47%
Number of daily rates quoted 593 637 640
Median daily rate £400 £400 £375
Median daily rate % change year-on-year - +6.66%  
90% offered a daily rate of more than £300 £292 £275
10% offered a daily rate of more than £600 £525 £500
UK excluding London median daily rate £415 £400 £383
% change year-on-year +3.75% +4.57%  
Number of hourly rates quoted 9 8 14
Median hourly rate £15.86 £40.00 £40.00
Median hourly rate % change year-on-year -60.35% -  
90% offered a hourly rate of more than £14.50 £12.05 £14.00
10% offered a hourly rate of more than £43.39 £42.50 £42.50
UK excluding London median hourly rate £33.50 £28.50 £30.00
% change year-on-year +17.54% -5.00%  

TDD
Job Vacancy Trend in Edinburgh

The job posting trend of jobs advertised in Edinburgh citing TDD as a proportion of all contract or permanent IT jobs with a match in the Processes & Methodologies category.

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 3 months to 23 June 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 23 June 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 65 (69.89%) Agile Software Development
2 49 (52.69%) HTML
3 48 (51.61%) Java
3 48 (51.61%) JavaScript
4 45 (48.39%) AngularJS
5 39 (41.94%) CSS
6 37 (39.78%) Scrum
7 34 (36.56%) BDD
8 33 (35.48%) Continuous Integration
9 28 (30.11%) Git (software)
10 27 (29.03%) jQuery
10 27 (29.03%) MVC
11 26 (27.96%) SQL
11 26 (27.96%) Web Services
12 23 (24.73%) Spring
13 22 (23.66%) Finance
13 22 (23.66%) Kanban
14 21 (22.58%) .NET
15 19 (20.43%) ASP.NET
16 18 (19.35%) C#
16 18 (19.35%) Team Foundation Server
17 17 (18.28%) Test Automation
17 17 (18.28%) Node.js
17 17 (18.28%) DevOps
17 17 (18.28%) XSLT
17 17 (18.28%) .NET Framework
18 16 (17.20%) Twitter Bootstrap
19 15 (16.13%) Entity Framework
20 14 (15.05%) ASP.NET Web API
20 14 (15.05%) Migration

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 13 (13.98%) EPiServer
2 7 (7.53%) WebSphere
3 6 (6.45%) JBoss
4 5 (5.38%) WebSphere Portal
5 4 (4.30%) Oracle SOA Suite
6 2 (2.15%) Cloud Foundry
6 2 (2.15%) GeoServer
6 2 (2.15%) Tomcat
6 2 (2.15%) WebSphere Application Server
7 1 (1.08%) Apache Solr
7 1 (1.08%) Apache Spark
7 1 (1.08%) CMS
7 1 (1.08%) Elasticsearch
7 1 (1.08%) Sitecore CMS
Business Applications
1 3 (3.23%) BusinessWorks
2 1 (1.08%) Oracle BPM
Cloud Services
1 13 (13.98%) Microsoft Azure
2 3 (3.23%) Amazon AWS
2 3 (3.23%) Amazon EC2
2 3 (3.23%) Sauce Labs
3 2 (2.15%) GitHub
4 1 (1.08%) Amazon SQS
4 1 (1.08%) BrowserStack
Communications & Networking
1 1 (1.08%) HTTP
1 1 (1.08%) Internet
1 1 (1.08%) SMS
Database & Business Intelligence
1 10 (10.75%) NoSQL
2 6 (6.45%) Oracle Database
3 4 (4.30%) GIS
4 3 (3.23%) SQL Server
5 2 (2.15%) MongoDB
5 2 (2.15%) MySQL
5 2 (2.15%) Oracle Database 11g
5 2 (2.15%) Oracle Database 12c
5 2 (2.15%) PostgreSQL
6 1 (1.08%) Apache Cassandra
6 1 (1.08%) Relational Database
6 1 (1.08%) Spatial Data
Development Applications
1 28 (30.11%) Git (software)
2 18 (19.35%) Team Foundation Server
3 13 (13.98%) gulp
3 13 (13.98%) Moq
3 13 (13.98%) Octopus Deploy
4 12 (12.90%) Cucumber
4 12 (12.90%) Jenkins
5 10 (10.75%) Selenium
6 9 (9.68%) Mockito
7 8 (8.60%) Maven
8 7 (7.53%) Subversion
9 6 (6.45%) JUnit
10 4 (4.30%) Bower
10 4 (4.30%) Eclipse
10 4 (4.30%) JIRA
10 4 (4.30%) jMock
11 3 (3.23%) Gradle
12 2 (2.15%) Appium
12 2 (2.15%) GitLab
12 2 (2.15%) Jasmine
General
1 22 (23.66%) Finance
2 11 (11.83%) Financial Institution
3 8 (8.60%) Banking
Job Titles
1 45 (48.39%) Developer
2 22 (23.66%) Java Developer
3 14 (15.05%) Architect
4 12 (12.90%) JavaScript Developer
4 12 (12.90%) Senior Developer
5 10 (10.75%) Scrum Master
6 8 (8.60%) Angular Developer
7 7 (7.53%) Full Stack Developer
8 6 (6.45%) Senior Java Developer
8 6 (6.45%) Software Engineer
9 4 (4.30%) .NET Developer
9 4 (4.30%) C# .NET Developer
9 4 (4.30%) C# Developer
9 4 (4.30%) HTML Developer
9 4 (4.30%) Java Engineer
9 4 (4.30%) Senior JavaScript Developer
10 3 (3.23%) Agile Developer
10 3 (3.23%) ASP.NET MVC Developer
10 3 (3.23%) C# ASP.NET Developer
10 3 (3.23%) Front End Developer (Client-Side Developer)
Libraries, Frameworks & Software Standards
1 49 (52.69%) HTML
2 45 (48.39%) AngularJS
3 39 (41.94%) CSS
4 27 (29.03%) jQuery
5 26 (27.96%) Web Services
6 23 (24.73%) Spring
7 21 (22.58%) .NET
8 19 (20.43%) ASP.NET
9 17 (18.28%) .NET Framework
9 17 (18.28%) Node.js
9 17 (18.28%) XSLT
10 16 (17.20%) Twitter Bootstrap
11 15 (16.13%) Entity Framework
12 14 (15.05%) ASP.NET Web API
13 13 (13.98%) LINQ
13 13 (13.98%) Modernizr
14 12 (12.90%) Hibernate
14 12 (12.90%) HTML5
15 11 (11.83%) React
16 9 (9.68%) CSS3
Miscellaneous
1 5 (5.38%) User Experience
2 4 (4.30%) Mobile App
3 2 (2.15%) Analytical Skills
3 2 (2.15%) Computer Science
3 2 (2.15%) Greenfield Project
4 1 (1.08%) Algorithms
4 1 (1.08%) Data Structures
4 1 (1.08%) Linux Command Line
4 1 (1.08%) Mobile Banking
4 1 (1.08%) Virtual Team
4 1 (1.08%) Web 2.0
Operating Systems
1 11 (11.83%) Linux
2 2 (2.15%) Red Hat Enterprise Linux
3 1 (1.08%) Unix
Processes & Methodologies
1 65 (69.89%) Agile Software Development
2 37 (39.78%) Scrum
3 34 (36.56%) BDD
4 33 (35.48%) Continuous Integration
5 27 (29.03%) MVC
6 22 (23.66%) Kanban
7 17 (18.28%) DevOps
7 17 (18.28%) Test Automation
8 14 (15.05%) Migration
9 13 (13.98%) Responsive Web Design
10 12 (12.90%) Mentoring
10 12 (12.90%) Software Engineering
11 11 (11.83%) Coaching
11 11 (11.83%) Digital Transformation Programme
12 10 (10.75%) Front End Development
12 10 (10.75%) User Stories
13 9 (9.68%) Continuous Deployment
13 9 (9.68%) SOA
14 8 (8.60%) Pair Programming
15 7 (7.53%) Continuous Delivery
Programming Languages
1 48 (51.61%) Java
1 48 (51.61%) JavaScript
2 26 (27.96%) SQL
3 18 (19.35%) C#
4 14 (15.05%) Python
5 8 (8.60%) Ruby
6 4 (4.30%) CoffeeScript
6 4 (4.30%) Perl
7 3 (3.23%) Scala
8 2 (2.15%) ES6
8 2 (2.15%) Go
8 2 (2.15%) PHP
9 1 (1.08%) C++
9 1 (1.08%) PL/SQL
9 1 (1.08%) R
9 1 (1.08%) Shell Script
Qualifications
1 5 (5.38%) MCTS
1 5 (5.38%) Microsoft Certification
1 5 (5.38%) Security Cleared
2 3 (3.23%) SC Cleared
3 2 (2.15%) Computer Science Degree
3 2 (2.15%) Degree
4 1 (1.08%) Postgraduate
Quality Assurance & Compliance
1 3 (3.23%) Disclosure Scotland
2 2 (2.15%) QA
System Software
1 7 (7.53%) Docker
Systems Management
1 8 (8.60%) Puppet
2 3 (3.23%) TIBCO Hawk
3 2 (2.15%) Ansible
3 2 (2.15%) CA Service Virtualization
3 2 (2.15%) Opscode Chef
4 1 (1.08%) Business Desktop Deployment
Vendors
1 7 (7.53%) Oracle
2 5 (5.38%) Microsoft
3 4 (4.30%) Red Hat
4 3 (3.23%) TIBCO
5 2 (2.15%) CA
6 1 (1.08%) ESRI
6 1 (1.08%) IBM
6 1 (1.08%) Sitecore
6 1 (1.08%) Twitter
6 1 (1.08%) VMware
Edinburgh, Midlothian
Lorien Resourcing
Posted: 3 hours ago
Edinburgh, Midlothian
TEKsystems
Rate: £375 - £435 per day
Posted: Yesterday
Edinburgh, Midlothian
Harvey Nash plc
Rate: Day rate only
Posted: 3 hours ago