Period
to 21 July 2019

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 July 2019 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 Jul 2019
Same period 2018 Same period 2017
Rank 50 26 39
Rank change year-on-year -24 +13 +7
Contract jobs citing TDD 76 158 87
As % of all contract IT jobs advertised in Edinburgh 3.25% 5.23% 3.84%
As % of the Processes & Methodologies category 3.78% 5.97% 4.53%
Number of daily rates quoted 50 106 67
Edinburgh median daily rate £463 £425 £425
Median daily rate % change year-on-year +8.82% - +13.33%
10th Percentile £363 £350 £338
90th Percentile £625 £544 £625
Scotland median daily rate £450 £425 £413
% change year-on-year +5.88% +3.03% +10.00%
Number of hourly rates quoted 1 0 0
Edinburgh median hourly rate £35.00 - -
Scotland median hourly rate £35.00 - £35.00

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 2,011 2,647 1,920
As % of all contract IT jobs advertised in Edinburgh 86.01% 87.59% 84.66%
Number of daily rates quoted 1,046 1,528 1,168
Edinburgh median daily rate £425 £413 £400
Median daily rate % change year-on-year +3.03% +3.13% -
10th Percentile £275 £288 £260
90th Percentile £594 £575 £550
Scotland median daily rate £425 £400 £380
% change year-on-year +6.25% +5.26% +1.33%
Number of hourly rates quoted 27 23 21
Edinburgh median hourly rate £17.50 £18.50 £18.00
Median hourly rate % change year-on-year -5.41% +2.78% +13.82%
10th Percentile £11.15 £10.75 £12.50
90th Percentile £42.20 £46.10 £43.39
Scotland median hourly rate £22.50 £17.50 £27.50
% change year-on-year +28.57% -36.36% -23.61%

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 July 2019.

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 July 2019, 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 52 (68.42%) Agile Software Development
2 35 (46.05%) Java
2 35 (46.05%) Continuous Integration
3 31 (40.79%) BDD
3 31 (40.79%) Scrum
4 30 (39.47%) JavaScript
5 29 (38.16%) CSS
6 26 (34.21%) HTML
7 24 (31.58%) Banking
8 23 (30.26%) Spring
9 22 (28.95%) Test Automation
10 21 (27.63%) Python
11 20 (26.32%) Finance
12 18 (23.68%) Amazon AWS
12 18 (23.68%) DevOps
13 15 (19.74%) HTML5
14 14 (18.42%) AngularJS
15 13 (17.11%) Unit Testing
15 13 (17.11%) Software Engineering
16 11 (14.47%) PostgreSQL
16 11 (14.47%) Ruby
16 11 (14.47%) Integration Testing
16 11 (14.47%) Jenkins
16 11 (14.47%) Ansible
16 11 (14.47%) Coaching
16 11 (14.47%) Java 8
17 10 (13.16%) Apache Camel
17 10 (13.16%) Kanban
18 9 (11.84%) PHP
18 9 (11.84%) SQL

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 5 (6.58%) nginx
2 4 (5.26%) NServiceBus
3 2 (2.63%) Cloud Foundry
4 1 (1.32%) Confluence
4 1 (1.32%) Elasticsearch
4 1 (1.32%) JBoss
4 1 (1.32%) OpenEdge
4 1 (1.32%) Tomcat
4 1 (1.32%) WebSphere
4 1 (1.32%) WebSphere Portal
Cloud Services
1 18 (23.68%) Amazon AWS
2 7 (9.21%) Serverless
3 6 (7.89%) AWS CloudFormation
3 6 (7.89%) AWS Lambda
4 3 (3.95%) Apigee
4 3 (3.95%) Microsoft Azure
5 2 (2.63%) Amazon EC2
6 1 (1.32%) BrowserStack
6 1 (1.32%) Google Cloud Platform
6 1 (1.32%) NuGet
6 1 (1.32%) OpenShift
6 1 (1.32%) Sauce Labs
Database & Business Intelligence
1 11 (14.47%) PostgreSQL
2 8 (10.53%) NoSQL
2 8 (10.53%) Relational Database
3 7 (9.21%) Amazon DynamoDB
3 7 (9.21%) RDBMS
4 5 (6.58%) Amazon RDS
5 4 (5.26%) Amazon Aurora
5 4 (5.26%) MongoDB
5 4 (5.26%) SQL Server
6 1 (1.32%) MySQL
Development Applications
1 11 (14.47%) Jenkins
2 8 (10.53%) Git (software)
3 4 (5.26%) SonarQube
3 4 (5.26%) Visual Studio
4 3 (3.95%) Bitbucket
4 3 (3.95%) JUnit
4 3 (3.95%) Mockito
5 2 (2.63%) Atlassian Bamboo
5 2 (2.63%) Gradle
5 2 (2.63%) HP UFT
5 2 (2.63%) IntelliJ
5 2 (2.63%) JIRA
5 2 (2.63%) Maven
5 2 (2.63%) Selenium
6 1 (1.32%) CF BOSH
6 1 (1.32%) Cucumber
6 1 (1.32%) JMeter
6 1 (1.32%) jMock
6 1 (1.32%) Mocha
6 1 (1.32%) Subversion
General
1 24 (31.58%) Banking
2 20 (26.32%) Finance
3 5 (6.58%) Investment Banking
4 4 (5.26%) Games
Job Titles
1 38 (50.00%) Developer
2 16 (21.05%) Senior Developer
3 12 (15.79%) Java Developer
4 10 (13.16%) AWS Engineer
5 9 (11.84%) Cloud Engineer
5 9 (11.84%) DevOps Engineer
6 8 (10.53%) Software Developer
6 8 (10.53%) Software Engineer
7 6 (7.89%) AWS DevOps
7 6 (7.89%) AWS DevOps Engineer
7 6 (7.89%) Scrum Master
7 6 (7.89%) Test Engineer
8 5 (6.58%) Test Automation Engineer
9 4 (5.26%) .NET Developer
9 4 (5.26%) .NET Software Developer
9 4 (5.26%) Senior Java Developer
9 4 (5.26%) Senior Software Developer
10 3 (3.95%) Deployment Engineer
10 3 (3.95%) PHP Developer
10 3 (3.95%) Senior Software Engineer
Libraries, Frameworks & Software Standards
1 29 (38.16%) CSS
2 26 (34.21%) HTML
3 23 (30.26%) Spring
4 15 (19.74%) HTML5
5 14 (18.42%) AngularJS
6 10 (13.16%) Apache Camel
7 9 (11.84%) React
7 9 (11.84%) REST
8 7 (9.21%) .NET
8 7 (9.21%) Symfony
9 6 (7.89%) Web Services
10 5 (6.58%) ASP.NET
10 5 (6.58%) PHP-FPM
10 5 (6.58%) Spring Boot
11 4 (5.26%) .NET Framework
11 4 (5.26%) CSS3
11 4 (5.26%) Entity Framework
11 4 (5.26%) jQuery
11 4 (5.26%) JSON
11 4 (5.26%) RESTful
Miscellaneous
1 5 (6.58%) Greenfield Project
1 5 (6.58%) Public Cloud
2 3 (3.95%) Data Centre
3 2 (2.63%) Algorithms
3 2 (2.63%) Data Structures
3 2 (2.63%) Management Information System
4 1 (1.32%) Cloud Native
4 1 (1.32%) CMDB
4 1 (1.32%) Mobile App
4 1 (1.32%) Mobile Banking
4 1 (1.32%) N-Tier
4 1 (1.32%) User Experience
Operating Systems
1 8 (10.53%) Linux
2 3 (3.95%) Windows
3 2 (2.63%) Windows Server
4 1 (1.32%) Apple iOS
Processes & Methodologies
1 52 (68.42%) Agile Software Development
2 35 (46.05%) Continuous Integration
3 31 (40.79%) BDD
3 31 (40.79%) Scrum
4 22 (28.95%) Test Automation
5 18 (23.68%) DevOps
6 13 (17.11%) Software Engineering
6 13 (17.11%) Unit Testing
7 11 (14.47%) Coaching
7 11 (14.47%) Integration Testing
8 10 (13.16%) Kanban
9 7 (9.21%) Mentoring
9 7 (9.21%) Microservices
10 6 (7.89%) Continuous Delivery
10 6 (7.89%) Domain-Driven Design
10 6 (7.89%) Mathematics
11 5 (6.58%) Continuous Deployment
11 5 (6.58%) Deployment Automation
11 5 (6.58%) Migration
11 5 (6.58%) MVC
Programming Languages
1 35 (46.05%) Java
2 30 (39.47%) JavaScript
3 21 (27.63%) Python
4 11 (14.47%) Java 8
4 11 (14.47%) Ruby
5 9 (11.84%) PHP
5 9 (11.84%) SQL
6 7 (9.21%) C#
7 4 (5.26%) Bash Shell
7 4 (5.26%) PowerShell
8 2 (2.63%) TypeScript
9 1 (1.32%) Apple Swift
9 1 (1.32%) C++
9 1 (1.32%) ES6
9 1 (1.32%) Perl
9 1 (1.32%) PL/SQL
9 1 (1.32%) Scala
Qualifications
1 8 (10.53%) Security Cleared
2 7 (9.21%) SC Cleared
3 4 (5.26%) Degree
4 1 (1.32%) AWS Certification
Quality Assurance & Compliance
1 1 (1.32%) QA
System Software
1 8 (10.53%) Docker
2 3 (3.95%) VMware NSX
3 1 (1.32%) vSphere
Systems Management
1 11 (14.47%) Ansible
2 3 (3.95%) Puppet
3 2 (2.63%) Opscode Chef
4 1 (1.32%) Kubernetes
Vendors
1 4 (5.26%) VMware
2 3 (3.95%) Cisco
3 1 (1.32%) Google
3 1 (1.32%) IBM
3 1 (1.32%) Microsoft
3 1 (1.32%) ServiceNow
3 1 (1.32%) Spotify