Period
to 15 December 2019

The following table provides summary statistics for contract job vacancies advertised in Scotland 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 15 December 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)
UK > Scotland
6 months to
15 Dec 2019
Same period 2018 Same period 2017
Rank 54 41 39
Rank change year-on-year -13 -2 +1
Contract jobs citing TDD 141 246 232
As % of all contract IT jobs advertised in Scotland 3.59% 4.74% 4.65%
As % of the Processes & Methodologies category 4.18% 5.38% 5.36%
Number of daily rates quoted 80 152 161
Scotland median daily rate £475 £438 £400
Median daily rate % change year-on-year +8.57% +9.38% -
10th Percentile £336 £356 £275
90th Percentile £614 £543 £575
UK median daily rate £525 £500 £488
% change year-on-year +5.00% +2.56% +8.33%
Number of hourly rates quoted 0 1 2
Scotland median hourly rate - £35.00 £41.50
Median hourly rate % change year-on-year - -15.66% -
UK median hourly rate £44.75 £45.00 £45.00
% change year-on-year -0.56% - +5.88%

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 Scotland with a requirement for process or methodology skills.

All Process and Methodology Skills
Scotland
Contract vacancies with a requirement for process or methodology skills 3,373 4,572 4,327
As % of all contract IT jobs advertised in Scotland 85.83% 88.08% 86.68%
Number of daily rates quoted 1,875 2,479 2,481
Scotland median daily rate £425 £400 £390
Median daily rate % change year-on-year +6.25% +2.56% +6.85%
10th Percentile £213 £255 £250
90th Percentile £575 £551 £538
UK median daily rate £475 £465 £450
% change year-on-year +2.15% +3.33% +5.88%
Number of hourly rates quoted 89 97 101
Scotland median hourly rate £19.03 £25.00 £22.50
Median hourly rate % change year-on-year -23.88% +11.11% +7.14%
10th Percentile £11.17 £11.17 £11.25
90th Percentile £43.90 £44.27 £43.25
UK median hourly rate £23.50 £22.31 £24.00
% change year-on-year +5.32% -7.03% +6.67%

TDD
Job Vacancy Trend in Scotland

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

Job vacancy trend for TDD in Scotland

TDD
Contractor Daily Rate Trend in Scotland

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

Contractor daily rate trend for TDD in Scotland

TDD
Contractor Daily Rate Histogram in Scotland

The daily rate distribution of IT jobs citing TDD in Scotland over the 6 months to 15 December 2019.

Contractor daily rate histogram for TDD in Scotland

TDD
Contractor Hourly Rate Trend in Scotland

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

Contractor hourly rate trend for TDD in Scotland

TDD
Contract Job Locations in Scotland

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing TDD within the Scotland region over the 6 months to 15 December 2019. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Glasgow +9 71 £475 +15.01% 20
Edinburgh -18 55 £475 +5.56% 28
Stirling - 3 £375 -
Renfrewshire - 3 £438 - 3
Dundee +2 1 £550 +175.00% 2
Falkirk - 1 - -
Aberdeen - 1 £425 - 2
Fife - 1 £425 - 2
TDD
UK

For the 6 months to 15 December 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 Scotland region with a requirement for TDD.

1 102 (72.34%) Agile Software Development
2 84 (59.57%) Java
3 50 (35.46%) BDD
4 48 (34.04%) JavaScript
5 47 (33.33%) Spring
6 36 (25.53%) Continuous Integration
6 36 (25.53%) Git (software)
7 34 (24.11%) Scrum
8 33 (23.40%) React
9 31 (21.99%) Microservices
9 31 (21.99%) Finance
9 31 (21.99%) Pair Programming
10 30 (21.28%) HTML
10 30 (21.28%) Kanban
10 30 (21.28%) Unit Testing
10 30 (21.28%) REST
11 29 (20.57%) JSON
11 29 (20.57%) CSS
12 26 (18.44%) AngularJS
13 25 (17.73%) Mentoring
14 24 (17.02%) Linux
15 23 (16.31%) RESTful
15 23 (16.31%) Java 8
16 22 (15.60%) Public Sector
16 22 (15.60%) Web Services
17 21 (14.89%) OOP
17 21 (14.89%) .NET
18 20 (14.18%) XML
18 20 (14.18%) Test Automation
18 20 (14.18%) MongoDB

TDD
Co-occurring IT Skills in Scotland 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 4 (2.84%) Apache
1 4 (2.84%) CMS
1 4 (2.84%) nginx
2 3 (2.13%) Alfresco
2 3 (2.13%) IIS
2 3 (2.13%) Jetty
2 3 (2.13%) Mongrel
2 3 (2.13%) Tomcat
2 3 (2.13%) WebSphere
3 1 (0.71%) Apache Spark
3 1 (0.71%) ArcGIS
3 1 (0.71%) Camunda
3 1 (0.71%) Confluence
3 1 (0.71%) NetWeaver
Applications
1 1 (0.71%) Adobe Illustrator
1 1 (0.71%) Photoshop
Business Applications
1 1 (0.71%) SAP ERP
1 1 (0.71%) SAP QM
Cloud Services
1 17 (12.06%) AWS
2 11 (7.80%) Azure
3 9 (6.38%) GCP
4 6 (4.26%) AWS Lambda
5 5 (3.55%) Amazon EC2
5 5 (3.55%) Google Pay
5 5 (3.55%) Samsung Pay
5 5 (3.55%) Serverless
6 4 (2.84%) Azure Active Directory
7 3 (2.13%) Google App Engine
8 2 (1.42%) Amazon S3
8 2 (1.42%) AWS CodeCommit
8 2 (1.42%) AWS CodeDeploy
8 2 (1.42%) GitHub
8 2 (1.42%) Google Analytics
8 2 (1.42%) npm
8 2 (1.42%) OpenShift
9 1 (0.71%) Apple Pay
9 1 (0.71%) AWS Step Functions
9 1 (0.71%) Yarn
Communications & Networking
1 12 (8.51%) SSH
2 6 (4.26%) Bluetooth
2 6 (4.26%) NFC
3 5 (3.55%) HTTP
4 4 (2.84%) SSL
4 4 (2.84%) TCP/IP
5 3 (2.13%) DHCP
5 3 (2.13%) DNS
5 3 (2.13%) FTP
5 3 (2.13%) IPsec
6 1 (0.71%) Internet
6 1 (0.71%) Intranet
6 1 (0.71%) Skype
Database & Business Intelligence
1 20 (14.18%) MongoDB
2 17 (12.06%) Relational Database
3 8 (5.67%) PostgreSQL
4 6 (4.26%) MySQL
5 4 (2.84%) NoSQL
6 3 (2.13%) Amazon DynamoDB
6 3 (2.13%) SQL Server
7 2 (1.42%) Amazon Aurora
7 2 (1.42%) Amazon RDS
7 2 (1.42%) DB2
7 2 (1.42%) SQL Server Analysis Services
8 1 (0.71%) Apache Hive
8 1 (0.71%) Big Data
8 1 (0.71%) dBASE
8 1 (0.71%) GIS
8 1 (0.71%) MariaDB
8 1 (0.71%) Presto
8 1 (0.71%) RDBMS
8 1 (0.71%) Triplestore
Development Applications
1 36 (25.53%) Git (software)
2 13 (9.22%) Jenkins
3 8 (5.67%) JUnit
4 7 (4.96%) Cucumber
5 5 (3.55%) Android Studio
5 5 (3.55%) Eclipse
5 5 (3.55%) Gradle
5 5 (3.55%) JIRA
5 5 (3.55%) Mockito
6 4 (2.84%) GitLab
6 4 (2.84%) Selenium
6 4 (2.84%) Team Foundation Server
6 4 (2.84%) Visual Studio
7 3 (2.13%) fastlane
7 3 (2.13%) Maven
7 3 (2.13%) PostCSS
7 3 (2.13%) SonarQube
7 3 (2.13%) Subversion
7 3 (2.13%) Travis CI
8 2 (1.42%) GoCD
General
1 31 (21.99%) Finance
2 22 (15.60%) Public Sector
3 15 (10.64%) Banking
4 3 (2.13%) Law
5 2 (1.42%) Games
5 2 (1.42%) Investment Banking
6 1 (0.71%) Publishing
Job Titles
1 101 (71.63%) Developer
2 36 (25.53%) Java Developer
3 25 (17.73%) Senior Developer
4 14 (9.93%) React Developer
5 11 (7.80%) Android Developer
5 11 (7.80%) Front End Developer (Client-Side Developer)
5 11 (7.80%) Senior Java Developer
5 11 (7.80%) Technical Leader
6 10 (7.09%) Full Stack Developer
6 10 (7.09%) Technical Design Leader
7 8 (5.67%) Angular Developer
8 6 (4.26%) Digital Developer
8 6 (4.26%) UI Developer
9 5 (3.55%) .NET Developer
9 5 (3.55%) JavaScript Developer
10 4 (2.84%) Agile Coach
10 4 (2.84%) Scala Developer
10 4 (2.84%) Senior Android Developer
10 4 (2.84%) Software Developer
10 4 (2.84%) Software Engineer
Libraries, Frameworks & Software Standards
1 47 (33.33%) Spring
2 33 (23.40%) React
3 30 (21.28%) HTML
3 30 (21.28%) REST
4 29 (20.57%) CSS
4 29 (20.57%) JSON
5 26 (18.44%) AngularJS
6 23 (16.31%) RESTful
7 22 (15.60%) Web Services
8 21 (14.89%) .NET
9 20 (14.18%) XML
10 18 (12.77%) Spring Boot
11 17 (12.06%) RabbitMQ
12 16 (11.35%) Hibernate
12 16 (11.35%) J2EE
13 15 (10.64%) JPA
14 14 (9.93%) HTML5
15 13 (9.22%) Node.js
16 12 (8.51%) SOAP
17 11 (7.80%) Sass
Miscellaneous
1 19 (13.48%) Analytical Skills
2 14 (9.93%) User Experience
3 13 (9.22%) Linux Command Line
4 11 (7.80%) Mobile App
5 7 (4.96%) Greenfield Project
6 6 (4.26%) Digital Wallet
6 6 (4.26%) Smartphone
7 1 (0.71%) Blog
7 1 (0.71%) Chromecast
7 1 (0.71%) Cloud Native
7 1 (0.71%) Enterprise Software
7 1 (0.71%) Hedge funds
7 1 (0.71%) Management Information System
7 1 (0.71%) N-Tier
Operating Systems
1 24 (17.02%) Linux
2 17 (12.06%) Android
3 13 (9.22%) Unix
4 8 (5.67%) Apple iOS
Processes & Methodologies
1 102 (72.34%) Agile Software Development
2 50 (35.46%) BDD
3 36 (25.53%) Continuous Integration
4 34 (24.11%) Scrum
5 31 (21.99%) Microservices
5 31 (21.99%) Pair Programming
6 30 (21.28%) Kanban
6 30 (21.28%) Unit Testing
7 25 (17.73%) Mentoring
8 21 (14.89%) OOP
9 20 (14.18%) Test Automation
10 19 (13.48%) Coaching
10 19 (13.48%) Continuous Deployment
11 17 (12.06%) User Stories
12 16 (11.35%) Android Development
12 16 (11.35%) Problem-Solving
12 16 (11.35%) SDLC
13 15 (10.64%) Continuous Delivery
13 15 (10.64%) DevOps
14 14 (9.93%) Front End Development
Programming Languages
1 84 (59.57%) Java
2 48 (34.04%) JavaScript
3 23 (16.31%) Java 8
4 19 (13.48%) SQL
5 13 (9.22%) C#
6 9 (6.38%) ES6
6 9 (6.38%) Python
7 7 (4.96%) Clojure
8 6 (4.26%) Ruby
9 5 (3.55%) PHP
9 5 (3.55%) Scala
10 4 (2.84%) Apple Swift
10 4 (2.84%) Kotlin
10 4 (2.84%) Objective-C
11 3 (2.13%) Bash Shell
11 3 (2.13%) Groovy
12 2 (1.42%) Perl
12 2 (1.42%) TypeScript
12 2 (1.42%) VB.NET
13 1 (0.71%) ABAP
Qualifications
1 16 (11.35%) Security Cleared
2 10 (7.09%) BPSS Clearance
3 5 (3.55%) Degree
4 1 (0.71%) AWS Certification
4 1 (0.71%) BC Cleared
4 1 (0.71%) Computer Science Degree
4 1 (0.71%) SC Cleared
Quality Assurance & Compliance
1 3 (2.13%) QA
System Software
1 12 (8.51%) Docker
2 4 (2.84%) Active Directory
3 3 (2.13%) VMware Infrastructure
3 3 (2.13%) Xen
Systems Management
1 9 (6.38%) Ansible
2 6 (4.26%) Kubernetes
3 5 (3.55%) Consul
4 3 (2.13%) Puppet
5 1 (0.71%) Terraform
Vendors
1 12 (8.51%) Google
2 9 (6.38%) Microsoft
3 5 (3.55%) Apple
3 5 (3.55%) Samsung
4 4 (2.84%) VMware
5 1 (0.71%) Adobe
5 1 (0.71%) Cadence
5 1 (0.71%) ESRI
5 1 (0.71%) Nintex
5 1 (0.71%) Oracle
5 1 (0.71%) SAP