Period
to 13 December 2018

The following table provides summary statistics for contract job vacancies advertised in Glasgow 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 13 December 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 > Glasgow
6 months to
13 Dec 2018
Same period 2017 Same period 2016
Rank 45 25 41
Rank change year-on-year -20 +16 +9
Contract jobs citing TDD 85 87 48
As % of all contract IT jobs advertised in Glasgow 4.93% 6.87% 4.23%
As % of the Processes & Methodologies category 5.47% 7.80% 4.91%
Number of daily rates quoted 47 57 17
Glasgow median daily rate £425 £390 £375
Median daily rate % change year-on-year +8.97% +4.00% +18.11%
10th Percentile £358 £318 £224
90th Percentile £543 £525 £463
Scotland median daily rate £438 £400 £400
% change year-on-year +9.38% - +6.67%
Number of hourly rates quoted 0 0 0
Glasgow median hourly rate - - -
Scotland median hourly rate £35.00 £41.50 -
% change year-on-year -15.66% - -

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 Glasgow with a requirement for process or methodology skills.

All Process and Methodology Skills
Glasgow
Contract vacancies with a requirement for process or methodology skills 1,553 1,115 977
As % of all contract IT jobs advertised in Glasgow 90.08% 88.07% 86.08%
Number of daily rates quoted 912 621 498
Glasgow median daily rate £400 £375 £350
Median daily rate % change year-on-year +6.67% +7.14% -
10th Percentile £263 £255 £213
90th Percentile £538 £500 £459
Scotland median daily rate £400 £390 £363
% change year-on-year +2.56% +7.59% -3.33%
Number of hourly rates quoted 33 37 21
Glasgow median hourly rate £25.00 £24.00 £21.00
Median hourly rate % change year-on-year +4.17% +14.29% -28.46%
10th Percentile £13.00 £10.00 £10.00
90th Percentile £42.91 £34.05 £45.75
Scotland median hourly rate £23.50 £23.25 £21.00
% change year-on-year +1.08% +10.71% +3.70%

TDD
Job Vacancy Trend in Glasgow

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

Job vacancy trend for TDD in Glasgow

TDD
Contractor Daily Rate Trend in Glasgow

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

Contractor daily rate trend for TDD in Glasgow

TDD
Contractor Daily Rate Histogram in Glasgow

The daily rate distribution of IT jobs citing TDD in Glasgow over the 6 months to 13 December 2018.

Contractor daily rate histogram for TDD in Glasgow

For the 6 months to 13 December 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 Glasgow region with a requirement for TDD.

1 60 (70.59%) Agile Software Development
2 50 (58.82%) Java
3 35 (41.18%) Spring
3 35 (41.18%) JavaScript
4 32 (37.65%) HTML
5 31 (36.47%) BDD
6 28 (32.94%) REST
7 27 (31.76%) Test Automation
8 26 (30.59%) Scrum
9 25 (29.41%) Hibernate
9 25 (29.41%) Web Services
10 24 (28.24%) Banking
11 23 (27.06%) MVC
11 23 (27.06%) HTML5
12 22 (25.88%) CSS
13 20 (23.53%) Git (software)
14 19 (22.35%) Greenfield Project
15 18 (21.18%) Unit Testing
15 18 (21.18%) Continuous Integration
16 17 (20.00%) XML
16 17 (20.00%) Eclipse
17 16 (18.82%) Finance
17 16 (18.82%) JSON
18 15 (17.65%) MVVM
18 15 (17.65%) Docker
19 14 (16.47%) Jenkins
19 14 (16.47%) Kanban
19 14 (16.47%) Maven
20 13 (15.29%) Tomcat
20 13 (15.29%) React

TDD
Co-occurring IT Skills in Glasgow 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 (15.29%) Tomcat
2 10 (11.76%) WebLogic
3 9 (10.59%) JBoss
3 9 (10.59%) Jetty
4 7 (8.24%) WebSphere
5 2 (2.35%) CMS
5 2 (2.35%) Confluence
5 2 (2.35%) Drupal
6 1 (1.18%) Apache
6 1 (1.18%) OpenStack
Applications
1 1 (1.18%) Microsoft Excel
1 1 (1.18%) Microsoft Office
1 1 (1.18%) MS Visio
Cloud Services
1 5 (5.88%) Amazon AWS
2 3 (3.53%) Amazon EC2
2 3 (3.53%) AWS CloudFormation
2 3 (3.53%) AWS Lambda
2 3 (3.53%) Microsoft Azure
2 3 (3.53%) Serverless
2 3 (3.53%) Virtual Private Cloud
3 2 (2.35%) PaaS
4 1 (1.18%) Apple Pay
4 1 (1.18%) Google Cloud Platform
4 1 (1.18%) Google Pay
4 1 (1.18%) OpenShift
4 1 (1.18%) Samsung Pay
Communications & Networking
1 6 (7.06%) AMQP
2 2 (2.35%) Bluetooth
2 2 (2.35%) NFC
Database & Business Intelligence
1 10 (11.76%) MongoDB
1 10 (11.76%) NoSQL
1 10 (11.76%) Relational Database
2 8 (9.41%) Couchbase
2 8 (9.41%) DB2
2 8 (9.41%) Hadoop
2 8 (9.41%) Redis
2 8 (9.41%) Riak
3 7 (8.24%) RDBMS
4 5 (5.88%) Oracle Database
4 5 (5.88%) Oracle Database 10g
4 5 (5.88%) Oracle Database 11g
5 2 (2.35%) PostgreSQL
6 1 (1.18%) Azure SQL Database
6 1 (1.18%) MySQL
6 1 (1.18%) SQL Server
Development Applications
1 20 (23.53%) Git (software)
2 17 (20.00%) Eclipse
3 14 (16.47%) Jenkins
3 14 (16.47%) Maven
4 12 (14.12%) Cucumber
4 12 (14.12%) JUnit
4 12 (14.12%) Selenium
4 12 (14.12%) Subversion
5 9 (10.59%) Vagrant
6 8 (9.41%) Android Studio
6 8 (9.41%) JIRA
7 7 (8.24%) FitNesse
7 7 (8.24%) Xcode
8 6 (7.06%) Bitbucket
8 6 (7.06%) Gradle
9 5 (5.88%) Hudson
9 5 (5.88%) Mockito
10 4 (4.71%) webpack
11 3 (3.53%) MagicDraw
12 2 (2.35%) Bugzilla
General
1 24 (28.24%) Banking
2 16 (18.82%) Finance
3 6 (7.06%) Investment Banking
4 2 (2.35%) Retail
Job Titles
1 70 (82.35%) Developer
2 38 (44.71%) Java Developer
3 11 (12.94%) iOS Developer
4 8 (9.41%) Android Developer
5 7 (8.24%) Front End Developer (Client-Side Developer)
5 7 (8.24%) Objective-C Developer
5 7 (8.24%) Senior Developer
6 6 (7.06%) React Developer
7 4 (4.71%) Applications Developer
7 4 (4.71%) Java Android Developer
7 4 (4.71%) Web Developer
8 3 (3.53%) Consultant
8 3 (3.53%) Full Stack Developer
8 3 (3.53%) J2EE Developer
8 3 (3.53%) Java/J2EE Developer
8 3 (3.53%) JavaScript Developer
8 3 (3.53%) Lead Developer
8 3 (3.53%) Senior Java Developer
8 3 (3.53%) Software Engineer
9 2 (2.35%) Java Applications Developer
Libraries, Frameworks & Software Standards
1 35 (41.18%) Spring
2 32 (37.65%) HTML
3 28 (32.94%) REST
4 25 (29.41%) Hibernate
4 25 (29.41%) Web Services
5 23 (27.06%) HTML5
6 22 (25.88%) CSS
7 17 (20.00%) XML
8 16 (18.82%) JSON
9 13 (15.29%) React
10 11 (12.94%) J2EE
11 9 (10.59%) JPA
11 9 (10.59%) Kafka
11 9 (10.59%) SOAP
12 8 (9.41%) Android SDK
12 8 (9.41%) AngularJS
13 7 (8.24%) Cocoa
13 7 (8.24%) CSS3
13 7 (8.24%) iOS SDK
13 7 (8.24%) Spring MVC
Miscellaneous
1 19 (22.35%) Greenfield Project
2 12 (14.12%) Mobile Banking
3 9 (10.59%) Mobile App
4 6 (7.06%) Analytical Skills
5 3 (3.53%) Enterprise Software
5 3 (3.53%) Smartphone
6 2 (2.35%) Digital Wallet
6 2 (2.35%) Self-Motivation
6 2 (2.35%) User Experience
7 1 (1.18%) Virtual Team
Operating Systems
1 11 (12.94%) Android
1 11 (12.94%) Apple iOS
2 4 (4.71%) Unix
3 3 (3.53%) Linux
Processes & Methodologies
1 60 (70.59%) Agile Software Development
2 31 (36.47%) BDD
3 27 (31.76%) Test Automation
4 26 (30.59%) Scrum
5 23 (27.06%) MVC
6 18 (21.18%) Continuous Integration
6 18 (21.18%) Unit Testing
7 15 (17.65%) MVVM
8 14 (16.47%) Kanban
9 12 (14.12%) Multithreading
9 12 (14.12%) Refactoring
10 11 (12.94%) iOS Development
10 11 (12.94%) OO
11 10 (11.76%) Microservices
12 9 (10.59%) Deployment Automation
12 9 (10.59%) Software Engineering
13 8 (9.41%) Android Development
14 7 (8.24%) Concurrent Programming
14 7 (8.24%) Integration Testing
14 7 (8.24%) Open Source
Programming Languages
1 50 (58.82%) Java
2 35 (41.18%) JavaScript
3 11 (12.94%) Apple Swift
4 10 (11.76%) Python
5 8 (9.41%) Bash Shell
5 8 (9.41%) Ruby
5 8 (9.41%) SQL
6 7 (8.24%) Objective-C
7 6 (7.06%) Java 8
8 5 (5.88%) C#
9 4 (4.71%) ES6
10 3 (3.53%) Kotlin
10 3 (3.53%) Shell Script
11 2 (2.35%) Perl
11 2 (2.35%) PHP
12 1 (1.18%) PL/SQL
Qualifications
1 6 (7.06%) Degree
Quality Assurance & Compliance
1 6 (7.06%) QA
2 1 (1.18%) Disclosure Scotland
System Software
1 15 (17.65%) Docker
2 1 (1.18%) VMware Infrastructure
Systems Management
1 11 (12.94%) Ansible
2 10 (11.76%) Opscode Chef
2 10 (11.76%) Puppet
3 9 (10.59%) Cobbler
4 1 (1.18%) Rancher
Vendors
1 10 (11.76%) Oracle
2 6 (7.06%) IBM
2 6 (7.06%) Informatica
2 6 (7.06%) TIBCO
3 2 (2.35%) Sonatype
3 2 (2.35%) Sybase
4 1 (1.18%) Apple
4 1 (1.18%) Atlassian
4 1 (1.18%) CA Agile Central
4 1 (1.18%) Charles River
4 1 (1.18%) Google
4 1 (1.18%) Microsoft
4 1 (1.18%) Samsung
4 1 (1.18%) VMware