Period
to 19 October 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 19 October 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
19 Oct 2018
Same period 2017 Same period 2016
Rank 44 19 42
Rank change year-on-year -25 +23 +8
Contract jobs citing TDD 77 114 52
As % of all contract IT jobs advertised in Glasgow 4.58% 8.49% 4.22%
As % of the Processes & Methodologies category 5.12% 9.62% 5.02%
Number of daily rates quoted 40 76 26
Glasgow median daily rate £400 £388 £375
Median daily rate % change year-on-year +3.23% +3.33% +15.38%
10th Percentile £348 £318 £225
90th Percentile £526 £513 £438
Scotland median daily rate £425 £400 £378
% change year-on-year +6.25% +5.96% +0.67%
Number of hourly rates quoted 0 0 0
Glasgow median hourly rate - - -
Scotland median hourly rate - £41.50 -

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 1,505 1,185 1,036
As % of all contract IT jobs advertised in Glasgow 89.53% 88.24% 84.02%
Number of daily rates quoted 844 623 578
Glasgow median daily rate £400 £375 £350
Median daily rate % change year-on-year +6.67% +7.14% -
10th Percentile £251 £263 £218
90th Percentile £538 £500 £475
Scotland median daily rate £400 £390 £355
% change year-on-year +2.56% +9.86% -5.33%
Number of hourly rates quoted 32 35 18
Glasgow median hourly rate £18.25 £24.00 £15.25
Median hourly rate % change year-on-year -23.96% +57.38% -43.16%
10th Percentile £11.33 £10.00 £9.25
90th Percentile £35.23 £34.20 £43.83
Scotland median hourly rate £25.00 £26.25 £25.00
% change year-on-year -4.76% +5.00% +25.00%

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 19 October 2018.

Contractor daily rate histogram for TDD in Glasgow

For the 6 months to 19 October 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 62 (80.52%) Agile Software Development
2 49 (63.64%) Java
3 40 (51.95%) Spring
4 35 (45.45%) JavaScript
5 32 (41.56%) Hibernate
6 30 (38.96%) HTML
6 30 (38.96%) Test Automation
7 29 (37.66%) Scrum
8 24 (31.17%) Git (software)
8 24 (31.17%) BDD
9 21 (27.27%) HTML5
10 20 (25.97%) Docker
10 20 (25.97%) Maven
11 17 (22.08%) CSS
11 17 (22.08%) Kanban
12 16 (20.78%) Continuous Integration
13 15 (19.48%) MongoDB
13 15 (19.48%) JUnit
14 14 (18.18%) Python
14 14 (18.18%) Multithreading
14 14 (18.18%) Microservices
14 14 (18.18%) Kafka
14 14 (18.18%) Ansible
15 13 (16.88%) Jenkins
15 13 (16.88%) NoSQL
15 13 (16.88%) Cucumber
15 13 (16.88%) J2EE
15 13 (16.88%) Tomcat
15 13 (16.88%) Selenium
15 13 (16.88%) Subversion

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 (16.88%) Tomcat
2 11 (14.29%) JBoss
2 11 (14.29%) Jetty
2 11 (14.29%) WebLogic
2 11 (14.29%) WebSphere
3 2 (2.60%) CMS
3 2 (2.60%) Confluence
3 2 (2.60%) Drupal
3 2 (2.60%) WebSphere Application Server
4 1 (1.30%) Apache
Applications
1 1 (1.30%) Adobe Creative Suite
1 1 (1.30%) Microsoft Excel
1 1 (1.30%) Microsoft Office
1 1 (1.30%) MS Visio
Business Applications
1 2 (2.60%) IBM Operational Decision Manager
Cloud Services
1 5 (6.49%) PaaS
2 4 (5.19%) OpenShift
3 2 (2.60%) Amazon AWS
4 1 (1.30%) Apple Pay
4 1 (1.30%) Google Pay
4 1 (1.30%) Microsoft Azure
4 1 (1.30%) Samsung Pay
Communications & Networking
1 9 (11.69%) AMQP
2 2 (2.60%) Bluetooth
2 2 (2.60%) NFC
Database & Business Intelligence
1 15 (19.48%) MongoDB
2 13 (16.88%) NoSQL
3 12 (15.58%) Relational Database
4 11 (14.29%) Couchbase
4 11 (14.29%) Hadoop
4 11 (14.29%) Redis
4 11 (14.29%) Riak
5 9 (11.69%) DB2
6 7 (9.09%) Oracle Database
6 7 (9.09%) RDBMS
7 5 (6.49%) Oracle Database 10g
7 5 (6.49%) Oracle Database 11g
8 1 (1.30%) Azure SQL Database
8 1 (1.30%) PostgreSQL
8 1 (1.30%) SQL Server
Development Applications
1 24 (31.17%) Git (software)
2 20 (25.97%) Maven
3 15 (19.48%) JUnit
4 13 (16.88%) Cucumber
4 13 (16.88%) Jenkins
4 13 (16.88%) Selenium
4 13 (16.88%) Subversion
5 12 (15.58%) Eclipse
5 12 (15.58%) Vagrant
6 9 (11.69%) Bitbucket
6 9 (11.69%) FitNesse
7 8 (10.39%) JIRA
8 7 (9.09%) Gradle
8 7 (9.09%) Mockito
9 4 (5.19%) Hudson
9 4 (5.19%) TeamCity
9 4 (5.19%) webpack
10 3 (3.90%) Grunt
10 3 (3.90%) gulp
10 3 (3.90%) Team Foundation Server
General
1 11 (14.29%) Banking
2 10 (12.99%) Finance
3 5 (6.49%) Investment Banking
4 2 (2.60%) Games
4 2 (2.60%) Retail
Job Titles
1 59 (76.62%) Developer
2 40 (51.95%) Java Developer
3 6 (7.79%) Front End Developer (Client-Side Developer)
4 4 (5.19%) Agile Coach
4 4 (5.19%) Applications Developer
4 4 (5.19%) iOS Developer
4 4 (5.19%) React Developer
5 3 (3.90%) Consultant
5 3 (3.90%) Full Stack Developer
5 3 (3.90%) J2EE Developer
5 3 (3.90%) Java/J2EE Developer
5 3 (3.90%) JavaScript Developer
5 3 (3.90%) Senior Developer
5 3 (3.90%) Web Developer
6 2 (2.60%) Development Engineer
6 2 (2.60%) Front End Web Developer (Client-Side Developer)
6 2 (2.60%) Mobile Applications Developer
6 2 (2.60%) Mobile Developer
6 2 (2.60%) Senior Front-End Developer
6 2 (2.60%) Software Engineer
Libraries, Frameworks & Software Standards
1 40 (51.95%) Spring
2 32 (41.56%) Hibernate
3 30 (38.96%) HTML
4 21 (27.27%) HTML5
5 17 (22.08%) CSS
6 14 (18.18%) Kafka
7 13 (16.88%) J2EE
8 12 (15.58%) REST
9 11 (14.29%) JPA
9 11 (14.29%) Web Services
10 10 (12.99%) RabbitMQ
11 9 (11.69%) JMS
11 9 (11.69%) SOAP
11 9 (11.69%) TIBCO EMS
11 9 (11.69%) WebSphere MQ
12 8 (10.39%) Spring Boot
13 7 (9.09%) React
13 7 (9.09%) RESTful
14 6 (7.79%) AngularJS
14 6 (7.79%) CSS3
Miscellaneous
1 7 (9.09%) Greenfield Project
1 7 (9.09%) Mobile App
2 6 (7.79%) Analytical Skills
3 5 (6.49%) Computer Science
4 3 (3.90%) DataPower
4 3 (3.90%) Enterprise Software
4 3 (3.90%) User Experience
5 2 (2.60%) Digital Wallet
5 2 (2.60%) Self-Motivation
5 2 (2.60%) Smartphone
Operating Systems
1 5 (6.49%) Linux
1 5 (6.49%) Unix
2 4 (5.19%) Android
2 4 (5.19%) Apple iOS
3 1 (1.30%) Red Hat Enterprise Linux
Processes & Methodologies
1 62 (80.52%) Agile Software Development
2 30 (38.96%) Test Automation
3 29 (37.66%) Scrum
4 24 (31.17%) BDD
5 17 (22.08%) Kanban
6 16 (20.78%) Continuous Integration
7 14 (18.18%) Microservices
7 14 (18.18%) Multithreading
8 12 (15.58%) OO
9 11 (14.29%) Deployment Automation
9 11 (14.29%) Software Engineering
10 10 (12.99%) System Testing
11 9 (11.69%) Concurrent Programming
11 9 (11.69%) DSDM
11 9 (11.69%) Integration Testing
11 9 (11.69%) Refactoring
11 9 (11.69%) RUP
11 9 (11.69%) UML
12 8 (10.39%) MVC
12 8 (10.39%) Problem-Solving
Programming Languages
1 49 (63.64%) Java
2 35 (45.45%) JavaScript
3 14 (18.18%) Python
4 11 (14.29%) Bash Shell
4 11 (14.29%) Ruby
5 7 (9.09%) Java 8
6 6 (7.79%) SQL
7 5 (6.49%) Kotlin
7 5 (6.49%) Shell Script
8 4 (5.19%) Apple Swift
8 4 (5.19%) C#
8 4 (5.19%) ES6
9 2 (2.60%) Perl
9 2 (2.60%) PHP
10 1 (1.30%) Objective-C
10 1 (1.30%) PL/SQL
10 1 (1.30%) XAML
Qualifications
1 7 (9.09%) Degree
2 1 (1.30%) BPSS Clearance
Quality Assurance & Compliance
1 11 (14.29%) QA
System Software
1 20 (25.97%) Docker
2 1 (1.30%) VMware Infrastructure
Systems Management
1 14 (18.18%) Ansible
2 11 (14.29%) Cobbler
2 11 (14.29%) Opscode Chef
2 11 (14.29%) Puppet
3 2 (2.60%) HP Quality Center
4 1 (1.30%) Graphite
4 1 (1.30%) HAProxy
4 1 (1.30%) Icinga
4 1 (1.30%) Packer
4 1 (1.30%) Terraform
Vendors
1 11 (14.29%) IBM
2 10 (12.99%) Oracle
3 9 (11.69%) TIBCO
4 8 (10.39%) Informatica
5 2 (2.60%) HP
5 2 (2.60%) Sonatype
5 2 (2.60%) Sybase
5 2 (2.60%) VMware
6 1 (1.30%) Adobe
6 1 (1.30%) Apple
6 1 (1.30%) CA Agile Central
6 1 (1.30%) Google
6 1 (1.30%) Microsoft
6 1 (1.30%) Samsung
6 1 (1.30%) Xamarin