Period
to 22 February 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 22 February 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
22 Feb 2018
Same period 2017 Same period 2016
Rank 35 37 39
Rank change year-on-year +2 +2 +6
Contract jobs citing TDD 66 46 51
As % of all contract IT jobs advertised in Glasgow 5.55% 4.31% 3.54%
As % of the Processes & Methodologies category 6.44% 5.15% 4.44%
Number of daily rates quoted 42 21 25
Glasgow median daily rate £380 £350 £310
Median daily rate % change year-on-year +8.57% +12.90% -20.00%
10th Percentile £286 £313 £223
90th Percentile £473 £475 £418
Scotland median daily rate £400 £413 £370
% change year-on-year -3.03% +11.49% -4.52%
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 1,025 893 1,149
As % of all contract IT jobs advertised in Glasgow 86.21% 83.61% 79.74%
Number of daily rates quoted 605 467 629
Glasgow median daily rate £375 £355 £350
Median daily rate % change year-on-year +5.63% +1.43% -6.67%
10th Percentile £261 £213 £206
90th Percentile £488 £475 £475
Scotland median daily rate £400 £375 £375
% change year-on-year +6.67% - -
Number of hourly rates quoted 28 14 12
Glasgow median hourly rate £24.00 £30.00 £32.50
Median hourly rate % change year-on-year -20.00% -7.69% +62.50%
10th Percentile £10.00 £10.50 £13.28
90th Percentile £36.50 £48.73 £48.28
Scotland median hourly rate £21.25 £19.50 £32.50
% change year-on-year +8.97% -40.00% +43.23%

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 22 February 2018.

Contractor daily rate histogram for TDD in Glasgow

For the 6 months to 22 February 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 53 (80.30%) Agile Software Development
2 38 (57.58%) Java
3 36 (54.55%) JavaScript
4 29 (43.94%) HTML
5 28 (42.42%) Scrum
6 24 (36.36%) HTML5
7 22 (33.33%) BDD
8 20 (30.30%) CSS
9 18 (27.27%) Kanban
9 18 (27.27%) Test Automation
10 17 (25.76%) Continuous Integration
10 17 (25.76%) Spring
11 16 (24.24%) Hibernate
11 16 (24.24%) Amazon AWS
11 16 (24.24%) AngularJS
12 13 (19.70%) Docker
12 13 (19.70%) Web Services
13 12 (18.18%) NoSQL
14 11 (16.67%) C#
14 11 (16.67%) MVC
14 11 (16.67%) Software Engineering
15 10 (15.15%) Ruby
15 10 (15.15%) Tomcat
15 10 (15.15%) .NET
15 10 (15.15%) OO
15 10 (15.15%) JBoss
15 10 (15.15%) Puppet
15 10 (15.15%) CSS3
15 10 (15.15%) Ansible
16 9 (13.64%) Concurrent Programming

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 10 (15.15%) JBoss
1 10 (15.15%) Tomcat
2 8 (12.12%) WebLogic
3 7 (10.61%) Jetty
3 7 (10.61%) WebSphere
4 3 (4.55%) Apache
4 3 (4.55%) Umbraco
5 2 (3.03%) Cloud Foundry
6 1 (1.52%) Drupal
6 1 (1.52%) JOnAS
Cloud Services
1 16 (24.24%) Amazon AWS
2 6 (9.09%) Amazon EC2
2 6 (9.09%) Microsoft Azure
3 4 (6.06%) Amazon S3
3 4 (6.06%) Amazon SQS
4 3 (4.55%) AWS CloudFormation
4 3 (4.55%) AWS Lambda
4 3 (4.55%) Serverless
5 2 (3.03%) GitHub
5 2 (3.03%) Virtual Private Cloud
Communications & Networking
1 7 (10.61%) AMQP
2 4 (6.06%) SMS
3 2 (3.03%) Internet
4 1 (1.52%) HTTP
Database & Business Intelligence
1 12 (18.18%) NoSQL
2 9 (13.64%) SQL Server
3 8 (12.12%) MongoDB
4 7 (10.61%) Couchbase
4 7 (10.61%) Hadoop
4 7 (10.61%) Redis
4 7 (10.61%) Riak
5 3 (4.55%) SQL Server 2014
6 2 (3.03%) PostgreSQL
7 1 (1.52%) Big Data
7 1 (1.52%) MySQL
7 1 (1.52%) Oracle Database
7 1 (1.52%) Oracle Database 10g
7 1 (1.52%) Oracle Database 11g
7 1 (1.52%) Oracle9i Database
7 1 (1.52%) Relational Database
Development Applications
1 9 (13.64%) Cucumber
1 9 (13.64%) Git (software)
1 9 (13.64%) Selenium
2 7 (10.61%) FitNesse
2 7 (10.61%) Vagrant
3 5 (7.58%) Jenkins
3 5 (7.58%) JIRA
3 5 (7.58%) Maven
4 3 (4.55%) JUnit
4 3 (4.55%) Mockito
4 3 (4.55%) Subversion
5 2 (3.03%) DbUnit
5 2 (3.03%) Grunt
5 2 (3.03%) gulp
5 2 (3.03%) JIRA Agile
5 2 (3.03%) jMock
5 2 (3.03%) NUnit
5 2 (3.03%) SonarQube
5 2 (3.03%) Team Foundation Server
6 1 (1.52%) Karma Test Runner
General
1 3 (4.55%) Banking
1 3 (4.55%) Finance
1 3 (4.55%) Games
2 2 (3.03%) Front Office
2 2 (3.03%) Investment Banking
2 2 (3.03%) Publishing
Job Titles
1 54 (81.82%) Developer
2 31 (46.97%) Java Developer
3 10 (15.15%) Lead Developer
3 10 (15.15%) Lead Java Developer
4 9 (13.64%) .NET Developer
5 6 (9.09%) Full Stack Developer
6 5 (7.58%) JavaScript Developer
7 4 (6.06%) AWS Developer
7 4 (6.06%) Scrum Master
7 4 (6.06%) Software Engineer
8 3 (4.55%) Agile Developer
8 3 (4.55%) Agile Java Developer
8 3 (4.55%) Agile Scrum Master
8 3 (4.55%) Angular Developer
8 3 (4.55%) ASP.NET MVC Developer
8 3 (4.55%) C# .NET Developer
8 3 (4.55%) C# Developer
8 3 (4.55%) Front End Developer (Client-Side Developer)
8 3 (4.55%) React Developer
8 3 (4.55%) Umbraco Developer
Libraries, Frameworks & Software Standards
1 29 (43.94%) HTML
2 24 (36.36%) HTML5
3 20 (30.30%) CSS
4 17 (25.76%) Spring
5 16 (24.24%) AngularJS
5 16 (24.24%) Hibernate
6 13 (19.70%) Web Services
7 10 (15.15%) .NET
7 10 (15.15%) CSS3
8 9 (13.64%) ASP.NET
9 8 (12.12%) JMS
9 8 (12.12%) JPA
9 8 (12.12%) React
10 7 (10.61%) ASP.NET MVC
10 7 (10.61%) Kafka
10 7 (10.61%) RabbitMQ
10 7 (10.61%) REST
10 7 (10.61%) TIBCO EMS
10 7 (10.61%) WebSphere MQ
11 6 (9.09%) RESTful
Miscellaneous
1 4 (6.06%) User Experience
2 3 (4.55%) Enterprise Software
3 2 (3.03%) Computer Science
3 2 (3.03%) Data Structures
3 2 (3.03%) Equities
3 2 (3.03%) Greenfield Project
3 2 (3.03%) Internet of Things
4 1 (1.52%) Foreign Exchange (FX)
4 1 (1.52%) Mobile App
Operating Systems
1 6 (9.09%) Linux
2 3 (4.55%) Unix
3 2 (3.03%) DC/OS
4 1 (1.52%) CentOS
4 1 (1.52%) Ubuntu
Processes & Methodologies
1 53 (80.30%) Agile Software Development
2 28 (42.42%) Scrum
3 22 (33.33%) BDD
4 18 (27.27%) Kanban
4 18 (27.27%) Test Automation
5 17 (25.76%) Continuous Integration
6 11 (16.67%) MVC
6 11 (16.67%) Software Engineering
7 10 (15.15%) OO
8 9 (13.64%) Concurrent Programming
8 9 (13.64%) Multithreading
9 8 (12.12%) RUP
10 7 (10.61%) Continuous Delivery
10 7 (10.61%) DSDM
10 7 (10.61%) Integration Testing
10 7 (10.61%) Mentoring
10 7 (10.61%) UML
11 6 (9.09%) Microservices
11 6 (9.09%) System Testing
12 5 (7.58%) Web Development
Programming Languages
1 38 (57.58%) Java
2 36 (54.55%) JavaScript
3 11 (16.67%) C#
4 10 (15.15%) Ruby
5 9 (13.64%) Python
6 7 (10.61%) Bash Shell
7 3 (4.55%) SQL
8 2 (3.03%) PHP
9 1 (1.52%) ES6
9 1 (1.52%) PL/SQL
9 1 (1.52%) T-SQL
9 1 (1.52%) XPath
9 1 (1.52%) XQuery
Qualifications
1 4 (6.06%) Degree
1 4 (6.06%) Security Cleared
2 3 (4.55%) BC Cleared
2 3 (4.55%) MCAD
2 3 (4.55%) MCSD
2 3 (4.55%) MCTS
2 3 (4.55%) Microsoft Certification
3 1 (1.52%) HND
3 1 (1.52%) SC Cleared
Quality Assurance & Compliance
1 7 (10.61%) QA
2 2 (3.03%) Disclosure Scotland
System Software
1 13 (19.70%) Docker
Systems Management
1 10 (15.15%) Ansible
1 10 (15.15%) Puppet
2 9 (13.64%) Opscode Chef
3 7 (10.61%) Cobbler
4 4 (6.06%) Business Desktop Deployment
5 2 (3.03%) Apache Brooklyn
5 2 (3.03%) Kubernetes
5 2 (3.03%) Marathon
5 2 (3.03%) Mesos
Vendors
1 7 (10.61%) IBM
1 7 (10.61%) TIBCO
2 5 (7.58%) Microsoft
3 3 (4.55%) Capita
4 2 (3.03%) Informatica
4 2 (3.03%) Oracle
5 1 (1.52%) Google