Period
to 23 November 2017

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 23 November 2017 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
23 Nov 2017
Same period 2016 Same period 2015
Rank 22 39 48
Rank change year-on-year +17 +9 -3
Contract jobs citing TDD 98 48 54
As % of all contract IT jobs advertised in Glasgow 7.53% 4.29% 3.17%
As % of the Processes & Methodologies category 8.76% 5.18% 3.89%
Number of daily rates quoted 64 19 24
Glasgow median daily rate £388 £370 £308
Median daily rate % change year-on-year +4.73% +20.33% -23.13%
10th Percentile £318 £225 £234
90th Percentile £525 £438 £436
Scotland median daily rate £400 £388 £375
% change year-on-year +3.23% +3.33% -3.23%
Number of hourly rates quoted 0 0 0
Glasgow median hourly rate - - -
Scotland median hourly rate £41.50 - £34.80

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 1119 926 1388
As % of all contract IT jobs advertised in Glasgow 85.94% 82.83% 81.50%
Number of daily rates quoted 608 489 737
Glasgow median daily rate £375 £350 £350
Median daily rate % change year-on-year +7.14% - -
10th Percentile £259 £215 £225
90th Percentile £500 £450 £475
Scotland median daily rate £390 £360 £375
% change year-on-year +8.33% -4.00% -
Number of hourly rates quoted 32 15 24
Glasgow median hourly rate £24.00 £21.00 £36.36
Median hourly rate % change year-on-year +14.29% -42.24% +96.51%
10th Percentile £13.00 £10.50 £12.35
90th Percentile £33.75 £44.65 £55.00
Scotland median hourly rate £24.50 £21.00 £25.00
% change year-on-year +16.67% -16.00% +11.11%

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 23 November 2017.

Contractor daily rate histogram for TDD in Glasgow

For the 6 months to 23 November 2017, IT contractor jobs citing TDD also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the Glasgow region with a requirement for TDD.

1 73 (74.49%) Agile Software Development
2 65 (66.33%) Java
3 54 (55.10%) JavaScript
4 38 (38.78%) BDD
5 36 (36.73%) HTML
6 33 (33.67%) Scrum
7 29 (29.59%) CSS
7 29 (29.59%) HTML5
8 27 (27.55%) Spring
9 25 (25.51%) Hibernate
10 23 (23.47%) AngularJS
11 22 (22.45%) Kanban
12 21 (21.43%) NoSQL
12 21 (21.43%) React
13 19 (19.39%) CSS3
13 19 (19.39%) Amazon AWS
13 19 (19.39%) Test Automation
14 18 (18.37%) Ruby
14 18 (18.37%) Continuous Integration
15 16 (16.33%) Web Services
15 16 (16.33%) Python
16 15 (15.31%) Node.js
16 15 (15.31%) Front End Development
17 14 (14.29%) gulp
17 14 (14.29%) Grunt
18 13 (13.27%) Sass
18 13 (13.27%) Ansible
18 13 (13.27%) C#
18 13 (13.27%) Software Engineering
19 12 (12.24%) SQL

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 (10.20%) JBoss
1 10 (10.20%) Tomcat
2 8 (8.16%) Jetty
2 8 (8.16%) WebLogic
3 7 (7.14%) WebSphere
4 3 (3.06%) Apache
4 3 (3.06%) Cloud Foundry
4 3 (3.06%) Umbraco
5 1 (1.02%) Confluence
5 1 (1.02%) Drupal
5 1 (1.02%) Mule
Applications
1 6 (6.12%) Photoshop
Cloud Services
1 19 (19.39%) Amazon AWS
2 9 (9.18%) Amazon EC2
3 7 (7.14%) Amazon S3
3 7 (7.14%) Amazon SQS
4 6 (6.12%) Microsoft Azure
5 4 (4.08%) GitHub
6 3 (3.06%) AWS CloudFormation
6 3 (3.06%) AWS Lambda
6 3 (3.06%) Serverless
7 2 (2.04%) Virtual Private Cloud
8 1 (1.02%) npm
8 1 (1.02%) Yarn
Communications & Networking
1 7 (7.14%) AMQP
2 3 (3.06%) SMS
3 2 (2.04%) Internet
4 1 (1.02%) HTTP
Database & Business Intelligence
1 21 (21.43%) NoSQL
2 10 (10.20%) MongoDB
3 8 (8.16%) Couchbase
3 8 (8.16%) Hadoop
3 8 (8.16%) Redis
3 8 (8.16%) Riak
4 7 (7.14%) SQL Server
5 4 (4.08%) Apache Cassandra
6 3 (3.06%) PostgreSQL
6 3 (3.06%) Relational Database
6 3 (3.06%) SQL Server 2014
7 2 (2.04%) Oracle Database
7 2 (2.04%) Oracle Database 10g
7 2 (2.04%) Oracle Database 11g
7 2 (2.04%) Oracle Database 12c
7 2 (2.04%) RDBMS
8 1 (1.02%) Big Data
8 1 (1.02%) DB2
8 1 (1.02%) KDB
8 1 (1.02%) Kdb+
Development Applications
1 14 (14.29%) Grunt
1 14 (14.29%) gulp
2 11 (11.22%) Jenkins
3 10 (10.20%) Cucumber
3 10 (10.20%) Git (software)
3 10 (10.20%) Selenium
4 9 (9.18%) Maven
5 8 (8.16%) Vagrant
6 7 (7.14%) FitNesse
6 7 (7.14%) JIRA
7 6 (6.12%) Subversion
8 4 (4.08%) Mercurial
9 3 (3.06%) JUnit
9 3 (3.06%) Karma Test Runner
10 2 (2.04%) Bower
10 2 (2.04%) Gradle
10 2 (2.04%) Jasmine
10 2 (2.04%) JMeter
10 2 (2.04%) Mockito
10 2 (2.04%) WebDriver
General
1 9 (9.18%) Finance
2 6 (6.12%) Electronics
2 6 (6.12%) Manufacturing
2 6 (6.12%) Marketing
2 6 (6.12%) Telecoms
3 5 (5.10%) Banking
4 3 (3.06%) Investment Banking
4 3 (3.06%) Publishing
5 2 (2.04%) Front Office
6 1 (1.02%) Private Banking
6 1 (1.02%) Retail
Job Titles
1 85 (86.73%) Developer
2 50 (51.02%) Java Developer
3 20 (20.41%) Lead Developer
4 13 (13.27%) Lead Java Developer
5 11 (11.22%) Front End Developer (Client-Side Developer)
6 8 (8.16%) AWS Developer
6 8 (8.16%) JavaScript Developer
7 6 (6.12%) .NET Developer
7 6 (6.12%) Full Stack Developer
8 5 (5.10%) Senior Developer
9 4 (4.08%) Cassandra Developer
9 4 (4.08%) Software Engineer
9 4 (4.08%) Web Developer
10 3 (3.06%) Agile Developer
10 3 (3.06%) Agile Java Developer
10 3 (3.06%) ASP.NET Developer
10 3 (3.06%) ASP.NET MVC Developer
10 3 (3.06%) C# .NET Developer
10 3 (3.06%) C# ASP.NET Developer
10 3 (3.06%) C# Developer
Libraries, Frameworks & Software Standards
1 36 (36.73%) HTML
2 29 (29.59%) CSS
2 29 (29.59%) HTML5
3 27 (27.55%) Spring
4 25 (25.51%) Hibernate
5 23 (23.47%) AngularJS
6 21 (21.43%) React
7 19 (19.39%) CSS3
8 16 (16.33%) Web Services
9 15 (15.31%) Node.js
10 13 (13.27%) Sass
11 11 (11.22%) Kafka
11 11 (11.22%) Redux
11 11 (11.22%) RESTful
12 10 (10.20%) jQuery
13 9 (9.18%) JMS
13 9 (9.18%) REST
14 8 (8.16%) .NET
14 8 (8.16%) JPA
14 8 (8.16%) Twitter Bootstrap
Miscellaneous
1 5 (5.10%) Greenfield Project
2 4 (4.08%) Foreign Exchange (FX)
2 4 (4.08%) User Experience
3 3 (3.06%) Equities
4 2 (2.04%) Computer Science
4 2 (2.04%) Data Structures
4 2 (2.04%) Internet of Things
5 1 (1.02%) Enterprise Software
5 1 (1.02%) Fixed Income
5 1 (1.02%) Virtual Team
Operating Systems
1 6 (6.12%) Linux
2 5 (5.10%) Unix
3 3 (3.06%) DC/OS
4 1 (1.02%) Android
4 1 (1.02%) CentOS
4 1 (1.02%) Ubuntu
Processes & Methodologies
1 73 (74.49%) Agile Software Development
2 38 (38.78%) BDD
3 33 (33.67%) Scrum
4 22 (22.45%) Kanban
5 19 (19.39%) Test Automation
6 18 (18.37%) Continuous Integration
7 15 (15.31%) Front End Development
8 13 (13.27%) Software Engineering
9 12 (12.24%) Concurrent Programming
9 12 (12.24%) Continuous Delivery
9 12 (12.24%) OO
10 8 (8.16%) DevOps
10 8 (8.16%) Multithreading
10 8 (8.16%) MVC
11 7 (7.14%) DSDM
11 7 (7.14%) Integration Testing
11 7 (7.14%) Mentoring
11 7 (7.14%) RUP
11 7 (7.14%) System Testing
11 7 (7.14%) UML
Programming Languages
1 65 (66.33%) Java
2 54 (55.10%) JavaScript
3 18 (18.37%) Ruby
4 16 (16.33%) Python
5 13 (13.27%) C#
6 12 (12.24%) SQL
7 10 (10.20%) Bash Shell
8 6 (6.12%) ECMAScript
9 5 (5.10%) ES6
9 5 (5.10%) PHP
10 4 (4.08%) PL/SQL
11 2 (2.04%) Perl
11 2 (2.04%) TypeScript
12 1 (1.02%) PowerShell
12 1 (1.02%) Scala
12 1 (1.02%) XPath
12 1 (1.02%) XQuery
Qualifications
1 4 (4.08%) Degree
1 4 (4.08%) Security Cleared
2 3 (3.06%) BC Cleared
2 3 (3.06%) MCAD
2 3 (3.06%) MCSD
2 3 (3.06%) MCTS
2 3 (3.06%) Microsoft Certification
3 1 (1.02%) HND
3 1 (1.02%) SC Cleared
Quality Assurance & Compliance
1 9 (9.18%) QA
2 1 (1.02%) Disclosure Scotland
System Software
1 12 (12.24%) Docker
2 1 (1.02%) VMware Infrastructure
Systems Management
1 13 (13.27%) Ansible
2 11 (11.22%) Puppet
3 10 (10.20%) Opscode Chef
4 8 (8.16%) Cobbler
5 3 (3.06%) Apache Brooklyn
5 3 (3.06%) Business Desktop Deployment
5 3 (3.06%) Kubernetes
5 3 (3.06%) Marathon
5 3 (3.06%) Mesos
6 1 (1.02%) HP Quality Center
Vendors
1 7 (7.14%) IBM
1 7 (7.14%) TIBCO
2 6 (6.12%) SAP
3 4 (4.08%) Microsoft
4 3 (3.06%) Oracle
5 2 (2.04%) Informatica
5 2 (2.04%) VMware
6 1 (1.02%) HP
6 1 (1.02%) Sybase
6 1 (1.02%) Twitter