Period
to 18 November 2018

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 18 November 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)
UK > Scotland
6 months to
18 Nov 2018
Same period 2017 Same period 2016
Rank 42 36 37
Rank change year-on-year -6 +1 +16
Contract jobs citing TDD 246 225 217
As % of all contract IT jobs advertised in Scotland 4.71% 4.52% 4.96%
As % of the Processes & Methodologies category 5.36% 5.30% 5.84%
Number of daily rates quoted 146 151 127
Scotland median daily rate £425 £400 £388
Median daily rate % change year-on-year +6.25% +3.23% +3.33%
10th Percentile £350 £298 £313
90th Percentile £534 £525 £538
UK median daily rate £500 £488 £450
% change year-on-year +2.56% +8.33% +2.86%
Number of hourly rates quoted 1 3 0
Scotland median hourly rate £35.00 £41.50 -
Median hourly rate % change year-on-year -15.66% - -
UK median hourly rate £41.25 £45.00 £42.50
% change year-on-year -8.33% +5.88% +6.25%

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 4,588 4,249 3,714
As % of all contract IT jobs advertised in Scotland 87.91% 85.36% 84.81%
Number of daily rates quoted 2,481 2,400 2,168
Scotland median daily rate £400 £390 £356
Median daily rate % change year-on-year +2.56% +9.55% -5.07%
10th Percentile £244 £250 £250
90th Percentile £550 £538 £488
UK median daily rate £460 £450 £425
% change year-on-year +2.22% +5.88% +3.03%
Number of hourly rates quoted 100 108 99
Scotland median hourly rate £24.75 £24.00 £21.00
Median hourly rate % change year-on-year +3.13% +14.29% -1.18%
10th Percentile £11.17 £12.30 £9.87
90th Percentile £48.88 £45.00 £43.00
UK median hourly rate £22.00 £23.14 £22.50
% change year-on-year -4.93% +2.84% +2.27%

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 18 November 2018.

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 18 November 2018. 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
Edinburgh +15 150 £438 +8.02% 37
Glasgow -28 73 £400 +3.23% 31
West Lothian +4 5 £390 +4.00% 1
Lothian - 3 - -
Dundee -9 2 £200 - 4
Moray - 1 £470 -
TDD
UK

For the 6 months to 18 November 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 Scotland region with a requirement for TDD.

1 179 (72.76%) Agile Software Development
2 155 (63.01%) Java
3 116 (47.15%) JavaScript
4 112 (45.53%) Scrum
5 106 (43.09%) BDD
6 103 (41.87%) Spring
7 90 (36.59%) HTML
8 86 (34.96%) Continuous Integration
9 81 (32.93%) CSS
10 72 (29.27%) Test Automation
11 71 (28.86%) Git (software)
12 69 (28.05%) Python
13 56 (22.76%) HTML5
14 55 (22.36%) Jenkins
15 51 (20.73%) React
16 50 (20.33%) Docker
17 48 (19.51%) Finance
18 45 (18.29%) Hibernate
18 45 (18.29%) Microservices
19 43 (17.48%) DevOps
20 42 (17.07%) Kanban
21 41 (16.67%) JUnit
22 39 (15.85%) Amazon AWS
23 37 (15.04%) Banking
24 35 (14.23%) Software Engineering
24 35 (14.23%) REST
25 34 (13.82%) .NET
25 34 (13.82%) OO
25 34 (13.82%) MVC
26 33 (13.41%) Oracle

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 21 (8.54%) JBoss
2 16 (6.50%) Tomcat
3 14 (5.69%) WebLogic
4 13 (5.28%) Jetty
5 11 (4.47%) WebSphere
6 9 (3.66%) Cloud Foundry
7 6 (2.44%) Apache Spark
8 5 (2.03%) Confluence
9 3 (1.22%) Apache Airflow
9 3 (1.22%) CMS
10 2 (0.81%) Apache
10 2 (0.81%) Drupal
10 2 (0.81%) Elasticsearch
10 2 (0.81%) NServiceBus
11 1 (0.41%) OpenStack
Applications
1 1 (0.41%) Microsoft Excel
1 1 (0.41%) Microsoft Office
1 1 (0.41%) MS Visio
Business Applications
1 2 (0.81%) Markit EDM
Cloud Services
1 39 (15.85%) Amazon AWS
2 19 (7.72%) npm
3 18 (7.32%) Yarn
4 11 (4.47%) OpenShift
5 9 (3.66%) Microsoft Azure
6 7 (2.85%) AWS CloudFormation
6 7 (2.85%) Google Cloud Platform
7 6 (2.44%) AWS Lambda
7 6 (2.44%) Serverless
8 4 (1.63%) Tricentis Tosca
9 3 (1.22%) Amazon EC2
9 3 (1.22%) PaaS
9 3 (1.22%) Virtual Private Cloud
10 2 (0.81%) GitHub
10 2 (0.81%) Heroku
11 1 (0.41%) Apple Pay
11 1 (0.41%) Google Pay
11 1 (0.41%) IaaS
11 1 (0.41%) NuGet
11 1 (0.41%) Samsung Pay
Communications & Networking
1 13 (5.28%) HTTP
2 9 (3.66%) AMQP
3 2 (0.81%) Bluetooth
3 2 (0.81%) NFC
4 1 (0.41%) VoIP
Database & Business Intelligence
1 33 (13.41%) MongoDB
2 28 (11.38%) NoSQL
3 27 (10.98%) SQL Server
4 22 (8.94%) PostgreSQL
5 21 (8.54%) Redis
6 18 (7.32%) Hadoop
6 18 (7.32%) Relational Database
7 16 (6.50%) Couchbase
8 13 (5.28%) RDBMS
9 12 (4.88%) Riak
10 10 (4.07%) DB2
11 8 (3.25%) Oracle Database
12 7 (2.85%) MySQL
12 7 (2.85%) Oracle Database 11g
13 6 (2.44%) Amazon Athena
13 6 (2.44%) Apache Hive
14 5 (2.03%) Oracle Database 10g
15 4 (1.63%) Amazon DynamoDB
15 4 (1.63%) Apache Cassandra
15 4 (1.63%) Big Data
Development Applications
1 71 (28.86%) Git (software)
2 55 (22.36%) Jenkins
3 41 (16.67%) JUnit
4 32 (13.01%) Maven
5 31 (12.60%) Selenium
6 27 (10.98%) Cucumber
6 27 (10.98%) JIRA
6 27 (10.98%) Subversion
7 19 (7.72%) webpack
8 16 (6.50%) Bitbucket
9 15 (6.10%) Babel
10 14 (5.69%) Mocha
11 13 (5.28%) Vagrant
12 11 (4.47%) Eclipse
12 11 (4.47%) FitNesse
12 11 (4.47%) Hudson
13 10 (4.07%) Team Foundation Server
14 9 (3.66%) Visual Studio
15 8 (3.25%) Atlassian Bamboo
16 7 (2.85%) TeamCity
General
1 48 (19.51%) Finance
2 37 (15.04%) Banking
3 9 (3.66%) Investment Banking
4 5 (2.03%) Games
5 4 (1.63%) Front Office
6 3 (1.22%) Retail
7 1 (0.41%) Retail Banking
Job Titles
1 179 (72.76%) Developer
2 89 (36.18%) Java Developer
3 42 (17.07%) Senior Developer
4 25 (10.16%) JavaScript Developer
5 22 (8.94%) Front End Developer (Client-Side Developer)
6 21 (8.54%) React Developer
7 16 (6.50%) Full Stack Developer
8 12 (4.88%) DevOps Engineer
9 11 (4.47%) Senior Front-End Developer
10 10 (4.07%) Senior Java Developer
10 10 (4.07%) Senior JavaScript Developer
11 8 (3.25%) .NET Developer
11 8 (3.25%) Software Developer
12 7 (2.85%) AWS DevOps
12 7 (2.85%) Data Engineer
12 7 (2.85%) Tester
13 6 (2.44%) Architect
13 6 (2.44%) AWS Engineer
13 6 (2.44%) Node.js Developer
13 6 (2.44%) Web Developer
Libraries, Frameworks & Software Standards
1 103 (41.87%) Spring
2 90 (36.59%) HTML
3 81 (32.93%) CSS
4 56 (22.76%) HTML5
5 51 (20.73%) React
6 45 (18.29%) Hibernate
7 35 (14.23%) REST
8 34 (13.82%) .NET
9 30 (12.20%) Node.js
10 25 (10.16%) Kafka
10 25 (10.16%) Redux
11 24 (9.76%) AngularJS
12 23 (9.35%) Apache Camel
13 22 (8.94%) JPA
14 21 (8.54%) Web Services
15 19 (7.72%) RESTful
16 17 (6.91%) jQuery
17 14 (5.69%) Enzyme
17 14 (5.69%) Spring Boot
18 13 (5.28%) Chai
Miscellaneous
1 18 (7.32%) User Experience
2 15 (6.10%) Greenfield Project
3 13 (5.28%) Analytical Skills
4 11 (4.47%) Mobile App
5 10 (4.07%) Cloud Native
5 10 (4.07%) Fintech
6 7 (2.85%) Public Cloud
7 6 (2.44%) Data Structures
8 4 (1.63%) Computer Science
8 4 (1.63%) Equities
8 4 (1.63%) Self-Motivation
9 3 (1.22%) Algorithms
9 3 (1.22%) DataPower
9 3 (1.22%) Enterprise Software
9 3 (1.22%) Smartphone
10 2 (0.81%) Digital Wallet
10 2 (0.81%) iPad
10 2 (0.81%) Private Cloud
11 1 (0.41%) Data Centre
Operating Systems
1 32 (13.01%) Linux
2 11 (4.47%) Unix
3 10 (4.07%) Android
4 7 (2.85%) Apple iOS
5 2 (0.81%) Windows
5 2 (0.81%) Windows Server
6 1 (0.41%) CentOS
6 1 (0.41%) Red Hat Enterprise Linux
Processes & Methodologies
1 179 (72.76%) Agile Software Development
2 112 (45.53%) Scrum
3 106 (43.09%) BDD
4 86 (34.96%) Continuous Integration
5 72 (29.27%) Test Automation
6 45 (18.29%) Microservices
7 43 (17.48%) DevOps
8 42 (17.07%) Kanban
9 35 (14.23%) Software Engineering
10 34 (13.82%) MVC
10 34 (13.82%) OO
11 32 (13.01%) Front End Development
11 32 (13.01%) Integration Testing
12 24 (9.76%) Mentoring
13 19 (7.72%) Refactoring
14 18 (7.32%) Analytics
14 18 (7.32%) Coaching
14 18 (7.32%) Data Modelling
15 17 (6.91%) Responsive Web Design
15 17 (6.91%) Unit Testing
Programming Languages
1 155 (63.01%) Java
2 116 (47.15%) JavaScript
3 69 (28.05%) Python
4 31 (12.60%) SQL
5 28 (11.38%) C#
6 21 (8.54%) Ruby
7 19 (7.72%) ES6
8 18 (7.32%) Java 8
9 13 (5.28%) Bash Shell
10 11 (4.47%) Perl
11 5 (2.03%) Kotlin
11 5 (2.03%) Shell Script
12 4 (1.63%) Apple Swift
12 4 (1.63%) PowerShell
12 4 (1.63%) Scala
12 4 (1.63%) TypeScript
13 2 (0.81%) Groovy
13 2 (0.81%) Java 9
13 2 (0.81%) PHP
13 2 (0.81%) VB.NET
Qualifications
1 15 (6.10%) Degree
2 11 (4.47%) Security Cleared
3 9 (3.66%) SC Cleared
4 1 (0.41%) ISEB
Quality Assurance & Compliance
1 13 (5.28%) QA
2 2 (0.81%) Disclosure Scotland
System Software
1 50 (20.33%) Docker
2 2 (0.81%) VMware Infrastructure
Systems Management
1 33 (13.41%) Ansible
2 24 (9.76%) Opscode Chef
3 22 (8.94%) Kubernetes
3 22 (8.94%) Puppet
4 13 (5.28%) Cobbler
5 4 (1.63%) OpenView
5 4 (1.63%) SCOM
5 4 (1.63%) ZABBIX
6 2 (0.81%) Consul
6 2 (0.81%) Kibana
6 2 (0.81%) logstash
6 2 (0.81%) Mesos
6 2 (0.81%) Single Sign-On
7 1 (0.41%) Terraform
Vendors
1 33 (13.41%) Oracle
2 14 (5.69%) IBM
2 14 (5.69%) Microsoft
3 10 (4.07%) TIBCO
4 8 (3.25%) Atlassian
4 8 (3.25%) Google
4 8 (3.25%) Informatica
5 5 (2.03%) VMware
6 4 (1.63%) HP
6 4 (1.63%) Red Hat
7 3 (1.22%) Twitter
8 2 (0.81%) RedGate
8 2 (0.81%) Sonatype
8 2 (0.81%) Sybase
9 1 (0.41%) Apple
9 1 (0.41%) CA Agile Central
9 1 (0.41%) Charles River
9 1 (0.41%) Samsung
9 1 (0.41%) TOWER Software