Period
to 21 January 2019

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 21 January 2019 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
21 Jan 2019
Same period 2018 Same period 2017
Rank 41 38 37
Rank change year-on-year -3 -1 +14
Contract jobs citing TDD 231 221 190
As % of all contract IT jobs advertised in Scotland 4.92% 4.70% 5.08%
As % of the Processes & Methodologies category 5.60% 5.44% 5.97%
Number of daily rates quoted 146 153 113
Scotland median daily rate £444 £400 £400
Median daily rate % change year-on-year +10.94% - +7.38%
10th Percentile £355 £258 £320
90th Percentile £544 £575 £538
UK median daily rate £513 £488 £458
% change year-on-year +5.13% +6.56% +1.67%
Number of hourly rates quoted 1 2 0
Scotland median hourly rate £35.00 £41.50 -
Median hourly rate % change year-on-year -15.66% - -
UK median hourly rate £45.00 £45.00 £42.50
% change year-on-year - +5.88% +8.97%

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 4,123 4,063 3,182
As % of all contract IT jobs advertised in Scotland 87.84% 86.37% 85.01%
Number of daily rates quoted 2,266 2,354 1,853
Scotland median daily rate £413 £400 £375
Median daily rate % change year-on-year +3.13% +6.67% -
10th Percentile £244 £250 £244
90th Percentile £563 £547 £500
UK median daily rate £475 £450 £425
% change year-on-year +5.56% +5.88% +1.19%
Number of hourly rates quoted 99 88 106
Scotland median hourly rate £24.50 £21.00 £21.25
Median hourly rate % change year-on-year +16.67% -1.18% +1.19%
10th Percentile £12.16 £11.22 £10.25
90th Percentile £44.32 £38.96 £52.00
UK median hourly rate £23.49 £23.08 £23.28
% change year-on-year +1.80% -0.86% +1.20%

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 21 January 2019.

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 21 January 2019. 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 +9 124 £450 +12.50% 27
Glasgow -1 91 £425 +9.68% 22
West Lothian +5 5 £305 -18.67% 3
Lothian - 3 - -
Dundee -7 1 £200 -11.11% 2
Inverclyde - 1 - -
Stirling - 1 - -
TDD
UK

For the 6 months to 21 January 2019, 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.

1 159 (68.83%) Agile Software Development
2 139 (60.17%) Java
3 105 (45.45%) BDD
4 99 (42.86%) JavaScript
5 95 (41.13%) Spring
5 95 (41.13%) Scrum
6 88 (38.10%) HTML
7 82 (35.50%) CSS
8 78 (33.77%) Continuous Integration
9 73 (31.60%) Test Automation
10 56 (24.24%) HTML5
11 54 (23.38%) Banking
12 53 (22.94%) Web Services
12 53 (22.94%) Git (software)
13 52 (22.51%) REST
13 52 (22.51%) MVC
14 50 (21.65%) Jenkins
15 48 (20.78%) Unit Testing
16 42 (18.18%) Python
17 40 (17.32%) JSON
18 39 (16.88%) Finance
18 39 (16.88%) React
19 37 (16.02%) Kanban
20 36 (15.58%) Integration Testing
20 36 (15.58%) Front End Development
20 36 (15.58%) AngularJS
20 36 (15.58%) Mentoring
21 34 (14.72%) Oracle
21 34 (14.72%) SQL
22 31 (13.42%) Apache Camel

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 12 (5.19%) JBoss
2 9 (3.90%) Tomcat
3 7 (3.03%) WebSphere
4 6 (2.60%) Cloud Foundry
4 6 (2.60%) Confluence
4 6 (2.60%) WebLogic
5 5 (2.16%) Jetty
6 3 (1.30%) Apache Airflow
6 3 (1.30%) CMS
6 3 (1.30%) NServiceBus
7 2 (0.87%) Apache
7 2 (0.87%) Drupal
7 2 (0.87%) Elasticsearch
8 1 (0.43%) OpenStack
Applications
1 1 (0.43%) Microsoft Excel
1 1 (0.43%) Microsoft Office
1 1 (0.43%) MS Visio
Cloud Services
1 26 (11.26%) Amazon AWS
2 8 (3.46%) AWS CloudFormation
2 8 (3.46%) AWS Lambda
2 8 (3.46%) Serverless
2 8 (3.46%) Yarn
3 7 (3.03%) OpenShift
4 6 (2.60%) npm
5 4 (1.73%) Microsoft Azure
6 3 (1.30%) Amazon EC2
6 3 (1.30%) Virtual Private Cloud
7 2 (0.87%) BrowserStack
7 2 (0.87%) SaaS
7 2 (0.87%) Sauce Labs
8 1 (0.43%) Apple Pay
8 1 (0.43%) Google Cloud Platform
8 1 (0.43%) Google Pay
8 1 (0.43%) NuGet
8 1 (0.43%) Samsung Pay
Communications & Networking
1 2 (0.87%) AMQP
1 2 (0.87%) Bluetooth
1 2 (0.87%) NFC
2 1 (0.43%) HTTP
2 1 (0.43%) WEP
Database & Business Intelligence
1 20 (8.66%) MongoDB
2 17 (7.36%) SQL Server
3 14 (6.06%) PostgreSQL
4 13 (5.63%) NoSQL
5 10 (4.33%) Oracle Database
6 9 (3.90%) Oracle Database 11g
6 9 (3.90%) RDBMS
6 9 (3.90%) Relational Database
7 7 (3.03%) DB2
8 5 (2.16%) Oracle Database 10g
9 4 (1.73%) Oracle Database 12c
10 3 (1.30%) Couchbase
10 3 (1.30%) Hadoop
10 3 (1.30%) Redis
10 3 (1.30%) Riak
11 2 (0.87%) SQL Server 2014
12 1 (0.43%) Azure SQL Database
12 1 (0.43%) Big Data
12 1 (0.43%) MySQL
Development Applications
1 53 (22.94%) Git (software)
2 50 (21.65%) Jenkins
3 26 (11.26%) Selenium
4 22 (9.52%) Subversion
5 21 (9.09%) Cucumber
6 20 (8.66%) JUnit
7 19 (8.23%) JIRA
8 18 (7.79%) Eclipse
9 16 (6.93%) Maven
10 12 (5.19%) Android Studio
11 11 (4.76%) Hudson
11 11 (4.76%) Xcode
12 10 (4.33%) webpack
13 7 (3.03%) Babel
13 7 (3.03%) FitNesse
13 7 (3.03%) Gradle
14 6 (2.60%) fastlane
14 6 (2.60%) Mocha
15 5 (2.16%) TeamCity
15 5 (2.16%) Vagrant
General
1 54 (23.38%) Banking
2 39 (16.88%) Finance
3 11 (4.76%) Investment Banking
4 9 (3.90%) Games
5 2 (0.87%) Front Office
6 1 (0.43%) Financial Institution
6 1 (0.43%) Marketing
6 1 (0.43%) Pharmaceutical
6 1 (0.43%) Retail
6 1 (0.43%) Retail Banking
Job Titles
1 183 (79.22%) Developer
2 67 (29.00%) Java Developer
3 54 (23.38%) Senior Developer
4 25 (10.82%) Front End Developer (Client-Side Developer)
5 21 (9.09%) iOS Developer
5 21 (9.09%) JavaScript Developer
6 16 (6.93%) React Developer
7 14 (6.06%) Senior Front-End Developer
8 13 (5.63%) Android Developer
8 13 (5.63%) Full Stack Developer
8 13 (5.63%) Senior Java Developer
8 13 (5.63%) Senior JavaScript Developer
9 11 (4.76%) Objective-C Developer
10 10 (4.33%) DevOps Engineer
10 10 (4.33%) Scrum Master
11 9 (3.90%) AWS Engineer
12 8 (3.46%) AWS DevOps
12 8 (3.46%) AWS DevOps Engineer
13 7 (3.03%) .NET Developer
13 7 (3.03%) Web Developer
Libraries, Frameworks & Software Standards
1 95 (41.13%) Spring
2 88 (38.10%) HTML
3 82 (35.50%) CSS
4 56 (24.24%) HTML5
5 53 (22.94%) Web Services
6 52 (22.51%) REST
7 40 (17.32%) JSON
8 39 (16.88%) React
9 36 (15.58%) AngularJS
10 31 (13.42%) Apache Camel
11 27 (11.69%) XML
12 26 (11.26%) Hibernate
13 20 (8.66%) RESTful
14 18 (7.79%) .NET
15 17 (7.36%) jQuery
16 14 (6.06%) Java EE
17 13 (5.63%) Sass
17 13 (5.63%) SOAP
18 12 (5.19%) Android SDK
18 12 (5.19%) Redux
Miscellaneous
1 29 (12.55%) Greenfield Project
2 20 (8.66%) Mobile Banking
3 16 (6.93%) Mobile App
4 12 (5.19%) User Experience
5 9 (3.90%) Analytical Skills
6 6 (2.60%) Enterprise Software
7 5 (2.16%) Public Cloud
7 5 (2.16%) Self-Motivation
8 4 (1.73%) Cloud Native
8 4 (1.73%) Private Cloud
9 3 (1.30%) Data Structures
9 3 (1.30%) Smartphone
9 3 (1.30%) Virtual Team
10 2 (0.87%) Algorithms
10 2 (0.87%) Digital Wallet
10 2 (0.87%) Equities
11 1 (0.43%) Fintech
Operating Systems
1 30 (12.99%) Linux
2 22 (9.52%) Android
3 21 (9.09%) Apple iOS
4 5 (2.16%) Unix
5 2 (0.87%) Windows
5 2 (0.87%) Windows Server
Processes & Methodologies
1 159 (68.83%) Agile Software Development
2 105 (45.45%) BDD
3 95 (41.13%) Scrum
4 78 (33.77%) Continuous Integration
5 73 (31.60%) Test Automation
6 52 (22.51%) MVC
7 48 (20.78%) Unit Testing
8 37 (16.02%) Kanban
9 36 (15.58%) Front End Development
9 36 (15.58%) Integration Testing
9 36 (15.58%) Mentoring
10 28 (12.12%) DevOps
11 24 (10.39%) Software Engineering
12 23 (9.96%) MVVM
13 21 (9.09%) iOS Development
13 21 (9.09%) Refactoring
14 20 (8.66%) Coaching
15 19 (8.23%) Android Development
16 17 (7.36%) Microservices
17 15 (6.49%) Multithreading
Programming Languages
1 139 (60.17%) Java
2 99 (42.86%) JavaScript
3 42 (18.18%) Python
4 34 (14.72%) SQL
5 21 (9.09%) Apple Swift
6 20 (8.66%) C#
7 18 (7.79%) Java 8
8 17 (7.36%) Objective-C
9 15 (6.49%) Ruby
10 12 (5.19%) Perl
11 11 (4.76%) ES6
12 4 (1.73%) Bash Shell
13 3 (1.30%) Java 9
13 3 (1.30%) PHP
13 3 (1.30%) Scala
13 3 (1.30%) TypeScript
14 1 (0.43%) Kotlin
14 1 (0.43%) PL/SQL
14 1 (0.43%) T-SQL
14 1 (0.43%) VB.NET
Qualifications
1 25 (10.82%) Degree
2 18 (7.79%) Security Cleared
3 14 (6.06%) SC Cleared
4 1 (0.43%) ISEB
Quality Assurance & Compliance
1 6 (2.60%) QA
2 3 (1.30%) Disclosure Scotland
System Software
1 25 (10.82%) Docker
2 2 (0.87%) VMware Infrastructure
Systems Management
1 19 (8.23%) Ansible
2 12 (5.19%) Opscode Chef
3 10 (4.33%) Puppet
4 5 (2.16%) Cobbler
5 4 (1.73%) Kubernetes
6 3 (1.30%) Rancher
7 2 (0.87%) Kibana
7 2 (0.87%) logstash
7 2 (0.87%) Single Sign-On
Vendors
1 34 (14.72%) Oracle
2 7 (3.03%) Apple
3 5 (2.16%) TIBCO
3 5 (2.16%) VMware
4 4 (1.73%) Google
4 4 (1.73%) IBM
5 3 (1.30%) Atlassian
5 3 (1.30%) Charles River
5 3 (1.30%) Microsoft
5 3 (1.30%) Sybase
6 2 (0.87%) Informatica
6 2 (0.87%) RedGate
7 1 (0.43%) CA Agile Central
7 1 (0.43%) Samsung
7 1 (0.43%) TOWER Software
7 1 (0.43%) Twitter