Period
to 17 October 2018

The following table provides summary statistics for contract job vacancies advertised in Edinburgh 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 17 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 > Edinburgh
6 months to
17 Oct 2018
Same period 2017 Same period 2016
Rank 32 47 23
Rank change year-on-year +15 -24 +26
Contract jobs citing TDD 148 104 143
As % of all contract IT jobs advertised in Edinburgh 4.98% 3.71% 6.16%
As % of the Processes & Methodologies category 5.61% 4.37% 7.21%
Number of daily rates quoted 89 76 87
Edinburgh median daily rate £438 £413 £400
Median daily rate % change year-on-year +6.06% +3.13% +3.23%
10th Percentile £350 £283 £320
90th Percentile £553 £623 £538
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
Edinburgh 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 Edinburgh with a requirement for process or methodology skills.

All Process and Methodology Skills
Edinburgh
Contract vacancies with a requirement for process or methodology skills 2,636 2,381 1,983
As % of all contract IT jobs advertised in Edinburgh 88.63% 84.88% 85.40%
Number of daily rates quoted 1,352 1,388 1,138
Edinburgh median daily rate £425 £400 £390
Median daily rate % change year-on-year +6.25% +2.56% +2.63%
10th Percentile £280 £263 £263
90th Percentile £575 £553 £525
Scotland median daily rate £400 £390 £355
% change year-on-year +2.56% +9.86% -5.33%
Number of hourly rates quoted 26 16 23
Edinburgh median hourly rate £21.25 £20.00 £19.50
Median hourly rate % change year-on-year +6.25% +2.56% +21.88%
10th Percentile £10.88 £11.20 £11.10
90th Percentile £44.01 £39.20 £47.45
Scotland median hourly rate £25.00 £26.88 £28.00
% change year-on-year -6.98% -4.02% +40.00%

TDD
Job Vacancy Trend in Edinburgh

Job postings citing TDD as a percentage of all IT jobs advertised in Edinburgh.

Job vacancy trend for TDD in Edinburgh

TDD
Contractor Daily Rate Trend in Edinburgh

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing TDD in Edinburgh.

Contractor daily rate trend for TDD in Edinburgh

TDD
Contractor Daily Rate Histogram in Edinburgh

The daily rate distribution of IT jobs citing TDD in Edinburgh over the 6 months to 17 October 2018.

Contractor daily rate histogram for TDD in Edinburgh

TDD
Contractor Hourly Rate Trend in Edinburgh

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing TDD in Edinburgh.

Contractor hourly rate trend for TDD in Edinburgh

For the 6 months to 17 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 Edinburgh region with a requirement for TDD.

1 105 (70.95%) Agile Software Development
2 79 (53.38%) Java
3 71 (47.97%) BDD
4 68 (45.95%) Scrum
5 61 (41.22%) JavaScript
6 57 (38.51%) Continuous Integration
7 49 (33.11%) Spring
8 47 (31.76%) CSS
9 45 (30.41%) HTML
10 44 (29.73%) Python
10 44 (29.73%) Git (software)
11 40 (27.03%) Test Automation
12 36 (24.32%) Microservices
13 35 (23.65%) Jenkins
14 34 (22.97%) DevOps
14 34 (22.97%) React
15 32 (21.62%) Docker
15 32 (21.62%) Node.js
15 32 (21.62%) Amazon AWS
16 31 (20.95%) Finance
17 30 (20.27%) Banking
18 25 (16.89%) HTML5
18 25 (16.89%) Kubernetes
19 24 (16.22%) Kanban
19 24 (16.22%) JUnit
20 23 (15.54%) .NET
20 23 (15.54%) REST
20 23 (15.54%) Front End Development
21 22 (14.86%) SQL
22 21 (14.19%) C#

TDD
Co-occurring IT Skills in Edinburgh 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 (6.76%) Cloud Foundry
2 7 (4.73%) JBoss
3 3 (2.03%) Apache Spark
4 2 (1.35%) Confluence
4 2 (1.35%) Elasticsearch
4 2 (1.35%) NServiceBus
5 1 (0.68%) Apache
5 1 (0.68%) CMS
5 1 (0.68%) WebSphere
5 1 (0.68%) WebSphere Portal
Business Applications
1 2 (1.35%) Markit EDM
Cloud Services
1 32 (21.62%) Amazon AWS
2 19 (12.84%) npm
3 13 (8.78%) Yarn
4 11 (7.43%) OpenShift
5 10 (6.76%) Google Cloud Platform
6 6 (4.05%) GitHub
6 6 (4.05%) Heroku
7 5 (3.38%) Microsoft Azure
8 4 (2.70%) AWS CloudFormation
8 4 (2.70%) Tricentis Tosca
9 3 (2.03%) AWS Lambda
9 3 (2.03%) Serverless
10 2 (1.35%) IBM Cloud
10 2 (1.35%) PaaS
11 1 (0.68%) Dynamics 365
11 1 (0.68%) IaaS
11 1 (0.68%) NuGet
11 1 (0.68%) SaaS
Communications & Networking
1 12 (8.11%) HTTP
2 1 (0.68%) VoIP
2 1 (0.68%) WEP
Database & Business Intelligence
1 20 (13.51%) SQL Server
2 17 (11.49%) PostgreSQL
3 13 (8.78%) MongoDB
4 9 (6.08%) NoSQL
4 9 (6.08%) Redis
5 4 (2.70%) Amazon DynamoDB
5 4 (2.70%) Apache Cassandra
5 4 (2.70%) Big Data
5 4 (2.70%) Couchbase
5 4 (2.70%) SQL Server 2014
6 3 (2.03%) Amazon Athena
6 3 (2.03%) Apache Hive
6 3 (2.03%) Hadoop
6 3 (2.03%) MySQL
6 3 (2.03%) RDBMS
6 3 (2.03%) Relational Database
7 1 (0.68%) DB2
Development Applications
1 44 (29.73%) Git (software)
2 35 (23.65%) Jenkins
3 24 (16.22%) JUnit
4 20 (13.51%) Maven
5 17 (11.49%) Selenium
6 16 (10.81%) JIRA
7 13 (8.78%) Cucumber
8 12 (8.11%) Subversion
9 10 (6.76%) Babel
9 10 (6.76%) Bitbucket
9 10 (6.76%) webpack
10 9 (6.08%) Atlassian Bamboo
10 9 (6.08%) Mocha
10 9 (6.08%) Team Foundation Server
10 9 (6.08%) Visual Studio
11 6 (4.05%) Ant
11 6 (4.05%) Gerrit
11 6 (4.05%) GitLab
11 6 (4.05%) Protractor
11 6 (4.05%) SonarQube
General
1 31 (20.95%) Finance
2 30 (20.27%) Banking
3 6 (4.05%) Games
4 4 (2.70%) Front Office
5 1 (0.68%) Investment Banking
5 1 (0.68%) Retail Banking
Job Titles
1 93 (62.84%) Developer
2 36 (24.32%) Java Developer
3 29 (19.59%) Senior Developer
4 18 (12.16%) JavaScript Developer
5 15 (10.14%) React Developer
6 13 (8.78%) DevOps Engineer
6 13 (8.78%) Front End Developer (Client-Side Developer)
7 11 (7.43%) Full Stack Developer
8 10 (6.76%) Senior Java Developer
9 8 (5.41%) .NET Developer
9 8 (5.41%) Node.js Developer
9 8 (5.41%) Scrum Master
9 8 (5.41%) Tester
10 7 (4.73%) AWS DevOps
10 7 (4.73%) Senior Front-End Developer
10 7 (4.73%) Senior JavaScript Developer
10 7 (4.73%) Software Developer
11 6 (4.05%) AWS Engineer
11 6 (4.05%) Kubernetes Engineer
11 6 (4.05%) Senior DevOps
Libraries, Frameworks & Software Standards
1 49 (33.11%) Spring
2 47 (31.76%) CSS
3 45 (30.41%) HTML
4 34 (22.97%) React
5 32 (21.62%) Node.js
6 25 (16.89%) HTML5
7 23 (15.54%) .NET
7 23 (15.54%) REST
8 16 (10.81%) Redux
9 15 (10.14%) Apache Camel
10 14 (9.46%) AngularJS
11 13 (8.78%) Hibernate
12 12 (8.11%) ASP.NET
12 12 (8.11%) gRPC
13 11 (7.43%) jQuery
13 11 (7.43%) ServiceStack
14 10 (6.76%) RESTful
15 9 (6.08%) Chai
15 9 (6.08%) Enzyme
16 8 (5.41%) Sass
Miscellaneous
1 14 (9.46%) User Experience
2 10 (6.76%) Fintech
3 7 (4.73%) Greenfield Project
4 6 (4.05%) Cloud Native
4 6 (4.05%) iPad
4 6 (4.05%) Public Cloud
5 5 (3.38%) Data Structures
6 4 (2.70%) Analytical Skills
6 4 (2.70%) DataPower
6 4 (2.70%) Equities
7 2 (1.35%) Mobile App
8 1 (0.68%) Algorithms
8 1 (0.68%) Data Centre
8 1 (0.68%) Enterprise Software
8 1 (0.68%) VxBlock/Vblock
Operating Systems
1 20 (13.51%) Linux
2 5 (3.38%) Android
3 4 (2.70%) Unix
4 3 (2.03%) Apple iOS
5 1 (0.68%) Windows
5 1 (0.68%) Windows Server
Processes & Methodologies
1 105 (70.95%) Agile Software Development
2 71 (47.97%) BDD
3 68 (45.95%) Scrum
4 57 (38.51%) Continuous Integration
5 40 (27.03%) Test Automation
6 36 (24.32%) Microservices
7 34 (22.97%) DevOps
8 24 (16.22%) Kanban
9 23 (15.54%) Front End Development
10 21 (14.19%) MVC
11 18 (12.16%) Mentoring
11 18 (12.16%) OO
12 17 (11.49%) Integration Testing
13 16 (10.81%) Coaching
13 16 (10.81%) Software Engineering
14 15 (10.14%) ATDD
15 12 (8.11%) Data Modelling
15 12 (8.11%) OOA/OOD
16 10 (6.76%) Unit Testing
16 10 (6.76%) User Stories
Programming Languages
1 79 (53.38%) Java
2 61 (41.22%) JavaScript
3 44 (29.73%) Python
4 22 (14.86%) SQL
5 21 (14.19%) C#
6 12 (8.11%) Java 8
6 12 (8.11%) Ruby
7 10 (6.76%) ES6
8 6 (4.05%) Bash Shell
8 6 (4.05%) Groovy
9 5 (3.38%) Perl
10 4 (2.70%) PowerShell
10 4 (2.70%) TypeScript
11 2 (1.35%) VB.NET
12 1 (0.68%) ES7
12 1 (0.68%) Kotlin
12 1 (0.68%) T-SQL
Qualifications
1 8 (5.41%) Degree
1 8 (5.41%) Security Cleared
2 7 (4.73%) SC Cleared
3 1 (0.68%) ISEB
Quality Assurance & Compliance
1 4 (2.70%) QA
2 1 (0.68%) Disclosure Scotland
System Software
1 32 (21.62%) Docker
2 1 (0.68%) VMware Infrastructure
Systems Management
1 25 (16.89%) Kubernetes
2 19 (12.84%) Ansible
3 9 (6.08%) Opscode Chef
4 7 (4.73%) Puppet
5 6 (4.05%) Consul
5 6 (4.05%) Mesos
6 4 (2.70%) OpenView
6 4 (2.70%) SCOM
6 4 (2.70%) ZABBIX
7 2 (1.35%) Kibana
7 2 (1.35%) logstash
7 2 (1.35%) Single Sign-On
8 1 (0.68%) Terraform
Vendors
1 13 (8.78%) Microsoft
2 10 (6.76%) IBM
3 9 (6.08%) Atlassian
3 9 (6.08%) Oracle
4 4 (2.70%) Google
4 4 (2.70%) HP
4 4 (2.70%) Red Hat
5 2 (1.35%) RedGate
5 2 (1.35%) VMware
6 1 (0.68%) Charles River
6 1 (0.68%) TOWER Software
6 1 (0.68%) Xamarin