Period
to 20 August 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 20 August 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
20 Aug 2018
Same period 2017 Same period 2016
Rank 33 41 41
Rank change year-on-year +8 0 +6
Contract jobs citing TDD 140 83 108
As % of all contract IT jobs advertised in Edinburgh 4.79% 3.54% 4.10%
As % of the Processes & Methodologies category 5.45% 4.22% 4.79%
Number of daily rates quoted 91 62 61
Edinburgh median daily rate £430 £425 £355
Median daily rate % change year-on-year +1.18% +19.72% -8.97%
10th Percentile £350 £329 £320
90th Percentile £540 £625 £503
Scotland median daily rate £425 £413 £375
% change year-on-year +3.03% +10.00% -1.32%
Number of hourly rates quoted 0 0 0
Edinburgh median hourly rate - - -
Scotland median hourly rate - £35.00 -

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 2,571 1,967 2,253
As % of all contract IT jobs advertised in Edinburgh 88.05% 83.88% 85.63%
Number of daily rates quoted 1,416 1,157 1,285
Edinburgh median daily rate £413 £400 £400
Median daily rate % change year-on-year +3.13% - +6.67%
10th Percentile £276 £263 £270
90th Percentile £556 £550 £525
Scotland median daily rate £400 £388 £375
% change year-on-year +3.23% +3.33% +0.60%
Number of hourly rates quoted 22 19 17
Edinburgh median hourly rate £17.50 £18.00 £15.82
Median hourly rate % change year-on-year -2.78% +13.82% -14.51%
10th Percentile £10.75 £12.63 £10.91
90th Percentile £39.05 £43.39 £48.38
Scotland median hourly rate £18.13 £27.50 £36.00
% change year-on-year -34.09% -23.61% +37.30%

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 20 August 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 20 August 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 99 (70.71%) Agile Software Development
2 67 (47.86%) BDD
3 65 (46.43%) Scrum
4 63 (45.00%) Java
5 49 (35.00%) Git (software)
6 46 (32.86%) Continuous Integration
7 42 (30.00%) Python
8 39 (27.86%) Docker
9 38 (27.14%) Spring
10 37 (26.43%) JavaScript
11 35 (25.00%) Node.js
12 34 (24.29%) Jenkins
12 34 (24.29%) Amazon AWS
13 33 (23.57%) Finance
13 33 (23.57%) DevOps
14 32 (22.86%) Test Automation
15 30 (21.43%) Microservices
15 30 (21.43%) Kubernetes
16 28 (20.00%) CSS
17 26 (18.57%) Maven
18 25 (17.86%) Banking
18 25 (17.86%) HTML
19 24 (17.14%) React
20 23 (16.43%) npm
21 22 (15.71%) Kanban
22 20 (14.29%) REST
23 19 (13.57%) .NET
23 19 (13.57%) SQL
24 18 (12.86%) Selenium
24 18 (12.86%) Ansible

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 17 (12.14%) Cloud Foundry
2 11 (7.86%) JBoss
3 5 (3.57%) Confluence
4 3 (2.14%) Apache Spark
5 2 (1.43%) Apache
6 1 (0.71%) GeoServer
6 1 (0.71%) WebSphere
6 1 (0.71%) WebSphere Portal
Business Applications
1 2 (1.43%) Markit EDM
Cloud Services
1 34 (24.29%) Amazon AWS
2 23 (16.43%) npm
3 17 (12.14%) Google Cloud Platform
4 15 (10.71%) GitHub
5 13 (9.29%) Heroku
6 10 (7.14%) OpenShift
6 10 (7.14%) Yarn
7 9 (6.43%) IBM Cloud
8 4 (2.86%) Microsoft Azure
8 4 (2.86%) Tricentis Tosca
9 2 (1.43%) AWS CloudFormation
9 2 (1.43%) PaaS
10 1 (0.71%) AWS Lambda
10 1 (0.71%) Dynamics 365
10 1 (0.71%) IaaS
10 1 (0.71%) SaaS
10 1 (0.71%) Serverless
Communications & Networking
1 12 (8.57%) HTTP
2 1 (0.71%) VoIP
2 1 (0.71%) WEP
Database & Business Intelligence
1 14 (10.00%) PostgreSQL
1 14 (10.00%) SQL Server
2 9 (6.43%) Redis
3 7 (5.00%) MongoDB
4 6 (4.29%) Big Data
5 4 (2.86%) Amazon DynamoDB
5 4 (2.86%) Apache Cassandra
5 4 (2.86%) Couchbase
5 4 (2.86%) MySQL
5 4 (2.86%) NoSQL
6 3 (2.14%) Amazon Athena
6 3 (2.14%) Apache Hive
6 3 (2.14%) Hadoop
6 3 (2.14%) RDBMS
6 3 (2.14%) Relational Database
7 2 (1.43%) SQL Server 2014
8 1 (0.71%) Amazon Redshift
8 1 (0.71%) DB2
8 1 (0.71%) GIS
Development Applications
1 49 (35.00%) Git (software)
2 34 (24.29%) Jenkins
3 26 (18.57%) Maven
4 18 (12.86%) Selenium
5 17 (12.14%) Cucumber
6 16 (11.43%) JIRA
7 15 (10.71%) JUnit
8 14 (10.00%) GitLab
9 13 (9.29%) Ant
9 13 (9.29%) Gerrit
9 13 (9.29%) SonarQube
9 13 (9.29%) Sonatype Nexus
10 10 (7.14%) Bitbucket
11 9 (6.43%) Atlassian Bamboo
12 8 (5.71%) Babel
12 8 (5.71%) Mocha
12 8 (5.71%) webpack
13 7 (5.00%) Subversion
14 6 (4.29%) Team Foundation Server
14 6 (4.29%) Visual Studio
General
1 33 (23.57%) Finance
2 25 (17.86%) Banking
3 3 (2.14%) Games
4 2 (1.43%) Front Office
4 2 (1.43%) Retail
5 1 (0.71%) Corporate Banking
5 1 (0.71%) Digital Economy
5 1 (0.71%) Retail Banking
Job Titles
1 78 (55.71%) Developer
2 39 (27.86%) Java Developer
3 22 (15.71%) Senior Developer
4 17 (12.14%) DevOps Engineer
5 15 (10.71%) Senior Java Developer
6 13 (9.29%) Kubernetes Engineer
6 13 (9.29%) Senior DevOps
6 13 (9.29%) Senior DevOps Engineer
7 12 (8.57%) JavaScript Developer
8 11 (7.86%) React Developer
9 9 (6.43%) Scrum Master
9 9 (6.43%) Test Engineer
10 8 (5.71%) Test Automation Engineer
11 6 (4.29%) .NET Developer
11 6 (4.29%) Full Stack Developer
11 6 (4.29%) Node.js Developer
11 6 (4.29%) Python Developer
12 5 (3.57%) Analyst
12 5 (3.57%) Front End Developer (Client-Side Developer)
12 5 (3.57%) Tester
Libraries, Frameworks & Software Standards
1 38 (27.14%) Spring
2 35 (25.00%) Node.js
3 28 (20.00%) CSS
4 25 (17.86%) HTML
5 24 (17.14%) React
6 20 (14.29%) REST
7 19 (13.57%) .NET
8 17 (12.14%) Hibernate
9 13 (9.29%) Redux
10 12 (8.57%) gRPC
10 12 (8.57%) Web Services
11 11 (7.86%) ServiceStack
11 11 (7.86%) XML
12 10 (7.14%) PostGIS
12 10 (7.14%) SOAP
13 9 (6.43%) ASP.NET
13 9 (6.43%) Drools
13 9 (6.43%) HTML5
13 9 (6.43%) RESTful
14 8 (5.71%) Chai
Miscellaneous
1 13 (9.29%) iPad
2 11 (7.86%) User Experience
3 10 (7.14%) Fintech
4 6 (4.29%) Greenfield Project
5 5 (3.57%) Cloud Native
5 5 (3.57%) Public Cloud
6 4 (2.86%) Analytical Skills
6 4 (2.86%) DataPower
7 3 (2.14%) Self-Motivation
8 2 (1.43%) Data Structures
8 2 (1.43%) Equities
8 2 (1.43%) Mobile App
9 1 (0.71%) Data Centre
9 1 (0.71%) VxBlock/Vblock
Operating Systems
1 14 (10.00%) Linux
2 4 (2.86%) Android
3 3 (2.14%) Apple iOS
4 2 (1.43%) Unix
5 1 (0.71%) Windows
5 1 (0.71%) Windows Server
Processes & Methodologies
1 99 (70.71%) Agile Software Development
2 67 (47.86%) BDD
3 65 (46.43%) Scrum
4 46 (32.86%) Continuous Integration
5 33 (23.57%) DevOps
6 32 (22.86%) Test Automation
7 30 (21.43%) Microservices
8 22 (15.71%) Kanban
9 16 (11.43%) OO
10 15 (10.71%) SDLC
11 14 (10.00%) ATDD
11 14 (10.00%) E-Commerce
12 12 (8.57%) SOA
13 11 (7.86%) MVC
13 11 (7.86%) OOA/OOD
13 11 (7.86%) Software Engineering
14 10 (7.14%) Coaching
14 10 (7.14%) Data Modelling
14 10 (7.14%) Front End Development
15 9 (6.43%) Mentoring
Programming Languages
1 63 (45.00%) Java
2 42 (30.00%) Python
3 37 (26.43%) JavaScript
4 19 (13.57%) SQL
5 17 (12.14%) Ruby
6 15 (10.71%) Java 8
7 14 (10.00%) C#
8 13 (9.29%) Bash Shell
8 13 (9.29%) Groovy
9 8 (5.71%) ES6
10 4 (2.86%) PowerShell
11 2 (1.43%) TypeScript
11 2 (1.43%) VB.NET
12 1 (0.71%) ES7
12 1 (0.71%) T-SQL
Qualifications
1 3 (2.14%) Degree
1 3 (2.14%) Sun Certification
2 1 (0.71%) SC Cleared
2 1 (0.71%) Security Cleared
Quality Assurance & Compliance
1 13 (9.29%) GCP
2 9 (6.43%) QA
3 1 (0.71%) Disclosure Scotland
System Software
1 39 (27.86%) Docker
Systems Management
1 30 (21.43%) Kubernetes
2 18 (12.86%) Ansible
3 13 (9.29%) Consul
3 13 (9.29%) Mesos
4 6 (4.29%) Opscode Chef
4 6 (4.29%) Puppet
5 4 (2.86%) OpenView
5 4 (2.86%) SCOM
5 4 (2.86%) ZABBIX
6 3 (2.14%) Single Sign-On
7 1 (0.71%) Terraform
Vendors
1 17 (12.14%) IBM
2 11 (7.86%) Microsoft
3 9 (6.43%) Atlassian
4 6 (4.29%) Oracle
5 4 (2.86%) Google
5 4 (2.86%) HP
5 4 (2.86%) Red Hat
6 1 (0.71%) CA Agile Central
6 1 (0.71%) Charles River
6 1 (0.71%) Pega
6 1 (0.71%) Salesforce.com
6 1 (0.71%) Xamarin