Period
to 23 April 2018

The following table provides summary statistics for contract job vacancies advertised in Devon 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 April 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)
South West > Devon
6 months to
23 Apr 2018
Same period 2017 Same period 2016
Rank 23 50 27
Rank change year-on-year +27 -23 +16
Contract jobs citing TDD 36 6 33
As % of all contract IT jobs advertised in Devon 6.53% 1.17% 7.35%
As % of the Processes & Methodologies category 7.55% 1.38% 8.51%
Number of daily rates quoted 32 5 29
Devon median daily rate £406 £340 £350
Median daily rate % change year-on-year +19.49% -2.86% +12.00%
10th Percentile £283 £305 £292
90th Percentile £549 £498 £442
South West median daily rate £400 £375 £375
% change year-on-year +6.67% - -
Number of hourly rates quoted 0 0 0
Devon median hourly rate - - -
South West median hourly rate - - -

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 Devon with a requirement for process or methodology skills.

All Process and Methodology Skills
Devon
Contract vacancies with a requirement for process or methodology skills 477 434 388
As % of all contract IT jobs advertised in Devon 86.57% 84.60% 86.41%
Number of daily rates quoted 273 281 284
Devon median daily rate £413 £398 £375
Median daily rate % change year-on-year +3.77% +6.00% +4.17%
10th Percentile £276 £215 £275
90th Percentile £568 £545 £488
South West median daily rate £405 £400 £375
% change year-on-year +1.25% +6.67% -3.23%
Number of hourly rates quoted 34 19 18
Devon median hourly rate £35.75 £20.00 £37.00
Median hourly rate % change year-on-year +78.75% -45.95% +37.04%
10th Percentile £10.88 £11.00 £13.76
90th Percentile £47.50 £42.20 £45.25
South West median hourly rate £30.00 £38.50 £40.00
% change year-on-year -22.08% -3.75% +23.00%

TDD
Job Vacancy Trend in Devon

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

Job vacancy trend for TDD in Devon

TDD
Contractor Daily Rate Trend in Devon

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

Contractor daily rate trend for TDD in Devon

TDD
Contractor Daily Rate Histogram in Devon

The daily rate distribution of IT jobs citing TDD in Devon over the 6 months to 23 April 2018.

Contractor daily rate histogram for TDD in Devon

TDD
Contractor Hourly Rate Trend in Devon

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

Contractor hourly rate trend for TDD in Devon

TDD
Contract Job Locations in Devon

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing TDD within the Devon region over the 6 months to 23 April 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
Exeter +22 31 £413 - 5
Plymouth +10 1 - - 2
TDD
South West

For the 6 months to 23 April 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 Devon region with a requirement for TDD.

1 29 (80.56%) Agile Software Development
2 18 (50.00%) Continuous Integration
3 16 (44.44%) Unit Testing
3 16 (44.44%) JavaScript
4 15 (41.67%) Java
5 14 (38.89%) NUnit
5 14 (38.89%) Test Automation
5 14 (38.89%) BDD
6 13 (36.11%) RESTful
6 13 (36.11%) C#
7 12 (33.33%) .NET
7 12 (33.33%) Puppet
7 12 (33.33%) Git (software)
7 12 (33.33%) Amazon AWS
7 12 (33.33%) Ansible
8 11 (30.56%) SOLID
8 11 (30.56%) T-SQL
8 11 (30.56%) MVC
9 10 (27.78%) PostgreSQL
9 10 (27.78%) Docker
10 9 (25.00%) Configuration Management
10 9 (25.00%) Open Source
10 9 (25.00%) Jenkins
11 8 (22.22%) SaaS
11 8 (22.22%) Spring
11 8 (22.22%) Scrum
11 8 (22.22%) Web Services
11 8 (22.22%) OO
11 8 (22.22%) Python
11 8 (22.22%) DevOps

TDD
Co-occurring IT Skills in Devon 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 5 (13.89%) OpenStack
1 5 (13.89%) Tomcat
1 5 (13.89%) WebLogic
1 5 (13.89%) WebSphere
2 1 (2.78%) Confluence
Cloud Services
1 12 (33.33%) Amazon AWS
2 8 (22.22%) SaaS
3 5 (13.89%) Microsoft Azure
4 3 (8.33%) GitHub
4 3 (8.33%) npm
5 2 (5.56%) Trello
6 1 (2.78%) OpenShift
6 1 (2.78%) Yarn
Communications & Networking
1 7 (19.44%) Firewall
2 1 (2.78%) SMS
Database & Business Intelligence
1 10 (27.78%) PostgreSQL
2 7 (19.44%) SQL Server
3 6 (16.67%) MySQL
3 6 (16.67%) NoSQL
4 2 (5.56%) RDBMS
4 2 (5.56%) Redis
4 2 (5.56%) Relational Database
5 1 (2.78%) Data Warehouse
Development Applications
1 14 (38.89%) NUnit
2 12 (33.33%) Git (software)
3 9 (25.00%) Jenkins
4 7 (19.44%) JIRA
5 5 (13.89%) MSTest
6 3 (8.33%) Artifactory
6 3 (8.33%) Gradle
6 3 (8.33%) Jasmine
6 3 (8.33%) Karma Test Runner
6 3 (8.33%) Protractor
7 2 (5.56%) JUnit
7 2 (5.56%) Maven
7 2 (5.56%) PHPUnit
8 1 (2.78%) Bitbucket
8 1 (2.78%) Grunt
8 1 (2.78%) Hamcrest
8 1 (2.78%) IntelliJ
8 1 (2.78%) Selenium
8 1 (2.78%) TestNG
8 1 (2.78%) WebDriver
General
1 3 (8.33%) Retail
2 2 (5.56%) Advertising
2 2 (5.56%) Telecoms
3 1 (2.78%) Finance
3 1 (2.78%) Law
Job Titles
1 27 (75.00%) Developer
2 9 (25.00%) .NET Developer
2 9 (25.00%) Java Developer
3 7 (19.44%) Administrator
3 7 (19.44%) Systems Administrator
4 5 (13.89%) C# Developer
4 5 (13.89%) Full Stack Developer
5 4 (11.11%) Agile .NET Developer
5 4 (11.11%) Agile Developer
5 4 (11.11%) ASP.NET MVC Developer
5 4 (11.11%) C# .NET Developer
5 4 (11.11%) PHP Developer
6 2 (5.56%) Front End Developer (Client-Side Developer)
6 2 (5.56%) Linux Administrator
6 2 (5.56%) Linux Systems Administrator
6 2 (5.56%) Software Developer
6 2 (5.56%) Unix Administrator
6 2 (5.56%) Unix Systems Administrator
7 1 (2.78%) Software Engineer
7 1 (2.78%) Tester
Libraries, Frameworks & Software Standards
1 13 (36.11%) RESTful
2 12 (33.33%) .NET
3 8 (22.22%) Spring
3 8 (22.22%) Web Services
4 5 (13.89%) AngularJS
5 4 (11.11%) CSS
5 4 (11.11%) HTML
5 4 (11.11%) Sass
5 4 (11.11%) Spring Boot
6 3 (8.33%) Elastic Stack
6 3 (8.33%) Gherkin
6 3 (8.33%) Hibernate
6 3 (8.33%) LESS
6 3 (8.33%) YAML
7 2 (5.56%) Doctrine
7 2 (5.56%) Java EE
7 2 (5.56%) Node.js
8 1 (2.78%) ASP.NET Web API
8 1 (2.78%) React
8 1 (2.78%) Thymeleaf
Miscellaneous
1 1 (2.78%) Digital Media
1 1 (2.78%) Fintech
1 1 (2.78%) NHS
Operating Systems
1 7 (19.44%) Linux
2 3 (8.33%) Windows
3 2 (5.56%) Unix
Processes & Methodologies
1 29 (80.56%) Agile Software Development
2 18 (50.00%) Continuous Integration
3 16 (44.44%) Unit Testing
4 14 (38.89%) BDD
4 14 (38.89%) Test Automation
5 11 (30.56%) MVC
5 11 (30.56%) SOLID
6 9 (25.00%) Configuration Management
6 9 (25.00%) Open Source
7 8 (22.22%) DevOps
7 8 (22.22%) OO
7 8 (22.22%) Scrum
8 7 (19.44%) Web Design
9 6 (16.67%) Microservices
9 6 (16.67%) Server Hardening
10 5 (13.89%) Continuous Delivery
10 5 (13.89%) Digital Transformation Programme
11 3 (8.33%) Continuous Deployment
11 3 (8.33%) Continuous Improvement
11 3 (8.33%) SDLC
Programming Languages
1 16 (44.44%) JavaScript
2 15 (41.67%) Java
3 13 (36.11%) C#
4 11 (30.56%) T-SQL
5 8 (22.22%) Python
6 7 (19.44%) Ruby
6 7 (19.44%) Shell Script
7 6 (16.67%) Java 8
8 5 (13.89%) Groovy
9 4 (11.11%) PHP
10 3 (8.33%) ES6
10 3 (8.33%) TypeScript
11 2 (5.56%) SQL
12 1 (2.78%) Bash Shell
12 1 (2.78%) C
12 1 (2.78%) C++
Qualifications
1 7 (19.44%) Security Cleared
2 6 (16.67%) SC Cleared
Quality Assurance & Compliance
1 1 (2.78%) GDPR
1 1 (2.78%) PMO
1 1 (2.78%) QA
System Software
1 10 (27.78%) Docker
2 3 (8.33%) Active Directory
Systems Management
1 12 (33.33%) Ansible
1 12 (33.33%) Puppet
2 5 (13.89%) Opscode Chef
3 3 (8.33%) Nagios
4 1 (2.78%) SELinux
Vendors
1 5 (13.89%) Oracle
2 2 (5.56%) Atlassian
2 2 (5.56%) Microsoft
2 2 (5.56%) Zend