Period
to 18 July 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 18 July 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
18 Jul 2018
Same period 2017 Same period 2016
Rank 18 58 26
Rank change year-on-year +40 -32 +14
Contract jobs citing TDD 39 7 21
As % of all contract IT jobs advertised in Devon 7.88% 1.08% 5.07%
As % of the Processes & Methodologies category 9.18% 1.28% 6.25%
Number of daily rates quoted 30 6 16
Devon median daily rate £345 £376 £318
Median daily rate % change year-on-year -8.31% +18.50% -24.40%
10th Percentile £263 £307 £278
90th Percentile £523 £494 £416
South West median daily rate £400 £400 £375
% change year-on-year - +6.67% -2.28%
Number of hourly rates quoted 0 0 2
Devon median hourly rate - - £37.50
South West median hourly rate - - £37.50

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 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 425 545 336
As % of all contract IT jobs advertised in Devon 85.86% 84.37% 81.16%
Number of daily rates quoted 219 353 210
Devon median daily rate £380 £400 £361
Median daily rate % change year-on-year -5.00% +10.88% +3.07%
10th Percentile £279 £271 £250
90th Percentile £538 £525 £488
South West median daily rate £413 £390 £375
% change year-on-year +5.77% +4.00% -
Number of hourly rates quoted 27 20 27
Devon median hourly rate £17.50 £35.00 £40.00
Median hourly rate % change year-on-year -50.00% -12.50% +142.42%
10th Percentile £9.82 £11.62 £13.90
90th Percentile £43.75 £45.13 £51.50
South West median hourly rate £40.00 £40.00 £39.00
% change year-on-year - +2.56% +11.43%

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 18 July 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 18 July 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 - 30 £327 - 9
Plymouth +25 2 £500 +47.06%
TDD
South West

For the 6 months to 18 July 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 33 (84.62%) Agile Software Development
2 25 (64.10%) BDD
3 23 (58.97%) JavaScript
4 18 (46.15%) NUnit
5 17 (43.59%) C#
5 17 (43.59%) Test Automation
5 17 (43.59%) Continuous Integration
6 15 (38.46%) T-SQL
6 15 (38.46%) .NET
7 14 (35.90%) Java
7 14 (35.90%) Amazon AWS
8 12 (30.77%) Microsoft Azure
8 12 (30.77%) Unit Testing
9 11 (28.21%) RESTful
9 11 (28.21%) MVC
10 10 (25.64%) SQL Server
11 9 (23.08%) Web Services
11 9 (23.08%) Scrum
12 8 (20.51%) Web Design
12 8 (20.51%) PostgreSQL
12 8 (20.51%) SQL
12 8 (20.51%) Python
12 8 (20.51%) SOLID
13 7 (17.95%) GCP
13 7 (17.95%) Puppet
13 7 (17.95%) Integration Testing
13 7 (17.95%) SaaS
13 7 (17.95%) Ansible
13 7 (17.95%) Google Cloud Platform
14 6 (15.38%) Continuous Delivery

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 (12.82%) OpenStack
1 5 (12.82%) Tomcat
1 5 (12.82%) WebLogic
1 5 (12.82%) WebSphere
Cloud Services
1 14 (35.90%) Amazon AWS
2 12 (30.77%) Microsoft Azure
3 7 (17.95%) Google Cloud Platform
3 7 (17.95%) SaaS
4 2 (5.13%) GitHub
4 2 (5.13%) Trello
5 1 (2.56%) npm
Communications & Networking
1 2 (5.13%) Firewall
Database & Business Intelligence
1 10 (25.64%) SQL Server
2 8 (20.51%) PostgreSQL
3 6 (15.38%) MySQL
3 6 (15.38%) NoSQL
4 2 (5.13%) RDBMS
4 2 (5.13%) Relational Database
5 1 (2.56%) Data Warehouse
5 1 (2.56%) Redis
Development Applications
1 18 (46.15%) NUnit
2 6 (15.38%) Git (software)
3 5 (12.82%) MSTest
4 3 (7.69%) Jenkins
4 3 (7.69%) JIRA
5 1 (2.56%) Artifactory
5 1 (2.56%) Gradle
5 1 (2.56%) Grunt
5 1 (2.56%) gulp
5 1 (2.56%) JUnit
5 1 (2.56%) Maven
5 1 (2.56%) PHPUnit
5 1 (2.56%) Selenium
5 1 (2.56%) TestNG
5 1 (2.56%) WebDriver
5 1 (2.56%) webpack
General
1 6 (15.38%) Telecoms
2 4 (10.26%) Finance
3 2 (5.13%) Retail
4 1 (2.56%) Advertising
4 1 (2.56%) Law
Job Titles
1 37 (94.87%) Developer
2 10 (25.64%) .NET Developer
2 10 (25.64%) Java Developer
3 8 (20.51%) C# Developer
4 6 (15.38%) C# .NET Developer
5 5 (12.82%) ASP.NET MVC Developer
5 5 (12.82%) Full Stack Developer
6 4 (10.26%) JavaScript Developer
6 4 (10.26%) Software Developer
6 4 (10.26%) Software Tester
6 4 (10.26%) Tester
7 3 (7.69%) Front End Developer (Client-Side Developer)
7 3 (7.69%) PHP Developer
7 3 (7.69%) Python Developer
7 3 (7.69%) Senior Developer
8 2 (5.13%) Administrator
8 2 (5.13%) Agile .NET Developer
8 2 (5.13%) Agile Developer
8 2 (5.13%) React Developer
8 2 (5.13%) Systems Administrator
Libraries, Frameworks & Software Standards
1 15 (38.46%) .NET
2 11 (28.21%) RESTful
3 9 (23.08%) Web Services
4 6 (15.38%) Spring
5 4 (10.26%) CSS
5 4 (10.26%) CSS3
5 4 (10.26%) HTML
5 4 (10.26%) HTML5
5 4 (10.26%) jQuery
5 4 (10.26%) React
6 3 (7.69%) Ajax
6 3 (7.69%) JSON
7 2 (5.13%) ASP.NET
7 2 (5.13%) ASP.NET Web API
7 2 (5.13%) Doctrine
7 2 (5.13%) Redux
7 2 (5.13%) Sass
8 1 (2.56%) .NET Core
8 1 (2.56%) Elastic Stack
8 1 (2.56%) Spring Boot
Miscellaneous
1 5 (12.82%) Digital Media
2 3 (7.69%) Mobile App
3 2 (5.13%) User Experience
4 1 (2.56%) NHS
Operating Systems
1 2 (5.13%) Linux
2 1 (2.56%) Unix
2 1 (2.56%) Windows
Processes & Methodologies
1 33 (84.62%) Agile Software Development
2 25 (64.10%) BDD
3 17 (43.59%) Continuous Integration
3 17 (43.59%) Test Automation
4 12 (30.77%) Unit Testing
5 11 (28.21%) MVC
6 9 (23.08%) Scrum
7 8 (20.51%) SOLID
7 8 (20.51%) Web Design
8 7 (17.95%) Integration Testing
9 6 (15.38%) Continuous Delivery
9 6 (15.38%) Microservices
9 6 (15.38%) OO
10 5 (12.82%) Digital Transformation Programme
10 5 (12.82%) Front End Development
11 4 (10.26%) Coaching
11 4 (10.26%) Configuration Management
11 4 (10.26%) Open Source
12 3 (7.69%) Continuous Deployment
12 3 (7.69%) Data Development
Programming Languages
1 23 (58.97%) JavaScript
2 17 (43.59%) C#
3 15 (38.46%) T-SQL
4 14 (35.90%) Java
5 8 (20.51%) Python
5 8 (20.51%) SQL
6 6 (15.38%) Java 8
7 3 (7.69%) PHP
8 2 (5.13%) Ruby
8 2 (5.13%) Shell Script
9 1 (2.56%) Groovy
9 1 (2.56%) TypeScript
Qualifications
1 5 (12.82%) AWS Certification
2 3 (7.69%) Security Cleared
3 2 (5.13%) SC Cleared
Quality Assurance & Compliance
1 7 (17.95%) GCP
2 1 (2.56%) GDPR
2 1 (2.56%) PMO
2 1 (2.56%) QA
System Software
1 4 (10.26%) Docker
2 1 (2.56%) Active Directory
Systems Management
1 7 (17.95%) Ansible
1 7 (17.95%) Puppet
2 5 (12.82%) Opscode Chef
3 1 (2.56%) Nagios
Vendors
1 5 (12.82%) Oracle
2 2 (5.13%) Zend
3 1 (2.56%) Microsoft