Period
to 24 May 2019

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 24 May 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)
South West > Devon
6 months to
24 May 2019
Same period 2018 Same period 2017
Rank 28 23 51
Rank change year-on-year -5 +28 -23
Contract jobs citing TDD 31 37 8
As % of all contract IT jobs advertised in Devon 5.71% 6.85% 1.52%
As % of the Processes & Methodologies category 6.47% 8.11% 1.77%
Number of daily rates quoted 25 32 7
Devon median daily rate £450 £400 £413
Median daily rate % change year-on-year +12.50% -3.03% +17.86%
10th Percentile £333 £276 £309
90th Percentile £650 £547 £483
South West median daily rate £475 £400 £385
% change year-on-year +18.75% +4.03% +2.53%
Number of hourly rates quoted 0 0 0
Devon median hourly rate - - -
South West median hourly rate £13.50 - -

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 479 456 451
As % of all contract IT jobs advertised in Devon 88.21% 84.44% 85.42%
Number of daily rates quoted 323 252 298
Devon median daily rate £425 £400 £399
Median daily rate % change year-on-year +6.25% +0.31% +6.33%
10th Percentile £267 £282 £238
90th Percentile £613 £550 £538
South West median daily rate £450 £400 £390
% change year-on-year +12.50% +2.56% +4.00%
Number of hourly rates quoted 18 31 11
Devon median hourly rate £35.00 £27.50 £37.50
Median hourly rate % change year-on-year +27.27% -26.67% -6.25%
10th Percentile £11.00 £10.75 £20.00
90th Percentile £134.39 £47.50 £45.00
South West median hourly rate £42.50 £31.00 £39.50
% change year-on-year +37.10% -21.52% -0.63%

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 24 May 2019.

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 24 May 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
Exeter 0 26 £475 +18.75% 8
Plymouth -8 1 £325 -
TDD
South West

For the 6 months to 24 May 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 Devon region with a requirement for TDD.

1 23 (74.19%) Java
2 17 (54.84%) JavaScript
2 17 (54.84%) Agile Software Development
3 16 (51.61%) HTML
3 16 (51.61%) CSS
3 16 (51.61%) Python
4 13 (41.94%) BDD
5 12 (38.71%) Amazon AWS
5 12 (38.71%) Integration Testing
5 12 (38.71%) Continuous Integration
6 11 (35.48%) AngularJS
7 9 (29.03%) Node.js
7 9 (29.03%) Docker
8 8 (25.81%) Git (software)
9 7 (22.58%) Test Automation
9 7 (22.58%) Relational Database
9 7 (22.58%) User Experience
9 7 (22.58%) Jenkins
10 6 (19.35%) TypeScript
10 6 (19.35%) Microservices
10 6 (19.35%) REST
10 6 (19.35%) Sass
11 5 (16.13%) Jasmine
11 5 (16.13%) Cypress Semiconductor
11 5 (16.13%) Microsoft Azure
11 5 (16.13%) Balsamiq
11 5 (16.13%) Google Cloud Platform
11 5 (16.13%) GitLab
11 5 (16.13%) gulp
11 5 (16.13%) React Native

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 2 (6.45%) Apache
2 1 (3.23%) Elasticsearch
2 1 (3.23%) nginx
2 1 (3.23%) Tomcat
Applications
1 5 (16.13%) Adobe XD
1 5 (16.13%) InVision
1 5 (16.13%) Photoshop
1 5 (16.13%) Zeplin
Cloud Services
1 12 (38.71%) Amazon AWS
2 5 (16.13%) Google Cloud Platform
2 5 (16.13%) Microsoft Azure
3 1 (3.23%) GitHub
3 1 (3.23%) Serverless
3 1 (3.23%) Trello
Communications & Networking
1 3 (9.68%) HTTPS
2 1 (3.23%) AMQP
2 1 (3.23%) HTTP
Database & Business Intelligence
1 7 (22.58%) Relational Database
2 3 (9.68%) SQL Server
3 2 (6.45%) MongoDB
3 2 (6.45%) SQL Server 2012
4 1 (3.23%) Hadoop
4 1 (3.23%) MariaDB
4 1 (3.23%) MySQL
4 1 (3.23%) NoSQL
4 1 (3.23%) PostgreSQL
4 1 (3.23%) RDBMS
4 1 (3.23%) Redis
Development Applications
1 8 (25.81%) Git (software)
2 7 (22.58%) Jenkins
3 5 (16.13%) Balsamiq
3 5 (16.13%) GitLab
3 5 (16.13%) gulp
3 5 (16.13%) Jasmine
3 5 (16.13%) Karma Test Runner
3 5 (16.13%) webpack
4 3 (9.68%) Eclipse
4 3 (9.68%) JUnit
4 3 (9.68%) Maven
4 3 (9.68%) Vagrant
5 2 (6.45%) Gradle
5 2 (6.45%) IntelliJ
5 2 (6.45%) SonarQube
5 2 (6.45%) Sonatype Nexus
6 1 (3.23%) Cucumber
6 1 (3.23%) JIRA
6 1 (3.23%) Sikuli
6 1 (3.23%) SoapUI
General
1 2 (6.45%) Telecoms
Job Titles
1 30 (96.77%) Developer
2 14 (45.16%) Java Developer
3 5 (16.13%) Senior Developer
4 4 (12.90%) Front End Developer (Client-Side Developer)
4 4 (12.90%) Software Developer
5 3 (9.68%) Senior Java Developer
6 2 (6.45%) HTML Developer
6 2 (6.45%) React Developer
7 1 (3.23%) .NET Architect
7 1 (3.23%) .NET Developer
7 1 (3.23%) Architect
7 1 (3.23%) C# .NET Developer
7 1 (3.23%) C# Developer
7 1 (3.23%) Full Stack Developer
7 1 (3.23%) JavaScript Developer
7 1 (3.23%) Node.js Developer
7 1 (3.23%) PHP Developer
7 1 (3.23%) Senior Software Developer
7 1 (3.23%) SQL Developer
7 1 (3.23%) SQL Server Developer
Libraries, Frameworks & Software Standards
1 16 (51.61%) CSS
1 16 (51.61%) HTML
2 11 (35.48%) AngularJS
3 9 (29.03%) Node.js
4 6 (19.35%) REST
4 6 (19.35%) Sass
5 5 (16.13%) Ionic Framework
5 5 (16.13%) React Native
5 5 (16.13%) Spring
6 4 (12.90%) amCharts
6 4 (12.90%) CSS3
6 4 (12.90%) D3.js
6 4 (12.90%) Dojo
6 4 (12.90%) Hibernate
6 4 (12.90%) RESTful
7 3 (9.68%) FreeMarker
7 3 (9.68%) Spring Boot
7 3 (9.68%) Web Services
8 2 (6.45%) .NET
8 2 (6.45%) React
Miscellaneous
1 7 (22.58%) User Experience
2 2 (6.45%) Digital Media
2 2 (6.45%) Greenfield Project
3 1 (3.23%) Analytical Skills
Operating Systems
1 1 (3.23%) Linux
Processes & Methodologies
1 17 (54.84%) Agile Software Development
2 13 (41.94%) BDD
3 12 (38.71%) Continuous Integration
3 12 (38.71%) Integration Testing
4 7 (22.58%) Test Automation
5 6 (19.35%) Microservices
6 4 (12.90%) Coaching
6 4 (12.90%) Data Visualisation
6 4 (12.90%) Front End Development
6 4 (12.90%) Mentoring
6 4 (12.90%) Open Source
6 4 (12.90%) Visualisation
7 2 (6.45%) Critical Thinking
7 2 (6.45%) Problem-Solving
7 2 (6.45%) Scrum
8 1 (3.23%) Artificial Intelligence
8 1 (3.23%) Computer Science
8 1 (3.23%) Configuration Management
8 1 (3.23%) Technical Architecture
8 1 (3.23%) UX Design
Programming Languages
1 23 (74.19%) Java
2 17 (54.84%) JavaScript
3 16 (51.61%) Python
4 6 (19.35%) TypeScript
5 4 (12.90%) Bash Shell
5 4 (12.90%) ES6
5 4 (12.90%) Groovy
5 4 (12.90%) Ruby
6 2 (6.45%) C#
6 2 (6.45%) Java 8
6 2 (6.45%) PHP
6 2 (6.45%) SQL
7 1 (3.23%) Apple Swift
7 1 (3.23%) C
7 1 (3.23%) C++
7 1 (3.23%) Objective-C
7 1 (3.23%) R
Qualifications
1 3 (9.68%) AWS Certification
2 1 (3.23%) Computer Science Degree
2 1 (3.23%) Degree
Quality Assurance & Compliance
1 1 (3.23%) QA
System Software
1 9 (29.03%) Docker
Systems Management
1 1 (3.23%) Opscode Chef
1 1 (3.23%) Puppet
Vendors
1 5 (16.13%) Adobe
1 5 (16.13%) Cypress Semiconductor
2 1 (3.23%) Microsoft
2 1 (3.23%) Oracle
2 1 (3.23%) Zend