Period
to 17 December 2018

The following table provides summary statistics for contract job vacancies advertised in Wiltshire 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 December 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 > Wiltshire
6 months to
17 Dec 2018
Same period 2017 Same period 2016
Rank 73 62 61
Rank change year-on-year -11 -1 +2
Contract jobs citing TDD 44 29 27
As % of all contract IT jobs advertised in Wiltshire 2.41% 2.36% 2.10%
As % of the Processes & Methodologies category 2.79% 2.74% 2.46%
Number of daily rates quoted 32 22 17
Wiltshire median daily rate £463 £394 £345
Median daily rate % change year-on-year +17.46% +14.13% +2.22%
10th Percentile £388 £325 £314
90th Percentile £600 £428 £430
South West median daily rate £425 £400 £375
% change year-on-year +6.25% +6.67% -
Number of hourly rates quoted 0 0 0
Wiltshire median hourly rate - - -
South West median hourly rate £56.25 - £42.50

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 Wiltshire with a requirement for process or methodology skills.

All Process and Methodology Skills
Wiltshire
Contract vacancies with a requirement for process or methodology skills 1,576 1,058 1,097
As % of all contract IT jobs advertised in Wiltshire 86.17% 85.95% 85.17%
Number of daily rates quoted 1,023 732 790
Wiltshire median daily rate £463 £425 £400
Median daily rate % change year-on-year +8.82% +6.25% +5.26%
10th Percentile £313 £300 £247
90th Percentile £638 £600 £575
South West median daily rate £425 £400 £375
% change year-on-year +6.25% +6.67% -
Number of hourly rates quoted 45 18 28
Wiltshire median hourly rate £45.00 £27.50 £38.50
Median hourly rate % change year-on-year +63.64% -28.57% +15.79%
10th Percentile £35.00 £13.00 £16.55
90th Percentile £49.20 £39.35 £47.50
South West median hourly rate £41.00 £33.00 £33.00
% change year-on-year +24.24% - -15.92%

TDD
Job Vacancy Trend in Wiltshire

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

Job vacancy trend for TDD in Wiltshire

TDD
Contractor Daily Rate Trend in Wiltshire

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

Contractor daily rate trend for TDD in Wiltshire

TDD
Contractor Daily Rate Histogram in Wiltshire

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

Contractor daily rate histogram for TDD in Wiltshire

TDD
Contract Job Locations in Wiltshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing TDD within the Wiltshire region over the 6 months to 17 December 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
Swindon 0 32 £450 +17.26% 3
Corsham -9 2 £444 -
Chippenham - 1 £400 - 3
TDD
South West

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

1 31 (70.45%) Agile Software Development
2 24 (54.55%) Git (software)
2 24 (54.55%) BDD
3 22 (50.00%) React
4 21 (47.73%) HTML
5 20 (45.45%) .NET
6 19 (43.18%) Microservices
6 19 (43.18%) Bitbucket
7 18 (40.91%) HTML5
8 16 (36.36%) JavaScript
8 16 (36.36%) Sass
9 14 (31.82%) Finance
10 13 (29.55%) CSS
11 12 (27.27%) Java
11 12 (27.27%) WebStorm
11 12 (27.27%) Jenkins
12 10 (22.73%) Apigee
12 10 (22.73%) Cucumber
12 10 (22.73%) Scrum
13 9 (20.45%) Banking
13 9 (20.45%) Linux
13 9 (20.45%) Selenium
13 9 (20.45%) .NET Core
13 9 (20.45%) Kubernetes
13 9 (20.45%) Docker
14 8 (18.18%) API Development
14 8 (18.18%) Continuous Integration
14 8 (18.18%) REST
14 8 (18.18%) C#
15 7 (15.91%) E-Commerce

TDD
Co-occurring IT Skills in Wiltshire 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 (4.55%) Elasticsearch
2 1 (2.27%) Confluence
2 1 (2.27%) Tomcat
Applications
1 4 (9.09%) Fireworks
1 4 (9.09%) Photoshop
Business Applications
1 2 (4.55%) Dynamics CRM
Cloud Services
1 10 (22.73%) Apigee
2 7 (15.91%) Amazon AWS
3 6 (13.64%) Microsoft Azure
4 4 (9.09%) Google Cloud Platform
4 4 (9.09%) Sauce Labs
5 2 (4.55%) Amazon EC2
5 2 (4.55%) Azure Functions
5 2 (4.55%) Dynamics 365
5 2 (4.55%) npm
5 2 (4.55%) NuGet
5 2 (4.55%) OpenShift
5 2 (4.55%) SaaS
5 2 (4.55%) Serverless
6 1 (2.27%) BrowserStack
Communications & Networking
1 4 (9.09%) Internet
2 2 (4.55%) Reverse Proxy
3 1 (2.27%) Bluetooth
3 1 (2.27%) Wi-Fi
3 1 (2.27%) ZigBee
3 1 (2.27%) Z-Wave
Database & Business Intelligence
1 3 (6.82%) PostgreSQL
2 2 (4.55%) MongoDB
3 1 (2.27%) SQL Server
Development Applications
1 24 (54.55%) Git (software)
2 19 (43.18%) Bitbucket
3 12 (27.27%) Jenkins
3 12 (27.27%) WebStorm
4 10 (22.73%) Cucumber
5 9 (20.45%) Selenium
6 7 (15.91%) SonarQube
7 6 (13.64%) JMeter
7 6 (13.64%) Maven
7 6 (13.64%) WebDriver
8 5 (11.36%) JIRA
9 4 (9.09%) Hudson
9 4 (9.09%) Visual Studio Code
10 3 (6.82%) Visual Studio Team System
11 2 (4.55%) Atlassian Bamboo
11 2 (4.55%) DbUnit
11 2 (4.55%) jMock
11 2 (4.55%) JUnit
11 2 (4.55%) Mockito
11 2 (4.55%) Sonatype Nexus
General
1 14 (31.82%) Finance
2 9 (20.45%) Banking
3 2 (4.55%) Retail Banking
4 1 (2.27%) Electronics
4 1 (2.27%) Manufacturing
4 1 (2.27%) Marketing
4 1 (2.27%) Retail
4 1 (2.27%) Telecoms
Job Titles
1 33 (75.00%) Developer
2 12 (27.27%) UI Developer
3 10 (22.73%) React Developer
4 4 (9.09%) Java Developer
5 3 (6.82%) Architect
5 3 (6.82%) Technical Architect
5 3 (6.82%) Test Leader
6 2 (4.55%) .NET Developer
6 2 (4.55%) C# Developer
6 2 (4.55%) Front End Developer (Client-Side Developer)
6 2 (4.55%) Full Stack Developer
6 2 (4.55%) Lead Developer
6 2 (4.55%) Microsoft Developer
6 2 (4.55%) Senior Developer
6 2 (4.55%) Systems Developer
6 2 (4.55%) Technical Leader
6 2 (4.55%) Test Engineer
7 1 (2.27%) Consultant
7 1 (2.27%) Designer
7 1 (2.27%) J2EE Developer
Libraries, Frameworks & Software Standards
1 22 (50.00%) React
2 21 (47.73%) HTML
3 20 (45.45%) .NET
4 18 (40.91%) HTML5
5 16 (36.36%) Sass
6 13 (29.55%) CSS
7 9 (20.45%) .NET Core
8 8 (18.18%) REST
9 7 (15.91%) CSS3
10 5 (11.36%) RAML
10 5 (11.36%) Redux
10 5 (11.36%) SOAP
10 5 (11.36%) Swagger
10 5 (11.36%) YAML
11 4 (9.09%) Handlebars
11 4 (9.09%) LESS
11 4 (9.09%) Mustache
12 3 (6.82%) JSON
12 3 (6.82%) WCF
12 3 (6.82%) Web Services
Miscellaneous
1 6 (13.64%) User Experience
2 5 (11.36%) Fintech
3 2 (4.55%) Greenfield Project
3 2 (4.55%) iPad
3 2 (4.55%) Public Cloud
4 1 (2.27%) Enterprise Software
4 1 (2.27%) NHS
4 1 (2.27%) Online Banking
4 1 (2.27%) Raspberry Pi
Operating Systems
1 9 (20.45%) Linux
2 1 (2.27%) Mac OS X
2 1 (2.27%) Windows
Processes & Methodologies
1 31 (70.45%) Agile Software Development
2 24 (54.55%) BDD
3 19 (43.18%) Microservices
4 10 (22.73%) Scrum
5 8 (18.18%) API Development
5 8 (18.18%) Continuous Integration
6 7 (15.91%) E-Commerce
6 7 (15.91%) Kanban
7 6 (13.64%) Front End Development
8 5 (11.36%) Innovative Thinking
8 5 (11.36%) SOLID
8 5 (11.36%) Test Automation
8 5 (11.36%) Unit Testing
9 4 (9.09%) Continuous Delivery
9 4 (9.09%) Functional Testing
9 4 (9.09%) Pair Programming
9 4 (9.09%) Responsive Web Design
9 4 (9.09%) SEO
9 4 (9.09%) Separation of Concerns
9 4 (9.09%) Web Design
Programming Languages
1 16 (36.36%) JavaScript
2 12 (27.27%) Java
3 8 (18.18%) C#
4 6 (13.64%) Python
5 4 (9.09%) ES6
6 2 (4.55%) Bash Shell
6 2 (4.55%) F#
6 2 (4.55%) Go
6 2 (4.55%) Scala
6 2 (4.55%) SQL
7 1 (2.27%) Groovy
Qualifications
1 2 (4.55%) SC Cleared
1 2 (4.55%) Security Cleared
System Software
1 9 (20.45%) Docker
2 2 (4.55%) vSphere
3 1 (2.27%) VMware Infrastructure
Systems Management
1 9 (20.45%) Kubernetes
2 5 (11.36%) Terraform
3 2 (4.55%) Grafana
4 1 (2.27%) Single Sign-On
Vendors
1 5 (11.36%) AppDynamics
1 5 (11.36%) Splunk
2 4 (9.09%) Adobe
2 4 (9.09%) Google
2 4 (9.09%) Microsoft
3 3 (6.82%) Oracle
4 2 (4.55%) Veracode
4 2 (4.55%) VMware
5 1 (2.27%) NetIQ
5 1 (2.27%) SAP
5 1 (2.27%) Sitecore