Period
to 20 April 2019

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 20 April 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 > Wiltshire
6 months to
20 Apr 2019
Same period 2018 Same period 2017
Rank 75 62 65
Rank change year-on-year -13 +3 -8
Contract jobs citing TDD 51 25 28
As % of all contract IT jobs advertised in Wiltshire 2.70% 2.32% 2.02%
As % of the Processes & Methodologies category 3.22% 2.92% 2.43%
Number of daily rates quoted 35 22 24
Wiltshire median daily rate £500 £400 £400
Median daily rate % change year-on-year +25.00% - +9.59%
10th Percentile £325 £328 £305
90th Percentile £650 £560 £438
South West median daily rate £475 £400 £375
% change year-on-year +18.75% +6.67% -
Number of hourly rates quoted 0 0 0
Wiltshire median hourly rate - - -
South West median hourly rate £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 1,583 855 1,154
As % of all contract IT jobs advertised in Wiltshire 83.71% 79.46% 83.44%
Number of daily rates quoted 1,084 587 798
Wiltshire median daily rate £464 £425 £404
Median daily rate % change year-on-year +9.18% +5.26% +7.67%
10th Percentile £325 £299 £231
90th Percentile £650 £663 £575
South West median daily rate £450 £400 £400
% change year-on-year +12.50% - +6.67%
Number of hourly rates quoted 35 9 27
Wiltshire median hourly rate £45.00 £27.00 £38.50
Median hourly rate % change year-on-year +66.67% -29.87% +10.00%
10th Percentile £26.30 £13.00 £31.05
90th Percentile £50.00 £39.30 £42.10
South West median hourly rate £42.25 £28.50 £38.50
% change year-on-year +48.25% -25.97% -3.75%

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 20 April 2019.

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 20 April 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
Swindon -4 32 £500 +25.00% 5
Corsham - 9 £525 -
Chippenham +1 1 - - 2
TDD
South West

For the 6 months to 20 April 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 Wiltshire region with a requirement for TDD.

1 42 (82.35%) Agile Software Development
2 27 (52.94%) BDD
3 24 (47.06%) .NET
4 22 (43.14%) Scrum
5 21 (41.18%) Finance
6 17 (33.33%) Microsoft
6 17 (33.33%) C#
7 16 (31.37%) Test Automation
7 16 (31.37%) Microsoft Azure
7 16 (31.37%) Microservices
8 15 (29.41%) Kanban
9 14 (27.45%) Java
9 14 (27.45%) Amazon AWS
10 11 (21.57%) SOAP
11 10 (19.61%) Web Services
11 10 (19.61%) JavaScript
11 10 (19.61%) SQL
11 10 (19.61%) SDLC
11 10 (19.61%) .NET Core
11 10 (19.61%) Dynamics 365
12 9 (17.65%) Serverless
12 9 (17.65%) Azure Functions
12 9 (17.65%) REST
13 8 (15.69%) Cucumber
13 8 (15.69%) Oracle
13 8 (15.69%) NetIQ
13 8 (15.69%) NetIQ Identity Manager
13 8 (15.69%) Domain-Driven Design
13 8 (15.69%) Selenium
13 8 (15.69%) Continuous Integration

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 7 (13.73%) Confluence
2 6 (11.76%) Oracle Workflow
3 3 (5.88%) JBoss
3 3 (5.88%) Tomcat
4 2 (3.92%) Jetty
5 1 (1.96%) Apache
Applications
1 4 (7.84%) MS Visio
Business Applications
1 6 (11.76%) Dynamics CRM
2 1 (1.96%) Remedy ITSM
Cloud Services
1 16 (31.37%) Microsoft Azure
2 14 (27.45%) Amazon AWS
3 10 (19.61%) Dynamics 365
4 9 (17.65%) Azure Functions
4 9 (17.65%) Serverless
5 7 (13.73%) SaaS
6 3 (5.88%) BrowserStack
6 3 (5.88%) Sauce Labs
7 2 (3.92%) Amazon EC2
Communications & Networking
1 7 (13.73%) Reverse Proxy
Database & Business Intelligence
1 2 (3.92%) Hadoop
1 2 (3.92%) MongoDB
1 2 (3.92%) NoSQL
2 1 (1.96%) JasperReports
2 1 (1.96%) PostgreSQL
2 1 (1.96%) RDBMS
2 1 (1.96%) Relational Database
Development Applications
1 8 (15.69%) Cucumber
1 8 (15.69%) JIRA
1 8 (15.69%) Selenium
2 7 (13.73%) Git (software)
2 7 (13.73%) Jenkins
2 7 (13.73%) Visual Studio Team System
3 6 (11.76%) WebDriver
4 3 (5.88%) JUnit
4 3 (5.88%) Maven
5 2 (3.92%) DbUnit
5 2 (3.92%) jMock
5 2 (3.92%) Mockito
5 2 (3.92%) SoapUI
5 2 (3.92%) SonarQube
6 1 (1.96%) Ant
6 1 (1.96%) Rational DOORS
6 1 (1.96%) webpack
General
1 21 (41.18%) Finance
2 4 (7.84%) Banking
2 4 (7.84%) Retail
3 1 (1.96%) Military
3 1 (1.96%) Retail Banking
Job Titles
1 23 (45.10%) Developer
2 15 (29.41%) Architect
3 7 (13.73%) Java Developer
3 7 (13.73%) Solutions Architect
4 6 (11.76%) Microsoft Developer
4 6 (11.76%) Systems Developer
5 5 (9.80%) Test Engineer
6 4 (7.84%) Analyst
6 4 (7.84%) Test Leader
7 3 (5.88%) .NET Developer
7 3 (5.88%) C# .NET Developer
7 3 (5.88%) C# Developer
7 3 (5.88%) React Developer
7 3 (5.88%) Technical Architect
7 3 (5.88%) Test Analyst
7 3 (5.88%) UI Architect
7 3 (5.88%) UI Developer
8 2 (3.92%) IAM Consultant
8 2 (3.92%) Software Engineer
8 2 (3.92%) Software Test Engineer
Libraries, Frameworks & Software Standards
1 24 (47.06%) .NET
2 11 (21.57%) SOAP
3 10 (19.61%) .NET Core
3 10 (19.61%) Web Services
4 9 (17.65%) REST
5 8 (15.69%) JSON
6 7 (13.73%) ASP.NET
6 7 (13.73%) ASP.NET Web API
6 7 (13.73%) WCF
7 6 (11.76%) CSS
7 6 (11.76%) HTML
7 6 (11.76%) LDAP
7 6 (11.76%) OAuth
7 6 (11.76%) OpenID
7 6 (11.76%) React
7 6 (11.76%) RESTful
7 6 (11.76%) SailPoint
7 6 (11.76%) SAML
7 6 (11.76%) Spring
8 5 (9.80%) Node.js
Miscellaneous
1 7 (13.73%) Enterprise Software
2 5 (9.80%) Cloud Native
2 5 (9.80%) iPad
3 4 (7.84%) NHS
4 3 (5.88%) Public Cloud
5 1 (1.96%) Analytical Skills
5 1 (1.96%) Self-Motivation
5 1 (1.96%) User Experience
Processes & Methodologies
1 42 (82.35%) Agile Software Development
2 27 (52.94%) BDD
3 22 (43.14%) Scrum
4 16 (31.37%) Microservices
4 16 (31.37%) Test Automation
5 15 (29.41%) Kanban
6 10 (19.61%) SDLC
7 8 (15.69%) Continuous Integration
7 8 (15.69%) Domain-Driven Design
8 7 (13.73%) Digital Transformation Programme
8 7 (13.73%) E-Commerce
8 7 (13.73%) Identity Access Management
8 7 (13.73%) Inversion of Control
8 7 (13.73%) Software Delivery
8 7 (13.73%) Unit Testing
8 7 (13.73%) Workflow
9 6 (11.76%) API Development
9 6 (11.76%) CRM
9 6 (11.76%) Task Automation
10 5 (9.80%) Customer Requirements
Programming Languages
1 17 (33.33%) C#
2 14 (27.45%) Java
3 10 (19.61%) JavaScript
3 10 (19.61%) SQL
4 1 (1.96%) C++
4 1 (1.96%) TypeScript
4 1 (1.96%) VB
4 1 (1.96%) VBScript
Qualifications
1 7 (13.73%) Security Cleared
2 6 (11.76%) SC Cleared
3 3 (5.88%) ISEB
4 1 (1.96%) IIBA
Quality Assurance & Compliance
1 2 (3.92%) Data Quality
1 2 (3.92%) QA
System Software
1 7 (13.73%) Active Directory
2 6 (11.76%) NDS
2 6 (11.76%) NetIQ eDirectory
3 2 (3.92%) Docker
3 2 (3.92%) VMware Infrastructure
3 2 (3.92%) vSphere
Systems Management
1 8 (15.69%) NetIQ Identity Manager
2 6 (11.76%) Tivoli
2 6 (11.76%) Tivoli Identity Manager
3 4 (7.84%) Oracle Identity Management
4 2 (3.92%) Ansible
4 2 (3.92%) Cobbler
4 2 (3.92%) Opscode Chef
4 2 (3.92%) Oracle Identity Manager
4 2 (3.92%) Puppet
5 1 (1.96%) HP ALM
Vendors
1 17 (33.33%) Microsoft
2 8 (15.69%) NetIQ
2 8 (15.69%) Oracle
3 6 (11.76%) ForgeRock
3 6 (11.76%) Okta
4 2 (3.92%) IBM
4 2 (3.92%) Novell
4 2 (3.92%) Ping Identity
4 2 (3.92%) VMware
5 1 (1.96%) Adobe
5 1 (1.96%) Google
5 1 (1.96%) HP
5 1 (1.96%) Pega
5 1 (1.96%) Remedy
5 1 (1.96%) SAP