Period
to 22 September 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 22 September 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
22 Sep 2019
Same period 2018 Same period 2017
Rank 66 55 68
Rank change year-on-year -11 +13 0
Contract jobs citing TDD 53 46 31
As % of all contract IT jobs advertised in Wiltshire 2.84% 3.15% 2.38%
As % of the Processes & Methodologies category 3.28% 3.65% 2.71%
Number of daily rates quoted 35 37 24
Wiltshire median daily rate £450 £475 £400
Median daily rate % change year-on-year -5.26% +18.75% +17.22%
10th Percentile £357 £381 £315
90th Percentile £633 £645 £446
South West median daily rate £463 £425 £403
% change year-on-year +8.82% +5.59% +7.33%
Number of hourly rates quoted 0 0 0
Wiltshire median hourly rate - - -
South West median hourly rate £13.50 £68.75 -
% change year-on-year -80.36% - -

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 1,617 1,261 1,143
As % of all contract IT jobs advertised in Wiltshire 86.75% 86.37% 87.72%
Number of daily rates quoted 1,044 839 740
Wiltshire median daily rate £463 £450 £420
Median daily rate % change year-on-year +2.78% +7.14% +12.00%
10th Percentile £313 £306 £278
90th Percentile £654 £613 £588
South West median daily rate £450 £425 £400
% change year-on-year +5.88% +6.25% +6.67%
Number of hourly rates quoted 37 47 25
Wiltshire median hourly rate £42.50 £42.50 £37.50
Median hourly rate % change year-on-year - +13.33% -
10th Percentile £30.50 £17.50 £13.00
90th Percentile £52.50 £47.50 £43.00
South West median hourly rate £42.50 £41.83 £39.00
% change year-on-year +1.61% +7.24% +11.43%

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 22 September 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 22 September 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 -14 24 £400 -16.45% 3
Corsham 0 22 £500 +12.68% 4
Melksham - 2 £388 - 2
TDD
South West

For the 6 months to 22 September 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 46 (86.79%) Agile Software Development
2 39 (73.58%) BDD
3 34 (64.15%) Scrum
4 27 (50.94%) Oracle
5 24 (45.28%) NetIQ
6 23 (43.40%) NetIQ Identity Manager
7 22 (41.51%) Security Cleared
8 21 (39.62%) SC Cleared
8 21 (39.62%) Identity Access Management
9 20 (37.74%) ForgeRock
9 20 (37.74%) Kanban
10 19 (35.85%) AWS
10 19 (35.85%) Java
11 17 (32.08%) Test Automation
12 16 (30.19%) JIRA
12 16 (30.19%) Identity Management
13 15 (28.30%) Web Services
13 15 (28.30%) SailPoint
13 15 (28.30%) User Stories
14 14 (26.42%) Active Directory
15 13 (24.53%) .NET
15 13 (24.53%) Workflow
15 13 (24.53%) Customer Requirements
16 11 (20.75%) Cucumber
16 11 (20.75%) NDS
16 11 (20.75%) Selenium
17 10 (18.87%) OAuth
17 10 (18.87%) Continuous Integration
17 10 (18.87%) ITIL
17 10 (18.87%) Service Delivery

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 9 (16.98%) Oracle Workflow
2 5 (9.43%) Confluence
3 4 (7.55%) SharePoint
3 4 (7.55%) Tomcat
4 1 (1.89%) Apache
4 1 (1.89%) JBoss
Applications
1 1 (1.89%) MS Visio
Business Applications
1 8 (15.09%) Remedy ITSM
2 3 (5.66%) Dynamics CRM
3 1 (1.89%) Oracle BPM
Cloud Services
1 19 (35.85%) AWS
2 8 (15.09%) Azure
3 4 (7.55%) Amazon EC2
3 4 (7.55%) Office 365
4 3 (5.66%) Dynamics 365
4 3 (5.66%) NuGet
Communications & Networking
1 1 (1.89%) HTTPS
Database & Business Intelligence
1 6 (11.32%) SQL Server
2 4 (7.55%) Oracle Database
2 4 (7.55%) PostgreSQL
3 2 (3.77%) Relational Database
4 1 (1.89%) JasperReports
4 1 (1.89%) RDBMS
4 1 (1.89%) SQL Server 2012
Development Applications
1 16 (30.19%) JIRA
2 11 (20.75%) Cucumber
2 11 (20.75%) Selenium
3 7 (13.21%) WebDriver
4 6 (11.32%) GitLab
5 5 (9.43%) JUnit
5 5 (9.43%) Maven
6 4 (7.55%) Appium
6 4 (7.55%) Git (software)
6 4 (7.55%) Jenkins
6 4 (7.55%) Mockito
7 3 (5.66%) Bitbucket
7 3 (5.66%) TeamCity
8 1 (1.89%) Ant
8 1 (1.89%) SoapUI
8 1 (1.89%) Vagrant
General
1 8 (15.09%) Military
2 6 (11.32%) Public Sector
3 5 (9.43%) Finance
4 3 (5.66%) Retail
5 1 (1.89%) Banking
5 1 (1.89%) Games
5 1 (1.89%) Publishing
Job Titles
1 21 (39.62%) Developer
2 17 (32.08%) Analyst
3 10 (18.87%) Business Analyst
4 8 (15.09%) Architect
5 7 (13.21%) Test Analyst
6 6 (11.32%) Java Developer
7 5 (9.43%) Automation Test Analyst
7 5 (9.43%) Consultant
8 4 (7.55%) .NET Architect
8 4 (7.55%) Public Sector Business Analyst
8 4 (7.55%) SC Cleared Business Analyst
8 4 (7.55%) Service Analyst
8 4 (7.55%) Solutions Architect
8 4 (7.55%) Stakeholder Analyst
8 4 (7.55%) Strategy Analyst
9 3 (5.66%) Applications Developer
9 3 (5.66%) SC Cleared Java Developer
10 2 (3.77%) C# Developer
10 2 (3.77%) Oracle Consultant
10 2 (3.77%) Technical Architect
Libraries, Frameworks & Software Standards
1 15 (28.30%) SailPoint
1 15 (28.30%) Web Services
2 13 (24.53%) .NET
3 10 (18.87%) OAuth
3 10 (18.87%) OpenID
3 10 (18.87%) SAML
4 9 (16.98%) LDAP
4 9 (16.98%) XML
5 7 (13.21%) .NET Core
6 6 (11.32%) SOAP
7 5 (9.43%) Entity Framework
7 5 (9.43%) Spring
8 4 (7.55%) .NET Framework
8 4 (7.55%) ASP.NET
8 4 (7.55%) JSF
8 4 (7.55%) RESTful
8 4 (7.55%) WCF
9 3 (5.66%) Gherkin
9 3 (5.66%) Lambda Expressions
9 3 (5.66%) WPF
Miscellaneous
1 10 (18.87%) User Experience
2 6 (11.32%) Enterprise Software
3 4 (7.55%) Cloud Native
4 3 (5.66%) NHS
5 2 (3.77%) Analytical Skills
5 2 (3.77%) Greenfield Project
Operating Systems
1 4 (7.55%) Windows
2 2 (3.77%) Windows 10
Processes & Methodologies
1 46 (86.79%) Agile Software Development
2 39 (73.58%) BDD
3 34 (64.15%) Scrum
4 21 (39.62%) Identity Access Management
5 20 (37.74%) Kanban
6 17 (32.08%) Test Automation
7 16 (30.19%) Identity Management
8 15 (28.30%) User Stories
9 13 (24.53%) Customer Requirements
9 13 (24.53%) Workflow
10 10 (18.87%) Continuous Integration
10 10 (18.87%) ITIL
10 10 (18.87%) Scaled Agile Framework
10 10 (18.87%) Service Delivery
10 10 (18.87%) Service Design
11 9 (16.98%) Multi-Factor Authentication
12 8 (15.09%) ITSM
12 8 (15.09%) Minimum Viable Product
12 8 (15.09%) Stakeholder Management
13 7 (13.21%) Validation
Programming Languages
1 19 (35.85%) Java
2 8 (15.09%) C#
3 7 (13.21%) JavaScript
3 7 (13.21%) SQL
4 2 (3.77%) Python
5 1 (1.89%) Go
5 1 (1.89%) T-SQL
5 1 (1.89%) TypeScript
Qualifications
1 22 (41.51%) Security Cleared
2 21 (39.62%) SC Cleared
3 7 (13.21%) ISEB
4 6 (11.32%) IIBA
5 4 (7.55%) CISA
5 4 (7.55%) CISM
5 4 (7.55%) CISSP
5 4 (7.55%) CRISC
Quality Assurance & Compliance
1 4 (7.55%) Data Quality
2 1 (1.89%) QA
System Software
1 14 (26.42%) Active Directory
2 11 (20.75%) NDS
3 9 (16.98%) NetIQ eDirectory
4 5 (9.43%) Docker
5 4 (7.55%) VMware Infrastructure
5 4 (7.55%) vSphere
Systems Management
1 23 (43.40%) NetIQ Identity Manager
2 8 (15.09%) Oracle Identity Manager
3 6 (11.32%) Tivoli
3 6 (11.32%) Tivoli Identity Manager
4 5 (9.43%) Kubernetes
5 3 (5.66%) Opscode Chef
6 2 (3.77%) Oracle Identity Management
7 1 (1.89%) Ansible
7 1 (1.89%) Terraform
Vendors
1 27 (50.94%) Oracle
2 24 (45.28%) NetIQ
3 20 (37.74%) ForgeRock
4 8 (15.09%) Remedy
5 6 (11.32%) Novell
5 6 (11.32%) Okta
5 6 (11.32%) Ping Identity
6 4 (7.55%) IBM
6 4 (7.55%) Microsoft
6 4 (7.55%) VMware
7 1 (1.89%) Adobe
7 1 (1.89%) Google
7 1 (1.89%) Pega
7 1 (1.89%) Salesforce.com