Period
to 20 November 2018

The following table provides summary statistics for permanent job vacancies advertised in Wiltshire with a requirement for TDD skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited TDD over the 6 months to 20 November 2018 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
South West > Wiltshire
6 months to
20 Nov 2018
Same period 2017 Same period 2016
Rank 44 39 71
Rank change year-on-year -5 +32 -22
Permanent jobs citing TDD 95 90 52
As % of all permanent IT jobs advertised in Wiltshire 5.35% 5.78% 3.08%
As % of the Processes & Methodologies category 5.82% 6.45% 3.59%
Number of salaries quoted 82 70 54
Wiltshire median annual salary £40,000 £47,500 £35,000
Median salary % change year-on-year -15.79% +35.71% -6.67%
10th Percentile £26,000 £35,000 £26,250
90th Percentile £79,750 £60,000 £52,500
South West median annual salary £47,500 £45,000 £42,500
% change year-on-year +5.56% +5.88% +6.25%

TDD is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in Wiltshire with a requirement for process or methodology skills.

All Process and Methodology Skills
Wiltshire
Permanent vacancies with a requirement for process or methodology skills 1,632 1,396 1,450
As % of all permanent IT jobs advertised in Wiltshire 91.84% 89.66% 85.75%
Number of salaries quoted 1,358 1,161 1,228
Wiltshire median annual salary £45,000 £40,000 £40,000
Median salary % change year-on-year +12.50% - -
10th Percentile £28,000 £26,000 £24,713
90th Percentile £65,000 £60,000 £57,500
South West median annual salary £45,000 £42,500 £40,000
% change year-on-year +5.88% +6.25% -

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
Salary Trend in Wiltshire

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing TDD in Wiltshire.

Salary trend for TDD in Wiltshire

TDD
Salary Histogram in Wiltshire

The salary distribution of IT jobs citing TDD in Wiltshire over the 6 months to 20 November 2018.

Salary histogram for TDD in Wiltshire

TDD
Job Locations in Wiltshire

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing TDD within the Wiltshire region over the 6 months to 20 November 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Swindon -12 38 £60,000 +20.00% 7
Chippenham +1 22 £27,000 -32.50% 1
Salisbury +6 12 £36,500 -8.75%
Corsham -3 5 £27,500 -42.11%
Warminster +4 3 - -
TDD
South West

For the 6 months to 20 November 2018, IT 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 permanent job ads across the Wiltshire region with a requirement for TDD.

1 64 (67.37%) Agile Software Development
2 60 (63.16%) BDD
3 46 (48.42%) C#
4 37 (38.95%) .NET
4 37 (38.95%) Continuous Integration
5 35 (36.84%) REST
5 35 (36.84%) Java
5 35 (36.84%) Scrum
6 33 (34.74%) JavaScript
7 28 (29.47%) Amazon AWS
8 27 (28.42%) ASP.NET
9 25 (26.32%) AngularJS
10 24 (25.26%) Git (software)
10 24 (25.26%) Kanban
10 24 (25.26%) SQL Server
10 24 (25.26%) HTML
10 24 (25.26%) MVC
11 22 (23.16%) CSS
12 21 (22.11%) OO
12 21 (22.11%) Microsoft Azure
13 20 (21.05%) ASP.NET MVC
13 20 (21.05%) Entity Framework
13 20 (21.05%) Coaching
13 20 (21.05%) .NET Framework
14 19 (20.00%) Software Testing
14 19 (20.00%) Selenium
14 19 (20.00%) Acceptance Criteria
15 18 (18.95%) Mentoring
15 18 (18.95%) Security Cleared
15 18 (18.95%) Finance

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 11 (11.58%) Elasticsearch
1 11 (11.58%) SharePoint
1 11 (11.58%) SharePoint 2013
2 4 (4.21%) Apache
3 1 (1.05%) Alfresco
3 1 (1.05%) BizTalk Server
3 1 (1.05%) JBoss
3 1 (1.05%) Joomla!
Business Applications
1 2 (2.11%) Endur
Cloud Services
1 28 (29.47%) Amazon AWS
2 21 (22.11%) Microsoft Azure
3 12 (12.63%) SaaS
4 10 (10.53%) Amazon EC2
4 10 (10.53%) Amazon S3
4 10 (10.53%) Amazon SQS
5 3 (3.16%) Dynamics 365
5 3 (3.16%) iPaaS
6 2 (2.11%) NuGet
7 1 (1.05%) Cloud Computing
Communications & Networking
1 5 (5.26%) HTTP
1 5 (5.26%) Reverse Proxy
2 2 (2.11%) Internet
Database & Business Intelligence
1 24 (25.26%) SQL Server
2 14 (14.74%) MySQL
3 13 (13.68%) PostgreSQL
4 10 (10.53%) Amazon DynamoDB
5 8 (8.42%) NoSQL
6 7 (7.37%) SQL Server 2016
7 3 (3.16%) RDBMS
7 3 (3.16%) Redis
7 3 (3.16%) Relational Database
8 2 (2.11%) Geospatial Data
8 2 (2.11%) GIS
8 2 (2.11%) SQL Server Analysis Services
8 2 (2.11%) SQL Server Integration Services
8 2 (2.11%) SQL Server Reporting Services
9 1 (1.05%) MongoDB
Development Applications
1 24 (25.26%) Git (software)
2 19 (20.00%) Selenium
3 17 (17.89%) Cucumber
3 17 (17.89%) JUnit
4 12 (12.63%) Subversion
4 12 (12.63%) Visual Studio
5 11 (11.58%) gulp
5 11 (11.58%) Jasmine
5 11 (11.58%) Karma Test Runner
5 11 (11.58%) Team Foundation Server
6 10 (10.53%) Protractor
6 10 (10.53%) WebDriver
7 9 (9.47%) Maven
8 8 (8.42%) Ant
8 8 (8.42%) Eclipse
9 6 (6.32%) JIRA
10 5 (5.26%) ClearCase
10 5 (5.26%) SoapUI
11 4 (4.21%) Apache Ivy
11 4 (4.21%) TeamCity
General
1 18 (18.95%) Finance
2 7 (7.37%) Marketing
3 5 (5.26%) Advertising
3 5 (5.26%) Electronics
4 4 (4.21%) Retail
5 2 (2.11%) Back Office
6 1 (1.05%) Games
Job Titles
1 58 (61.05%) Developer
2 23 (24.21%) .NET Developer
3 18 (18.95%) C# Developer
4 16 (16.84%) C# .NET Developer
5 14 (14.74%) Architect
6 12 (12.63%) Software Engineer
7 10 (10.53%) Lead Developer
8 9 (9.47%) C++ Software Engineer
8 9 (9.47%) Cloud Architect
8 9 (9.47%) Developer in Test
8 9 (9.47%) Development Manager
8 9 (9.47%) Lead .NET Developer
8 9 (9.47%) Lead C# Developer
9 6 (6.32%) PHP Development Manager
9 6 (6.32%) Software Developer
10 5 (5.26%) Java Developer
10 5 (5.26%) PHP Developer
10 5 (5.26%) PHP Web Developer
10 5 (5.26%) SaaS Architect
10 5 (5.26%) Web Developer
Libraries, Frameworks & Software Standards
1 37 (38.95%) .NET
2 35 (36.84%) REST
3 27 (28.42%) ASP.NET
4 25 (26.32%) AngularJS
5 24 (25.26%) HTML
6 22 (23.16%) CSS
7 20 (21.05%) .NET Framework
7 20 (21.05%) ASP.NET MVC
7 20 (21.05%) Entity Framework
8 18 (18.95%) XML
9 15 (15.79%) Laravel
10 14 (14.74%) Node.js
11 13 (13.68%) ASP.NET Web API
11 13 (13.68%) RESTful
11 13 (13.68%) WCF
12 12 (12.63%) HTML5
12 12 (12.63%) Web Services
13 11 (11.58%) Swagger
13 11 (11.58%) Symfony
14 10 (10.53%) Twitter Bootstrap
Miscellaneous
1 9 (9.47%) Field-Programmable Gate Array
1 9 (9.47%) User Experience
2 8 (8.42%) Computer Science
3 6 (6.32%) Enterprise Software
3 6 (6.32%) Fintech
4 5 (5.26%) Smartphone
5 4 (4.21%) Embedded Systems
6 2 (2.11%) Management Information System
6 2 (2.11%) N-Tier
6 2 (2.11%) Renewable Energy
6 2 (2.11%) Social Media
7 1 (1.05%) Greenfield Project
7 1 (1.05%) RIA
Operating Systems
1 13 (13.68%) Linux
2 7 (7.37%) Windows
3 6 (6.32%) Android
3 6 (6.32%) Apple iOS
Processes & Methodologies
1 64 (67.37%) Agile Software Development
2 60 (63.16%) BDD
3 37 (38.95%) Continuous Integration
4 35 (36.84%) Scrum
5 24 (25.26%) Kanban
5 24 (25.26%) MVC
6 21 (22.11%) OO
7 20 (21.05%) Coaching
8 19 (20.00%) Acceptance Criteria
8 19 (20.00%) Software Testing
9 18 (18.95%) Mentoring
10 17 (17.89%) DevOps
10 17 (17.89%) UML
11 16 (16.84%) Business Intelligence
11 16 (16.84%) Test Automation
12 14 (14.74%) Software Engineering
13 12 (12.63%) Issue Tracking
13 12 (12.63%) SOA
14 11 (11.58%) ITIL
14 11 (11.58%) Kimball Methodology
Programming Languages
1 46 (48.42%) C#
2 35 (36.84%) Java
3 33 (34.74%) JavaScript
4 18 (18.95%) PHP
5 12 (12.63%) C++
6 9 (9.47%) SQL
7 8 (8.42%) Ruby
8 7 (7.37%) Python
9 6 (6.32%) C
9 6 (6.32%) PHP 7
9 6 (6.32%) TypeScript
10 3 (3.16%) Groovy
10 3 (3.16%) Jython
10 3 (3.16%) VBScript
11 2 (2.11%) F#
11 2 (2.11%) PowerShell
12 1 (1.05%) Java 8
Qualifications
1 18 (18.95%) Security Cleared
2 14 (14.74%) Degree
2 14 (14.74%) SC Cleared
3 11 (11.58%) MCPD
3 11 (11.58%) Microsoft Certification
Quality Assurance & Compliance
1 10 (10.53%) QA
System Software
1 3 (3.16%) Active Directory
2 1 (1.05%) Docker
Systems Management
1 3 (3.16%) CA Service Virtualization
1 3 (3.16%) HP ALM
Vendors
1 15 (15.79%) Microsoft
2 10 (10.53%) Zend
3 5 (5.26%) Facebook
4 3 (3.16%) Atlassian
4 3 (3.16%) CA
4 3 (3.16%) HP
5 2 (2.11%) Fujitsu
5 2 (2.11%) IBM
5 2 (2.11%) TIBCO