Period
to 20 January 2020

The following table provides summary statistics for permanent job vacancies advertised in Swindon 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 January 2020 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Wiltshire > Swindon
6 months to
20 Jan 2020
Same period 2019 Same period 2018
Rank 61 43 42
Rank change year-on-year -18 -1 +9
Permanent jobs citing TDD 13 43 27
As % of all permanent IT jobs advertised in Swindon 2.17% 5.22% 4.17%
As % of the Processes & Methodologies category 2.39% 5.61% 4.75%
Number of salaries quoted 12 45 23
Swindon median annual salary £50,000 £60,000 £50,000
Median salary % change year-on-year -16.67% +20.00% -
10th Percentile £44,000 £38,750 £35,000
90th Percentile £64,000 £81,250 £62,250
Wiltshire median annual salary £55,000 £45,000 £50,000
% change year-on-year +22.22% -10.00% +33.33%

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 Swindon with a requirement for process or methodology skills.

All Process and Methodology Skills
Swindon
Permanent vacancies with a requirement for process or methodology skills 543 767 569
As % of all permanent IT jobs advertised in Swindon 90.80% 93.08% 87.94%
Number of salaries quoted 487 683 475
Swindon median annual salary £43,156 £47,500 £42,500
Median salary % change year-on-year -9.15% +11.76% -
10th Percentile £27,300 £29,000 £28,350
90th Percentile £73,750 £70,000 £60,000
Wiltshire median annual salary £45,000 £45,000 £42,000
% change year-on-year - +7.14% +5.00%

TDD
Job Vacancy Trend in Swindon

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

Job vacancy trend for TDD in Swindon

TDD
Salary Trend in Swindon

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

Salary trend for TDD in Swindon

TDD
Salary Histogram in Swindon

The salary distribution of IT jobs citing TDD in Swindon over the 6 months to 20 January 2020.

Salary histogram for TDD in Swindon

For the 6 months to 20 January 2020, 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 Swindon region with a requirement for TDD.

1 11 (84.62%) Agile Software Development
2 10 (76.92%) Test Automation
3 7 (53.85%) C#
4 6 (46.15%) .NET
4 6 (46.15%) BDD
4 6 (46.15%) JIRA
4 6 (46.15%) Continuous Integration
5 5 (38.46%) Azure
5 5 (38.46%) Scrum
5 5 (38.46%) Finance
5 5 (38.46%) Pair Programming
5 5 (38.46%) Dynamics 365
6 4 (30.77%) Task Automation
6 4 (30.77%) Serverless
6 4 (30.77%) Azure Functions
6 4 (30.77%) Release Train
6 4 (30.77%) User Stories
6 4 (30.77%) GoToMeeting
6 4 (30.77%) Skype
6 4 (30.77%) SDLC
6 4 (30.77%) Team Foundation Server
6 4 (30.77%) Slack
6 4 (30.77%) .NET Core
6 4 (30.77%) SQL
6 4 (30.77%) CRM
6 4 (30.77%) Microsoft
6 4 (30.77%) Confluence
6 4 (30.77%) Unit Testing
6 4 (30.77%) Dynamics CRM
7 3 (23.08%) .NET Framework

TDD
Co-occurring IT Skills in Swindon 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 4 (30.77%) Confluence
2 1 (7.69%) Apache
Business Applications
1 4 (30.77%) Dynamics CRM
Cloud Services
1 5 (38.46%) Azure
1 5 (38.46%) Dynamics 365
2 4 (30.77%) Azure Functions
2 4 (30.77%) Serverless
2 4 (30.77%) Slack
3 2 (15.38%) AWS
4 1 (7.69%) Amazon EC2
4 1 (7.69%) Amazon SQS
4 1 (7.69%) iPaaS
4 1 (7.69%) SaaS
Communications & Networking
1 4 (30.77%) GoToMeeting
1 4 (30.77%) Skype
2 1 (7.69%) Internet
2 1 (7.69%) Reverse Proxy
Database & Business Intelligence
1 1 (7.69%) Blockchain
1 1 (7.69%) Data Warehouse
1 1 (7.69%) MySQL
1 1 (7.69%) SQL Server
1 1 (7.69%) SQL Server 2016
Development Applications
1 6 (46.15%) JIRA
2 4 (30.77%) Team Foundation Server
3 2 (15.38%) Git (software)
4 1 (7.69%) Bitbucket
4 1 (7.69%) Jenkins
4 1 (7.69%) Octopus Deploy
4 1 (7.69%) PHPUnit
4 1 (7.69%) TeamCity
General
1 5 (38.46%) Finance
2 1 (7.69%) Games
Job Titles
1 7 (53.85%) Developer
2 5 (38.46%) C# Developer
3 4 (30.77%) .NET Developer
3 4 (30.77%) C# .NET Developer
3 4 (30.77%) CRM Developer
3 4 (30.77%) Dynamics CRM Developer
3 4 (30.77%) Scrum Master
4 3 (23.08%) Azure Developer
5 1 (7.69%) ASP.NET Developer
5 1 (7.69%) C# ASP.NET Developer
5 1 (7.69%) Internet Developer
5 1 (7.69%) PHP Developer
5 1 (7.69%) PHP Developer - Fintech
5 1 (7.69%) Senior Software Engineer
5 1 (7.69%) Senior Software Test Engineer
5 1 (7.69%) Senior Test Engineer
5 1 (7.69%) Software Engineer
5 1 (7.69%) Software Test Engineer
5 1 (7.69%) Test Engineer
Libraries, Frameworks & Software Standards
1 6 (46.15%) .NET
2 4 (30.77%) .NET Core
3 3 (23.08%) .NET Framework
3 3 (23.08%) AngularJS
4 2 (15.38%) ASP.NET
5 1 (7.69%) ASP.NET MVC
5 1 (7.69%) ASP.NET MVC 5
5 1 (7.69%) ASP.NET Web API
5 1 (7.69%) Behat
5 1 (7.69%) CSS
5 1 (7.69%) HTML
5 1 (7.69%) JSON
5 1 (7.69%) KnockoutJS
5 1 (7.69%) LAMP
5 1 (7.69%) REST
5 1 (7.69%) RESTful
5 1 (7.69%) Symfony
5 1 (7.69%) Twitter Bootstrap
5 1 (7.69%) WCF
5 1 (7.69%) XML
Miscellaneous
1 3 (23.08%) Video Conferencing
2 1 (7.69%) Enterprise Software
Operating Systems
1 2 (15.38%) Linux
2 1 (7.69%) Ubuntu
Processes & Methodologies
1 11 (84.62%) Agile Software Development
2 10 (76.92%) Test Automation
3 6 (46.15%) BDD
3 6 (46.15%) Continuous Integration
4 5 (38.46%) Pair Programming
4 5 (38.46%) Scrum
5 4 (30.77%) CRM
5 4 (30.77%) Release Train
5 4 (30.77%) SDLC
5 4 (30.77%) Task Automation
5 4 (30.77%) Unit Testing
5 4 (30.77%) User Stories
6 3 (23.08%) Continuous Improvement
6 3 (23.08%) Document Management
7 2 (15.38%) DevOps
7 2 (15.38%) Kanban
7 2 (15.38%) Software Engineering
8 1 (7.69%) Data Privacy
8 1 (7.69%) Mentoring
8 1 (7.69%) Microservices
Programming Languages
1 7 (53.85%) C#
2 4 (30.77%) SQL
3 1 (7.69%) C
3 1 (7.69%) C++
3 1 (7.69%) Java
3 1 (7.69%) JavaScript
3 1 (7.69%) PHP
3 1 (7.69%) PHP 7
Quality Assurance & Compliance
1 1 (7.69%) QA
System Software
1 1 (7.69%) Docker
Systems Management
1 1 (7.69%) Kubernetes
Vendors
1 4 (30.77%) Microsoft