Period
to 21 November 2018

The following table provides summary statistics for permanent job vacancies advertised in Warrington 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 21 November 2018 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Cheshire > Warrington
6 months to
21 Nov 2018
Same period 2017 Same period 2016
Rank 23 20 11
Rank change year-on-year -3 -9 +6
Permanent jobs citing TDD 65 74 111
As % of all permanent IT jobs advertised in Warrington 10.03% 11.35% 17.85%
As % of the Processes & Methodologies category 10.50% 12.94% 18.81%
Number of salaries quoted 67 72 111
Warrington median annual salary £55,000 £43,500 £37,500
Median salary % change year-on-year +26.44% +16.00% +7.14%
10th Percentile £41,000 £35,000 £22,500
90th Percentile £62,500 £68,750 £53,750
Cheshire median annual salary £50,165 £47,500 £40,000
% change year-on-year +5.61% +18.75% -

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 Warrington with a requirement for process or methodology skills.

All Process and Methodology Skills
Warrington
Permanent vacancies with a requirement for process or methodology skills 619 572 590
As % of all permanent IT jobs advertised in Warrington 95.52% 87.73% 94.86%
Number of salaries quoted 497 458 506
Warrington median annual salary £45,000 £41,000 £38,000
Median salary % change year-on-year +9.76% +7.89% +1.33%
10th Percentile £28,250 £24,000 £22,500
90th Percentile £65,000 £63,750 £53,500
Cheshire median annual salary £45,000 £43,232 £37,500
% change year-on-year +4.09% +15.28% -6.25%

TDD
Job Vacancy Trend in Warrington

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

Job vacancy trend for TDD in Warrington

TDD
Salary Trend in Warrington

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

Salary trend for TDD in Warrington

TDD
Salary Histogram in Warrington

The salary distribution of IT jobs citing TDD in Warrington over the 6 months to 21 November 2018.

Salary histogram for TDD in Warrington

For the 6 months to 21 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 Warrington region with a requirement for TDD.

1 53 (81.54%) C#
1 53 (81.54%) .NET
2 47 (72.31%) Agile Software Development
3 41 (63.08%) Continuous Integration
4 38 (58.46%) Scrum
5 36 (55.38%) WCF
6 29 (44.62%) MVC
7 28 (43.08%) ASP.NET
7 28 (43.08%) Problem-Solving
8 27 (41.54%) WPF
9 26 (40.00%) Software Engineering
9 26 (40.00%) SQL Server
9 26 (40.00%) AngularJS
9 26 (40.00%) ASP.NET Web API
10 25 (38.46%) Kanban
11 24 (36.92%) RESTful
11 24 (36.92%) ASP.NET MVC
11 24 (36.92%) Dependency Injection
11 24 (36.92%) MVVM
11 24 (36.92%) SQL Server 2016
11 24 (36.92%) Hyperconnected
11 24 (36.92%) WinForms
11 24 (36.92%) Internet
12 19 (29.23%) SQL
13 16 (24.62%) Continuous Deployment
13 16 (24.62%) DevOps
14 15 (23.08%) Git (software)
15 14 (21.54%) SDLC
15 14 (21.54%) SOLID
16 13 (20.00%) Microsoft Azure

TDD
Co-occurring IT Skills in Warrington 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:

Business Applications
1 3 (4.62%) Dynamics CRM
Cloud Services
1 13 (20.00%) Microsoft Azure
2 11 (16.92%) SaaS
3 1 (1.54%) Amazon AWS
3 1 (1.54%) GitHub
Communications & Networking
1 24 (36.92%) Hyperconnected
1 24 (36.92%) Internet
Database & Business Intelligence
1 26 (40.00%) SQL Server
2 24 (36.92%) SQL Server 2016
Development Applications
1 15 (23.08%) Git (software)
2 11 (16.92%) Jenkins
3 3 (4.62%) Octopus Deploy
3 3 (4.62%) SonarQube
3 3 (4.62%) Team Foundation Server
4 1 (1.54%) GitLab
4 1 (1.54%) LoadRunner
4 1 (1.54%) MSTest
4 1 (1.54%) NUnit
4 1 (1.54%) webpack
Job Titles
1 41 (63.08%) Developer
2 27 (41.54%) .NET Developer
3 24 (36.92%) Internet Developer
4 15 (23.08%) Software Engineer
5 12 (18.46%) .NET Software Engineer
6 7 (10.77%) Lead Developer
7 6 (9.23%) Senior Software Engineer
8 5 (7.69%) Senior Developer
8 5 (7.69%) Test Manager
9 4 (6.15%) Applications Developer
9 4 (6.15%) C# Software Engineer
9 4 (6.15%) Web Developer
10 3 (4.62%) Head of Delivery
10 3 (4.62%) Senior .NET Software Engineer
10 3 (4.62%) Senior C# Software Engineer
11 2 (3.08%) C# .NET Developer
11 2 (3.08%) Lead .NET Developer
11 2 (3.08%) Principal Developer
11 2 (3.08%) Senior Applications Developer
11 2 (3.08%) User Researcher
Libraries, Frameworks & Software Standards
1 53 (81.54%) .NET
2 36 (55.38%) WCF
3 28 (43.08%) ASP.NET
4 27 (41.54%) WPF
5 26 (40.00%) AngularJS
5 26 (40.00%) ASP.NET Web API
6 24 (36.92%) ASP.NET MVC
6 24 (36.92%) RESTful
6 24 (36.92%) WinForms
7 5 (7.69%) HTML
8 4 (6.15%) .NET Core
8 4 (6.15%) CSS
8 4 (6.15%) Node.js
9 3 (4.62%) .NET Framework
9 3 (4.62%) ASP.NET Core
9 3 (4.62%) Entity Framework
10 1 (1.54%) LESS
10 1 (1.54%) Reactive Extensions
10 1 (1.54%) Sass
10 1 (1.54%) Web Services
Miscellaneous
1 12 (18.46%) N-Tier
2 2 (3.08%) Analytical Skills
2 2 (3.08%) Greenfield Project
3 1 (1.54%) Computer Science
3 1 (1.54%) Enterprise Software
Processes & Methodologies
1 47 (72.31%) Agile Software Development
2 41 (63.08%) Continuous Integration
3 38 (58.46%) Scrum
4 29 (44.62%) MVC
5 28 (43.08%) Problem-Solving
6 26 (40.00%) Software Engineering
7 25 (38.46%) Kanban
8 24 (36.92%) Dependency Injection
8 24 (36.92%) MVVM
9 16 (24.62%) Continuous Deployment
9 16 (24.62%) DevOps
10 14 (21.54%) SDLC
10 14 (21.54%) SOLID
11 13 (20.00%) OO
12 12 (18.46%) Unit Testing
13 11 (16.92%) Don't repeat yourself (DRY)
13 11 (16.92%) OOP
14 6 (9.23%) BDD
15 5 (7.69%) Waterfall
15 5 (7.69%) Web Development
Programming Languages
1 53 (81.54%) C#
2 19 (29.23%) SQL
3 6 (9.23%) JavaScript
4 5 (7.69%) Java
5 4 (6.15%) C++
5 4 (6.15%) Ruby
6 1 (1.54%) ES6
6 1 (1.54%) Python
6 1 (1.54%) T-SQL
6 1 (1.54%) TypeScript
Qualifications
1 1 (1.54%) Degree
Quality Assurance & Compliance
1 2 (3.08%) QA
Systems Management
1 11 (16.92%) Ansible
Vendors
1 9 (13.85%) Microsoft
2 3 (4.62%) Xamarin
3 1 (1.54%) Unisys