Period
to 24 November 2017

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 24 November 2017 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Cheshire > Warrington
6 months to
24 Nov 2017
Same period 2016 Same period 2015
Rank 21 13 16
Rank change year-on-year -8 +3 -3
Permanent jobs citing TDD 72 107 116
As % of all permanent IT jobs advertised in Warrington 11.18% 17.01% 11.85%
As % of the Processes & Methodologies category 13.36% 18.32% 12.92%
Number of salaries quoted 70 107 115
Warrington median annual salary £43,500 £37,500 £35,000
Median salary % change year-on-year +16.00% +7.14% -
10th Percentile £35,000 £22,500 £22,500
90th Percentile £68,750 £53,450 £47,500
Cheshire median annual salary £47,500 £40,000 £40,000
% change year-on-year +18.75% - +6.67%

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 539 584 898
As % of all permanent IT jobs advertised in Warrington 83.70% 92.85% 91.73%
Number of salaries quoted 436 499 799
Warrington median annual salary £42,500 £37,500 £37,500
Median salary % change year-on-year +13.33% - -
10th Percentile £26,125 £22,500 £22,500
90th Percentile £63,750 £53,250 £53,750
Cheshire median annual salary £45,000 £37,500 £40,000
% change year-on-year +20.00% -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 24 November 2017.

Salary histogram for TDD in Warrington

For the 6 months to 24 November 2017, IT jobs citing TDD also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the Warrington region with a requirement for TDD.

1 70 (97.22%) SQL Server
1 70 (97.22%) Agile Software Development
2 66 (91.67%) .NET
2 66 (91.67%) C#
3 64 (88.89%) ASP.NET
3 64 (88.89%) MVC
3 64 (88.89%) ASP.NET MVC
3 64 (88.89%) ASP.NET Web API
4 63 (87.50%) RESTful
4 63 (87.50%) OO
5 61 (84.72%) Ruby
5 61 (84.72%) Node.js
5 61 (84.72%) Web Application Development
5 61 (84.72%) SQL Server 2014
5 61 (84.72%) ASP.NET MVC 5
6 34 (47.22%) BDD
6 34 (47.22%) WCF
7 33 (45.83%) Git (software)
8 32 (44.44%) Kanban
8 32 (44.44%) Microsoft
9 31 (43.06%) NoSQL
10 30 (41.67%) RabbitMQ
10 30 (41.67%) MongoDB
10 30 (41.67%) Microsoft Azure
10 30 (41.67%) Dependency Injection
10 30 (41.67%) KnockoutJS
10 30 (41.67%) AngularJS
10 30 (41.67%) Twitter Bootstrap
10 30 (41.67%) Elasticsearch
10 30 (41.67%) Kibana

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:

Application Platforms
1 30 (41.67%) Elasticsearch
2 2 (2.78%) Tomcat
Cloud Services
1 30 (41.67%) Microsoft Azure
Database & Business Intelligence
1 70 (97.22%) SQL Server
2 61 (84.72%) SQL Server 2014
3 31 (43.06%) NoSQL
4 30 (41.67%) MongoDB
5 3 (4.17%) SQL Server 2012
6 2 (2.78%) Microsoft Analysis Services
6 2 (2.78%) SQL Server Analysis Services
6 2 (2.78%) SQL Server Integration Services
6 2 (2.78%) SQL Server Reporting Services
Development Applications
1 33 (45.83%) Git (software)
2 30 (41.67%) TeamCity
3 5 (6.94%) Team Foundation Server
4 2 (2.78%) NuGet
General
1 2 (2.78%) Banking
1 2 (2.78%) Finance
Job Titles
1 68 (94.44%) Developer
2 66 (91.67%) .NET Developer
3 33 (45.83%) .NET Software Developer
4 30 (41.67%) Messaging Developer
5 3 (4.17%) Lead .NET Developer
5 3 (4.17%) Lead Developer
6 2 (2.78%) Agile .NET Developer
6 2 (2.78%) DevOps Developer
6 2 (2.78%) Java Engineer
6 2 (2.78%) Java Software Engineer
6 2 (2.78%) Senior .NET Developer
6 2 (2.78%) Senior Developer
6 2 (2.78%) Senior DevOps
6 2 (2.78%) Senior Java Engineer
6 2 (2.78%) Senior Java Software Engineer
6 2 (2.78%) Senior Software Developer
6 2 (2.78%) Senior Software Engineer
6 2 (2.78%) Software Developer
6 2 (2.78%) Software Engineer
6 2 (2.78%) SQL Developer
Libraries, Frameworks & Software Standards
1 66 (91.67%) .NET
2 64 (88.89%) ASP.NET
2 64 (88.89%) ASP.NET MVC
2 64 (88.89%) ASP.NET Web API
3 63 (87.50%) RESTful
4 61 (84.72%) ASP.NET MVC 5
4 61 (84.72%) Node.js
5 34 (47.22%) WCF
6 30 (41.67%) AngularJS
6 30 (41.67%) KnockoutJS
6 30 (41.67%) MSMQ
6 30 (41.67%) RabbitMQ
6 30 (41.67%) Twitter Bootstrap
6 30 (41.67%) WPF
7 3 (4.17%) .NET Framework
7 3 (4.17%) ASP.NET Web Forms
7 3 (4.17%) Entity Framework
7 3 (4.17%) Web Services
8 2 (2.78%) Hibernate
8 2 (2.78%) Spring
Miscellaneous
1 2 (2.78%) Algorithms
1 2 (2.78%) Computer Science
1 2 (2.78%) Data Structures
1 2 (2.78%) Replication
Operating Systems
1 4 (5.56%) Windows
2 2 (2.78%) Linux
2 2 (2.78%) Unix
Processes & Methodologies
1 70 (97.22%) Agile Software Development
2 64 (88.89%) MVC
3 63 (87.50%) OO
4 61 (84.72%) Web Application Development
5 34 (47.22%) BDD
6 32 (44.44%) Kanban
7 30 (41.67%) Dependency Injection
7 30 (41.67%) Multithreading
8 9 (12.50%) Continuous Integration
9 4 (5.56%) DevOps
10 3 (4.17%) Translating Business Requirements
11 2 (2.78%) Collaborative Working
11 2 (2.78%) Continuous Delivery
11 2 (2.78%) Database Tuning
11 2 (2.78%) High Availability
11 2 (2.78%) Machine Learning
11 2 (2.78%) Open Source
11 2 (2.78%) Open Source Development
11 2 (2.78%) Performance Tuning
11 2 (2.78%) Scrum
Programming Languages
1 66 (91.67%) C#
2 61 (84.72%) Ruby
3 30 (41.67%) F#
4 7 (9.72%) SQL
5 5 (6.94%) T-SQL
6 2 (2.78%) Java
6 2 (2.78%) PowerShell
6 2 (2.78%) VB.NET
Qualifications
1 2 (2.78%) Computer Science Degree
1 2 (2.78%) Degree
Quality Assurance & Compliance
1 4 (5.56%) QA
System Software
1 2 (2.78%) Active Directory
1 2 (2.78%) Hyper-V
1 2 (2.78%) Virtual Machines
1 2 (2.78%) VirtualBox
1 2 (2.78%) VMware Infrastructure
1 2 (2.78%) Xen
Systems Management
1 30 (41.67%) Business Desktop Deployment
1 30 (41.67%) Kibana
1 30 (41.67%) WSUS
2 2 (2.78%) Ansible
2 2 (2.78%) Opscode Chef
2 2 (2.78%) Puppet
Vendors
1 32 (44.44%) Microsoft
2 3 (4.17%) DevExpress
3 2 (2.78%) VMware