Period
to 14 December 2018

The following table provides summary statistics for permanent job vacancies advertised in Staffordshire 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 14 December 2018 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
West Midlands > Staffordshire
6 months to
14 Dec 2018
Same period 2017 Same period 2016
Rank 44 29 21
Rank change year-on-year -15 -8 +34
Permanent jobs citing TDD 28 79 127
As % of all permanent IT jobs advertised in Staffordshire 4.38% 6.79% 10.74%
As % of the Processes & Methodologies category 4.71% 7.69% 11.45%
Number of salaries quoted 28 75 123
Staffordshire median annual salary £35,000 £40,000 £45,000
Median salary % change year-on-year -12.50% -11.11% +12.50%
10th Percentile £27,125 £31,250 £32,500
90th Percentile £54,875 £55,250 £58,750
West Midlands median annual salary £45,000 £40,000 £42,500
% change year-on-year +12.50% -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 Staffordshire with a requirement for process or methodology skills.

All Process and Methodology Skills
Staffordshire
Permanent vacancies with a requirement for process or methodology skills 594 1,027 1,109
As % of all permanent IT jobs advertised in Staffordshire 92.81% 88.23% 93.74%
Number of salaries quoted 533 842 968
Staffordshire median annual salary £40,000 £37,500 £40,000
Median salary % change year-on-year +6.67% -6.25% +12.68%
10th Percentile £24,298 £21,250 £24,000
90th Percentile £57,400 £59,950 £57,500
West Midlands median annual salary £45,000 £40,000 £41,500
% change year-on-year +12.50% -3.61% +3.75%

TDD
Job Vacancy Trend in Staffordshire

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

Job vacancy trend for TDD in Staffordshire

TDD
Salary Trend in Staffordshire

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

Salary trend for TDD in Staffordshire

TDD
Salary Histogram in Staffordshire

The salary distribution of IT jobs citing TDD in Staffordshire over the 6 months to 14 December 2018.

Salary histogram for TDD in Staffordshire

TDD
Job Locations in Staffordshire

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing TDD within the Staffordshire region over the 6 months to 14 December 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
Stafford +11 11 £33,900 -9.60% 2
Stoke-on-Trent -15 10 £43,750 +9.38% 7
Burton-upon-Trent +3 1 £27,500 -40.54% 1
Cannock +1 1 £35,000 +37.25%
Uttoxeter - 1 £37,500 -
TDD
West Midlands

For the 6 months to 14 December 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 Staffordshire region with a requirement for TDD.

1 23 (82.14%) C#
2 22 (78.57%) .NET
3 21 (75.00%) MVC
3 21 (75.00%) Agile Software Development
4 20 (71.43%) ASP.NET
5 17 (60.71%) ASP.NET Web API
6 16 (57.14%) WCF
6 16 (57.14%) ASP.NET MVC
7 15 (53.57%) REST
7 15 (53.57%) SQL Server
7 15 (53.57%) .NET Framework
8 14 (50.00%) NUnit
8 14 (50.00%) Entity Framework
9 13 (46.43%) Visual Studio
9 13 (46.43%) SQL
10 12 (42.86%) JavaScript
10 12 (42.86%) ReSharper
11 11 (39.29%) Unit Testing
12 10 (35.71%) LINQ
12 10 (35.71%) Finance
13 9 (32.14%) SOA
13 9 (32.14%) Selenium
13 9 (32.14%) SOLID
14 8 (28.57%) NoSQL
14 8 (28.57%) BDD
14 8 (28.57%) Dependency Injection
14 8 (28.57%) OOP
14 8 (28.57%) Software Engineering
15 7 (25.00%) PostgreSQL
15 7 (25.00%) WinForms

TDD
Co-occurring IT Skills in Staffordshire 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 3 (10.71%) CMS
Cloud Services
1 7 (25.00%) Microsoft Azure
2 3 (10.71%) SaaS
3 2 (7.14%) GitHub
4 1 (3.57%) Amazon AWS
4 1 (3.57%) Azure Functions
4 1 (3.57%) Serverless
Communications & Networking
1 1 (3.57%) Hyperconnected
1 1 (3.57%) Internet
1 1 (3.57%) SMS
Database & Business Intelligence
1 15 (53.57%) SQL Server
2 8 (28.57%) NoSQL
3 7 (25.00%) PostgreSQL
4 6 (21.43%) Apache Cassandra
5 2 (7.14%) MySQL
5 2 (7.14%) SQL Server 2012
5 2 (7.14%) SQL Server 2016
6 1 (3.57%) Cosmos DB
6 1 (3.57%) MongoDB
6 1 (3.57%) RavenDB
6 1 (3.57%) Redis
Development Applications
1 14 (50.00%) NUnit
2 13 (46.43%) Visual Studio
3 12 (42.86%) ReSharper
4 9 (32.14%) Selenium
5 7 (25.00%) Moq
5 7 (25.00%) NSubstitute
5 7 (25.00%) Team Foundation Server
6 6 (21.43%) CruiseControl
7 2 (7.14%) Git (software)
8 1 (3.57%) PHPUnit
8 1 (3.57%) Visual Studio Team System
General
1 10 (35.71%) Finance
2 6 (21.43%) Automotive
3 3 (10.71%) Games
Job Titles
1 22 (78.57%) Developer
2 10 (35.71%) .NET Developer
2 10 (35.71%) C# Developer
3 9 (32.14%) Software Developer
4 7 (25.00%) C# .NET Developer
5 5 (17.86%) ASP.NET Developer
5 5 (17.86%) ASP.NET MVC Developer
5 5 (17.86%) C# ASP.NET Developer
5 5 (17.86%) C# Software Developer
6 4 (14.29%) Web Developer
7 3 (10.71%) C# Software Engineer
7 3 (10.71%) Software Engineer
8 2 (7.14%) .NET Software Developer
8 2 (7.14%) .NET Web Developer
8 2 (7.14%) Applications Developer
8 2 (7.14%) C# Web Developer
8 2 (7.14%) Full Stack Developer
8 2 (7.14%) PHP Developer
8 2 (7.14%) Web Applications Developer
8 2 (7.14%) WinForms Developer
Libraries, Frameworks & Software Standards
1 22 (78.57%) .NET
2 20 (71.43%) ASP.NET
3 17 (60.71%) ASP.NET Web API
4 16 (57.14%) ASP.NET MVC
4 16 (57.14%) WCF
5 15 (53.57%) .NET Framework
5 15 (53.57%) REST
6 14 (50.00%) Entity Framework
7 10 (35.71%) LINQ
8 7 (25.00%) CSS
8 7 (25.00%) HTML
8 7 (25.00%) Ninject
8 7 (25.00%) WinForms
8 7 (25.00%) XML
9 6 (21.43%) XSD
10 5 (17.86%) AngularJS
11 4 (14.29%) ADO.NET
11 4 (14.29%) RESTful
12 3 (10.71%) SOAP
13 2 (7.14%) Web Services
Miscellaneous
1 7 (25.00%) Greenfield Project
Operating Systems
1 7 (25.00%) Windows
2 1 (3.57%) Android
Processes & Methodologies
1 21 (75.00%) Agile Software Development
1 21 (75.00%) MVC
2 11 (39.29%) Unit Testing
3 9 (32.14%) SOA
3 9 (32.14%) SOLID
4 8 (28.57%) BDD
4 8 (28.57%) Dependency Injection
4 8 (28.57%) OOP
4 8 (28.57%) Software Engineering
5 7 (25.00%) Continuous Integration
5 7 (25.00%) Inversion of Control
5 7 (25.00%) OOD
6 6 (21.43%) Mob Programming
6 6 (21.43%) Refactoring
7 4 (14.29%) Migration
7 4 (14.29%) Web Development
8 3 (10.71%) CRM
8 3 (10.71%) Scrum
8 3 (10.71%) Test Automation
8 3 (10.71%) Web Application Development
Programming Languages
1 23 (82.14%) C#
2 13 (46.43%) SQL
3 12 (42.86%) JavaScript
4 7 (25.00%) T-SQL
5 2 (7.14%) ES6
5 2 (7.14%) PHP
6 1 (3.57%) C++
6 1 (3.57%) ES7
6 1 (3.57%) ES8
6 1 (3.57%) F#
6 1 (3.57%) PHP 7
6 1 (3.57%) Ruby
Qualifications
1 1 (3.57%) Computer Science Degree
1 1 (3.57%) Degree
1 1 (3.57%) ISTQB
System Software
1 1 (3.57%) Docker
Systems Management
1 1 (3.57%) Kubernetes
Vendors
1 2 (7.14%) Microsoft
2 1 (3.57%) Zend