Period
to 18 January 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 18 January 2018 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
West Midlands > Staffordshire
6 months to
18 Jan 2018
Same period 2017 Same period 2016
Rank 35 21 44
Rank change year-on-year -14 +23 +23
Permanent jobs citing TDD 64 123 58
As % of all permanent IT jobs advertised in Staffordshire 5.80% 10.88% 5.05%
As % of the Processes & Methodologies category 6.78% 11.67% 5.76%
Number of salaries quoted 63 120 58
Staffordshire median annual salary £40,000 £42,500 £40,000
Median salary % change year-on-year -5.88% +6.25% -
10th Percentile £31,250 £29,275 £30,800
90th Percentile £56,250 £57,500 £58,750
West Midlands median annual salary £40,000 £42,500 £40,000
% change year-on-year -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 944 1,054 1,007
As % of all permanent IT jobs advertised in Staffordshire 85.58% 93.19% 87.72%
Number of salaries quoted 777 898 897
Staffordshire median annual salary £37,500 £40,000 £37,500
Median salary % change year-on-year -6.25% +6.67% -
10th Percentile £21,250 £25,500 £23,000
90th Percentile £62,500 £57,500 £55,500
West Midlands median annual salary £41,250 £41,500 £41,500
% change year-on-year -0.60% - +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 18 January 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 18 January 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 +7 23 £37,500 -6.25% 2
Stoke-on-Trent -8 18 £39,250 -1.88% 2
Tamworth -7 10 £40,000 +17.65%
Burton-upon-Trent +9 4 £46,250 +8.82% 2
Lichfield -5 3 £46,250 -4.64%
Cannock +1 1 £25,500 -27.14% 1
TDD
West Midlands

For the 6 months to 18 January 2018, 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 Staffordshire region with a requirement for TDD.

1 48 (75.00%) Agile Software Development
2 45 (70.31%) C#
2 45 (70.31%) .NET
3 41 (64.06%) SQL Server
4 29 (45.31%) JavaScript
5 25 (39.06%) HTML
5 25 (39.06%) SOLID
6 24 (37.50%) AngularJS
7 23 (35.94%) WPF
8 22 (34.38%) ASP.NET
9 21 (32.81%) CSS
9 21 (32.81%) MVC
10 20 (31.25%) Software Engineering
11 18 (28.13%) Unit Testing
12 17 (26.56%) Microservices
13 16 (25.00%) SQL Server 2008
13 16 (25.00%) ASP.NET MVC
13 16 (25.00%) Electronics
13 16 (25.00%) MySQL
14 15 (23.44%) Continuous Integration
14 15 (23.44%) HTML5
15 14 (21.88%) SQL
16 13 (20.31%) Microsoft
16 13 (20.31%) Test Automation
17 12 (18.75%) SDLC
18 11 (17.19%) QA
19 10 (15.63%) .NET Framework
19 10 (15.63%) Degree
19 10 (15.63%) Entity Framework
19 10 (15.63%) CSS3

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:

Applications
1 8 (12.50%) Simulink
Cloud Services
1 7 (10.94%) GitHub
2 4 (6.25%) SaaS
3 1 (1.56%) Amazon AWS
3 1 (1.56%) Microsoft Azure
Database & Business Intelligence
1 41 (64.06%) SQL Server
2 16 (25.00%) MySQL
2 16 (25.00%) SQL Server 2008
3 10 (15.63%) Big Data
4 6 (9.38%) SQL Server 2012
Development Applications
1 7 (10.94%) Selenium
2 2 (3.13%) SpecFlow
3 1 (1.56%) gulp
3 1 (1.56%) Jenkins
3 1 (1.56%) JIRA
3 1 (1.56%) Karma Test Runner
3 1 (1.56%) Mocha
3 1 (1.56%) Moq
3 1 (1.56%) MSTest
3 1 (1.56%) NUnit
3 1 (1.56%) Octopus Deploy
3 1 (1.56%) Team Foundation Server
3 1 (1.56%) TeamCity
3 1 (1.56%) Visual Studio
General
1 16 (25.00%) Electronics
2 3 (4.69%) Retail
3 2 (3.13%) Finance
4 1 (1.56%) Aerospace
4 1 (1.56%) Automotive
4 1 (1.56%) Marketing
Job Titles
1 45 (70.31%) Developer
2 32 (50.00%) C# Developer
3 27 (42.19%) .NET Developer
4 25 (39.06%) C# .NET Developer
5 20 (31.25%) Senior Developer
6 19 (29.69%) Senior C# Developer
7 18 (28.13%) Senior .NET Developer
7 18 (28.13%) Senior C# .NET Developer
8 16 (25.00%) ASP.NET Developer
8 16 (25.00%) C# ASP.NET Developer
9 12 (18.75%) Web Developer
10 11 (17.19%) Software Engineer
11 10 (15.63%) Senior ASP.NET Developer
11 10 (15.63%) Senior C# ASP.NET Developer
12 9 (14.06%) Software Developer
13 8 (12.50%) ASP.NET MVC Developer
13 8 (12.50%) Senior ASP.NET MVC Developer
14 6 (9.38%) C# Web Developer
14 6 (9.38%) C# WPF Developer
14 6 (9.38%) WPF Developer
Libraries, Frameworks & Software Standards
1 45 (70.31%) .NET
2 25 (39.06%) HTML
3 24 (37.50%) AngularJS
4 23 (35.94%) WPF
5 22 (34.38%) ASP.NET
6 21 (32.81%) CSS
7 16 (25.00%) ASP.NET MVC
8 15 (23.44%) HTML5
9 10 (15.63%) .NET Framework
9 10 (15.63%) CSS3
9 10 (15.63%) Entity Framework
10 8 (12.50%) Middleware
10 8 (12.50%) Sass
11 7 (10.94%) LESS
11 7 (10.94%) REST
11 7 (10.94%) SOAP
12 6 (9.38%) ASP.NET MVC 4
12 6 (9.38%) DOM
12 6 (9.38%) jQuery
13 3 (4.69%) ASP.NET Web API
Miscellaneous
1 8 (12.50%) Algorithms
1 8 (12.50%) Analytical Skills
2 2 (3.13%) Enterprise Software
3 1 (1.56%) EPoS
3 1 (1.56%) Marketing Technology
3 1 (1.56%) Mobile App
Operating Systems
1 2 (3.13%) Windows
Processes & Methodologies
1 48 (75.00%) Agile Software Development
2 25 (39.06%) SOLID
3 21 (32.81%) MVC
4 20 (31.25%) Software Engineering
5 18 (28.13%) Unit Testing
6 17 (26.56%) Microservices
7 15 (23.44%) Continuous Integration
8 13 (20.31%) Test Automation
9 12 (18.75%) SDLC
10 10 (15.63%) Mentoring
10 10 (15.63%) Regression Testing
11 9 (14.06%) Scrum
12 8 (12.50%) E-Commerce
12 8 (12.50%) Line Management
12 8 (12.50%) Software Architecture
12 8 (12.50%) SysML
12 8 (12.50%) UML
12 8 (12.50%) Web Development
13 7 (10.94%) SOA
14 6 (9.38%) OO
Programming Languages
1 45 (70.31%) C#
2 29 (45.31%) JavaScript
3 14 (21.88%) SQL
4 9 (14.06%) MATLAB
5 2 (3.13%) Java
5 2 (3.13%) T-SQL
5 2 (3.13%) TypeScript
5 2 (3.13%) VB.NET
6 1 (1.56%) C
6 1 (1.56%) C++
6 1 (1.56%) Fortran
6 1 (1.56%) PHP
6 1 (1.56%) Python
Qualifications
1 10 (15.63%) Degree
2 2 (3.13%) ISEB
2 2 (3.13%) ISTQB
2 2 (3.13%) ISTQB Foundation Certification
2 2 (3.13%) SC Cleared
2 2 (3.13%) Security Cleared
3 1 (1.56%) Computer Science Degree
3 1 (1.56%) PhD
Quality Assurance & Compliance
1 11 (17.19%) QA
2 8 (12.50%) IEC 61508
2 8 (12.50%) IEC 62304
System Software
1 8 (12.50%) Firmware
Vendors
1 13 (20.31%) Microsoft
2 1 (1.56%) Google