Period
to 17 November 2017

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

Test-Driven Development (TDD)
West Midlands > Staffordshire
6 months to
17 Nov 2017
Same period 2016 Same period 2015
Rank 27 23 56
Rank change year-on-year -4 +33 +17
Permanent jobs citing TDD 85 135 50
As % of all permanent IT jobs advertised in Staffordshire 7.07% 10.69% 4.11%
As % of the Processes & Methodologies category 8.13% 11.59% 4.60%
Number of salaries quoted 81 131 49
Staffordshire median annual salary £40,000 £45,000 £40,000
Median salary % change year-on-year -11.11% +12.50% +10.34%
10th Percentile £31,250 £32,500 £31,250
90th Percentile £56,250 £60,000 £52,500
West Midlands median annual salary £40,000 £40,000 £41,500
% change year-on-year - -3.61% +3.75%

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 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 1045 1165 1086
As % of all permanent IT jobs advertised in Staffordshire 86.94% 92.24% 89.31%
Number of salaries quoted 846 1027 948
Staffordshire median annual salary £37,500 £37,500 £37,125
Median salary % change year-on-year - +1.01% +3.13%
10th Percentile £21,625 £23,000 £24,000
90th Percentile £57,750 £56,750 £55,000
West Midlands median annual salary £40,000 £40,000 £40,000

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 17 November 2017.

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 17 November 2017. 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
Stoke-on-Trent -3 33 £40,000 -5.88%
Stafford +2 21 £37,000 -1.33% 2
Tamworth +7 15 £40,000 +10.34%
Lichfield -14 8 £42,500 -12.37%
Burton-upon-Trent +5 4 £46,250 +8.82%
Cannock -2 1 £25,500 -27.14%
TDD
West Midlands

For the 6 months to 17 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 Staffordshire region with a requirement for TDD.

1 65 (76.47%) C#
1 65 (76.47%) .NET
2 61 (71.76%) SQL Server
2 61 (71.76%) Agile Software Development
3 42 (49.41%) SOLID
4 40 (47.06%) HTML
4 40 (47.06%) WPF
5 33 (38.82%) AngularJS
6 32 (37.65%) JavaScript
7 31 (36.47%) CSS
8 30 (35.29%) Microservices
9 29 (34.12%) ASP.NET
9 29 (34.12%) MySQL
9 29 (34.12%) SQL Server 2008
10 28 (32.94%) MVC
11 26 (30.59%) Electronics
12 23 (27.06%) HTML5
13 22 (25.88%) ASP.NET MVC
14 21 (24.71%) Microsoft
14 21 (24.71%) Mentoring
15 19 (22.35%) Unit Testing
15 19 (22.35%) Continuous Integration
15 19 (22.35%) Software Engineering
16 18 (21.18%) E-Commerce
16 18 (21.18%) Line Management
17 17 (20.00%) SDLC
18 14 (16.47%) Test Automation
18 14 (16.47%) ASP.NET Web API
19 13 (15.29%) CSS3
19 13 (15.29%) Big Data

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 1 (1.18%) JBoss
1 1 (1.18%) Oracle SOA Suite
Applications
1 8 (9.41%) Simulink
Cloud Services
1 8 (9.41%) SaaS
2 5 (5.88%) GitHub
3 1 (1.18%) Amazon AWS
3 1 (1.18%) Microsoft Azure
Database & Business Intelligence
1 61 (71.76%) SQL Server
2 29 (34.12%) MySQL
2 29 (34.12%) SQL Server 2008
3 13 (15.29%) Big Data
4 4 (4.71%) SQL Server 2012
Development Applications
1 6 (7.06%) Selenium
2 5 (5.88%) Team Foundation Server
3 3 (3.53%) Octopus Deploy
3 3 (3.53%) SpecFlow
3 3 (3.53%) TeamCity
4 2 (2.35%) MSTest
4 2 (2.35%) NUnit
5 1 (1.18%) Eclipse
5 1 (1.18%) Karma Test Runner
5 1 (1.18%) Mocha
5 1 (1.18%) Moq
5 1 (1.18%) Subversion
General
1 26 (30.59%) Electronics
2 7 (8.24%) Retail
3 2 (2.35%) Finance
4 1 (1.18%) Marketing
4 1 (1.18%) Pharmaceutical
Job Titles
1 63 (74.12%) Developer
2 48 (56.47%) C# Developer
3 35 (41.18%) Senior Developer
4 33 (38.82%) .NET Developer
4 33 (38.82%) Senior C# Developer
5 31 (36.47%) C# .NET Developer
6 24 (28.24%) Senior .NET Developer
6 24 (28.24%) Senior C# .NET Developer
7 17 (20.00%) ASP.NET Developer
7 17 (20.00%) C# ASP.NET Developer
8 14 (16.47%) Software Developer
9 13 (15.29%) Senior ASP.NET Developer
9 13 (15.29%) Senior C# ASP.NET Developer
10 11 (12.94%) ASP.NET MVC Developer
10 11 (12.94%) Senior ASP.NET MVC Developer
10 11 (12.94%) Software Engineer
11 9 (10.59%) Full Stack Developer
11 9 (10.59%) HTML Developer
11 9 (10.59%) Web Developer
12 8 (9.41%) HTML CSS Developer
Libraries, Frameworks & Software Standards
1 65 (76.47%) .NET
2 40 (47.06%) HTML
2 40 (47.06%) WPF
3 33 (38.82%) AngularJS
4 31 (36.47%) CSS
5 29 (34.12%) ASP.NET
6 23 (27.06%) HTML5
7 22 (25.88%) ASP.NET MVC
8 14 (16.47%) ASP.NET Web API
9 13 (15.29%) CSS3
10 9 (10.59%) .NET Framework
11 8 (9.41%) Entity Framework
11 8 (9.41%) Middleware
12 7 (8.24%) Angular 2
12 7 (8.24%) Sass
12 7 (8.24%) WCF
13 6 (7.06%) LESS
13 6 (7.06%) REST
13 6 (7.06%) SOAP
14 5 (5.88%) DOM
Miscellaneous
1 8 (9.41%) Algorithms
1 8 (9.41%) Analytical Skills
2 4 (4.71%) Enterprise Software
3 1 (1.18%) EPoS
3 1 (1.18%) Marketing Technology
3 1 (1.18%) Mobile App
Operating Systems
1 4 (4.71%) Windows
Processes & Methodologies
1 61 (71.76%) Agile Software Development
2 42 (49.41%) SOLID
3 30 (35.29%) Microservices
4 28 (32.94%) MVC
5 21 (24.71%) Mentoring
6 19 (22.35%) Continuous Integration
6 19 (22.35%) Software Engineering
6 19 (22.35%) Unit Testing
7 18 (21.18%) E-Commerce
7 18 (21.18%) Line Management
8 17 (20.00%) SDLC
9 14 (16.47%) Test Automation
10 10 (11.76%) Regression Testing
11 9 (10.59%) Scrum
12 8 (9.41%) SOA
12 8 (9.41%) Software Architecture
12 8 (9.41%) SysML
12 8 (9.41%) UML
13 7 (8.24%) OO
14 6 (7.06%) Web Development
Programming Languages
1 65 (76.47%) C#
2 32 (37.65%) JavaScript
3 13 (15.29%) SQL
4 8 (9.41%) MATLAB
5 4 (4.71%) VB.NET
6 2 (2.35%) Java
6 2 (2.35%) T-SQL
7 1 (1.18%) TypeScript
Qualifications
1 9 (10.59%) Degree
2 2 (2.35%) ISEB
2 2 (2.35%) ISTQB
2 2 (2.35%) ISTQB Foundation Certification
2 2 (2.35%) Microsoft Certification
2 2 (2.35%) SC Cleared
2 2 (2.35%) Security Cleared
3 1 (1.18%) Computer Science Degree
Quality Assurance & Compliance
1 12 (14.12%) QA
2 8 (9.41%) IEC 61508
2 8 (9.41%) IEC 62304
System Software
1 8 (9.41%) Firmware
Vendors
1 21 (24.71%) Microsoft
2 2 (2.35%) Oracle
3 1 (1.18%) Google