Period
to 19 November 2017

The following table provides summary statistics for permanent job vacancies advertised in Lichfield 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 19 November 2017 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Staffordshire > Lichfield
6 months to
19 Nov 2017
Same period 2016 Same period 2015
Rank 33 19 21
Rank change year-on-year -14 +2 -
Permanent jobs citing TDD 8 21 11
As % of all permanent IT jobs advertised in Lichfield 5.48% 15.56% 7.53%
As % of the Processes & Methodologies category 6.30% 17.50% 8.09%
Number of salaries quoted 4 21 11
Lichfield median annual salary £42,500 £48,500 £45,000
Median salary % change year-on-year -12.37% +7.78% -
10th Percentile £31,250 £46,750 £40,000
90th Percentile £51,875 £50,250 £50,000
Staffordshire median annual salary £40,000 £43,750 £40,000
% change year-on-year -8.57% +9.38% +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 Lichfield with a requirement for process or methodology skills.

All Process and Methodology Skills
Lichfield
Permanent vacancies with a requirement for process or methodology skills 127 120 136
As % of all permanent IT jobs advertised in Lichfield 86.99% 88.89% 93.15%
Number of salaries quoted 114 112 115
Lichfield median annual salary £40,000 £38,500 £37,500
Median salary % change year-on-year +3.90% +2.67% -
10th Percentile £26,075 £29,000 £21,250
90th Percentile £52,500 £50,250 £58,750
Staffordshire median annual salary £37,500 £37,500 £36,875
% change year-on-year - +1.69% +2.43%

TDD
Job Vacancy Trend in Lichfield

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

Job vacancy trend for TDD in Lichfield

TDD
Salary Trend in Lichfield

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

Salary trend for TDD in Lichfield

TDD
Salary Histogram in Lichfield

The salary distribution of IT jobs citing TDD in Lichfield over the 6 months to 19 November 2017.

Salary histogram for TDD in Lichfield

For the 6 months to 19 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 Lichfield region with a requirement for TDD.

1 8 (100.00%) Agile Software Development
2 5 (62.50%) WCF
2 5 (62.50%) Continuous Integration
2 5 (62.50%) MVC
2 5 (62.50%) C#
2 5 (62.50%) .NET
2 5 (62.50%) SQL Server
2 5 (62.50%) ASP.NET
2 5 (62.50%) AngularJS
2 5 (62.50%) ASP.NET Web API
2 5 (62.50%) SDLC
2 5 (62.50%) SOLID
3 3 (37.50%) Octopus Deploy
3 3 (37.50%) TeamCity
3 3 (37.50%) Team Foundation Server
3 3 (37.50%) ASP.NET MVC
3 3 (37.50%) JavaScript
3 3 (37.50%) Web Services
3 3 (37.50%) Microsoft
4 2 (25.00%) Manual Testing
4 2 (25.00%) SC Cleared
4 2 (25.00%) Security Cleared
4 2 (25.00%) Finance
4 2 (25.00%) SOA
4 2 (25.00%) OO
4 2 (25.00%) Dependency Injection
4 2 (25.00%) MSTest
4 2 (25.00%) BDD
4 2 (25.00%) Test Automation
4 2 (25.00%) SpecFlow

TDD
Co-occurring IT Skills in Lichfield 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 (12.50%) JBoss
1 1 (12.50%) Oracle SOA Suite
Database & Business Intelligence
1 5 (62.50%) SQL Server
Development Applications
1 3 (37.50%) Octopus Deploy
1 3 (37.50%) Team Foundation Server
1 3 (37.50%) TeamCity
2 2 (25.00%) MSTest
2 2 (25.00%) SpecFlow
3 1 (12.50%) Eclipse
3 1 (12.50%) Subversion
General
1 2 (25.00%) Finance
2 1 (12.50%) Pharmaceutical
Job Titles
1 3 (37.50%) .NET Development Team Leader
1 3 (37.50%) .NET Team Leader
1 3 (37.50%) Development Team Leader
1 3 (37.50%) Team Leader
2 2 (25.00%) Analyst
2 2 (25.00%) Developer
2 2 (25.00%) Test Analyst
3 1 (12.50%) J2EE Developer
3 1 (12.50%) Java Developer
3 1 (12.50%) Java Software Developer
3 1 (12.50%) Java/J2EE Developer
3 1 (12.50%) Lead Developer
3 1 (12.50%) Oracle Developer
3 1 (12.50%) Software Developer
Libraries, Frameworks & Software Standards
1 5 (62.50%) .NET
1 5 (62.50%) AngularJS
1 5 (62.50%) ASP.NET
1 5 (62.50%) ASP.NET Web API
1 5 (62.50%) WCF
2 3 (37.50%) ASP.NET MVC
2 3 (37.50%) Web Services
3 2 (25.00%) ASP.NET MVC 5
3 2 (25.00%) SignalR
4 1 (12.50%) CSS
4 1 (12.50%) Hibernate
4 1 (12.50%) HTML
4 1 (12.50%) J2EE
4 1 (12.50%) JSF
4 1 (12.50%) RichFaces
4 1 (12.50%) XHTML
4 1 (12.50%) XML
Miscellaneous
1 2 (25.00%) Enterprise Software
Processes & Methodologies
1 8 (100.00%) Agile Software Development
2 5 (62.50%) Continuous Integration
2 5 (62.50%) MVC
2 5 (62.50%) SDLC
2 5 (62.50%) SOLID
3 2 (25.00%) BDD
3 2 (25.00%) Defect Management
3 2 (25.00%) Dependency Injection
3 2 (25.00%) Functional Testing
3 2 (25.00%) Manual Testing
3 2 (25.00%) OO
3 2 (25.00%) SOA
3 2 (25.00%) Software Delivery
3 2 (25.00%) Test Automation
Programming Languages
1 5 (62.50%) C#
2 3 (37.50%) JavaScript
3 1 (12.50%) Java
3 1 (12.50%) SQL
Qualifications
1 2 (25.00%) SC Cleared
1 2 (25.00%) Security Cleared
Vendors
1 3 (37.50%) Microsoft
2 2 (25.00%) Oracle