Period
to 20 November 2018

The following table provides summary statistics for permanent job vacancies advertised in Marlow 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 20 November 2018 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
6 months to
20 Nov 2018
Same period 2017 Same period 2016
Rank 17 32 16
Rank change year-on-year +15 -16 -4
Permanent jobs citing TDD 3 10 7
As % of all permanent IT jobs advertised in Marlow 4.92% 7.25% 7.37%
As % of the Processes & Methodologies category 5.26% 8.93% 9.59%
Number of salaries quoted 3 10 7
Marlow median annual salary £57,500 £42,500 £55,000
Median salary % change year-on-year +35.29% -22.73% +15.79%
10th Percentile £53,750 £40,750 £47,500
90th Percentile £61,250 £53,000 £62,500
Buckinghamshire median annual salary £45,000 £45,000 £45,000

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 Marlow with a requirement for process or methodology skills.

All Process and Methodology Skills
Marlow
Permanent vacancies with a requirement for process or methodology skills 57 112 73
As % of all permanent IT jobs advertised in Marlow 93.44% 81.16% 76.84%
Number of salaries quoted 32 106 49
Marlow median annual salary £55,000 £37,500 £45,000
Median salary % change year-on-year +46.67% -16.67% +5.88%
10th Percentile £22,825 £21,250 £23,700
90th Percentile £78,375 £50,625 £62,500
Buckinghamshire median annual salary £45,000 £43,500 £42,500
% change year-on-year +3.45% +2.35% -

TDD
Job Vacancy Trend in Marlow

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

Job vacancy trend for TDD in Marlow

TDD
Salary Trend in Marlow

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

Salary trend for TDD in Marlow

For the 6 months to 20 November 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 Marlow region with a requirement for TDD.

1 3 (100.00%) C#
1 3 (100.00%) HTML
1 3 (100.00%) JavaScript
1 3 (100.00%) Visual Studio
1 3 (100.00%) ASP.NET
1 3 (100.00%) CSS
1 3 (100.00%) MVC
1 3 (100.00%) .NET
1 3 (100.00%) SQL Server
1 3 (100.00%) .NET Framework
1 3 (100.00%) Microsoft Azure
1 3 (100.00%) ASP.NET MVC
1 3 (100.00%) AngularJS
2 2 (66.67%) ASP.NET Web Forms
2 2 (66.67%) VMS
2 2 (66.67%) Sass
2 2 (66.67%) NSubstitute
2 2 (66.67%) Swagger
2 2 (66.67%) SOLID
2 2 (66.67%) Windows Server
2 2 (66.67%) .NET Core
2 2 (66.67%) Greenfield Project
2 2 (66.67%) Serilog
2 2 (66.67%) Serverless
2 2 (66.67%) Azure Functions
2 2 (66.67%) Visual Studio Team System
2 2 (66.67%) Hyper-V
2 2 (66.67%) Git (software)
2 2 (66.67%) Autofac
2 2 (66.67%) NServiceBus

TDD
Co-occurring IT Skills in Marlow 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 2 (66.67%) IIS
1 2 (66.67%) NServiceBus
Cloud Services
1 3 (100.00%) Microsoft Azure
2 2 (66.67%) Azure Functions
2 2 (66.67%) Serverless
Database & Business Intelligence
1 3 (100.00%) SQL Server
Development Applications
1 3 (100.00%) Visual Studio
2 2 (66.67%) Git (software)
2 2 (66.67%) NSubstitute
2 2 (66.67%) NUnit
2 2 (66.67%) Serilog
2 2 (66.67%) Visual Studio Team System
Job Titles
1 3 (100.00%) Developer
1 3 (100.00%) Senior Developer
2 2 (66.67%) .NET Developer
2 2 (66.67%) Senior .NET Developer
3 1 (33.33%) Azure Developer
Libraries, Frameworks & Software Standards
1 3 (100.00%) .NET
1 3 (100.00%) .NET Framework
1 3 (100.00%) AngularJS
1 3 (100.00%) ASP.NET
1 3 (100.00%) ASP.NET MVC
1 3 (100.00%) CSS
1 3 (100.00%) HTML
2 2 (66.67%) .NET Core
2 2 (66.67%) ASP.NET Web Forms
2 2 (66.67%) Autofac
2 2 (66.67%) Sass
2 2 (66.67%) Swagger
2 2 (66.67%) WCF
3 1 (33.33%) Entity Framework
3 1 (33.33%) jQuery
3 1 (33.33%) KnockoutJS
3 1 (33.33%) LINQ
3 1 (33.33%) MSMQ
3 1 (33.33%) RabbitMQ
3 1 (33.33%) Web Services
Miscellaneous
1 2 (66.67%) Greenfield Project
Operating Systems
1 2 (66.67%) VMS
1 2 (66.67%) Windows
1 2 (66.67%) Windows Server
Processes & Methodologies
1 3 (100.00%) MVC
2 2 (66.67%) Agile Software Development
2 2 (66.67%) Scrum
2 2 (66.67%) SOLID
Programming Languages
1 3 (100.00%) C#
1 3 (100.00%) JavaScript
2 1 (33.33%) SQL
System Software
1 2 (66.67%) Hyper-V