Period
to 22 January 2018

The following table provides summary statistics for permanent job vacancies advertised in Gerrards Cross 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 22 January 2018 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Buckinghamshire > Gerrards Cross
6 months to
22 Jan 2018
Same period 2017 Same period 2016
Rank 9 3 -
Rank change year-on-year -6 - +8
Permanent jobs citing TDD 12 24 0
As % of all permanent IT jobs advertised in Gerrards Cross 32.43% 82.76% -
As % of the Processes & Methodologies category 36.36% 82.76% -
Number of salaries quoted 10 24 0
Gerrards Cross median annual salary £45,000 £35,000 -
Median salary % change year-on-year +28.57% - -
Buckinghamshire median annual salary £46,500 £45,000 £43,500
% change year-on-year +3.33% +3.45% +1.75%

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 Gerrards Cross with a requirement for process or methodology skills.

All Process and Methodology Skills
Gerrards Cross
Permanent vacancies with a requirement for process or methodology skills 33 29 1
As % of all permanent IT jobs advertised in Gerrards Cross 89.19% 100.00% 12.50%
Number of salaries quoted 31 29 1
Gerrards Cross median annual salary £40,000 £35,000 £50,000
Median salary % change year-on-year +14.29% -30.00% +42.86%
10th Percentile £28,250 £29,600 £47,500
90th Percentile £58,750 £42,750 £52,500
Buckinghamshire median annual salary £45,000 £43,250 £42,500
% change year-on-year +4.05% +1.76% -

TDD
Job Vacancy Trend in Gerrards Cross

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

Job vacancy trend for TDD in Gerrards Cross

TDD
Salary Trend in Gerrards Cross

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

Salary trend for TDD in Gerrards Cross

TDD
Salary Histogram in Gerrards Cross

The salary distribution of IT jobs citing TDD in Gerrards Cross over the 6 months to 22 January 2018.

Salary histogram for TDD in Gerrards Cross

For the 6 months to 22 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 Gerrards Cross region with a requirement for TDD.

1 12 (100.00%) C#
1 12 (100.00%) .NET
1 12 (100.00%) SQL Server
1 12 (100.00%) Agile Software Development
2 10 (83.33%) ASP.NET
3 9 (75.00%) HTML
4 7 (58.33%) Web Development
4 7 (58.33%) jQuery
4 7 (58.33%) HTML5
4 7 (58.33%) JavaScript
4 7 (58.33%) AngularJS
4 7 (58.33%) TypeScript
4 7 (58.33%) Angular 2
5 6 (50.00%) SQL Server 2016
5 6 (50.00%) ASP.NET MVC 5
5 6 (50.00%) Microsoft
5 6 (50.00%) MVC
5 6 (50.00%) ASP.NET MVC
6 5 (41.67%) Apple iOS
6 5 (41.67%) Razor View Engine
6 5 (41.67%) Android
6 5 (41.67%) WCF
6 5 (41.67%) Ajax
6 5 (41.67%) Intranet
6 5 (41.67%) Extranet
6 5 (41.67%) XML
6 5 (41.67%) Windows
6 5 (41.67%) Mobile Development
6 5 (41.67%) SaaS
6 5 (41.67%) Android Development

TDD
Co-occurring IT Skills in Gerrards Cross 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 2 (16.67%) Microsoft Excel
Cloud Services
1 5 (41.67%) SaaS
Communications & Networking
1 5 (41.67%) Extranet
1 5 (41.67%) Intranet
2 2 (16.67%) Internet
Database & Business Intelligence
1 12 (100.00%) SQL Server
2 6 (50.00%) SQL Server 2016
3 5 (41.67%) SQL Server 2012
4 2 (16.67%) Big Data
4 2 (16.67%) PostgreSQL
5 1 (8.33%) NoSQL
Development Applications
1 2 (16.67%) Subversion
1 2 (16.67%) Team Foundation Server
2 1 (8.33%) Git (software)
General
1 1 (8.33%) Advertising
Job Titles
1 12 (100.00%) Developer
2 9 (75.00%) C# Developer
3 8 (66.67%) .NET Developer
4 7 (58.33%) Angular Developer
5 5 (41.67%) ASP.NET Developer
5 5 (41.67%) ASP.NET MVC Developer
5 5 (41.67%) C# .NET Developer
5 5 (41.67%) C# ASP.NET Developer
5 5 (41.67%) JavaScript Developer
6 4 (33.33%) Senior Developer
7 2 (16.67%) C# Software Developer
7 2 (16.67%) C# Web Developer
7 2 (16.67%) C# WPF Developer
7 2 (16.67%) Mid-Level C# Developer
7 2 (16.67%) Senior .NET Developer
7 2 (16.67%) Senior C# Developer
7 2 (16.67%) Senior Web Developer
7 2 (16.67%) Software Developer
7 2 (16.67%) Web Developer
7 2 (16.67%) WPF Developer
Libraries, Frameworks & Software Standards
1 12 (100.00%) .NET
2 10 (83.33%) ASP.NET
3 9 (75.00%) HTML
4 7 (58.33%) Angular 2
4 7 (58.33%) AngularJS
4 7 (58.33%) HTML5
4 7 (58.33%) jQuery
5 6 (50.00%) ASP.NET MVC
5 6 (50.00%) ASP.NET MVC 5
6 5 (41.67%) Ajax
6 5 (41.67%) ASP.NET MVC 4
6 5 (41.67%) Razor View Engine
6 5 (41.67%) WCF
6 5 (41.67%) XML
7 4 (33.33%) CSS
8 3 (25.00%) .NET Framework
8 3 (25.00%) RESTful
9 2 (16.67%) NHibernate
9 2 (16.67%) REST
9 2 (16.67%) WPF
Miscellaneous
1 5 (41.67%) Mobile App
2 2 (16.67%) Algorithms
2 2 (16.67%) Analytical Skills
2 2 (16.67%) Computer Science
2 2 (16.67%) Greenfield Project
2 2 (16.67%) RIA
3 1 (8.33%) Enterprise Software
Operating Systems
1 5 (41.67%) Android
1 5 (41.67%) Apple iOS
1 5 (41.67%) Windows
Processes & Methodologies
1 12 (100.00%) Agile Software Development
2 7 (58.33%) Web Development
3 6 (50.00%) MVC
4 5 (41.67%) Android Development
4 5 (41.67%) iOS Development
4 5 (41.67%) Mobile Application Development
4 5 (41.67%) Mobile Development
5 2 (16.67%) Analytics
5 2 (16.67%) Business Intelligence
5 2 (16.67%) Business Performance Management
5 2 (16.67%) Dependency Injection
5 2 (16.67%) Inversion of Control
5 2 (16.67%) Kanban
5 2 (16.67%) Mathematics
5 2 (16.67%) MVVM
5 2 (16.67%) OO
5 2 (16.67%) Performance Management
5 2 (16.67%) SDLC
5 2 (16.67%) Unit Testing
6 1 (8.33%) BDD
Programming Languages
1 12 (100.00%) C#
2 7 (58.33%) JavaScript
2 7 (58.33%) TypeScript
3 2 (16.67%) R
3 2 (16.67%) SQL
3 2 (16.67%) VB.NET
4 1 (8.33%) Ruby
Qualifications
1 2 (16.67%) Computer Science Degree
1 2 (16.67%) Degree
Vendors
1 6 (50.00%) Microsoft
2 2 (16.67%) Oracle
3 1 (8.33%) Facebook