Period
to 22 November 2017

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

Test-Driven Development (TDD)
Merton > Wimbledon
6 months to
22 Nov 2017
Same period 2016 Same period 2015
Rank 17 43 9
Rank change year-on-year +26 -34 +20
Permanent jobs citing TDD 27 7 37
As % of all permanent IT jobs advertised in Wimbledon 14.14% 2.52% 20.00%
As % of the Processes & Methodologies category 15.61% 2.85% 21.89%
Number of salaries quoted 22 7 52
Wimbledon median annual salary £57,500 £70,000 £52,500
Median salary % change year-on-year -17.86% +33.33% +5.00%
10th Percentile £37,500 £42,750 £43,750
90th Percentile £80,000 £74,000 £85,000
Merton median annual salary £55,000 £62,500 £52,500
% change year-on-year -12.00% +19.05% +5.00%

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 Wimbledon with a requirement for process or methodology skills.

All Process and Methodology Skills
Wimbledon
Permanent vacancies with a requirement for process or methodology skills 173 246 169
As % of all permanent IT jobs advertised in Wimbledon 90.58% 88.49% 91.35%
Number of salaries quoted 141 122 131
Wimbledon median annual salary £50,000 £47,500 £47,500
Median salary % change year-on-year +5.26% - -
10th Percentile £31,250 £31,375 £24,000
90th Percentile £75,000 £72,500 £84,500
Merton median annual salary £46,500 £47,500 £47,500
% change year-on-year -2.11% - +3.26%

TDD
Job Vacancy Trend in Wimbledon

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

Job vacancy trend for TDD in Wimbledon

TDD
Salary Trend in Wimbledon

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

Salary trend for TDD in Wimbledon

TDD
Salary Histogram in Wimbledon

The salary distribution of IT jobs citing TDD in Wimbledon over the 6 months to 22 November 2017.

Salary histogram for TDD in Wimbledon

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

1 26 (96.30%) Agile Software Development
2 15 (55.56%) BDD
3 12 (44.44%) PHPUnit
3 12 (44.44%) REST
3 12 (44.44%) Code Optimisation
3 12 (44.44%) Symfony
3 12 (44.44%) Drupal
3 12 (44.44%) PHP
3 12 (44.44%) MySQL
3 12 (44.44%) SOAP
4 11 (40.74%) Git (software)
5 9 (33.33%) Finance
5 9 (33.33%) MongoDB
6 8 (29.63%) NoSQL
6 8 (29.63%) HTML5
6 8 (29.63%) Entity Framework
6 8 (29.63%) CSS3
6 8 (29.63%) AngularJS
6 8 (29.63%) ASP.NET Web API
6 8 (29.63%) React
6 8 (29.63%) SDLC
6 8 (29.63%) MVC
6 8 (29.63%) ASP.NET
6 8 (29.63%) CSS
6 8 (29.63%) JavaScript
6 8 (29.63%) .NET
6 8 (29.63%) C#
6 8 (29.63%) HTML
6 8 (29.63%) .NET Framework
6 8 (29.63%) RESTful

TDD
Co-occurring IT Skills in Wimbledon 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 12 (44.44%) Drupal
2 2 (7.41%) WordPress
3 1 (3.70%) CMS
Cloud Services
1 6 (22.22%) Microsoft Azure
2 3 (11.11%) Amazon AWS
Database & Business Intelligence
1 12 (44.44%) MySQL
2 9 (33.33%) MongoDB
3 8 (29.63%) NoSQL
4 6 (22.22%) DocumentDB
5 2 (7.41%) SQL Server
5 2 (7.41%) SQL Server 2016
Development Applications
1 12 (44.44%) PHPUnit
2 11 (40.74%) Git (software)
3 6 (22.22%) Firebug
3 6 (22.22%) git-flow
3 6 (22.22%) Team Foundation Server
4 4 (14.81%) Jenkins
5 3 (11.11%) Cucumber
5 3 (11.11%) Maven
5 3 (11.11%) SoapUI
General
1 9 (33.33%) Finance
2 5 (18.52%) Banking
3 2 (7.41%) Advertising
3 2 (7.41%) Back Office
Job Titles
1 11 (40.74%) Technical Leader
2 9 (33.33%) Developer
3 6 (22.22%) Digital Transformation
4 4 (14.81%) .NET Developer
5 3 (11.11%) Senior Developer
6 2 (7.41%) Java Developer
6 2 (7.41%) JavaScript Developer
6 2 (7.41%) Senior .NET Developer
7 1 (3.70%) Front End Developer (Client-Side Developer)
7 1 (3.70%) Front End Web Developer (Client-Side Developer)
7 1 (3.70%) Java Engineer
7 1 (3.70%) Java Software Engineer
7 1 (3.70%) Lead Developer
7 1 (3.70%) Lead Java Developer
7 1 (3.70%) Senior Java Developer
7 1 (3.70%) Senior Java Engineer
7 1 (3.70%) Senior Java Software Engineer
7 1 (3.70%) Senior Software Engineer
7 1 (3.70%) Software Engineer
7 1 (3.70%) Web Developer
Libraries, Frameworks & Software Standards
1 12 (44.44%) REST
1 12 (44.44%) SOAP
1 12 (44.44%) Symfony
2 8 (29.63%) .NET
2 8 (29.63%) .NET Framework
2 8 (29.63%) AngularJS
2 8 (29.63%) ASP.NET
2 8 (29.63%) ASP.NET Web API
2 8 (29.63%) CSS
2 8 (29.63%) CSS3
2 8 (29.63%) Entity Framework
2 8 (29.63%) HTML
2 8 (29.63%) HTML5
2 8 (29.63%) React
2 8 (29.63%) RESTful
3 7 (25.93%) jQuery
4 6 (22.22%) Express
4 6 (22.22%) Web Services
5 5 (18.52%) Akka
5 5 (18.52%) XML
Miscellaneous
1 6 (22.22%) Analytical Skills
1 6 (22.22%) Digital Media
1 6 (22.22%) Over-the-Top Content
1 6 (22.22%) Video\Live Streaming
2 5 (18.52%) Fintech
3 3 (11.11%) Mobile Payment
3 3 (11.11%) SWIFT
4 2 (7.41%) Enterprise Software
4 2 (7.41%) Greenfield Project
4 2 (7.41%) User Experience
Operating Systems
1 7 (25.93%) Linux
2 1 (3.70%) Unix
Processes & Methodologies
1 26 (96.30%) Agile Software Development
2 15 (55.56%) BDD
3 12 (44.44%) Code Optimisation
4 8 (29.63%) MVC
4 8 (29.63%) SDLC
5 7 (25.93%) Web Development
6 6 (22.22%) Coaching
6 6 (22.22%) Performance Tuning
6 6 (22.22%) SOLID
7 5 (18.52%) B2C
7 5 (18.52%) Mentoring
7 5 (18.52%) Open Source
8 4 (14.81%) Continuous Integration
8 4 (14.81%) DevOps
8 4 (14.81%) Software Engineering
9 2 (7.41%) Customer-Centricity
9 2 (7.41%) Front End Development
9 2 (7.41%) Mobile First
9 2 (7.41%) Scrum
9 2 (7.41%) Technical Architecture
Programming Languages
1 12 (44.44%) PHP
2 8 (29.63%) C#
2 8 (29.63%) JavaScript
3 7 (25.93%) Java
4 6 (22.22%) Bash Shell
4 6 (22.22%) SQL
4 6 (22.22%) T-SQL
5 2 (7.41%) Ruby
Quality Assurance & Compliance
1 3 (11.11%) SEPA
2 2 (7.41%) PSD2
System Software
1 5 (18.52%) Docker
Systems Management
1 4 (14.81%) Kubernetes
2 2 (7.41%) Ansible
Vendors
1 6 (22.22%) Microsoft
2 3 (11.11%) VMware
3 2 (7.41%) Facebook