Period
to 19 November 2018

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 19 November 2018 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Merton > Wimbledon
6 months to
19 Nov 2018
Same period 2017 Same period 2016
Rank 12 18 47
Rank change year-on-year +6 +29 -37
Permanent jobs citing TDD 48 27 7
As % of all permanent IT jobs advertised in Wimbledon 18.60% 14.36% 2.46%
As % of the Processes & Methodologies category 19.12% 15.52% 2.78%
Number of salaries quoted 37 22 7
Wimbledon median annual salary £57,500 £57,500 £70,000
Median salary % change year-on-year - -17.86% +33.33%
10th Percentile £33,750 £37,500 £42,750
90th Percentile £75,000 £80,000 £74,000
Merton median annual salary £55,000 £55,000 £62,500
% change year-on-year - -12.00% +19.05%

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 251 174 252
As % of all permanent IT jobs advertised in Wimbledon 97.29% 92.55% 88.73%
Number of salaries quoted 190 143 122
Wimbledon median annual salary £52,500 £50,000 £47,500
Median salary % change year-on-year +5.00% +5.26% -
10th Percentile £31,250 £31,250 £31,375
90th Percentile £75,250 £76,000 £72,500
Merton median annual salary £52,500 £47,500 £47,500
% change year-on-year +10.53% - -

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 19 November 2018.

Salary histogram for TDD in Wimbledon

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

1 33 (68.75%) Agile Software Development
2 28 (58.33%) MySQL
3 24 (50.00%) Scrum
4 23 (47.92%) Kanban
5 20 (41.67%) MVC
5 20 (41.67%) SQL Server
5 20 (41.67%) .NET
6 19 (39.58%) Finance
7 18 (37.50%) C#
7 18 (37.50%) Continuous Improvement
8 17 (35.42%) RESTful
8 17 (35.42%) ASP.NET MVC
8 17 (35.42%) ASP.NET
9 16 (33.33%) PHP
9 16 (33.33%) LAMP
10 15 (31.25%) Linux
10 15 (31.25%) Apache
10 15 (31.25%) Fintech
11 14 (29.17%) .NET Framework
11 14 (29.17%) Continuous Integration
12 13 (27.08%) SaaS
12 13 (27.08%) Degree
12 13 (27.08%) E-Commerce
12 13 (27.08%) JavaScript
13 12 (25.00%) SOA
13 12 (25.00%) Amazon AWS
13 12 (25.00%) Domain-Driven Design
13 12 (25.00%) PowerShell
13 12 (25.00%) Octopus Deploy
13 12 (25.00%) API Design

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 15 (31.25%) Apache
2 9 (18.75%) Drupal
3 6 (12.50%) IIS
Business Applications
1 4 (8.33%) Oracle BPM
2 1 (2.08%) Magento
2 1 (2.08%) Payment Gateway
Cloud Services
1 13 (27.08%) SaaS
2 12 (25.00%) Amazon AWS
3 4 (8.33%) IBM Cloud
4 3 (6.25%) Microsoft Azure
Database & Business Intelligence
1 28 (58.33%) MySQL
2 20 (41.67%) SQL Server
3 4 (8.33%) MongoDB
3 4 (8.33%) Oracle Database
3 4 (8.33%) Oracle Database 12c
4 2 (4.17%) SQL Server 2016
Development Applications
1 12 (25.00%) Octopus Deploy
2 10 (20.83%) JIRA
3 9 (18.75%) Git (software)
3 9 (18.75%) Jenkins
4 1 (2.08%) QUnit
4 1 (2.08%) Selenium
4 1 (2.08%) WebDriver
General
1 19 (39.58%) Finance
2 4 (8.33%) Retail
3 1 (2.08%) Back Office
3 1 (2.08%) Banking
3 1 (2.08%) Games
3 1 (2.08%) Marketing
Job Titles
1 32 (66.67%) Developer
2 16 (33.33%) Senior Developer
3 13 (27.08%) .NET Developer
4 10 (20.83%) Senior .NET Developer
5 9 (18.75%) Drupal Developer
6 6 (12.50%) Scrum Master
7 4 (8.33%) Development Team Leader
7 4 (8.33%) Team Leader
8 3 (6.25%) ASP.NET MVC Developer
8 3 (6.25%) C# .NET Developer
8 3 (6.25%) C# Developer
8 3 (6.25%) C# Developer - E-Commerce
8 3 (6.25%) E-Commerce Developer
8 3 (6.25%) PHP Developer
8 3 (6.25%) Senior Software Developer
8 3 (6.25%) Software Developer
9 2 (4.17%) .NET Development Manager
9 2 (4.17%) Development Manager
10 1 (2.08%) Architect
10 1 (2.08%) Solutions Architect
Libraries, Frameworks & Software Standards
1 20 (41.67%) .NET
2 17 (35.42%) ASP.NET
2 17 (35.42%) ASP.NET MVC
2 17 (35.42%) RESTful
3 16 (33.33%) LAMP
4 14 (29.17%) .NET Framework
5 11 (22.92%) CSS
5 11 (22.92%) HTML
5 11 (22.92%) Twitter Bootstrap
6 10 (20.83%) jQuery
6 10 (20.83%) Node.js
7 9 (18.75%) Ajax
7 9 (18.75%) CSS3
7 9 (18.75%) HTML5
7 9 (18.75%) JSON
7 9 (18.75%) Redux
7 9 (18.75%) XML
8 8 (16.67%) AngularJS
9 7 (14.58%) React
10 6 (12.50%) Kafka
Miscellaneous
1 15 (31.25%) Fintech
2 9 (18.75%) Linux Command Line
3 6 (12.50%) Computer Science
4 4 (8.33%) Analytical Skills
4 4 (8.33%) Spread Betting
5 1 (2.08%) Greenfield Project
Operating Systems
1 15 (31.25%) Linux
2 6 (12.50%) Windows
3 1 (2.08%) Unix
Processes & Methodologies
1 33 (68.75%) Agile Software Development
2 24 (50.00%) Scrum
3 23 (47.92%) Kanban
4 20 (41.67%) MVC
5 18 (37.50%) Continuous Improvement
6 14 (29.17%) Continuous Integration
7 13 (27.08%) E-Commerce
8 12 (25.00%) API Design
8 12 (25.00%) Domain-Driven Design
8 12 (25.00%) SOA
9 11 (22.92%) Mentoring
9 11 (22.92%) Test Automation
9 11 (22.92%) User Stories
10 10 (20.83%) Waterfall
11 9 (18.75%) Data Modelling
12 8 (16.67%) BDD
13 7 (14.58%) DevOps
14 6 (12.50%) Decision-Making
14 6 (12.50%) Feature Driven Development
14 6 (12.50%) Product Management
Programming Languages
1 18 (37.50%) C#
2 16 (33.33%) PHP
3 13 (27.08%) JavaScript
4 12 (25.00%) PowerShell
5 11 (22.92%) Java
6 10 (20.83%) SQL
7 9 (18.75%) PHP 5
7 9 (18.75%) Shell Script
8 6 (12.50%) Go
9 5 (10.42%) Java 8
10 3 (6.25%) C
Qualifications
1 13 (27.08%) Degree
2 6 (12.50%) Computer Science Degree
3 4 (8.33%) PRINCE2 Certification
Quality Assurance & Compliance
1 4 (8.33%) QA
2 1 (2.08%) PSD2
System Software
1 4 (8.33%) Docker
Systems Management
1 1 (2.08%) Ansible
1 1 (2.08%) Kubernetes
Vendors
1 4 (8.33%) IBM
1 4 (8.33%) Oracle