Period
to 17 January 2019

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 17 January 2019 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Merton > Wimbledon
6 months to
17 Jan 2019
Same period 2018 Same period 2017
Rank 11 10 33
Rank change year-on-year -1 +23 -24
Permanent jobs citing TDD 49 25 9
As % of all permanent IT jobs advertised in Wimbledon 18.56% 15.34% 4.07%
As % of the Processes & Methodologies category 19.14% 16.56% 4.35%
Number of salaries quoted 34 16 7
Wimbledon median annual salary £50,000 £78,750 £70,000
Median salary % change year-on-year -36.51% +12.50% +36.59%
10th Percentile £33,750 £61,250 £52,500
90th Percentile £71,000 £80,625 £74,750
Merton median annual salary £50,000 £58,750 £67,500
% change year-on-year -14.89% -12.96% +42.11%

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 256 151 207
As % of all permanent IT jobs advertised in Wimbledon 96.97% 92.64% 93.67%
Number of salaries quoted 194 125 118
Wimbledon median annual salary £52,500 £50,000 £50,000
Median salary % change year-on-year +5.00% - +5.26%
10th Percentile £32,575 £32,750 £40,125
90th Percentile £76,750 £80,000 £72,875
Merton median annual salary £52,500 £50,000 £50,000
% change year-on-year +5.00% - +5.26%

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 17 January 2019.

Salary histogram for TDD in Wimbledon

For the 6 months to 17 January 2019, 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 43 (87.76%) Agile Software Development
2 27 (55.10%) Scrum
3 26 (53.06%) Kanban
4 21 (42.86%) MySQL
5 18 (36.73%) Degree
6 17 (34.69%) Continuous Integration
6 17 (34.69%) Java
6 17 (34.69%) Linux
6 17 (34.69%) E-Commerce
6 17 (34.69%) Finance
7 16 (32.65%) LAMP
7 16 (32.65%) PHP
7 16 (32.65%) Test Automation
7 16 (32.65%) User Stories
7 16 (32.65%) Mentoring
7 16 (32.65%) React
8 15 (30.61%) Waterfall
8 15 (30.61%) Node.js
8 15 (30.61%) JIRA
8 15 (30.61%) .NET
8 15 (30.61%) JavaScript
8 15 (30.61%) Apache
8 15 (30.61%) MVC
9 14 (28.57%) SQL
10 13 (26.53%) C#
10 13 (26.53%) HTML
10 13 (26.53%) CSS
11 12 (24.49%) ASP.NET
11 12 (24.49%) RESTful
11 12 (24.49%) BDD

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 (30.61%) Apache
2 9 (18.37%) Drupal
3 6 (12.24%) IIS
Business Applications
1 9 (18.37%) Oracle BPM
2 1 (2.04%) Magento
2 1 (2.04%) Payment Gateway
Cloud Services
1 9 (18.37%) IBM Cloud
2 7 (14.29%) Microsoft Azure
3 6 (12.24%) SaaS
4 5 (10.20%) Amazon AWS
Database & Business Intelligence
1 21 (42.86%) MySQL
2 11 (22.45%) SQL Server
3 9 (18.37%) Oracle Database
3 9 (18.37%) Oracle Database 12c
4 6 (12.24%) MongoDB
Development Applications
1 15 (30.61%) JIRA
2 11 (22.45%) Git (software)
2 11 (22.45%) Jenkins
3 5 (10.20%) Octopus Deploy
4 2 (4.08%) Cucumber
4 2 (4.08%) Maven
5 1 (2.04%) QUnit
5 1 (2.04%) Selenium
5 1 (2.04%) WebDriver
General
1 17 (34.69%) Finance
2 8 (16.33%) Retail
3 1 (2.04%) Back Office
3 1 (2.04%) Banking
3 1 (2.04%) Games
3 1 (2.04%) Marketing
Job Titles
1 29 (59.18%) Developer
2 12 (24.49%) .NET Developer
3 9 (18.37%) Development Team Leader
3 9 (18.37%) Drupal Developer
3 9 (18.37%) Senior Developer
3 9 (18.37%) Team Leader
4 7 (14.29%) ASP.NET MVC Developer
4 7 (14.29%) C# .NET Developer
4 7 (14.29%) C# Developer
5 6 (12.24%) Scrum Master
6 5 (10.20%) C# Developer - E-Commerce
6 5 (10.20%) E-Commerce Developer
6 5 (10.20%) JavaScript Developer
6 5 (10.20%) Senior .NET Developer
7 3 (6.12%) PHP Developer
7 3 (6.12%) Senior Software Developer
7 3 (6.12%) Software Developer
8 2 (4.08%) Applications Support
8 2 (4.08%) ASP.NET Developer
8 2 (4.08%) Web Developer
Libraries, Frameworks & Software Standards
1 16 (32.65%) LAMP
1 16 (32.65%) React
2 15 (30.61%) .NET
2 15 (30.61%) Node.js
3 13 (26.53%) CSS
3 13 (26.53%) HTML
4 12 (24.49%) ASP.NET
4 12 (24.49%) ASP.NET MVC
4 12 (24.49%) RESTful
5 11 (22.45%) CSS3
5 11 (22.45%) HTML5
5 11 (22.45%) Twitter Bootstrap
6 10 (20.41%) AngularJS
6 10 (20.41%) jQuery
7 9 (18.37%) Ajax
7 9 (18.37%) JSON
7 9 (18.37%) Redux
7 9 (18.37%) XML
8 7 (14.29%) ASP.NET Web API
8 7 (14.29%) REST
Miscellaneous
1 11 (22.45%) Analytical Skills
2 9 (18.37%) Linux Command Line
2 9 (18.37%) Spread Betting
3 7 (14.29%) Fintech
4 1 (2.04%) Clustering
4 1 (2.04%) Greenfield Project
Operating Systems
1 17 (34.69%) Linux
2 6 (12.24%) Windows
3 1 (2.04%) Unix
Processes & Methodologies
1 43 (87.76%) Agile Software Development
2 27 (55.10%) Scrum
3 26 (53.06%) Kanban
4 17 (34.69%) Continuous Integration
4 17 (34.69%) E-Commerce
5 16 (32.65%) Mentoring
5 16 (32.65%) Test Automation
5 16 (32.65%) User Stories
6 15 (30.61%) MVC
6 15 (30.61%) Waterfall
7 12 (24.49%) BDD
7 12 (24.49%) DevOps
8 11 (22.45%) Continuous Improvement
9 10 (20.41%) SDLC
9 10 (20.41%) Software Delivery
9 10 (20.41%) Stakeholder Management
10 9 (18.37%) Commercial Awareness
10 9 (18.37%) Data Modelling
10 9 (18.37%) Performance Management
10 9 (18.37%) PRINCE2
Programming Languages
1 17 (34.69%) Java
2 16 (32.65%) PHP
3 15 (30.61%) JavaScript
4 14 (28.57%) SQL
5 13 (26.53%) C#
6 12 (24.49%) Java 8
7 9 (18.37%) PHP 5
7 9 (18.37%) Shell Script
8 7 (14.29%) C
9 6 (12.24%) Go
10 5 (10.20%) PowerShell
Qualifications
1 18 (36.73%) Degree
2 9 (18.37%) PRINCE2 Certification
3 6 (12.24%) Computer Science Degree
Quality Assurance & Compliance
1 9 (18.37%) QA
2 1 (2.04%) PSD2
2 1 (2.04%) SLA
System Software
1 4 (8.16%) Docker
Systems Management
1 1 (2.04%) Ansible
1 1 (2.04%) Kubernetes
Vendors
1 10 (20.41%) IBM
2 9 (18.37%) Oracle