Period
to 19 October 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 19 October 2019 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Merton > Wimbledon
6 months to
19 Oct 2019
Same period 2018 Same period 2017
Rank 31 16 16
Rank change year-on-year -15 0 +29
Permanent jobs citing TDD 15 33 22
As % of all permanent IT jobs advertised in Wimbledon 7.04% 14.10% 12.79%
As % of the Processes & Methodologies category 7.08% 14.80% 13.92%
Number of salaries quoted 11 25 19
Wimbledon median annual salary £85,000 £65,000 £55,000
Median salary % change year-on-year +30.77% +18.18% -8.33%
10th Percentile £41,250 £33,750 £36,250
90th Percentile £90,000 £85,500 £78,000
Merton median annual salary £85,000 £65,000 £55,000
% change year-on-year +30.77% +18.18% -

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 212 223 158
As % of all permanent IT jobs advertised in Wimbledon 99.53% 95.30% 91.86%
Number of salaries quoted 198 169 129
Wimbledon median annual salary £51,500 £52,500 £47,500
Median salary % change year-on-year -1.90% +10.53% -
10th Percentile £26,250 £29,000 £31,250
90th Percentile £86,625 £77,500 £76,500
Merton median annual salary £50,500 £52,500 £45,000
% change year-on-year -3.81% +16.67% -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 19 October 2019.

Salary histogram for TDD in Wimbledon

For the 6 months to 19 October 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 13 (86.67%) Agile Software Development
2 11 (73.33%) MVC
3 9 (60.00%) C#
3 9 (60.00%) .NET
3 9 (60.00%) Microsoft
4 8 (53.33%) SQL Server
5 7 (46.67%) SQL
5 7 (46.67%) Azure
5 7 (46.67%) ASP.NET Web API
5 7 (46.67%) DevOps
5 7 (46.67%) .NET Core
6 6 (40.00%) ASP.NET MVC
6 6 (40.00%) Azure SQL Database
6 6 (40.00%) MongoDB
6 6 (40.00%) Entity Framework
6 6 (40.00%) Continuous Improvement
6 6 (40.00%) ADO.NET
6 6 (40.00%) ASP.NET
6 6 (40.00%) Finance
6 6 (40.00%) .NET Framework
7 5 (33.33%) Redis
7 5 (33.33%) NoSQL
7 5 (33.33%) SaaS
7 5 (33.33%) Continuous Integration
7 5 (33.33%) API Development
7 5 (33.33%) API Design
7 5 (33.33%) Docker
7 5 (33.33%) Microservices
7 5 (33.33%) Kubernetes
7 5 (33.33%) Architectural 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:

Applications
1 4 (26.67%) Microsoft Office
Cloud Services
1 7 (46.67%) Azure
2 5 (33.33%) SaaS
Database & Business Intelligence
1 8 (53.33%) SQL Server
2 6 (40.00%) Azure SQL Database
2 6 (40.00%) MongoDB
3 5 (33.33%) NoSQL
3 5 (33.33%) Redis
Development Applications
1 4 (26.67%) JIRA
2 1 (6.67%) Git (software)
2 1 (6.67%) Team Foundation Server
General
1 6 (40.00%) Finance
2 4 (26.67%) Banking
3 1 (6.67%) Retail
Job Titles
1 6 (40.00%) Developer
2 5 (33.33%) Architect
2 5 (33.33%) Solutions Architect
3 4 (26.67%) .NET Architect
3 4 (26.67%) .NET Solutions Architect
3 4 (26.67%) Azure Architect
3 4 (26.67%) C# Architect
3 4 (26.67%) Scrum Master
4 3 (20.00%) .NET Developer
4 3 (20.00%) C# .NET Developer
4 3 (20.00%) C# Developer
5 2 (13.33%) Full Stack Developer
5 2 (13.33%) Java Developer
5 2 (13.33%) Lead Developer
5 2 (13.33%) Lead Java Developer
6 1 (6.67%) Junior
6 1 (6.67%) Junior C# .NET Developer
6 1 (6.67%) Mid-Level .NET Developer
6 1 (6.67%) Mid-Level C# .NET Developer
6 1 (6.67%) Mid-Level C# Developer
Libraries, Frameworks & Software Standards
1 9 (60.00%) .NET
2 7 (46.67%) .NET Core
2 7 (46.67%) ASP.NET Web API
3 6 (40.00%) .NET Framework
3 6 (40.00%) ADO.NET
3 6 (40.00%) ASP.NET
3 6 (40.00%) ASP.NET MVC
3 6 (40.00%) Entity Framework
4 2 (13.33%) REST
4 2 (13.33%) Spring
4 2 (13.33%) Spring Boot
4 2 (13.33%) Spring MVC
4 2 (13.33%) WCF
4 2 (13.33%) Web Services
5 1 (6.67%) AngularJS
5 1 (6.67%) CSS
5 1 (6.67%) CSS3
5 1 (6.67%) JSON
5 1 (6.67%) RESTful
5 1 (6.67%) XML
Miscellaneous
1 4 (26.67%) Mobile App
2 2 (13.33%) Self-Motivation
Processes & Methodologies
1 13 (86.67%) Agile Software Development
2 11 (73.33%) MVC
3 7 (46.67%) DevOps
4 6 (40.00%) Continuous Improvement
5 5 (33.33%) API Design
5 5 (33.33%) API Development
5 5 (33.33%) Architectural Design
5 5 (33.33%) Continuous Integration
5 5 (33.33%) Microservices
6 4 (26.67%) BDD
6 4 (26.67%) Burndown Charts
6 4 (26.67%) Computer Science
6 4 (26.67%) Decision-Making
6 4 (26.67%) Feature Driven Development
6 4 (26.67%) Kanban
6 4 (26.67%) Mentoring
6 4 (26.67%) Scrum
6 4 (26.67%) Test Automation
6 4 (26.67%) User Stories
6 4 (26.67%) Waterfall
Programming Languages
1 9 (60.00%) C#
2 7 (46.67%) SQL
3 2 (13.33%) Java
3 2 (13.33%) Java 8
3 2 (13.33%) JavaScript
Qualifications
1 4 (26.67%) Computer Science Degree
1 4 (26.67%) Degree
System Software
1 5 (33.33%) Docker
Systems Management
1 5 (33.33%) Kubernetes
Vendors
1 9 (60.00%) Microsoft