The following table provides summary statistics for permanent job vacancies advertised in Croydon with a requirement for TDD skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited TDD over the 3 months to 25 June 2017 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
London / Croydon
3 months to
25 Jun 2017
Same period 2016 Same period 2015
Rank 9 35 39
Rank change year-on-year +26 +4  
Permanent jobs citing TDD 32 10 3
As % of all permanent IT jobs advertised in Croydon 17.02% 4.07% 1.54%
As % of the Processes & Methodologies category 19.88% 4.52% 2.00%
Number of salaries quoted 8 7 3
Median salary £50,000 £47,500 £46,000
Median salary % change year-on-year +5.26% +3.26%  
90% offered a salary of more than £40,000 £38,600 £37,200
10% offered a salary of more than £63,250 £57,000 £53,200
UK excluding London median salary £45,000 £45,000 £42,500
% change year-on-year - +5.88%  

TDD is in the process and methodology skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in Croydon with a requirement for process and methodology skills.

Process & Methodology Skills
Croydon
Permanent job vacancies with a requirement for process and methodology skills 161 221 150
As % of all permanent IT job vacancies advertised in Croydon 85.64% 89.84% 76.92%
Number of salaries quoted 118 205 135
Median salary £55,000 £50,000 £45,000
Median salary % change year-on-year +10.00% +11.11%  
90% offered a salary of more than £37,500 £34,000 £29,500
10% offered a salary of more than £67,500 £65,000 £62,500
UK excluding London median salary £45,000 £45,000 £44,000
% change year-on-year - +2.27%  

TDD
Job Vacancy Trend in Croydon

The job posting trend of jobs advertised in Croydon citing TDD as a proportion of all permanent or contract IT jobs with a match in the Processes & Methodologies category.

Job vacancy trend for TDD in Croydon

TDD
Salary Trend in Croydon

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

Salary trend for TDD in Croydon

TDD
Salary Histogram in Croydon

The salary distribution of IT jobs citing TDD in Croydon over the 3 months to 25 June 2017.

Salary histogram for TDD in Croydon

For the 6 months to 25 June 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 Croydon region with a requirement for TDD.

1 50 (78.13%) JavaScript
2 47 (73.44%) Agile Software Development
3 38 (59.38%) Continuous Integration
4 35 (54.69%) Java
5 34 (53.13%) MVC
6 33 (51.56%) Node.js
7 32 (50.00%) C#
7 32 (50.00%) .NET
7 32 (50.00%) SQL Server
7 32 (50.00%) ASP.NET
8 28 (43.75%) BDD
9 25 (39.06%) ASP.NET MVC
10 24 (37.50%) Git (software)
10 24 (37.50%) RESTful
11 23 (35.94%) .NET Framework
11 23 (35.94%) WCF
12 21 (32.81%) Security Cleared
13 19 (29.69%) SC Cleared
13 19 (29.69%) Open Source
14 18 (28.13%) Scala
14 18 (28.13%) Go
15 17 (26.56%) AngularJS
15 17 (26.56%) ASP.NET Web API
15 17 (26.56%) Entity Framework
15 17 (26.56%) CSS
15 17 (26.56%) Ruby
16 16 (25.00%) GIS
16 16 (25.00%) NoSQL
16 16 (25.00%) High Availability
16 16 (25.00%) KnockoutJS

TDD
Co-occurring IT Skills in Croydon 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 7 (10.94%) Tomcat
2 1 (1.56%) Apache
Cloud Services
1 8 (12.50%) Amazon AWS
2 6 (9.38%) Microsoft Azure
3 2 (3.13%) Amazon EC2
3 2 (3.13%) GitHub
4 1 (1.56%) SaaS
Database & Business Intelligence
1 32 (50.00%) SQL Server
2 16 (25.00%) GIS
2 16 (25.00%) NoSQL
2 16 (25.00%) SQL Server 2014
3 7 (10.94%) PostgreSQL
4 2 (3.13%) Big Data
5 1 (1.56%) SQL Server 2012
5 1 (1.56%) SQL Server Analysis Services
5 1 (1.56%) SQL Server Integration Services
5 1 (1.56%) SQL Server Reporting Services
Development Applications
1 24 (37.50%) Git (software)
2 10 (15.63%) Jenkins
2 10 (15.63%) JUnit
3 8 (12.50%) DbUnit
3 8 (12.50%) jMock
3 8 (12.50%) Maven
3 8 (12.50%) Mockito
3 8 (12.50%) SonarQube
4 3 (4.69%) Cucumber
4 3 (4.69%) FitNesse
4 3 (4.69%) Selenium
5 2 (3.13%) Hudson
5 2 (3.13%) NUnit
6 1 (1.56%) Jasmine
6 1 (1.56%) Karma Test Runner
6 1 (1.56%) Protractor
6 1 (1.56%) WebDriver
General
1 16 (25.00%) Music Industry
2 15 (23.44%) Finance
3 6 (9.38%) Banking
3 6 (9.38%) Investment Banking
4 3 (4.69%) Games
Job Titles
1 58 (90.63%) Developer
2 31 (48.44%) .NET Developer
3 24 (37.50%) Senior Developer
4 17 (26.56%) Software Developer
5 12 (18.75%) Java Developer
5 12 (18.75%) Senior .NET Developer
6 10 (15.63%) Senior Software Developer
7 8 (12.50%) ASP.NET Developer
7 8 (12.50%) ASP.NET MVC Developer
8 6 (9.38%) JavaScript Developer
8 6 (9.38%) Junior
8 6 (9.38%) Junior Developer
8 6 (9.38%) Junior Software Developer
8 6 (9.38%) Senior ASP.NET Developer
8 6 (9.38%) Senior ASP.NET MVC Developer
9 5 (7.81%) Scala Developer
9 5 (7.81%) Senior Java Developer
10 3 (4.69%) Java Software Developer
10 3 (4.69%) Senior Java Software Developer
10 3 (4.69%) Senior JavaScript Developer
Libraries, Frameworks & Software Standards
1 33 (51.56%) Node.js
2 32 (50.00%) .NET
2 32 (50.00%) ASP.NET
3 25 (39.06%) ASP.NET MVC
4 24 (37.50%) RESTful
5 23 (35.94%) .NET Framework
5 23 (35.94%) WCF
6 17 (26.56%) AngularJS
6 17 (26.56%) ASP.NET Web API
6 17 (26.56%) CSS
6 17 (26.56%) Entity Framework
7 16 (25.00%) ASP.NET MVC 5
7 16 (25.00%) Code First Entity Framework
7 16 (25.00%) jQuery
7 16 (25.00%) KnockoutJS
7 16 (25.00%) Twitter Bootstrap
8 15 (23.44%) CSS3
9 13 (20.31%) XML
10 11 (17.19%) REST
10 11 (17.19%) Web Services
Miscellaneous
1 7 (10.94%) Fintech
2 6 (9.38%) Hedge funds
3 1 (1.56%) Analytical Skills
3 1 (1.56%) Mobile App
Operating Systems
1 1 (1.56%) Windows
Processes & Methodologies
1 47 (73.44%) Agile Software Development
2 38 (59.38%) Continuous Integration
3 34 (53.13%) MVC
4 28 (43.75%) BDD
5 19 (29.69%) Open Source
6 16 (25.00%) Continuous Delivery
6 16 (25.00%) High Availability
6 16 (25.00%) Web Application Development
7 11 (17.19%) Scrum
7 11 (17.19%) Secure Coding
8 10 (15.63%) Kanban
9 8 (12.50%) DevOps
9 8 (12.50%) E-Commerce
9 8 (12.50%) System Testing
10 6 (9.38%) Analytics
10 6 (9.38%) Multithreading
10 6 (9.38%) OO
10 6 (9.38%) SOLID
10 6 (9.38%) Test Automation
10 6 (9.38%) Workflow
Programming Languages
1 50 (78.13%) JavaScript
2 35 (54.69%) Java
3 32 (50.00%) C#
4 18 (28.13%) Go
4 18 (28.13%) Scala
5 17 (26.56%) Ruby
6 15 (23.44%) SQL
7 8 (12.50%) T-SQL
8 7 (10.94%) Python
9 6 (9.38%) C++
Qualifications
1 21 (32.81%) Security Cleared
2 19 (29.69%) SC Cleared
Quality Assurance & Compliance
1 2 (3.13%) QA
System Software
1 6 (9.38%) Docker
2 2 (3.13%) VMware Infrastructure
2 2 (3.13%) vSphere
Vendors
1 9 (14.06%) Microsoft
2 2 (3.13%) VMware
Croydon, Surrey
People Source Consulting
Salary: £500 - £600 per day
Posted: 4 days ago