Period
to 18 January 2018

The following table provides summary statistics for permanent job vacancies advertised in Brentford 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 18 January 2018 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Hounslow > Brentford
6 months to
18 Jan 2018
Same period 2017 Same period 2016
Rank 15 16 26
Rank change year-on-year +1 +10 -
Permanent jobs citing TDD 7 11 3
As % of all permanent IT jobs advertised in Brentford 9.59% 12.64% 2.52%
As % of the Processes & Methodologies category 10.61% 16.18% 3.66%
Number of salaries quoted 7 10 3
Brentford median annual salary £45,000 £67,500 £72,500
Median salary % change year-on-year -33.33% -6.90% -
10th Percentile £42,000 £55,250 £63,750
90th Percentile £54,000 £96,250 £83,250
Hounslow median annual salary £50,000 £67,500 £50,750
% change year-on-year -25.93% +33.00% -7.73%

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 Brentford with a requirement for process or methodology skills.

All Process and Methodology Skills
Brentford
Permanent vacancies with a requirement for process or methodology skills 66 68 82
As % of all permanent IT jobs advertised in Brentford 90.41% 78.16% 68.91%
Number of salaries quoted 50 61 79
Brentford median annual salary £45,000 £47,500 £42,500
Median salary % change year-on-year -5.26% +11.76% -22.73%
10th Percentile £29,000 £30,000 £29,750
90th Percentile £67,625 £71,250 £68,000
Hounslow median annual salary £50,000 £52,500 £45,000
% change year-on-year -4.76% +16.67% -14.29%

TDD
Job Vacancy Trend in Brentford

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

Job vacancy trend for TDD in Brentford

TDD
Salary Trend in Brentford

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

Salary trend for TDD in Brentford

TDD
Salary Histogram in Brentford

The salary distribution of IT jobs citing TDD in Brentford over the 6 months to 18 January 2018.

Salary histogram for TDD in Brentford

For the 6 months to 18 January 2018, 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 Brentford region with a requirement for TDD.

1 7 (100.00%) Agile Software Development
2 6 (85.71%) Scrum
2 6 (85.71%) Java
2 6 (85.71%) BDD
3 5 (71.43%) Low Latency
3 5 (71.43%) REST
3 5 (71.43%) High Availability
3 5 (71.43%) Event-Driven Architecture
3 5 (71.43%) User Experience
3 5 (71.43%) Microservices
3 5 (71.43%) Spring Boot
3 5 (71.43%) Relational Database
3 5 (71.43%) JMS
3 5 (71.43%) J2EE
3 5 (71.43%) Games
3 5 (71.43%) Hibernate
3 5 (71.43%) MVC
3 5 (71.43%) Spring
3 5 (71.43%) Online Games
3 5 (71.43%) Kanban
3 5 (71.43%) JPA
3 5 (71.43%) Java EE
3 5 (71.43%) QA
3 5 (71.43%) Spring MVC
4 2 (28.57%) C#
5 1 (14.29%) Apple Swift
5 1 (14.29%) Greenfield Project
5 1 (14.29%) Xamarin
5 1 (14.29%) Mobile App
5 1 (14.29%) Mobile Application Development

TDD
Co-occurring IT Skills in Brentford 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:

Cloud Services
1 1 (14.29%) SaaS
Database & Business Intelligence
1 5 (71.43%) Relational Database
General
1 5 (71.43%) Games
2 1 (14.29%) Advertising
Job Titles
1 7 (100.00%) Developer
2 5 (71.43%) J2EE Developer
2 5 (71.43%) Java Developer
2 5 (71.43%) Java/J2EE Developer
3 1 (14.29%) .NET Developer
3 1 (14.29%) Applications Developer
3 1 (14.29%) Mobile Applications Developer
3 1 (14.29%) Mobile Developer
3 1 (14.29%) Senior .NET Developer
3 1 (14.29%) Senior Developer
3 1 (14.29%) Xamarin Developer
Libraries, Frameworks & Software Standards
1 5 (71.43%) Hibernate
1 5 (71.43%) J2EE
1 5 (71.43%) Java EE
1 5 (71.43%) JMS
1 5 (71.43%) JPA
1 5 (71.43%) REST
1 5 (71.43%) Spring
1 5 (71.43%) Spring Boot
1 5 (71.43%) Spring MVC
2 1 (14.29%) .NET
2 1 (14.29%) ASP.NET
2 1 (14.29%) WCF
Miscellaneous
1 5 (71.43%) Online Games
1 5 (71.43%) User Experience
2 1 (14.29%) Greenfield Project
2 1 (14.29%) Mobile App
2 1 (14.29%) N-Tier
Operating Systems
1 1 (14.29%) Android
1 1 (14.29%) Apple iOS
1 1 (14.29%) Windows
Processes & Methodologies
1 7 (100.00%) Agile Software Development
2 6 (85.71%) BDD
2 6 (85.71%) Scrum
3 5 (71.43%) Event-Driven Architecture
3 5 (71.43%) High Availability
3 5 (71.43%) Kanban
3 5 (71.43%) Low Latency
3 5 (71.43%) Microservices
3 5 (71.43%) MVC
4 1 (14.29%) Android Development
4 1 (14.29%) iOS Development
4 1 (14.29%) Mobile Application Development
4 1 (14.29%) Multithreading
4 1 (14.29%) Software Engineering
4 1 (14.29%) UML
Programming Languages
1 6 (85.71%) Java
2 2 (28.57%) C#
3 1 (14.29%) Apple Swift
3 1 (14.29%) Objective-C
3 1 (14.29%) SQL
Quality Assurance & Compliance
1 5 (71.43%) QA
Vendors
1 1 (14.29%) Xamarin