Period
to 18 November 2017

The following table provides summary statistics for permanent job vacancies advertised in Hammersmith 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 November 2017 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
West London > Hammersmith
6 months to
18 Nov 2017
Same period 2016 Same period 2015
Rank 14 3 5
Rank change year-on-year -11 +2 +3
Permanent jobs citing TDD 48 34 66
As % of all permanent IT jobs advertised in Hammersmith 14.91% 29.57% 32.84%
As % of the Processes & Methodologies category 16.11% 32.69% 36.46%
Number of salaries quoted 43 34 64
Hammersmith median annual salary £57,500 £55,000 £52,500
Median salary % change year-on-year +4.55% +4.76% -4.55%
10th Percentile £31,250 £43,250 £47,500
90th Percentile £76,000 £66,925 £77,500
West London median annual salary £55,000 £57,500 £52,500
% change year-on-year -4.35% +9.52% -4.55%

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 Hammersmith with a requirement for process or methodology skills.

All Process and Methodology Skills
Hammersmith
Permanent vacancies with a requirement for process or methodology skills 298 104 181
As % of all permanent IT jobs advertised in Hammersmith 92.55% 90.43% 90.05%
Number of salaries quoted 257 102 162
Hammersmith median annual salary £55,000 £55,000 £51,500
Median salary % change year-on-year - +6.80% +14.44%
10th Percentile £38,150 £36,250 £36,250
90th Percentile £76,250 £69,875 £68,625
West London median annual salary £52,500 £52,500 £50,000
% change year-on-year - +5.00% -

TDD
Job Vacancy Trend in Hammersmith

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

Job vacancy trend for TDD in Hammersmith

TDD
Salary Trend in Hammersmith

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

Salary trend for TDD in Hammersmith

TDD
Salary Histogram in Hammersmith

The salary distribution of IT jobs citing TDD in Hammersmith over the 6 months to 18 November 2017.

Salary histogram for TDD in Hammersmith

For the 6 months to 18 November 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 Hammersmith region with a requirement for TDD.

1 39 (81.25%) Agile Software Development
2 30 (62.50%) MVC
3 29 (60.42%) RESTful
4 26 (54.17%) BDD
5 25 (52.08%) SQL
6 24 (50.00%) AngularJS
7 23 (47.92%) Git (software)
8 19 (39.58%) C#
8 19 (39.58%) jQuery
9 18 (37.50%) JavaScript
10 16 (33.33%) MySQL
10 16 (33.33%) Scrum
11 15 (31.25%) HTML
11 15 (31.25%) CSS
11 15 (31.25%) OO
11 15 (31.25%) E-Commerce
11 15 (31.25%) HTML5
11 15 (31.25%) CSS3
11 15 (31.25%) Microservices
11 15 (31.25%) SOLID
12 14 (29.17%) gulp
12 14 (29.17%) Bower
12 14 (29.17%) Vagrant
12 14 (29.17%) Grunt
12 14 (29.17%) Dependency Management
12 14 (29.17%) PHPUnit
12 14 (29.17%) Puppet
12 14 (29.17%) Laravel
12 14 (29.17%) OOP
12 14 (29.17%) PHP

TDD
Co-occurring IT Skills in Hammersmith 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 8 (16.67%) Umbraco
2 4 (8.33%) Apache
2 4 (8.33%) Apache Spark
3 3 (6.25%) IIS
Cloud Services
1 6 (12.50%) Amazon AWS
2 4 (8.33%) Google Cloud Platform
3 2 (4.17%) SaaS
Communications & Networking
1 4 (8.33%) HTTP
2 1 (2.08%) Internet
Database & Business Intelligence
1 16 (33.33%) MySQL
2 8 (16.67%) NoSQL
3 7 (14.58%) SQL Server Integration Services
4 4 (8.33%) Amazon DynamoDB
4 4 (8.33%) Redis
4 4 (8.33%) SQL Server
5 3 (6.25%) SQL Server 2005
6 2 (4.17%) Relational Database
7 1 (2.08%) SQL Server 2016
Development Applications
1 23 (47.92%) Git (software)
2 14 (29.17%) Bower
2 14 (29.17%) Grunt
2 14 (29.17%) gulp
2 14 (29.17%) PHPUnit
2 14 (29.17%) Vagrant
3 3 (6.25%) Visual Studio
4 2 (4.17%) JIRA
5 1 (2.08%) Mercurial
5 1 (2.08%) Team Foundation Server
5 1 (2.08%) TeamCity
General
1 9 (18.75%) Retail
2 6 (12.50%) Advertising
3 1 (2.08%) Law
Job Titles
1 47 (97.92%) Developer
2 15 (31.25%) SQL Developer
3 14 (29.17%) PHP Developer
4 12 (25.00%) Senior Developer
5 11 (22.92%) .NET Developer
6 9 (18.75%) C# Developer
6 9 (18.75%) Lead Developer
7 8 (16.67%) E-Commerce Developer
7 8 (16.67%) JavaScript Developer
7 8 (16.67%) Senior SQL Developer
8 7 (14.58%) Junior
8 7 (14.58%) Junior Developer
8 7 (14.58%) Junior PHP Developer
8 7 (14.58%) Lead .NET Developer
8 7 (14.58%) PHP Laravel Developer
9 6 (12.50%) Agile Developer
9 6 (12.50%) Android Developer
9 6 (12.50%) Scala Developer
10 5 (10.42%) Senior C# Developer
11 4 (8.33%) Senior JavaScript Developer
Libraries, Frameworks & Software Standards
1 29 (60.42%) RESTful
2 24 (50.00%) AngularJS
3 19 (39.58%) jQuery
4 15 (31.25%) CSS
4 15 (31.25%) CSS3
4 15 (31.25%) HTML
4 15 (31.25%) HTML5
5 14 (29.17%) Ajax
5 14 (29.17%) Laravel
6 12 (25.00%) .NET
7 10 (20.83%) LAMP
8 6 (12.50%) Akka
8 6 (12.50%) RxJava
9 5 (10.42%) ASP.NET Web API
9 5 (10.42%) Node.js
9 5 (10.42%) Web Services
10 4 (8.33%) ASP.NET
11 3 (6.25%) ASP.NET Web Forms
11 3 (6.25%) Redux
11 3 (6.25%) SOAP
Miscellaneous
1 7 (14.58%) User Experience
2 1 (2.08%) Blog
2 1 (2.08%) Data Structures
2 1 (2.08%) Digital Media
Operating Systems
1 6 (12.50%) Android
1 6 (12.50%) Apple iOS
2 4 (8.33%) Linux
Processes & Methodologies
1 39 (81.25%) Agile Software Development
2 30 (62.50%) MVC
3 26 (54.17%) BDD
4 16 (33.33%) Scrum
5 15 (31.25%) E-Commerce
5 15 (31.25%) Microservices
5 15 (31.25%) OO
5 15 (31.25%) SOLID
6 14 (29.17%) Dependency Management
6 14 (29.17%) OOP
7 10 (20.83%) Mentoring
8 8 (16.67%) Software Engineering
9 7 (14.58%) Collaborative Working
9 7 (14.58%) DevOps
9 7 (14.58%) Domain-Driven Design
9 7 (14.58%) ITIL
9 7 (14.58%) SOA
9 7 (14.58%) Test Automation
10 6 (12.50%) Android Development
10 6 (12.50%) Functional Programming
Programming Languages
1 25 (52.08%) SQL
2 19 (39.58%) C#
3 18 (37.50%) JavaScript
4 14 (29.17%) PHP
5 7 (14.58%) T-SQL
6 6 (12.50%) Scala
7 2 (4.17%) ES6
7 2 (4.17%) Java
8 1 (2.08%) Ruby
Qualifications
1 2 (4.17%) SC Cleared
1 2 (4.17%) Security Cleared
Quality Assurance & Compliance
1 7 (14.58%) Data Quality
Systems Management
1 14 (29.17%) Puppet
Vendors
1 4 (8.33%) Google
2 3 (6.25%) Microsoft