The following table provides summary statistics for permanent job vacancies advertised in the City of London with a requirement for Progressive Enhancement skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Progressive Enhancement over the 3 months to 24 June 2017 with a comparison to the same period in the previous 2 years.

Progressive Enhancement
London / City of London
3 months to
24 Jun 2017
Same period 2016 Same period 2015
Rank 222 257 316
Rank change year-on-year +35 +59  
Permanent jobs citing Progressive Enhancement 14 5 2
As % of all permanent IT jobs advertised in the City of London 0.27% 0.079% 0.019%
As % of the Processes & Methodologies category 0.30% 0.087% 0.022%
Number of salaries quoted 11 5 2
Median salary £80,000 £52,500 £40,000
Median salary % change year-on-year +52.38% +31.25%  
UK excluding London median salary £37,500 £39,000 £40,000
% change year-on-year -3.84% -2.50%  

Progressive Enhancement 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 the City of London with a requirement for process and methodology skills.

Process & Methodology Skills
City of London
Permanent job vacancies with a requirement for process and methodology skills 4596 5757 9274
As % of all permanent IT job vacancies advertised in the City of London 89.29% 90.68% 89.28%
Number of salaries quoted 4057 5256 7948
Median salary £62,500 £60,000 £57,500
Median salary % change year-on-year +4.16% +4.34%  
90% offered a salary of more than £40,000 £40,000 £39,000
10% offered a salary of more than £85,000 £80,750 £85,000
UK excluding London median salary £45,000 £45,000 £44,000
% change year-on-year - +2.27%  

Progressive Enhancement
Job Vacancy Trend in the City of London

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

Job vacancy trend for Progressive Enhancement in the City of London

Progressive Enhancement
Salary Trend in the City of London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Progressive Enhancement in the City of London.

Salary trend for Progressive Enhancement in the City of London

Progressive Enhancement
Salary Histogram in the City of London

The salary distribution of IT jobs citing Progressive Enhancement in the City of London over the 3 months to 24 June 2017.

Salary histogram for Progressive Enhancement in the City of London

For the 6 months to 24 June 2017, IT jobs citing Progressive Enhancement 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 City of London region with a requirement for Progressive Enhancement.

1 17 (100.00%) Git (software)
1 17 (100.00%) Adaptive Web Design
2 16 (94.12%) iOS Development
2 16 (94.12%) TestFlight
2 16 (94.12%) Cocoa Touch
2 16 (94.12%) Mobile App
2 16 (94.12%) Apple Swift
2 16 (94.12%) Test Automation
2 16 (94.12%) CouchDB
2 16 (94.12%) Microsoft Azure
2 16 (94.12%) SOAP
2 16 (94.12%) Web Services
2 16 (94.12%) Unit Testing
2 16 (94.12%) Continuous Integration
2 16 (94.12%) MongoDB
2 16 (94.12%) Azure SQL Database
2 16 (94.12%) Apple iOS
2 16 (94.12%) REST
2 16 (94.12%) SQL
2 16 (94.12%) MySQL
2 16 (94.12%) Scrum
2 16 (94.12%) Cocoa
2 16 (94.12%) Objective-C
2 16 (94.12%) Agile Software Development
2 16 (94.12%) TDD
2 16 (94.12%) Software Engineering
2 16 (94.12%) SQLite
3 3 (17.65%) E-Commerce
4 1 (5.88%) HTML5
4 1 (5.88%) Clojure

Progressive Enhancement
Co-occurring IT Skills in the City of London 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 16 (94.12%) Microsoft Azure
1 16 (94.12%) TestFlight
2 1 (5.88%) GitHub
Database & Business Intelligence
1 16 (94.12%) Azure SQL Database
1 16 (94.12%) CouchDB
1 16 (94.12%) MongoDB
1 16 (94.12%) MySQL
1 16 (94.12%) SQLite
Development Applications
1 17 (100.00%) Git (software)
2 1 (5.88%) Bower
2 1 (5.88%) Grunt
2 1 (5.88%) gulp
Job Titles
1 17 (100.00%) Developer
2 16 (94.12%) iOS Developer
3 10 (58.82%) Senior Developer
4 9 (52.94%) Senior iOS Developer
5 7 (41.18%) Lead Developer
5 7 (41.18%) Lead iOS Developer
Libraries, Frameworks & Software Standards
1 16 (94.12%) Cocoa
1 16 (94.12%) Cocoa Touch
1 16 (94.12%) REST
1 16 (94.12%) SOAP
1 16 (94.12%) Web Services
2 1 (5.88%) CSS
2 1 (5.88%) CSS3
2 1 (5.88%) Handlebars
2 1 (5.88%) HTML
2 1 (5.88%) HTML5
2 1 (5.88%) jQuery
2 1 (5.88%) LESS
2 1 (5.88%) Mustache
2 1 (5.88%) OOCSS
2 1 (5.88%) Pug
2 1 (5.88%) Sass
Miscellaneous
1 16 (94.12%) Mobile App
2 1 (5.88%) e-Learning
Operating Systems
1 16 (94.12%) Apple iOS
Processes & Methodologies
1 17 (100.00%) Adaptive Web Design
2 16 (94.12%) Agile Software Development
2 16 (94.12%) Continuous Integration
2 16 (94.12%) iOS Development
2 16 (94.12%) Scrum
2 16 (94.12%) Software Engineering
2 16 (94.12%) TDD
2 16 (94.12%) Test Automation
2 16 (94.12%) Unit Testing
3 3 (17.65%) E-Commerce
4 1 (5.88%) Responsive Web Design
4 1 (5.88%) SEO
4 1 (5.88%) SMACSS
Programming Languages
1 16 (94.12%) Apple Swift
1 16 (94.12%) Objective-C
1 16 (94.12%) SQL
2 1 (5.88%) Clojure
2 1 (5.88%) Java
2 1 (5.88%) JavaScript