The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for Progressive Enhancement skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Progressive Enhancement over the 3 months to 27 June 2017 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Progressive Enhancement
London / City of London
3 months to
27 Jun 2017
Same period 2016 Same period 2015
Rank 160 149 197
Rank change year-on-year -11 +48  
Contract jobs citing Progressive Enhancement 4 14 4
As % of all contract IT jobs advertised in the City of London 0.12% 0.41% 0.070%
As % of the Processes & Methodologies category 0.14% 0.48% 0.086%
Number of daily rates quoted 3 14 2
Median daily rate £525 £475 £335
Median daily rate % change year-on-year +10.52% +41.79%  
UK excluding London median daily rate £335 £350 £375
% change year-on-year -4.28% -6.66%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

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 contract job vacancies advertised in the City of London with a requirement for process and methodology skills.

Contract Process & Methodology Skills
City of London
Contract job vacancies with a requirement for process and methodology skills 2912 2905 4654
As % of all contract IT job vacancies advertised in the City of London 88.14% 85.77% 81.11%
Number of daily rates quoted 2231 2377 3660
Median daily rate £500 £475 £465
Median daily rate % change year-on-year +5.26% +2.15%  
90% offered a daily rate of more than £350 £338 £325
10% offered a daily rate of more than £650 £625 £625
UK excluding London median daily rate £415 £400 £385
% change year-on-year +3.75% +3.89%  
Number of hourly rates quoted 24 23 56
Median hourly rate £20.00 £19.00 £24.50
Median hourly rate % change year-on-year +5.26% -22.44%  
90% offered a hourly rate of more than £14.75 £12.50 £15.07
10% offered a hourly rate of more than £41.00 £35.20 £55.50
UK excluding London median hourly rate £34.00 £28.50 £30.00
% change year-on-year +19.29% -5.00%  

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 contract or permanent IT jobs with a match in the Processes & Methodologies category.

Job vacancy trend for Progressive Enhancement in the City of London

Progressive Enhancement
Contractor Daily Rate Trend in the City of London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Progressive Enhancement in the City of London.

Contractor daily rate trend for Progressive Enhancement in the City of London

For the 6 months to 27 June 2017, IT contractor 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 contract ads across the City of London region with a requirement for Progressive Enhancement.

1 11 (100.00%) Agile Software Development
2 7 (63.64%) HTML
2 7 (63.64%) JavaScript
2 7 (63.64%) CSS
3 6 (54.55%) Pair Programming
3 6 (54.55%) Continuous Integration
3 6 (54.55%) HTML5
3 6 (54.55%) CSS3
3 6 (54.55%) Sass
3 6 (54.55%) React
4 5 (45.45%) User Experience
4 5 (45.45%) Twitter Bootstrap
4 5 (45.45%) LESS
4 5 (45.45%) Microsoft Azure
4 5 (45.45%) Git (software)
4 5 (45.45%) Test Automation
4 5 (45.45%) Software Engineering
4 5 (45.45%) Scrum
5 4 (36.36%) Cocoa
5 4 (36.36%) Objective-C
5 4 (36.36%) TDD
5 4 (36.36%) SOAP
5 4 (36.36%) Web Services
5 4 (36.36%) SQL
5 4 (36.36%) MySQL
5 4 (36.36%) Selenium
5 4 (36.36%) SQLite
5 4 (36.36%) Unit Testing
5 4 (36.36%) RESTful
5 4 (36.36%) CouchDB

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 5 (45.45%) Microsoft Azure
2 4 (36.36%) TestFlight
Database & Business Intelligence
1 4 (36.36%) Azure SQL Database
1 4 (36.36%) CouchDB
1 4 (36.36%) MongoDB
1 4 (36.36%) MySQL
1 4 (36.36%) SQLite
2 1 (9.09%) Relational Database
2 1 (9.09%) SQL Server
2 1 (9.09%) SQL Server 2005
Development Applications
1 5 (45.45%) Git (software)
2 4 (36.36%) Cucumber
2 4 (36.36%) gulp
2 4 (36.36%) Selenium
2 4 (36.36%) WebDriver
3 1 (9.09%) Jasmine
3 1 (9.09%) Jenkins
3 1 (9.09%) Karma Test Runner
3 1 (9.09%) Visual Studio
General
1 1 (9.09%) Electronics
1 1 (9.09%) Retail
Job Titles
1 11 (100.00%) Developer
2 9 (81.82%) Senior Developer
3 5 (45.45%) JavaScript Developer
3 5 (45.45%) Senior JavaScript Developer
4 4 (36.36%) iOS Developer
5 3 (27.27%) Senior iOS Developer
6 1 (9.09%) .NET Developer
6 1 (9.09%) Applications Developer
6 1 (9.09%) Front End Developer (Client-Side Developer)
6 1 (9.09%) Front End Web Developer (Client-Side Developer)
6 1 (9.09%) Lead Developer
6 1 (9.09%) Lead iOS Developer
6 1 (9.09%) Senior Applications Developer
6 1 (9.09%) Senior Front-End Developer
6 1 (9.09%) Senior Web Applications Developer
6 1 (9.09%) Senior Web Developer
6 1 (9.09%) Web Applications Developer
6 1 (9.09%) Web Developer
Libraries, Frameworks & Software Standards
1 7 (63.64%) CSS
1 7 (63.64%) HTML
2 6 (54.55%) CSS3
2 6 (54.55%) HTML5
2 6 (54.55%) React
2 6 (54.55%) Sass
3 5 (45.45%) LESS
3 5 (45.45%) Twitter Bootstrap
4 4 (36.36%) Cocoa
4 4 (36.36%) Cocoa Touch
4 4 (36.36%) Node.js
4 4 (36.36%) REST
4 4 (36.36%) RESTful
4 4 (36.36%) SOAP
4 4 (36.36%) Web Services
5 1 (9.09%) .NET
5 1 (9.09%) AngularJS
5 1 (9.09%) Backbone.js
5 1 (9.09%) DOM
5 1 (9.09%) RequireJS
Miscellaneous
1 5 (45.45%) User Experience
2 4 (36.36%) Mobile App
3 1 (9.09%) Blog
3 1 (9.09%) Computer Science
Operating Systems
1 4 (36.36%) Apple iOS
2 1 (9.09%) Linux
2 1 (9.09%) Mac OS X
2 1 (9.09%) Unix
Processes & Methodologies
1 11 (100.00%) Agile Software Development
2 6 (54.55%) Continuous Integration
2 6 (54.55%) Pair Programming
3 5 (45.45%) Scrum
3 5 (45.45%) Software Engineering
3 5 (45.45%) Test Automation
4 4 (36.36%) Adaptive Web Design
4 4 (36.36%) iOS Development
4 4 (36.36%) TDD
4 4 (36.36%) Unit Testing
5 2 (18.18%) E-Commerce
6 1 (9.09%) Configuration Management
6 1 (9.09%) Continuous Deployment
6 1 (9.09%) Data Analysis
6 1 (9.09%) Kanban
6 1 (9.09%) Mathematics
6 1 (9.09%) MVC
6 1 (9.09%) Open Source
6 1 (9.09%) Web Design
6 1 (9.09%) Web Development
Programming Languages
1 7 (63.64%) JavaScript
2 4 (36.36%) Apple Swift
2 4 (36.36%) Objective-C
2 4 (36.36%) SQL
3 1 (9.09%) C#
3 1 (9.09%) VB
Qualifications
1 1 (9.09%) Degree
1 1 (9.09%) Master's Degree
Vendors
1 1 (9.09%) Microsoft
City, London
SanRidge Ltd
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