The following table provides summary statistics for permanent job vacancies advertised in London with a requirement for Leaflet skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Leaflet over the 3 months to 22 June 2017 with a comparison to the same period in the previous 2 years.

Leafletjs
England / London
3 months to
22 Jun 2017
Same period 2016 Same period 2015
Rank 613 646 -
Rank change year-on-year +33 -  
Permanent jobs citing Leaflet 1 2 0
As % of all permanent IT jobs advertised in London 0.003% 0.005% -
As % of the Libraries, Frameworks & Software Standards category 0.007% 0.012% -
Number of salaries quoted 1 2 0
Median salary £65,000 £77,500 -
Median salary % change year-on-year -16.12% -  
UK excluding London median salary £31,500 £37,500 £37,500
% change year-on-year -16.00% -  

Leaflet is in the industry standards, technical specifications and software library and framework skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in London with a requirement for industry standards, technical specifications and software library and framework skills.

Software Library & Framework Skills
London
Permanent job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 14756 16267 17092
As % of all permanent IT job vacancies advertised in London 40.44% 40.47% 38.02%
Number of salaries quoted 12232 14365 14696
Median salary £58,250 £55,000 £54,000
Median salary % change year-on-year +5.90% +1.85%  
90% offered a salary of more than £40,000 £37,975 £35,000
10% offered a salary of more than £80,000 £75,000 £77,500
UK excluding London median salary £42,500 £40,000 £40,000
% change year-on-year +6.25% -  

Leaflet
Job Vacancy Trend in London

The job posting trend of jobs advertised in London citing Leaflet as a proportion of all permanent or contract IT jobs with a match in the Libraries, Frameworks & Software Standards category.

Job vacancy trend for Leaflet in London

Leaflet
Salary Trend in London

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

Salary trend for Leaflet in London

For the 6 months to 22 June 2017, IT jobs citing Leaflet 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 London region with a requirement for Leaflet.

1 6 (85.71%) JavaScript
2 5 (71.43%) Git (software)
3 4 (57.14%) Google
3 4 (57.14%) Google Maps API
3 4 (57.14%) PostgreSQL
3 4 (57.14%) SSH
3 4 (57.14%) Web Development
3 4 (57.14%) PHP
3 4 (57.14%) MySQL
3 4 (57.14%) GIS
4 3 (42.86%) ArcGIS
4 3 (42.86%) Linux
4 3 (42.86%) SQL
4 3 (42.86%) Web Design
4 3 (42.86%) Sass
4 3 (42.86%) Responsive Web Design
4 3 (42.86%) QGIS
4 3 (42.86%) Linux Command Line
5 2 (28.57%) Cloud Computing
5 2 (28.57%) GeoServer
5 2 (28.57%) Play Framework
5 2 (28.57%) Scala
5 2 (28.57%) Amazon AWS
5 2 (28.57%) Advertising
5 2 (28.57%) Java
6 1 (14.29%) HTML
6 1 (14.29%) Perl
6 1 (14.29%) Microsoft Office
6 1 (14.29%) CSS
6 1 (14.29%) Python

Leaflet
Co-occurring IT Skills in 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:

Application Platforms
1 3 (42.86%) ArcGIS
2 2 (28.57%) GeoServer
3 1 (14.29%) Apache Spark
3 1 (14.29%) CMS
3 1 (14.29%) Drupal
3 1 (14.29%) SilverStripe
Applications
1 1 (14.29%) Microsoft Office
Cloud Services
1 2 (28.57%) Amazon AWS
1 2 (28.57%) Cloud Computing
2 1 (14.29%) Amazon EC2
2 1 (14.29%) Amazon S3
Communications & Networking
1 4 (57.14%) SSH
2 1 (14.29%) HTTP
2 1 (14.29%) HTTPS
Database & Business Intelligence
1 4 (57.14%) GIS
1 4 (57.14%) MySQL
1 4 (57.14%) PostgreSQL
2 3 (42.86%) QGIS
3 1 (14.29%) Amazon Redshift
3 1 (14.29%) Apache Hive
3 1 (14.29%) Big Data
3 1 (14.29%) Data Mining
3 1 (14.29%) Hadoop
3 1 (14.29%) Text Mining
Development Applications
1 5 (71.43%) Git (software)
General
1 2 (28.57%) Advertising
Job Titles
1 5 (71.43%) Developer
2 3 (42.86%) JavaScript Developer
2 3 (42.86%) Senior Developer
2 3 (42.86%) Senior JavaScript Developer
2 3 (42.86%) Senior Web Developer
2 3 (42.86%) Web Developer
3 1 (14.29%) AWS Engineer
3 1 (14.29%) AWS Software Engineer
3 1 (14.29%) Data Manager
3 1 (14.29%) Java Developer
3 1 (14.29%) Java Engineer
3 1 (14.29%) Java Scala Developer
3 1 (14.29%) Java Scala Software Engineer
3 1 (14.29%) Java Software Engineer
3 1 (14.29%) Scala Developer
3 1 (14.29%) Scala Software Engineer
3 1 (14.29%) Software Developer
3 1 (14.29%) Software Engineer
Libraries, Frameworks & Software Standards
1 4 (57.14%) Google Maps API
2 3 (42.86%) Sass
3 2 (28.57%) Play Framework
4 1 (14.29%) CSS
4 1 (14.29%) D3.js
4 1 (14.29%) HTML
4 1 (14.29%) jQuery
4 1 (14.29%) Laravel
4 1 (14.29%) OpenLayers
4 1 (14.29%) Symfony
4 1 (14.29%) Twitter Bootstrap
Miscellaneous
1 3 (42.86%) Linux Command Line
2 1 (14.29%) Algorithms
2 1 (14.29%) User Experience
Operating Systems
1 3 (42.86%) Linux
Processes & Methodologies
1 4 (57.14%) Web Development
2 3 (42.86%) Responsive Web Design
2 3 (42.86%) Web Design
3 1 (14.29%) Analytics
3 1 (14.29%) Conjoint Analysis
3 1 (14.29%) Data Protection
3 1 (14.29%) Data Visualisation
3 1 (14.29%) Exploratory Analysis
3 1 (14.29%) Front End Development
3 1 (14.29%) Machine Learning
3 1 (14.29%) MVC
3 1 (14.29%) Open Source
3 1 (14.29%) Propensity Modelling
3 1 (14.29%) Regression Testing
3 1 (14.29%) Software Engineering
3 1 (14.29%) Visualisation
Programming Languages
1 6 (85.71%) JavaScript
2 4 (57.14%) PHP
3 3 (42.86%) SQL
4 2 (28.57%) Java
4 2 (28.57%) Scala
5 1 (14.29%) Perl
5 1 (14.29%) Python
5 1 (14.29%) R
Vendors
1 4 (57.14%) Google
2 1 (14.29%) Tableau
2 1 (14.29%) Zend