The following table provides summary statistics for permanent job vacancies advertised in England 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 23 June 2017 with a comparison to the same period in the previous 2 years.

Leafletjs
UK / England
3 months to
23 Jun 2017
Same period 2016 Same period 2015
Rank 853 897 957
Rank change year-on-year +44 +60  
Permanent jobs citing Leaflet 9 17 1
As % of all permanent IT jobs advertised in England 0.011% 0.018% 0.001%
As % of the Libraries, Frameworks & Software Standards category 0.026% 0.047% 0.003%
Number of salaries quoted 8 17 1
Median salary £31,500 £50,500 £37,500
Median salary % change year-on-year -37.62% +34.66%  
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 England with a requirement for industry standards, technical specifications and software library and framework skills.

Software Library & Framework Skills
England
Permanent job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 34401 36236 39930
As % of all permanent IT job vacancies advertised in England 41.07% 39.22% 38.41%
Number of salaries quoted 29078 31860 34496
Median salary £47,500 £45,709 £45,000
Median salary % change year-on-year +3.91% +1.57%  
90% offered a salary of more than £32,500 £31,500 £30,000
10% offered a salary of more than £70,000 £65,000 £70,000
UK excluding London median salary £42,500 £40,000 £40,000
% change year-on-year +6.25% -  

Leaflet
Job Vacancy Trend in England

The job posting trend of jobs advertised in England 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 England

Leaflet
Salary Trend in England

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

Salary trend for Leaflet in England

Leaflet
Salary Histogram in England

The salary distribution of IT jobs citing Leaflet in England over the 3 months to 23 June 2017.

Salary histogram for Leaflet in England

Leaflet
Job Locations in England

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Leaflet within the England region over the 3 months to 23 June 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Last 3 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
South East - 8 £31,500 -
London +16 1 £65,000 -16.12%
Leaflet
UK

For the 6 months to 23 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 England region with a requirement for Leaflet.

1 30 (78.95%) JavaScript
2 26 (68.42%) Web Development
3 18 (47.37%) Responsive Web Design
3 18 (47.37%) QGIS
3 18 (47.37%) OpenLayers
4 17 (44.74%) D3.js
4 17 (44.74%) Visualisation
4 17 (44.74%) Data Visualisation
5 16 (42.11%) Git (software)
5 16 (42.11%) PHP
5 16 (42.11%) Google
6 15 (39.47%) Google Maps API
6 15 (39.47%) MySQL
7 14 (36.84%) jQuery
8 13 (34.21%) Degree
9 12 (31.58%) Web Design
9 12 (31.58%) ArcGIS
9 12 (31.58%) Linux
10 11 (28.95%) CSS
10 11 (28.95%) HTML
11 9 (23.68%) GeoServer
11 9 (23.68%) SQL
11 9 (23.68%) GIS
11 9 (23.68%) Agile Software Development
11 9 (23.68%) PostgreSQL
12 8 (21.05%) Python
12 8 (21.05%) User Experience
13 7 (18.42%) Big Data
13 7 (18.42%) SSH
14 6 (15.79%) Advertising

Leaflet
Co-occurring IT Skills in England 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 12 (31.58%) ArcGIS
2 9 (23.68%) GeoServer
3 5 (13.16%) SAS
4 3 (7.89%) Drupal
4 3 (7.89%) SilverStripe
5 1 (2.63%) Apache Spark
5 1 (2.63%) CMS
Applications
1 1 (2.63%) Microsoft Office
Cloud Services
1 2 (5.26%) Amazon AWS
1 2 (5.26%) Cloud Computing
2 1 (2.63%) Amazon EC2
2 1 (2.63%) Amazon S3
Communications & Networking
1 7 (18.42%) SSH
2 6 (15.79%) Internet
3 1 (2.63%) HTTP
3 1 (2.63%) HTTPS
Database & Business Intelligence
1 18 (47.37%) QGIS
2 15 (39.47%) MySQL
3 9 (23.68%) GIS
3 9 (23.68%) PostgreSQL
4 7 (18.42%) Big Data
5 1 (2.63%) Amazon Redshift
5 1 (2.63%) Apache Hive
5 1 (2.63%) Data Mining
5 1 (2.63%) Hadoop
5 1 (2.63%) Text Mining
Development Applications
1 16 (42.11%) Git (software)
General
1 6 (15.79%) Advertising
Job Titles
1 26 (68.42%) Developer
2 20 (52.63%) JavaScript Developer
3 18 (47.37%) Web Developer
4 13 (34.21%) Senior Developer
5 12 (31.58%) Senior Web Developer
6 11 (28.95%) Senior JavaScript Developer
7 6 (15.79%) Python Developer
7 6 (15.79%) Python Web Developer
8 2 (5.26%) Business Intelligence Lead
8 2 (5.26%) Software Developer
9 1 (2.63%) AWS Engineer
9 1 (2.63%) AWS Software Engineer
9 1 (2.63%) Designer
9 1 (2.63%) Front End Developer (Client-Side Developer)
9 1 (2.63%) Graduate Front End Developer (Client-Side Developer)
9 1 (2.63%) Java Engineer
9 1 (2.63%) Java Scala Developer
9 1 (2.63%) Java Scala Software Engineer
9 1 (2.63%) Scala Developer
9 1 (2.63%) Scala Software Engineer
Libraries, Frameworks & Software Standards
1 18 (47.37%) OpenLayers
2 17 (44.74%) D3.js
3 15 (39.47%) Google Maps API
4 14 (36.84%) jQuery
5 11 (28.95%) CSS
5 11 (28.95%) HTML
6 6 (15.79%) Backbone.js
6 6 (15.79%) Dojo
6 6 (15.79%) HTML5
6 6 (15.79%) Sass
6 6 (15.79%) Web Services
7 5 (13.16%) Raphaël
8 3 (7.89%) Ajax
8 3 (7.89%) DOM
8 3 (7.89%) JSON
8 3 (7.89%) Laravel
8 3 (7.89%) REST
8 3 (7.89%) Symfony
8 3 (7.89%) Twitter Bootstrap
9 2 (5.26%) Play Framework
Miscellaneous
1 8 (21.05%) User Experience
2 6 (15.79%) Linux Command Line
3 5 (13.16%) Analytical Skills
4 4 (10.53%) Computer Science
5 1 (2.63%) Algorithms
5 1 (2.63%) Mobile App
5 1 (2.63%) Social Media
Operating Systems
1 12 (31.58%) Linux
Processes & Methodologies
1 26 (68.42%) Web Development
2 18 (47.37%) Responsive Web Design
3 17 (44.74%) Data Visualisation
3 17 (44.74%) Visualisation
4 12 (31.58%) Web Design
5 9 (23.68%) Agile Software Development
6 6 (15.79%) Open Source
6 6 (15.79%) Statistics
7 5 (13.16%) Front End Development
8 3 (7.89%) Cross-Browser Development
8 3 (7.89%) Digital Transformation Programme
8 3 (7.89%) MVC
8 3 (7.89%) SDLC
9 2 (5.26%) Agile Project Management
9 2 (5.26%) Business Intelligence
9 2 (5.26%) Mentoring
9 2 (5.26%) Project Management
10 1 (2.63%) Analytics
10 1 (2.63%) Machine Learning
10 1 (2.63%) Propensity Modelling
Programming Languages
1 30 (78.95%) JavaScript
2 16 (42.11%) PHP
3 9 (23.68%) SQL
4 8 (21.05%) Python
5 5 (13.16%) ECMAScript
6 3 (7.89%) Perl
6 3 (7.89%) R
7 2 (5.26%) Java
7 2 (5.26%) Scala
Qualifications
1 13 (34.21%) Degree
Vendors
1 16 (42.11%) Google
2 5 (13.16%) Mapbox
3 3 (7.89%) Adobe
3 3 (7.89%) Zend
4 1 (2.63%) Tableau