The following table provides summary statistics for permanent job vacancies 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 27 April 2017 with a comparison to the same period in the previous 2 years.

Leafletjs
UK
3 months to
27 Apr 2017
Same period 2016 Same period 2015
Rank 840 941 983
Rank change year-on-year +101 +42  
Permanent jobs citing Leaflet 25 9 2
As % of all permanent IT jobs advertised in the UK 0.029% 0.009% 0.002%
As % of the Libraries, Frameworks & Software Standards category 0.071% 0.023% 0.005%
Number of salaries quoted 24 9 1
Median salary £42,500 £50,500 £37,500
Median salary % change year-on-year -15.84% +34.66%  
UK excluding London median salary £40,000 £44,000 £37,500
% change year-on-year -9.09% +17.33%  

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 with a requirement for industry standards, technical specifications and software library and framework skills.

Software Library & Framework Skills
UK
Permanent job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 35093 39987 41963
As % of all permanent IT job vacancies advertised in the UK 40.80% 38.54% 37.91%
Number of salaries quoted 29818 34534 35633
Median salary £45,000 £45,000 £45,000
90% offered a salary of more than £32,000 £31,000 £30,000
10% offered a salary of more than £70,000 £65,000 £67,500
UK excluding London median salary £40,000 £42,500 £40,000
% change year-on-year -5.88% +6.25%  

Leaflet
Job Vacancy Trend

The job posting trend of jobs advertised 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 the UK

Leaflet
Salary Trend

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

Salary trend for Leaflet in the UK

Leaflet
Salary Histogram

The salary distribution of IT jobs citing Leaflet over the 3 months to 27 April 2017.

Salary histogram for Leaflet in the UK

Leaflet
Top 12 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Leaflet within the UK over the 3 months to 27 April 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
England +109 25 £42,500 -15.84%
South East - 21 £40,000 -
Oxfordshire - 14 £45,000 -
Hampshire - 5 £37,500 -
London +73 4 £45,000 -50.00%
Fareham - 3 £40,000 -
Oxford - 2 £45,000 -
Reading - 1 £30,000 -
Berkshire - 1 £30,000 -
Guildford - 1 £45,000 -
Surrey - 1 £45,000 -
City of London - 1 £60,000 -

For the 6 months to 27 April 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 with a requirement for Leaflet.

1 35 (79.55%) JavaScript
2 32 (72.73%) Web Development
3 23 (52.27%) Git (software)
4 22 (50.00%) QGIS
4 22 (50.00%) Google
4 22 (50.00%) PHP
5 21 (47.73%) MySQL
5 21 (47.73%) Google Maps API
6 20 (45.45%) OpenLayers
6 20 (45.45%) jQuery
7 19 (43.18%) PostgreSQL
8 18 (40.91%) Responsive Web Design
9 16 (36.36%) GIS
9 16 (36.36%) SQL
10 15 (34.09%) D3.js
11 14 (31.82%) User Experience
12 13 (29.55%) GeoServer
13 12 (27.27%) ArcGIS
13 12 (27.27%) Linux
13 12 (27.27%) Degree
13 12 (27.27%) Advertising
13 12 (27.27%) Web Design
13 12 (27.27%) Data Visualisation
13 12 (27.27%) Visualisation
14 11 (25.00%) HTML
15 10 (22.73%) MVC
15 10 (22.73%) HTML5
16 9 (20.45%) SilverStripe
16 9 (20.45%) Laravel
16 9 (20.45%) Twitter Bootstrap

Leaflet
Co-occurring IT Skills 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 13 (29.55%) GeoServer
2 12 (27.27%) ArcGIS
3 9 (20.45%) Drupal
3 9 (20.45%) SilverStripe
4 5 (11.36%) SAS
5 1 (2.27%) CMS
Cloud Services
1 3 (6.82%) Cloud Computing
1 3 (6.82%) Microsoft Azure
2 2 (4.55%) Amazon AWS
Communications & Networking
1 8 (18.18%) SSH
2 6 (13.64%) Internet
3 1 (2.27%) HTTP
3 1 (2.27%) HTTPS
Database & Business Intelligence
1 22 (50.00%) QGIS
2 21 (47.73%) MySQL
3 19 (43.18%) PostgreSQL
4 16 (36.36%) GIS
5 7 (15.91%) SQL Server
6 6 (13.64%) Big Data
7 4 (9.09%) Apache Hive
7 4 (9.09%) Hadoop
8 3 (6.82%) Data Warehouse
8 3 (6.82%) Power BI
8 3 (6.82%) SQL Server 2012
8 3 (6.82%) SQL Server 2016
Development Applications
1 23 (52.27%) Git (software)
2 3 (6.82%) Visual Studio
2 3 (6.82%) Visual Studio Tools for Office
3 1 (2.27%) Babel
3 1 (2.27%) Jasmine
3 1 (2.27%) Selenium
3 1 (2.27%) webpack
General
1 12 (27.27%) Advertising
Job Titles
1 34 (77.27%) Developer
2 18 (40.91%) Web Developer
3 17 (38.64%) JavaScript Developer
4 13 (29.55%) Senior Developer
5 12 (27.27%) Senior Web Developer
6 11 (25.00%) Senior JavaScript Developer
7 8 (18.18%) Software Developer
8 6 (13.64%) Python Developer
8 6 (13.64%) Python Web Developer
9 4 (9.09%) Full Stack Developer
9 4 (9.09%) GIS Developer
10 3 (6.82%) Consultant
10 3 (6.82%) Senior .NET Consultant
10 3 (6.82%) Senior Consultant
11 2 (4.55%) AWS Software Engineer
11 2 (4.55%) Business Intelligence Lead
11 2 (4.55%) Java Scala Software Engineer
11 2 (4.55%) Java Software Engineer
11 2 (4.55%) Scala Software Engineer
11 2 (4.55%) Software Engineer
Libraries, Frameworks & Software Standards
1 21 (47.73%) Google Maps API
2 20 (45.45%) jQuery
2 20 (45.45%) OpenLayers
3 15 (34.09%) D3.js
4 11 (25.00%) HTML
5 10 (22.73%) HTML5
6 9 (20.45%) Laravel
6 9 (20.45%) Symfony
6 9 (20.45%) Twitter Bootstrap
7 8 (18.18%) CSS
8 7 (15.91%) Backbone.js
8 7 (15.91%) Sass
9 6 (13.64%) Dojo
9 6 (13.64%) Web Services
10 4 (9.09%) PostGIS
11 3 (6.82%) .NET
11 3 (6.82%) Play Framework
12 2 (4.55%) RESTful
13 1 (2.27%) Ember.js
13 1 (2.27%) Node.js
Miscellaneous
1 14 (31.82%) User Experience
2 6 (13.64%) Linux Command Line
3 5 (11.36%) Computer Science
4 1 (2.27%) Animation
4 1 (2.27%) Mobile App
4 1 (2.27%) Social Media
Operating Systems
1 12 (27.27%) Linux
Processes & Methodologies
1 32 (72.73%) Web Development
2 18 (40.91%) Responsive Web Design
3 12 (27.27%) Data Visualisation
3 12 (27.27%) Visualisation
3 12 (27.27%) Web Design
4 10 (22.73%) MVC
5 8 (18.18%) Agile Software Development
6 5 (11.36%) Business Intelligence
6 5 (11.36%) Open Source
6 5 (11.36%) Statistics
7 3 (6.82%) Dashboard Development
7 3 (6.82%) Front End Development
7 3 (6.82%) Kimball Methodology
7 3 (6.82%) Revenue Management
7 3 (6.82%) Scrum
7 3 (6.82%) Waterfall
8 2 (4.55%) Digital Transformation Programme
8 2 (4.55%) Software Engineering
9 1 (2.27%) User Stories
9 1 (2.27%) Wireframes
Programming Languages
1 35 (79.55%) JavaScript
2 22 (50.00%) PHP
3 16 (36.36%) SQL
4 9 (20.45%) Perl
5 7 (15.91%) Python
6 5 (11.36%) ECMAScript
7 3 (6.82%) C#
7 3 (6.82%) Java
7 3 (6.82%) Scala
7 3 (6.82%) T-SQL
8 2 (4.55%) R
Qualifications
1 12 (27.27%) Degree
Vendors
1 22 (50.00%) Google
2 9 (20.45%) Zend
3 4 (9.09%) Oracle
4 3 (6.82%) Microsoft
4 3 (6.82%) Tableau
5 1 (2.27%) Mapbox