Period
to 24 July 2017

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 6 months to 24 July 2017 with a comparison to the same period in the previous 2 years.

Leafletjs
UK
6 months to
24 Jul 2017
Same period 2016 Same period 2015
Rank 1153 1232 1301
Rank change year-on-year +79 +69 -1
Permanent jobs citing Leaflet 36 35 2
As % of all permanent IT jobs advertised in the UK 0.020% 0.017% 0.001%
As % of the Libraries, Frameworks & Software Standards category 0.050% 0.045% 0.002%
Number of salaries quoted 34 34 1
UK median annual salary £40,000 £47,750 £37,500
Median salary % change year-on-year -16.23% +27.33% -21.05%
10th Percentile £26,250 £36,250 £33,750
90th Percentile £59,500 £97,125 £41,250
UK excluding London median annual salary £38,750 £38,750 £37,500
% change year-on-year - +3.33% -

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 71902 78471 84381
As % of all permanent IT job vacancies advertised in the UK 40.51% 38.79% 37.87%
Number of salaries quoted 60208 67994 71837
UK median annual salary £47,500 £47,500 £45,000
Median salary % change year-on-year - +5.56% +4.65%
10th Percentile £28,750 £28,750 £27,500
90th Percentile £77,500 £75,000 £72,500
UK excluding London median annual salary £42,500 £41,346 £40,000
% change year-on-year +2.79% +3.37% -

Leaflet
Job Vacancy Trend

Job postings citing Leaflet as a percentage of all IT jobs advertised.

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 6 months to 24 July 2017.

Salary histogram for Leaflet in the UK

Leaflet
Top 7 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 6 months to 24 July 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
England +100 35 £40,000 -16.23%
UK excluding London +64 31 £38,750 -
South East - 29 £37,500 -
London +43 5 £52,500 -42.47%
Yorkshire - 1 £55,000 -
Scotland - 1 £55,000 -
North of England - 1 £55,000 -

For the 6 months to 24 July 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 31 (86.11%) JavaScript
2 23 (63.89%) Web Development
3 19 (52.78%) Visualisation
3 19 (52.78%) Data Visualisation
3 19 (52.78%) D3.js
3 19 (52.78%) OpenLayers
4 18 (50.00%) QGIS
4 18 (50.00%) Responsive Web Design
5 15 (41.67%) Google
6 14 (38.89%) Google Maps API
7 13 (36.11%) Degree
7 13 (36.11%) PHP
8 12 (33.33%) Linux
8 12 (33.33%) MySQL
8 12 (33.33%) ArcGIS
8 12 (33.33%) Git (software)
8 12 (33.33%) Web Design
9 11 (30.56%) HTML
9 11 (30.56%) CSS
9 11 (30.56%) jQuery
10 9 (25.00%) Big Data
10 9 (25.00%) GeoServer
10 9 (25.00%) Agile Software Development
11 8 (22.22%) SQL
11 8 (22.22%) Python
12 6 (16.67%) Web Services
12 6 (16.67%) PostgreSQL
12 6 (16.67%) Internet
12 6 (16.67%) SSH
12 6 (16.67%) Statistics

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 12 (33.33%) ArcGIS
2 9 (25.00%) GeoServer
3 5 (13.89%) SAS
4 1 (2.78%) Apache Spark
4 1 (2.78%) CMS
Applications
1 1 (2.78%) Microsoft Office
Cloud Services
1 1 (2.78%) Amazon AWS
1 1 (2.78%) Amazon EC2
1 1 (2.78%) Amazon S3
1 1 (2.78%) Cloud Computing
Communications & Networking
1 6 (16.67%) Internet
1 6 (16.67%) SSH
2 1 (2.78%) HTTP
2 1 (2.78%) HTTPS
Database & Business Intelligence
1 18 (50.00%) QGIS
2 12 (33.33%) MySQL
3 9 (25.00%) Big Data
4 6 (16.67%) PostgreSQL
5 5 (13.89%) GIS
6 1 (2.78%) Amazon Redshift
6 1 (2.78%) Apache Hive
6 1 (2.78%) Data Mining
6 1 (2.78%) Hadoop
6 1 (2.78%) Text Mining
Development Applications
1 12 (33.33%) Git (software)
General
1 3 (8.33%) Advertising
Job Titles
1 23 (63.89%) Developer
2 20 (55.56%) JavaScript Developer
3 18 (50.00%) Web Developer
4 12 (33.33%) Senior Developer
4 12 (33.33%) Senior Web Developer
5 11 (30.56%) Senior JavaScript Developer
6 6 (16.67%) Python Developer
6 6 (16.67%) Python Web Developer
7 2 (5.56%) Business Intelligence Lead
7 2 (5.56%) Consultant
7 2 (5.56%) Data Consultant
7 2 (5.56%) Data Visualisation Consultant
8 1 (2.78%) Analyst
8 1 (2.78%) Data Analyst
8 1 (2.78%) Designer
8 1 (2.78%) Graduate Front End Developer (Client-Side Developer)
8 1 (2.78%) Java Developer
8 1 (2.78%) Java Scala Developer
8 1 (2.78%) Report Analyst
8 1 (2.78%) Scala Developer
Libraries, Frameworks & Software Standards
1 19 (52.78%) D3.js
1 19 (52.78%) OpenLayers
2 14 (38.89%) Google Maps API
3 11 (30.56%) CSS
3 11 (30.56%) HTML
3 11 (30.56%) jQuery
4 6 (16.67%) Backbone.js
4 6 (16.67%) Dojo
4 6 (16.67%) HTML5
4 6 (16.67%) Sass
4 6 (16.67%) Web Services
5 5 (13.89%) Raphaël
6 3 (8.33%) Ajax
6 3 (8.33%) DOM
6 3 (8.33%) JSON
6 3 (8.33%) REST
7 2 (5.56%) FusionCharts
8 1 (2.78%) CSS3
8 1 (2.78%) Play Framework
8 1 (2.78%) RESTful
Miscellaneous
1 6 (16.67%) Linux Command Line
2 5 (13.89%) Analytical Skills
2 5 (13.89%) User Experience
3 4 (11.11%) Computer Science
4 2 (5.56%) Smart City
5 1 (2.78%) Algorithms
5 1 (2.78%) Mobile App
5 1 (2.78%) Social Media
Operating Systems
1 12 (33.33%) Linux
Processes & Methodologies
1 23 (63.89%) Web Development
2 19 (52.78%) Data Visualisation
2 19 (52.78%) Visualisation
3 18 (50.00%) Responsive Web Design
4 12 (33.33%) Web Design
5 9 (25.00%) Agile Software Development
6 6 (16.67%) Open Source
6 6 (16.67%) Statistics
7 5 (13.89%) Front End Development
8 3 (8.33%) Analytics
8 3 (8.33%) Cross-Browser Development
8 3 (8.33%) Digital Transformation Programme
8 3 (8.33%) SDLC
9 2 (5.56%) Agile Project Management
9 2 (5.56%) Dashboard Development
9 2 (5.56%) Data Analysis
9 2 (5.56%) Data Analytics
9 2 (5.56%) Mentoring
9 2 (5.56%) Project Management
9 2 (5.56%) Visual Analytics
Programming Languages
1 31 (86.11%) JavaScript
2 13 (36.11%) PHP
3 8 (22.22%) Python
3 8 (22.22%) SQL
4 5 (13.89%) ECMAScript
5 3 (8.33%) R
6 1 (2.78%) Java
6 1 (2.78%) Scala
Qualifications
1 13 (36.11%) Degree
Systems Management
1 2 (5.56%) Grafana
Vendors
1 15 (41.67%) Google
2 5 (13.89%) Mapbox
3 3 (8.33%) Adobe
3 3 (8.33%) Tableau