Period
to 18 December 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 18 December 2017 with a comparison to the same period in the previous 2 years.

Leafletjs
UK
6 months to
18 Dec 2017
Same period 2016 Same period 2015
Rank 1176 1165 1288
Rank change year-on-year -11 +123 -2
Permanent jobs citing Leaflet 13 44 14
As % of all permanent IT jobs advertised in the UK 0.007% 0.024% 0.007%
As % of the Libraries, Frameworks & Software Standards category 0.018% 0.061% 0.017%
Number of salaries quoted 12 40 12
UK median annual salary £47,500 £53,750 £62,500
Median salary % change year-on-year -11.63% -14.00% +29.87%
10th Percentile £33,875 £37,375 £33,750
90th Percentile £65,000 £97,500 £93,500
UK excluding London median annual salary £47,500 £50,500 £35,000
% change year-on-year -5.94% +44.29% -30.00%

Leaflet is in the Software Libraries and Frameworks category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
UK
Permanent vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 71920 71951 81434
As % of all permanent IT jobs advertised in the UK 40.14% 39.13% 37.95%
Number of salaries quoted 59972 62310 69882
UK median annual salary £50,000 £47,500 £45,000
Median salary % change year-on-year +5.26% +5.56% +2.27%
10th Percentile £29,875 £28,750 £27,500
90th Percentile £77,500 £77,500 £75,000
UK excluding London median annual salary £42,500 £42,500 £40,000
% change year-on-year - +6.25% -

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 18 December 2017.

Salary histogram for Leaflet in the UK

Leaflet
Top 6 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 18 December 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
UK excluding London +18 13 £47,500 -5.94% 1
England -4 9 £40,000 -27.27% 1
South East +48 8 £40,000 -27.27% 1
Scotland -22 4 £60,000 +33.33%
North of England +6 1 £55,000 -
Yorkshire - 1 £55,000 -

For the 6 months to 18 December 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 13 (100.00%) JavaScript
2 11 (84.62%) OpenLayers
3 8 (61.54%) REST
3 8 (61.54%) CSS
4 6 (46.15%) HTML
4 6 (46.15%) D3.js
5 5 (38.46%) Big Data
5 5 (38.46%) Data Visualisation
5 5 (38.46%) Tableau
5 5 (38.46%) Visualisation
5 5 (38.46%) Analytics
5 5 (38.46%) Visual Analytics
5 5 (38.46%) FusionCharts
5 5 (38.46%) SDLC
5 5 (38.46%) Dashboard Development
5 5 (38.46%) Front End Development
5 5 (38.46%) Grafana
5 5 (38.46%) Cross-Browser Development
5 5 (38.46%) DOM
5 5 (38.46%) GIS
5 5 (38.46%) Data Analysis
5 5 (38.46%) Ajax
5 5 (38.46%) Google
5 5 (38.46%) JSON
5 5 (38.46%) Google Maps API
6 3 (23.08%) Degree
6 3 (23.08%) Computer Science
6 3 (23.08%) AngularJS
7 2 (15.38%) Data Analytics
7 2 (15.38%) 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 2 (15.38%) GeoServer
1 2 (15.38%) JBoss
1 2 (15.38%) WildFly
Communications & Networking
1 2 (15.38%) SNMP
Database & Business Intelligence
1 5 (38.46%) Big Data
1 5 (38.46%) GIS
General
1 1 (7.69%) Aerospace
1 1 (7.69%) Electronics
Job Titles
1 8 (61.54%) Developer
2 4 (30.77%) JavaScript Developer
3 3 (23.08%) Data Engineer
4 2 (15.38%) Consultant
4 2 (15.38%) Data Consultant
4 2 (15.38%) Data Visualisation Consultant
4 2 (15.38%) GIS Developer
4 2 (15.38%) Java Developer
5 1 (7.69%) Developer/Software Engineer
5 1 (7.69%) Java Engineer
5 1 (7.69%) Java Software Developer
5 1 (7.69%) Java Software Engineer
5 1 (7.69%) Portal Developer
5 1 (7.69%) Software Engineer
Libraries, Frameworks & Software Standards
1 11 (84.62%) OpenLayers
2 8 (61.54%) CSS
2 8 (61.54%) REST
3 6 (46.15%) D3.js
3 6 (46.15%) HTML
4 5 (38.46%) Ajax
4 5 (38.46%) DOM
4 5 (38.46%) FusionCharts
4 5 (38.46%) Google Maps API
4 5 (38.46%) JSON
5 3 (23.08%) AngularJS
6 2 (15.38%) Java EE
6 2 (15.38%) Twitter Bootstrap
6 2 (15.38%) Web Services
7 1 (7.69%) Apache Flex
7 1 (7.69%) React
Miscellaneous
1 3 (23.08%) Computer Science
2 2 (15.38%) Smart City
3 1 (7.69%) User Experience
Processes & Methodologies
1 5 (38.46%) Analytics
1 5 (38.46%) Cross-Browser Development
1 5 (38.46%) Dashboard Development
1 5 (38.46%) Data Analysis
1 5 (38.46%) Data Visualisation
1 5 (38.46%) Front End Development
1 5 (38.46%) SDLC
1 5 (38.46%) Visual Analytics
1 5 (38.46%) Visualisation
2 2 (15.38%) Data Analytics
2 2 (15.38%) Software Engineering
3 1 (7.69%) Physics
Programming Languages
1 13 (100.00%) JavaScript
2 2 (15.38%) Java
2 2 (15.38%) SQL
Qualifications
1 3 (23.08%) Degree
2 1 (7.69%) SC Cleared
2 1 (7.69%) Security Cleared
Systems Management
1 5 (38.46%) Grafana
Vendors
1 5 (38.46%) Google
1 5 (38.46%) Tableau