Period
to 24 November 2017

The following table provides summary statistics for contract job vacancies with a requirement for Leaflet skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Leaflet over the 6 months to 24 November 2017 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Leafletjs
UK
6 months to
24 Nov 2017
Same period 2016 Same period 2015
Rank 882 795 860
Rank change year-on-year -87 +65 +1
Contract jobs citing Leaflet 14 91 34
As % of all contract IT jobs advertised in the UK 0.014% 0.087% 0.030%
As % of the Libraries, Frameworks & Software Standards category 0.043% 0.28% 0.10%
Number of daily rates quoted 6 17 16
UK median daily rate £510 £425 £388
Median daily rate % change year-on-year +20.00% +9.68% -13.89%
UK excluding London median daily rate £510 £400 £370
% change year-on-year +27.50% +8.11% -17.78%
Number of hourly rates quoted 0 0 0
UK median hourly rate - - -
UK excluding London median hourly rate - - -

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

All Software Libraries and Frameworks
UK
Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 32931 31938 32467
As % of all contract IT jobs advertised in the UK 31.95% 30.42% 28.35%
Number of daily rates quoted 23241 22116 22267
UK median daily rate £450 £425 £410
Median daily rate % change year-on-year +5.88% +3.66% +2.50%
10th Percentile £313 £300 £275
90th Percentile £625 £588 £588
UK excluding London median daily rate £400 £388 £375
% change year-on-year +3.23% +3.33% +7.14%
Number of hourly rates quoted 375 372 557
UK median hourly rate £40.00 £38.00 £37.50
Median hourly rate % change year-on-year +5.26% +1.33% +8.70%
10th Percentile £18.60 £14.44 £15.00
90th Percentile £52.50 £51.80 £54.90
UK excluding London median hourly rate £41.00 £37.50 £37.50
% change year-on-year +9.33% - +10.74%

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
Contractor Daily Rate Trend

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Leaflet.

Contractor daily rate trend for Leaflet in the UK

Leaflet
Contractor Daily Rate Histogram

The daily rate distribution of IT jobs citing Leaflet over the 6 months to 24 November 2017.

Contractor daily rate histogram for Leaflet in the UK

Leaflet
Top 5 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Leaflet within the UK over the 6 months to 24 November 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
England -22 11 £510 +13.33%
UK excluding London -40 10 £510 +27.50%
South East +8 7 £510 +23.64%
East of England +1 3 - -
London -13 1 £335 -25.56%

For the 6 months to 24 November 2017, IT contractor jobs citing Leaflet also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads with a requirement for Leaflet.

1 14 (100.00%) JavaScript
2 11 (78.57%) React
2 11 (78.57%) ES6
3 8 (57.14%) Sass
3 8 (57.14%) HTML
3 8 (57.14%) CSS
3 8 (57.14%) MVC
4 7 (50.00%) TypeScript
4 7 (50.00%) User Experience
4 7 (50.00%) OpenLayers
4 7 (50.00%) Wireframes
5 6 (42.86%) Front End Development
5 6 (42.86%) GIS
6 5 (35.71%) Mapbox
7 3 (21.43%) Electron Framework
7 3 (21.43%) Prototyping
7 3 (21.43%) Redux
7 3 (21.43%) Babel
7 3 (21.43%) webpack
7 3 (21.43%) Node.js
7 3 (21.43%) Python
7 3 (21.43%) SVG
7 3 (21.43%) B2B
8 2 (14.29%) SQL
8 2 (14.29%) ESRI
8 2 (14.29%) Visualisation
8 2 (14.29%) Web Development
8 2 (14.29%) WebGL
8 2 (14.29%) REST
8 2 (14.29%) R

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 1 (7.14%) Apache
1 1 (7.14%) CMS
1 1 (7.14%) Orchard CMS
Applications
1 1 (7.14%) Microsoft Excel
Cloud Services
1 1 (7.14%) Microsoft Azure
Database & Business Intelligence
1 6 (42.86%) GIS
2 1 (7.14%) MongoDB
2 1 (7.14%) NoSQL
2 1 (7.14%) Power BI
2 1 (7.14%) RDBMS
2 1 (7.14%) Relational Database
2 1 (7.14%) SQL Server Analysis Services
2 1 (7.14%) SQL Server Integration Services
2 1 (7.14%) SQL Server Reporting Services
Development Applications
1 3 (21.43%) Babel
1 3 (21.43%) webpack
2 1 (7.14%) JIRA
Job Titles
1 12 (85.71%) Developer
2 7 (50.00%) JavaScript Developer
3 6 (42.86%) Front End Developer (Client-Side Developer)
4 2 (14.29%) Data Manager
5 1 (7.14%) PHP Developer
5 1 (7.14%) PHP Web Developer
5 1 (7.14%) Senior Developer
5 1 (7.14%) Web Developer
Libraries, Frameworks & Software Standards
1 11 (78.57%) React
2 8 (57.14%) CSS
2 8 (57.14%) HTML
2 8 (57.14%) Sass
3 7 (50.00%) OpenLayers
4 3 (21.43%) Electron Framework
4 3 (21.43%) Node.js
4 3 (21.43%) Redux
4 3 (21.43%) SVG
5 2 (14.29%) AngularJS
5 2 (14.29%) D3.js
5 2 (14.29%) REST
5 2 (14.29%) WebGL
6 1 (7.14%) .NET
6 1 (7.14%) .NET Core
6 1 (7.14%) ASP.NET Web API
6 1 (7.14%) Backbone.js
6 1 (7.14%) Flask
6 1 (7.14%) Google Maps API
6 1 (7.14%) LESS
Miscellaneous
1 7 (50.00%) User Experience
Processes & Methodologies
1 8 (57.14%) MVC
2 7 (50.00%) Wireframes
3 6 (42.86%) Front End Development
4 3 (21.43%) B2B
4 3 (21.43%) Prototyping
5 2 (14.29%) Analytics
5 2 (14.29%) Data Analytics
5 2 (14.29%) Data Modelling
5 2 (14.29%) Data Visualisation
5 2 (14.29%) Visualisation
5 2 (14.29%) Web Development
6 1 (7.14%) Agile Software Development
6 1 (7.14%) Continuous Integration
6 1 (7.14%) Data Flow Diagram
6 1 (7.14%) Dependency Injection
6 1 (7.14%) DevOps
6 1 (7.14%) Machine Learning
6 1 (7.14%) Microservices
6 1 (7.14%) OO
6 1 (7.14%) Unit Testing
Programming Languages
1 14 (100.00%) JavaScript
2 11 (78.57%) ES6
3 7 (50.00%) TypeScript
4 3 (21.43%) Python
5 2 (14.29%) R
5 2 (14.29%) SQL
6 1 (7.14%) C#
6 1 (7.14%) PHP
System Software
1 1 (7.14%) Docker
Vendors
1 5 (35.71%) Mapbox
2 2 (14.29%) ESRI
3 1 (7.14%) Google
3 1 (7.14%) Microsoft