Period
to 16 August 2018

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 16 August 2018 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
16 Aug 2018
Same period 2017 Same period 2016
Rank 869 827 826
Rank change year-on-year -42 -1 +53
Contract jobs citing Leaflet 19 35 82
As % of all contract IT jobs advertised in the UK 0.019% 0.037% 0.075%
As % of the Libraries, Frameworks & Software Standards category 0.054% 0.11% 0.26%
Number of daily rates quoted 5 16 12
UK median daily rate £425 £406 £425
Median daily rate % change year-on-year +4.62% -4.41% +17.24%
10th Percentile £373 £325 £388
90th Percentile £503 £511 £550
UK excluding London median daily rate £475 £510 £425
% change year-on-year -6.86% +20.00% +17.24%
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 35,252 31,010 31,692
As % of all contract IT jobs advertised in the UK 34.46% 32.41% 29.07%
Number of daily rates quoted 24,904 21,394 22,142
UK median daily rate £475 £450 £425
Median daily rate % change year-on-year +5.56% +5.88% +6.25%
10th Percentile £320 £306 £293
90th Percentile £625 £625 £588
UK excluding London median daily rate £423 £400 £383
% change year-on-year +5.75% +4.58% +2.00%
Number of hourly rates quoted 343 384 386
UK median hourly rate £41.50 £40.00 £36.00
Median hourly rate % change year-on-year +3.75% +11.11% -2.70%
10th Percentile £15.24 £16.00 £12.25
90th Percentile £57.50 £53.75 £50.00
UK excluding London median hourly rate £40.25 £40.00 £36.00
% change year-on-year +0.63% +11.11% -2.70%

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
Top 7 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 16 August 2018. 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 -70 19 £425 -8.11% 1
UK excluding London -30 15 £475 -6.86% 1
South East -21 7 £450 -11.76%
East of England -8 6 £475 -
London -16 4 £373 -14.74%
North of England - 2 - -
North West - 2 - -

For the 6 months to 16 August 2018, IT contractor jobs citing Leaflet also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads with a requirement for Leaflet.

1 17 (89.47%) JavaScript
2 15 (78.95%) CSS
2 15 (78.95%) HTML
2 15 (78.95%) OpenLayers
3 13 (68.42%) Sass
4 12 (63.16%) Agile Software Development
5 10 (52.63%) User Experience
5 10 (52.63%) JSON
5 10 (52.63%) Front End Development
6 9 (47.37%) Web Development
7 8 (42.11%) jQuery
7 8 (42.11%) D3.js
7 8 (42.11%) Mapbox
8 7 (36.84%) ES6
8 7 (36.84%) Functional Programming
8 7 (36.84%) TypeScript
9 6 (31.58%) Unity (Game Engine)
9 6 (31.58%) Bower
9 6 (31.58%) AngularJS
9 6 (31.58%) LESS
9 6 (31.58%) Node.js
9 6 (31.58%) HTML5 Canvas
9 6 (31.58%) OWASP
9 6 (31.58%) Responsive Web Design
9 6 (31.58%) RESTful
9 6 (31.58%) MVC
9 6 (31.58%) Telecoms
9 6 (31.58%) Games
9 6 (31.58%) React
9 6 (31.58%) gulp

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 6 (31.58%) Predix
2 2 (10.53%) ArcGIS
Cloud Services
1 6 (31.58%) npm
2 2 (10.53%) Microsoft Azure
Database & Business Intelligence
1 2 (10.53%) Big Data
1 2 (10.53%) GIS
1 2 (10.53%) SQL Server
Development Applications
1 6 (31.58%) Bower
1 6 (31.58%) gulp
General
1 6 (31.58%) Games
1 6 (31.58%) Telecoms
2 2 (10.53%) Finance
2 2 (10.53%) Local Government
Job Titles
1 17 (89.47%) Developer
2 8 (42.11%) JavaScript Developer
3 7 (36.84%) UI Developer
4 6 (31.58%) Front End Developer (Client-Side Developer)
5 4 (21.05%) Web Developer
6 3 (15.79%) React Developer
7 2 (10.53%) Data Visualisation Developer
7 2 (10.53%) Front End Web Developer (Client-Side Developer)
7 2 (10.53%) GIS Developer
7 2 (10.53%) Programme Manager
8 1 (5.26%) GIS Manager
8 1 (5.26%) GIS Web Developer
8 1 (5.26%) Systems Manager
8 1 (5.26%) Web Manager
Libraries, Frameworks & Software Standards
1 15 (78.95%) CSS
1 15 (78.95%) HTML
1 15 (78.95%) OpenLayers
2 13 (68.42%) Sass
3 10 (52.63%) JSON
4 8 (42.11%) D3.js
4 8 (42.11%) jQuery
5 6 (31.58%) Angular 2
5 6 (31.58%) AngularJS
5 6 (31.58%) HTML5 Canvas
5 6 (31.58%) LESS
5 6 (31.58%) Node.js
5 6 (31.58%) Polymer
5 6 (31.58%) React
5 6 (31.58%) RESTful
5 6 (31.58%) Unity (Game Engine)
5 6 (31.58%) Web Components
6 4 (21.05%) GraphQL
6 4 (21.05%) Redux
7 2 (10.53%) Underscore.js
Miscellaneous
1 10 (52.63%) User Experience
2 2 (10.53%) Enterprise Software
2 2 (10.53%) Greenfield Project
2 2 (10.53%) Mobile App
3 1 (5.26%) Analytical Skills
3 1 (5.26%) Minimum Viable Product
Operating Systems
1 2 (10.53%) Windows
1 2 (10.53%) Windows Server
Processes & Methodologies
1 12 (63.16%) Agile Software Development
2 10 (52.63%) Front End Development
3 9 (47.37%) Web Development
4 7 (36.84%) Functional Programming
5 6 (31.58%) MVC
5 6 (31.58%) OWASP
5 6 (31.58%) Responsive Web Design
6 5 (26.32%) Software Delivery
7 4 (21.05%) Wireframes
8 2 (10.53%) Collaborative Working
8 2 (10.53%) Decision-Making
8 2 (10.53%) Information Security
8 2 (10.53%) Line Management
8 2 (10.53%) Mobile Application Development
8 2 (10.53%) Problem-Solving
8 2 (10.53%) Programme Management
8 2 (10.53%) Project Management
8 2 (10.53%) Stakeholder Management
8 2 (10.53%) Web Application Development
8 2 (10.53%) Workflow
Programming Languages
1 17 (89.47%) JavaScript
2 7 (36.84%) ES6
2 7 (36.84%) TypeScript
3 4 (21.05%) C#
4 2 (10.53%) C++
4 2 (10.53%) Java
4 2 (10.53%) SQL
4 2 (10.53%) T-SQL
Qualifications
1 5 (26.32%) Security Cleared
2 2 (10.53%) BPSS Clearance
2 2 (10.53%) DBS Check
2 2 (10.53%) Degree
2 2 (10.53%) Postgraduate
2 2 (10.53%) SC Cleared
Vendors
1 8 (42.11%) Mapbox
2 2 (10.53%) ESRI
2 2 (10.53%) Microsoft
2 2 (10.53%) Progress
3 1 (5.26%) Saba