Period
to 11 December 2018

The following table provides summary statistics for permanent job vacancies advertised in England with a requirement for CasperJS skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited CasperJS over the 6 months to 11 December 2018 with a comparison to the same period in the previous 2 years.

CasperJS
UK > England
6 months to
11 Dec 2018
Same period 2017 Same period 2016
Rank 1109 1153 1193
Rank change year-on-year +44 +40 +80
Permanent jobs citing CasperJS 12 18 8
As % of all permanent IT jobs advertised in England 0.008% 0.011% 0.005%
As % of the Development Applications category 0.041% 0.053% 0.025%
Number of salaries quoted 9 17 7
England median annual salary £57,500 £45,000 £37,500
Median salary % change year-on-year +27.78% +20.00% -14.77%
10th Percentile £45,000 £40,450 £34,950
90th Percentile £65,000 £72,500 £53,750
UK median annual salary £57,500 £45,000 £37,500
% change year-on-year +27.78% +20.00% -14.77%

CasperJS is in the Development Applications category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in England with a requirement for development application skills.

All Development Application Skills
England
Permanent vacancies with a requirement for development application skills 29,343 33,950 32,582
As % of all permanent IT jobs advertised in England 19.77% 20.17% 18.67%
Number of salaries quoted 23,817 28,007 28,326
England median annual salary £52,500 £50,000 £47,500
Median salary % change year-on-year +5.00% +5.26% +5.56%
10th Percentile £32,500 £31,250 £30,250
90th Percentile £80,000 £75,000 £73,750
UK median annual salary £50,000 £50,000 £47,500
% change year-on-year - +5.26% +5.56%

CasperJS
Job Vacancy Trend in England

Job postings citing CasperJS as a percentage of all IT jobs advertised in England.

Job vacancy trend for CasperJS in England

CasperJS
Salary Trend in England

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

Salary trend for CasperJS in England

CasperJS
Job Locations in England

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing CasperJS within the England region over the 6 months to 11 December 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
London +56 6 £57,500 +12.20%
North of England +44 6 £55,000 +10.00% 1
North West +22 6 £55,000 -8.33% 1
CasperJS
UK

For the 6 months to 11 December 2018, IT jobs citing CasperJS also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent job ads across the England region with a requirement for CasperJS.

1 12 (100.00%) CSS
2 11 (91.67%) Node.js
3 8 (66.67%) LESS
4 7 (58.33%) AngularJS
4 7 (58.33%) Responsive Web Design
4 7 (58.33%) Jasmine
4 7 (58.33%) Karma Test Runner
4 7 (58.33%) React
4 7 (58.33%) HTML5
4 7 (58.33%) HTML
4 7 (58.33%) JavaScript
4 7 (58.33%) Web Design
4 7 (58.33%) TDD
5 6 (50.00%) jQuery
5 6 (50.00%) Don't repeat yourself (DRY)
5 6 (50.00%) Sass
6 5 (41.67%) Data Analytics
6 5 (41.67%) PhantomJS
6 5 (41.67%) User Experience
6 5 (41.67%) Analytics
6 5 (41.67%) Front End Development
6 5 (41.67%) Wireframes
6 5 (41.67%) Redux
6 5 (41.67%) Ruby
6 5 (41.67%) Ruby on Rails
6 5 (41.67%) Heroku
6 5 (41.67%) Data Visualisation
6 5 (41.67%) Visualisation
6 5 (41.67%) PostgreSQL
6 5 (41.67%) MVC

CasperJS
Co-occurring IT Skills in England 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 3 (25.00%) CMS
2 1 (8.33%) Adobe Experience Manager
2 1 (8.33%) Drupal
2 1 (8.33%) EPiServer
2 1 (8.33%) SharePoint
Applications
1 4 (33.33%) Photoshop
Cloud Services
1 5 (41.67%) Heroku
Database & Business Intelligence
1 5 (41.67%) PostgreSQL
Development Applications
1 7 (58.33%) Jasmine
1 7 (58.33%) Karma Test Runner
2 5 (41.67%) PhantomJS
3 4 (33.33%) Bitbucket
3 4 (33.33%) Git (software)
3 4 (33.33%) Grunt
3 4 (33.33%) gulp
Job Titles
1 7 (58.33%) Developer
1 7 (58.33%) UI Developer
2 3 (25.00%) Senior Developer
2 3 (25.00%) Senior UI Developer
3 1 (8.33%) CSS Developer
3 1 (8.33%) HTML CSS Developer
3 1 (8.33%) HTML Developer
3 1 (8.33%) JavaScript Developer
Libraries, Frameworks & Software Standards
1 12 (100.00%) CSS
2 11 (91.67%) Node.js
3 8 (66.67%) LESS
4 7 (58.33%) AngularJS
4 7 (58.33%) HTML
4 7 (58.33%) HTML5
4 7 (58.33%) React
5 6 (50.00%) jQuery
5 6 (50.00%) Sass
6 5 (41.67%) Redux
6 5 (41.67%) Ruby on Rails
7 4 (33.33%) Ajax
8 3 (25.00%) Semantic HTML
9 1 (8.33%) Backbone.js
9 1 (8.33%) KnockoutJS
Miscellaneous
1 5 (41.67%) User Experience
Processes & Methodologies
1 7 (58.33%) Responsive Web Design
1 7 (58.33%) TDD
1 7 (58.33%) Web Design
2 6 (50.00%) Don't repeat yourself (DRY)
3 5 (41.67%) Analytics
3 5 (41.67%) Data Analytics
3 5 (41.67%) Data Visualisation
3 5 (41.67%) Front End Development
3 5 (41.67%) MVC
3 5 (41.67%) Visualisation
3 5 (41.67%) Wireframes
4 4 (33.33%) OOP
5 3 (25.00%) Agile Software Development
5 3 (25.00%) Pair Programming
6 1 (8.33%) Collaborative Working
6 1 (8.33%) Mobile First
Programming Languages
1 7 (58.33%) JavaScript
2 5 (41.67%) Ruby
Vendors
1 1 (8.33%) Adobe
1 1 (8.33%) Sitecore