Period
to 21 August 2018

The following table provides summary statistics for permanent job vacancies advertised in London 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 21 August 2018 with a comparison to the same period in the previous 2 years.

CasperJS
England > London
6 months to
21 Aug 2018
Same period 2017 Same period 2016
Rank 805 821 898
Rank change year-on-year +16 +77 +20
Permanent jobs citing CasperJS 10 17 3
As % of all permanent IT jobs advertised in London 0.014% 0.023% 0.004%
As % of the Development Applications category 0.072% 0.11% 0.019%
Number of salaries quoted 10 16 3
London median annual salary £57,500 £58,750 £50,000
Median salary % change year-on-year -2.13% +17.50% -
10th Percentile £47,750 £43,125 £38,000
90th Percentile £65,625 £74,375 £57,000
England median annual salary £57,500 £57,500 £37,500
% change year-on-year - +53.33% -25.00%

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 London with a requirement for development application skills.

All Development Application Skills
London
Permanent vacancies with a requirement for development application skills 13,795 15,289 15,487
As % of all permanent IT jobs advertised in London 19.97% 20.70% 19.19%
Number of salaries quoted 11,002 12,094 13,604
London median annual salary £60,000 £60,000 £55,000
Median salary % change year-on-year - +9.09% -
10th Percentile £40,000 £37,000 £35,000
90th Percentile £90,000 £85,000 £81,250
England median annual salary £50,000 £50,000 £47,500
% change year-on-year - +5.26% +5.56%

CasperJS
Job Vacancy Trend in London

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

Job vacancy trend for CasperJS in London

CasperJS
Salary Trend in London

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

Salary trend for CasperJS in London

CasperJS
Salary Histogram in London

The salary distribution of IT jobs citing CasperJS in London over the 6 months to 21 August 2018.

Salary histogram for CasperJS in London

CasperJS
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing CasperJS within the London region over the 6 months to 21 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
West London - 1 £42,500 -
CasperJS
England

For the 6 months to 21 August 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 London region with a requirement for CasperJS.

1 8 (80.00%) CSS
1 8 (80.00%) Node.js
1 8 (80.00%) Sass
1 8 (80.00%) LESS
2 7 (70.00%) Data Analytics
2 7 (70.00%) PhantomJS
2 7 (70.00%) Analytics
2 7 (70.00%) React
2 7 (70.00%) Redux
2 7 (70.00%) Visualisation
2 7 (70.00%) Data Visualisation
2 7 (70.00%) Heroku
2 7 (70.00%) PostgreSQL
2 7 (70.00%) Ruby
2 7 (70.00%) Ruby on Rails
3 6 (60.00%) Front End Development
4 4 (40.00%) Agile Software Development
4 4 (40.00%) TDD
5 3 (30.00%) Web Design
6 2 (20.00%) MVC
6 2 (20.00%) CMS
6 2 (20.00%) JIRA
6 2 (20.00%) HTML
6 2 (20.00%) JavaScript
6 2 (20.00%) HTML5
6 2 (20.00%) Backbone.js
6 2 (20.00%) KnockoutJS
6 2 (20.00%) Wireframes
6 2 (20.00%) User Experience
6 2 (20.00%) Karma Test Runner

CasperJS
Co-occurring IT Skills in London 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 (20.00%) CMS
2 1 (10.00%) Drupal
Cloud Services
1 7 (70.00%) Heroku
2 1 (10.00%) GitHub
2 1 (10.00%) npm
Database & Business Intelligence
1 7 (70.00%) PostgreSQL
2 1 (10.00%) Amazon Redshift
2 1 (10.00%) Big Data
2 1 (10.00%) Hadoop
2 1 (10.00%) MongoDB
2 1 (10.00%) NoSQL
Development Applications
1 7 (70.00%) PhantomJS
2 2 (20.00%) Jasmine
2 2 (20.00%) JIRA
2 2 (20.00%) Karma Test Runner
3 1 (10.00%) Bitbucket
3 1 (10.00%) CircleCI
3 1 (10.00%) Jenkins
3 1 (10.00%) Selenium
3 1 (10.00%) webpack
Job Titles
1 3 (30.00%) Developer
2 2 (20.00%) CSS Developer
2 2 (20.00%) HTML CSS Developer
2 2 (20.00%) HTML Developer
2 2 (20.00%) JavaScript Developer
2 2 (20.00%) UI Developer
3 1 (10.00%) Data Scientist
3 1 (10.00%) PHP Developer
3 1 (10.00%) Software Developer
Libraries, Frameworks & Software Standards
1 8 (80.00%) CSS
1 8 (80.00%) LESS
1 8 (80.00%) Node.js
1 8 (80.00%) Sass
2 7 (70.00%) React
2 7 (70.00%) Redux
2 7 (70.00%) Ruby on Rails
3 2 (20.00%) AngularJS
3 2 (20.00%) Backbone.js
3 2 (20.00%) HTML
3 2 (20.00%) HTML5
3 2 (20.00%) KnockoutJS
4 1 (10.00%) Express
4 1 (10.00%) GraphQL
4 1 (10.00%) Swagger
4 1 (10.00%) Twitter Bootstrap
4 1 (10.00%) Web Services
Miscellaneous
1 2 (20.00%) User Experience
2 1 (10.00%) Analytical Skills
Processes & Methodologies
1 7 (70.00%) Analytics
1 7 (70.00%) Data Analytics
1 7 (70.00%) Data Visualisation
1 7 (70.00%) Visualisation
2 6 (60.00%) Front End Development
3 4 (40.00%) Agile Software Development
3 4 (40.00%) TDD
4 3 (30.00%) Web Design
5 2 (20.00%) MVC
5 2 (20.00%) Responsive Web Design
5 2 (20.00%) Wireframes
6 1 (10.00%) Analytical Thinking
6 1 (10.00%) Dashboard Development
6 1 (10.00%) Data Science
6 1 (10.00%) Machine Learning
6 1 (10.00%) Problem-Solving
6 1 (10.00%) Progressive Web App
6 1 (10.00%) Software Delivery
6 1 (10.00%) Software Engineering
6 1 (10.00%) Waterfall
Programming Languages
1 7 (70.00%) Ruby
2 2 (20.00%) JavaScript
3 1 (10.00%) PHP
3 1 (10.00%) Python
3 1 (10.00%) SQL
Quality Assurance & Compliance
1 1 (10.00%) QA
System Software
1 1 (10.00%) Docker
Vendors
1 1 (10.00%) Twitter