Period
to 23 April 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 23 April 2018 with a comparison to the same period in the previous 2 years.

CasperJS
England > London
6 months to
23 Apr 2018
Same period 2017 Same period 2016
Rank 814 803 888
Rank change year-on-year -11 +85 -
Permanent jobs citing CasperJS 13 9 14
As % of all permanent IT jobs advertised in London 0.019% 0.013% 0.017%
As % of the Development Applications category 0.091% 0.066% 0.090%
Number of salaries quoted 13 9 14
London median annual salary £52,500 £55,000 £57,500
Median salary % change year-on-year -4.55% -4.35% -
10th Percentile £45,000 £45,750 £38,850
90th Percentile £71,250 £74,250 £66,250
England median annual salary £45,000 £55,000 £43,250
% change year-on-year -18.18% +27.17% +8.13%

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 14,274 13,563 15,502
As % of all permanent IT jobs advertised in London 20.39% 19.77% 18.58%
Number of salaries quoted 11,585 11,508 13,463
London median annual salary £60,000 £57,500 £55,000
Median salary % change year-on-year +4.35% +4.55% +4.76%
10th Percentile £38,250 £36,250 £35,000
90th Percentile £86,250 £82,500 £78,750
England median annual salary £50,000 £47,500 £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 23 April 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 23 April 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 +29 5 £45,000 -5.26%
CasperJS
England

For the 6 months to 23 April 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 11 (84.62%) Agile Software Development
2 9 (69.23%) Ruby
2 9 (69.23%) JIRA
3 6 (46.15%) QA
3 6 (46.15%) Node.js
3 6 (46.15%) Selenium
3 6 (46.15%) TDD
3 6 (46.15%) Jenkins
4 5 (38.46%) Data Analytics
4 5 (38.46%) PhantomJS
4 5 (38.46%) React
4 5 (38.46%) Analytics
4 5 (38.46%) Linux Command Line
4 5 (38.46%) PostgreSQL
4 5 (38.46%) FitNesse
4 5 (38.46%) Atlassian
4 5 (38.46%) Ruby on Rails
4 5 (38.46%) Java
4 5 (38.46%) C#
4 5 (38.46%) JUnit
4 5 (38.46%) Web Services
4 5 (38.46%) Unix
4 5 (38.46%) Windows
4 5 (38.46%) Heroku
4 5 (38.46%) Data Visualisation
4 5 (38.46%) Concordion
4 5 (38.46%) Behat
4 5 (38.46%) Confluence
4 5 (38.46%) Cucumber
4 5 (38.46%) BDD

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 5 (38.46%) Confluence
2 2 (15.38%) CMS
3 1 (7.69%) Drupal
Cloud Services
1 5 (38.46%) Amazon AWS
1 5 (38.46%) Heroku
1 5 (38.46%) Microsoft Azure
2 3 (23.08%) GitHub
3 1 (7.69%) npm
Database & Business Intelligence
1 5 (38.46%) PostgreSQL
2 3 (23.08%) Amazon Redshift
2 3 (23.08%) Big Data
2 3 (23.08%) Hadoop
3 1 (7.69%) MongoDB
3 1 (7.69%) NoSQL
Development Applications
1 9 (69.23%) JIRA
2 6 (46.15%) Jenkins
2 6 (46.15%) Selenium
3 5 (38.46%) Concordion
3 5 (38.46%) Cucumber
3 5 (38.46%) FitNesse
3 5 (38.46%) JBehave
3 5 (38.46%) JUnit
3 5 (38.46%) PhantomJS
3 5 (38.46%) TestNG
3 5 (38.46%) WebDriver
4 3 (23.08%) CircleCI
5 2 (15.38%) Jasmine
5 2 (15.38%) Karma Test Runner
6 1 (7.69%) Bitbucket
6 1 (7.69%) webpack
Job Titles
1 3 (23.08%) Automation Tester
1 3 (23.08%) Developer
1 3 (23.08%) QA Automation Engineer
1 3 (23.08%) QA Automation Tester
1 3 (23.08%) QA Engineer
1 3 (23.08%) QA Tester
1 3 (23.08%) Tester
2 2 (15.38%) CSS Developer
2 2 (15.38%) Hadoop Engineer
2 2 (15.38%) HTML CSS Developer
2 2 (15.38%) HTML Developer
2 2 (15.38%) Java Automation Tester
2 2 (15.38%) Java Engineer
2 2 (15.38%) JavaScript Developer
2 2 (15.38%) Machine Learning Engineer
2 2 (15.38%) Python Engineer
2 2 (15.38%) Selenium Automation Tester
2 2 (15.38%) Selenium Tester
2 2 (15.38%) UI Developer
3 1 (7.69%) Automation Engineer
Libraries, Frameworks & Software Standards
1 6 (46.15%) Node.js
2 5 (38.46%) Behat
2 5 (38.46%) React
2 5 (38.46%) Ruby on Rails
2 5 (38.46%) Web Services
3 4 (30.77%) Apache Flex
3 4 (30.77%) CSS
3 4 (30.77%) LESS
3 4 (30.77%) REST
3 4 (30.77%) RESTful
3 4 (30.77%) Sass
4 3 (23.08%) Redux
5 2 (15.38%) AngularJS
5 2 (15.38%) Backbone.js
5 2 (15.38%) HTML
5 2 (15.38%) HTML5
5 2 (15.38%) KnockoutJS
6 1 (7.69%) Express
6 1 (7.69%) Swagger
6 1 (7.69%) Twitter Bootstrap
Miscellaneous
1 5 (38.46%) Linux Command Line
2 2 (15.38%) Analytical Skills
2 2 (15.38%) User Experience
Operating Systems
1 5 (38.46%) Unix
1 5 (38.46%) Windows
Processes & Methodologies
1 11 (84.62%) Agile Software Development
2 6 (46.15%) TDD
3 5 (38.46%) Analytics
3 5 (38.46%) BDD
3 5 (38.46%) Data Analytics
3 5 (38.46%) Data Visualisation
3 5 (38.46%) Test Automation
3 5 (38.46%) Visualisation
4 4 (30.77%) API Testing
5 3 (23.08%) Dashboard Development
5 3 (23.08%) Machine Learning
5 3 (23.08%) Web Design
6 2 (15.38%) Analytical Thinking
6 2 (15.38%) Front End Development
6 2 (15.38%) MVC
6 2 (15.38%) Responsive Web Design
6 2 (15.38%) Wireframes
7 1 (7.69%) Exploratory Testing
7 1 (7.69%) Progressive Web App
7 1 (7.69%) Waterfall
Programming Languages
1 9 (69.23%) Ruby
2 5 (38.46%) C#
2 5 (38.46%) Java
3 3 (23.08%) Python
4 2 (15.38%) JavaScript
5 1 (7.69%) PHP
5 1 (7.69%) SQL
Quality Assurance & Compliance
1 6 (46.15%) QA
System Software
1 1 (7.69%) Docker
Vendors
1 5 (38.46%) Atlassian
2 1 (7.69%) Twitter