Period
to 19 January 2018

The following table provides summary statistics for permanent job vacancies advertised in London with a requirement for Firebug skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Firebug over the 6 months to 19 January 2018 with a comparison to the same period in the previous 2 years.

Firebug
England > London
6 months to
19 Jan 2018
Same period 2017 Same period 2016
Rank 792 813 876
Rank change year-on-year +21 +63 -12
Permanent jobs citing Firebug 18 12 35
As % of all permanent IT jobs advertised in London 0.026% 0.017% 0.041%
As % of the Development Applications category 0.13% 0.088% 0.23%
Number of salaries quoted 16 9 29
London median annual salary £40,000 £45,000 £45,000
Median salary % change year-on-year -11.11% - -
10th Percentile £35,000 £33,500 £26,050
90th Percentile £62,500 £48,250 £59,750
England median annual salary £40,000 £37,500 £27,500
% change year-on-year +6.67% +36.36% -29.49%

Firebug 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 13,983 13,711 15,232
As % of all permanent IT jobs advertised in London 19.89% 19.40% 17.86%
Number of salaries quoted 11,411 11,900 13,014
London median annual salary £60,000 £57,500 £55,000
Median salary % change year-on-year +4.35% +4.55% +4.76%
10th Percentile £37,500 £35,500 £35,500
90th Percentile £85,000 £82,500 £77,500
England median annual salary £50,000 £47,500 £45,000
% change year-on-year +5.26% +5.56% -

Firebug
Job Vacancy Trend in London

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

Job vacancy trend for Firebug in London

Firebug
Salary Trend in London

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

Salary trend for Firebug in London

Firebug
Salary Histogram in London

The salary distribution of IT jobs citing Firebug in London over the 6 months to 19 January 2018.

Salary histogram for Firebug in London

Firebug
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Firebug within the London region over the 6 months to 19 January 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
South London - 5 £40,000 -
Central London 0 3 £38,750 -13.89%
Firebug
England

For the 6 months to 19 January 2018, IT jobs citing Firebug also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the London region with a requirement for Firebug.

1 16 (88.89%) Agile Software Development
2 15 (83.33%) HTML
2 15 (83.33%) CSS
3 14 (77.78%) JavaScript
4 13 (72.22%) XML
5 12 (66.67%) SOAP
5 12 (66.67%) Drupal
5 12 (66.67%) CSS3
5 12 (66.67%) AngularJS
6 11 (61.11%) Sass
6 11 (61.11%) Node.js
6 11 (61.11%) REST
6 11 (61.11%) Grunt
6 11 (61.11%) gulp
7 10 (55.56%) npm
7 10 (55.56%) Bower
7 10 (55.56%) Code Optimisation
8 9 (50.00%) Front End Development
8 9 (50.00%) Express
9 8 (44.44%) Retail
10 7 (38.89%) Web Development
11 5 (27.78%) TDD
11 5 (27.78%) Git (software)
12 4 (22.22%) JSON
12 4 (22.22%) OO
12 4 (22.22%) Java
13 3 (16.67%) PHP
13 3 (16.67%) SQL
13 3 (16.67%) Selenium
13 3 (16.67%) Continuous Integration

Firebug
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 12 (66.67%) Drupal
2 2 (11.11%) OpenStack
2 2 (11.11%) Oracle SOA Suite
3 1 (5.56%) Apache
3 1 (5.56%) Elasticsearch
3 1 (5.56%) Tomcat
3 1 (5.56%) WordPress
Cloud Services
1 10 (55.56%) npm
2 2 (11.11%) GitHub
3 1 (5.56%) Amazon AWS
3 1 (5.56%) BrowserStack
3 1 (5.56%) Google Analytics
3 1 (5.56%) IaaS
Communications & Networking
1 2 (11.11%) HTTP
2 1 (5.56%) DNS
2 1 (5.56%) Firewall
Database & Business Intelligence
1 2 (11.11%) PostgreSQL
1 2 (11.11%) Relational Database
2 1 (5.56%) MySQL
2 1 (5.56%) Redis
Development Applications
1 11 (61.11%) Grunt
1 11 (61.11%) gulp
2 10 (55.56%) Bower
3 5 (27.78%) Git (software)
4 3 (16.67%) Cucumber
4 3 (16.67%) Selenium
4 3 (16.67%) WebDriver
5 2 (11.11%) Jenkins
5 2 (11.11%) PHPUnit
5 2 (11.11%) RSpec
5 2 (11.11%) Vagrant
6 1 (5.56%) Fiddler
6 1 (5.56%) JBehave
6 1 (5.56%) JIRA
6 1 (5.56%) JMeter
6 1 (5.56%) JUnit
6 1 (5.56%) PostCSS
6 1 (5.56%) SoapUI
6 1 (5.56%) TestNG
General
1 8 (44.44%) Retail
2 2 (11.11%) Finance
Job Titles
1 15 (83.33%) Developer
2 8 (44.44%) JavaScript Developer
3 6 (33.33%) Web Developer
4 5 (27.78%) Front End Developer (Client-Side Developer)
5 2 (11.11%) Analyst
5 2 (11.11%) Developer in Test
5 2 (11.11%) Drupal Developer
6 1 (5.56%) Applications Support
6 1 (5.56%) Applications Support Analyst
6 1 (5.56%) Applications Support Engineer
6 1 (5.56%) Automation Test Analyst
6 1 (5.56%) PHP Developer
6 1 (5.56%) Support Analyst
6 1 (5.56%) Support Engineer
6 1 (5.56%) Test Analyst
6 1 (5.56%) Test Engineer
6 1 (5.56%) UI Developer
6 1 (5.56%) Web Engineer
6 1 (5.56%) Web Support Analyst
6 1 (5.56%) Web Support Engineer
Libraries, Frameworks & Software Standards
1 15 (83.33%) CSS
1 15 (83.33%) HTML
2 13 (72.22%) XML
3 12 (66.67%) AngularJS
3 12 (66.67%) CSS3
3 12 (66.67%) SOAP
4 11 (61.11%) Node.js
4 11 (61.11%) REST
4 11 (61.11%) Sass
5 9 (50.00%) Express
6 4 (22.22%) JSON
7 3 (16.67%) LESS
8 2 (11.11%) .NET
8 2 (11.11%) Angular 2
8 2 (11.11%) Dropwizard
8 2 (11.11%) HTML5
8 2 (11.11%) jQuery
8 2 (11.11%) React
8 2 (11.11%) Symfony
9 1 (5.56%) Handlebars
Miscellaneous
1 2 (11.11%) Linux Command Line
2 1 (5.56%) Mainframe
2 1 (5.56%) User Experience
Operating Systems
1 2 (11.11%) Linux
1 2 (11.11%) Unix
2 1 (5.56%) Solaris
Processes & Methodologies
1 16 (88.89%) Agile Software Development
2 10 (55.56%) Code Optimisation
3 9 (50.00%) Front End Development
4 7 (38.89%) Web Development
5 5 (27.78%) TDD
6 4 (22.22%) OO
7 3 (16.67%) BDD
7 3 (16.67%) Continuous Delivery
7 3 (16.67%) Continuous Integration
7 3 (16.67%) Test Automation
8 2 (11.11%) Acceptance Criteria
8 2 (11.11%) Business Analysis
8 2 (11.11%) Digital Transformation Programme
8 2 (11.11%) Domain-Driven Design
8 2 (11.11%) Microservices
8 2 (11.11%) Refactoring
8 2 (11.11%) SOA
9 1 (5.56%) MVC
9 1 (5.56%) SEO
9 1 (5.56%) Validation
Programming Languages
1 14 (77.78%) JavaScript
2 4 (22.22%) Java
3 3 (16.67%) PHP
3 3 (16.67%) SQL
4 2 (11.11%) TypeScript
5 1 (5.56%) Bash Shell
5 1 (5.56%) C#
5 1 (5.56%) Perl
5 1 (5.56%) Ruby
5 1 (5.56%) Scala
Qualifications
1 1 (5.56%) ISEB
1 1 (5.56%) ISTQB
Quality Assurance & Compliance
1 1 (5.56%) QA
Systems Management
1 3 (16.67%) Puppet
2 2 (11.11%) Salt
3 1 (5.56%) HP Quality Center
Vendors
1 2 (11.11%) Oracle
2 1 (5.56%) DoubleClick
2 1 (5.56%) Google
2 1 (5.56%) HP