Period
to 15 December 2018

The following table provides summary statistics for permanent job vacancies advertised in Crawley with a requirement for Backbone.js skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Backbone.js over the 6 months to 15 December 2018 with a comparison to the same period in the previous 2 years.

Backbone.js
West Sussex > Crawley
6 months to
15 Dec 2018
Same period 2017 Same period 2016
Rank 47 70 90
Rank change year-on-year +23 +20 +5
Permanent jobs citing Backbone.js 18 5 1
As % of all permanent IT jobs advertised in Crawley 3.01% 0.77% 0.11%
As % of the Libraries, Frameworks & Software Standards category 8.04% 1.82% 0.31%
Number of salaries quoted 17 5 1
Crawley median annual salary £35,000 £33,500 £30,000
Median salary % change year-on-year +4.48% +11.67% -31.43%
10th Percentile £30,000 £31,750 £27,500
90th Percentile £40,000 £35,250 £32,500
West Sussex median annual salary £35,000 £33,500 £47,500
% change year-on-year +4.48% -29.47% +11.76%

Backbone.js is in the Software Libraries and Frameworks category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in Crawley with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
Crawley
Permanent vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 224 274 318
As % of all permanent IT jobs advertised in Crawley 37.46% 42.09% 33.69%
Number of salaries quoted 214 239 308
Crawley median annual salary £46,500 £43,000 £45,000
Median salary % change year-on-year +8.14% -4.44% +3.45%
10th Percentile £30,000 £26,250 £30,000
90th Percentile £62,500 £57,500 £61,250
West Sussex median annual salary £45,000 £45,000 £43,500
% change year-on-year - +3.45% +2.35%

Backbone.js
Job Vacancy Trend in Crawley

Job postings citing Backbone.js as a percentage of all IT jobs advertised in Crawley.

Job vacancy trend for Backbone.js in Crawley

Backbone.js
Salary Trend in Crawley

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Backbone.js in Crawley.

Salary trend for Backbone.js in Crawley

For the 6 months to 15 December 2018, IT jobs citing Backbone.js 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 Crawley region with a requirement for Backbone.js.

1 18 (100.00%) JavaScript
1 18 (100.00%) PHP
1 18 (100.00%) Web Development
1 18 (100.00%) Vue.js
2 16 (88.89%) Front End Development
2 16 (88.89%) gulp
2 16 (88.89%) REST
2 16 (88.89%) Laravel
2 16 (88.89%) HTML
2 16 (88.89%) Grunt
2 16 (88.89%) CSS
3 2 (11.11%) Python
3 2 (11.11%) React
3 2 (11.11%) AngularJS
3 2 (11.11%) ES6

Backbone.js
Co-occurring IT Skills in Crawley 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:

Development Applications
1 16 (88.89%) Grunt
1 16 (88.89%) gulp
Job Titles
1 18 (100.00%) Developer
2 16 (88.89%) JavaScript Developer
2 16 (88.89%) PHP Developer
3 10 (55.56%) Full Stack Developer
4 8 (44.44%) PHP Web Developer
4 8 (44.44%) Web Developer
Libraries, Frameworks & Software Standards
1 18 (100.00%) Vue.js
2 16 (88.89%) CSS
2 16 (88.89%) HTML
2 16 (88.89%) Laravel
2 16 (88.89%) REST
3 2 (11.11%) AngularJS
3 2 (11.11%) React
Processes & Methodologies
1 18 (100.00%) Web Development
2 16 (88.89%) Front End Development
Programming Languages
1 18 (100.00%) JavaScript
1 18 (100.00%) PHP
2 2 (11.11%) ES6
2 2 (11.11%) Python