The following table provides summary statistics for contract job vacancies advertised in Hounslow with a requirement for JavaScript skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited JavaScript over the 3 months to 23 June 2017 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

JavaScript (including ECMAScript)
London / Hounslow
3 months to
23 Jun 2017
Same period 2016 Same period 2015
Rank 3 7 3
Rank change year-on-year +4 -4  
Contract jobs citing JavaScript 1 1 3
As % of all contract IT jobs advertised in Hounslow 8.33% 3.57% 11.11%
As % of the Programming Languages category 25.00% 25.00% 30.00%
Number of daily rates quoted 1 1 3
Median daily rate £375 £425 £500
Median daily rate % change year-on-year -11.76% -15.00%  
UK excluding London median daily rate £375 £363 £350
% change year-on-year +3.44% +3.57%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £43.39 £37.50 £40.00
% change year-on-year +15.70% -6.25%  

JavaScript is in the programming language skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Hounslow with a requirement for programming language skills.

Contract Programming Language Skills
Hounslow
Contract job vacancies with a requirement for programming language skills 4 4 10
As % of all contract IT job vacancies advertised in Hounslow 33.33% 14.29% 37.04%
Number of daily rates quoted 2 3 9
Median daily rate £375 £458 £375
Median daily rate % change year-on-year -18.03% +22.00%  
UK excluding London median daily rate £400 £375 £350
% change year-on-year +6.66% +7.14%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £42.50 £37.50 £36.50
% change year-on-year +13.33% +2.73%  

JavaScript
Job Vacancy Trend in Hounslow

The job posting trend of jobs advertised in Hounslow citing JavaScript as a proportion of all contract or permanent IT jobs with a match in the Programming Languages category.

Job vacancy trend for JavaScript in Hounslow

JavaScript
Contractor Daily Rate Trend in Hounslow

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing JavaScript in Hounslow.

Contractor daily rate trend for JavaScript in Hounslow

For the 6 months to 23 June 2017, IT contractor jobs citing JavaScript also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the Hounslow region with a requirement for JavaScript.

1 2 (100.00%) Agile Software Development
2 1 (50.00%) Law
2 1 (50.00%) HTML
2 1 (50.00%) PHP
2 1 (50.00%) CSS
2 1 (50.00%) Web Services
2 1 (50.00%) OO
2 1 (50.00%) Banking
2 1 (50.00%) CodeIgniter
2 1 (50.00%) jQuery
2 1 (50.00%) Git (software)
2 1 (50.00%) Amazon AWS
2 1 (50.00%) HTML5
2 1 (50.00%) LESS
2 1 (50.00%) AngularJS
2 1 (50.00%) Analytics
2 1 (50.00%) TypeScript
2 1 (50.00%) DevOps
2 1 (50.00%) User Experience
2 1 (50.00%) webpack
2 1 (50.00%) Data Centre
2 1 (50.00%) gulp
2 1 (50.00%) Angular 2

JavaScript
Co-occurring IT Skills in Hounslow 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:

Cloud Services
1 1 (50.00%) Amazon AWS
Development Applications
1 1 (50.00%) Git (software)
1 1 (50.00%) gulp
1 1 (50.00%) webpack
General
1 1 (50.00%) Banking
1 1 (50.00%) Law
Job Titles
1 2 (100.00%) Developer
2 1 (50.00%) Angular Developer
2 1 (50.00%) Front End Developer (Client-Side Developer)
2 1 (50.00%) JavaScript Developer
2 1 (50.00%) PHP Developer
Libraries, Frameworks & Software Standards
1 1 (50.00%) Angular 2
1 1 (50.00%) AngularJS
1 1 (50.00%) CodeIgniter
1 1 (50.00%) CSS
1 1 (50.00%) HTML
1 1 (50.00%) HTML5
1 1 (50.00%) jQuery
1 1 (50.00%) LESS
1 1 (50.00%) Web Services
Miscellaneous
1 1 (50.00%) Data Centre
1 1 (50.00%) User Experience
Processes & Methodologies
1 2 (100.00%) Agile Software Development
2 1 (50.00%) Analytics
2 1 (50.00%) DevOps
2 1 (50.00%) OO
Programming Languages
1 1 (50.00%) PHP
1 1 (50.00%) TypeScript