Period
to 22 November 2017

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 6 months to 22 November 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)
West London > Hounslow
6 months to
22 Nov 2017
Same period 2016 Same period 2015
Rank 6 4 23
Rank change year-on-year -2 +19 -7
Contract jobs citing JavaScript 41 39 14
As % of all contract IT jobs advertised in Hounslow 13.14% 12.96% 4.27%
As % of the Programming Languages category 30.15% 46.43% 19.72%
Number of daily rates quoted 30 33 13
Hounslow median daily rate £450 £425 £350
Median daily rate % change year-on-year +5.88% +21.43% -7.28%
10th Percentile £313 £308 £300
90th Percentile £579 £612 £479
West London median daily rate £450 £425 £350
% change year-on-year +5.88% +21.43% -11.11%
Number of hourly rates quoted 0 1 0
Hounslow median hourly rate - £55.00 -
West London median hourly rate - £45.00 £40.50
% change year-on-year - +11.11% +68.75%

JavaScript is in the Programming Languages category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Hounslow with a requirement for coding skills.

All Programming Languages
Hounslow
Contract vacancies with a requirement for coding skills 136 84 71
As % of all contract IT jobs advertised in Hounslow 43.59% 27.91% 21.65%
Number of daily rates quoted 91 58 58
Hounslow median daily rate £525 £433 £400
Median daily rate % change year-on-year +21.39% +8.13% -5.88%
10th Percentile £350 £300 £287
90th Percentile £588 £561 £525
West London median daily rate £475 £413 £375
% change year-on-year +15.15% +10.00% -6.25%
Number of hourly rates quoted 0 3 2
Hounslow median hourly rate - £50.00 £26.21
Median hourly rate % change year-on-year - +90.77% -24.03%
West London median hourly rate £42.50 £27.50 £32.50
% change year-on-year +54.55% -15.38% -12.16%

JavaScript
Job Vacancy Trend in Hounslow

Job postings citing JavaScript as a percentage of all IT jobs advertised in Hounslow.

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

JavaScript
Contractor Daily Rate Histogram in Hounslow

The daily rate distribution of IT jobs citing JavaScript in Hounslow over the 6 months to 22 November 2017.

Contractor daily rate histogram for JavaScript in Hounslow

JavaScript
Contractor Hourly Rate Trend in Hounslow

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing JavaScript in Hounslow.

Contractor hourly rate trend for JavaScript in Hounslow

JavaScript
Contract Job Locations in Hounslow

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing JavaScript within the Hounslow region over the 6 months to 22 November 2017. 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Isleworth - 11 £525 - 2
Brentford +5 10 £385 +28.33%
Osterley - 7 £450 -
Chiswick -9 2 £475 +11.76%
Feltham -11 2 £363 -22.41% 2
JavaScript
West London

For the 6 months to 22 November 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 30 (73.17%) HTML
2 25 (60.98%) CSS
3 23 (56.10%) Agile Software Development
3 23 (56.10%) HTML5
4 19 (46.34%) Git (software)
5 18 (43.90%) CSS3
6 12 (29.27%) Front End Development
6 12 (29.27%) Continuous Integration
6 12 (29.27%) TDD
7 11 (26.83%) RESTful
7 11 (26.83%) Web Services
7 11 (26.83%) OO
7 11 (26.83%) React
8 10 (24.39%) Node.js
8 10 (24.39%) BDD
8 10 (24.39%) Continuous Improvement
8 10 (24.39%) Java
8 10 (24.39%) jQuery
8 10 (24.39%) Pair Programming
9 9 (21.95%) AngularJS
10 8 (19.51%) High Availability
10 8 (19.51%) Degree
11 7 (17.07%) Continuous Delivery
11 7 (17.07%) User Stories
11 7 (17.07%) Redux
12 6 (14.63%) Protractor
12 6 (14.63%) REST
12 6 (14.63%) Web Development
12 6 (14.63%) Selenium
12 6 (14.63%) Service Delivery

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:

Application Platforms
1 2 (4.88%) CMS
1 2 (4.88%) IIS
2 1 (2.44%) BizTalk Server
2 1 (2.44%) Drupal
2 1 (2.44%) Joomla!
2 1 (2.44%) SharePoint
2 1 (2.44%) WordPress
Applications
1 2 (4.88%) Photoshop
2 1 (2.44%) InVision
2 1 (2.44%) Microsoft Excel
2 1 (2.44%) Microsoft PowerPoint
Cloud Services
1 5 (12.20%) Microsoft Azure
2 1 (2.44%) GitHub
2 1 (2.44%) Office 365
2 1 (2.44%) SaaS
Communications & Networking
1 1 (2.44%) HTTP
1 1 (2.44%) Internet
1 1 (2.44%) Intranet
Database & Business Intelligence
1 3 (7.32%) SQL Server
2 2 (4.88%) MongoDB
2 2 (4.88%) MySQL
2 2 (4.88%) Relational Database
3 1 (2.44%) Data Warehouse
Development Applications
1 19 (46.34%) Git (software)
2 6 (14.63%) Protractor
2 6 (14.63%) Selenium
3 5 (12.20%) Jasmine
3 5 (12.20%) Mocha
4 4 (9.76%) WebDriver
5 3 (7.32%) Jenkins
5 3 (7.32%) Karma Test Runner
6 2 (4.88%) Cucumber
6 2 (4.88%) JUnit
6 2 (4.88%) Subversion
6 2 (4.88%) Team Foundation Server
6 2 (4.88%) Xcode
7 1 (2.44%) Bitbucket
7 1 (2.44%) Gradle
7 1 (2.44%) Hudson
7 1 (2.44%) JIRA
7 1 (2.44%) PHPUnit
7 1 (2.44%) Visual Studio
7 1 (2.44%) Visual Studio Team System
General
1 4 (9.76%) Spanish Language
2 2 (4.88%) Back Office
3 1 (2.44%) Retail
3 1 (2.44%) Telecoms
Job Titles
1 33 (80.49%) Developer
2 11 (26.83%) JavaScript Developer
3 6 (14.63%) Front End Developer (Client-Side Developer)
4 5 (12.20%) Architect
5 4 (9.76%) Applications Architect
5 4 (9.76%) Developer in Test
5 4 (9.76%) HTML Developer
5 4 (9.76%) Senior Developer
5 4 (9.76%) Software Developer
6 3 (7.32%) HTML CSS Developer
6 3 (7.32%) Senior JavaScript Developer
7 2 (4.88%) iOS Developer
7 2 (4.88%) MySQL Developer
7 2 (4.88%) Objective-C Developer
7 2 (4.88%) PHP Developer
7 2 (4.88%) UI Developer
8 1 (2.44%) Angular Developer
8 1 (2.44%) Office 365 Developer
8 1 (2.44%) QA Automation Tester
8 1 (2.44%) SEO Expert
Libraries, Frameworks & Software Standards
1 30 (73.17%) HTML
2 25 (60.98%) CSS
3 23 (56.10%) HTML5
4 18 (43.90%) CSS3
5 11 (26.83%) React
5 11 (26.83%) RESTful
5 11 (26.83%) Web Services
6 10 (24.39%) jQuery
6 10 (24.39%) Node.js
7 9 (21.95%) AngularJS
8 7 (17.07%) Redux
9 6 (14.63%) REST
10 5 (12.20%) SOAP
11 4 (9.76%) LESS
11 4 (9.76%) Twitter Bootstrap
12 3 (7.32%) Sass
13 2 (4.88%) Ember.js
13 2 (4.88%) Meteor
13 2 (4.88%) React Native
13 2 (4.88%) Zurb Foundation
Miscellaneous
1 4 (9.76%) Analytical Skills
1 4 (9.76%) Computer Science
1 4 (9.76%) Management Information System
2 3 (7.32%) User Experience
3 2 (4.88%) iPad
3 2 (4.88%) iPhone
3 2 (4.88%) Linux Command Line
4 1 (2.44%) Digital Media
4 1 (2.44%) Enterprise Software
4 1 (2.44%) Interactive TV
4 1 (2.44%) Over-the-Top Content
4 1 (2.44%) Taxonomies
4 1 (2.44%) Video on Demand
Operating Systems
1 5 (12.20%) Linux
2 2 (4.88%) Apple iOS
2 2 (4.88%) Unix
2 2 (4.88%) Windows
2 2 (4.88%) Windows Server
3 1 (2.44%) Android
Processes & Methodologies
1 23 (56.10%) Agile Software Development
2 12 (29.27%) Continuous Integration
2 12 (29.27%) Front End Development
2 12 (29.27%) TDD
3 11 (26.83%) OO
4 10 (24.39%) BDD
4 10 (24.39%) Continuous Improvement
4 10 (24.39%) Pair Programming
5 8 (19.51%) High Availability
6 7 (17.07%) Continuous Delivery
6 7 (17.07%) User Stories
7 6 (14.63%) MVC
7 6 (14.63%) Service Delivery
7 6 (14.63%) Web Development
8 5 (12.20%) Analytics
8 5 (12.20%) Project Management
8 5 (12.20%) Workflow
9 4 (9.76%) Prototyping
9 4 (9.76%) SDET
9 4 (9.76%) SOA
Programming Languages
1 10 (24.39%) Java
2 4 (9.76%) PHP
2 4 (9.76%) SQL
3 3 (7.32%) Apple Swift
3 3 (7.32%) C#
3 3 (7.32%) Objective-C
3 3 (7.32%) Python
4 2 (4.88%) Go
4 2 (4.88%) PHP 5
4 2 (4.88%) T-SQL
5 1 (2.44%) C
5 1 (2.44%) ES6
5 1 (2.44%) PL/SQL
5 1 (2.44%) PowerShell
5 1 (2.44%) Scala
Qualifications
1 8 (19.51%) Degree
Quality Assurance & Compliance
1 2 (4.88%) WCAG
2 1 (2.44%) QA
System Software
1 2 (4.88%) Docker
Vendors
1 4 (9.76%) SAP
2 3 (7.32%) Apple
3 2 (4.88%) Capita
3 2 (4.88%) Microsoft
3 2 (4.88%) Zend
4 1 (2.44%) Cadence
4 1 (2.44%) JDA
4 1 (2.44%) Oracle