Period
to 24 November 2017

The following table provides summary statistics for contract job vacancies advertised in Brentford 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 24 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)
Hounslow > Brentford
6 months to
24 Nov 2017
Same period 2016 Same period 2015
Rank 8 14 22
Rank change year-on-year +6 +8 -6
Contract jobs citing JavaScript 10 3 2
As % of all contract IT jobs advertised in Brentford 14.29% 3.41% 1.63%
As % of the Programming Languages category 41.67% 21.43% 6.67%
Number of daily rates quoted 4 2 2
Brentford median daily rate £385 £300 £369
Median daily rate % change year-on-year +28.33% -18.64% -22.37%
10th Percentile £364 £300 £324
90th Percentile £432 £300 £418
Hounslow median daily rate £450 £425 £350
% change year-on-year +5.88% +21.43% -7.28%
Number of hourly rates quoted 0 0 0
Brentford median hourly rate - - -
Hounslow median hourly rate - £55.00 -

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 Brentford with a requirement for coding skills.

All Programming Languages
Brentford
Contract vacancies with a requirement for coding skills 24 14 30
As % of all contract IT jobs advertised in Brentford 34.29% 15.91% 24.39%
Number of daily rates quoted 13 4 25
Brentford median daily rate £385 £350 £425
Median daily rate % change year-on-year +10.00% -17.65% +6.25%
10th Percentile £364 £300 £263
90th Percentile £559 £444 £596
Hounslow median daily rate £525 £425 £400
% change year-on-year +23.53% +6.25% -5.88%
Number of hourly rates quoted 0 0 1
Brentford median hourly rate - - £40.00
Hounslow median hourly rate - £50.00 £26.21
% change year-on-year - +90.77% -24.03%

JavaScript
Job Vacancy Trend in Brentford

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

Job vacancy trend for JavaScript in Brentford

JavaScript
Contractor Daily Rate Trend in Brentford

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

Contractor daily rate trend for JavaScript in Brentford

For the 6 months to 24 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 Brentford region with a requirement for JavaScript.

1 10 (100.00%) HTML
2 8 (80.00%) OO
3 6 (60.00%) CSS
3 6 (60.00%) AngularJS
3 6 (60.00%) Front End Development
4 5 (50.00%) React
4 5 (50.00%) Microsoft Azure
4 5 (50.00%) HTML5
4 5 (50.00%) REST
4 5 (50.00%) SOAP
5 4 (40.00%) SAP
5 4 (40.00%) Project Management
5 4 (40.00%) ERP
5 4 (40.00%) Data Modelling
5 4 (40.00%) SOA
5 4 (40.00%) Degree
5 4 (40.00%) Service Management
5 4 (40.00%) Service Delivery
5 4 (40.00%) Management Information System
5 4 (40.00%) Workflow
5 4 (40.00%) Agile Software Development
5 4 (40.00%) Data Management
5 4 (40.00%) Computer Science
5 4 (40.00%) Spanish Language
5 4 (40.00%) Software Architecture
5 4 (40.00%) Analytics
5 4 (40.00%) Node.js
5 4 (40.00%) Prototyping
6 2 (20.00%) LESS
6 2 (20.00%) WCF

JavaScript
Co-occurring IT Skills in Brentford 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 1 (10.00%) BizTalk Server
1 1 (10.00%) SharePoint
Cloud Services
1 5 (50.00%) Microsoft Azure
2 1 (10.00%) Office 365
Communications & Networking
1 1 (10.00%) Intranet
Database & Business Intelligence
1 1 (10.00%) Relational Database
1 1 (10.00%) SQL Server
Development Applications
1 1 (10.00%) Team Foundation Server
1 1 (10.00%) Visual Studio
1 1 (10.00%) Visual Studio Team System
General
1 4 (40.00%) Spanish Language
Job Titles
1 6 (60.00%) Developer
2 4 (40.00%) Applications Architect
2 4 (40.00%) Architect
2 4 (40.00%) JavaScript Developer
3 3 (30.00%) Senior Developer
3 3 (30.00%) Senior JavaScript Developer
4 1 (10.00%) Angular Developer
4 1 (10.00%) Front End Developer (Client-Side Developer)
4 1 (10.00%) Full Stack Developer
4 1 (10.00%) Node.js Developer
4 1 (10.00%) Office 365 Developer
4 1 (10.00%) SharePoint Developer
Libraries, Frameworks & Software Standards
1 10 (100.00%) HTML
2 6 (60.00%) AngularJS
2 6 (60.00%) CSS
3 5 (50.00%) HTML5
3 5 (50.00%) React
3 5 (50.00%) REST
3 5 (50.00%) SOAP
4 4 (40.00%) Node.js
5 2 (20.00%) jQuery
5 2 (20.00%) LESS
5 2 (20.00%) WCF
6 1 (10.00%) ASP.NET MVC
6 1 (10.00%) ASP.NET Web API
6 1 (10.00%) CSS3
6 1 (10.00%) Ember.js
6 1 (10.00%) Entity Framework
6 1 (10.00%) KnockoutJS
6 1 (10.00%) RabbitMQ
6 1 (10.00%) Sass
6 1 (10.00%) Twitter Bootstrap
Miscellaneous
1 4 (40.00%) Computer Science
1 4 (40.00%) Management Information System
2 1 (10.00%) Digital Media
2 1 (10.00%) Taxonomies
Processes & Methodologies
1 8 (80.00%) OO
2 6 (60.00%) Front End Development
3 4 (40.00%) Agile Software Development
3 4 (40.00%) Analytics
3 4 (40.00%) Data Management
3 4 (40.00%) Data Modelling
3 4 (40.00%) ERP
3 4 (40.00%) Project Management
3 4 (40.00%) Prototyping
3 4 (40.00%) Service Delivery
3 4 (40.00%) Service Management
3 4 (40.00%) SOA
3 4 (40.00%) Software Architecture
3 4 (40.00%) Workflow
4 1 (10.00%) Continuous Integration
4 1 (10.00%) Data Protection
4 1 (10.00%) Performance Tuning
4 1 (10.00%) Responsive Web Design
4 1 (10.00%) Test Automation
4 1 (10.00%) Web Application Development
Programming Languages
1 1 (10.00%) C#
1 1 (10.00%) PowerShell
Qualifications
1 4 (40.00%) Degree
Vendors
1 4 (40.00%) SAP
2 1 (10.00%) Microsoft