Period
to 19 November 2017

The following table provides summary statistics for contract job vacancies advertised in Osterley 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 19 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 > Osterley
6 months to
19 Nov 2017
Same period 2016 Same period 2015
Rank 8 - 4
Rank change year-on-year - +4 +3
Contract jobs citing JavaScript 7 0 2
As % of all contract IT jobs advertised in Osterley 19.44% - 28.57%
As % of the Programming Languages category 30.43% - 33.33%
Number of daily rates quoted 7 0 2
Osterley median daily rate £450 - £505
10th Percentile £395 - £456
90th Percentile £488 - £543
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
Osterley 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 Osterley with a requirement for coding skills.

All Programming Languages
Osterley
Contract vacancies with a requirement for coding skills 23 9 6
As % of all contract IT jobs advertised in Osterley 63.89% 64.29% 85.71%
Number of daily rates quoted 20 9 5
Osterley median daily rate £450 £450 £443
Median daily rate % change year-on-year - +1.69% +4.12%
10th Percentile £310 £153 £410
90th Percentile £585 £548 £520
Hounslow median daily rate £525 £433 £400
% change year-on-year +21.39% +8.13% -4.76%
Number of hourly rates quoted 0 0 0
Osterley median hourly rate - - -
Hounslow median hourly rate - £50.00 £26.21
% change year-on-year - +90.77% -24.03%

JavaScript
Job Vacancy Trend in Osterley

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

Job vacancy trend for JavaScript in Osterley

JavaScript
Contractor Daily Rate Trend in Osterley

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

Contractor daily rate trend for JavaScript in Osterley

JavaScript
Contractor Daily Rate Histogram in Osterley

The daily rate distribution of IT jobs citing JavaScript in Osterley over the 6 months to 19 November 2017.

Contractor daily rate histogram for JavaScript in Osterley

For the 6 months to 19 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 Osterley region with a requirement for JavaScript.

1 4 (57.14%) Java
1 4 (57.14%) Selenium
1 4 (57.14%) WebDriver
1 4 (57.14%) Mocha
1 4 (57.14%) Protractor
1 4 (57.14%) SDET
2 3 (42.86%) User Experience
3 2 (28.57%) Apple Swift
3 2 (28.57%) React Native
3 2 (28.57%) RESTful
3 2 (28.57%) iOS Development
3 2 (28.57%) SOLID
3 2 (28.57%) iPad
3 2 (28.57%) Apple iOS
3 2 (28.57%) iPhone
3 2 (28.57%) TDD
3 2 (28.57%) Software Engineering
3 2 (28.57%) OO
3 2 (28.57%) OOD
3 2 (28.57%) Apple
3 2 (28.57%) Scrum
3 2 (28.57%) Cocoa
3 2 (28.57%) Xcode
3 2 (28.57%) Objective-C
4 1 (14.29%) Agile Software Development
4 1 (14.29%) Photoshop
4 1 (14.29%) CSS
4 1 (14.29%) Web Development
4 1 (14.29%) Microsoft PowerPoint
4 1 (14.29%) Interactive TV

JavaScript
Co-occurring IT Skills in Osterley 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:

Applications
1 1 (14.29%) InVision
1 1 (14.29%) Microsoft PowerPoint
1 1 (14.29%) Photoshop
Development Applications
1 4 (57.14%) Mocha
1 4 (57.14%) Protractor
1 4 (57.14%) Selenium
1 4 (57.14%) WebDriver
2 2 (28.57%) Xcode
Job Titles
1 7 (100.00%) Developer
2 4 (57.14%) Developer in Test
2 4 (57.14%) Software Developer
3 2 (28.57%) iOS Developer
3 2 (28.57%) JavaScript Developer
3 2 (28.57%) Objective-C Developer
4 1 (14.29%) Front End Developer (Client-Side Developer)
4 1 (14.29%) HTML CSS Developer
4 1 (14.29%) HTML Developer
Libraries, Frameworks & Software Standards
1 2 (28.57%) Cocoa
1 2 (28.57%) React Native
1 2 (28.57%) RESTful
2 1 (14.29%) CSS
2 1 (14.29%) CSS3
2 1 (14.29%) HTML
2 1 (14.29%) HTML5
Miscellaneous
1 3 (42.86%) User Experience
2 2 (28.57%) iPad
2 2 (28.57%) iPhone
3 1 (14.29%) Interactive TV
Operating Systems
1 2 (28.57%) Apple iOS
Processes & Methodologies
1 4 (57.14%) SDET
2 2 (28.57%) iOS Development
2 2 (28.57%) OO
2 2 (28.57%) OOD
2 2 (28.57%) Scrum
2 2 (28.57%) Software Engineering
2 2 (28.57%) SOLID
2 2 (28.57%) TDD
3 1 (14.29%) Agile Software Development
3 1 (14.29%) Front End Development
3 1 (14.29%) Web Development
Programming Languages
1 4 (57.14%) Java
2 2 (28.57%) Apple Swift
2 2 (28.57%) Objective-C
Vendors
1 2 (28.57%) Apple