Period
to 23 October 2018

The median contractor rate for a JavaScript Developer was £450 per day in advertised job vacancies in Hounslow during the 6 months to 23 October 2018.

The first table below provides contractor rate benchmarking and summary statistics including a comparison to 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 Developer
West London > Hounslow
6 months to
23 Oct 2018
Same period 2017 Same period 2016
Rank 41 26 27
Rank change year-on-year -15 +1 +6
Contract jobs requiring a JavaScript Developer 6 11 6
As % of all contract IT jobs advertised in Hounslow 1.51% 4.26% 2.03%
As % of the Job Titles category 1.63% 4.55% 2.17%
Number of daily rates quoted 1 5 4
Hounslow median daily rate £450 £475 £419
Median daily rate % change year-on-year -5.26% +13.43% +17.13%
10th Percentile £425 £265 £223
90th Percentile £475 £518 £438
West London median daily rate £513 £450 £425
% change year-on-year +13.89% +5.88% +21.43%
Number of hourly rates quoted 0 0 0
Hounslow median hourly rate - - -
West London median hourly rate - - -

The following table is for comparison with the above and includes summary statistics for all contract IT job vacancies advertised in Hounslow. Most job vacancies include a discernible job title that can be normalized. As such, the figures in the second row provide an indication of the number of contract jobs in our overall sample.

All Contract IT Job Vacancies
Hounslow
Contract vacancies in Hounslow with a recognized job title 369 242 277
% of contract IT jobs with a recognized job title 92.95% 93.80% 93.90%
Number of daily rates quoted 232 138 174
Hounslow median daily rate £475 £450 £435
Median daily rate % change year-on-year +5.56% +3.45% +8.75%
10th Percentile £246 £228 £228
90th Percentile £625 £577 £572
West London median daily rate £450 £450 £405
% change year-on-year - +11.04% +3.91%
Number of hourly rates quoted 21 11 19
Hounslow median hourly rate £15.80 £13.48 £18.50
Median hourly rate % change year-on-year +17.25% -27.16% +2.78%
10th Percentile £10.50 £12.00 £10.50
90th Percentile £115.00 £26.00 £51.50
West London median hourly rate £16.68 £21.41 £18.00
% change year-on-year -22.09% +18.94% -2.70%

JavaScript Developer
Job Vacancy Trend in Hounslow

Job postings that featured JavaScript Developer in the job title as a percentage of all IT jobs advertised in Hounslow.

Job vacancy trend for JavaScript Developer in Hounslow

JavaScript Developer
Contractor Daily Rate Trend in Hounslow

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

Contractor daily rate trend for JavaScript Developer in Hounslow

JavaScript Developer
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 Developer within the Hounslow region over the 6 months to 23 October 2018. 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
Chiswick - 3 £450 -
Isleworth +6 2 - -
Osterley +6 2 - -
JavaScript Developer
West London

JavaScript Developer Skill Set
Top 30 Co-occurring IT Skills in Hounslow

For the 6 months to 23 October 2018, JavaScript Developer contract jobs required the following IT skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the Hounslow region featuring JavaScript Developer in the job title.

1 6 (100.00%) JavaScript
2 5 (83.33%) CSS
2 5 (83.33%) Node.js
3 4 (66.67%) Agile Software Development
3 4 (66.67%) TDD
3 4 (66.67%) Software Engineering
4 3 (50.00%) HTML
4 3 (50.00%) React
4 3 (50.00%) Continuous Improvement
4 3 (50.00%) Git (software)
4 3 (50.00%) Test Automation
4 3 (50.00%) Continuous Integration
4 3 (50.00%) WebDriver
4 3 (50.00%) Video on Demand
4 3 (50.00%) Cucumber
4 3 (50.00%) BDD
4 3 (50.00%) Acceptance Criteria
5 2 (33.33%) CircleCI
5 2 (33.33%) Analytical Skills
5 2 (33.33%) Jest
5 2 (33.33%) Internet
5 2 (33.33%) Mocha
5 2 (33.33%) QA
5 2 (33.33%) Games
6 1 (16.67%) Video\Live Streaming
6 1 (16.67%) Scrum
6 1 (16.67%) Pair Programming
6 1 (16.67%) Subversion
6 1 (16.67%) Velocity
6 1 (16.67%) Release Management

JavaScript Developer Skill Set
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 1 (16.67%) Confluence
Cloud Services
1 1 (16.67%) Azure Active Directory
1 1 (16.67%) Microsoft Azure
Communications & Networking
1 2 (33.33%) Internet
2 1 (16.67%) SSL
Database & Business Intelligence
1 1 (16.67%) SQL Server
1 1 (16.67%) SQL Server 2016
Development Applications
1 3 (50.00%) Cucumber
1 3 (50.00%) Git (software)
1 3 (50.00%) WebDriver
2 2 (33.33%) CircleCI
2 2 (33.33%) Mocha
3 1 (16.67%) Jenkins
3 1 (16.67%) JIRA
3 1 (16.67%) Subversion
3 1 (16.67%) Visual Studio
General
1 2 (33.33%) Games
Libraries, Frameworks & Software Standards
1 5 (83.33%) CSS
1 5 (83.33%) Node.js
2 3 (50.00%) HTML
2 3 (50.00%) React
3 2 (33.33%) Jest
4 1 (16.67%) .NET
4 1 (16.67%) AngularJS
4 1 (16.67%) ASP.NET
4 1 (16.67%) ASP.NET MVC
4 1 (16.67%) CSS3
4 1 (16.67%) Gherkin
4 1 (16.67%) JSON
4 1 (16.67%) LESS
4 1 (16.67%) OAuth2
4 1 (16.67%) OpenID
4 1 (16.67%) REST
4 1 (16.67%) Sass
4 1 (16.67%) Velocity
4 1 (16.67%) Web Services
4 1 (16.67%) XML
Miscellaneous
1 3 (50.00%) Video on Demand
2 2 (33.33%) Analytical Skills
3 1 (16.67%) Greenfield Project
3 1 (16.67%) Video\Live Streaming
Operating Systems
1 1 (16.67%) Windows
Processes & Methodologies
1 4 (66.67%) Agile Software Development
1 4 (66.67%) Software Engineering
1 4 (66.67%) TDD
2 3 (50.00%) Acceptance Criteria
2 3 (50.00%) BDD
2 3 (50.00%) Continuous Improvement
2 3 (50.00%) Continuous Integration
2 3 (50.00%) Test Automation
3 1 (16.67%) ATDD
3 1 (16.67%) Exploratory Testing
3 1 (16.67%) Functional Testing
3 1 (16.67%) High Availability
3 1 (16.67%) Kanban
3 1 (16.67%) MVC
3 1 (16.67%) Open Source
3 1 (16.67%) Pair Programming
3 1 (16.67%) Release Management
3 1 (16.67%) Responsive Web Design
3 1 (16.67%) Scrum-ban
3 1 (16.67%) User Stories
Programming Languages
1 6 (100.00%) JavaScript
2 1 (16.67%) C#
2 1 (16.67%) SQL
Qualifications
1 1 (16.67%) Degree
Quality Assurance & Compliance
1 2 (33.33%) QA
System Software
1 1 (16.67%) Active Directory
Systems Management
1 1 (16.67%) Single Sign-On