Period
to 18 January 2019

The median contractor rate for a JavaScript Developer was £500 per day in advertised job vacancies in Twickenham during the 6 months to 18 January 2019.

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
6 months to
18 Jan 2019
Same period 2018 Same period 2017
Rank 9 - -
Rank change year-on-year - - -
Contract jobs requiring a JavaScript Developer 4 0 0
As % of all contract IT jobs advertised in Twickenham 8.33% - -
As % of the Job Titles category 8.51% - -
Number of daily rates quoted 4 0 0
Twickenham median daily rate £500 - -
Richmond upon Thames median daily rate £500 £450 £375
% change year-on-year +11.11% +20.00% -
Number of hourly rates quoted 0 0 0
Twickenham median hourly rate - - -
Richmond upon Thames median hourly rate - - -

The following table is for comparison with the above and includes summary statistics for all contract IT job vacancies advertised in Twickenham. 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
Twickenham
Contract vacancies in Twickenham with a recognized job title 47 45 36
% of contract IT jobs with a recognized job title 97.92% 95.74% 94.74%
Number of daily rates quoted 37 35 33
Twickenham median daily rate £375 £365 £405
Median daily rate % change year-on-year +2.74% -9.88% +6.23%
10th Percentile £160 £208 £227
90th Percentile £538 £433 £500
Richmond upon Thames median daily rate £475 £394 £400
% change year-on-year +20.63% -1.56% +6.67%
Number of hourly rates quoted 2 4 2
Twickenham median hourly rate £32.00 £13.50 £22.00
Median hourly rate % change year-on-year +137.04% -38.64% -51.11%
10th Percentile £14.80 £11.64 £21.00
90th Percentile £49.60 £17.58 £23.00
Richmond upon Thames median hourly rate £12.75 £16.25 £22.00
% change year-on-year -21.54% -26.14% -51.11%

JavaScript Developer
Job Vacancy Trend in Twickenham

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

Job vacancy trend for JavaScript Developer in Twickenham

JavaScript Developer
Contractor Daily Rate Trend in Twickenham

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

Contractor daily rate trend for JavaScript Developer in Twickenham

JavaScript Developer Skill Set
Top 19 Co-occurring IT Skills in Twickenham

For the 6 months to 18 January 2019, 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 Twickenham region featuring JavaScript Developer in the job title.

1 4 (100.00%) JavaScript
1 4 (100.00%) React
2 3 (75.00%) Agile Software Development
2 3 (75.00%) CSS
2 3 (75.00%) jQuery
2 3 (75.00%) HTML
3 2 (50.00%) HTML5
3 2 (50.00%) Node.js
3 2 (50.00%) CSS3
3 2 (50.00%) Sass
3 2 (50.00%) LESS
3 2 (50.00%) Ember.js
3 2 (50.00%) AngularJS
4 1 (25.00%) ES6
4 1 (25.00%) AWS Lambda
4 1 (25.00%) Serverless
4 1 (25.00%) BDD
4 1 (25.00%) Amazon AWS
4 1 (25.00%) TDD

JavaScript Developer Skill Set
Co-occurring IT Skills in Twickenham 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 (25.00%) Amazon AWS
1 1 (25.00%) AWS Lambda
1 1 (25.00%) Serverless
Libraries, Frameworks & Software Standards
1 4 (100.00%) React
2 3 (75.00%) CSS
2 3 (75.00%) HTML
2 3 (75.00%) jQuery
3 2 (50.00%) AngularJS
3 2 (50.00%) CSS3
3 2 (50.00%) Ember.js
3 2 (50.00%) HTML5
3 2 (50.00%) LESS
3 2 (50.00%) Node.js
3 2 (50.00%) Sass
Processes & Methodologies
1 3 (75.00%) Agile Software Development
2 1 (25.00%) BDD
2 1 (25.00%) TDD
Programming Languages
1 4 (100.00%) JavaScript
2 1 (25.00%) ES6