The following table provides summary statistics for contract job vacancies advertised in St Albans with a requirement for JavaScript skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited JavaScript over the 3 months to 24 June 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)
Hertfordshire / St Albans
3 months to
24 Jun 2017
Same period 2016 Same period 2015
Rank 2 5 7
Rank change year-on-year +3 +2  
Contract jobs citing JavaScript 1 4 3
As % of all contract IT jobs advertised in St Albans 25.00% 13.79% 12.00%
As % of the Programming Languages category 50.00% 50.00% 42.86%
Number of daily rates quoted 1 2 0
Median daily rate £300 £350 -
Median daily rate % change year-on-year -14.28% -  
UK excluding London median daily rate £375 £363 £340
% change year-on-year +3.44% +6.61%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £43.39 £37.50 £39.78
% change year-on-year +15.70% -5.71%  

JavaScript is in the programming language skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in St Albans with a requirement for programming language skills.

Contract Programming Language Skills
St Albans
Contract job vacancies with a requirement for programming language skills 2 8 7
As % of all contract IT job vacancies advertised in St Albans 50.00% 27.59% 28.00%
Number of daily rates quoted 1 3 2
Median daily rate £300 £350 £450
Median daily rate % change year-on-year -14.28% -22.22%  
UK excluding London median daily rate £400 £375 £350
% change year-on-year +6.66% +7.14%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £42.50 £37.50 £36.50
% change year-on-year +13.33% +2.73%  

JavaScript
Job Vacancy Trend in St Albans

The job posting trend of jobs advertised in St Albans citing JavaScript as a proportion of all contract or permanent IT jobs with a match in the Programming Languages category.

Job vacancy trend for JavaScript in St Albans

JavaScript
Contractor Daily Rate Trend in St Albans

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

Contractor daily rate trend for JavaScript in St Albans

For the 6 months to 24 June 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 St Albans region with a requirement for JavaScript.

1 4 (80.00%) Objective-C
1 4 (80.00%) C#
1 4 (80.00%) Java
1 4 (80.00%) XML
1 4 (80.00%) VoIP
1 4 (80.00%) Wireshark
1 4 (80.00%) Android
1 4 (80.00%) Apple iOS
1 4 (80.00%) iOS SDK
1 4 (80.00%) Android SDK
1 4 (80.00%) Android Development
1 4 (80.00%) iOS Development
1 4 (80.00%) Performance Tuning
1 4 (80.00%) RESTful
1 4 (80.00%) Wireframes
2 2 (40.00%) Apple
2 2 (40.00%) Xcode
3 1 (20.00%) Retail
3 1 (20.00%) E-Commerce
3 1 (20.00%) CSS
3 1 (20.00%) HTML
3 1 (20.00%) HTML5
3 1 (20.00%) User Experience
3 1 (20.00%) Front End Development
3 1 (20.00%) CSS3
3 1 (20.00%) Twitter Bootstrap
3 1 (20.00%) jQuery

JavaScript
Co-occurring IT Skills in St Albans 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:

Communications & Networking
1 4 (80.00%) VoIP
1 4 (80.00%) Wireshark
Development Applications
1 2 (40.00%) Xcode
General
1 1 (20.00%) Retail
Job Titles
1 5 (100.00%) Developer
2 4 (80.00%) Android Developer
2 4 (80.00%) C# Developer
2 4 (80.00%) C# Software Developer
2 4 (80.00%) iOS Android Developer
2 4 (80.00%) iOS Developer
2 4 (80.00%) Software Developer
3 2 (40.00%) Java Android Developer
3 2 (40.00%) Java Developer
3 2 (40.00%) Java Software Developer
3 2 (40.00%) Objective-C Developer
4 1 (20.00%) Front End Developer (Client-Side Developer)
Libraries, Frameworks & Software Standards
1 4 (80.00%) Android SDK
1 4 (80.00%) iOS SDK
1 4 (80.00%) RESTful
1 4 (80.00%) XML
2 1 (20.00%) CSS
2 1 (20.00%) CSS3
2 1 (20.00%) HTML
2 1 (20.00%) HTML5
2 1 (20.00%) jQuery
2 1 (20.00%) Twitter Bootstrap
Miscellaneous
1 1 (20.00%) User Experience
Operating Systems
1 4 (80.00%) Android
1 4 (80.00%) Apple iOS
Processes & Methodologies
1 4 (80.00%) Android Development
1 4 (80.00%) iOS Development
1 4 (80.00%) Performance Tuning
1 4 (80.00%) Wireframes
2 1 (20.00%) E-Commerce
2 1 (20.00%) Front End Development
Programming Languages
1 4 (80.00%) C#
1 4 (80.00%) Java
1 4 (80.00%) Objective-C
Vendors
1 2 (40.00%) Apple