The following table provides summary statistics for contract job vacancies advertised in Welwyn Garden City 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 22 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 / Welwyn Garden City
3 months to
22 Jun 2017
Same period 2016 Same period 2015
Rank 10 16 23
Rank change year-on-year +6 +7  
Contract jobs citing JavaScript 4 1 1
As % of all contract IT jobs advertised in Welwyn Garden City 7.14% 1.59% 0.78%
As % of the Programming Languages category 16.00% 4.55% 2.44%
Number of daily rates quoted 3 0 0
Median daily rate £475 - -
UK excluding London median daily rate £375 £363 £350
% change year-on-year +3.44% +3.57%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £43.39 £37.50 £35.00
% change year-on-year +15.70% +7.14%  

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 Welwyn Garden City with a requirement for programming language skills.

Contract Programming Language Skills
Welwyn Garden City
Contract job vacancies with a requirement for programming language skills 25 22 41
As % of all contract IT job vacancies advertised in Welwyn Garden City 44.64% 34.92% 31.78%
Number of daily rates quoted 13 11 25
Median daily rate £325 £400 £304
Median daily rate % change year-on-year -18.75% +31.68%  
90% offered a daily rate of more than £225 £303 £273
10% offered a daily rate of more than £570 £440 £370
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 £37.00 £36.00
% change year-on-year +14.86% +2.77%  

JavaScript
Job Vacancy Trend in Welwyn Garden City

The job posting trend of jobs advertised in Welwyn Garden City 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 Welwyn Garden City

JavaScript
Contractor Daily Rate Trend in Welwyn Garden City

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

Contractor daily rate trend for JavaScript in Welwyn Garden City

JavaScript
Contractor Hourly Rate Trend in Welwyn Garden City

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing JavaScript in Welwyn Garden City.

Contractor hourly rate trend for JavaScript in Welwyn Garden City

For the 6 months to 22 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 Welwyn Garden City region with a requirement for JavaScript.

1 5 (100.00%) CSS
1 5 (100.00%) HTML
1 5 (100.00%) Web Design
1 5 (100.00%) HTML5
1 5 (100.00%) Front End Development
2 4 (80.00%) User Experience
2 4 (80.00%) gulp
2 4 (80.00%) Node.js
2 4 (80.00%) CSS3
2 4 (80.00%) Responsive Web Design
2 4 (80.00%) Sass
2 4 (80.00%) Agile Software Development
2 4 (80.00%) Retail
2 4 (80.00%) Web Development
3 3 (60.00%) WAI
3 3 (60.00%) Ajax
3 3 (60.00%) jQuery
3 3 (60.00%) Unit Testing
3 3 (60.00%) TDD
3 3 (60.00%) SEO
3 3 (60.00%) Stakeholder Management
3 3 (60.00%) CMS
3 3 (60.00%) Photoshop
3 3 (60.00%) TeamSite
3 3 (60.00%) W3C
3 3 (60.00%) Project Management
3 3 (60.00%) XML
3 3 (60.00%) XHTML
3 3 (60.00%) AngularJS
3 3 (60.00%) Grunt

JavaScript
Co-occurring IT Skills in Welwyn Garden City 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 3 (60.00%) CMS
1 3 (60.00%) Magnolia
2 1 (20.00%) WordPress
Applications
1 3 (60.00%) Photoshop
Cloud Services
1 1 (20.00%) PaaS
Development Applications
1 4 (80.00%) gulp
2 3 (60.00%) Git (software)
2 3 (60.00%) Grunt
2 3 (60.00%) JIRA
3 1 (20.00%) Visual Composer
General
1 4 (80.00%) Retail
2 1 (20.00%) Back Office
2 1 (20.00%) Interactive Media
2 1 (20.00%) Multimedia
Job Titles
1 5 (100.00%) Developer
1 5 (100.00%) Front End Developer (Client-Side Developer)
2 2 (40.00%) Front End Web Developer (Client-Side Developer)
2 2 (40.00%) Web Developer
3 1 (20.00%) HTML CSS Developer
3 1 (20.00%) HTML Developer
3 1 (20.00%) JavaScript Developer
3 1 (20.00%) Node.js Developer
3 1 (20.00%) Senior Developer
3 1 (20.00%) Senior Front-End Developer
3 1 (20.00%) UI Developer
3 1 (20.00%) Web UI Developer
Libraries, Frameworks & Software Standards
1 5 (100.00%) CSS
1 5 (100.00%) HTML
1 5 (100.00%) HTML5
2 4 (80.00%) CSS3
2 4 (80.00%) Node.js
2 4 (80.00%) Sass
3 3 (60.00%) Ajax
3 3 (60.00%) AngularJS
3 3 (60.00%) jQuery
3 3 (60.00%) JSON
3 3 (60.00%) React
3 3 (60.00%) XHTML
3 3 (60.00%) XML
Miscellaneous
1 4 (80.00%) User Experience
2 3 (60.00%) W3C
3 1 (20.00%) Analytical Skills
3 1 (20.00%) Computer Science
3 1 (20.00%) Digital Media
3 1 (20.00%) iPad
Processes & Methodologies
1 5 (100.00%) Front End Development
1 5 (100.00%) Web Design
2 4 (80.00%) Agile Software Development
2 4 (80.00%) Responsive Web Design
2 4 (80.00%) Web Development
3 3 (60.00%) A/B Testing
3 3 (60.00%) API Development
3 3 (60.00%) BDD
3 3 (60.00%) Project Management
3 3 (60.00%) SEO
3 3 (60.00%) Stakeholder Management
3 3 (60.00%) TDD
3 3 (60.00%) Unit Testing
3 3 (60.00%) Wireframes
4 1 (20.00%) Document Management
4 1 (20.00%) E-Commerce
4 1 (20.00%) Scrum
4 1 (20.00%) Software Engineering
4 1 (20.00%) Time Management
Quality Assurance & Compliance
1 3 (60.00%) WAI
Systems Management
1 3 (60.00%) TeamSite
Vendors
1 1 (20.00%) Xerox