The following table provides summary statistics for contract job vacancies advertised in Salford 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 23 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)
Manchester / Salford
3 months to
23 Jun 2017
Same period 2016 Same period 2015
Rank 2 11 3
Rank change year-on-year +9 -8  
Contract jobs citing JavaScript 7 4 6
As % of all contract IT jobs advertised in Salford 29.17% 11.43% 27.27%
As % of the Programming Languages category 41.18% 28.57% 46.15%
Number of daily rates quoted 4 3 5
Median daily rate £419 £370 £385
Median daily rate % change year-on-year +13.17% -3.89%  
90% offered a daily rate of more than £404 £352 £360
10% offered a daily rate of more than £425 £394 £400
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 £40.00
% change year-on-year +15.70% -6.25%  

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 Salford with a requirement for programming language skills.

Contract Programming Language Skills
Salford
Contract job vacancies with a requirement for programming language skills 17 14 13
As % of all contract IT job vacancies advertised in Salford 70.83% 40.00% 59.09%
Number of daily rates quoted 11 10 12
Median daily rate £419 £350 £400
Median daily rate % change year-on-year +19.64% -12.50%  
90% offered a daily rate of more than £368 £220 £360
10% offered a daily rate of more than £425 £400 £430
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 Salford

The job posting trend of jobs advertised in Salford 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 Salford

JavaScript
Contractor Daily Rate Trend in Salford

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

Contractor daily rate trend for JavaScript in Salford

For the 6 months to 23 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 Salford region with a requirement for JavaScript.

1 19 (73.08%) Agile Software Development
2 18 (69.23%) HTML
3 15 (57.69%) TDD
4 12 (46.15%) HTML5
4 12 (46.15%) Node.js
5 8 (30.77%) Twitter Bootstrap
5 8 (30.77%) DevOps
5 8 (30.77%) Software Engineering
5 8 (30.77%) Web Services
6 7 (26.92%) ITIL
6 7 (26.92%) LDAP
6 7 (26.92%) Workflow
6 7 (26.92%) Scrum
6 7 (26.92%) ServiceNow
6 7 (26.92%) AngularJS
6 7 (26.92%) React
6 7 (26.92%) Continuous Delivery
6 7 (26.92%) BDD
6 7 (26.92%) ITIL V3
6 7 (26.92%) ISO/IEC 20000
6 7 (26.92%) Android
7 6 (23.08%) Test Automation
7 6 (23.08%) Apple iOS
7 6 (23.08%) Mobile App
7 6 (23.08%) Games
7 6 (23.08%) Linux
7 6 (23.08%) XML
8 5 (19.23%) CSS
8 5 (19.23%) Apache Cordova
8 5 (19.23%) GStreamer

JavaScript
Co-occurring IT Skills in Salford 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 (11.54%) SharePoint
2 1 (3.85%) Tomcat
Business Applications
1 2 (7.69%) Dynamics CRM
Cloud Services
1 5 (19.23%) Amazon AWS
2 3 (11.54%) GitHub
3 1 (3.85%) Cloud Computing
Communications & Networking
1 7 (26.92%) LDAP
2 1 (3.85%) DNS
2 1 (3.85%) HTTP
Database & Business Intelligence
1 1 (3.85%) Amazon DynamoDB
1 1 (3.85%) Data Mining
Development Applications
1 5 (19.23%) Git (software)
2 4 (15.38%) Jenkins
3 3 (11.54%) Jasmine
3 3 (11.54%) Mocha
3 3 (11.54%) Selenium
4 2 (7.69%) Cucumber
4 2 (7.69%) gulp
4 2 (7.69%) Hudson
4 2 (7.69%) webpack
5 1 (3.85%) Babel
5 1 (3.85%) Grunt
5 1 (3.85%) Maven
5 1 (3.85%) PhantomJS
5 1 (3.85%) Yeoman
General
1 6 (23.08%) Games
2 3 (11.54%) Finance
3 1 (3.85%) Digital Economy
3 1 (3.85%) Marketing
Job Titles
1 15 (57.69%) Developer
2 7 (26.92%) JavaScript Developer
3 5 (19.23%) Node.js Developer
3 5 (19.23%) Software Developer
4 4 (15.38%) Architect
5 3 (11.54%) Lead Architect
5 3 (11.54%) ServiceNow Developer
6 2 (7.69%) Applications Consultant
6 2 (7.69%) Consultant
6 2 (7.69%) CRM Developer
6 2 (7.69%) Linux Developer
6 2 (7.69%) Mobile Developer
6 2 (7.69%) Senior Developer
6 2 (7.69%) Software Engineer
6 2 (7.69%) Technical Leader
7 1 (3.85%) Applications Engineer
7 1 (3.85%) Java Developer
7 1 (3.85%) Mobile Software Engineer
7 1 (3.85%) Senior Java Developer
Libraries, Frameworks & Software Standards
1 18 (69.23%) HTML
2 12 (46.15%) HTML5
2 12 (46.15%) Node.js
3 8 (30.77%) Twitter Bootstrap
3 8 (30.77%) Web Services
4 7 (26.92%) AngularJS
4 7 (26.92%) React
5 6 (23.08%) XML
6 5 (19.23%) Apache Cordova
6 5 (19.23%) CSS
6 5 (19.23%) GStreamer
7 3 (11.54%) .NET
7 3 (11.54%) ASP.NET
7 3 (11.54%) FFmpeg
7 3 (11.54%) JSON
7 3 (11.54%) REST
7 3 (11.54%) Sass
8 2 (7.69%) CSS3
8 2 (7.69%) HTML5 Canvas
8 2 (7.69%) WebGL
Miscellaneous
1 6 (23.08%) Mobile App
2 3 (11.54%) Computer Science
2 3 (11.54%) Web 2.0
3 2 (7.69%) IPTV
3 2 (7.69%) Streaming Video
3 2 (7.69%) User Experience
Operating Systems
1 7 (26.92%) Android
2 6 (23.08%) Apple iOS
2 6 (23.08%) Linux
3 1 (3.85%) Debian
3 1 (3.85%) Unix
3 1 (3.85%) Windows
Processes & Methodologies
1 19 (73.08%) Agile Software Development
2 15 (57.69%) TDD
3 8 (30.77%) DevOps
3 8 (30.77%) Software Engineering
4 7 (26.92%) BDD
4 7 (26.92%) Continuous Delivery
4 7 (26.92%) ITIL
4 7 (26.92%) ITIL V3
4 7 (26.92%) Scrum
4 7 (26.92%) Workflow
5 6 (23.08%) Test Automation
6 4 (15.38%) Kanban
6 4 (15.38%) SDLC
7 3 (11.54%) Identity Management
7 3 (11.54%) Issue Tracking
7 3 (11.54%) ITSM
7 3 (11.54%) PRINCE2
7 3 (11.54%) Release Management
7 3 (11.54%) Supplier Management
7 3 (11.54%) Use Case
Programming Languages
1 3 (11.54%) C#
1 3 (11.54%) ES6
2 2 (7.69%) Java
3 1 (3.85%) Apple Swift
3 1 (3.85%) Bash Shell
3 1 (3.85%) Delphi
3 1 (3.85%) Groovy
3 1 (3.85%) Objective-C
3 1 (3.85%) PHP
3 1 (3.85%) Python
3 1 (3.85%) Ruby
Qualifications
1 3 (11.54%) Computer Science Degree
1 3 (11.54%) Degree
1 3 (11.54%) SC Cleared
1 3 (11.54%) Security Cleared
Quality Assurance & Compliance
1 7 (26.92%) ISO/IEC 20000
2 4 (15.38%) QA
Vendors
1 7 (26.92%) ServiceNow
2 4 (15.38%) Twitter
3 2 (7.69%) Microsoft