The table below looks at the statistics for JavaScript skills in IT contracts advertised for the Croydon region. Included is a guide to the contractor rates offered in IT contracts that have cited JavaScript over the 3 months to 30 May 2016 with a comparison to the same period over the previous 2 years.

Note that daily contractor rates and hourly contractor rates are treated separately. When calculating average contractor rates, daily rates are not derived from quoted hourly rates or vice versa.

3 months to
30 May 2016
Same period 2015 Same period 2014
JavaScript (including ECMAScript)
Rank 7 6 11
Rank change year-on-year
-1 +5
Contract jobs citing JavaScript 38 25 9
As % of all contract IT jobs located in Croydon 15.57% 17.48% 9.47%
As % of the Programming Languages category 35.19% 40.98% 34.62%
Number of daily rates quoted 34 12 9
Median daily rate £400 £381 £300
Median daily rate % change year-on-year
+4.91% +27.08%
UK excluding London median daily rate £360 £350 £325
% change year-on-year
+2.93% +7.61%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £33.50 £37.75 £35.00
% change year-on-year
-11.25% +7.85%
JavaScript
London

The following table is for comparison with the above and provides statistics for the entire Programming Languages category in contract jobs advertised in the Croydon region.

Programming Languages Category
Croydon
Contract IT job ads with a match in the
Programming Languages category
108 61 26
As % of all contract IT jobs located in Croydon 44.26% 42.66% 27.37%
Number of daily rates quoted 82 39 22
Median daily rate £400 £388 £300
Median daily rate % change year-on-year
+3.22% +29.16%
UK excluding London median daily rate £375 £350 £343
% change year-on-year
+7.14% +2.18%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £37.50 £36.50 £36.00
% change year-on-year
+2.73% +1.38%

JavaScript
Jobs Demand Trend in Croydon

The demand trend of contract jobs across the Croydon region citing JavaScript as a proportion of all IT contracts with a match in the Programming Languages category.

JavaScript Jobs Demand Trend in Croydon

JavaScript
Daily Rate Trend in Croydon

This chart provides the 3-month moving average for daily rates quoted in IT contract jobs citing JavaScript across the Croydon region.

JavaScript Daily Rate Trend in Croydon

JavaScript
Daily Rate Histogram in Croydon

This chart provides a histogram of daily rates quoted in contract IT jobs citing JavaScript across the Croydon region over the 3 months to 30 May 2016.

JavaScript Daily Rate Histogram in Croydon

JavaScript
Hourly Rate Trend in Croydon

This chart provides the 3-month moving average for hourly rates quoted in IT contractor jobs citing JavaScript across the Croydon region.

JavaScript Hourly Rate Trend in Croydon

JavaScript
Top 30 Related IT Skills in Croydon

For the 6 months to 30 May 2016, 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 Croydon region with a requirement for JavaScript.

1 50 (75.76%) Agile Software Development
2 37 (56.06%) HTML
3 35 (53.03%) CSS
4 26 (39.39%) AngularJS
5 25 (37.88%) Node.js
6 23 (34.85%) Java
7 20 (30.30%) Web Services
7 20 (30.30%) HTML5
8 18 (27.27%) Git (software)
8 18 (27.27%) REST
8 18 (27.27%) Front End Development
9 16 (24.24%) Security Cleared
9 16 (24.24%) Sass
10 14 (21.21%) Web Development
10 14 (21.21%) TDD
10 14 (21.21%) Scrum
11 12 (18.18%) SC Cleared
11 12 (18.18%) HTTP
11 12 (18.18%) CSS3
12 11 (16.67%) GitHub
12 11 (16.67%) Grunt
12 11 (16.67%) Continuous Integration
13 10 (15.15%) Open Source
13 10 (15.15%) Microsoft Azure
13 10 (15.15%) PostgreSQL
14 9 (13.64%) MVC
14 9 (13.64%) Python
14 9 (13.64%) .NET
14 9 (13.64%) jQuery
15 8 (12.12%) JIRA

JavaScript
Top Related IT Skills in Croydon 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 25 (37.88%) Node.js
2 7 (10.61%) Elasticsearch
3 5 (7.58%) Alfresco
4 3 (4.55%) Confluence
4 3 (4.55%) Tomcat
5 2 (3.03%) Apache
5 2 (3.03%) CMS
6 1 (1.52%) IIS
6 1 (1.52%) JBoss
6 1 (1.52%) WebLogic
6 1 (1.52%) WebSphere
Applications
1 1 (1.52%) GIMP
1 1 (1.52%) Photoshop
Cloud Services
1 11 (16.67%) GitHub
2 10 (15.15%) Microsoft Azure
3 1 (1.52%) Amazon AWS
3 1 (1.52%) SaaS
Communications & Networking
1 12 (18.18%) HTTP
2 8 (12.12%) DNS
2 8 (12.12%) SSL
3 6 (9.09%) Internet
Database & Business Intelligence
1 10 (15.15%) PostgreSQL
2 8 (12.12%) MySQL
3 6 (9.09%) Relational Database
4 4 (6.06%) Neo4j
5 3 (4.55%) MongoDB
6 2 (3.03%) NoSQL
6 2 (3.03%) SQL Server
7 1 (1.52%) DB2
Development Applications
1 18 (27.27%) Git (software)
2 11 (16.67%) Grunt
3 8 (12.12%) JIRA
4 7 (10.61%) JMeter
4 7 (10.61%) JUnit
5 6 (9.09%) Selenium
5 6 (9.09%) SonarQube
6 5 (7.58%) Gerrit
6 5 (7.58%) gulp
7 4 (6.06%) Jenkins
7 4 (6.06%) Maven
7 4 (6.06%) Subversion
8 3 (4.55%) FitNesse
8 3 (4.55%) Gradle
9 2 (3.03%) Toad
10 1 (1.52%) Ant
10 1 (1.52%) Jasmine
10 1 (1.52%) Mercurial
10 1 (1.52%) Mocha
10 1 (1.52%) SoapUI
General
1 8 (12.12%) Local Government
2 4 (6.06%) Telecoms
3 3 (4.55%) Finance
Job Titles
1 56 (84.85%) Developer
2 26 (39.39%) JavaScript Developer
3 17 (25.76%) Front End Developer (Client-Side Developer)
4 10 (15.15%) Angular Developer
4 10 (15.15%) Node.js Developer
5 8 (12.12%) Web Developer
6 7 (10.61%) Java Developer
7 6 (9.09%) Senior Developer
8 5 (7.58%) PHP Developer
9 4 (6.06%) Agile Developer
9 4 (6.06%) Automation Tester
9 4 (6.06%) Front End Web Developer (Client-Side Developer)
9 4 (6.06%) Lead Developer
9 4 (6.06%) Tester
10 3 (4.55%) C# Developer
10 3 (4.55%) Full Stack Developer
10 3 (4.55%) Senior JavaScript Developer
10 3 (4.55%) Technical Leader
11 2 (3.03%) .NET Developer
11 2 (3.03%) PHP Symfony Developer
Libraries, Frameworks & Software Standards
1 37 (56.06%) HTML
2 35 (53.03%) CSS
3 26 (39.39%) AngularJS
4 20 (30.30%) HTML5
4 20 (30.30%) Web Services
5 18 (27.27%) REST
6 16 (24.24%) Sass
7 12 (18.18%) CSS3
8 9 (13.64%) .NET
8 9 (13.64%) jQuery
9 8 (12.12%) React
9 8 (12.12%) RESTful
9 8 (12.12%) Spring
10 7 (10.61%) Ajax
10 7 (10.61%) Express
11 6 (9.09%) Apache Cordova
11 6 (9.09%) Twitter Bootstrap
12 5 (7.58%) Backbone.js
12 5 (7.58%) KnockoutJS
12 5 (7.58%) Symfony
Miscellaneous
1 6 (9.09%) W3C
2 4 (6.06%) User Experience
3 2 (3.03%) Visualisation
Operating Systems
1 4 (6.06%) Linux
2 2 (3.03%) Mac OS X
2 2 (3.03%) Unix
3 1 (1.52%) Solaris
3 1 (1.52%) Windows
Processes & Methodologies
1 50 (75.76%) Agile Software Development
2 18 (27.27%) Front End Development
3 14 (21.21%) Scrum
3 14 (21.21%) TDD
3 14 (21.21%) Web Development
4 11 (16.67%) Continuous Integration
5 10 (15.15%) Open Source
6 9 (13.64%) MVC
7 7 (10.61%) OO
8 6 (9.09%) BDD
8 6 (9.09%) Functional Testing
8 6 (9.09%) Software Engineering
9 4 (6.06%) Performance Testing
9 4 (6.06%) Test Automation
9 4 (6.06%) Unit Testing
10 3 (4.55%) Automated Testing
10 3 (4.55%) Case Management
10 3 (4.55%) Cross-Browser Testing
10 3 (4.55%) Defect Management
10 3 (4.55%) Mentoring
Programming Languages
1 23 (34.85%) Java
2 9 (13.64%) Python
3 8 (12.12%) C#
3 8 (12.12%) Ruby
4 7 (10.61%) PHP
5 6 (9.09%) SQL
6 5 (7.58%) Perl
7 4 (6.06%) Scala
7 4 (6.06%) T-SQL
8 3 (4.55%) C
8 3 (4.55%) Shell Script
8 3 (4.55%) VB
9 2 (3.03%) ES6
9 2 (3.03%) Go
Qualifications
1 16 (24.24%) Security Cleared
2 12 (18.18%) SC Cleared
3 2 (3.03%) BC Cleared
Quality Assurance & Compliance
1 1 (1.52%) Disclosure Scotland
System Software
1 3 (4.55%) Docker
2 1 (1.52%) Active Directory
Systems Management
1 3 (4.55%) Kubernetes
2 1 (1.52%) Oracle Identity Management
Vendors
1 4 (6.06%) Microsoft
2 3 (4.55%) HP
3 2 (3.03%) Twitter
4 1 (1.52%) ForgeRock
4 1 (1.52%) IBM
4 1 (1.52%) Oracle