The following table provides summary statistics for permanent job vacancies advertised in Ruislip with a requirement for JavaScript skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited JavaScript over the 3 months to 29 June 2017 with a comparison to the same period in the previous 2 years.

JavaScript (including ECMAScript)
London / Ruislip
3 months to
29 Jun 2017
Same period 2016 Same period 2015
Rank 2 1 1
Rank change year-on-year -1 0  
Permanent jobs citing JavaScript 5 28 4
As % of all permanent IT jobs advertised in Ruislip 55.56% 100.00% 100.00%
As % of the Programming Languages category 71.43% 100.00% 100.00%
Number of salaries quoted 5 28 4
Median salary £55,000 £38,500 £35,000
Median salary % change year-on-year +42.85% +10.00%  
90% offered a salary of more than £46,500 £28,000 £32,500
10% offered a salary of more than £65,000 £47,500 £41,000
UK excluding London median salary £40,000 £40,000 £38,500
% change year-on-year - +3.89%  

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

Programming Language Skills
Ruislip
Permanent job vacancies with a requirement for programming language skills 7 28 4
As % of all permanent IT job vacancies advertised in Ruislip 77.78% 100.00% 100.00%
Number of salaries quoted 19 80 10
Median salary £55,000 £38,500 £35,000
Median salary % change year-on-year +42.85% +10.00%  
90% offered a salary of more than £40,500 £28,000 £32,500
10% offered a salary of more than £65,000 £42,500 £47,500
UK excluding London median salary £42,500 £40,500 £40,000
% change year-on-year +4.93% +1.25%  

JavaScript
Job Vacancy Trend in Ruislip

Job postings citing JavaScript as a percentage of all IT jobs advertised in Ruislip.

Job vacancy trend for JavaScript in Ruislip

JavaScript
Salary Trend in Ruislip

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing JavaScript in Ruislip.

Salary trend for JavaScript in Ruislip

JavaScript
Salary Histogram in Ruislip

The salary distribution of IT jobs citing JavaScript in Ruislip over the 3 months to 29 June 2017.

Salary histogram for JavaScript in Ruislip

For the 6 months to 29 June 2017, IT jobs citing JavaScript also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the Ruislip region with a requirement for JavaScript.

1 13 (100.00%) .NET
1 13 (100.00%) SQL Server
1 13 (100.00%) ASP.NET
1 13 (100.00%) CSS
1 13 (100.00%) E-Commerce
1 13 (100.00%) C#
1 13 (100.00%) HTML
1 13 (100.00%) Scrum
1 13 (100.00%) MVC
1 13 (100.00%) Agile Software Development
1 13 (100.00%) JIRA
1 13 (100.00%) Git (software)
1 13 (100.00%) SQL Server 2012
1 13 (100.00%) GitHub
2 11 (84.62%) Bitbucket
2 11 (84.62%) AngularJS
2 11 (84.62%) Twitter Bootstrap
2 11 (84.62%) OpenStack
2 11 (84.62%) Jasmine
2 11 (84.62%) Big Data
2 11 (84.62%) HTML5
2 11 (84.62%) Node.js
2 11 (84.62%) REST
2 11 (84.62%) CSS3
2 11 (84.62%) KnockoutJS
2 11 (84.62%) jQuery
2 11 (84.62%) Hadoop
2 11 (84.62%) Microsoft Azure
2 11 (84.62%) Amazon AWS
2 11 (84.62%) WCF

JavaScript
Co-occurring IT Skills in Ruislip 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 11 (84.62%) Apache
1 11 (84.62%) IIS
1 11 (84.62%) OpenStack
2 2 (15.38%) Confluence
Cloud Services
1 13 (100.00%) GitHub
2 11 (84.62%) Amazon AWS
2 11 (84.62%) Microsoft Azure
3 3 (23.08%) Sage Pay
Communications & Networking
1 3 (23.08%) HTTPS
1 3 (23.08%) SSL
2 2 (15.38%) Network Security
Database & Business Intelligence
1 13 (100.00%) SQL Server
1 13 (100.00%) SQL Server 2012
2 11 (84.62%) Big Data
2 11 (84.62%) Hadoop
2 11 (84.62%) SQL Server Reporting Services
3 2 (15.38%) Relational Database
Development Applications
1 13 (100.00%) Git (software)
1 13 (100.00%) JIRA
2 11 (84.62%) Bitbucket
2 11 (84.62%) Jasmine
3 2 (15.38%) NUnit
3 2 (15.38%) Team Foundation Server
3 2 (15.38%) Visual Studio
General
1 2 (15.38%) Finance
Job Titles
1 11 (84.62%) .NET Developer
1 11 (84.62%) Developer
2 5 (38.46%) Full Stack Developer
3 4 (30.77%) Senior .NET Developer
3 4 (30.77%) Senior Developer
4 2 (15.38%) Scrum Master
4 2 (15.38%) Software Team Leader
4 2 (15.38%) Team Leader
Libraries, Frameworks & Software Standards
1 13 (100.00%) .NET
1 13 (100.00%) ASP.NET
1 13 (100.00%) CSS
1 13 (100.00%) HTML
2 11 (84.62%) Ajax
2 11 (84.62%) AngularJS
2 11 (84.62%) CSS3
2 11 (84.62%) HTML5
2 11 (84.62%) jQuery
2 11 (84.62%) KnockoutJS
2 11 (84.62%) Node.js
2 11 (84.62%) REST
2 11 (84.62%) Twitter Bootstrap
2 11 (84.62%) WCF
2 11 (84.62%) Web Services
3 5 (38.46%) ASP.NET MVC
4 3 (23.08%) JSON
5 2 (15.38%) .NET Framework
5 2 (15.38%) ADO.NET
5 2 (15.38%) ASP.NET Web Forms
Miscellaneous
1 3 (23.08%) User Experience
Operating Systems
1 6 (46.15%) Android
1 6 (46.15%) Apple iOS
Processes & Methodologies
1 13 (100.00%) Agile Software Development
1 13 (100.00%) E-Commerce
1 13 (100.00%) MVC
1 13 (100.00%) Scrum
2 11 (84.62%) B2B
2 11 (84.62%) B2C
2 11 (84.62%) OO
2 11 (84.62%) TDD
3 6 (46.15%) Unit Testing
4 5 (38.46%) Web Development
5 2 (15.38%) Continuous Delivery
5 2 (15.38%) Continuous Integration
5 2 (15.38%) Line Management
5 2 (15.38%) Machine Learning
Programming Languages
1 13 (100.00%) C#
2 11 (84.62%) Objective-C
3 4 (30.77%) SQL
Systems Management
1 2 (15.38%) Graphite
Vendors
1 3 (23.08%) PayPal
1 3 (23.08%) Sage
2 2 (15.38%) Rackspace