The following table provides summary statistics for permanent job vacancies advertised in Hammersmith 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 28 April 2017 with a comparison to the same period in the previous 2 years.

JavaScript (including ECMAScript)
London / Hammersmith
3 months to
28 Apr 2017
Same period 2016 Same period 2015
Rank 15 9 6
Rank change year-on-year -6 -3  
Permanent jobs citing JavaScript 20 14 25
As % of all permanent IT jobs advertised in Hammersmith 11.56% 15.05% 25.51%
As % of the Programming Languages category 22.47% 26.92% 51.02%
Number of salaries quoted 20 14 14
Median salary £61,250 £60,000 £58,750
Median salary % change year-on-year +2.08% +2.12%  
90% offered a salary of more than £42,500 £47,500 £39,300
10% offered a salary of more than £115,000 £67,500 £60,000
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 Hammersmith with a requirement for programming language skills.

Programming Language Skills
Hammersmith
Permanent job vacancies with a requirement for programming language skills 89 52 49
As % of all permanent IT job vacancies advertised in Hammersmith 51.45% 55.91% 50.00%
Number of salaries quoted 80 45 37
Median salary £60,000 £55,000 £55,000
Median salary % change year-on-year +9.09% -  
90% offered a salary of more than £42,500 £38,400 £36,700
10% offered a salary of more than £85,000 £62,500 £67,500
UK excluding London median salary £41,500 £41,000 £40,000
% change year-on-year +1.21% +2.50%  

JavaScript
Job Vacancy Trend in Hammersmith

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

Job vacancy trend for JavaScript in Hammersmith

JavaScript
Salary Trend in Hammersmith

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

Salary trend for JavaScript in Hammersmith

JavaScript
Salary Histogram in Hammersmith

The salary distribution of IT jobs citing JavaScript in Hammersmith over the 3 months to 28 April 2017.

Salary histogram for JavaScript in Hammersmith

For the 6 months to 28 April 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 Hammersmith region with a requirement for JavaScript.

1 26 (81.25%) HTML
2 25 (78.13%) CSS
3 18 (56.25%) Agile Software Development
3 18 (56.25%) HTML5
4 17 (53.13%) TDD
5 15 (46.88%) MySQL
5 15 (46.88%) CSS3
6 13 (40.63%) PHP
7 12 (37.50%) SQL
7 12 (37.50%) Node.js
7 12 (37.50%) BDD
8 11 (34.38%) Domain-Driven Design
8 11 (34.38%) Web Development
8 11 (34.38%) MVC
8 11 (34.38%) AngularJS
8 11 (34.38%) Mentoring
9 10 (31.25%) .NET
10 9 (28.13%) JSON
11 8 (25.00%) Multithreading
11 8 (25.00%) REST
11 8 (25.00%) Scrum
11 8 (25.00%) Jasmine
12 7 (21.88%) API Development
12 7 (21.88%) CMS
12 7 (21.88%) C#
12 7 (21.88%) OOP
12 7 (21.88%) SOA
12 7 (21.88%) RESTful
12 7 (21.88%) PHPUnit
12 7 (21.88%) jQuery

JavaScript
Co-occurring IT Skills in Hammersmith 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 7 (21.88%) CMS
2 5 (15.63%) IIS
2 5 (15.63%) Umbraco
2 5 (15.63%) WebSphere
3 2 (6.25%) Apache
3 2 (6.25%) WordPress
4 1 (3.13%) Apache Solr
4 1 (3.13%) nginx
Cloud Services
1 4 (12.50%) Amazon AWS
2 3 (9.38%) SaaS
3 2 (6.25%) Google App Engine
3 2 (6.25%) Google Cloud Platform
4 1 (3.13%) Google Analytics
Communications & Networking
1 2 (6.25%) SSL
1 2 (6.25%) VPN
Database & Business Intelligence
1 15 (46.88%) MySQL
2 5 (15.63%) Relational Database
2 5 (15.63%) SQL Server Integration Services
3 4 (12.50%) Big Data
3 4 (12.50%) NoSQL
4 3 (9.38%) MongoDB
5 2 (6.25%) SQL Server
Development Applications
1 8 (25.00%) Jasmine
2 7 (21.88%) PHPUnit
3 6 (18.75%) Grunt
3 6 (18.75%) gulp
4 5 (15.63%) Git (software)
5 2 (6.25%) Team Foundation Server
5 2 (6.25%) Visual Studio Team System
5 2 (6.25%) Wing IDE
6 1 (3.13%) Bower
6 1 (3.13%) Fiddler
6 1 (3.13%) FindBugs
6 1 (3.13%) Firebug
6 1 (3.13%) JUnit
6 1 (3.13%) Maven
6 1 (3.13%) PostCSS
6 1 (3.13%) Vagrant
General
1 4 (12.50%) Finance
2 1 (3.13%) Back Office
2 1 (3.13%) Pharmaceutical
Job Titles
1 31 (96.88%) Developer
2 7 (21.88%) Front End Developer (Client-Side Developer)
2 7 (21.88%) JavaScript Developer
2 7 (21.88%) PHP Developer
3 6 (18.75%) Senior Developer
4 5 (15.63%) C# Developer
4 5 (15.63%) Lead Developer
5 4 (12.50%) Front End Web Developer (Client-Side Developer)
5 4 (12.50%) Web Developer
6 3 (9.38%) Angular Developer
6 3 (9.38%) Architect
6 3 (9.38%) C# WCF Developer
6 3 (9.38%) HTML CSS Developer
6 3 (9.38%) HTML Developer
6 3 (9.38%) Senior C# Developer
6 3 (9.38%) UI Developer
6 3 (9.38%) WCF Developer
7 2 (6.25%) Lead Solutions Architect
7 2 (6.25%) Senior JavaScript Developer
7 2 (6.25%) Solutions Architect
Libraries, Frameworks & Software Standards
1 26 (81.25%) HTML
2 25 (78.13%) CSS
3 18 (56.25%) HTML5
4 15 (46.88%) CSS3
5 12 (37.50%) Node.js
6 11 (34.38%) AngularJS
7 10 (31.25%) .NET
8 9 (28.13%) JSON
9 8 (25.00%) REST
10 7 (21.88%) jQuery
10 7 (21.88%) RESTful
11 6 (18.75%) React
12 5 (15.63%) .NET Core
12 5 (15.63%) .NET Framework
12 5 (15.63%) ASP.NET Core
12 5 (15.63%) ASP.NET MVC
12 5 (15.63%) ASP.NET MVC 5
12 5 (15.63%) ASP.NET Web API
12 5 (15.63%) Entity Framework
12 5 (15.63%) WCF
Miscellaneous
1 6 (18.75%) User Experience
2 5 (15.63%) Clustering
3 4 (12.50%) Smartphone
3 4 (12.50%) Social Media
4 2 (6.25%) Graphic Design
5 1 (3.13%) Analytical Skills
5 1 (3.13%) Computer Science
5 1 (3.13%) Enterprise Software
5 1 (3.13%) Mainframe
5 1 (3.13%) Photography
5 1 (3.13%) Virtual Team
Operating Systems
1 4 (12.50%) Linux
2 1 (3.13%) Windows
Processes & Methodologies
1 18 (56.25%) Agile Software Development
2 17 (53.13%) TDD
3 12 (37.50%) BDD
4 11 (34.38%) Domain-Driven Design
4 11 (34.38%) Mentoring
4 11 (34.38%) MVC
4 11 (34.38%) Web Development
5 8 (25.00%) Multithreading
5 8 (25.00%) Scrum
6 7 (21.88%) API Development
6 7 (21.88%) OOP
6 7 (21.88%) SOA
7 6 (18.75%) Dependency Injection
7 6 (18.75%) Mobile First
7 6 (18.75%) OO
8 5 (15.63%) E-Commerce
8 5 (15.63%) Front End Development
9 4 (12.50%) DOM Manipulation/Scripting
9 4 (12.50%) Microservices
9 4 (12.50%) Progressive Enhancement
Programming Languages
1 13 (40.63%) PHP
2 12 (37.50%) SQL
3 7 (21.88%) C#
4 4 (12.50%) ECMAScript
4 4 (12.50%) ES6
4 4 (12.50%) Python
5 3 (9.38%) Java
6 1 (3.13%) Bash Shell
6 1 (3.13%) C
6 1 (3.13%) C++
6 1 (3.13%) Scala
Qualifications
1 1 (3.13%) Degree
Quality Assurance & Compliance
1 1 (3.13%) Data Quality
1 1 (3.13%) QA
System Software
1 4 (12.50%) Docker
Systems Management
1 2 (6.25%) Kubernetes
2 1 (3.13%) Grafana
2 1 (3.13%) Kibana
2 1 (3.13%) logstash
2 1 (3.13%) Puppet
2 1 (3.13%) StatsD
Vendors
1 5 (15.63%) Facebook
1 5 (15.63%) Google
1 5 (15.63%) IBM
2 2 (6.25%) Oracle
2 2 (6.25%) PayPal
3 1 (3.13%) DoubleClick
3 1 (3.13%) Microsoft
3 1 (3.13%) New Relic
3 1 (3.13%) Salesforce.com