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

JavaScript (including ECMAScript)
London / Twickenham
3 months to
29 Mar 2017
Same period 2016 Same period 2015
Rank 15 8 4
Rank change year-on-year -7 -4  
Permanent jobs citing JavaScript 3 11 19
As % of all permanent IT jobs advertised in Twickenham 5.56% 14.67% 27.94%
As % of the Programming Languages category 12.50% 22.45% 41.30%
Number of salaries quoted 2 11 15
Median salary £60,000 £40,000 £48,500
Median salary % change year-on-year +50.00% -17.52%  
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 Twickenham with a requirement for programming language skills.

Programming Language Skills
Twickenham
Permanent job vacancies with a requirement for programming language skills 24 49 46
As % of all permanent IT job vacancies advertised in Twickenham 44.44% 65.33% 67.65%
Number of salaries quoted 23 49 39
Median salary £50,000 £40,000 £48,500
Median salary % change year-on-year +25.00% -17.52%  
90% offered a salary of more than £32,500 £32,359 £37,500
10% offered a salary of more than £57,000 £65,000 £64,250
UK excluding London median salary £41,000 £41,000 £40,000
% change year-on-year - +2.50%  

JavaScript
Job Vacancy Trend in Twickenham

The job posting trend of jobs advertised in Twickenham 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 Twickenham

JavaScript
Salary Trend in Twickenham

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

Salary trend for JavaScript in Twickenham

For the 6 months to 29 March 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 Twickenham region with a requirement for JavaScript.

1 12 (92.31%) CSS
2 11 (84.62%) HTML
3 9 (69.23%) Agile Software Development
4 8 (61.54%) MVC
4 8 (61.54%) Scrum
4 8 (61.54%) Java
5 7 (53.85%) MySQL
6 6 (46.15%) Oracle
6 6 (46.15%) Web Services
6 6 (46.15%) Spring
6 6 (46.15%) Mule
6 6 (46.15%) Mule ESB
7 5 (38.46%) jQuery
7 5 (38.46%) Java EE
8 4 (30.77%) Git (software)
9 3 (23.08%) PHP
9 3 (23.08%) Sass
9 3 (23.08%) Computer Science
9 3 (23.08%) AngularJS
10 2 (15.38%) Front End Development
10 2 (15.38%) ASP.NET Web API
10 2 (15.38%) Drupal
10 2 (15.38%) Data Protection
10 2 (15.38%) LESS
10 2 (15.38%) ASP.NET MVC
10 2 (15.38%) CSS3
10 2 (15.38%) HTML5
10 2 (15.38%) BDD
10 2 (15.38%) SQL Server
10 2 (15.38%) ASP.NET

JavaScript
Co-occurring IT Skills in Twickenham 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 6 (46.15%) Mule
1 6 (46.15%) Mule ESB
2 2 (15.38%) CMS
2 2 (15.38%) Drupal
Cloud Services
1 1 (7.69%) Amazon AWS
1 1 (7.69%) GitHub
1 1 (7.69%) SaaS
Database & Business Intelligence
1 7 (53.85%) MySQL
2 2 (15.38%) SQL Server
3 1 (7.69%) NoSQL
3 1 (7.69%) SQL Server 2016
Development Applications
1 4 (30.77%) Git (software)
2 2 (15.38%) Subversion
3 1 (7.69%) gulp
General
1 1 (7.69%) Games
1 1 (7.69%) Music Industry
Job Titles
1 12 (92.31%) Developer
2 6 (46.15%) Java Developer
3 4 (30.77%) Senior Developer
3 4 (30.77%) Senior Java Developer
4 3 (23.08%) Junior
5 2 (15.38%) .NET Developer
5 2 (15.38%) Drupal Developer
5 2 (15.38%) Front End Developer (Client-Side Developer)
5 2 (15.38%) Junior Developer
5 2 (15.38%) Junior Front End Developer (Client-Side Developer)
5 2 (15.38%) Web Developer
6 1 (7.69%) Digital Developer
6 1 (7.69%) Junior PHP Programmer
6 1 (7.69%) Junior Programmer
6 1 (7.69%) Junior SQL Programmer
6 1 (7.69%) Lead Developer
6 1 (7.69%) Lead Java Developer
6 1 (7.69%) PHP Programmer
6 1 (7.69%) Programmer
6 1 (7.69%) SQL Programmer
Libraries, Frameworks & Software Standards
1 12 (92.31%) CSS
2 11 (84.62%) HTML
3 6 (46.15%) Spring
3 6 (46.15%) Web Services
4 5 (38.46%) Java EE
4 5 (38.46%) jQuery
5 3 (23.08%) AngularJS
5 3 (23.08%) Sass
6 2 (15.38%) .NET
6 2 (15.38%) ASP.NET
6 2 (15.38%) ASP.NET MVC
6 2 (15.38%) ASP.NET Web API
6 2 (15.38%) CSS3
6 2 (15.38%) HTML5
6 2 (15.38%) LAMP
6 2 (15.38%) LESS
7 1 (7.69%) .NET Framework
7 1 (7.69%) Entity Framework
7 1 (7.69%) RESTful
7 1 (7.69%) Yii
Miscellaneous
1 3 (23.08%) Computer Science
2 1 (7.69%) Digital Media
2 1 (7.69%) e-Learning
2 1 (7.69%) Learning Management System
2 1 (7.69%) SCORM
Processes & Methodologies
1 9 (69.23%) Agile Software Development
2 8 (61.54%) MVC
2 8 (61.54%) Scrum
3 2 (15.38%) BDD
3 2 (15.38%) Data Protection
3 2 (15.38%) Front End Development
3 2 (15.38%) TDD
3 2 (15.38%) Web Development
4 1 (7.69%) Continuous Integration
4 1 (7.69%) High Availability
4 1 (7.69%) Mathematics
4 1 (7.69%) Mobile First
4 1 (7.69%) Performance Improvement
4 1 (7.69%) SOLID
4 1 (7.69%) Unit Testing
4 1 (7.69%) User Acceptance Testing
4 1 (7.69%) User Stories
4 1 (7.69%) Web Application Development
Programming Languages
1 8 (61.54%) Java
2 3 (23.08%) PHP
3 2 (15.38%) C#
4 1 (7.69%) Ruby
4 1 (7.69%) SQL
Qualifications
1 1 (7.69%) Degree
Vendors
1 6 (46.15%) Oracle
Twickenham, Middlesex
Digitech Resourcing Ltd
Salary: From £40,000 to £50,000 per annum
Posted: Yesterday
Twickenham, Middlesex
Dawson & Walsh
Salary: £55000 - £65000 per annum + Bonus + Pension + Benefits
Posted: 2 days ago
Twickenham, Middlesex
Digitech Resourcing Ltd
Salary: From £55,000 to £70,000 per annum + Package
Posted: 5 days ago
Twickenham, London
Prosell Learning
Posted: 7 days ago
Twickenham, Middlesex
Prosell Learning Ltd
Salary: From £30,000 to £35,000 per annum Including OTE.
Posted: 8 days ago