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

JavaScript (including ECMAScript)
South East / Middlesex
3 months to
28 Jun 2017
Same period 2016 Same period 2015
Rank 13 11 7
Rank change year-on-year -2 -4  
Permanent jobs citing JavaScript 15 25 37
As % of all permanent IT jobs advertised in Middlesex 14.02% 19.69% 12.63%
As % of the Programming Languages category 40.54% 40.98% 35.92%
Number of salaries quoted 2 25 25
Median salary £61,250 £40,000 £40,000
Median salary % change year-on-year +53.12% -  
90% offered a salary of more than £47,625 £36,250 £33,750
10% offered a salary of more than £79,875 £57,500 £55,000
UK excluding London median salary £40,000 £40,000 £38,625
% change year-on-year - +3.55%  

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 Middlesex with a requirement for programming language skills.

Programming Language Skills
Middlesex
Permanent job vacancies with a requirement for programming language skills 37 61 103
As % of all permanent IT job vacancies advertised in Middlesex 34.58% 48.03% 35.15%
Number of salaries quoted 31 116 137
Median salary £65,000 £40,000 £43,000
Median salary % change year-on-year +62.50% -6.97%  
90% offered a salary of more than £31,250 £33,750 £33,750
10% offered a salary of more than £69,000 £75,000 £57,500
UK excluding London median salary £42,500 £40,500 £40,000
% change year-on-year +4.93% +1.25%  

JavaScript
Job Vacancy Trend in Middlesex

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

Job vacancy trend for JavaScript in Middlesex

JavaScript
Salary Trend in Middlesex

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

Salary trend for JavaScript in Middlesex

JavaScript
Salary Histogram in Middlesex

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

Salary histogram for JavaScript in Middlesex

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

1 24 (82.76%) Agile Software Development
2 20 (68.97%) Continuous Integration
3 19 (65.52%) C#
3 19 (65.52%) .NET
4 18 (62.07%) HTML
4 18 (62.07%) CSS
4 18 (62.07%) AngularJS
5 15 (51.72%) Git (software)
5 15 (51.72%) Web Services
5 15 (51.72%) ASP.NET
6 14 (48.28%) User Experience
7 12 (41.38%) SDLC
7 12 (41.38%) KnockoutJS
7 12 (41.38%) Test Automation
7 12 (41.38%) Multithreading
7 12 (41.38%) Integration Testing
7 12 (41.38%) .NET Framework
7 12 (41.38%) Degree
7 12 (41.38%) Computer Science
7 12 (41.38%) TDD
7 12 (41.38%) Subversion
7 12 (41.38%) Marketing
7 12 (41.38%) SQL Server
7 12 (41.38%) Master's Degree
7 12 (41.38%) Computer Science Degree
8 10 (34.48%) Microsoft
8 10 (34.48%) QA
9 9 (31.03%) BDD
9 9 (31.03%) OO
10 8 (27.59%) Intel

JavaScript
Co-occurring IT Skills in Middlesex 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 1 (3.45%) SharePoint
1 1 (3.45%) SharePoint 2013
Applications
1 2 (6.90%) Photoshop
Cloud Services
1 8 (27.59%) Amazon AWS
2 2 (6.90%) Adobe Analytics
2 2 (6.90%) Google Analytics
3 1 (3.45%) Office 365
Communications & Networking
1 1 (3.45%) Ethernet
1 1 (3.45%) Wi-Fi
Database & Business Intelligence
1 12 (41.38%) SQL Server
2 8 (27.59%) Relational Database
3 2 (6.90%) SQL Server 2008
4 1 (3.45%) RDBMS
Development Applications
1 15 (51.72%) Git (software)
2 12 (41.38%) Subversion
3 8 (27.59%) Octopus Deploy
3 8 (27.59%) TeamCity
4 2 (6.90%) Axure RP
5 1 (3.45%) Cucumber
5 1 (3.45%) Jasmine
5 1 (3.45%) Mocha
5 1 (3.45%) Team Foundation Server
5 1 (3.45%) Visual Studio
General
1 12 (41.38%) Marketing
2 1 (3.45%) Advertising
Job Titles
1 25 (86.21%) Developer
2 11 (37.93%) C# Developer
3 9 (31.03%) .NET Developer
3 9 (31.03%) C# .NET Developer
4 6 (20.69%) Front End Developer (Client-Side Developer)
5 4 (13.79%) Principal .NET Developer
5 4 (13.79%) Principal Developer
6 3 (10.34%) C# Software Developer
6 3 (10.34%) Software Developer
7 2 (6.90%) .NET Team Leader
7 2 (6.90%) Designer
7 2 (6.90%) Lead .NET Developer
7 2 (6.90%) Lead Developer
7 2 (6.90%) Senior .NET Developer
7 2 (6.90%) Senior C# .NET Developer
7 2 (6.90%) Senior C# Developer
7 2 (6.90%) Senior Developer
7 2 (6.90%) Team Leader
7 2 (6.90%) UX Designer
8 1 (3.45%) Java Developer
Libraries, Frameworks & Software Standards
1 19 (65.52%) .NET
2 18 (62.07%) AngularJS
2 18 (62.07%) CSS
2 18 (62.07%) HTML
3 15 (51.72%) ASP.NET
3 15 (51.72%) Web Services
4 12 (41.38%) .NET Framework
4 12 (41.38%) KnockoutJS
5 8 (27.59%) ASP.NET Web API
6 7 (24.14%) Node.js
7 6 (20.69%) React
7 6 (20.69%) Vue.js
8 4 (13.79%) jQuery
9 2 (6.90%) CSS3
9 2 (6.90%) HTML5
9 2 (6.90%) WCF
9 2 (6.90%) WPF
10 1 (3.45%) Entity Framework
10 1 (3.45%) Express
10 1 (3.45%) LINQ
Miscellaneous
1 14 (48.28%) User Experience
2 12 (41.38%) Computer Science
3 1 (3.45%) Client/Server
3 1 (3.45%) N-Tier
Operating Systems
1 1 (3.45%) Windows
Processes & Methodologies
1 24 (82.76%) Agile Software Development
2 20 (68.97%) Continuous Integration
3 12 (41.38%) Integration Testing
3 12 (41.38%) Multithreading
3 12 (41.38%) SDLC
3 12 (41.38%) TDD
3 12 (41.38%) Test Automation
4 9 (31.03%) BDD
4 9 (31.03%) OO
5 8 (27.59%) Continuous Deployment
5 8 (27.59%) DevOps
5 8 (27.59%) Machine Learning
5 8 (27.59%) Predictive Analysis
6 7 (24.14%) OOP
7 6 (20.69%) Front End Development
8 4 (13.79%) Analytics
8 4 (13.79%) Data Analytics
9 3 (10.34%) Prototyping
10 2 (6.90%) Information Architecture
10 2 (6.90%) Wireframes
Programming Languages
1 19 (65.52%) C#
2 8 (27.59%) Java
3 6 (20.69%) Python
3 6 (20.69%) Ruby
3 6 (20.69%) Scala
4 1 (3.45%) C
4 1 (3.45%) C++
4 1 (3.45%) SQL
Qualifications
1 12 (41.38%) Computer Science Degree
1 12 (41.38%) Degree
1 12 (41.38%) Master's Degree
2 1 (3.45%) MCP
2 1 (3.45%) Microsoft Certification
2 1 (3.45%) PMI Certification
2 1 (3.45%) PMP
Quality Assurance & Compliance
1 10 (34.48%) QA
Systems Management
1 8 (27.59%) Puppet
Vendors
1 10 (34.48%) Microsoft
2 8 (27.59%) Intel
3 2 (6.90%) ClickTale