Period
to 19 November 2017

The following table provides summary statistics for permanent job vacancies advertised in Colchester with a requirement for JavaScript skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited JavaScript over the 6 months to 19 November 2017 with a comparison to the same period in the previous 2 years.

JavaScript (including ECMAScript)
Essex > Colchester
6 months to
19 Nov 2017
Same period 2016 Same period 2015
Rank 16 2 2
Rank change year-on-year -14 0 +19
Permanent jobs citing JavaScript 25 91 108
As % of all permanent IT jobs advertised in Colchester 10.46% 25.71% 29.83%
As % of the Programming Languages category 20.33% 51.41% 47.79%
Number of salaries quoted 12 86 109
Colchester median annual salary £35,000 £40,000 £35,000
Median salary % change year-on-year -12.50% +14.29% -30.00%
10th Percentile £21,300 £22,500 £22,500
90th Percentile £50,625 £68,750 £62,750
Essex median annual salary £47,500 £40,000 £35,000
% change year-on-year +18.75% +14.29% -12.50%

JavaScript is in the Programming Languages category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in Colchester with a requirement for coding skills.

All Programming Languages
Colchester
Permanent vacancies with a requirement for coding skills 123 177 226
As % of all permanent IT jobs advertised in Colchester 51.46% 50.00% 62.43%
Number of salaries quoted 100 154 218
Colchester median annual salary £45,000 £40,000 £35,000
Median salary % change year-on-year +12.50% +14.29% -12.50%
10th Percentile £24,925 £27,500 £22,500
90th Percentile £63,750 £67,500 £65,000
Essex median annual salary £45,000 £42,500 £40,000
% change year-on-year +5.88% +6.25% -

JavaScript
Job Vacancy Trend in Colchester

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

Job vacancy trend for JavaScript in Colchester

JavaScript
Salary Trend in Colchester

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

Salary trend for JavaScript in Colchester

JavaScript
Salary Histogram in Colchester

The salary distribution of IT jobs citing JavaScript in Colchester over the 6 months to 19 November 2017.

Salary histogram for JavaScript in Colchester

For the 6 months to 19 November 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 Colchester region with a requirement for JavaScript.

1 21 (84.00%) HTML
2 20 (80.00%) CSS
3 15 (60.00%) .NET
4 14 (56.00%) SQL Server
4 14 (56.00%) E-Commerce
5 13 (52.00%) C#
6 11 (44.00%) IIS
6 11 (44.00%) ASP.NET
6 11 (44.00%) jQuery
7 10 (40.00%) Node.js
7 10 (40.00%) User Experience
7 10 (40.00%) Microsoft
7 10 (40.00%) VB.NET
7 10 (40.00%) MySQL
7 10 (40.00%) MVC
8 9 (36.00%) Oracle
8 9 (36.00%) webpack
8 9 (36.00%) AngularJS
8 9 (36.00%) Relational Database
8 9 (36.00%) Web Development
9 8 (32.00%) Unit Testing
9 8 (32.00%) Team Foundation Server
9 8 (32.00%) TypeScript
9 8 (32.00%) Express
9 8 (32.00%) ASP.NET Web Forms
9 8 (32.00%) ASP.NET Web API
9 8 (32.00%) LESS
9 8 (32.00%) Oracle Forms
9 8 (32.00%) Project Management
9 8 (32.00%) npm

JavaScript
Co-occurring IT Skills in Colchester 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 (44.00%) IIS
2 3 (12.00%) JBoss
Business Applications
1 3 (12.00%) SessionCam
2 2 (8.00%) osCommerce
Cloud Services
1 8 (32.00%) npm
2 3 (12.00%) Google Analytics
3 1 (4.00%) GitHub
Communications & Networking
1 1 (4.00%) PuTTY
1 1 (4.00%) SMS
Database & Business Intelligence
1 14 (56.00%) SQL Server
2 10 (40.00%) MySQL
3 9 (36.00%) Relational Database
4 2 (8.00%) SQL Server 2014
5 1 (4.00%) MongoDB
5 1 (4.00%) RDBMS
5 1 (4.00%) SQL Server 2008
5 1 (4.00%) SQL Server Reporting Services
Development Applications
1 9 (36.00%) webpack
2 8 (32.00%) Oracle Forms
2 8 (32.00%) Team Foundation Server
3 3 (12.00%) Git (software)
4 1 (4.00%) Ant
4 1 (4.00%) Gradle
4 1 (4.00%) Grunt
4 1 (4.00%) Jasmine
4 1 (4.00%) JIRA
4 1 (4.00%) Karma Test Runner
4 1 (4.00%) Maven
4 1 (4.00%) Mocha
4 1 (4.00%) TestRail
General
1 1 (4.00%) Finance
1 1 (4.00%) Games
1 1 (4.00%) Manufacturing
1 1 (4.00%) Marketing
Job Titles
1 20 (80.00%) Developer
2 10 (40.00%) .NET Developer
3 9 (36.00%) Web Developer
4 8 (32.00%) .NET Web Developer
4 8 (32.00%) C# .NET Developer
4 8 (32.00%) C# Developer
4 8 (32.00%) C# Web Developer
5 6 (24.00%) Junior
6 5 (20.00%) Junior Developer
7 3 (12.00%) Analyst
7 3 (12.00%) Applications Support
7 3 (12.00%) Applications Support Analyst
7 3 (12.00%) HTML Developer
7 3 (12.00%) PHP Developer
7 3 (12.00%) Support Analyst
8 2 (8.00%) Front End Developer (Client-Side Developer)
8 2 (8.00%) HTML CSS Developer
8 2 (8.00%) JavaScript Developer
8 2 (8.00%) Programmer
8 2 (8.00%) Senior Developer
Libraries, Frameworks & Software Standards
1 21 (84.00%) HTML
2 20 (80.00%) CSS
3 15 (60.00%) .NET
4 11 (44.00%) ASP.NET
4 11 (44.00%) jQuery
5 10 (40.00%) Node.js
6 9 (36.00%) AngularJS
7 8 (32.00%) ASP.NET Web API
7 8 (32.00%) ASP.NET Web Forms
7 8 (32.00%) Express
7 8 (32.00%) LESS
8 5 (20.00%) HTML5
9 4 (16.00%) CSS3
10 3 (12.00%) Symfony
11 2 (8.00%) Backbone.js
11 2 (8.00%) Laravel
11 2 (8.00%) Twig
11 2 (8.00%) XML
12 1 (4.00%) React
12 1 (4.00%) Redux
Miscellaneous
1 10 (40.00%) User Experience
2 3 (12.00%) Analytical Skills
3 2 (8.00%) Computer Science
4 1 (4.00%) Greenfield Project
Processes & Methodologies
1 14 (56.00%) E-Commerce
2 10 (40.00%) MVC
3 9 (36.00%) Web Development
4 8 (32.00%) Project Management
4 8 (32.00%) Unit Testing
5 3 (12.00%) Agile Software Development
5 3 (12.00%) Analytics
5 3 (12.00%) Continuous Integration
5 3 (12.00%) DevOps
5 3 (12.00%) Problem Management
5 3 (12.00%) SOA
5 3 (12.00%) Validation
5 3 (12.00%) Web Analytics
6 2 (8.00%) Front End Development
6 2 (8.00%) OOP
6 2 (8.00%) Open Source
7 1 (4.00%) CRM
7 1 (4.00%) ERP
7 1 (4.00%) OO
7 1 (4.00%) Risk Management
Programming Languages
1 13 (52.00%) C#
2 10 (40.00%) VB.NET
3 8 (32.00%) TypeScript
4 6 (24.00%) Java
4 6 (24.00%) SQL
5 5 (20.00%) PHP
6 1 (4.00%) Perl
6 1 (4.00%) PHP 7
6 1 (4.00%) Python
6 1 (4.00%) XAML
Qualifications
1 2 (8.00%) Degree
2 1 (4.00%) Computer Science Degree
Quality Assurance & Compliance
1 3 (12.00%) SLA
2 1 (4.00%) QA
Systems Management
1 3 (12.00%) Puppet
Vendors
1 10 (40.00%) Microsoft
2 9 (36.00%) Oracle
3 3 (12.00%) Dynatrace
3 3 (12.00%) Google
3 3 (12.00%) Software AG
3 3 (12.00%) Splunk
3 3 (12.00%) webMethods
4 1 (4.00%) Xamarin