Period
to 23 January 2018

The following table provides summary statistics for permanent job vacancies advertised in Essex 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 23 January 2018 with a comparison to the same period in the previous 2 years.

JavaScript (including ECMAScript)
6 months to
23 Jan 2018
Same period 2017 Same period 2016
Rank 8 5 10
Rank change year-on-year -3 +5 +4
Permanent jobs citing JavaScript 251 345 354
As % of all permanent IT jobs advertised in Essex 17.88% 18.05% 13.74%
As % of the Programming Languages category 28.75% 37.66% 27.90%
Number of salaries quoted 219 285 313
Essex median annual salary £50,000 £42,000 £35,000
Median salary % change year-on-year +19.05% +20.00% -12.50%
10th Percentile £21,000 £22,500 £21,250
90th Percentile £70,000 £68,750 £63,750
East of England median annual salary £45,000 £40,000 £40,500
% change year-on-year +12.50% -1.23% +1.25%

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 Essex with a requirement for coding skills.

All Programming Languages
Essex
Permanent vacancies with a requirement for coding skills 873 916 1,269
As % of all permanent IT jobs advertised in Essex 62.18% 47.93% 49.24%
Number of salaries quoted 761 677 979
Essex median annual salary £50,000 £42,500 £40,000
Median salary % change year-on-year +17.65% +6.25% -1.23%
10th Percentile £27,500 £26,250 £22,500
90th Percentile £70,000 £65,000 £63,750
East of England median annual salary £47,500 £45,000 £42,500
% change year-on-year +5.56% +5.88% -

JavaScript
Job Vacancy Trend in Essex

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

Job vacancy trend for JavaScript in Essex

JavaScript
Salary Trend in Essex

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

Salary trend for JavaScript in Essex

JavaScript
Salary Histogram in Essex

The salary distribution of IT jobs citing JavaScript in Essex over the 6 months to 23 January 2018.

Salary histogram for JavaScript in Essex

JavaScript
Job Locations in Essex

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing JavaScript within the Essex region over the 6 months to 23 January 2018. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Chelmsford +11 52 £50,000 +17.65% 13
Colchester -12 42 £47,500 -7.32% 12
Harlow -8 37 £67,500 +35.00% 2
Witham 0 26 £35,000 -17.65%
Southend-on-Sea 0 16 £20,000 -20.00% 4
Brentwood +3 10 £50,000 -9.09% 4
Basildon +1 6 £42,500 -12.82% 5
Loughton 0 3 £60,000 +41.18% 4
Leigh-on-Sea 0 2 £32,500 +30.00%
Billericay +4 1 - -
Rayleigh -2 1 £30,000 - 1
Saffron Walden -4 1 £60,000 +50.00% 5
Wickford -8 1 £40,000 +14.29%
JavaScript
East of England

For the 6 months to 23 January 2018, IT jobs citing JavaScript also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent job ads across the Essex region with a requirement for JavaScript.

1 205 (81.67%) HTML
2 151 (60.16%) CSS
3 137 (54.58%) C#
4 131 (52.19%) SQL
5 121 (48.21%) .NET
6 97 (38.65%) Web Development
7 96 (38.25%) ASP.NET
8 94 (37.45%) Agile Software Development
9 92 (36.65%) MVC
10 90 (35.86%) SQL Server
11 81 (32.27%) AngularJS
12 73 (29.08%) Java
13 71 (28.29%) jQuery
14 69 (27.49%) HTML5
15 60 (23.90%) Microsoft
16 52 (20.72%) PHP
17 44 (17.53%) RESTful
18 43 (17.13%) WCF
19 40 (15.94%) XML
20 39 (15.54%) Web Services
20 39 (15.54%) TDD
21 38 (15.14%) Spring
21 38 (15.14%) .NET Framework
21 38 (15.14%) JSON
21 38 (15.14%) Front End Development
22 37 (14.74%) Scrum
23 35 (13.94%) SDLC
23 35 (13.94%) ASP.NET MVC
24 34 (13.55%) Mentoring
24 34 (13.55%) T-SQL

JavaScript
Co-occurring IT Skills in Essex 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 27 (10.76%) IIS
2 15 (5.98%) CMS
2 15 (5.98%) JBoss
3 8 (3.19%) WildFly
4 6 (2.39%) Apache
5 5 (1.99%) Apache Geronimo
5 5 (1.99%) Apache Pig
5 5 (1.99%) Apache Spark
5 5 (1.99%) GlassFish
5 5 (1.99%) Tomcat
5 5 (1.99%) WebSphere
5 5 (1.99%) WordPress
6 2 (0.80%) Joomla!
7 1 (0.40%) Cloud Foundry
7 1 (0.40%) Drupal
Applications
1 16 (6.37%) Photoshop
2 7 (2.79%) Adobe Illustrator
3 5 (1.99%) Weka
4 4 (1.59%) Adobe Creative Suite
5 2 (0.80%) Microsoft Excel
5 2 (0.80%) MS Visio
5 2 (0.80%) OmniGraffle
6 1 (0.40%) InDesign
6 1 (0.40%) Maya
Business Applications
1 2 (0.80%) Dynamics CRM
2 1 (0.40%) osCommerce
2 1 (0.40%) Payment Gateway
Cloud Services
1 11 (4.38%) Microsoft Azure
2 9 (3.59%) npm
3 7 (2.79%) Amazon AWS
4 4 (1.59%) Cloud Computing
5 1 (0.40%) Adobe Creative Cloud
5 1 (0.40%) Asana
5 1 (0.40%) GitHub
5 1 (0.40%) MailChimp
5 1 (0.40%) SaaS
5 1 (0.40%) Slack
Communications & Networking
1 3 (1.20%) Internet
1 3 (1.20%) SMS
2 2 (0.80%) HTTP
3 1 (0.40%) PuTTY
Database & Business Intelligence
1 90 (35.86%) SQL Server
2 33 (13.15%) MySQL
3 27 (10.76%) SQL Server Reporting Services
4 25 (9.96%) SQL Server 2014
4 25 (9.96%) SQL Server Integration Services
5 20 (7.97%) Relational Database
5 20 (7.97%) SQL Server 2005
6 8 (3.19%) SQL Server 2012
7 7 (2.79%) MongoDB
7 7 (2.79%) NoSQL
8 5 (1.99%) Apache Hive
8 5 (1.99%) Big Data
8 5 (1.99%) CouchDB
8 5 (1.99%) Hadoop
8 5 (1.99%) Mahout
8 5 (1.99%) Neo4j
8 5 (1.99%) PostgreSQL
8 5 (1.99%) QlikView
8 5 (1.99%) RDBMS
8 5 (1.99%) Sqoop
Development Applications
1 31 (12.35%) Git (software)
2 26 (10.36%) Visual Studio
3 21 (8.37%) Team Foundation Server
4 14 (5.58%) gulp
5 10 (3.98%) Selenium
5 10 (3.98%) webpack
6 9 (3.59%) Oracle Forms
6 9 (3.59%) WebDriver
7 6 (2.39%) MSTest
7 6 (2.39%) SpecFlow
8 5 (1.99%) JIRA
8 5 (1.99%) Subversion
9 4 (1.59%) Grunt
10 3 (1.20%) Ant
10 3 (1.20%) jMock
10 3 (1.20%) JUnit
10 3 (1.20%) Mockito
10 3 (1.20%) PHPUnit
11 2 (0.80%) Maven
11 2 (0.80%) Mercurial
General
1 32 (12.75%) Advertising
2 27 (10.76%) Finance
3 23 (9.16%) Automotive
4 16 (6.37%) Banking
5 12 (4.78%) Marketing
6 9 (3.59%) Games
7 8 (3.19%) Retail
8 2 (0.80%) Legal
8 2 (0.80%) Multimedia
9 1 (0.40%) Back Office
9 1 (0.40%) Law
9 1 (0.40%) Manufacturing
9 1 (0.40%) Publishing
Job Titles
1 208 (82.87%) Developer
2 60 (23.90%) .NET Developer
2 60 (23.90%) Web Developer
3 48 (19.12%) C# Developer
4 41 (16.33%) Java Developer
5 35 (13.94%) C# .NET Developer
6 33 (13.15%) JavaScript Developer
7 30 (11.95%) Senior Developer
8 29 (11.55%) Lead Developer
9 28 (11.16%) Front End Developer (Client-Side Developer)
10 27 (10.76%) .NET Web Developer
11 26 (10.36%) Software Developer
12 25 (9.96%) Junior
13 24 (9.56%) Junior Developer
14 23 (9.16%) C# Web Developer
15 22 (8.76%) SQL Developer
16 20 (7.97%) HTML Developer
17 19 (7.57%) ASP.NET Developer
17 19 (7.57%) C# ASP.NET Developer
17 19 (7.57%) Senior Java Developer
Libraries, Frameworks & Software Standards
1 205 (81.67%) HTML
2 151 (60.16%) CSS
3 121 (48.21%) .NET
4 96 (38.25%) ASP.NET
5 81 (32.27%) AngularJS
6 71 (28.29%) jQuery
7 69 (27.49%) HTML5
8 44 (17.53%) RESTful
9 43 (17.13%) WCF
10 40 (15.94%) XML
11 39 (15.54%) Web Services
12 38 (15.14%) .NET Framework
12 38 (15.14%) JSON
12 38 (15.14%) Spring
13 35 (13.94%) ASP.NET MVC
14 33 (13.15%) Hibernate
15 32 (12.75%) CSS3
16 31 (12.35%) LESS
17 29 (11.55%) Ajax
17 29 (11.55%) JPA
Miscellaneous
1 33 (13.15%) User Experience
2 23 (9.16%) Greenfield Project
3 17 (6.77%) Computer Science
4 8 (3.19%) Analytical Skills
4 8 (3.19%) Enterprise Software
4 8 (3.19%) Mobile App
5 4 (1.59%) Data Structures
5 4 (1.59%) Reinsurance
6 3 (1.20%) CMDB
6 3 (1.20%) Graphic Design
7 2 (0.80%) Animation
7 2 (0.80%) Driving Licence
7 2 (0.80%) Fintech
7 2 (0.80%) Management Information System
7 2 (0.80%) Social Media
8 1 (0.40%) EPoS
Operating Systems
1 24 (9.56%) Linux
2 22 (8.76%) Android
3 19 (7.57%) Apple iOS
4 16 (6.37%) Windows Server
5 6 (2.39%) Windows
6 1 (0.40%) Unix
6 1 (0.40%) Windows Mobile
Processes & Methodologies
1 97 (38.65%) Web Development
2 94 (37.45%) Agile Software Development
3 92 (36.65%) MVC
4 39 (15.54%) TDD
5 38 (15.14%) Front End Development
6 37 (14.74%) Scrum
7 35 (13.94%) SDLC
8 34 (13.55%) Mentoring
9 31 (12.35%) E-Commerce
10 26 (10.36%) BDD
11 23 (9.16%) Unit Testing
12 19 (7.57%) OO
12 19 (7.57%) OOP
13 18 (7.17%) Kanban
14 16 (6.37%) SOA
15 15 (5.98%) Project Management
15 15 (5.98%) Refactoring
15 15 (5.98%) Web Design
16 14 (5.58%) Feature Driven Development
16 14 (5.58%) Software Engineering
Programming Languages
1 137 (54.58%) C#
2 131 (52.19%) SQL
3 73 (29.08%) Java
4 52 (20.72%) PHP
5 34 (13.55%) T-SQL
6 14 (5.58%) TypeScript
7 13 (5.18%) VB.NET
8 10 (3.98%) Python
9 7 (2.79%) Perl
10 6 (2.39%) PL/SQL
11 4 (1.59%) C
12 3 (1.20%) XAML
13 2 (0.80%) MAXScript
13 2 (0.80%) Scala
13 2 (0.80%) Tcl
13 2 (0.80%) VBScript
14 1 (0.40%) Apple Swift
14 1 (0.40%) C++
14 1 (0.40%) PowerShell
14 1 (0.40%) VB
Qualifications
1 23 (9.16%) Degree
2 6 (2.39%) Computer Science Degree
3 2 (0.80%) MCP
3 2 (0.80%) Microsoft Certification
4 1 (0.40%) DBS Check
Quality Assurance & Compliance
1 14 (5.58%) QA
System Software
1 5 (1.99%) HDFS
2 3 (1.20%) Virtual Machines
3 1 (0.40%) Docker
Vendors
1 60 (23.90%) Microsoft
2 28 (11.16%) Oracle
3 10 (3.98%) Tableau
4 8 (3.19%) Adobe
5 6 (2.39%) Xamarin
6 5 (1.99%) Alteryx
7 3 (1.20%) MKS
8 2 (0.80%) Google
8 2 (0.80%) ServiceNow
8 2 (0.80%) Splunk
9 1 (0.40%) Facebook
9 1 (0.40%) HP
9 1 (0.40%) SAP