Period
to 18 January 2019

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 18 January 2019 with a comparison to the same period in the previous 2 years.

JavaScript (including ECMAScript)
6 months to
18 Jan 2019
Same period 2018 Same period 2017
Rank 8 8 5
Rank change year-on-year 0 -3 +5
Permanent jobs citing JavaScript 197 246 348
As % of all permanent IT jobs advertised in Essex 18.73% 17.79% 18.05%
As % of the Programming Languages category 32.56% 28.87% 37.62%
Number of salaries quoted 175 213 287
Essex median annual salary £40,000 £50,000 £40,000
Median salary % change year-on-year -20.00% +25.00% +14.29%
10th Percentile £25,000 £21,050 £22,500
90th Percentile £65,750 £70,000 £68,750
East of England median annual salary £45,000 £45,000 £40,000
% change year-on-year - +12.50% -2.14%

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 605 852 925
As % of all permanent IT jobs advertised in Essex 57.51% 61.61% 47.98%
Number of salaries quoted 470 739 684
Essex median annual salary £42,500 £50,000 £42,500
Median salary % change year-on-year -15.00% +17.65% +6.25%
10th Percentile £24,000 £27,500 £26,250
90th Percentile £65,000 £70,000 £65,000
East of England median annual salary £47,500 £47,500 £45,000
% 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 18 January 2019.

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 18 January 2019. 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
Colchester +13 52 £36,000 -24.21% 2
Chelmsford -2 44 £37,500 -25.00% 3
Basildon +8 27 £42,500 - 2
Wickford +7 11 £35,000 -12.50%
Harlow +4 10 £46,250 -31.48% 1
Southend-on-Sea -1 10 £22,500 +12.50% 3
Witham -1 3 £40,000 +14.29% 5
Braintree - 1 £50,000 - 1
Dunmow - 1 £40,000 - 2
JavaScript
East of England

For the 6 months to 18 January 2019, 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.

1 158 (80.20%) HTML
2 156 (79.19%) CSS
3 101 (51.27%) C#
4 96 (48.73%) .NET
5 86 (43.65%) SQL Server
6 80 (40.61%) Web Development
7 77 (39.09%) jQuery
8 72 (36.55%) MVC
9 70 (35.53%) MySQL
9 70 (35.53%) ASP.NET
10 66 (33.50%) SQL
11 60 (30.46%) AngularJS
11 60 (30.46%) Front End Development
12 58 (29.44%) HTML5
13 49 (24.87%) Oracle
14 46 (23.35%) Ajax
15 45 (22.84%) Agile Software Development
16 43 (21.83%) Git (software)
17 42 (21.32%) Microsoft
18 39 (19.80%) Web Services
18 39 (19.80%) Degree
19 37 (18.78%) Twitter Bootstrap
20 36 (18.27%) JSON
21 35 (17.77%) CSS3
22 33 (16.75%) PHP
23 32 (16.24%) E-Commerce
24 31 (15.74%) XML
24 31 (15.74%) Computer Science
24 31 (15.74%) Relational Database
25 30 (15.23%) Problem-Solving

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 18 (9.14%) JBoss
2 16 (8.12%) Apache
3 15 (7.61%) WebSphere
4 13 (6.60%) Apache Geronimo
4 13 (6.60%) GlassFish
4 13 (6.60%) Tomcat
5 12 (6.09%) Apache Spark
6 10 (5.08%) IIS
6 10 (5.08%) SharePoint
7 6 (3.05%) Drupal
8 4 (2.03%) Apache Pig
9 3 (1.52%) CMS
9 3 (1.52%) nginx
10 2 (1.02%) Elasticsearch
10 2 (1.02%) WebLogic
10 2 (1.02%) WordPress
11 1 (0.51%) EPiServer
11 1 (0.51%) LiveCycle
Applications
1 12 (6.09%) Weka
2 1 (0.51%) Adobe Creative Suite
Business Applications
1 2 (1.02%) WebTrends
2 1 (0.51%) Magento
Cloud Services
1 9 (4.57%) SaaS
2 8 (4.06%) Microsoft Azure
3 3 (1.52%) GitHub
4 2 (1.02%) Amazon AWS
5 1 (0.51%) Dynamics 365
5 1 (0.51%) Google Cloud Platform
Communications & Networking
1 2 (1.02%) Internet
1 2 (1.02%) SMS
Database & Business Intelligence
1 86 (43.65%) SQL Server
2 70 (35.53%) MySQL
3 31 (15.74%) Relational Database
4 16 (8.12%) RDBMS
5 15 (7.61%) NoSQL
6 13 (6.60%) Big Data
6 13 (6.60%) MongoDB
6 13 (6.60%) PostgreSQL
7 12 (6.09%) Apache Hive
7 12 (6.09%) CouchDB
7 12 (6.09%) Hadoop
7 12 (6.09%) Mahout
7 12 (6.09%) Neo4j
7 12 (6.09%) Sqoop
8 3 (1.52%) JasperReports
9 2 (1.02%) GIS
9 2 (1.02%) SQL Server 2008
9 2 (1.02%) SQL Server 2012
9 2 (1.02%) SQL Server 2014
10 1 (0.51%) SQL Server 2016
Development Applications
1 43 (21.83%) Git (software)
2 23 (11.68%) Visual Studio
3 17 (8.63%) Maven
4 16 (8.12%) Ant
5 13 (6.60%) Gradle
6 9 (4.57%) NUnit
7 6 (3.05%) Subversion
8 5 (2.54%) Moq
8 5 (2.54%) Team Foundation Server
9 4 (2.03%) Selenium
10 3 (1.52%) JUnit
11 2 (1.02%) Jenkins
11 2 (1.02%) ReSharper
11 2 (1.02%) TeamCity
12 1 (0.51%) Bitbucket
12 1 (0.51%) gulp
12 1 (0.51%) JIRA
12 1 (0.51%) Vagrant
General
1 10 (5.08%) Retail
2 8 (4.06%) Finance
3 4 (2.03%) Games
3 4 (2.03%) Manufacturing
4 2 (1.02%) Automotive
5 1 (0.51%) Advertising
5 1 (0.51%) Back Office
5 1 (0.51%) Marketing
5 1 (0.51%) Publishing
Job Titles
1 190 (96.45%) Developer
2 58 (29.44%) .NET Developer
3 54 (27.41%) Front End Developer (Client-Side Developer)
4 51 (25.89%) Web Developer
5 44 (22.34%) JavaScript Developer
6 43 (21.83%) Software Developer
7 38 (19.29%) C# Developer
8 30 (15.23%) C# .NET Developer
9 28 (14.21%) ASP.NET Developer
10 25 (12.69%) Graduate
10 25 (12.69%) Graduate Developer
11 23 (11.68%) HTML Developer
12 22 (11.17%) .NET Web Developer
12 22 (11.17%) C# ASP.NET Developer
13 20 (10.15%) Senior Developer
14 19 (9.64%) C# Web Developer
15 18 (9.14%) HTML CSS Developer
15 18 (9.14%) Junior
15 18 (9.14%) Junior Developer
16 17 (8.63%) Java Developer
Libraries, Frameworks & Software Standards
1 158 (80.20%) HTML
2 156 (79.19%) CSS
3 96 (48.73%) .NET
4 77 (39.09%) jQuery
5 70 (35.53%) ASP.NET
6 60 (30.46%) AngularJS
7 58 (29.44%) HTML5
8 46 (23.35%) Ajax
9 39 (19.80%) Web Services
10 37 (18.78%) Twitter Bootstrap
11 36 (18.27%) JSON
12 35 (17.77%) CSS3
13 31 (15.74%) XML
14 28 (14.21%) ASP.NET Web API
15 26 (13.20%) SOAP
16 24 (12.18%) REST
16 24 (12.18%) Vue.js
17 23 (11.68%) WCF
18 19 (9.64%) ASP.NET 2.0
19 18 (9.14%) Node.js
Miscellaneous
1 25 (12.69%) Enterprise Software
2 23 (11.68%) Analytical Skills
3 15 (7.61%) Social Media
4 13 (6.60%) Self-Motivation
5 7 (3.55%) Mobile App
6 6 (3.05%) iPhone
7 4 (2.03%) Life Science
8 3 (1.52%) Foreign Exchange (FX)
8 3 (1.52%) User Experience
9 2 (1.02%) Greenfield Project
10 1 (0.51%) Renewable Energy
10 1 (0.51%) Social Network
Operating Systems
1 26 (13.20%) Windows
2 20 (10.15%) Linux
3 8 (4.06%) Android
4 6 (3.05%) Windows Phone
5 3 (1.52%) CentOS
5 3 (1.52%) Red Hat Enterprise Linux
6 2 (1.02%) Apple iOS
6 2 (1.02%) Windows Server
Processes & Methodologies
1 80 (40.61%) Web Development
2 72 (36.55%) MVC
3 60 (30.46%) Front End Development
4 45 (22.84%) Agile Software Development
5 32 (16.24%) E-Commerce
6 31 (15.74%) Computer Science
7 30 (15.23%) OO
7 30 (15.23%) Problem-Solving
8 25 (12.69%) OOP
9 16 (8.12%) Scrum
9 16 (8.12%) Software Engineering
9 16 (8.12%) TDD
10 14 (7.11%) Customer Requirements
11 13 (6.60%) Analytics
11 13 (6.60%) Creative Problem-Solving
11 13 (6.60%) Mathematics
12 9 (4.57%) Mobile Development
12 9 (4.57%) Scrum-ban
12 9 (4.57%) Unit Testing
12 9 (4.57%) Workflow
Programming Languages
1 101 (51.27%) C#
2 66 (33.50%) SQL
3 33 (16.75%) PHP
4 29 (14.72%) Java
5 20 (10.15%) T-SQL
6 18 (9.14%) TypeScript
7 12 (6.09%) PL/SQL
8 6 (3.05%) PHP 5
9 5 (2.54%) ES6
10 4 (2.03%) Java 8
11 3 (1.52%) C
11 3 (1.52%) Python
11 3 (1.52%) Ruby
11 3 (1.52%) VB.NET
11 3 (1.52%) XAML
12 2 (1.02%) Objective-C
12 2 (1.02%) R
13 1 (0.51%) C++
13 1 (0.51%) Perl
13 1 (0.51%) VC++
Qualifications
1 39 (19.80%) Degree
2 8 (4.06%) Computer Science Degree
3 3 (1.52%) SC Cleared
3 3 (1.52%) Security Cleared
Quality Assurance & Compliance
1 6 (3.05%) QA
System Software
1 12 (6.09%) HDFS
2 3 (1.52%) Active Directory
3 2 (1.02%) Docker
Vendors
1 49 (24.87%) Oracle
2 42 (21.32%) Microsoft
3 18 (9.14%) Adobe
4 12 (6.09%) Alteryx
4 12 (6.09%) Tableau
5 4 (2.03%) Google
6 2 (1.02%) Xamarin
7 1 (0.51%) Facebook