The following table provides summary statistics for permanent job vacancies with a requirement for ECMAScript skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited ECMAScript over the 3 months to 28 June 2017 with a comparison to the same period in the previous 2 years.

ECMAScript
UK
3 months to
28 Jun 2017
Same period 2016 Same period 2015
Rank 785 878 949
Rank change year-on-year +93 +71  
Permanent jobs citing ECMAScript 89 57 14
As % of all permanent IT jobs advertised in the UK 0.10% 0.058% 0.013%
As % of the Programming Languages category 0.18% 0.11% 0.025%
Number of salaries quoted 85 48 12
Median salary £65,000 £58,750 £57,500
Median salary % change year-on-year +10.63% +2.17%  
UK excluding London median salary £56,250 £42,500 £42,500
% change year-on-year +32.35% -  

ECMAScript 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 with a requirement for programming language skills.

Programming Language Skills
UK
Permanent job vacancies with a requirement for programming language skills 49762 51984 56399
As % of all permanent IT job vacancies advertised in the UK 55.96% 52.83% 51.51%
Number of salaries quoted 41668 45055 48108
Median salary £47,500 £47,500 £45,000
Median salary % change year-on-year - +5.55%  
90% offered a salary of more than £30,250 £30,000 £30,000
10% offered a salary of more than £75,000 £70,000 £70,500
UK excluding London median salary £42,500 £41,000 £40,000
% change year-on-year +3.65% +2.50%  

ECMAScript
Job Vacancy Trend

The job posting trend of jobs advertised citing ECMAScript as a proportion of all permanent or contract IT jobs with a match in the Programming Languages category.

Job vacancy trend for ECMAScript in the UK

ECMAScript
Salary Trend

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

Salary trend for ECMAScript in the UK

ECMAScript
Salary Histogram

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

Salary histogram for ECMAScript in the UK

ECMAScript
Top 14 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing ECMAScript within the UK over the 3 months to 28 June 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Last 3 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
England +72 75 £65,000 +13.04% 11
London +48 59 £65,000 +8.33% 4
South East - 12 £47,500 - 4
Milton Keynes - 8 £47,500 -
Buckinghamshire - 8 £47,500 -
Manchester - 3 £52,500 -
North West - 3 £52,500 -
Hampshire - 3 £35,200 -
Fareham - 2 £40,100 -
City of London +27 1 - - 1
South West -7 1 £40,000 -11.11% 1
Reading - 1 £50,000 - 1
Berkshire - 1 £50,000 - 1
Devon - 1 £40,000 -

For the 6 months to 28 June 2017, IT jobs citing ECMAScript also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads with a requirement for ECMAScript.

1 169 (100.00%) JavaScript
2 132 (78.11%) ES6
3 117 (69.23%) CSS
4 107 (63.31%) HTML
5 94 (55.62%) HTML5
6 93 (55.03%) Agile Software Development
7 89 (52.66%) AngularJS
8 77 (45.56%) Software Engineering
9 76 (44.97%) Web Development
10 74 (43.79%) jQuery
10 74 (43.79%) TDD
11 72 (42.60%) React
12 66 (39.05%) Node.js
13 61 (36.09%) OO
14 58 (34.32%) CSS3
15 56 (33.14%) MVC
16 55 (32.54%) Front End Development
17 49 (28.99%) Java
18 46 (27.22%) JSON
19 45 (26.63%) Unit Testing
20 42 (24.85%) Jasmine
21 41 (24.26%) LESS
21 41 (24.26%) User Experience
21 41 (24.26%) Ajax
22 40 (23.67%) Git (software)
23 38 (22.49%) REST
23 38 (22.49%) SQL
24 35 (20.71%) Backbone.js
24 35 (20.71%) Test Automation
25 34 (20.12%) Grunt

ECMAScript
Co-occurring IT Skills 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 21 (12.43%) CMS
2 15 (8.88%) Elasticsearch
3 7 (4.14%) SAS
4 6 (3.55%) Jetty
4 6 (3.55%) Mule
4 6 (3.55%) Mule ESB
4 6 (3.55%) Tomcat
5 5 (2.96%) EPiServer
6 4 (2.37%) Apache
7 2 (1.18%) WordPress
8 1 (0.59%) nginx
Applications
1 10 (5.92%) Photoshop
Cloud Services
1 31 (18.34%) Amazon AWS
2 20 (11.83%) Microsoft Azure
3 16 (9.47%) GitHub
4 2 (1.18%) Firebase
5 1 (0.59%) SaaS
Communications & Networking
1 32 (18.93%) Internet
2 1 (0.59%) HTTP
Database & Business Intelligence
1 32 (18.93%) MySQL
2 10 (5.92%) MongoDB
3 9 (5.33%) SQL Server
4 6 (3.55%) Amazon Redshift
4 6 (3.55%) Looker
4 6 (3.55%) Oracle Database
4 6 (3.55%) Oracle9i Database
5 5 (2.96%) NoSQL
5 5 (2.96%) QGIS
6 4 (2.37%) Relational Database
7 3 (1.78%) RDBMS
8 2 (1.18%) Aerospike
8 2 (1.18%) Blockchain
8 2 (1.18%) PostgreSQL
9 1 (0.59%) MariaDB
9 1 (0.59%) Redis
9 1 (0.59%) Riak
Development Applications
1 42 (24.85%) Jasmine
2 40 (23.67%) Git (software)
3 34 (20.12%) Grunt
4 33 (19.53%) Selenium
5 31 (18.34%) Mocha
6 30 (17.75%) gulp
7 27 (15.98%) Karma Test Runner
8 22 (13.02%) Jenkins
9 17 (10.06%) webpack
10 15 (8.88%) Babel
11 12 (7.10%) JUnit
12 11 (6.51%) Bitbucket
13 9 (5.33%) Cucumber
13 9 (5.33%) Maven
14 8 (4.73%) Subversion
15 6 (3.55%) PHPUnit
15 6 (3.55%) Spock
16 5 (2.96%) Appium
16 5 (2.96%) Calabash
16 5 (2.96%) UI Automator
General
1 10 (5.92%) Retail
2 9 (5.33%) Finance
3 5 (2.96%) Advertising
3 5 (2.96%) Billing
3 5 (2.96%) Games
3 5 (2.96%) Marketing
3 5 (2.96%) Publishing
4 3 (1.78%) Banking
4 3 (1.78%) Investment Banking
4 3 (1.78%) Retail Banking
5 2 (1.18%) Financial Institution
6 1 (0.59%) Multimedia
Job Titles
1 135 (79.88%) Developer
2 53 (31.36%) Senior Developer
3 50 (29.59%) JavaScript Developer
4 35 (20.71%) Front End Developer (Client-Side Developer)
5 21 (12.43%) Node.js Developer
6 19 (11.24%) Full Stack Developer
6 19 (11.24%) HTML Developer
7 18 (10.65%) .NET Developer
8 16 (9.47%) Senior Front-End Developer
9 15 (8.88%) HTML CSS Developer
9 15 (8.88%) Java Developer
10 14 (8.28%) Senior JavaScript Developer
11 13 (7.69%) Senior .NET Developer
11 13 (7.69%) Senior Full Stack Developer
12 11 (6.51%) Angular Developer
13 10 (5.92%) Senior Java Developer
14 7 (4.14%) JavaScript Engineer
15 6 (3.55%) C# Developer
15 6 (3.55%) UI Developer
16 5 (2.96%) Senior Software Engineer
Libraries, Frameworks & Software Standards
1 117 (69.23%) CSS
2 107 (63.31%) HTML
3 94 (55.62%) HTML5
4 89 (52.66%) AngularJS
5 74 (43.79%) jQuery
6 72 (42.60%) React
7 66 (39.05%) Node.js
8 58 (34.32%) CSS3
9 46 (27.22%) JSON
10 41 (24.26%) Ajax
10 41 (24.26%) LESS
11 38 (22.49%) REST
12 35 (20.71%) Backbone.js
13 34 (20.12%) .NET
14 33 (19.53%) RESTful
15 26 (15.38%) DOM
15 26 (15.38%) KnockoutJS
15 26 (15.38%) SignalR
15 26 (15.38%) WebSockets
15 26 (15.38%) XML
Miscellaneous
1 41 (24.26%) User Experience
2 18 (10.65%) Computer Science
3 9 (5.33%) Mobile App
4 6 (3.55%) Data Structures
4 6 (3.55%) RIA
5 4 (2.37%) Enterprise Software
6 3 (1.78%) Fixed Income
7 1 (0.59%) Analytical Skills
7 1 (0.59%) Management Information System
7 1 (0.59%) NHS
7 1 (0.59%) Smartphone
7 1 (0.59%) Social Media
Operating Systems
1 28 (16.57%) Linux
2 15 (8.88%) Android
2 15 (8.88%) Apple iOS
3 9 (5.33%) Unix
4 6 (3.55%) Solaris
4 6 (3.55%) Windows
4 6 (3.55%) Windows 2000 Server
4 6 (3.55%) Windows Server
5 1 (0.59%) Ubuntu
Processes & Methodologies
1 93 (55.03%) Agile Software Development
2 77 (45.56%) Software Engineering
3 76 (44.97%) Web Development
4 74 (43.79%) TDD
5 61 (36.09%) OO
6 56 (33.14%) MVC
7 55 (32.54%) Front End Development
8 45 (26.63%) Unit Testing
9 35 (20.71%) Test Automation
10 34 (20.12%) OOP
11 31 (18.34%) Push Notifications
12 28 (16.57%) Cross-Browser Compatibility
13 27 (15.98%) E-Commerce
13 27 (15.98%) MVVM
14 25 (14.79%) Scrum
15 22 (13.02%) Microservices
16 21 (12.43%) Web Application Development
17 19 (11.24%) Dependency Injection
18 17 (10.06%) Responsive Web Design
19 16 (9.47%) Open Source
Programming Languages
1 169 (100.00%) JavaScript
2 132 (78.11%) ES6
3 49 (28.99%) Java
4 38 (22.49%) SQL
5 28 (16.57%) C#
6 14 (8.28%) Bash Shell
7 13 (7.69%) Clojure
7 13 (7.69%) PHP
7 13 (7.69%) PL/SQL
8 8 (4.73%) TypeScript
9 7 (4.14%) Objective-C
10 6 (3.55%) Groovy
10 6 (3.55%) Scala
10 6 (3.55%) VB
10 6 (3.55%) VB.NET
11 5 (2.96%) Apple Swift
11 5 (2.96%) VBScript
12 3 (1.78%) Python
13 2 (1.18%) R
14 1 (0.59%) Erlang
Qualifications
1 18 (10.65%) Degree
2 14 (8.28%) Computer Science Degree
Quality Assurance & Compliance
1 8 (4.73%) QA
2 2 (1.18%) WCAG
System Software
1 16 (9.47%) Docker
Vendors
1 26 (15.38%) Oracle
2 19 (11.24%) Microsoft
3 13 (7.69%) Adobe
4 7 (4.14%) Red Hat
5 5 (2.96%) Appcelerator
5 5 (2.96%) Facebook
5 5 (2.96%) Google
5 5 (2.96%) Twitter
6 3 (1.78%) ION Trading
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