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 27 April 2017 with a comparison to the same period in the previous 2 years.

ECMAScript
UK
3 months to
27 Apr 2017
Same period 2016 Same period 2015
Rank 772 931 957
Rank change year-on-year +159 +26  
Permanent jobs citing ECMAScript 93 19 28
As % of all permanent IT jobs advertised in the UK 0.11% 0.018% 0.025%
As % of the Programming Languages category 0.19% 0.035% 0.050%
Number of salaries quoted 88 19 14
Median salary £57,500 £45,000 £38,750
Median salary % change year-on-year +27.77% +16.12%  
90% offered a salary of more than £37,500 £42,500 £31,500
10% offered a salary of more than £85,000 £75,000 £57,500
UK excluding London median salary £47,500 £45,000 £42,500
% change year-on-year +5.55% +5.88%  

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 47732 53746 56365
As % of all permanent IT job vacancies advertised in the UK 55.49% 51.80% 50.92%
Number of salaries quoted 40629 46442 47917
Median salary £47,500 £47,000 £45,000
Median salary % change year-on-year +1.06% +4.44%  
90% offered a salary of more than £31,000 £30,000 £30,000
10% offered a salary of more than £72,500 £67,500 £70,000
UK excluding London median salary £41,500 £41,000 £40,000
% change year-on-year +1.21% +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 27 April 2017.

Salary histogram for ECMAScript in the UK

ECMAScript
Top 24 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 27 April 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 +156 82 £57,500 +27.77% 8
London +123 60 £65,000 -13.33% 4
South East - 14 £41,250 - 1
Milton Keynes - 6 £47,500 - 1
Buckinghamshire - 6 £47,500 - 1
Hampshire - 6 £38,750 -
Fareham - 4 £40,000 -
Warwick - 3 - -
Warwickshire - 3 - -
West Midlands - 3 - - 1
City of London +39 2 £46,250 -38.33% 1
South West +14 2 £31,250 -30.55%
North West - 2 £37,500 - 1
Hammersmith - 2 £42,500 -
Chatham - 2 £30,000 -
Kent - 2 £30,000 -
Manchester - 2 £37,500 - 1
Orpington +7 1 £42,500 -19.04%
Somerset -10 1 £30,000 -33.33%
Bath -12 1 £30,000 -33.33%
Bristol - 1 £32,500 -
Leeds - 1 £36,378 - 1
West Yorkshire - 1 £36,378 - 1
Yorkshire - 1 £36,378 - 1

For the 6 months to 27 April 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.

1 131 (100.00%) JavaScript
2 91 (69.47%) ES6
3 84 (64.12%) CSS
4 81 (61.83%) Agile Software Development
5 74 (56.49%) HTML
6 69 (52.67%) TDD
7 62 (47.33%) React
8 60 (45.80%) AngularJS
8 60 (45.80%) Node.js
9 58 (44.27%) HTML5
10 50 (38.17%) Software Engineering
11 47 (35.88%) OO
12 46 (35.11%) Web Development
13 44 (33.59%) Java
14 37 (28.24%) jQuery
15 36 (27.48%) Grunt
16 34 (25.95%) gulp
17 33 (25.19%) Git (software)
17 33 (25.19%) CSS3
18 31 (23.66%) Web Services
19 30 (22.90%) Jasmine
19 30 (22.90%) RESTful
20 29 (22.14%) Mocha
20 29 (22.14%) SQL
21 28 (21.37%) Linux
21 28 (21.37%) User Experience
22 27 (20.61%) MVC
22 27 (20.61%) JSON
23 26 (19.85%) Front End Development
24 25 (19.08%) .NET

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 11 (8.40%) Elasticsearch
2 5 (3.82%) CMS
2 5 (3.82%) EPiServer
2 5 (3.82%) SAS
3 4 (3.05%) Jetty
3 4 (3.05%) Mule
3 4 (3.05%) Mule ESB
3 4 (3.05%) Tomcat
4 2 (1.53%) WordPress
Applications
1 10 (7.63%) Photoshop
Cloud Services
1 19 (14.50%) Amazon AWS
2 14 (10.69%) GitHub
3 12 (9.16%) Microsoft Azure
4 1 (0.76%) SaaS
Communications & Networking
1 6 (4.58%) Internet
2 4 (3.05%) HTTP
Database & Business Intelligence
1 23 (17.56%) MySQL
2 10 (7.63%) Oracle Database
2 10 (7.63%) Oracle9i Database
2 10 (7.63%) SQL Server
3 8 (6.11%) MongoDB
4 5 (3.82%) NoSQL
4 5 (3.82%) QGIS
5 4 (3.05%) Amazon Redshift
5 4 (3.05%) Looker
6 2 (1.53%) Blockchain
6 2 (1.53%) PostgreSQL
7 1 (0.76%) Apache Cassandra
7 1 (0.76%) MariaDB
7 1 (0.76%) Relational Database
7 1 (0.76%) Riak
Development Applications
1 36 (27.48%) Grunt
2 34 (25.95%) gulp
3 33 (25.19%) Git (software)
4 30 (22.90%) Jasmine
5 29 (22.14%) Mocha
6 23 (17.56%) Selenium
7 19 (14.50%) Babel
7 19 (14.50%) Karma Test Runner
8 13 (9.92%) Jenkins
8 13 (9.92%) webpack
9 11 (8.40%) Subversion
10 7 (5.34%) Bitbucket
11 6 (4.58%) Gradle
11 6 (4.58%) PHPUnit
11 6 (4.58%) Xcode
12 5 (3.82%) Appcelerator Titanium
12 5 (3.82%) Calabash
12 5 (3.82%) Cucumber
12 5 (3.82%) JUnit
12 5 (3.82%) Maven
General
1 8 (6.11%) Games
2 5 (3.82%) Advertising
2 5 (3.82%) Billing
2 5 (3.82%) Finance
2 5 (3.82%) Marketing
3 2 (1.53%) Financial Institution
3 2 (1.53%) Legal
3 2 (1.53%) Publishing
4 1 (0.76%) Banking
4 1 (0.76%) Investment Banking
4 1 (0.76%) Multimedia
4 1 (0.76%) Retail
4 1 (0.76%) Retail Banking
Job Titles
1 107 (81.68%) Developer
2 55 (41.98%) JavaScript Developer
3 23 (17.56%) Front End Developer (Client-Side Developer)
3 23 (17.56%) Senior Developer
4 18 (13.74%) Node.js Developer
5 17 (12.98%) HTML Developer
6 15 (11.45%) Senior JavaScript Developer
7 13 (9.92%) HTML CSS Developer
8 11 (8.40%) Angular Developer
9 10 (7.63%) C# Developer
10 8 (6.11%) Java Developer
10 8 (6.11%) JavaScript Engineer
11 7 (5.34%) .NET Developer
11 7 (5.34%) C# .NET Developer
11 7 (5.34%) UI Developer
12 6 (4.58%) Android Developer
12 6 (4.58%) iOS Android Developer
12 6 (4.58%) iOS Developer
12 6 (4.58%) Senior Android Developer
12 6 (4.58%) Senior iOS Developer
Libraries, Frameworks & Software Standards
1 84 (64.12%) CSS
2 74 (56.49%) HTML
3 62 (47.33%) React
4 60 (45.80%) AngularJS
4 60 (45.80%) Node.js
5 58 (44.27%) HTML5
6 37 (28.24%) jQuery
7 33 (25.19%) CSS3
8 31 (23.66%) Web Services
9 30 (22.90%) RESTful
10 27 (20.61%) JSON
11 25 (19.08%) .NET
12 24 (18.32%) XML
13 22 (16.79%) DOM
14 19 (14.50%) Ember.js
14 19 (14.50%) Sass
15 14 (10.69%) LESS
15 14 (10.69%) React Native
16 13 (9.92%) ASP.NET
16 13 (9.92%) Spring Boot
Miscellaneous
1 28 (21.37%) User Experience
2 14 (10.69%) Computer Science
3 11 (8.40%) Mobile App
4 5 (3.82%) RIA
5 4 (3.05%) Data Structures
5 4 (3.05%) Enterprise Software
6 2 (1.53%) Management Information System
6 2 (1.53%) Smartphone
7 1 (0.76%) Analytical Skills
7 1 (0.76%) Data Centre
7 1 (0.76%) Fixed Income
7 1 (0.76%) NHS
7 1 (0.76%) Social Media
Operating Systems
1 28 (21.37%) Linux
2 11 (8.40%) Android
2 11 (8.40%) Apple iOS
2 11 (8.40%) Unix
2 11 (8.40%) Windows
3 10 (7.63%) Solaris
3 10 (7.63%) Windows 2000 Server
3 10 (7.63%) Windows Server
4 1 (0.76%) CentOS
4 1 (0.76%) Ubuntu
Processes & Methodologies
1 81 (61.83%) Agile Software Development
2 69 (52.67%) TDD
3 50 (38.17%) Software Engineering
4 47 (35.88%) OO
5 46 (35.11%) Web Development
6 27 (20.61%) MVC
7 26 (19.85%) Front End Development
8 24 (18.32%) Web Application Development
9 22 (16.79%) E-Commerce
10 21 (16.03%) Unit Testing
11 19 (14.50%) Scrum
12 18 (13.74%) Functional Testing
13 17 (12.98%) Open Source
14 16 (12.21%) Responsive Web Design
15 15 (11.45%) Mobile First
16 13 (9.92%) Low Latency
16 13 (9.92%) Microservices
17 12 (9.16%) Digital Transformation Programme
18 11 (8.40%) Automation Testing
19 10 (7.63%) Change Control
Programming Languages
1 131 (100.00%) JavaScript
2 91 (69.47%) ES6
3 44 (33.59%) Java
4 29 (22.14%) SQL
5 21 (16.03%) C#
6 18 (13.74%) PHP
7 11 (8.40%) Bash Shell
7 11 (8.40%) Clojure
7 11 (8.40%) Objective-C
7 11 (8.40%) TypeScript
8 10 (7.63%) VB
8 10 (7.63%) VB.NET
9 8 (6.11%) PL/SQL
10 7 (5.34%) Scala
10 7 (5.34%) VBScript
11 5 (3.82%) Apple Swift
12 4 (3.05%) Groovy
13 2 (1.53%) Erlang
13 2 (1.53%) Python
13 2 (1.53%) R
Qualifications
1 15 (11.45%) Degree
Quality Assurance & Compliance
1 9 (6.87%) QA
2 1 (0.76%) WAI
2 1 (0.76%) WCAG
System Software
1 12 (9.16%) Docker
Systems Management
1 1 (0.76%) Nagios
1 1 (0.76%) Opscode Chef
1 1 (0.76%) Puppet
Vendors
1 25 (19.08%) Oracle
2 11 (8.40%) Adobe
2 11 (8.40%) Red Hat
3 10 (7.63%) Microsoft
4 5 (3.82%) Appcelerator
4 5 (3.82%) Facebook
4 5 (3.82%) Google
4 5 (3.82%) Twitter
5 1 (0.76%) ION Trading
5 1 (0.76%) PagerDuty
5 1 (0.76%) SaltStack
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