Period
to 12 December 2017

The following table provides summary statistics for permanent job vacancies advertised in London with a requirement for ECMAScript skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited ECMAScript over the 6 months to 12 December 2017 with a comparison to the same period in the previous 2 years.

ECMAScript
England > London
6 months to
12 Dec 2017
Same period 2016 Same period 2015
Rank 761 767 873
Rank change year-on-year +6 +106 +6
Permanent jobs citing ECMAScript 85 76 38
As % of all permanent IT jobs advertised in London 0.11% 0.10% 0.043%
As % of the Programming Languages category 0.21% 0.19% 0.081%
Number of salaries quoted 75 71 37
London median annual salary £65,000 £65,000 £55,000
Median salary % change year-on-year - +18.18% +15.79%
10th Percentile £50,000 £38,750 £35,000
90th Percentile £82,500 £83,750 £69,750
England median annual salary £60,000 £60,000 £55,000
% change year-on-year - +9.09% +15.79%

ECMAScript 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 London with a requirement for coding skills.

All Programming Languages
London
Permanent vacancies with a requirement for coding skills 40725 40750 46850
As % of all permanent IT jobs advertised in London 54.96% 54.65% 53.55%
Number of salaries quoted 32625 35726 40640
London median annual salary £60,000 £57,500 £55,000
Median salary % change year-on-year +4.35% +4.55% +4.76%
10th Percentile £36,250 £35,000 £33,750
90th Percentile £90,000 £87,500 £85,000
England median annual salary £50,000 £47,500 £45,000
% change year-on-year +5.26% +5.56% -

ECMAScript
Job Vacancy Trend in London

Job postings citing ECMAScript as a percentage of all IT jobs advertised in London.

Job vacancy trend for ECMAScript in London

ECMAScript
Salary Trend in London

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

Salary trend for ECMAScript in London

ECMAScript
Salary Histogram in London

The salary distribution of IT jobs citing ECMAScript in London over the 6 months to 12 December 2017.

Salary histogram for ECMAScript in London

ECMAScript
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing ECMAScript within the London region over the 6 months to 12 December 2017. 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
Central London +14 11 £70,000 -12.50%
West London - 2 £72,500 -
ECMAScript
England

For the 6 months to 12 December 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 across the London region with a requirement for ECMAScript.

1 85 (100.00%) JavaScript
2 72 (84.71%) HTML
3 68 (80.00%) CSS
3 68 (80.00%) AngularJS
4 57 (67.06%) ES6
5 55 (64.71%) HTML5
6 45 (52.94%) Front End Development
7 43 (50.59%) React
8 40 (47.06%) Agile Software Development
9 39 (45.88%) CSS3
9 39 (45.88%) jQuery
10 38 (44.71%) OO
11 33 (38.82%) TDD
12 27 (31.76%) webpack
13 25 (29.41%) Node.js
14 21 (24.71%) JSON
14 21 (24.71%) Vue (Vue.js)
15 19 (22.35%) KnockoutJS
16 17 (20.00%) Jasmine
16 17 (20.00%) Scrum
17 16 (18.82%) Finance
18 15 (17.65%) LESS
18 15 (17.65%) Marketing
18 15 (17.65%) Redux
18 15 (17.65%) npm
19 14 (16.47%) Fintech
19 14 (16.47%) Angular 2
19 14 (16.47%) Unit Testing
19 14 (16.47%) SQL
20 13 (15.29%) Java

ECMAScript
Co-occurring IT Skills in London 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 6 (7.06%) CMS
2 5 (5.88%) Elasticsearch
3 3 (3.53%) Apache
3 3 (3.53%) Apache Solr
3 3 (3.53%) Jetty
3 3 (3.53%) Mule
3 3 (3.53%) Mule ESB
3 3 (3.53%) nginx
3 3 (3.53%) Tomcat
Cloud Services
1 15 (17.65%) npm
2 13 (15.29%) Amazon AWS
3 7 (8.24%) Microsoft Azure
4 5 (5.88%) GitHub
5 3 (3.53%) Google Analytics
5 3 (3.53%) Slack
5 3 (3.53%) Yarn
6 2 (2.35%) Firebase
6 2 (2.35%) OpenShift
Communications & Networking
1 10 (11.76%) Internet
2 1 (1.18%) HTTP
Database & Business Intelligence
1 13 (15.29%) MongoDB
1 13 (15.29%) NoSQL
2 10 (11.76%) MySQL
3 5 (5.88%) Redis
4 3 (3.53%) Amazon Redshift
4 3 (3.53%) Looker
5 2 (2.35%) Aerospike
Development Applications
1 27 (31.76%) webpack
2 17 (20.00%) Jasmine
3 13 (15.29%) Git (software)
3 13 (15.29%) gulp
4 11 (12.94%) Grunt
4 11 (12.94%) Jenkins
5 9 (10.59%) Karma Test Runner
5 9 (10.59%) Mocha
6 7 (8.24%) Babel
6 7 (8.24%) Maven
7 6 (7.06%) Bitbucket
8 5 (5.88%) Cucumber
8 5 (5.88%) Selenium
9 4 (4.71%) Ant
9 4 (4.71%) TeamCity
10 3 (3.53%) JUnit
10 3 (3.53%) Spock
10 3 (3.53%) Subversion
10 3 (3.53%) Vagrant
11 2 (2.35%) Sinon.JS
General
1 16 (18.82%) Finance
2 15 (17.65%) Marketing
3 11 (12.94%) Advertising
4 7 (8.24%) Retail
5 6 (7.06%) Banking
6 4 (4.71%) Investment Banking
6 4 (4.71%) Retail Banking
7 3 (3.53%) Front Office
8 2 (2.35%) Games
9 1 (1.18%) Telecoms
Job Titles
1 64 (75.29%) Developer
2 35 (41.18%) Front End Developer (Client-Side Developer)
3 31 (36.47%) JavaScript Developer
4 28 (32.94%) Angular Developer
5 24 (28.24%) Senior Developer
6 14 (16.47%) Senior Front-End Developer
7 7 (8.24%) Agile Developer
8 6 (7.06%) Software Engineer
9 4 (4.71%) Automation Engineer
9 4 (4.71%) Full Stack Developer
9 4 (4.71%) Head of Development
9 4 (4.71%) Java Developer
10 3 (3.53%) .NET Developer
10 3 (3.53%) Lead Developer
10 3 (3.53%) Senior .NET Developer
10 3 (3.53%) Senior Automation Engineer
10 3 (3.53%) Senior Full Stack Developer
10 3 (3.53%) Senior JavaScript Developer
10 3 (3.53%) Senior Software Engineer
11 2 (2.35%) UI Developer
Libraries, Frameworks & Software Standards
1 72 (84.71%) HTML
2 68 (80.00%) AngularJS
2 68 (80.00%) CSS
3 55 (64.71%) HTML5
4 43 (50.59%) React
5 39 (45.88%) CSS3
5 39 (45.88%) jQuery
6 25 (29.41%) Node.js
7 21 (24.71%) JSON
7 21 (24.71%) Vue (Vue.js)
8 19 (22.35%) KnockoutJS
9 15 (17.65%) LESS
9 15 (17.65%) Redux
10 14 (16.47%) Angular 2
11 10 (11.76%) REST
11 10 (11.76%) RESTful
12 8 (9.41%) Backbone.js
12 8 (9.41%) Sass
13 7 (8.24%) Jest
14 6 (7.06%) SignalR
Miscellaneous
1 14 (16.47%) Fintech
2 13 (15.29%) Greenfield Project
3 9 (10.59%) User Experience
4 4 (4.71%) Derivative
4 4 (4.71%) RIA
5 2 (2.35%) Data Structures
6 1 (1.18%) Mobile App
Operating Systems
1 8 (9.41%) Linux
2 3 (3.53%) Unix
Processes & Methodologies
1 45 (52.94%) Front End Development
2 40 (47.06%) Agile Software Development
3 38 (44.71%) OO
4 33 (38.82%) TDD
5 17 (20.00%) Scrum
6 14 (16.47%) Unit Testing
7 13 (15.29%) Software Engineering
8 11 (12.94%) Collaborative Working
8 11 (12.94%) Marketing Strategy
8 11 (12.94%) Software Delivery
9 10 (11.76%) Continuous Integration
9 10 (11.76%) Migration
9 10 (11.76%) Web Development
10 9 (10.59%) Cross-Browser Compatibility
11 8 (9.41%) E-Commerce
11 8 (9.41%) OOP
12 7 (8.24%) B2C
12 7 (8.24%) MVC
12 7 (8.24%) Transpiler
13 6 (7.06%) Push Notifications
Programming Languages
1 85 (100.00%) JavaScript
2 57 (67.06%) ES6
3 14 (16.47%) SQL
4 13 (15.29%) Java
5 6 (7.06%) TypeScript
6 5 (5.88%) C#
6 5 (5.88%) PHP
7 3 (3.53%) Groovy
7 3 (3.53%) PHP 5
7 3 (3.53%) PHP 7
8 2 (2.35%) Python
Qualifications
1 4 (4.71%) Degree
Quality Assurance & Compliance
1 1 (1.18%) WCAG
System Software
1 9 (10.59%) Docker
Systems Management
1 3 (3.53%) Hadoop YARN
2 2 (2.35%) Kubernetes
Vendors
1 5 (5.88%) Google
2 4 (4.71%) Capita
2 4 (4.71%) Oracle
3 3 (3.53%) Microsoft
4 1 (1.18%) Qubit