Period
to 19 October 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 19 October 2017 with a comparison to the same period in the previous 2 years.

ECMAScript
England > London
6 months to
19 Oct 2017
Same period 2016 Same period 2015
Rank 726 752 908
Rank change year-on-year +26 +156 -14
Permanent jobs citing ECMAScript 103 93 25
As % of all permanent IT jobs advertised in London 0.14% 0.12% 0.028%
As % of the Programming Languages category 0.25% 0.22% 0.053%
Number of salaries quoted 91 85 24
London median annual salary £65,000 £65,000 £57,500
Median salary % change year-on-year - +13.04% +32.18%
10th Percentile £52,500 £40,000 £36,500
90th Percentile £82,500 £83,250 £66,250
England median annual salary £63,750 £60,000 £57,500
% change year-on-year +6.25% +4.35% +36.09%

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 40932 41994 47359
As % of all permanent IT jobs advertised in London 55.14% 54.46% 53.13%
Number of salaries quoted 32312 36954 40731
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 £86,250 £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 19 October 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 19 October 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 +51 18 £70,000 -12.50% 1
West London - 2 £72,500 - 1
ECMAScript
England

For the 6 months to 19 October 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.

1 103 (100.00%) JavaScript
2 84 (81.55%) HTML
3 83 (80.58%) ES6
4 78 (75.73%) CSS
5 72 (69.90%) HTML5
5 72 (69.90%) AngularJS
6 60 (58.25%) Front End Development
7 56 (54.37%) jQuery
8 53 (51.46%) CSS3
9 49 (47.57%) React
9 49 (47.57%) OO
10 41 (39.81%) JSON
11 38 (36.89%) KnockoutJS
12 37 (35.92%) Web Development
12 37 (35.92%) Agile Software Development
13 35 (33.98%) Software Engineering
13 35 (33.98%) LESS
14 33 (32.04%) TDD
15 32 (31.07%) Internet
16 31 (30.10%) Unit Testing
17 29 (28.16%) REST
18 28 (27.18%) Backbone.js
19 27 (26.21%) Node.js
19 27 (26.21%) Cross-Browser Compatibility
19 27 (26.21%) MVC
20 26 (25.24%) MVVM
20 26 (25.24%) Ajax
20 26 (25.24%) Push Notifications
20 26 (25.24%) WebSockets
20 26 (25.24%) SignalR

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 16 (15.53%) CMS
2 7 (6.80%) Elasticsearch
3 6 (5.83%) Apache
4 4 (3.88%) Jetty
4 4 (3.88%) Mule
4 4 (3.88%) Mule ESB
4 4 (3.88%) Tomcat
5 3 (2.91%) Apache Solr
5 3 (2.91%) nginx
Cloud Services
1 22 (21.36%) Amazon AWS
2 15 (14.56%) npm
3 14 (13.59%) Microsoft Azure
4 7 (6.80%) GitHub
5 3 (2.91%) Google Analytics
5 3 (2.91%) Slack
5 3 (2.91%) Yarn
6 2 (1.94%) Firebase
6 2 (1.94%) OpenShift
Communications & Networking
1 32 (31.07%) Internet
2 1 (0.97%) HTTP
Database & Business Intelligence
1 15 (14.56%) MySQL
2 8 (7.77%) MongoDB
2 8 (7.77%) NoSQL
3 5 (4.85%) Redis
4 4 (3.88%) Amazon Redshift
4 4 (3.88%) Looker
5 3 (2.91%) RDBMS
5 3 (2.91%) Relational Database
5 3 (2.91%) SQL Server
6 2 (1.94%) Aerospike
Development Applications
1 22 (21.36%) Jasmine
2 20 (19.42%) webpack
3 13 (12.62%) Git (software)
3 13 (12.62%) Karma Test Runner
4 12 (11.65%) gulp
5 10 (9.71%) Grunt
6 9 (8.74%) Jenkins
6 9 (8.74%) JUnit
6 9 (8.74%) Mocha
7 8 (7.77%) Cucumber
8 7 (6.80%) Maven
9 6 (5.83%) Babel
9 6 (5.83%) Bitbucket
9 6 (5.83%) Selenium
10 4 (3.88%) Ant
10 4 (3.88%) Spock
10 4 (3.88%) TeamCity
11 3 (2.91%) Subversion
11 3 (2.91%) Vagrant
12 2 (1.94%) Sinon.JS
General
1 17 (16.50%) Retail
2 14 (13.59%) Finance
3 9 (8.74%) Marketing
4 8 (7.77%) Banking
5 6 (5.83%) Advertising
5 6 (5.83%) Investment Banking
5 6 (5.83%) Retail Banking
6 3 (2.91%) Front Office
6 3 (2.91%) Games
6 3 (2.91%) Publishing
7 1 (0.97%) Telecoms
Job Titles
1 77 (74.76%) Developer
2 45 (43.69%) Senior Developer
3 39 (37.86%) Front End Developer (Client-Side Developer)
4 23 (22.33%) Senior Front-End Developer
5 22 (21.36%) JavaScript Developer
6 16 (15.53%) Full Stack Developer
7 15 (14.56%) Angular Developer
8 13 (12.62%) .NET Developer
8 13 (12.62%) Senior .NET Developer
8 13 (12.62%) Senior Full Stack Developer
9 5 (4.85%) Senior JavaScript Developer
9 5 (4.85%) Software Engineer
10 4 (3.88%) Automation Engineer
10 4 (3.88%) Head of Development
10 4 (3.88%) Java Developer
10 4 (3.88%) Node.js Developer
11 3 (2.91%) Java Programmer
11 3 (2.91%) Programmer
11 3 (2.91%) Senior Automation Engineer
11 3 (2.91%) Senior Software Engineer
Libraries, Frameworks & Software Standards
1 84 (81.55%) HTML
2 78 (75.73%) CSS
3 72 (69.90%) AngularJS
3 72 (69.90%) HTML5
4 56 (54.37%) jQuery
5 53 (51.46%) CSS3
6 49 (47.57%) React
7 41 (39.81%) JSON
8 38 (36.89%) KnockoutJS
9 35 (33.98%) LESS
10 29 (28.16%) REST
11 28 (27.18%) Backbone.js
12 27 (26.21%) Node.js
13 26 (25.24%) Ajax
13 26 (25.24%) SignalR
13 26 (25.24%) WebSockets
14 25 (24.27%) Middleware
15 16 (15.53%) .NET
15 16 (15.53%) ASP.NET
15 16 (15.53%) Vue (Vue.js)
Miscellaneous
1 16 (15.53%) User Experience
2 13 (12.62%) Greenfield Project
3 7 (6.80%) RIA
4 6 (5.83%) Fintech
5 4 (3.88%) Derivative
6 2 (1.94%) Data Structures
6 2 (1.94%) Fixed Income
7 1 (0.97%) Enterprise Software
7 1 (0.97%) Mobile App
Operating Systems
1 10 (9.71%) Linux
2 3 (2.91%) Android
2 3 (2.91%) Apple iOS
2 3 (2.91%) Unix
Processes & Methodologies
1 60 (58.25%) Front End Development
2 49 (47.57%) OO
3 37 (35.92%) Agile Software Development
3 37 (35.92%) Web Development
4 35 (33.98%) Software Engineering
5 33 (32.04%) TDD
6 31 (30.10%) Unit Testing
7 27 (26.21%) Cross-Browser Compatibility
7 27 (26.21%) MVC
8 26 (25.24%) MVVM
8 26 (25.24%) Push Notifications
9 25 (24.27%) OOP
10 17 (16.50%) Test Automation
11 15 (14.56%) Content Management
11 15 (14.56%) E-Commerce
12 13 (12.62%) Dependency Injection
13 12 (11.65%) Scrum
14 9 (8.74%) Continuous Integration
15 8 (7.77%) Microservices
16 7 (6.80%) Software Delivery
Programming Languages
1 103 (100.00%) JavaScript
2 83 (80.58%) ES6
3 18 (17.48%) Java
4 15 (14.56%) C#
5 12 (11.65%) SQL
6 5 (4.85%) PHP
6 5 (4.85%) TypeScript
7 4 (3.88%) Groovy
8 3 (2.91%) PHP 5
8 3 (2.91%) PHP 7
9 2 (1.94%) Bash Shell
9 2 (1.94%) Clojure
Qualifications
1 2 (1.94%) Degree
Quality Assurance & Compliance
1 1 (0.97%) WCAG
System Software
1 9 (8.74%) Docker
Systems Management
1 3 (2.91%) Hadoop YARN
2 2 (1.94%) Kubernetes
Vendors
1 13 (12.62%) Microsoft
2 10 (9.71%) Oracle
3 5 (4.85%) Google
4 2 (1.94%) Adobe
4 2 (1.94%) Capita
4 2 (1.94%) ION Trading