Period
to 23 November 2017

The following table provides summary statistics for contract job vacancies advertised in England with a requirement for ECMAScript skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited ECMAScript over the 6 months to 23 November 2017 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

ECMAScript
UK > England
6 months to
23 Nov 2017
Same period 2016 Same period 2015
Rank 748 812 819
Rank change year-on-year +64 +7 +27
Contract jobs citing ECMAScript 109 61 52
As % of all contract IT jobs advertised in England 0.11% 0.062% 0.050%
As % of the Programming Languages category 0.27% 0.15% 0.13%
Number of daily rates quoted 88 39 37
England median daily rate £403 £450 £450
Median daily rate % change year-on-year -10.56% - +50.00%
10th Percentile £358 £310 £292
90th Percentile £538 £580 £553
UK median daily rate £420 £425 £450
% change year-on-year -1.18% -5.56% +50.00%
Number of hourly rates quoted 0 0 0
England median hourly rate - - -
UK median hourly rate - - -

ECMAScript is in the Programming Languages category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in England with a requirement for coding skills.

All Programming Languages
England
Contract vacancies with a requirement for coding skills 39982 39599 40257
As % of all contract IT jobs advertised in England 42.15% 40.49% 38.76%
Number of daily rates quoted 28189 27431 27566
England median daily rate £463 £425 £413
Median daily rate % change year-on-year +8.82% +3.03% +3.13%
10th Percentile £310 £288 £275
90th Percentile £638 £594 £600
UK median daily rate £450 £425 £400
% change year-on-year +5.88% +6.25% -
Number of hourly rates quoted 752 819 951
England median hourly rate £40.00 £37.50 £37.50
Median hourly rate % change year-on-year +6.67% - +21.95%
10th Percentile £16.25 £14.56 £14.13
90th Percentile £52.50 £51.71 £50.00
UK median hourly rate £40.00 £37.50 £37.45
% change year-on-year +6.67% +0.13% +20.81%

ECMAScript
Job Vacancy Trend in England

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

Job vacancy trend for ECMAScript in England

ECMAScript
Contractor Daily Rate Trend in England

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing ECMAScript in England.

Contractor daily rate trend for ECMAScript in England

ECMAScript
Contractor Daily Rate Histogram in England

The daily rate distribution of IT jobs citing ECMAScript in England over the 6 months to 23 November 2017.

Contractor daily rate histogram for ECMAScript in England

ECMAScript
Contract Job Locations in England

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing ECMAScript within the England region over the 6 months to 23 November 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
London -5 53 £485 +4.86% 3
South East +42 39 £365 -3.31% 5
North of England +64 10 £425 -5.56% 1
North West +25 6 £420 +5.00%
Yorkshire +21 4 £450 - 1
South West -6 3 £391 +4.33%
Midlands +26 2 £325 -
East Midlands -7 2 £325 -
East of England -20 2 £400 -1.54%
ECMAScript
UK

For the 6 months to 23 November 2017, IT contractor jobs citing ECMAScript also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the England region with a requirement for ECMAScript.

1 109 (100.00%) JavaScript
2 87 (79.82%) CSS
3 80 (73.39%) HTML
4 70 (64.22%) ES6
5 69 (63.30%) HTML5
6 68 (62.39%) Agile Software Development
7 57 (52.29%) npm
8 56 (51.38%) webpack
9 55 (50.46%) AngularJS
10 53 (48.62%) Node.js
11 52 (47.71%) CSS3
12 49 (44.95%) Front End Development
13 48 (44.04%) React
14 45 (41.28%) Sass
15 43 (39.45%) gulp
16 42 (38.53%) Scrum
17 40 (36.70%) JSON
17 40 (36.70%) Redux
18 33 (30.28%) TDD
18 33 (30.28%) Twitter Bootstrap
19 30 (27.52%) Git (software)
20 29 (26.61%) Test Automation
20 29 (26.61%) RESTful
20 29 (26.61%) BDD
20 29 (26.61%) REST
21 28 (25.69%) Babel
22 26 (23.85%) Karma Test Runner
23 24 (22.02%) Jasmine
24 23 (21.10%) WebSockets
24 23 (21.10%) React Native

ECMAScript
Co-occurring IT Skills in England 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 8 (7.34%) CMS
2 3 (2.75%) Elasticsearch
2 3 (2.75%) NServiceBus
3 2 (1.83%) SAS
4 1 (0.92%) CICS
4 1 (0.92%) JBoss
4 1 (0.92%) WebSphere
4 1 (0.92%) WildFly
Applications
1 7 (6.42%) Photoshop
2 6 (5.50%) Adobe Illustrator
3 2 (1.83%) OmniGraffle
Business Applications
1 2 (1.83%) SDL Web 8
Cloud Services
1 57 (52.29%) npm
2 19 (17.43%) SaaS
3 10 (9.17%) Firebase
4 3 (2.75%) Amazon AWS
5 2 (1.83%) AWS Elastic Beanstalk
5 2 (1.83%) GitHub
5 2 (1.83%) Microsoft Azure
6 1 (0.92%) Linode
Communications & Networking
1 9 (8.26%) HTTP
2 6 (5.50%) Internet
Database & Business Intelligence
1 5 (4.59%) SQLite
2 4 (3.67%) MongoDB
2 4 (3.67%) Relational Database
3 3 (2.75%) Aerospike
3 3 (2.75%) MySQL
3 3 (2.75%) NoSQL
4 2 (1.83%) PostgreSQL
4 2 (1.83%) RDBMS
4 2 (1.83%) SQL Server
5 1 (0.92%) DB2
5 1 (0.92%) SQL Server 2012
5 1 (0.92%) SQL Server Integration Services
Development Applications
1 56 (51.38%) webpack
2 43 (39.45%) gulp
3 30 (27.52%) Git (software)
4 28 (25.69%) Babel
5 26 (23.85%) Karma Test Runner
6 24 (22.02%) Jasmine
7 19 (17.43%) Protractor
8 13 (11.93%) PostCSS
9 12 (11.01%) Grunt
10 11 (10.09%) Bower
11 10 (9.17%) JIRA
12 6 (5.50%) Mercurial
12 6 (5.50%) Mocha
13 4 (3.67%) Gradle
14 3 (2.75%) Jenkins
14 3 (2.75%) JSUnit
14 3 (2.75%) NUnit
14 3 (2.75%) SpecFlow
14 3 (2.75%) Visual Studio
14 3 (2.75%) Visual Studio Team System
General
1 10 (9.17%) Finance
2 3 (2.75%) Games
3 2 (1.83%) Banking
3 2 (1.83%) Marketing
3 2 (1.83%) Retail
4 1 (0.92%) Electronics
4 1 (0.92%) Manufacturing
4 1 (0.92%) Retail Banking
4 1 (0.92%) Telecoms
Job Titles
1 96 (88.07%) Developer
2 31 (28.44%) JavaScript Developer
3 28 (25.69%) Front End Developer (Client-Side Developer)
4 22 (20.18%) Senior Developer
5 13 (11.93%) Android Developer
6 10 (9.17%) Senior JavaScript Developer
7 7 (6.42%) .NET Developer
7 7 (6.42%) Angular Developer
7 7 (6.42%) Node.js Developer
8 6 (5.50%) Senior Android Developer
9 5 (4.59%) Applications Developer
9 5 (4.59%) Senior Applications Developer
9 5 (4.59%) Test Engineer
10 4 (3.67%) Full Stack Developer
10 4 (3.67%) HTML Developer
10 4 (3.67%) Senior Front-End Developer
11 3 (2.75%) Agile Developer
11 3 (2.75%) Mobile Developer
11 3 (2.75%) Senior .NET Developer
11 3 (2.75%) Senior Full Stack Developer
Libraries, Frameworks & Software Standards
1 87 (79.82%) CSS
2 80 (73.39%) HTML
3 69 (63.30%) HTML5
4 55 (50.46%) AngularJS
5 53 (48.62%) Node.js
6 52 (47.71%) CSS3
7 48 (44.04%) React
8 45 (41.28%) Sass
9 40 (36.70%) JSON
9 40 (36.70%) Redux
10 33 (30.28%) Twitter Bootstrap
11 29 (26.61%) REST
11 29 (26.61%) RESTful
12 23 (21.10%) .NET
12 23 (21.10%) React Native
12 23 (21.10%) WebSockets
13 20 (18.35%) jQuery
14 17 (15.60%) ASP.NET
15 13 (11.93%) Ionic Framework
16 11 (10.09%) KnockoutJS
Miscellaneous
1 21 (19.27%) User Experience
2 20 (18.35%) Computer Science
3 10 (9.17%) Mobile App
4 8 (7.34%) Data Structures
5 7 (6.42%) Greenfield Project
6 6 (5.50%) Fintech
7 2 (1.83%) Graphic Design
7 2 (1.83%) iPad
7 2 (1.83%) Smartphone
7 2 (1.83%) W3C
8 1 (0.92%) Mainframe
8 1 (0.92%) Smart Home
8 1 (0.92%) Smart Meter
8 1 (0.92%) Video\Live Streaming
Operating Systems
1 18 (16.51%) Android
2 5 (4.59%) Apple iOS
2 5 (4.59%) Unix
3 2 (1.83%) Linux
4 1 (0.92%) zOS
Processes & Methodologies
1 68 (62.39%) Agile Software Development
2 49 (44.95%) Front End Development
3 42 (38.53%) Scrum
4 33 (30.28%) TDD
5 29 (26.61%) BDD
5 29 (26.61%) Test Automation
6 22 (20.18%) Unit Testing
7 21 (19.27%) Open Source
8 19 (17.43%) Continuous Integration
8 19 (17.43%) CRM
9 17 (15.60%) Web Development
10 14 (12.84%) Android Development
11 13 (11.93%) MVC
12 12 (11.01%) Dependency Management
12 12 (11.01%) Performance Optimisation
13 11 (10.09%) Change Management
13 11 (10.09%) Wireframes
14 10 (9.17%) Software Engineering
14 10 (9.17%) Web Application Development
15 9 (8.26%) DOM Manipulation/Scripting
Programming Languages
1 109 (100.00%) JavaScript
2 70 (64.22%) ES6
3 19 (17.43%) Java
4 18 (16.51%) C#
5 14 (12.84%) TypeScript
6 11 (10.09%) Python
7 10 (9.17%) Bash Shell
8 3 (2.75%) T-SQL
9 2 (1.83%) Dart
10 1 (0.92%) COBOL
10 1 (0.92%) Groovy
10 1 (0.92%) PHP
10 1 (0.92%) Ruby
10 1 (0.92%) Scala
10 1 (0.92%) VB.NET
Qualifications
1 20 (18.35%) Degree
2 19 (17.43%) Computer Science Degree
3 2 (1.83%) OCPJP
3 2 (1.83%) Security Cleared
4 1 (0.92%) CESG Certified Professional
4 1 (0.92%) CISSP
4 1 (0.92%) SC Cleared
Vendors
1 19 (17.43%) Twitter
2 10 (9.17%) Atlassian
3 8 (7.34%) Microsoft
4 1 (0.92%) SAP
4 1 (0.92%) Zend