The following table provides summary statistics for contract job vacancies with a requirement for ECMAScript skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited ECMAScript over the 3 months to 22 June 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
3 months to
22 Jun 2017
Same period 2016 Same period 2015
Rank 581 593 637
Rank change year-on-year +12 +44  
Contract jobs citing ECMAScript 34 52 6
As % of all contract IT jobs advertised in the UK 0.073% 0.096% 0.011%
As % of the Programming Languages category 0.17% 0.25% 0.028%
Number of daily rates quoted 26 40 2
Median daily rate £433 £450 £340
Median daily rate % change year-on-year -3.88% +32.35%  
UK excluding London median daily rate £425 £450 £340
% change year-on-year -5.55% +32.35%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

ECMAScript is in the programming language skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies with a requirement for programming language skills.

Contract Programming Language Skills
UK
Contract job vacancies with a requirement for programming language skills 19697 20912 21353
As % of all contract IT job vacancies advertised in the UK 42.02% 38.78% 37.98%
Number of daily rates quoted 13450 14393 14265
Median daily rate £450 £425 £400
Median daily rate % change year-on-year +5.88% +6.25%  
90% offered a daily rate of more than £320 £300 £275
10% offered a daily rate of more than £600 £575 £575
UK excluding London median daily rate £400 £375 £350
% change year-on-year +6.66% +7.14%  
Number of hourly rates quoted 397 449 441
Median hourly rate £42.00 £37.50 £35.50
Median hourly rate % change year-on-year +12.00% +5.63%  
90% offered a hourly rate of more than £21.20 £14.95 £19.00
10% offered a hourly rate of more than £50.55 £48.50 £50.65
UK excluding London median hourly rate £42.50 £37.00 £36.00
% change year-on-year +14.86% +2.77%  

ECMAScript
Job Vacancy Trend

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

Job vacancy trend for ECMAScript in the UK

ECMAScript
Contractor Daily Rate Trend

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

Contractor daily rate trend for ECMAScript in the UK

ECMAScript
Contractor Daily Rate Histogram

The daily rate distribution of IT jobs citing ECMAScript over the 3 months to 22 June 2017.

Contractor daily rate histogram for ECMAScript in the UK

ECMAScript
Top 17 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing ECMAScript within the UK over the 3 months to 22 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
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
England +29 34 £433 -3.88% 8
London +2 15 £450 -10.00% 4
South East - 7 £365 - 1
Yorkshire +22 6 £458 +1.66% 1
West Yorkshire +18 6 £458 +1.66% 1
Leeds +8 6 £458 +1.66% 1
North West - 5 £425 -
Merseyside - 5 £425 -
Berkshire - 4 - - 1
Reading - 4 - - 1
Liverpool - 4 £425 -
Surrey - 3 £365 -
Leatherhead - 3 £365 -
Cambridge +8 1 £400 +5.26% 1
City of London +1 1 - - 2
Cambridgeshire -2 1 £400 +5.26% 1
East of England -6 1 £400 +5.26% 1

For the 6 months to 22 June 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 with a requirement for ECMAScript.

1 68 (100.00%) JavaScript
2 59 (86.76%) CSS
3 54 (79.41%) HTML
4 49 (72.06%) Agile Software Development
5 43 (63.24%) CSS3
6 41 (60.29%) HTML5
7 36 (52.94%) Node.js
8 33 (48.53%) TDD
9 32 (47.06%) ES6
10 31 (45.59%) gulp
11 29 (42.65%) AngularJS
12 27 (39.71%) React
13 25 (36.76%) jQuery
14 24 (35.29%) BDD
15 23 (33.82%) Sass
16 22 (32.35%) REST
17 21 (30.88%) JSON
17 21 (30.88%) Java
18 18 (26.47%) Software Engineering
18 18 (26.47%) Front End Development
19 17 (25.00%) Redux
19 17 (25.00%) Scrum
20 16 (23.53%) Unit Testing
20 16 (23.53%) Grunt
21 14 (20.59%) Twitter Bootstrap
21 14 (20.59%) User Experience
21 14 (20.59%) Unix
21 14 (20.59%) Linux
22 13 (19.12%) Git (software)
22 13 (19.12%) Web Development

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 4 (5.88%) CMS
2 3 (4.41%) NServiceBus
3 1 (1.47%) Adobe Experience Manager
3 1 (1.47%) Elasticsearch
3 1 (1.47%) Liferay
3 1 (1.47%) SAS
3 1 (1.47%) SharePoint
3 1 (1.47%) SharePoint 2013
Applications
1 11 (16.18%) Photoshop
2 3 (4.41%) Adobe Illustrator
2 3 (4.41%) OmniGraffle
3 1 (1.47%) InfoPath
3 1 (1.47%) Microsoft Office
Business Applications
1 3 (4.41%) SDL Web 8
Cloud Services
1 9 (13.24%) Amazon AWS
2 4 (5.88%) AWS Elastic Beanstalk
3 3 (4.41%) Microsoft Azure
4 2 (2.94%) SaaS
5 1 (1.47%) GitHub
Communications & Networking
1 4 (5.88%) Internet
2 1 (1.47%) Intranet
Database & Business Intelligence
1 5 (7.35%) Redis
2 4 (5.88%) MySQL
3 2 (2.94%) MongoDB
3 2 (2.94%) SQL Server
4 1 (1.47%) Aerospike
4 1 (1.47%) CouchDB
4 1 (1.47%) Relational Database
Development Applications
1 31 (45.59%) gulp
2 16 (23.53%) Grunt
3 13 (19.12%) Git (software)
3 13 (19.12%) Jenkins
4 11 (16.18%) Mocha
4 11 (16.18%) webpack
5 9 (13.24%) Babel
5 9 (13.24%) Jasmine
6 8 (11.76%) Selenium
7 6 (8.82%) Cucumber
7 6 (8.82%) Maven
7 6 (8.82%) PhantomJS
8 5 (7.35%) Gradle
8 5 (7.35%) JIRA
8 5 (7.35%) JSHint
8 5 (7.35%) Mockito
8 5 (7.35%) SonarQube
8 5 (7.35%) Spock
8 5 (7.35%) TeamCity
8 5 (7.35%) WebDriver
General
1 6 (8.82%) Banking
2 5 (7.35%) Finance
3 1 (1.47%) Games
Job Titles
1 64 (94.12%) Developer
2 16 (23.53%) JavaScript Developer
3 14 (20.59%) Front End Developer (Client-Side Developer)
4 12 (17.65%) Senior Developer
5 7 (10.29%) Node.js Developer
5 7 (10.29%) PHP Developer
5 7 (10.29%) Web Developer
6 5 (7.35%) .NET Developer
6 5 (7.35%) Agile Developer
6 5 (7.35%) Angular Developer
6 5 (7.35%) Full Stack Developer
6 5 (7.35%) Java Developer
7 4 (5.88%) Senior Front-End Developer
7 4 (5.88%) Senior Web Developer
7 4 (5.88%) Software Engineer
8 3 (4.41%) Mobile Developer
9 2 (2.94%) Agile .NET Developer
9 2 (2.94%) Agile C# Developer
9 2 (2.94%) C# WCF Developer
9 2 (2.94%) WCF Developer
Libraries, Frameworks & Software Standards
1 59 (86.76%) CSS
2 54 (79.41%) HTML
3 43 (63.24%) CSS3
4 41 (60.29%) HTML5
5 36 (52.94%) Node.js
6 29 (42.65%) AngularJS
7 27 (39.71%) React
8 25 (36.76%) jQuery
9 23 (33.82%) Sass
10 22 (32.35%) REST
11 21 (30.88%) JSON
12 17 (25.00%) Redux
13 14 (20.59%) Twitter Bootstrap
14 12 (17.65%) Web Services
15 11 (16.18%) Ajax
16 10 (14.71%) XML
17 9 (13.24%) Hibernate
17 9 (13.24%) React Native
18 8 (11.76%) RESTful
19 7 (10.29%) LESS
Miscellaneous
1 14 (20.59%) User Experience
2 10 (14.71%) Mobile App
3 5 (7.35%) Foreign Exchange (FX)
3 5 (7.35%) Linux Command Line
4 3 (4.41%) Graphic Design
4 3 (4.41%) Greenfield Project
5 2 (2.94%) Data Structures
6 1 (1.47%) Clustering
6 1 (1.47%) Computer Science
6 1 (1.47%) Digital Media
6 1 (1.47%) Smart Energy
6 1 (1.47%) Smartphone
6 1 (1.47%) Taxonomies
6 1 (1.47%) W3C
Operating Systems
1 14 (20.59%) Linux
1 14 (20.59%) Unix
2 1 (1.47%) Windows
Processes & Methodologies
1 49 (72.06%) Agile Software Development
2 33 (48.53%) TDD
3 24 (35.29%) BDD
4 18 (26.47%) Front End Development
4 18 (26.47%) Software Engineering
5 17 (25.00%) Scrum
6 16 (23.53%) Unit Testing
7 13 (19.12%) Web Development
8 12 (17.65%) MVC
8 12 (17.65%) Test Automation
9 10 (14.71%) Workflow
10 8 (11.76%) SOA
11 7 (10.29%) Digital Transformation Programme
11 7 (10.29%) OO
11 7 (10.29%) Responsive Web Design
12 6 (8.82%) OOP
12 6 (8.82%) Refactoring
12 6 (8.82%) Regression Testing
13 5 (7.35%) Content Management
13 5 (7.35%) Investment Management
Programming Languages
1 68 (100.00%) JavaScript
2 32 (47.06%) ES6
3 21 (30.88%) Java
4 10 (14.71%) Python
4 10 (14.71%) TypeScript
5 8 (11.76%) SQL
6 7 (10.29%) PHP
7 6 (8.82%) C#
7 6 (8.82%) Groovy
7 6 (8.82%) Ruby
7 6 (8.82%) Scala
8 5 (7.35%) Korn
8 5 (7.35%) Shell Script
8 5 (7.35%) XPath
9 3 (4.41%) Dart
9 3 (4.41%) PL/SQL
9 3 (4.41%) T-SQL
Qualifications
1 6 (8.82%) Degree
2 4 (5.88%) OCPJP
3 1 (1.47%) BPSS Clearance
3 1 (1.47%) Computer Science Degree
3 1 (1.47%) MOS
3 1 (1.47%) Security Cleared
Quality Assurance & Compliance
1 5 (7.35%) FATCA
2 2 (2.94%) QA
3 1 (1.47%) Disclosure Scotland
Vendors
1 6 (8.82%) Zend
2 5 (7.35%) Solace
3 3 (4.41%) Microsoft
3 3 (4.41%) Twitter
4 2 (2.94%) Adobe
Lake, Wiltshire
Westhouse Consulting GmbH
Posted: 2 days ago
City, London
ANSON MCCADE
Rate: £450 - £550
Posted: 3 days ago
Cambridge, Cambridgeshire
Harvey Nash plc
Posted: Yesterday
Glasgow, Lanarkshire
People Source Consulting
Rate: £450 - £550 per day
Posted: 6 days ago
Reading
Spectrum IT
Rate: negotiable
Posted: 10 days ago