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 23 March 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.

3 months to
23 Mar 2017
Same period 2016 Same period 2015
ECMAScript
UK
Rank 565 581 618
Rank change year-on-year +16 +37  
Contract jobs citing ECMAScript 34 47 3
As % of all contract IT jobs advertised in the UK 0.076% 0.089% 0.006%
As % of the Programming Languages category 0.18% 0.23% 0.015%
Number of daily rates quoted 23 35 1
Median daily rate £450 £450 £350
Median daily rate % change year-on-year - +28.57%  
UK excluding London median daily rate £400 £450 £350
% change year-on-year -11.11% +28.57%  
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 18402 20107 19464
As % of all contract IT job vacancies advertised in the UK 41.15% 38.07% 37.17%
Number of daily rates quoted 12646 13719 12607
Median daily rate £438 £425 £400
Median daily rate % change year-on-year +2.94% +6.25%  
90% offered a daily rate of more than £300 £300 £275
10% offered a daily rate of more than £600 £600 £563
UK excluding London median daily rate £390 £375 £350
% change year-on-year +4.00% +7.14%  
Number of hourly rates quoted 422 480 399
Median hourly rate £42.50 £40.00 £35.50
Median hourly rate % change year-on-year +6.25% +12.67%  
90% offered a hourly rate of more than £20.00 £15.00 £20.00
10% offered a hourly rate of more than £54.10 £50.00 £45.00
UK excluding London median hourly rate £41.64 £40.00 £36.00
% change year-on-year +4.10% +11.11%  

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 23 March 2017.

Contractor daily rate histogram for ECMAScript in the UK

ECMAScript
Top 25 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 23 March 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 +19 31 £463 +2.77% 16
London +11 17 £500 -3.38% 11
Birmingham - 5 £450 - 1
West Midlands - 5 £450 - 1
City of London +8 3 £525 +5.00% 2
Buckinghamshire - 3 £363 -
County Antrim - 3 £400 -
Belfast - 3 £400 -
Milton Keynes - 3 £363 -
Northern Ireland - 3 £400 -
South East - 3 £363 - 1
Cambridge +8 2 - -
Cambridgeshire +3 2 - -
Yorkshire +2 2 - - 1
East of England -8 2 - -
South West 0 1 - - 1
Leeds -3 1 - - 1
Bradford -3 1 - -
West Yorkshire -4 1 - - 1
East Midlands -7 1 £400 -11.11%
Leicestershire -11 1 £400 -11.11%
Leicester -12 1 £400 -11.11%
Sheffield - 1 - -
Bristol - 1 - -
South Yorkshire - 1 - -

ECMAScript
Top 30 Related IT Skills

For the 6 months to 23 March 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 52 (100.00%) JavaScript
2 38 (73.08%) HTML
2 38 (73.08%) CSS
3 33 (63.46%) HTML5
4 31 (59.62%) ES6
4 31 (59.62%) Agile Software Development
5 27 (51.92%) CSS3
6 26 (50.00%) AngularJS
7 25 (48.08%) Node.js
8 23 (44.23%) React
9 21 (40.38%) TDD
10 18 (34.62%) Java
11 17 (32.69%) gulp
12 16 (30.77%) jQuery
13 15 (28.85%) Git (software)
13 15 (28.85%) BDD
14 14 (26.92%) Sass
15 13 (25.00%) Front End Development
15 13 (25.00%) Banking
15 13 (25.00%) XML
15 13 (25.00%) Linux
16 12 (23.08%) SQL
16 12 (23.08%) Scrum
17 11 (21.15%) Hibernate
17 11 (21.15%) JSON
17 11 (21.15%) Unix
17 11 (21.15%) Finance
17 11 (21.15%) TypeScript
17 11 (21.15%) REST
18 10 (19.23%) Jenkins

ECMAScript
Top Related 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 2 (3.85%) Adobe Experience Manager
1 2 (3.85%) Elasticsearch
2 1 (1.92%) Apache
2 1 (1.92%) Liferay
2 1 (1.92%) LiveCycle
2 1 (1.92%) SharePoint
2 1 (1.92%) SharePoint 2013
Applications
1 6 (11.54%) Photoshop
2 2 (3.85%) Adobe Illustrator
2 2 (3.85%) OmniGraffle
3 1 (1.92%) InfoPath
3 1 (1.92%) MS Excel
3 1 (1.92%) MS Office
Business Applications
1 2 (3.85%) SDL Web 8
Cloud Services
1 4 (7.69%) Amazon AWS
2 2 (3.85%) Microsoft Azure
3 1 (1.92%) GitHub
Communications & Networking
1 1 (1.92%) Intranet
1 1 (1.92%) SMTP
Database & Business Intelligence
1 6 (11.54%) Redis
2 3 (5.77%) Big Data
2 3 (5.77%) SQL Server
3 2 (3.85%) Hadoop
3 2 (3.85%) MongoDB
3 2 (3.85%) Relational Database
4 1 (1.92%) CouchDB
4 1 (1.92%) Jackrabbit
4 1 (1.92%) MySQL
4 1 (1.92%) RDBMS
Development Applications
1 17 (32.69%) gulp
2 15 (28.85%) Git (software)
3 10 (19.23%) Jenkins
4 9 (17.31%) Babel
5 8 (15.38%) Grunt
5 8 (15.38%) Jasmine
5 8 (15.38%) JIRA
5 8 (15.38%) Maven
5 8 (15.38%) webpack
6 7 (13.46%) Gradle
6 7 (13.46%) JUnit
7 6 (11.54%) Mocha
7 6 (11.54%) Mockito
7 6 (11.54%) Spock
7 6 (11.54%) TeamCity
8 5 (9.62%) JSHint
8 5 (9.62%) PhantomJS
8 5 (9.62%) Selenium
9 3 (5.77%) Cucumber
9 3 (5.77%) Karma Test Runner
General
1 13 (25.00%) Banking
2 11 (21.15%) Finance
3 8 (15.38%) Investment Banking
4 5 (9.62%) Front Office
5 1 (1.92%) Games
5 1 (1.92%) Publishing
Job Titles
1 47 (90.38%) Developer
2 23 (44.23%) JavaScript Developer
3 11 (21.15%) Front End Developer (Client-Side Developer)
4 10 (19.23%) Senior Developer
5 5 (9.62%) Angular Developer
5 5 (9.62%) Java Developer
5 5 (9.62%) Node.js Developer
5 5 (9.62%) Web Developer
6 4 (7.69%) Senior Web Developer
6 4 (7.69%) Software Engineer
7 2 (3.85%) Agile Developer
7 2 (3.85%) Full Stack Developer
7 2 (3.85%) HTML Developer
7 2 (3.85%) JavaScript Engineer
7 2 (3.85%) Senior Front-End Developer
7 2 (3.85%) Senior Java Developer
7 2 (3.85%) UI Developer
8 1 (1.92%) AWS Developer
8 1 (1.92%) Linux Developer
8 1 (1.92%) Senior Full Stack Developer
Libraries, Frameworks & Software Standards
1 38 (73.08%) CSS
1 38 (73.08%) HTML
2 33 (63.46%) HTML5
3 27 (51.92%) CSS3
4 26 (50.00%) AngularJS
5 25 (48.08%) Node.js
6 23 (44.23%) React
7 16 (30.77%) jQuery
8 14 (26.92%) Sass
9 13 (25.00%) XML
10 11 (21.15%) Hibernate
10 11 (21.15%) JSON
10 11 (21.15%) REST
11 9 (17.31%) Redux
11 9 (17.31%) Twitter Bootstrap
11 9 (17.31%) Web Services
12 8 (15.38%) React Native
13 7 (13.46%) Ajax
13 7 (13.46%) Ember.js
14 6 (11.54%) XSLT
Miscellaneous
1 10 (19.23%) User Experience
2 6 (11.54%) Foreign Exchange (FX)
3 5 (9.62%) Linux Command Line
4 4 (7.69%) Mobile App
5 2 (3.85%) Computer Science
5 2 (3.85%) Graphic Design
6 1 (1.92%) Analytical Skills
6 1 (1.92%) Client/Server
6 1 (1.92%) Clustering
6 1 (1.92%) Data Structures
6 1 (1.92%) Digital Media
6 1 (1.92%) Fintech
6 1 (1.92%) Smart Energy
6 1 (1.92%) Taxonomies
Operating Systems
1 13 (25.00%) Linux
2 11 (21.15%) Unix
3 5 (9.62%) Android
3 5 (9.62%) Apple iOS
4 1 (1.92%) Windows
Processes & Methodologies
1 31 (59.62%) Agile Software Development
2 21 (40.38%) TDD
3 15 (28.85%) BDD
4 13 (25.00%) Front End Development
5 12 (23.08%) Scrum
6 9 (17.31%) Software Engineering
7 7 (13.46%) Refactoring
7 7 (13.46%) Unit Testing
7 7 (13.46%) Web Development
8 6 (11.54%) Investment Management
9 5 (9.62%) Responsive Web Design
9 5 (9.62%) Workflow
10 4 (7.69%) Asynchronous Programming
10 4 (7.69%) Microservices
10 4 (7.69%) MVC
10 4 (7.69%) OO
11 3 (5.77%) Continuous Integration
11 3 (5.77%) Performance Analysis
11 3 (5.77%) Prototyping
11 3 (5.77%) Wireframes
Programming Languages
1 52 (100.00%) JavaScript
2 31 (59.62%) ES6
3 18 (34.62%) Java
4 12 (23.08%) SQL
5 11 (21.15%) TypeScript
6 8 (15.38%) Shell Script
7 6 (11.54%) Korn
7 6 (11.54%) XPath
8 3 (5.77%) PL/SQL
9 2 (3.85%) C#
9 2 (3.85%) Dart
10 1 (1.92%) Objective-C
10 1 (1.92%) PHP
Qualifications
1 8 (15.38%) Degree
2 1 (1.92%) BPSS Clearance
2 1 (1.92%) MOS
2 1 (1.92%) Security Cleared
Quality Assurance & Compliance
1 6 (11.54%) FATCA
2 5 (9.62%) QA
3 1 (1.92%) Disclosure Scotland
Vendors
1 6 (11.54%) Solace
2 4 (7.69%) Adobe
3 3 (5.77%) Twitter
4 1 (1.92%) Microsoft
4 1 (1.92%) MuleSoft
4 1 (1.92%) Oracle
London
Oliver Bernard
Rate: £500 - £700 per day
Posted: 9 hours ago
Lake, Wiltshire
Westhouse Consulting GmbH
Posted: 2 days ago
City, London
ANSON MCCADE
Rate: £450 - £550 per day
Posted: 2 days ago
London
Rullion
Rate: £440 per day
Posted: 3 days ago
London
LA International
Posted: 3 days ago
City, London
ANSON MCCADE
Rate: £400 - £550 per day
Posted: 6 days ago
Leeds, West Yorkshire
Experis Ltd
Rate: £450 - £500 per day + DOE
Posted: 4 days ago