Period
to 20 October 2017

The following table provides summary statistics for contract job vacancies with a requirement for ES6 skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited ES6 over the 6 months to 20 October 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 2015 (ES6, ES2015)
UK
6 months to
20 Oct 2017
Same period 2016 Same period 2015
Rank 312 523 821
Rank change year-on-year +211 +298 -
Contract jobs citing ES6 795 402 83
As % of all contract IT jobs advertised in the UK 0.80% 0.38% 0.073%
As % of the Programming Languages category 1.91% 0.94% 0.19%
Number of daily rates quoted 628 335 58
UK median daily rate £475 £475 £500
Median daily rate % change year-on-year - -5.00% -
10th Percentile £358 £357 £255
90th Percentile £625 £615 £573
UK excluding London median daily rate £401 £413 £300
% change year-on-year -2.91% +37.50% -
Number of hourly rates quoted 1 1 0
UK median hourly rate £51.00 £85.00 -
Median hourly rate % change year-on-year -40.00% - -
UK excluding London median hourly rate - - -

ES6 is in the Programming Languages category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies with a requirement for coding skills.

All Programming Languages
UK
Contract vacancies with a requirement for coding skills 41657 42657 43573
As % of all contract IT jobs advertised in the UK 41.94% 40.14% 38.15%
Number of daily rates quoted 28936 29300 29466
UK median daily rate £450 £425 £400
Median daily rate % change year-on-year +5.88% +6.25% +2.56%
10th Percentile £306 £281 £263
90th Percentile £625 £588 £588
UK excluding London median daily rate £400 £375 £363
% change year-on-year +6.67% +3.45% +3.57%
Number of hourly rates quoted 785 904 984
UK median hourly rate £40.00 £37.50 £36.50
Median hourly rate % change year-on-year +6.67% +2.74% +14.06%
10th Percentile £15.87 £14.13 £15.00
90th Percentile £53.00 £53.75 £51.25
UK excluding London median hourly rate £40.50 £37.50 £37.00
% change year-on-year +8.00% +1.35% +13.85%

ES6
Job Vacancy Trend

Job postings citing ES6 as a percentage of all IT jobs advertised.

Job vacancy trend for ES6 in the UK

ES6
Contractor Daily Rate Trend

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing ES6.

Contractor daily rate trend for ES6 in the UK

ES6
Contractor Daily Rate Histogram

The daily rate distribution of IT jobs citing ES6 over the 6 months to 20 October 2017.

Contractor daily rate histogram for ES6 in the UK

ES6
Top 13 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing ES6 within the UK over the 6 months to 20 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
England +220 763 £475 - 102
London +130 606 £500 +5.26% 71
UK excluding London +159 182 £401 -2.91% 32
South East +68 56 £403 -14.13% 7
Midlands +73 40 £425 +6.25% 5
North of England +64 34 £404 -5.00% 12
Scotland +25 26 £413 +13.79% 1
East Midlands +26 25 £425 +41.67% 3
North West +34 24 £411 +2.81% 9
East of England -2 20 £350 -6.67% 3
West Midlands +37 15 £375 -11.76% 2
Yorkshire +19 10 £400 -11.11% 2
South West +13 6 £350 -6.67% 4

For the 6 months to 20 October 2017, IT contractor jobs citing ES6 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 ES6.

1 765 (96.23%) JavaScript
2 554 (69.69%) CSS
3 516 (64.91%) HTML
4 458 (57.61%) React
5 435 (54.72%) Node.js
6 370 (46.54%) HTML5
6 370 (46.54%) Agile Software Development
7 337 (42.39%) TDD
8 312 (39.25%) CSS3
9 276 (34.72%) AngularJS
10 274 (34.47%) Sass
11 273 (34.34%) Redux
12 242 (30.44%) Front End Development
13 215 (27.04%) webpack
14 184 (23.14%) Git (software)
15 160 (20.13%) User Experience
16 158 (19.87%) OO
17 157 (19.75%) Java
18 151 (18.99%) Test Automation
19 145 (18.24%) BDD
20 138 (17.36%) TypeScript
21 134 (16.86%) Scrum
22 129 (16.23%) Mocha
23 128 (16.10%) gulp
24 122 (15.35%) npm
25 115 (14.47%) REST
25 115 (14.47%) Continuous Integration
26 113 (14.21%) Babel
27 110 (13.84%) RESTful
28 108 (13.58%) Jasmine

ES6
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 27 (3.40%) Elasticsearch
2 19 (2.39%) CMS
3 10 (1.26%) Apache
4 9 (1.13%) Adobe Experience Manager
5 8 (1.01%) Confluence
6 5 (0.63%) Tomcat
7 4 (0.50%) Cloud Foundry
7 4 (0.50%) Jetty
8 3 (0.38%) WordPress
9 2 (0.25%) Apache Spark
9 2 (0.25%) Mongoose
9 2 (0.25%) MQSeries
9 2 (0.25%) nginx
10 1 (0.13%) Apache Solr
10 1 (0.13%) CICS
10 1 (0.13%) EPiServer
10 1 (0.13%) JBoss
10 1 (0.13%) WebSphere
10 1 (0.13%) WildFly
Applications
1 8 (1.01%) Adobe Illustrator
2 5 (0.63%) Photoshop
3 1 (0.13%) GIMP
3 1 (0.13%) OmniGraffle
Business Applications
1 4 (0.50%) RMDS
2 2 (0.25%) SDL Web 8
3 1 (0.13%) Magento
Cloud Services
1 122 (15.35%) npm
2 75 (9.43%) Amazon AWS
3 36 (4.53%) Serverless
4 20 (2.52%) GitHub
4 20 (2.52%) Microsoft Azure
5 19 (2.39%) SaaS
6 17 (2.14%) AWS Lambda
6 17 (2.14%) IaaS
6 17 (2.14%) PaaS
7 15 (1.89%) Yarn
8 13 (1.64%) Amazon SQS
9 10 (1.26%) AWS CloudFormation
10 8 (1.01%) AWS Elastic Beanstalk
10 8 (1.01%) Heroku
11 6 (0.75%) Google Analytics
12 5 (0.63%) Amazon Kinesis
12 5 (0.63%) Cloud Computing
12 5 (0.63%) Google Cloud Platform
13 4 (0.50%) CloudFront
14 3 (0.38%) Amazon S3
Communications & Networking
1 23 (2.89%) HTTP
1 23 (2.89%) Internet
2 3 (0.38%) Bluetooth
3 2 (0.25%) Ethernet
3 2 (0.25%) LDAP
3 2 (0.25%) Unified Communications
3 2 (0.25%) VPLS
3 2 (0.25%) Wi-Fi
4 1 (0.13%) Skype
Database & Business Intelligence
1 41 (5.16%) NoSQL
2 33 (4.15%) MongoDB
3 27 (3.40%) PostgreSQL
4 25 (3.14%) Neo4j
5 22 (2.77%) MySQL
6 21 (2.64%) Amazon DynamoDB
7 18 (2.26%) Big Data
8 16 (2.01%) Redis
8 16 (2.01%) SQL Server
9 9 (1.13%) GIS
9 9 (1.13%) Relational Database
9 9 (1.13%) SQL Server 2014
10 5 (0.63%) Amazon Redshift
10 5 (0.63%) Apache Cassandra
10 5 (0.63%) SQL Server Integration Services
11 4 (0.50%) Hadoop
11 4 (0.50%) SQL Server 2008
11 4 (0.50%) SQL Server 2016
11 4 (0.50%) SQL Server Reporting Services
12 3 (0.38%) RDBMS
Development Applications
1 215 (27.04%) webpack
2 184 (23.14%) Git (software)
3 129 (16.23%) Mocha
4 128 (16.10%) gulp
5 113 (14.21%) Babel
6 108 (13.58%) Jasmine
7 102 (12.83%) Grunt
8 95 (11.95%) Jenkins
9 54 (6.79%) Karma Test Runner
10 47 (5.91%) JIRA
10 47 (5.91%) Selenium
11 32 (4.03%) Protractor
12 23 (2.89%) Maven
13 22 (2.77%) Bower
14 20 (2.52%) Cucumber
15 17 (2.14%) TeamCity
16 14 (1.76%) Sinon.JS
17 12 (1.51%) Subversion
18 11 (1.38%) Gerrit
18 11 (1.38%) JUnit
General
1 89 (11.19%) Finance
2 65 (8.18%) Banking
3 31 (3.90%) Front Office
4 29 (3.65%) Retail
5 25 (3.14%) Investment Banking
6 21 (2.64%) Marketing
7 17 (2.14%) Games
8 10 (1.26%) Telecoms
9 6 (0.75%) Financial Institution
9 6 (0.75%) Publishing
9 6 (0.75%) Retail Banking
10 5 (0.63%) Legal
11 3 (0.38%) International Banking
12 2 (0.25%) Advertising
12 2 (0.25%) Digital Economy
12 2 (0.25%) Multimedia
12 2 (0.25%) Prime Brokerage
13 1 (0.13%) Law
Job Titles
1 683 (85.91%) Developer
2 334 (42.01%) JavaScript Developer
3 201 (25.28%) Front End Developer (Client-Side Developer)
4 98 (12.33%) Node.js Developer
5 94 (11.82%) Full Stack Developer
6 93 (11.70%) Senior Developer
7 91 (11.45%) UI Developer
8 73 (9.18%) Angular Developer
8 73 (9.18%) HTML Developer
9 58 (7.30%) Java Developer
10 42 (5.28%) HTML CSS Developer
11 41 (5.16%) Senior JavaScript Developer
12 39 (4.91%) JavaScript Engineer
13 32 (4.03%) Senior Front-End Developer
14 28 (3.52%) Web Developer
15 19 (2.39%) Agile Developer
16 16 (2.01%) Agile Java Developer
17 13 (1.64%) Senior Full Stack Developer
17 13 (1.64%) Senior UI Developer
18 12 (1.51%) Web Engineer
Libraries, Frameworks & Software Standards
1 554 (69.69%) CSS
2 516 (64.91%) HTML
3 458 (57.61%) React
4 435 (54.72%) Node.js
5 370 (46.54%) HTML5
6 312 (39.25%) CSS3
7 276 (34.72%) AngularJS
8 274 (34.47%) Sass
9 273 (34.34%) Redux
10 115 (14.47%) REST
11 110 (13.84%) RESTful
12 108 (13.58%) LESS
13 89 (11.19%) JSON
14 82 (10.31%) Web Services
15 72 (9.06%) Express
16 71 (8.93%) Chai
17 69 (8.68%) Spring
18 65 (8.18%) React Native
19 44 (5.53%) Ember.js
19 44 (5.53%) Twitter Bootstrap
Miscellaneous
1 160 (20.13%) User Experience
2 73 (9.18%) Greenfield Project
3 44 (5.53%) Mobile App
4 34 (4.28%) Linux Command Line
5 29 (3.65%) Fintech
6 24 (3.02%) Virtual Team
7 22 (2.77%) Computer Science
8 21 (2.64%) Foreign Exchange (FX)
9 13 (1.64%) Analytical Skills
9 13 (1.64%) Derivative
10 9 (1.13%) Enterprise Software
10 9 (1.13%) Social Media
11 8 (1.01%) Market Risk
12 7 (0.88%) Equities
13 5 (0.63%) Data Structures
13 5 (0.63%) Fixed Income
13 5 (0.63%) Management Information System
13 5 (0.63%) New Media
13 5 (0.63%) W3C
14 4 (0.50%) NHS
Operating Systems
1 73 (9.18%) Linux
2 28 (3.52%) Android
3 21 (2.64%) Apple iOS
4 17 (2.14%) Unix
5 11 (1.38%) Mac OS
6 5 (0.63%) Windows
7 3 (0.38%) CentOS
7 3 (0.38%) Red Hat Enterprise Linux
8 2 (0.25%) Debian
8 2 (0.25%) Mac OS X
8 2 (0.25%) Ubuntu
8 2 (0.25%) Windows 10
9 1 (0.13%) zOS
Processes & Methodologies
1 370 (46.54%) Agile Software Development
2 337 (42.39%) TDD
3 242 (30.44%) Front End Development
4 158 (19.87%) OO
5 151 (18.99%) Test Automation
6 145 (18.24%) BDD
7 134 (16.86%) Scrum
8 115 (14.47%) Continuous Integration
9 98 (12.33%) Web Development
10 87 (10.94%) E-Commerce
11 81 (10.19%) Unit Testing
12 78 (9.81%) Continuous Delivery
13 69 (8.68%) Continuous Improvement
14 59 (7.42%) MVC
14 59 (7.42%) Software Engineering
15 58 (7.30%) DevOps
16 55 (6.92%) Microservices
17 53 (6.67%) Mentoring
18 52 (6.54%) Responsive Web Design
19 47 (5.91%) User Stories
Programming Languages
1 765 (96.23%) JavaScript
2 157 (19.75%) Java
3 138 (17.36%) TypeScript
4 64 (8.05%) Python
5 62 (7.80%) ECMAScript
6 47 (5.91%) SQL
7 42 (5.28%) C#
8 24 (3.02%) PHP
9 23 (2.89%) GraphQL
10 13 (1.64%) Scala
11 9 (1.13%) Ruby
12 6 (0.75%) Bash Shell
12 6 (0.75%) Go
12 6 (0.75%) Objective-C
13 5 (0.63%) C++
13 5 (0.63%) F#
14 4 (0.50%) PowerShell
14 4 (0.50%) Shell Script
14 4 (0.50%) T-SQL
15 2 (0.25%) VB.NET
Qualifications
1 21 (2.64%) Degree
2 19 (2.39%) Computer Science Degree
3 8 (1.01%) SC Cleared
3 8 (1.01%) Security Cleared
4 6 (0.75%) OCPJP
5 1 (0.13%) CTC Cleared
5 1 (0.13%) MCSD
5 1 (0.13%) Microsoft Certification
Quality Assurance & Compliance
1 42 (5.28%) QA
2 15 (1.89%) WCAG
3 14 (1.76%) WAI
4 6 (0.75%) MiFID
5 3 (0.38%) Disclosure Scotland
6 1 (0.13%) GDPR
6 1 (0.13%) ISO/IEC 27001
System Software
1 93 (11.70%) Docker
2 7 (0.88%) Apache ZooKeeper
3 5 (0.63%) Varnish
4 3 (0.38%) etcd
5 1 (0.13%) Active Directory
5 1 (0.13%) VMware Infrastructure
Systems Management
1 21 (2.64%) Ansible
2 17 (2.14%) Opscode Chef
3 15 (1.89%) Terraform
4 10 (1.26%) Kubernetes
5 9 (1.13%) Puppet
6 3 (0.38%) Consul
6 3 (0.38%) Kibana
6 3 (0.38%) Packer
7 2 (0.25%) Mesos
Vendors
1 21 (2.64%) Google
2 14 (1.76%) Microsoft
3 10 (1.26%) Adobe
3 10 (1.26%) Atlassian
4 8 (1.01%) Twitter
5 7 (0.88%) FXall
5 7 (0.88%) Reuters
6 6 (0.75%) Apple
7 4 (0.50%) ESRI
8 3 (0.38%) Avaya
8 3 (0.38%) Mapbox
8 3 (0.38%) New Relic
8 3 (0.38%) Red Hat
8 3 (0.38%) Tealium
9 2 (0.25%) Apiary
9 2 (0.25%) IBM
9 2 (0.25%) Oracle
9 2 (0.25%) ServiceNow
9 2 (0.25%) Sybase
9 2 (0.25%) VMware