Period
to 22 July 2018

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 22 July 2018 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 (JavaScript ES2015, ES6)
UK
6 months to
22 Jul 2018
Same period 2017 Same period 2016
Rank 240 387 582
Rank change year-on-year +147 +195 +306
Contract jobs citing ES6 1,188 604 323
As % of all contract IT jobs advertised in the UK 1.15% 0.63% 0.29%
As % of the Programming Languages category 2.63% 1.51% 0.76%
Number of daily rates quoted 937 464 285
UK median daily rate £500 £475 £450
Median daily rate % change year-on-year +5.26% +5.56% +48.76%
10th Percentile £368 £327 £350
90th Percentile £650 £650 £575
UK excluding London median daily rate £450 £395 £450
% change year-on-year +13.92% -12.22% -
Number of hourly rates quoted 0 1 0
UK median hourly rate - £51.00 -
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 45,245 39,908 42,576
As % of all contract IT jobs advertised in the UK 43.79% 41.60% 38.69%
Number of daily rates quoted 31,687 27,357 29,185
UK median daily rate £463 £445 £425
Median daily rate % change year-on-year +3.93% +4.71% +6.25%
10th Percentile £313 £300 £275
90th Percentile £638 £625 £594
UK excluding London median daily rate £410 £400 £375
% change year-on-year +2.50% +6.67% +7.14%
Number of hourly rates quoted 791 802 918
UK median hourly rate £41.00 £41.25 £37.50
Median hourly rate % change year-on-year -0.61% +10.00% +7.14%
10th Percentile £16.50 £16.25 £13.27
90th Percentile £52.50 £53.75 £51.50
UK excluding London median hourly rate £41.00 £42.00 £37.50
% change year-on-year -2.38% +12.00% +7.14%

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 22 July 2018.

Contractor daily rate histogram for ES6 in the UK

ES6
Top 15 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 22 July 2018. 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 +136 1,134 £500 +5.26% 318
London +101 860 £525 +7.42% 189
UK excluding London +100 310 £450 +13.92% 145
South East +52 129 £475 +18.60% 47
North of England +8 54 £410 +2.50% 42
East of England +22 34 £463 +25.42% 12
Midlands -10 33 £400 +8.47% 10
Scotland -17 31 £425 +9.61% 10
Yorkshire -1 25 £450 +24.14% 24
North West -10 24 £400 -3.90% 16
South West +15 22 £425 +18.88% 18
East Midlands -4 18 £450 +24.14% 2
West Midlands -19 15 £388 +3.33% 8
North East - 7 £325 - 2
Northern Ireland - 7 £600 - 2

For the 6 months to 22 July 2018, IT contractor jobs citing ES6 also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads with a requirement for ES6.

1 1,117 (94.02%) JavaScript
2 849 (71.46%) CSS
3 767 (64.56%) HTML
4 660 (55.56%) React
5 606 (51.01%) Node.js
6 555 (46.72%) Agile Software Development
7 497 (41.84%) HTML5
8 493 (41.50%) Redux
9 447 (37.63%) Front End Development
10 446 (37.54%) AngularJS
11 404 (34.01%) TDD
12 399 (33.59%) webpack
13 390 (32.83%) Sass
14 373 (31.40%) CSS3
15 368 (30.98%) Git (software)
16 284 (23.91%) TypeScript
17 259 (21.80%) Docker
18 230 (19.36%) User Experience
19 210 (17.68%) Java
20 204 (17.17%) Amazon AWS
21 201 (16.92%) BDD
22 198 (16.67%) Finance
23 192 (16.16%) REST
24 181 (15.24%) Web Development
25 172 (14.48%) Test Automation
26 167 (14.06%) Babel
27 163 (13.72%) Scrum
28 159 (13.38%) npm
29 158 (13.30%) LESS
30 155 (13.05%) RESTful

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 37 (3.11%) CMS
2 33 (2.78%) Elasticsearch
3 24 (2.02%) Umbraco
4 23 (1.94%) Apache Spark
5 14 (1.18%) Apache
6 8 (0.67%) Cloud Foundry
6 8 (0.67%) SharePoint
6 8 (0.67%) WordPress
7 7 (0.59%) Adobe Experience Manager
8 6 (0.51%) Confluence
8 6 (0.51%) Mongoose
8 6 (0.51%) Sitecore CMS
9 5 (0.42%) Drupal
9 5 (0.42%) Gunicorn
10 4 (0.34%) WebSphere
11 3 (0.25%) GeoServer
11 3 (0.25%) IIS
11 3 (0.25%) nginx
11 3 (0.25%) Tomcat
12 2 (0.17%) Ethereum
Applications
1 26 (2.19%) Photoshop
2 10 (0.84%) Fireworks
3 8 (0.67%) GIMP
4 4 (0.34%) Chatbot
5 3 (0.25%) InVision
6 1 (0.084%) Adobe Creative Suite
6 1 (0.084%) Adobe Illustrator
6 1 (0.084%) SketchUp
Business Applications
1 6 (0.51%) Dynamics CRM
2 3 (0.25%) Shopify
3 2 (0.17%) Magento
4 1 (0.084%) Distributed Ledger
4 1 (0.084%) RMDS
Cloud Services
1 204 (17.17%) Amazon AWS
2 159 (13.38%) npm
3 95 (8.00%) Serverless
4 81 (6.82%) Microsoft Azure
5 70 (5.89%) Heroku
6 53 (4.46%) GitHub
7 41 (3.45%) Yarn
8 34 (2.86%) Google Cloud Platform
9 18 (1.52%) SaaS
10 17 (1.43%) AWS Lambda
11 16 (1.35%) Amazon S3
12 14 (1.18%) PaaS
13 10 (0.84%) AWS CloudFormation
14 9 (0.76%) Amazon SQS
14 9 (0.76%) Cloud Computing
14 9 (0.76%) IaaS
15 7 (0.59%) Amazon EC2
16 5 (0.42%) Google Analytics
17 4 (0.34%) Adobe Analytics
17 4 (0.34%) OpenShift
Communications & Networking
1 87 (7.32%) HTTP
2 37 (3.11%) FTP
3 35 (2.95%) DNS
3 35 (2.95%) SSL
3 35 (2.95%) TCP/IP
4 30 (2.53%) Internet
5 15 (1.26%) SMS
6 2 (0.17%) HTTPS
7 1 (0.084%) Kerberos
7 1 (0.084%) Reverse Proxy
Database & Business Intelligence
1 98 (8.25%) MongoDB
2 96 (8.08%) PostgreSQL
3 58 (4.88%) NoSQL
4 50 (4.21%) SQL Server
5 47 (3.96%) MySQL
6 38 (3.20%) Redis
7 26 (2.19%) Blockchain
7 26 (2.19%) Relational Database
8 22 (1.85%) Big Data
9 19 (1.60%) Amazon DynamoDB
9 19 (1.60%) Apache Cassandra
10 17 (1.43%) CouchDB
11 16 (1.35%) SQL Server 2014
12 14 (1.18%) Hadoop
13 7 (0.59%) Amazon RDS
13 7 (0.59%) Cloud Spanner
13 7 (0.59%) NewSQL
14 6 (0.51%) Couchbase
14 6 (0.51%) Geospatial Data
15 5 (0.42%) Data Mining
Development Applications
1 399 (33.59%) webpack
2 368 (30.98%) Git (software)
3 167 (14.06%) Babel
4 150 (12.63%) gulp
5 148 (12.46%) Jenkins
6 144 (12.12%) Mocha
7 103 (8.67%) Jasmine
8 71 (5.98%) Grunt
9 61 (5.13%) JIRA
10 51 (4.29%) GitLab
11 47 (3.96%) Sinon.JS
12 46 (3.87%) Selenium
13 42 (3.54%) Karma Test Runner
14 40 (3.37%) PostCSS
15 38 (3.20%) Maven
16 35 (2.95%) Gerrit
17 27 (2.27%) Gradle
18 26 (2.19%) Cucumber
19 22 (1.85%) TeamCity
20 21 (1.77%) CircleCI
General
1 198 (16.67%) Finance
2 115 (9.68%) Banking
3 49 (4.12%) Retail
4 26 (2.19%) Front Office
5 24 (2.02%) Games
5 24 (2.02%) Marketing
6 20 (1.68%) Investment Banking
7 19 (1.60%) Law
8 18 (1.52%) Telecoms
9 11 (0.93%) Advertising
10 9 (0.76%) Publishing
11 6 (0.51%) Manufacturing
12 5 (0.42%) Retail Banking
13 4 (0.34%) Financial Institution
13 4 (0.34%) Legal
14 3 (0.25%) iGaming
15 2 (0.17%) Aerospace
15 2 (0.17%) Automotive
15 2 (0.17%) Electronics
15 2 (0.17%) Pharmaceutical
Job Titles
1 1,082 (91.08%) Developer
2 432 (36.36%) React Developer
3 372 (31.31%) JavaScript Developer
4 369 (31.06%) Front End Developer (Client-Side Developer)
5 145 (12.21%) Node.js Developer
6 140 (11.78%) Full Stack Developer
6 140 (11.78%) Senior Developer
7 116 (9.76%) Angular Developer
8 81 (6.82%) UI Developer
9 74 (6.23%) Java Developer
10 59 (4.97%) Senior Front-End Developer
11 58 (4.88%) Senior React Developer
12 50 (4.21%) Senior JavaScript Developer
13 46 (3.87%) Web Developer
14 42 (3.54%) HTML Developer
15 33 (2.78%) Digital Developer
16 28 (2.36%) Agile Developer
17 27 (2.27%) Lead Developer
18 22 (1.85%) Agile Java Developer
18 22 (1.85%) HTML CSS Developer
Libraries, Frameworks & Software Standards
1 849 (71.46%) CSS
2 767 (64.56%) HTML
3 660 (55.56%) React
4 606 (51.01%) Node.js
5 497 (41.84%) HTML5
6 493 (41.50%) Redux
7 446 (37.54%) AngularJS
8 390 (32.83%) Sass
9 373 (31.40%) CSS3
10 192 (16.16%) REST
11 158 (13.30%) LESS
12 155 (13.05%) RESTful
13 141 (11.87%) Express
14 124 (10.44%) Chai
15 118 (9.93%) Jest
16 110 (9.26%) Vue.js
17 109 (9.18%) Angular 2
18 108 (9.09%) Enzyme
19 102 (8.59%) Web Services
20 95 (8.00%) JSON
Miscellaneous
1 230 (19.36%) User Experience
2 133 (11.20%) Greenfield Project
3 78 (6.57%) Fintech
4 64 (5.39%) Mobile App
5 56 (4.71%) Data Structures
6 44 (3.70%) Computer Science
7 42 (3.54%) Algorithms
8 38 (3.20%) Analytical Skills
9 19 (1.60%) Virtual Team
10 15 (1.26%) Foreign Exchange (FX)
11 14 (1.18%) Cloud Native
12 13 (1.09%) Enterprise Software
13 12 (1.01%) Credit Risk
14 9 (0.76%) Over-the-Top Content
14 9 (0.76%) Video on Demand
15 7 (0.59%) Blog
15 7 (0.59%) Enterprise Cloud
15 7 (0.59%) Fixed Income
15 7 (0.59%) Linux Command Line
16 6 (0.51%) W3C
Operating Systems
1 90 (7.58%) Linux
2 53 (4.46%) Android
3 49 (4.12%) Apple iOS
4 32 (2.69%) Unix
5 14 (1.18%) Windows
6 10 (0.84%) Windows 10
7 5 (0.42%) Mac OS
8 2 (0.17%) zOS
9 1 (0.084%) Red Hat Enterprise Linux
9 1 (0.084%) VMS
9 1 (0.084%) Windows Server
Processes & Methodologies
1 555 (46.72%) Agile Software Development
2 447 (37.63%) Front End Development
3 404 (34.01%) TDD
4 201 (16.92%) BDD
5 181 (15.24%) Web Development
6 172 (14.48%) Test Automation
7 163 (13.72%) Scrum
8 148 (12.46%) OO
9 145 (12.21%) Unit Testing
10 136 (11.45%) Continuous Integration
11 132 (11.11%) Microservices
12 119 (10.02%) Responsive Web Design
13 112 (9.43%) DevOps
14 105 (8.84%) E-Commerce
15 91 (7.66%) Continuous Delivery
16 84 (7.07%) Software Engineering
17 81 (6.82%) API Design
18 80 (6.73%) API Development
19 76 (6.40%) Wireframes
20 70 (5.89%) Open Source
Programming Languages
1 1,117 (94.02%) JavaScript
2 284 (23.91%) TypeScript
3 210 (17.68%) Java
4 138 (11.62%) ES7
5 82 (6.90%) Java 8
6 71 (5.98%) C#
7 67 (5.64%) Python
7 67 (5.64%) SQL
8 31 (2.61%) JSX
9 25 (2.10%) Ruby
10 21 (1.77%) ES8
10 21 (1.77%) Scala
11 19 (1.60%) PHP
12 16 (1.35%) Go
13 15 (1.26%) Bash Shell
14 13 (1.09%) Groovy
15 10 (0.84%) Apple Swift
16 6 (0.51%) C++
17 5 (0.42%) Objective-C
18 4 (0.34%) Kotlin
Qualifications
1 31 (2.61%) Security Cleared
2 26 (2.19%) SC Cleared
3 20 (1.68%) Degree
4 16 (1.35%) Computer Science Degree
5 8 (0.67%) BPSS Clearance
6 4 (0.34%) Master's Degree
Quality Assurance & Compliance
1 35 (2.95%) QA
2 15 (1.26%) WCAG
3 11 (0.93%) Disclosure Scotland
4 6 (0.51%) ISO/IEC 27001
5 5 (0.42%) Data Quality
5 5 (0.42%) GCP
6 4 (0.34%) WAI
7 3 (0.25%) GDPR
System Software
1 259 (21.80%) Docker
2 6 (0.51%) Varnish
3 4 (0.34%) etcd
3 4 (0.34%) Virtual Machines
4 2 (0.17%) Apache ZooKeeper
5 1 (0.084%) HDFS
Systems Management
1 49 (4.12%) Ansible
2 45 (3.79%) Kubernetes
3 29 (2.44%) Docker Swarm
4 28 (2.36%) Terraform
5 21 (1.77%) Opscode Chef
6 12 (1.01%) Mesos
7 10 (0.84%) Marathon
8 7 (0.59%) Puppet
9 2 (0.17%) Kibana
10 1 (0.084%) Consul
10 1 (0.084%) Hadoop YARN
10 1 (0.084%) Oozie
10 1 (0.084%) Systems Management Server (SMS)
Vendors
1 50 (4.21%) Google
2 27 (2.27%) Twitter
3 25 (2.10%) Adobe
4 11 (0.93%) FXall
4 11 (0.93%) Microsoft
4 11 (0.93%) Reuters
5 8 (0.67%) Capita
5 8 (0.67%) Sitecore
6 7 (0.59%) Oracle
7 5 (0.42%) Atlassian
7 5 (0.42%) TOWER Software
7 5 (0.42%) Zend
8 4 (0.34%) Splunk
9 3 (0.25%) DevExpress
9 3 (0.25%) WooCommerce
10 2 (0.17%) Cypress Semiconductor
10 2 (0.17%) MuleSoft
10 2 (0.17%) SAP
10 2 (0.17%) Tableau
10 2 (0.17%) Volusion