Period
to 9 April 2020

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 9 April 2020 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
9 Apr 2020
Same period 2019 Same period 2018
Rank 339 257 273
Rank change year-on-year -82 +16 +187
Contract jobs citing ES6 415 1,037 986
As % of all contract jobs advertised in the UK 0.69% 1.07% 0.98%
As % of the Programming Languages category 1.69% 2.48% 2.28%
Number of daily rates quoted 302 859 818
Median daily rate £525 £500 £500
Median daily rate % change year-on-year +5.00% - +5.26%
10th Percentile £350 £360 £363
90th Percentile £699 £650 £638
UK excluding London median daily rate £425 £450 £450
% change year-on-year -5.56% - +20.00%
Number of hourly rates quoted 1 2 0
Median hourly rate £35.00 £35.00 -
UK excluding London median hourly rate £35.00 - -

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 24,544 41,755 43,269
As % of all contract IT jobs advertised in the UK 40.52% 43.13% 42.87%
Number of daily rates quoted 16,557 29,136 30,316
Median daily rate £480 £475 £463
Median daily rate % change year-on-year +1.05% +2.70% +8.82%
10th Percentile £325 £325 £313
90th Percentile £650 £650 £638
UK excluding London median daily rate £438 £425 £400
% change year-on-year +2.94% +6.25% +6.38%
Number of hourly rates quoted 564 694 780
Median hourly rate £40.00 £42.50 £40.00
Median hourly rate % change year-on-year -5.88% +6.25% -
10th Percentile £17.83 £17.55 £16.29
90th Percentile £55.00 £53.75 £51.35
Median hourly rate £39.77 £42.63 £40.00
% change year-on-year -6.70% +6.56% -

ES6
Job Vacancy Trend

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

Job vacancy trend for ES6 in the UK

ES6
Contractor Daily Rate Trend

3-month moving average daily rate quoted in jobs citing ES6.

Daily rate trend for ES6 in the UK

ES6
Daily Rate Histogram

Daily rate distribution for jobs citing ES6 over the 6 months to 9 April 2020.

Daily rate histogram for ES6 in the UK

ES6
Contractor Hourly Rate Trend

3-month moving average hourly rates quoted in jobs citing ES6.

Hourly rate trend for ES6 in the UK

ES6
Top 16 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 9 April 2020. 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 -72 393 £525 +5.00% 151
London -66 249 £550 +4.76% 80
UK excluding London +42 149 £425 -5.56% 81
North of England +61 75 £484 +13.82% 25
North West +49 38 £400 +5.26% 22
Yorkshire +49 33 £550 +13.40% 1
South West +22 21 £400 -17.95% 13
Work from Home -7 21 £550 +35.38% 14
Midlands +60 20 £419 -11.84% 5
South East +59 15 £388 -13.89% 18
West Midlands +71 13 £388 -3.13% 3
Scotland +13 9 £450 -5.26% 6
East Midlands +26 7 £428 -14.50% 2
East of England +11 6 £400 -10.11% 10
Northern Ireland +20 5 £375 -25.00%
North East +35 4 £525 +23.53% 2

For the 6 months to 9 April 2020, 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.

1 371 (89.40%) JavaScript
2 262 (63.13%) CSS
3 242 (58.31%) React
4 229 (55.18%) HTML
5 205 (49.40%) Node.js
6 189 (45.54%) Agile Software Development
7 156 (37.59%) Redux
8 140 (33.73%) Front End Development
9 139 (33.49%) Git (software)
10 137 (33.01%) AngularJS
11 127 (30.60%) TDD
12 126 (30.36%) HTML5
13 115 (27.71%) Sass
14 108 (26.02%) TypeScript
15 97 (23.37%) Jest
16 94 (22.65%) CSS3
17 93 (22.41%) webpack
18 89 (21.45%) Java
19 78 (18.80%) User Experience
20 75 (18.07%) Docker
21 73 (17.59%) Microservices
21 73 (17.59%) Test Automation
22 72 (17.35%) Vue.js
23 69 (16.63%) AWS
24 67 (16.14%) RESTful
25 64 (15.42%) Spring
26 63 (15.18%) OO
27 59 (14.22%) Pair Programming
28 58 (13.98%) Azure
29 56 (13.49%) Kubernetes

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 16 (3.86%) CMS
2 8 (1.93%) Drupal
3 6 (1.45%) Adobe Experience Manager
3 6 (1.45%) Sitecore CMS
3 6 (1.45%) WordPress
4 5 (1.20%) Umbraco
4 5 (1.20%) WebSphere
5 4 (0.96%) Elasticsearch
6 3 (0.72%) Cloud Foundry
7 2 (0.48%) Apache Solr
7 2 (0.48%) Confluence
7 2 (0.48%) Kentico
8 1 (0.24%) EPiServer
8 1 (0.24%) Headless CMS
8 1 (0.24%) Oracle Application Server
8 1 (0.24%) SharePoint
8 1 (0.24%) SugarCRM
Applications
1 12 (2.89%) Photoshop
2 11 (2.65%) Sketch
3 1 (0.24%) InVision
Business Applications
1 9 (2.17%) Shopify
2 8 (1.93%) Magento
Cloud Services
1 69 (16.63%) AWS
2 58 (13.98%) Azure
3 53 (12.77%) GCP
4 35 (8.43%) npm
5 30 (7.23%) Heroku
6 20 (4.82%) GitHub
7 14 (3.37%) Serverless
7 14 (3.37%) Yarn
8 13 (3.13%) AWS Lambda
8 13 (3.13%) SaaS
9 8 (1.93%) OpenShift
10 6 (1.45%) Amazon EC2
10 6 (1.45%) Amazon S3
11 4 (0.96%) Amazon ECS
11 4 (0.96%) IaaS
11 4 (0.96%) PaaS
12 3 (0.72%) AWS Elastic Beanstalk
12 3 (0.72%) Firebase
12 3 (0.72%) Slack
12 3 (0.72%) Virtual Private Cloud
Communications & Networking
1 8 (1.93%) HTTP
2 1 (0.24%) DNS
2 1 (0.24%) FTP
2 1 (0.24%) HTTPS
2 1 (0.24%) Intranet
2 1 (0.24%) Network Security
2 1 (0.24%) Skype
2 1 (0.24%) SSL
2 1 (0.24%) TCP/IP
Database & Business Intelligence
1 43 (10.36%) NoSQL
2 22 (5.30%) MongoDB
3 17 (4.10%) MySQL
4 12 (2.89%) Relational Database
5 10 (2.41%) PostgreSQL
6 8 (1.93%) SQL Server
7 4 (0.96%) Amazon RDS
7 4 (0.96%) Blockchain
7 4 (0.96%) Neo4j
7 4 (0.96%) Qlik Sense
8 3 (0.72%) Big Data
8 3 (0.72%) Redis
9 2 (0.48%) Amazon Athena
9 2 (0.48%) Amazon DynamoDB
9 2 (0.48%) Apache Cassandra
9 2 (0.48%) BigQuery
9 2 (0.48%) Data Lake
10 1 (0.24%) Azure SQL Database
10 1 (0.24%) QlikView
10 1 (0.24%) SQL Server Analysis Services
Development Applications
1 139 (33.49%) Git (software)
2 93 (22.41%) webpack
3 35 (8.43%) Jenkins
4 32 (7.71%) JUnit
5 27 (6.51%) Jasmine
5 27 (6.51%) Spock
6 25 (6.02%) gulp
6 25 (6.02%) Mocha
7 21 (5.06%) Babel
7 21 (5.06%) GitLab
8 20 (4.82%) Bitbucket
8 20 (4.82%) JIRA
9 19 (4.58%) Grunt
10 17 (4.10%) git-flow
10 17 (4.10%) PostCSS
11 13 (3.13%) Karma Test Runner
12 10 (2.41%) Protractor
13 9 (2.17%) Cucumber
14 8 (1.93%) Gradle
14 8 (1.93%) TestCafe
General
1 53 (12.77%) Finance
2 24 (5.78%) Public Sector
3 18 (4.34%) Banking
4 12 (2.89%) Retail
5 10 (2.41%) Marketing
6 9 (2.17%) Investment Banking
7 8 (1.93%) Front Office
7 8 (1.93%) Law
8 4 (0.96%) Games
8 4 (0.96%) Telecoms
9 3 (0.72%) Back Office
9 3 (0.72%) Music Industry
9 3 (0.72%) Publishing
10 2 (0.48%) Aerospace
10 2 (0.48%) Multimedia
11 1 (0.24%) Advertising
11 1 (0.24%) Electronics
11 1 (0.24%) Manufacturing
11 1 (0.24%) Retail Banking
Job Titles
1 352 (84.82%) Developer
2 112 (26.99%) React Developer
3 109 (26.27%) Front End Developer (Client-Side Developer)
4 70 (16.87%) JavaScript Developer
5 61 (14.70%) Full Stack Developer
6 57 (13.73%) Java Developer
7 49 (11.81%) Senior Developer
8 26 (6.27%) Node.js Developer
8 26 (6.27%) UI Developer
9 23 (5.54%) Angular Developer
10 18 (4.34%) Digital Developer
11 16 (3.86%) Java Developer - Fintech
12 15 (3.61%) Senior Front-End Developer
13 12 (2.89%) HTML Developer
14 10 (2.41%) Senior Java Developer
14 10 (2.41%) Software Developer
15 9 (2.17%) PHP Developer
15 9 (2.17%) Senior Software Developer
15 9 (2.17%) Software Engineer
16 8 (1.93%) Senior Software Engineer
Libraries, Frameworks & Software Standards
1 262 (63.13%) CSS
2 242 (58.31%) React
3 229 (55.18%) HTML
4 205 (49.40%) Node.js
5 156 (37.59%) Redux
6 137 (33.01%) AngularJS
7 126 (30.36%) HTML5
8 115 (27.71%) Sass
9 97 (23.37%) Jest
10 94 (22.65%) CSS3
11 72 (17.35%) Vue.js
12 67 (16.14%) RESTful
13 64 (15.42%) Spring
14 55 (13.25%) GraphQL
15 49 (11.81%) Spring Boot
16 35 (8.43%) Enzyme
16 35 (8.43%) React Native
16 35 (8.43%) REST
17 32 (7.71%) jQuery
18 23 (5.54%) Web Services
Miscellaneous
1 78 (18.80%) User Experience
2 35 (8.43%) Analytical Skills
3 34 (8.19%) Greenfield Project
4 25 (6.02%) Algorithms
4 25 (6.02%) Data Structures
5 19 (4.58%) Mobile App
6 9 (2.17%) W3C
7 6 (1.45%) Cloud Native
8 4 (0.96%) Derivative
8 4 (0.96%) Equity Derivative
9 3 (0.72%) Foreign Exchange (FX)
9 3 (0.72%) iPad
9 3 (0.72%) Self-Motivation
9 3 (0.72%) Social Media
10 2 (0.48%) Credit Derivative
10 2 (0.48%) Graphic Design
10 2 (0.48%) Management Information System
11 1 (0.24%) Animation
11 1 (0.24%) Augmented Reality
11 1 (0.24%) Smartphone
Operating Systems
1 30 (7.23%) Unix
2 16 (3.86%) Linux
3 3 (0.72%) Apple iOS
3 3 (0.72%) CentOS
3 3 (0.72%) Red Hat Enterprise Linux
4 2 (0.48%) Android
5 1 (0.24%) Windows
Processes & Methodologies
1 189 (45.54%) Agile Software Development
2 140 (33.73%) Front End Development
3 127 (30.60%) TDD
4 73 (17.59%) Microservices
4 73 (17.59%) Test Automation
5 63 (15.18%) OO
6 59 (14.22%) Pair Programming
7 51 (12.29%) Open Source
7 51 (12.29%) Scrum
8 50 (12.05%) Problem-Solving
9 43 (10.36%) Continuous Integration
9 43 (10.36%) DevOps
10 36 (8.67%) BDD
11 35 (8.43%) Unit Testing
12 33 (7.95%) Web Development
13 29 (6.99%) Computer Science
14 28 (6.75%) Asynchronous Programming
14 28 (6.75%) Continuous Delivery
15 27 (6.51%) Mentoring
15 27 (6.51%) OOD
Programming Languages
1 371 (89.40%) JavaScript
2 108 (26.02%) TypeScript
3 89 (21.45%) Java
4 54 (13.01%) Java 8
5 43 (10.36%) SQL
6 35 (8.43%) ES7
7 26 (6.27%) PHP
8 25 (6.02%) Bash Shell
9 20 (4.82%) Python
10 15 (3.61%) C#
11 11 (2.65%) ES8
12 9 (2.17%) Ruby
13 4 (0.96%) Elm
13 4 (0.96%) Kotlin
14 3 (0.72%) ActionScript
14 3 (0.72%) BrightScript
14 3 (0.72%) C++
14 3 (0.72%) JSX
15 2 (0.48%) ANSI SQL
15 2 (0.48%) C
Qualifications
1 13 (3.13%) BPSS Clearance
2 12 (2.89%) Security Cleared
3 8 (1.93%) SC Cleared
4 6 (1.45%) Degree
5 4 (0.96%) DBS Check
6 2 (0.48%) DV Cleared
7 1 (0.24%) ISTQB
7 1 (0.24%) ISTQB Foundation Certification
7 1 (0.24%) SANS
Quality Assurance & Compliance
1 12 (2.89%) QA
2 6 (1.45%) WCAG
3 3 (0.72%) Disclosure Scotland
System Software
1 75 (18.07%) Docker
Systems Management
1 56 (13.49%) Kubernetes
2 36 (8.67%) Terraform
3 11 (2.65%) Ansible
4 8 (1.93%) Opscode Chef
5 3 (0.72%) Consul
5 3 (0.72%) Docker Swarm
5 3 (0.72%) Packer
6 2 (0.48%) Istio
7 1 (0.24%) Marathon
7 1 (0.24%) Mesos
7 1 (0.24%) Puppet
Vendors
1 23 (5.54%) Google
2 11 (2.65%) Microsoft
3 8 (1.93%) hybris
4 6 (1.45%) Adobe
4 6 (1.45%) Atlassian
4 6 (1.45%) Sitecore
5 5 (1.20%) IBM
6 3 (0.72%) Roku
6 3 (0.72%) Salesforce.com
7 2 (0.48%) SAP
8 1 (0.24%) Capita
8 1 (0.24%) Oracle
8 1 (0.24%) OutSystems
8 1 (0.24%) Splunk
8 1 (0.24%) Twitter
8 1 (0.24%) WooCommerce
8 1 (0.24%) Xamarin