Period
to 18 April 2021

The following table provides summary statistics for contract job vacancies advertised in London 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 18 April 2021 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)
England > London
6 months to
18 Apr 2021
Same period 2020 Same period 2019
Rank 277 243 166
Rank change year-on-year -34 -77 +19
Contract jobs citing ES6 184 229 757
As % of all contract jobs advertised in London 0.84% 0.97% 1.79%
As % of the Programming Languages category 1.76% 2.03% 3.74%
Number of daily rates quoted 119 165 599
10th Percentile £343 £400 £375
25th Percentile £425 £456 £450
Median daily rate (50th Percentile) £500 £550 £525
Median % change year-on-year -9.09% +4.76% -
75th Percentile £619 £625 £600
90th Percentile £675 £700 £675
England median daily rate £463 £513 £500
% change year-on-year -9.76% +2.50% -
Number of hourly rates quoted 4 0 0
Median hourly rate £39.75 - -
England median hourly rate £39.75 - -

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 advertised in London with a requirement for coding skills.

All Programming Languages
London
Contract vacancies with a requirement for coding skills 10,468 11,265 20,251
As % of all contract IT jobs advertised in London 47.60% 47.77% 47.82%
Number of daily rates quoted 7,822 8,424 15,407
10th Percentile £363 £369 £363
25th Percentile £438 £438 £425
Median daily rate (50th Percentile) £525 £525 £525
75th Percentile £638 £613 £610
90th Percentile £713 £700 £675
England median daily rate £500 £500 £485
% change year-on-year - +3.09% +2.11%
Number of hourly rates quoted 71 82 108
10th Percentile £21.00 £18.98 £18.39
25th Percentile £28.61 £31.40 £21.22
Median hourly rate £43.00 £48.17 £36.00
Median % change year-on-year -10.72% +33.79% +6.97%
75th Percentile £61.50 £61.19 £47.50
90th Percentile £68.00 £69.10 £53.75
England median hourly rate £42.50 £44.00 £42.50
% change year-on-year -3.41% +3.53% +6.25%

ES6
Job Vacancy Trend in London

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

Job vacancy trend for ES6 in London

ES6
Contractor Daily Rate Trend in London

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

Daily rate trend for ES6 in London

ES6
Daily Rate Histogram in London

Daily rate distribution for jobs citing ES6 in London over the 6 months to 18 April 2021.

Daily rate histogram for ES6 in London

ES6
Contractor Hourly Rate Trend in London

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

Hourly rate trend for ES6 in London

ES6
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing ES6 within the London region over the 6 months to 18 April 2021. 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
Central London +28 22 £475 -9.52% 40
West London +20 4 £550 +23.94% 16
South London +39 3 £450 -14.29%
East London +21 1 - - 5
ES6
England

For the 6 months to 18 April 2021, 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 across the London region with a requirement for ES6.

1 171 (92.93%) JavaScript
2 126 (68.48%) CSS
3 119 (64.67%) HTML
4 114 (61.96%) Node.js
5 105 (57.07%) React
6 100 (54.35%) Agile Software Development
7 80 (43.48%) Redux
8 72 (39.13%) TypeScript
9 71 (38.59%) Git (software)
10 63 (34.24%) webpack
11 60 (32.61%) HTML5
12 56 (30.43%) REST
12 56 (30.43%) GraphQL
13 55 (29.89%) User Experience
13 55 (29.89%) TDD
14 54 (29.35%) Azure
15 49 (26.63%) Java
15 49 (26.63%) SQL
15 49 (26.63%) Front End Development
16 47 (25.54%) Jest
16 47 (25.54%) AWS
17 45 (24.46%) Test Automation
18 42 (22.83%) AngularJS
19 40 (21.74%) CSS3
20 39 (21.20%) Sass
21 38 (20.65%) Unit Testing
22 37 (20.11%) PostgreSQL
23 36 (19.57%) Software Engineering
23 36 (19.57%) Express
24 33 (17.93%) Microservices

ES6
Co-occurring IT Skills in London 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 (8.70%) Elasticsearch
2 13 (7.07%) Camunda
3 8 (4.35%) Adobe Experience Manager
4 5 (2.72%) Confluence
5 4 (2.17%) Apache
6 2 (1.09%) CMS
6 2 (1.09%) nginx
6 2 (1.09%) SharePoint
6 2 (1.09%) WordPress
7 1 (0.54%) Cloud Foundry
7 1 (0.54%) Drupal
7 1 (0.54%) Headless CMS
7 1 (0.54%) IIS
7 1 (0.54%) Magnolia
7 1 (0.54%) WebSphere
Applications
1 2 (1.09%) Photoshop
2 1 (0.54%) Adobe Creative Suite
2 1 (0.54%) Figma
Business Applications
1 5 (2.72%) Adobe Campaign
1 5 (2.72%) Shopify
2 3 (1.63%) Magento
3 2 (1.09%) Payment Gateway
Cloud Services
1 54 (29.35%) Azure
2 47 (25.54%) AWS
3 27 (14.67%) Serverless
4 24 (13.04%) npm
5 16 (8.70%) GitHub
6 15 (8.15%) GCP
6 15 (8.15%) Heroku
7 10 (5.43%) Azure Functions
8 8 (4.35%) AWS Lambda
8 8 (4.35%) Logic Apps
9 5 (2.72%) Azure Active Directory
10 3 (1.63%) Trello
11 2 (1.09%) Amazon ECS
11 2 (1.09%) Yarn
12 1 (0.54%) Amazon EC2
12 1 (0.54%) BrowserStack
12 1 (0.54%) Cloud Computing
12 1 (0.54%) Datadog
12 1 (0.54%) OpenShift
12 1 (0.54%) Virtual Private Cloud
Communications & Networking
1 5 (2.72%) DMARC
1 5 (2.72%) DNS
1 5 (2.72%) SMS
1 5 (2.72%) SMTP
2 3 (1.63%) HTTP
3 2 (1.09%) Internet
4 1 (0.54%) WebEx
Database & Business Intelligence
1 37 (20.11%) PostgreSQL
2 32 (17.39%) NoSQL
3 15 (8.15%) MongoDB
4 14 (7.61%) MySQL
5 12 (6.52%) SQL Server
6 9 (4.89%) Redis
7 5 (2.72%) CockroachDB
8 3 (1.63%) Relational Database
9 2 (1.09%) Amazon DynamoDB
9 2 (1.09%) Cosmos DB
9 2 (1.09%) Jackrabbit
9 2 (1.09%) RDBMS
10 1 (0.54%) Amazon RDS
10 1 (0.54%) Apache Cassandra
10 1 (0.54%) Couchbase
10 1 (0.54%) MariaDB
Development Applications
1 71 (38.59%) Git (software)
2 63 (34.24%) webpack
3 24 (13.04%) Jenkins
4 21 (11.41%) Cypress.io
5 19 (10.33%) Jasmine
6 13 (7.07%) Cucumber
7 12 (6.52%) CircleCI
7 12 (6.52%) gulp
7 12 (6.52%) Mocha
8 10 (5.43%) JIRA
9 9 (4.89%) Grunt
9 9 (4.89%) Selenium
10 8 (4.35%) Karma Test Runner
10 8 (4.35%) Protractor
11 7 (3.80%) TeamCity
12 6 (3.26%) Babel
12 6 (3.26%) JUnit
13 5 (2.72%) GitLab
13 5 (2.72%) Mockito
13 5 (2.72%) NUnit
General
1 18 (9.78%) Finance
2 11 (5.98%) Banking
3 10 (5.43%) Retail
4 9 (4.89%) Public Sector
5 6 (3.26%) Front Office
6 5 (2.72%) Marketing
7 4 (2.17%) Publishing
8 3 (1.63%) Advertising
9 2 (1.09%) Games
10 1 (0.54%) Billing
10 1 (0.54%) Investment Banking
10 1 (0.54%) Legal
10 1 (0.54%) Manufacturing
10 1 (0.54%) Multimedia
10 1 (0.54%) Pharmaceutical
10 1 (0.54%) Telecoms
Job Titles
1 152 (82.61%) Developer
2 63 (34.24%) React Developer
3 41 (22.28%) Full Stack Developer
4 38 (20.65%) Front End Developer (Client-Side Developer)
5 29 (15.76%) Node.js Developer
5 29 (15.76%) Senior Developer
6 20 (10.87%) Java Developer
6 20 (10.87%) JavaScript Developer
7 15 (8.15%) Angular Developer
8 10 (5.43%) Digital Developer
8 10 (5.43%) Senior React Developer
8 10 (5.43%) Software Developer
9 9 (4.89%) AWS Developer
9 9 (4.89%) Senior Front-End Developer
10 7 (3.80%) Lead Developer
10 7 (3.80%) Senior Software Developer
11 6 (3.26%) Azure Engineer
11 6 (3.26%) Mobile Developer
11 6 (3.26%) Senior Full Stack Developer
11 6 (3.26%) UI Developer
Libraries, Frameworks & Software Standards
1 126 (68.48%) CSS
2 119 (64.67%) HTML
3 114 (61.96%) Node.js
4 105 (57.07%) React
5 80 (43.48%) Redux
6 60 (32.61%) HTML5
7 56 (30.43%) GraphQL
7 56 (30.43%) REST
8 47 (25.54%) Jest
9 42 (22.83%) AngularJS
10 40 (21.74%) CSS3
11 39 (21.20%) Sass
12 36 (19.57%) Express
13 28 (15.22%) RESTful
13 28 (15.22%) Spring
14 23 (12.50%) Enzyme
14 23 (12.50%) React Native
14 23 (12.50%) Spring Boot
15 18 (9.78%) XHR
16 15 (8.15%) .NET
Miscellaneous
1 55 (29.89%) User Experience
2 23 (12.50%) Analytical Skills
3 16 (8.70%) Algorithms
3 16 (8.70%) Data Structures
4 12 (6.52%) Cloud Native
4 12 (6.52%) Mobile App
5 8 (4.35%) Public Cloud
6 5 (2.72%) Foreign Exchange (FX)
6 5 (2.72%) Marketing Technology
6 5 (2.72%) Social Media
7 4 (2.17%) Blog
7 4 (2.17%) Greenfield Project
7 4 (2.17%) Self-Motivation
8 2 (1.09%) Fixed Income
8 2 (1.09%) Hedge funds
8 2 (1.09%) Linux Command Line
9 1 (0.54%) 3D Graphics
9 1 (0.54%) Derivative
9 1 (0.54%) Replication
9 1 (0.54%) STB
Operating Systems
1 19 (10.33%) Android
2 18 (9.78%) Apple iOS
3 10 (5.43%) Unix
4 9 (4.89%) Linux
5 4 (2.17%) Mac OS
6 2 (1.09%) VMS
6 2 (1.09%) Windows
7 1 (0.54%) Mac OS X
7 1 (0.54%) Solaris
Processes & Methodologies
1 100 (54.35%) Agile Software Development
2 55 (29.89%) TDD
3 49 (26.63%) Front End Development
4 45 (24.46%) Test Automation
5 38 (20.65%) Unit Testing
6 36 (19.57%) Software Engineering
7 33 (17.93%) Microservices
8 32 (17.39%) Problem-Solving
9 31 (16.85%) DevOps
10 30 (16.30%) OO
11 29 (15.76%) Asynchronous Programming
11 29 (15.76%) Open Source
12 27 (14.67%) Continuous Integration
13 26 (14.13%) Computer Science
14 25 (13.59%) API Design
15 24 (13.04%) Web Development
16 19 (10.33%) BDD
17 18 (9.78%) Continuous Improvement
18 17 (9.24%) OOD
19 16 (8.70%) SDLC
Programming Languages
1 171 (92.93%) JavaScript
2 72 (39.13%) TypeScript
3 49 (26.63%) Java
3 49 (26.63%) SQL
4 21 (11.41%) Java 8
5 11 (5.98%) C#
6 10 (5.43%) ES7
6 10 (5.43%) Python
7 5 (2.72%) Ruby
8 2 (1.09%) Bash Shell
9 1 (0.54%) C++
9 1 (0.54%) Go
9 1 (0.54%) JSX
9 1 (0.54%) Kotlin
9 1 (0.54%) PHP
9 1 (0.54%) Scala
Qualifications
1 16 (8.70%) SC Cleared
1 16 (8.70%) Security Cleared
2 8 (4.35%) Degree
3 3 (1.63%) Computer Science Degree
4 1 (0.54%) BPSS Clearance
4 1 (0.54%) DBS Check
4 1 (0.54%) Master's Degree
4 1 (0.54%) Numerate Degree
4 1 (0.54%) PhD
Quality Assurance & Compliance
1 9 (4.89%) QA
2 5 (2.72%) Data Quality
2 5 (2.72%) GDPR
3 1 (0.54%) WCAG
System Software
1 30 (16.30%) Docker
2 1 (0.54%) OpenAM
2 1 (0.54%) Virtual Machines
Systems Management
1 28 (15.22%) Kubernetes
2 9 (4.89%) Ansible
3 2 (1.09%) Opscode Chef
3 2 (1.09%) Terraform
4 1 (0.54%) Consul
4 1 (0.54%) Hadoop YARN
4 1 (0.54%) Packer
4 1 (0.54%) Puppet
Vendors
1 16 (8.70%) Adobe
2 11 (5.98%) Google
3 5 (2.72%) Oracle
4 4 (2.17%) Apple
4 4 (2.17%) Microsoft
5 3 (1.63%) hybris
6 2 (1.09%) WorldPay
7 1 (0.54%) Atlassian
7 1 (0.54%) IBM
7 1 (0.54%) Monetate
7 1 (0.54%) Splunk