Period
to 16 February 2020

The median contractor rate for a JavaScript Developer was £475 per day in advertised job vacancies during the 6 months to 16 February 2020.

The first table below provides contractor rate benchmarking and summary statistics including a comparison to 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.

JavaScript Developer
UK
6 months to
16 Feb 2020
Same period 2019 Same period 2018
Rank 208 175 130
Rank change year-on-year -33 -45 -20
Contract jobs requiring a JavaScript Developer 875 1,631 2,024
As % of all contract IT jobs advertised in the UK 1.29% 1.66% 2.00%
As % of the Job Titles category 1.37% 1.75% 2.11%
Number of daily rates quoted 688 1,338 1,645
UK median daily rate £475 £475 £450
Median daily rate % change year-on-year - +5.56% +5.88%
10th Percentile £325 £325 £319
90th Percentile £638 £625 £603
UK excluding London median daily rate £415 £425 £400
% change year-on-year -2.35% +6.25% +3.23%
Number of hourly rates quoted 6 5 7
UK median hourly rate £61.25 £35.00 £45.00
Median hourly rate % change year-on-year +75.00% -22.22% +4.65%
10th Percentile £27.19 £34.40 £37.76
90th Percentile £78.75 £44.50 £49.25
UK excluding London median hourly rate - £35.00 £45.00
% change year-on-year - -22.22% +5.88%

The following table is for comparison with the above and includes summary statistics for all contract IT job vacancies. Most job vacancies include a discernible job title that can be normalized. As such, the figures in the second row provide an indication of the number of contract jobs in our overall sample.

All Contract IT Job Vacancies
UK
Contract vacancies in the UK with a recognized job title 63,877 93,174 96,152
% of contract IT jobs with a recognized job title 93.89% 94.68% 94.90%
Number of daily rates quoted 41,372 61,655 63,767
UK median daily rate £450 £460 £450
Median daily rate % change year-on-year -2.17% +2.22% +5.88%
10th Percentile £238 £275 £263
90th Percentile £650 £644 £625
UK excluding London median daily rate £425 £425 £400
% change year-on-year - +6.25% -
Number of hourly rates quoted 2,553 2,918 2,870
UK median hourly rate £19.00 £18.70 £18.70
Median hourly rate % change year-on-year +1.60% - +3.89%
10th Percentile £11.50 £11.00 £10.91
90th Percentile £51.75 £48.75 £48.20
UK excluding London median hourly rate £18.00 £17.50 £17.50
% change year-on-year +2.86% - -

JavaScript Developer
Job Vacancy Trend

Job postings that featured JavaScript Developer in the job title as a percentage of all IT jobs advertised.

Job vacancy trend for JavaScript Developer in the UK

JavaScript Developer
Contractor Daily Rate Trend

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

Contractor daily rate trend for JavaScript Developer in the UK

JavaScript Developer
Contractor Daily Rate Histogram

The daily rate distribution of IT jobs citing JavaScript Developer over the 6 months to 16 February 2020.

Contractor daily rate histogram for JavaScript Developer in the UK

JavaScript Developer
Contractor Hourly Rate Trend

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing JavaScript Developer.

Contractor hourly rate trend for JavaScript Developer in the UK

JavaScript Developer
Contractor Hourly Rate Histogram

The hourly rate distribution of IT jobs citing JavaScript Developer over the 6 months to 16 February 2020.

Contractor hourly rate histogram for JavaScript Developer in the UK

JavaScript Developer
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 JavaScript Developer within the UK over the 6 months to 16 February 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 -28 804 £486 +2.37% 515
London -37 460 £538 +7.50% 234
UK excluding London -7 399 £415 -2.35% 305
North of England -6 109 £420 +3.07% 102
South East -41 79 £450 +2.86% 71
South West +23 65 £425 - 41
Midlands +54 59 £375 +7.14% 33
North West +24 59 £425 - 57
Scotland +15 43 £410 -3.53% 17
Yorkshire 0 43 £400 -0.62% 40
East Midlands +38 33 £400 +14.29% 18
East of England +41 32 £463 +8.82% 33
West Midlands +48 26 £363 +3.57% 15
Northern Ireland - 8 £375 -
North East +22 7 £431 +1.47% 5
Wales +25 4 £335 -33.00% 8

JavaScript Developer Skill Set
Top 30 Co-occurring IT Skills

For the 6 months to 16 February 2020, JavaScript Developer contract jobs required the following IT skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads featuring JavaScript Developer in the job title.

1 875 (100.00%) JavaScript
2 471 (53.83%) React
3 401 (45.83%) HTML
4 400 (45.71%) Agile Software Development
5 381 (43.54%) CSS
6 358 (40.91%) Node.js
7 281 (32.11%) AngularJS
8 192 (21.94%) Front End Development
9 169 (19.31%) TDD
10 165 (18.86%) TypeScript
11 161 (18.40%) Redux
12 155 (17.71%) HTML5
13 134 (15.31%) Finance
13 134 (15.31%) Java
14 127 (14.51%) .NET
15 125 (14.29%) AWS
16 123 (14.06%) C#
17 122 (13.94%) Git (software)
18 118 (13.49%) Azure
19 109 (12.46%) Vue.js
20 101 (11.54%) ES6
21 99 (11.31%) Test Automation
22 98 (11.20%) SQL
23 93 (10.63%) jQuery
24 91 (10.40%) Docker
25 90 (10.29%) Greenfield Project
26 89 (10.17%) Web Development
27 86 (9.83%) DevOps
28 84 (9.60%) MVC
29 82 (9.37%) Python

JavaScript Developer Skill Set
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 20 (2.29%) CMS
1 20 (2.29%) Elasticsearch
2 12 (1.37%) ArcGIS
3 11 (1.26%) Confluence
4 10 (1.14%) WordPress
5 8 (0.91%) Apache
6 6 (0.69%) SharePoint
7 5 (0.57%) IIS
8 4 (0.46%) Apache Spark
9 3 (0.34%) Drupal
10 2 (0.23%) Apache Solr
10 2 (0.23%) Cloud Foundry
10 2 (0.23%) Mendix
10 2 (0.23%) nginx
10 2 (0.23%) Umbraco
11 1 (0.11%) Adobe Experience Manager
11 1 (0.11%) Alfresco
11 1 (0.11%) Headless CMS
11 1 (0.11%) Oracle SOA Suite
11 1 (0.11%) WebLogic
Applications
1 8 (0.91%) Photoshop
2 3 (0.34%) Adobe Illustrator
2 3 (0.34%) Chatbot
2 3 (0.34%) Microsoft Excel
3 2 (0.23%) InVision
4 1 (0.11%) Microsoft Office
Business Applications
1 4 (0.46%) Magento
2 1 (0.11%) Dynamics CRM
Cloud Services
1 125 (14.29%) AWS
2 118 (13.49%) Azure
3 56 (6.40%) GCP
4 37 (4.23%) Serverless
5 35 (4.00%) GitHub
6 31 (3.54%) npm
7 26 (2.97%) AWS Lambda
8 17 (1.94%) SaaS
9 15 (1.71%) Amazon S3
10 13 (1.49%) PaaS
11 8 (0.91%) Amazon SQS
11 8 (0.91%) Firebase
11 8 (0.91%) Google Analytics
12 7 (0.80%) Amazon ECS
12 7 (0.80%) AWS Elastic Beanstalk
12 7 (0.80%) CloudFront
12 7 (0.80%) Slack
13 6 (0.69%) AWS CloudFormation
13 6 (0.69%) Power Platform
14 5 (0.57%) OpenShift
Communications & Networking
1 21 (2.40%) HTTP
2 12 (1.37%) Internet
3 10 (1.14%) HTTPS
4 3 (0.34%) RTMP
4 3 (0.34%) SSL
4 3 (0.34%) TCP/IP
5 2 (0.23%) AMQP
5 2 (0.23%) DNS
6 1 (0.11%) Broadband
6 1 (0.11%) Firewall
6 1 (0.11%) FTP
6 1 (0.11%) Skype
6 1 (0.11%) SMTP
6 1 (0.11%) SSH
6 1 (0.11%) WEP
Database & Business Intelligence
1 57 (6.51%) MongoDB
2 55 (6.29%) SQL Server
3 42 (4.80%) Relational Database
4 39 (4.46%) MySQL
5 19 (2.17%) NoSQL
6 16 (1.83%) PostgreSQL
7 15 (1.71%) Big Data
8 12 (1.37%) Geospatial Data
8 12 (1.37%) GIS
9 10 (1.14%) Neo4j
10 9 (1.03%) Amazon Redshift
10 9 (1.03%) Azure SQL Database
10 9 (1.03%) Oracle Database
11 8 (0.91%) Hadoop
12 7 (0.80%) Amazon DynamoDB
13 6 (0.69%) Blockchain
13 6 (0.69%) Oracle Database 12c
14 5 (0.57%) Data Warehouse
14 5 (0.57%) RDBMS
15 4 (0.46%) Power BI
Development Applications
1 122 (13.94%) Git (software)
2 65 (7.43%) Jenkins
3 43 (4.91%) Selenium
4 41 (4.69%) webpack
5 37 (4.23%) gulp
6 33 (3.77%) JIRA
7 30 (3.43%) Grunt
8 22 (2.51%) Jasmine
9 18 (2.06%) Visual Studio
10 15 (1.71%) Team Foundation Server
11 12 (1.37%) Cucumber
11 12 (1.37%) JUnit
11 12 (1.37%) TeamCity
12 11 (1.26%) Karma Test Runner
12 11 (1.26%) Mocha
12 11 (1.26%) Subversion
13 10 (1.14%) Bitbucket
14 9 (1.03%) WebDriver
15 8 (0.91%) Babel
15 8 (0.91%) Protractor
General
1 134 (15.31%) Finance
2 55 (6.29%) Front Office
3 53 (6.06%) Banking
4 35 (4.00%) Public Sector
5 23 (2.63%) Retail
6 19 (2.17%) Investment Banking
7 14 (1.60%) Marketing
8 7 (0.80%) Telecoms
9 6 (0.69%) Law
9 6 (0.69%) Manufacturing
10 5 (0.57%) Automotive
10 5 (0.57%) Games
11 4 (0.46%) Advertising
11 4 (0.46%) Publishing
12 3 (0.34%) Billing
13 1 (0.11%) Back Office
13 1 (0.11%) Corporate Banking
13 1 (0.11%) Financial Institution
13 1 (0.11%) Private Banking
13 1 (0.11%) Retail Banking
Libraries, Frameworks & Software Standards
1 471 (53.83%) React
2 401 (45.83%) HTML
3 381 (43.54%) CSS
4 358 (40.91%) Node.js
5 281 (32.11%) AngularJS
6 161 (18.40%) Redux
7 155 (17.71%) HTML5
8 127 (14.51%) .NET
9 109 (12.46%) Vue.js
10 93 (10.63%) jQuery
11 73 (8.34%) ASP.NET
12 72 (8.23%) RESTful
12 72 (8.23%) Web Services
13 71 (8.11%) CSS3
14 67 (7.66%) REST
15 54 (6.17%) Sass
16 52 (5.94%) Twitter Bootstrap
17 51 (5.83%) GraphQL
18 37 (4.23%) LESS
19 36 (4.11%) ASP.NET MVC
Miscellaneous
1 90 (10.29%) Greenfield Project
2 55 (6.29%) User Experience
3 44 (5.03%) Foreign Exchange (FX)
4 36 (4.11%) Analytical Skills
4 36 (4.11%) Derivative
5 29 (3.31%) Equities
5 29 (3.31%) Fixed Income
6 25 (2.86%) Blog
7 20 (2.29%) Hedge funds
8 17 (1.94%) Mobile App
9 13 (1.49%) Algorithms
10 12 (1.37%) Self-Motivation
11 11 (1.26%) Video on Demand
11 11 (1.26%) Video\Live Streaming
12 10 (1.14%) Data Structures
13 8 (0.91%) Digital Media
14 7 (0.80%) Linux Command Line
15 6 (0.69%) Client/Server
15 6 (0.69%) Internet of Things
15 6 (0.69%) W3C
Operating Systems
1 45 (5.14%) Linux
2 22 (2.51%) Unix
3 21 (2.40%) Android
4 8 (0.91%) Mac OS
4 8 (0.91%) Mac OS X
5 6 (0.69%) Windows
6 3 (0.34%) Apple iOS
7 2 (0.23%) AIX
7 2 (0.23%) Windows Server
8 1 (0.11%) CentOS
8 1 (0.11%) Red Hat Enterprise Linux
8 1 (0.11%) Solaris
8 1 (0.11%) Ubuntu
Processes & Methodologies
1 400 (45.71%) Agile Software Development
2 192 (21.94%) Front End Development
3 169 (19.31%) TDD
4 99 (11.31%) Test Automation
5 89 (10.17%) Web Development
6 86 (9.83%) DevOps
7 84 (9.60%) MVC
8 82 (9.37%) Software Engineering
9 81 (9.26%) Scrum
10 74 (8.46%) Microservices
11 70 (8.00%) Continuous Integration
12 62 (7.09%) OO
13 57 (6.51%) Open Source
14 49 (5.60%) E-Commerce
15 48 (5.49%) BDD
16 47 (5.37%) Problem-Solving
17 37 (4.23%) Fintech
17 37 (4.23%) Unit Testing
18 36 (4.11%) Responsive Web Design
18 36 (4.11%) Web Design
Programming Languages
1 875 (100.00%) JavaScript
2 165 (18.86%) TypeScript
3 134 (15.31%) Java
4 123 (14.06%) C#
5 101 (11.54%) ES6
6 98 (11.20%) SQL
7 82 (9.37%) Python
8 59 (6.74%) PHP
9 19 (2.17%) Ruby
10 15 (1.71%) Java 8
11 14 (1.60%) C++
12 11 (1.26%) Scala
13 9 (1.03%) Kotlin
14 8 (0.91%) T-SQL
15 7 (0.80%) Go
16 5 (0.57%) Bash Shell
16 5 (0.57%) BrightScript
16 5 (0.57%) Elm
16 5 (0.57%) ES7
16 5 (0.57%) Shell Script
Qualifications
1 41 (4.69%) Security Cleared
2 35 (4.00%) Degree
3 25 (2.86%) SC Cleared
4 15 (1.71%) BPSS Clearance
5 11 (1.26%) Computer Science Degree
6 6 (0.69%) Master's Degree
6 6 (0.69%) Numerate Degree
7 4 (0.46%) BC Cleared
7 4 (0.46%) DBS Check
8 1 (0.11%) DV Cleared
8 1 (0.11%) Microsoft Certification
Quality Assurance & Compliance
1 19 (2.17%) QA
2 8 (0.91%) WCAG
3 2 (0.23%) Data Quality
4 1 (0.11%) Disclosure Scotland
4 1 (0.11%) PSD2
4 1 (0.11%) WAI
System Software
1 91 (10.40%) Docker
2 5 (0.57%) Virtual Machines
3 2 (0.23%) VMware Infrastructure
Systems Management
1 28 (3.20%) Kubernetes
2 20 (2.29%) Terraform
3 6 (0.69%) Ansible
3 6 (0.69%) Opscode Chef
4 5 (0.57%) Kibana
5 3 (0.34%) Grafana
6 2 (0.23%) Control-M
6 2 (0.23%) logstash
6 2 (0.23%) Puppet
7 1 (0.11%) cPanel
7 1 (0.11%) Docker Swarm
7 1 (0.11%) OpenNebula
7 1 (0.11%) Packer
Vendors
1 37 (4.23%) Google
1 37 (4.23%) Microsoft
2 36 (4.11%) Oracle
3 12 (1.37%) ESRI
4 6 (0.69%) Databricks
4 6 (0.69%) StreamSets
5 5 (0.57%) IBM
6 4 (0.46%) Roku
7 3 (0.34%) Adobe
8 2 (0.23%) Fidessa
8 2 (0.23%) MEDITECH
8 2 (0.23%) Tableau
8 2 (0.23%) Twitter
8 2 (0.23%) VMware
9 1 (0.11%) Atlassian
9 1 (0.11%) Facebook
9 1 (0.11%) NCR
9 1 (0.11%) Sitecore
9 1 (0.11%) WSO2
9 1 (0.11%) Xamarin