Period
to 5 December 2019

The median contractor rate for a JavaScript Developer was £475 per day in advertised job vacancies during the 6 months to 5 December 2019.

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
5 Dec 2019
Same period 2018 Same period 2017
Rank 202 145 118
Rank change year-on-year -57 -27 -9
Contract jobs requiring a JavaScript Developer 1,120 1,974 2,209
As % of all contract IT jobs advertised in the UK 1.37% 1.89% 2.14%
As % of the Job Titles category 1.46% 1.99% 2.25%
Number of daily rates quoted 912 1,629 1,786
UK median daily rate £475 £475 £450
Median daily rate % change year-on-year - +5.56% +5.88%
10th Percentile £338 £325 £313
90th Percentile £650 £625 £613
UK excluding London median daily rate £425 £411 £398
% change year-on-year +3.34% +3.46% +4.61%
Number of hourly rates quoted 6 7 10
UK median hourly rate £61.25 £45.00 £42.06
Median hourly rate % change year-on-year +36.11% +7.00% -1.05%
10th Percentile £27.19 £35.00 £37.00
90th Percentile £78.75 £51.25 £47.75
UK excluding London median hourly rate - £45.00 £42.06
% change year-on-year - +7.00% +15.22%

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 76,946 99,214 98,101
% of contract IT jobs with a recognized job title 94.00% 94.81% 94.93%
Number of daily rates quoted 50,308 65,663 64,886
UK median daily rate £452 £450 £450
Median daily rate % change year-on-year +0.39% - +5.88%
10th Percentile £250 £270 £258
90th Percentile £644 £638 £625
UK excluding London median daily rate £425 £425 £400
% change year-on-year - +6.25% +1.78%
Number of hourly rates quoted 2,949 3,103 2,911
UK median hourly rate £19.47 £18.12 £18.70
Median hourly rate % change year-on-year +7.45% -3.13% +3.89%
10th Percentile £11.17 £11.00 £10.75
90th Percentile £52.50 £48.75 £47.83
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 5 December 2019.

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 5 December 2019.

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 5 December 2019. 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 -53 1,050 £475 - 437
London -39 646 £525 +5.00% 241
UK excluding London -46 451 £425 +3.34% 221
North of England 0 146 £438 +9.38% 51
South East -83 107 £425 - 42
North West +15 81 £438 +9.38% 28
South West -1 68 £425 +6.12% 26
Midlands +36 53 £375 +7.14% 49
Yorkshire -16 52 £438 +8.02% 19
Scotland -11 37 £400 -5.88% 16
East Midlands +33 31 £360 +5.88% 22
East of England +30 29 £425 - 28
West Midlands +22 23 £390 +4.00% 27
North East +26 13 £438 +25.00% 4
Northern Ireland +12 7 £375 -13.29% 4
Wales +24 4 £335 -36.94% 5

JavaScript Developer Skill Set
Top 30 Co-occurring IT Skills

For the 6 months to 5 December 2019, 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 1,120 (100.00%) JavaScript
2 572 (51.07%) React
3 509 (45.45%) Agile Software Development
4 489 (43.66%) HTML
4 489 (43.66%) Node.js
5 463 (41.34%) CSS
6 354 (31.61%) AngularJS
7 263 (23.48%) Front End Development
8 252 (22.50%) TDD
9 196 (17.50%) HTML5
10 195 (17.41%) Redux
11 179 (15.98%) TypeScript
12 171 (15.27%) Finance
13 166 (14.82%) Git (software)
14 156 (13.93%) C#
15 153 (13.66%) ES6
16 152 (13.57%) AWS
17 145 (12.95%) .NET
18 142 (12.68%) Java
19 141 (12.59%) Azure
20 123 (10.98%) Greenfield Project
21 121 (10.80%) Vue.js
22 119 (10.63%) Scrum
22 119 (10.63%) Software Engineering
23 112 (10.00%) Docker
24 110 (9.82%) Microservices
24 110 (9.82%) SQL
25 107 (9.55%) CSS3
26 106 (9.46%) DevOps
27 102 (9.11%) Test Automation

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 26 (2.32%) CMS
2 22 (1.96%) Confluence
3 16 (1.43%) Apache
4 15 (1.34%) Elasticsearch
5 14 (1.25%) WordPress
6 11 (0.98%) SharePoint
7 10 (0.89%) Apache Spark
8 8 (0.71%) Drupal
9 7 (0.63%) ArcGIS
10 4 (0.36%) IIS
11 3 (0.27%) Umbraco
12 2 (0.18%) Adobe Experience Manager
12 2 (0.18%) Apache Solr
12 2 (0.18%) JBoss
12 2 (0.18%) Joomla!
12 2 (0.18%) Mendix
12 2 (0.18%) nginx
12 2 (0.18%) Tomcat
13 1 (0.089%) Camunda
13 1 (0.089%) Headless CMS
Applications
1 15 (1.34%) Photoshop
2 6 (0.54%) Adobe Illustrator
3 4 (0.36%) Chatbot
4 3 (0.27%) Microsoft Excel
5 2 (0.18%) InVision
5 2 (0.18%) Microsoft Office
6 1 (0.089%) Adobe Creative Suite
Business Applications
1 4 (0.36%) Magento
2 1 (0.089%) Dynamics CRM
2 1 (0.089%) SAP Hybris
Cloud Services
1 152 (13.57%) AWS
2 141 (12.59%) Azure
3 59 (5.27%) Serverless
4 54 (4.82%) GCP
5 48 (4.29%) GitHub
6 43 (3.84%) AWS Lambda
7 34 (3.04%) npm
8 20 (1.79%) Amazon S3
9 14 (1.25%) Google Analytics
10 12 (1.07%) Slack
11 11 (0.98%) AWS Elastic Beanstalk
11 11 (0.98%) SaaS
12 10 (0.89%) Amazon EC2
13 9 (0.80%) Firebase
13 9 (0.80%) PaaS
14 8 (0.71%) OpenShift
15 6 (0.54%) Amazon SQS
15 6 (0.54%) AWS CloudFormation
15 6 (0.54%) Heroku
15 6 (0.54%) Power Platform
Communications & Networking
1 22 (1.96%) HTTP
2 11 (0.98%) Internet
3 10 (0.89%) HTTPS
4 3 (0.27%) RTMP
4 3 (0.27%) Skype
4 3 (0.27%) SSL
4 3 (0.27%) TCP/IP
5 2 (0.18%) AMQP
5 2 (0.18%) DNS
5 2 (0.18%) Reverse Proxy
6 1 (0.089%) Broadband
6 1 (0.089%) Firewall
6 1 (0.089%) FTP
6 1 (0.089%) Intranet
6 1 (0.089%) SMTP
6 1 (0.089%) SSH
Database & Business Intelligence
1 56 (5.00%) SQL Server
2 55 (4.91%) MongoDB
3 40 (3.57%) MySQL
4 34 (3.04%) Relational Database
5 28 (2.50%) NoSQL
6 23 (2.05%) PostgreSQL
7 21 (1.88%) Big Data
8 12 (1.07%) Blockchain
8 12 (1.07%) Hadoop
8 12 (1.07%) Neo4j
9 10 (0.89%) Amazon DynamoDB
9 10 (0.89%) Data Warehouse
10 9 (0.80%) Amazon RDS
10 9 (0.80%) Geospatial Data
11 8 (0.71%) Amazon Redshift
12 7 (0.63%) Azure SQL Database
12 7 (0.63%) GIS
12 7 (0.63%) MariaDB
13 6 (0.54%) RDBMS
14 5 (0.45%) Oracle Database
Development Applications
1 166 (14.82%) Git (software)
2 94 (8.39%) Jenkins
3 64 (5.71%) webpack
4 51 (4.55%) JIRA
5 43 (3.84%) Jasmine
5 43 (3.84%) Selenium
6 32 (2.86%) Mocha
7 30 (2.68%) gulp
8 25 (2.23%) Grunt
8 25 (2.23%) Karma Test Runner
9 24 (2.14%) Cucumber
10 23 (2.05%) Subversion
11 21 (1.88%) Bitbucket
12 20 (1.79%) JUnit
13 17 (1.52%) Visual Studio
14 16 (1.43%) Team Foundation Server
15 15 (1.34%) Babel
16 13 (1.16%) git-flow
16 13 (1.16%) TeamCity
17 11 (0.98%) NUnit
General
1 171 (15.27%) Finance
2 68 (6.07%) Banking
3 56 (5.00%) Front Office
4 37 (3.30%) Retail
5 34 (3.04%) Public Sector
6 25 (2.23%) Marketing
7 18 (1.61%) Games
8 16 (1.43%) Investment Banking
9 9 (0.80%) Law
10 8 (0.71%) Telecoms
11 6 (0.54%) Advertising
11 6 (0.54%) Publishing
12 5 (0.45%) Manufacturing
13 4 (0.36%) German Language
13 4 (0.36%) Legal
14 3 (0.27%) Aerospace
14 3 (0.27%) Automotive
14 3 (0.27%) Back Office
15 2 (0.18%) Electronics
15 2 (0.18%) Financial Institution
Libraries, Frameworks & Software Standards
1 572 (51.07%) React
2 489 (43.66%) HTML
2 489 (43.66%) Node.js
3 463 (41.34%) CSS
4 354 (31.61%) AngularJS
5 196 (17.50%) HTML5
6 195 (17.41%) Redux
7 145 (12.95%) .NET
8 121 (10.80%) Vue.js
9 107 (9.55%) CSS3
10 100 (8.93%) jQuery
11 88 (7.86%) Sass
12 85 (7.59%) RESTful
13 84 (7.50%) REST
14 77 (6.88%) Web Services
15 75 (6.70%) GraphQL
16 72 (6.43%) ASP.NET
17 48 (4.29%) Jest
17 48 (4.29%) LESS
17 48 (4.29%) Twitter Bootstrap
Miscellaneous
1 123 (10.98%) Greenfield Project
2 76 (6.79%) User Experience
3 37 (3.30%) Analytical Skills
4 30 (2.68%) Foreign Exchange (FX)
5 29 (2.59%) Mobile App
6 27 (2.41%) Derivative
7 25 (2.23%) Algorithms
8 24 (2.14%) Data Structures
9 21 (1.88%) Equities
10 19 (1.70%) Fixed Income
11 18 (1.61%) Blog
12 16 (1.43%) Self-Motivation
13 13 (1.16%) Hedge funds
13 13 (1.16%) Linux Command Line
14 12 (1.07%) Enterprise Software
14 12 (1.07%) Video\Live Streaming
15 11 (0.98%) Digital Media
15 11 (0.98%) Video on Demand
16 7 (0.63%) Analytical Mindset
16 7 (0.63%) Social Media
Operating Systems
1 53 (4.73%) Linux
2 25 (2.23%) Android
2 25 (2.23%) Unix
3 12 (1.07%) Apple iOS
4 10 (0.89%) Mac OS X
5 4 (0.36%) Mac OS
5 4 (0.36%) Windows
6 2 (0.18%) AIX
6 2 (0.18%) Solaris
6 2 (0.18%) Ubuntu
7 1 (0.089%) CentOS
7 1 (0.089%) Red Hat Enterprise Linux
Processes & Methodologies
1 509 (45.45%) Agile Software Development
2 263 (23.48%) Front End Development
3 252 (22.50%) TDD
4 119 (10.63%) Scrum
4 119 (10.63%) Software Engineering
5 110 (9.82%) Microservices
6 106 (9.46%) DevOps
7 102 (9.11%) Continuous Integration
7 102 (9.11%) Test Automation
8 101 (9.02%) Web Development
9 95 (8.48%) E-Commerce
10 88 (7.86%) BDD
11 86 (7.68%) MVC
12 82 (7.32%) OO
13 72 (6.43%) Open Source
14 61 (5.45%) Fintech
15 59 (5.27%) Problem-Solving
15 59 (5.27%) Unit Testing
16 49 (4.38%) Kanban
17 45 (4.02%) Analytics
Programming Languages
1 1,120 (100.00%) JavaScript
2 179 (15.98%) TypeScript
3 156 (13.93%) C#
4 153 (13.66%) ES6
5 142 (12.68%) Java
6 110 (9.82%) SQL
7 85 (7.59%) Python
8 62 (5.54%) PHP
9 28 (2.50%) Java 8
10 24 (2.14%) Ruby
11 16 (1.43%) ES7
12 15 (1.34%) Go
13 14 (1.25%) C++
14 11 (0.98%) Scala
15 6 (0.54%) T-SQL
16 5 (0.45%) Bash Shell
16 5 (0.45%) BrightScript
16 5 (0.45%) Shell Script
17 4 (0.36%) ActionScript
18 3 (0.27%) C
Qualifications
1 46 (4.11%) Security Cleared
2 38 (3.39%) Degree
3 28 (2.50%) SC Cleared
4 13 (1.16%) Computer Science Degree
5 12 (1.07%) BPSS Clearance
6 6 (0.54%) Master's Degree
7 4 (0.36%) BC Cleared
7 4 (0.36%) DBS Check
8 3 (0.27%) DV Cleared
9 1 (0.089%) Microsoft Certification
9 1 (0.089%) Numerate Degree
Quality Assurance & Compliance
1 29 (2.59%) QA
2 10 (0.89%) WCAG
3 2 (0.18%) Data Quality
4 1 (0.089%) Disclosure Scotland
4 1 (0.089%) PMO
4 1 (0.089%) PSD2
4 1 (0.089%) WAI
System Software
1 112 (10.00%) Docker
2 6 (0.54%) Virtual Machines
3 2 (0.18%) VMware Infrastructure
4 1 (0.089%) Active Directory
Systems Management
1 45 (4.02%) Kubernetes
2 27 (2.41%) Terraform
3 11 (0.98%) Ansible
4 8 (0.71%) Kibana
5 5 (0.45%) Puppet
6 4 (0.36%) logstash
7 3 (0.27%) Grafana
8 2 (0.18%) Control-M
8 2 (0.18%) Opscode Chef
9 1 (0.089%) cPanel
9 1 (0.089%) Docker Swarm
9 1 (0.089%) Packer
Vendors
1 44 (3.93%) Microsoft
2 43 (3.84%) Google
3 28 (2.50%) Oracle
4 10 (0.89%) Cypress Semiconductor
5 7 (0.63%) Adobe
5 7 (0.63%) ESRI
6 6 (0.54%) Databricks
6 6 (0.54%) StreamSets
7 5 (0.45%) Roku
8 4 (0.36%) WSO2
9 3 (0.27%) NCR
9 3 (0.27%) SAP
9 3 (0.27%) Twitter
10 2 (0.18%) Atlassian
10 2 (0.18%) CA
10 2 (0.18%) CA Agile Central
10 2 (0.18%) Fidessa
10 2 (0.18%) Optimizely
10 2 (0.18%) Tableau
10 2 (0.18%) VMware