Period
to 30 March 2020

The median contractor rate for a JavaScript Developer was £475 per day in advertised job vacancies during the 6 months to 30 March 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
30 Mar 2020
Same period 2019 Same period 2018
Rank 205 176 131
Rank change year-on-year -29 -45 -19
Contract jobs requiring a JavaScript Developer 797 1,572 2,080
As % of all contract jobs advertised in the UK 1.27% 1.62% 2.03%
As % of the Job Titles category 1.35% 1.71% 2.14%
Number of daily rates quoted 650 1,318 1,726
Median daily rate £475 £475 £450
Median daily rate % change year-on-year - +5.56% +5.88%
10th Percentile £325 £325 £313
90th Percentile £650 £625 £600
UK excluding London median daily rate £425 £425 £400
% change year-on-year - +6.25% +6.38%
Number of hourly rates quoted 9 7 6
Median hourly rate £72.50 £35.00 £45.00
Median hourly rate % change year-on-year +107.14% -22.22% +9.09%
10th Percentile £51.68 £34.60 £36.80
90th Percentile £78.75 £52.25 £48.13
UK excluding London median hourly rate - £41.25 £45.00
% change year-on-year - -8.33% +9.09%

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 58,880 92,151 97,089
% of contract IT jobs with a recognized job title 93.82% 94.69% 94.95%
Number of daily rates quoted 37,428 61,045 63,960
Median daily rate £460 £463 £450
Median daily rate % change year-on-year -0.54% +2.78% +5.88%
10th Percentile £228 £275 £263
90th Percentile £650 £650 £631
UK excluding London median daily rate £425 £425 £403
% change year-on-year - +5.59% +0.63%
Number of hourly rates quoted 2,509 2,844 2,948
Median hourly rate £20.00 £18.56 £18.63
Median hourly rate % change year-on-year +7.76% -0.38% +0.70%
10th Percentile £11.80 £11.01 £11.00
90th Percentile £52.25 £49.50 £48.00
Median hourly rate £18.90 £17.50 £17.50
% change year-on-year +8.00% - -

JavaScript Developer
Job Vacancy Trend

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

Job vacancy trend for JavaScript Developer in the UK

JavaScript Developer
Contractor Daily Rate Trend

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

Daily rate trend for JavaScript Developer in the UK

JavaScript Developer
Daily Rate Histogram

Daily rate distribution for jobs citing JavaScript Developer over the 6 months to 30 March 2020.

Daily rate histogram for JavaScript Developer in the UK

JavaScript Developer
Contractor Hourly Rate Trend

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

Hourly rate trend for JavaScript Developer in the UK

JavaScript Developer
Hourly Rate Histogram

Hourly rate distribution of jobs citing JavaScript Developer over the 6 months to 30 March 2020.

Hourly rate histogram for JavaScript Developer in the UK

JavaScript Developer
Top 17 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 30 March 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 -30 743 £500 +5.26% 338
London -20 447 £540 +8.00% 162
UK excluding London -6 342 £425 - 187
North of England -2 104 £420 +5.00% 62
South East -55 57 £463 +2.78% 49
South West +16 56 £425 +3.03% 18
North West -5 52 £413 -2.94% 40
Midlands +61 51 £375 +7.14% 27
Yorkshire +13 46 £410 +5.81% 15
Scotland +11 37 £425 +3.66% 9
East Midlands +40 31 £413 +10.00% 10
East of England +51 28 £475 +13.43% 19
Work from Home -13 28 £450 +12.50% 27
West Midlands +48 20 £331 -5.36% 17
Northern Ireland - 7 £375 - 2
North East +14 6 £475 +11.76% 7
Wales +19 3 £363 -14.71% 1

JavaScript Developer Skill Set
Top 30 Co-occurring IT Skills

For the 6 months to 30 March 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.

1 797 (100.00%) JavaScript
2 438 (54.96%) React
3 391 (49.06%) Agile Software Development
4 351 (44.04%) HTML
5 325 (40.78%) CSS
6 311 (39.02%) Node.js
7 235 (29.49%) AngularJS
8 172 (21.58%) Front End Development
9 167 (20.95%) TDD
10 150 (18.82%) Redux
11 146 (18.32%) TypeScript
12 137 (17.19%) HTML5
13 135 (16.94%) Finance
14 130 (16.31%) AWS
15 129 (16.19%) Java
16 120 (15.06%) .NET
17 114 (14.30%) Git (software)
18 109 (13.68%) C#
19 107 (13.43%) Azure
20 103 (12.92%) SQL
21 101 (12.67%) Vue.js
22 85 (10.66%) Web Services
23 82 (10.29%) Software Engineering
23 82 (10.29%) Docker
24 81 (10.16%) Test Automation
25 78 (9.79%) MVC
26 77 (9.66%) Python
26 77 (9.66%) jQuery
27 76 (9.54%) Greenfield Project
28 75 (9.41%) DevOps

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 28 (3.51%) Elasticsearch
2 23 (2.89%) CMS
3 11 (1.38%) IIS
4 7 (0.88%) Apache
4 7 (0.88%) ArcGIS
4 7 (0.88%) Confluence
5 6 (0.75%) WordPress
6 4 (0.50%) SharePoint
7 3 (0.38%) Apache Spark
7 3 (0.38%) Headless CMS
7 3 (0.38%) nginx
7 3 (0.38%) Umbraco
8 2 (0.25%) Apache Solr
8 2 (0.25%) Cloud Foundry
8 2 (0.25%) Mendix
9 1 (0.13%) Alfresco
9 1 (0.13%) Drupal
9 1 (0.13%) Oracle SOA Suite
9 1 (0.13%) Tomcat
9 1 (0.13%) WebLogic
Applications
1 3 (0.38%) Microsoft Excel
1 3 (0.38%) Photoshop
2 2 (0.25%) Adobe Illustrator
2 2 (0.25%) Chatbot
3 1 (0.13%) Microsoft Office
Business Applications
1 3 (0.38%) Magento
2 1 (0.13%) Shopify
Cloud Services
1 130 (16.31%) AWS
2 107 (13.43%) Azure
3 59 (7.40%) GCP
4 51 (6.40%) Serverless
5 39 (4.89%) AWS Lambda
6 32 (4.02%) GitHub
7 25 (3.14%) npm
8 16 (2.01%) SaaS
9 15 (1.88%) Amazon EC2
9 15 (1.88%) Amazon S3
10 12 (1.51%) AWS CloudFormation
11 11 (1.38%) PaaS
12 10 (1.25%) Amazon ECS
13 9 (1.13%) Amazon SQS
13 9 (1.13%) Firebase
14 7 (0.88%) AWS Elastic Beanstalk
14 7 (0.88%) CloudFront
15 6 (0.75%) Google Analytics
15 6 (0.75%) OpenShift
15 6 (0.75%) Slack
Communications & Networking
1 17 (2.13%) HTTP
2 6 (0.75%) Internet
3 5 (0.63%) HTTPS
4 3 (0.38%) RTMP
4 3 (0.38%) TCP/IP
5 2 (0.25%) AMQP
5 2 (0.25%) DNS
5 2 (0.25%) SSL
6 1 (0.13%) Broadband
6 1 (0.13%) Firewall
6 1 (0.13%) FTP
6 1 (0.13%) MQTT
6 1 (0.13%) SMTP
6 1 (0.13%) SSH
6 1 (0.13%) WEP
Database & Business Intelligence
1 51 (6.40%) MongoDB
2 49 (6.15%) SQL Server
3 37 (4.64%) MySQL
4 35 (4.39%) Relational Database
5 30 (3.76%) PostgreSQL
6 22 (2.76%) NoSQL
7 14 (1.76%) Big Data
8 12 (1.51%) Amazon RDS
9 11 (1.38%) Azure SQL Database
10 9 (1.13%) Amazon DynamoDB
10 9 (1.13%) Amazon Redshift
10 9 (1.13%) Neo4j
11 8 (1.00%) Oracle Database
12 7 (0.88%) Geospatial Data
12 7 (0.88%) GIS
12 7 (0.88%) Hadoop
13 6 (0.75%) Redis
14 5 (0.63%) Oracle Database 12c
15 4 (0.50%) RDBMS
16 3 (0.38%) Data Warehouse
Development Applications
1 114 (14.30%) Git (software)
2 64 (8.03%) Jenkins
3 37 (4.64%) webpack
4 33 (4.14%) Selenium
5 28 (3.51%) gulp
6 26 (3.26%) JIRA
7 18 (2.26%) Grunt
8 16 (2.01%) TeamCity
9 14 (1.76%) Jasmine
9 14 (1.76%) Visual Studio
10 12 (1.51%) JUnit
10 12 (1.51%) WebDriver
11 11 (1.38%) Babel
11 11 (1.38%) Team Foundation Server
12 10 (1.25%) Bitbucket
13 9 (1.13%) CircleCI
13 9 (1.13%) Cucumber
14 8 (1.00%) git-flow
14 8 (1.00%) Mocha
14 8 (1.00%) Octopus Deploy
General
1 135 (16.94%) Finance
2 70 (8.78%) Front Office
3 52 (6.52%) Banking
4 34 (4.27%) Public Sector
5 25 (3.14%) Investment Banking
6 22 (2.76%) Retail
7 10 (1.25%) Marketing
8 7 (0.88%) Automotive
9 5 (0.63%) Manufacturing
10 4 (0.50%) Advertising
10 4 (0.50%) Back Office
10 4 (0.50%) Law
10 4 (0.50%) Publishing
10 4 (0.50%) Telecoms
11 3 (0.38%) Billing
11 3 (0.38%) Financial Institution
12 2 (0.25%) Games
13 1 (0.13%) Aerospace
13 1 (0.13%) Electronics
13 1 (0.13%) Private Banking
Libraries, Frameworks & Software Standards
1 438 (54.96%) React
2 351 (44.04%) HTML
3 325 (40.78%) CSS
4 311 (39.02%) Node.js
5 235 (29.49%) AngularJS
6 150 (18.82%) Redux
7 137 (17.19%) HTML5
8 120 (15.06%) .NET
9 101 (12.67%) Vue.js
10 85 (10.66%) Web Services
11 77 (9.66%) jQuery
12 71 (8.91%) REST
13 69 (8.66%) ASP.NET
14 66 (8.28%) RESTful
15 59 (7.40%) CSS3
16 50 (6.27%) GraphQL
17 49 (6.15%) Sass
18 45 (5.65%) Twitter Bootstrap
19 39 (4.89%) ASP.NET Web API
20 34 (4.27%) .NET Framework
Miscellaneous
1 76 (9.54%) Greenfield Project
2 49 (6.15%) User Experience
3 48 (6.02%) Fixed Income
4 46 (5.77%) Foreign Exchange (FX)
5 37 (4.64%) Analytical Skills
6 35 (4.39%) Derivative
6 35 (4.39%) Hedge funds
7 31 (3.89%) Equities
8 24 (3.01%) Blog
9 20 (2.51%) Mobile App
10 10 (1.25%) Video on Demand
11 9 (1.13%) Video\Live Streaming
12 8 (1.00%) Cloud Native
12 8 (1.00%) Self-Motivation
13 7 (0.88%) Algorithms
13 7 (0.88%) STB
14 6 (0.75%) Client/Server
14 6 (0.75%) Digital Media
14 6 (0.75%) IPTV
14 6 (0.75%) Over-the-Top Content
Operating Systems
1 32 (4.02%) Linux
2 28 (3.51%) Android
3 20 (2.51%) Unix
4 15 (1.88%) Windows
5 9 (1.13%) Windows Server
6 8 (1.00%) Mac OS X
7 7 (0.88%) Mac OS
8 4 (0.50%) Apple iOS
9 2 (0.25%) AIX
10 1 (0.13%) CentOS
10 1 (0.13%) CoreOS
10 1 (0.13%) Ubuntu
Processes & Methodologies
1 391 (49.06%) Agile Software Development
2 172 (21.58%) Front End Development
3 167 (20.95%) TDD
4 82 (10.29%) Software Engineering
5 81 (10.16%) Test Automation
6 78 (9.79%) MVC
7 75 (9.41%) DevOps
7 75 (9.41%) Scrum
8 74 (9.28%) Web Development
9 72 (9.03%) Continuous Integration
10 68 (8.53%) Microservices
11 57 (7.15%) OO
12 53 (6.65%) BDD
13 50 (6.27%) E-Commerce
14 47 (5.90%) Asset Management
15 42 (5.27%) Open Source
16 38 (4.77%) Continuous Improvement
17 36 (4.52%) Responsive Web Design
17 36 (4.52%) Unit Testing
18 35 (4.39%) Web Design
Programming Languages
1 797 (100.00%) JavaScript
2 146 (18.32%) TypeScript
3 129 (16.19%) Java
4 109 (13.68%) C#
5 103 (12.92%) SQL
6 77 (9.66%) Python
7 73 (9.16%) ES6
8 52 (6.52%) PHP
9 16 (2.01%) Ruby
10 12 (1.51%) Java 8
11 10 (1.25%) C++
11 10 (1.25%) Kotlin
12 9 (1.13%) BrightScript
12 9 (1.13%) Go
12 9 (1.13%) Scala
13 7 (0.88%) ActionScript
13 7 (0.88%) T-SQL
14 6 (0.75%) Bash Shell
14 6 (0.75%) ES7
14 6 (0.75%) ES8
Qualifications
1 33 (4.14%) Security Cleared
2 31 (3.89%) Degree
3 17 (2.13%) SC Cleared
4 14 (1.76%) BPSS Clearance
5 10 (1.25%) Computer Science Degree
6 5 (0.63%) DBS Check
6 5 (0.63%) Master's Degree
6 5 (0.63%) Numerate Degree
7 3 (0.38%) BC Cleared
8 2 (0.25%) DV Cleared
9 1 (0.13%) Microsoft Certification
Quality Assurance & Compliance
1 27 (3.39%) QA
2 6 (0.75%) WCAG
3 1 (0.13%) Disclosure Scotland
3 1 (0.13%) PSD2
3 1 (0.13%) WAI
System Software
1 82 (10.29%) Docker
2 2 (0.25%) Virtual Machines
2 2 (0.25%) VMware Infrastructure
Systems Management
1 41 (5.14%) Kubernetes
2 15 (1.88%) Terraform
3 8 (1.00%) Ansible
4 7 (0.88%) Opscode Chef
5 4 (0.50%) Kibana
6 2 (0.25%) Control-M
6 2 (0.25%) Grafana
6 2 (0.25%) Mesos
6 2 (0.25%) OpenNebula
6 2 (0.25%) Puppet
7 1 (0.13%) cPanel
7 1 (0.13%) Marathon
7 1 (0.13%) Single Sign-On
Vendors
1 44 (5.52%) Google
2 37 (4.64%) Oracle
3 27 (3.39%) Microsoft
4 8 (1.00%) Roku
5 7 (0.88%) ESRI
6 5 (0.63%) Databricks
6 5 (0.63%) IBM
6 5 (0.63%) StreamSets
7 2 (0.25%) Atlassian
7 2 (0.25%) Conga
7 2 (0.25%) DocuSign
7 2 (0.25%) Fidessa
7 2 (0.25%) MEDITECH
7 2 (0.25%) Salesforce.com
7 2 (0.25%) Tableau
7 2 (0.25%) VMware
8 1 (0.13%) Bloomberg
8 1 (0.13%) Remedy
8 1 (0.13%) Sitecore
8 1 (0.13%) TIBCO