Period
to 10 August 2020

The median contractor rate for a JavaScript Developer was £520 per day in advertised job vacancies in England during the 6 months to 10 August 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 > England
6 months to
10 Aug 2020
Same period 2019 Same period 2018
Rank 194 174 123
Rank change year-on-year -20 -51 -13
Contract jobs requiring a JavaScript Developer 404 1,359 2,057
As % of all contract jobs advertised in England 1.30% 1.62% 2.18%
As % of the Job Titles category 1.39% 1.72% 2.30%
Number of daily rates quoted 341 1,122 1,703
Median daily rate £520 £500 £465
Median daily rate % change year-on-year +4.00% +7.53% +3.33%
10th Percentile £325 £350 £325
90th Percentile £700 £650 £625
UK median daily rate £509 £488 £450
% change year-on-year +4.36% +8.33% +2.86%
Number of hourly rates quoted 3 6 4
Median hourly rate £62.00 £50.34 £47.50
Median hourly rate % change year-on-year +23.17% +5.97% +18.75%
10th Percentile £36.20 £40.63 £43.25
90th Percentile £68.20 £54.84 £53.13
UK median hourly rate £62.00 £50.34 £47.50
% change year-on-year +23.17% +5.97% +18.75%

The following table is for comparison with the above and includes summary statistics for all contract IT job vacancies advertised in England. 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
England
Contract vacancies in England with a recognized job title 28,974 78,885 89,522
% of contract IT jobs with a recognized job title 93.31% 94.32% 94.82%
Number of daily rates quoted 18,347 52,418 59,250
Median daily rate £475 £475 £450
Median daily rate % change year-on-year - +5.56% -
10th Percentile £263 £269 £275
90th Percentile £675 £650 £638
UK median daily rate £475 £465 £450
% change year-on-year +2.15% +3.33% +3.45%
Number of hourly rates quoted 1,161 2,598 2,850
Median hourly rate £27.00 £20.00 £18.70
Median hourly rate % change year-on-year +35.00% +6.95% +1.08%
10th Percentile £12.00 £11.17 £11.17
90th Percentile £52.50 £52.50 £48.75
Median hourly rate £26.50 £19.50 £18.00
% change year-on-year +35.90% +8.33% -3.74%

JavaScript Developer
Job Vacancy Trend in England

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

Job vacancy trend for JavaScript Developer in England

JavaScript Developer
Contractor Daily Rate Trend in England

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

Daily rate trend for JavaScript Developer in England

JavaScript Developer
Daily Rate Histogram in England

Daily rate distribution for jobs citing JavaScript Developer in England over the 6 months to 10 August 2020.

Daily rate histogram for JavaScript Developer in England

JavaScript Developer
Contractor Hourly Rate Trend in England

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

Hourly rate trend for JavaScript Developer in England

JavaScript Developer
Hourly Rate Histogram in England

Hourly rate distribution of jobs citing JavaScript Developer in England over the 6 months to 10 August 2020.

Hourly rate histogram for JavaScript Developer in England

JavaScript Developer
Contract Job Locations in England

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 England region over the 6 months to 10 August 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
London -13 295 £550 +8.91% 72
North of England +17 50 £375 -11.76% 29
Yorkshire +57 27 £375 -4.76% 8
South West +66 19 £400 -1.54% 21
South East +27 15 £463 +2.78% 21
North West -4 15 £425 - 18
Midlands +49 12 £450 +24.57% 19
East of England +70 11 £350 -15.92% 20
North East +37 8 £560 +24.44% 3
West Midlands +49 6 £475 +26.67% 5
East Midlands +38 6 £450 +28.57% 14
JavaScript Developer
UK

JavaScript Developer Skill Set
Top 30 Co-occurring IT Skills in England

For the 6 months to 10 August 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 across the England region featuring JavaScript Developer in the job title.

1 404 (100.00%) JavaScript
2 237 (58.66%) React
3 235 (58.17%) Agile Software Development
4 166 (41.09%) Node.js
5 163 (40.35%) HTML
6 147 (36.39%) AngularJS
7 135 (33.42%) CSS
8 119 (29.46%) TDD
9 110 (27.23%) AWS
10 98 (24.26%) Azure
11 94 (23.27%) Java
11 94 (23.27%) Front End Development
12 90 (22.28%) Finance
13 84 (20.79%) Front Office
13 84 (20.79%) Web Services
14 80 (19.80%) HTML5
15 77 (19.06%) TypeScript
16 76 (18.81%) Vue.js
16 76 (18.81%) Software Engineering
16 76 (18.81%) Python
17 72 (17.82%) .NET
17 72 (17.82%) Fixed Income
18 62 (15.35%) GCP
19 54 (13.37%) Google
19 54 (13.37%) DevOps
20 52 (12.87%) Banking
21 51 (12.62%) Asset Management
22 50 (12.38%) Derivative
23 48 (11.88%) Equities
23 48 (11.88%) Redux

JavaScript Developer Skill Set
Co-occurring IT Skills in England 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 24 (5.94%) Elasticsearch
2 12 (2.97%) CMS
3 8 (1.98%) IIS
3 8 (1.98%) SharePoint
4 7 (1.73%) Headless CMS
5 4 (0.99%) Confluence
6 2 (0.50%) Apache Spark
6 2 (0.50%) Cloud Foundry
6 2 (0.50%) Sitefinity
7 1 (0.25%) Apache
7 1 (0.25%) nginx
7 1 (0.25%) SharePoint 2010
7 1 (0.25%) Umbraco
Applications
1 1 (0.25%) Photoshop
Business Applications
1 1 (0.25%) Payment Gateway
1 1 (0.25%) Salesforce.com CRM
1 1 (0.25%) Shopify
Cloud Services
1 110 (27.23%) AWS
2 98 (24.26%) Azure
3 62 (15.35%) GCP
4 39 (9.65%) Serverless
5 32 (7.92%) AWS Lambda
6 14 (3.47%) Amazon EC2
7 7 (1.73%) AWS CloudFormation
7 7 (1.73%) GitHub
8 6 (1.49%) Firebase
8 6 (1.49%) npm
9 5 (1.24%) Azure Functions
10 4 (0.99%) Amazon ECS
10 4 (0.99%) Amazon S3
10 4 (0.99%) SaaS
10 4 (0.99%) Yarn
11 3 (0.74%) Amazon EKS
11 3 (0.74%) AWS CodePipeline
12 2 (0.50%) Amazon Cognito
12 2 (0.50%) BlazeMeter
12 2 (0.50%) Logic Apps
Communications & Networking
1 2 (0.50%) HTTP
2 1 (0.25%) HbbTV
2 1 (0.25%) Internet
2 1 (0.25%) MQTT
2 1 (0.25%) RTMP
2 1 (0.25%) TCP/IP
Database & Business Intelligence
1 24 (5.94%) SQL Server
2 21 (5.20%) PostgreSQL
3 15 (3.71%) NoSQL
4 14 (3.47%) MongoDB
5 12 (2.97%) Amazon RDS
6 8 (1.98%) MySQL
7 5 (1.24%) Big Data
8 4 (0.99%) Amazon DynamoDB
8 4 (0.99%) Relational Database
9 3 (0.74%) SQL Server 2019
9 3 (0.74%) SQL Server Integration Services
10 2 (0.50%) Azure SQL Database
10 2 (0.50%) Cosmos DB
10 2 (0.50%) Hadoop
10 2 (0.50%) Redis
11 1 (0.25%) Apache Cassandra
11 1 (0.25%) ArangoDB
11 1 (0.25%) BigQuery
11 1 (0.25%) CouchDB
11 1 (0.25%) SQL Server 2014
Development Applications
1 43 (10.64%) Git (software)
2 31 (7.67%) RStudio
3 22 (5.45%) Jenkins
4 15 (3.71%) webpack
5 11 (2.72%) Selenium
6 10 (2.48%) gulp
6 10 (2.48%) Jasmine
6 10 (2.48%) TeamCity
7 8 (1.98%) CircleCI
7 8 (1.98%) JIRA
8 7 (1.73%) Grunt
9 6 (1.49%) Babel
9 6 (1.49%) Mocha
9 6 (1.49%) Subversion
9 6 (1.49%) Team Foundation Server
9 6 (1.49%) WebDriver
10 5 (1.24%) Cypress.io
11 4 (0.99%) Cucumber
11 4 (0.99%) Visual Studio
12 3 (0.74%) Hudson
General
1 90 (22.28%) Finance
2 84 (20.79%) Front Office
3 52 (12.87%) Banking
4 40 (9.90%) Investment Banking
5 16 (3.96%) Public Sector
6 12 (2.97%) Retail
7 5 (1.24%) Back Office
8 4 (0.99%) Automotive
9 3 (0.74%) Financial Institution
10 2 (0.50%) Electronics
10 2 (0.50%) Manufacturing
10 2 (0.50%) Marketing
10 2 (0.50%) Telecoms
11 1 (0.25%) Advertising
11 1 (0.25%) Aerospace
11 1 (0.25%) Games
11 1 (0.25%) Law
11 1 (0.25%) Legal
11 1 (0.25%) Local Government
11 1 (0.25%) Publishing
Libraries, Frameworks & Software Standards
1 237 (58.66%) React
2 166 (41.09%) Node.js
3 163 (40.35%) HTML
4 147 (36.39%) AngularJS
5 135 (33.42%) CSS
6 84 (20.79%) Web Services
7 80 (19.80%) HTML5
8 76 (18.81%) Vue.js
9 72 (17.82%) .NET
10 48 (11.88%) Redux
11 47 (11.63%) RESTful
12 44 (10.89%) ASP.NET
12 44 (10.89%) REST
13 42 (10.40%) GraphQL
14 37 (9.16%) ASP.NET Web API
15 33 (8.17%) CSS3
16 27 (6.68%) ASP.NET Core
16 27 (6.68%) Sass
17 23 (5.69%) jQuery
18 20 (4.95%) Entity Framework
Miscellaneous
1 72 (17.82%) Fixed Income
2 50 (12.38%) Derivative
3 48 (11.88%) Equities
4 46 (11.39%) Foreign Exchange (FX)
5 45 (11.14%) Hedge funds
6 36 (8.91%) Greenfield Project
7 26 (6.44%) User Experience
8 18 (4.46%) Analytical Skills
9 13 (3.22%) Mobile App
10 10 (2.48%) Video\Live Streaming
11 9 (2.23%) Cloud Native
12 8 (1.98%) Over-the-Top Content
13 7 (1.73%) Video on Demand
14 5 (1.24%) Enterprise Software
14 5 (1.24%) IPTV
14 5 (1.24%) STB
15 4 (0.99%) Algorithms
15 4 (0.99%) Public Cloud
16 3 (0.74%) Data Centre
16 3 (0.74%) Self-Motivation
Operating Systems
1 19 (4.70%) Android
2 11 (2.72%) Linux
3 10 (2.48%) Windows
4 8 (1.98%) Apple iOS
4 8 (1.98%) Windows Server
5 6 (1.49%) Unix
6 4 (0.99%) Mac OS X
7 2 (0.50%) Mac OS
7 2 (0.50%) tvOS
8 1 (0.25%) CoreOS
Processes & Methodologies
1 235 (58.17%) Agile Software Development
2 119 (29.46%) TDD
3 94 (23.27%) Front End Development
4 76 (18.81%) Software Engineering
5 54 (13.37%) DevOps
6 51 (12.62%) Asset Management
7 45 (11.14%) BDD
7 45 (11.14%) OO
8 43 (10.64%) Investment Management
9 35 (8.66%) Continuous Integration
10 34 (8.42%) Decision-Making
10 34 (8.42%) Scrum
11 32 (7.92%) Business Analysis
12 31 (7.67%) Portfolio Management
13 30 (7.43%) MVC
13 30 (7.43%) SOLID
14 29 (7.18%) Unit Testing
14 29 (7.18%) Web Development
15 27 (6.68%) E-Commerce
16 25 (6.19%) SOA
Programming Languages
1 404 (100.00%) JavaScript
2 94 (23.27%) Java
3 77 (19.06%) TypeScript
4 76 (18.81%) Python
5 44 (10.89%) SQL
6 40 (9.90%) C#
7 23 (5.69%) ES6
8 10 (2.48%) PHP
8 10 (2.48%) R
9 7 (1.73%) BrightScript
10 6 (1.49%) ActionScript
10 6 (1.49%) T-SQL
11 4 (0.99%) C
12 3 (0.74%) Apex Code
12 3 (0.74%) ES7
12 3 (0.74%) ES8
13 2 (0.50%) Go
13 2 (0.50%) Kotlin
13 2 (0.50%) PowerShell
13 2 (0.50%) Ruby
Qualifications
1 15 (3.71%) Security Cleared
2 13 (3.22%) SC Cleared
3 11 (2.72%) Degree
4 2 (0.50%) BPSS Clearance
4 2 (0.50%) Computer Science Degree
4 2 (0.50%) DBS Check
4 2 (0.50%) DV Cleared
5 1 (0.25%) Numerate Degree
Quality Assurance & Compliance
1 15 (3.71%) QA
2 7 (1.73%) WCAG
System Software
1 26 (6.44%) Docker
Systems Management
1 24 (5.94%) Kubernetes
2 6 (1.49%) Terraform
3 5 (1.24%) Ansible
4 3 (0.74%) Kibana
5 2 (0.50%) Mesos
5 2 (0.50%) Opscode Chef
6 1 (0.25%) Grafana
6 1 (0.25%) Marathon
6 1 (0.25%) OpenNebula
6 1 (0.25%) Single Sign-On
Vendors
1 54 (13.37%) Google
2 10 (2.48%) Oracle
3 9 (2.23%) Microsoft
4 7 (1.73%) Roku
5 3 (0.74%) Bloomberg
5 3 (0.74%) Salesforce.com
6 2 (0.50%) Conga
6 2 (0.50%) DocuSign
6 2 (0.50%) SAP
6 2 (0.50%) Sitecore
7 1 (0.25%) Adobe
7 1 (0.25%) Atlassian
7 1 (0.25%) Cognos
7 1 (0.25%) IBM
7 1 (0.25%) Lets Encrypt
7 1 (0.25%) Reuters
7 1 (0.25%) Twitter