Period
to

The median contractor rate for a JavaScript Developer was £625 per day in advertised job vacancies in London during the 6 months to 28 May 2022.

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
England > London
6 months to
28 May 2022
Same period 2021 Same period 2020
Rank 250 157 154
Rank change year-on-year -93 -3 -25
Contract jobs requiring a JavaScript Developer 401 443 334
As % of all contract jobs advertised in London 1.03% 1.78% 1.72%
As % of the Job Titles category 1.11% 1.92% 1.84%
Number of daily rates quoted 347 413 280
10th Percentile £425 £401 £417
25th Percentile £513 £463 £467
Median daily rate (50th Percentile) £625 £525 £550
Median % change year-on-year +19.05% -4.55% +10.00%
75th Percentile £750 £638 £650
90th Percentile £800 £713 £713
England median daily rate £600 £500 £500
% change year-on-year +20.00% - -
Number of hourly rates quoted 7 0 3
10th Percentile - - £23.70
25th Percentile - - £37.69
Median hourly rate £35.00 - £62.00
75th Percentile £42.50 - £66.25
90th Percentile £60.00 - £68.20
England median hourly rate £35.00 £44.25 £62.00
% change year-on-year -20.90% -28.63% +23.17%

The following table is for comparison with the above and includes summary statistics for all contract IT job vacancies advertised in London. 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
London
Contract vacancies in London with a recognized job title 36,141 23,043 18,117
% of contract IT jobs with a recognized job title 92.86% 92.77% 93.55%
Number of daily rates quoted 26,551 16,585 13,105
10th Percentile £375 £340 £306
25th Percentile £465 £425 £413
Median daily rate (50th Percentile) £575 £525 £510
Median % change year-on-year +9.52% +2.94% +2.00%
75th Percentile £688 £625 £613
90th Percentile £775 £713 £700
England median daily rate £525 £495 £475
% change year-on-year +6.06% +4.21% -
Number of hourly rates quoted 396 225 236
10th Percentile £16.00 £15.29 £13.75
25th Percentile £21.48 £20.50 £17.84
Median hourly rate £35.00 £32.00 £25.00
Median % change year-on-year +9.38% +28.00% +21.95%
75th Percentile £49.25 £54.00 £46.66
90th Percentile £65.00 £66.50 £56.25
England median hourly rate £22.50 £21.33 £19.00
% change year-on-year +5.51% +12.24% +2.70%

JavaScript Developer
Job Vacancy Trend in London

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

Job vacancy trend for JavaScript Developer in London

JavaScript Developer
Contractor Daily Rate Trend in London

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

Daily rate trend for JavaScript Developer in London

JavaScript Developer
Daily Rate Histogram in London

Daily rate distribution for jobs citing JavaScript Developer in London over the 6 months to 28 May 2022.

Daily rate histogram for JavaScript Developer in London

JavaScript Developer
Contractor Hourly Rate Trend in London

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

Hourly rate trend for JavaScript Developer in London

JavaScript Developer
Hourly Rate Histogram in London

Hourly rate distribution of jobs citing JavaScript Developer in London over the 6 months to 28 May 2022.

Hourly rate histogram for JavaScript Developer in London

JavaScript Developer
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 JavaScript Developer within the London region over the 6 months to 28 May 2022. 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
Jobs
Central London -20 42 £513 -2.38% 28
West London -17 6 £450 -16.86% 12
South London -17 1 - - 4
JavaScript Developer
England

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

For the 6 months to 28 May 2022, JavaScript Developer contract jobs required 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 featuring JavaScript Developer in the job title.

1 401 (100.00%) JavaScript
2 295 (73.57%) React
3 194 (48.38%) TypeScript
4 187 (46.63%) CSS
5 180 (44.89%) Node.js
6 152 (37.91%) HTML
7 145 (36.16%) Agile
8 134 (33.42%) Front End Development
9 121 (30.17%) AngularJS
10 95 (23.69%) Full Stack Development
10 95 (23.69%) C#
11 80 (19.95%) TDD
11 80 (19.95%) HTML5
12 77 (19.20%) .NET
13 76 (18.95%) Finance
14 72 (17.96%) Front Office
14 72 (17.96%) SQL
15 71 (17.71%) Social Skills
16 68 (16.96%) AWS
17 67 (16.71%) Grunt
18 65 (16.21%) Banking
19 63 (15.71%) DevOps
20 59 (14.71%) REST
21 56 (13.97%) Continuous Integration
22 55 (13.72%) Web Development
22 55 (13.72%) Scrum
23 54 (13.47%) Java
24 51 (12.72%) Sass
24 51 (12.72%) Git (software)
25 49 (12.22%) CI/CD

JavaScript Developer Skill Set
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 9 (2.24%) CMS
2 5 (1.25%) Confluence
2 5 (1.25%) Headless CMS
2 5 (1.25%) SAS
3 3 (0.75%) Adobe Experience Manager
4 2 (0.50%) Elasticsearch
4 2 (0.50%) JBoss
4 2 (0.50%) Joomla!
4 2 (0.50%) WordPress
5 1 (0.25%) SharePoint
5 1 (0.25%) Strapi
Applications
1 2 (0.50%) Adobe Creative Suite
1 2 (0.50%) Adobe Illustrator
1 2 (0.50%) Adobe XD
1 2 (0.50%) Photoshop
1 2 (0.50%) Sketch
Business Applications
1 3 (0.75%) Shopify
2 1 (0.25%) Magento
2 1 (0.25%) Payment Gateway
Cloud Services
1 68 (16.96%) AWS
2 48 (11.97%) Azure
3 39 (9.73%) npm
4 19 (4.74%) GitHub
5 16 (3.99%) GCP
6 15 (3.74%) Serverless
7 12 (2.99%) AWS Lambda
8 10 (2.49%) AWS CloudFormation
9 7 (1.75%) Amazon CloudWatch
9 7 (1.75%) Amazon Cognito
9 7 (1.75%) Amazon EC2
9 7 (1.75%) Amazon Kinesis
9 7 (1.75%) AWS CloudTrail
9 7 (1.75%) AWS KMS
10 4 (1.00%) Amazon ECS
10 4 (1.00%) Google Analytics
11 3 (0.75%) Amazon S3
12 2 (0.50%) GitHub Actions
12 2 (0.50%) SaaS
13 1 (0.25%) BigCommerce
Communications & Networking
1 28 (6.98%) RTMP
2 9 (2.24%) HTTP
3 5 (1.25%) Internet
4 2 (0.50%) LoRaWAN
4 2 (0.50%) WAN
4 2 (0.50%) Z-Wave
5 1 (0.25%) 5G
5 1 (0.25%) Intranet
Database & Business Intelligence
1 48 (11.97%) SQL Server
2 32 (7.98%) Relational Database
3 13 (3.24%) MongoDB
4 11 (2.74%) Amazon DynamoDB
4 11 (2.74%) MySQL
5 8 (2.00%) PostgreSQL
6 7 (1.75%) NoSQL
7 6 (1.50%) Redis
8 5 (1.25%) Hazelcast
9 2 (0.50%) Amazon Athena
9 2 (0.50%) ClickHouse
9 2 (0.50%) RDBMS
10 1 (0.25%) Data Warehouse
10 1 (0.25%) MariaDB
Development Applications
1 67 (16.71%) Grunt
2 51 (12.72%) Git (software)
3 46 (11.47%) webpack
4 33 (8.23%) Jenkins
5 31 (7.73%) gulp
6 27 (6.73%) JIRA
7 15 (3.74%) Artifactory
8 10 (2.49%) Cypress.io
9 8 (2.00%) GitLab
10 6 (1.50%) Cucumber
10 6 (1.50%) Jasmine
11 5 (1.25%) WebDriver
12 4 (1.00%) Maven
12 4 (1.00%) Travis CI
13 3 (0.75%) Babel
13 3 (0.75%) JUnit
13 3 (0.75%) Karma Test Runner
13 3 (0.75%) Mocha
13 3 (0.75%) TeamCity
13 3 (0.75%) Visual Studio
General
1 76 (18.95%) Finance
2 72 (17.96%) Front Office
3 71 (17.71%) Social Skills
4 65 (16.21%) Banking
5 45 (11.22%) Investment Banking
6 23 (5.74%) Analytical Skills
7 14 (3.49%) Games
8 12 (2.99%) Retail
9 9 (2.24%) Public Sector
10 5 (1.25%) Inclusion and Diversity
10 5 (1.25%) Wholesale Banking
11 4 (1.00%) Law
12 3 (0.75%) Corporate Banking
12 3 (0.75%) Manufacturing
12 3 (0.75%) Marketing
12 3 (0.75%) Publishing
12 3 (0.75%) Retail Banking
13 2 (0.50%) French Language
13 2 (0.50%) Tech for Good
14 1 (0.25%) Presentation Skills
Libraries, Frameworks & Software Standards
1 295 (73.57%) React
2 187 (46.63%) CSS
3 180 (44.89%) Node.js
4 152 (37.91%) HTML
5 121 (30.17%) AngularJS
6 80 (19.95%) HTML5
7 77 (19.20%) .NET
8 59 (14.71%) REST
9 51 (12.72%) Sass
10 48 (11.97%) LESS
11 44 (10.97%) Redux
12 41 (10.22%) GraphQL
12 41 (10.22%) RxJS
13 37 (9.23%) Twitter Bootstrap
14 35 (8.73%) CSS3
15 32 (7.98%) ASP.NET
16 31 (7.73%) Jest
17 28 (6.98%) Reactive Extensions
18 27 (6.73%) Silverlight
18 27 (6.73%) WPF
Miscellaneous
1 40 (9.98%) Derivative
2 37 (9.23%) User Experience
3 31 (7.73%) Foreign Exchange (FX)
4 27 (6.73%) Greenfield Project
5 17 (4.24%) Mobile App
6 15 (3.74%) Blockchain
7 13 (3.24%) Wiki
8 7 (1.75%) Management Information System
9 6 (1.50%) Algorithms
9 6 (1.50%) Video\Live Streaming
10 5 (1.25%) Enterprise Software
10 5 (1.25%) Reference Data
11 3 (0.75%) Cloud Native
11 3 (0.75%) Data Structures
11 3 (0.75%) Legacy Systems
11 3 (0.75%) Mainframe
11 3 (0.75%) Media Streaming
11 3 (0.75%) Video on Demand
12 2 (0.50%) Hedge funds
12 2 (0.50%) Public Cloud
Operating Systems
1 12 (2.99%) Linux
2 4 (1.00%) Unix
2 4 (1.00%) Windows
3 2 (0.50%) Android
3 2 (0.50%) Apple iOS
Processes & Methodologies
1 145 (36.16%) Agile
2 134 (33.42%) Front End Development
3 95 (23.69%) Full Stack Development
4 80 (19.95%) TDD
5 63 (15.71%) DevOps
6 56 (13.97%) Continuous Integration
7 55 (13.72%) Scrum
7 55 (13.72%) Web Development
8 49 (12.22%) CI/CD
9 45 (11.22%) Continuous Improvement
10 43 (10.72%) Electronic Trading
11 42 (10.47%) E-Commerce
12 41 (10.22%) Technical Analysis
13 40 (9.98%) Software Engineering
14 35 (8.73%) OO
15 33 (8.23%) Workflow
16 32 (7.98%) SDLC
17 30 (7.48%) OOP
18 28 (6.98%) PnL Attribution
19 27 (6.73%) SOA
Programming Languages
1 401 (100.00%) JavaScript
2 194 (48.38%) TypeScript
3 95 (23.69%) C#
4 72 (17.96%) SQL
5 54 (13.47%) Java
6 32 (7.98%) ES6
7 27 (6.73%) XAML
8 26 (6.48%) Python
9 13 (3.24%) PHP
10 12 (2.99%) Go
11 5 (1.25%) Bash
11 5 (1.25%) Scala
12 2 (0.50%) Kotlin
12 2 (0.50%) Ruby
12 2 (0.50%) XPath
13 1 (0.25%) ActionScript
13 1 (0.25%) C++
13 1 (0.25%) Groovy
13 1 (0.25%) PowerShell
13 1 (0.25%) T-SQL
Qualifications
1 14 (3.49%) Degree
2 9 (2.24%) Computer Science Degree
3 7 (1.75%) SC Cleared
3 7 (1.75%) Security Cleared
4 6 (1.50%) BPSS Clearance
5 1 (0.25%) Numerate Degree
Quality Assurance & Compliance
1 16 (3.99%) QA
2 9 (2.24%) Accessibility
3 2 (0.50%) WCAG
4 1 (0.25%) PCI DSS
4 1 (0.25%) WAI
System Software
1 26 (6.48%) Docker
2 1 (0.25%) Virtual Machines
2 1 (0.25%) zsh
Systems Management
1 13 (3.24%) Kubernetes
2 8 (2.00%) Terraform
3 1 (0.25%) Ansible
3 1 (0.25%) Opscode Chef
3 1 (0.25%) Puppet
Vendors
1 35 (8.73%) Microsoft
2 9 (2.24%) Adobe
3 6 (1.50%) Oracle
4 5 (1.25%) Google
5 4 (1.00%) Atlassian
6 2 (0.50%) SAP
7 1 (0.25%) HubSpot
7 1 (0.25%) hybris
7 1 (0.25%) NN4M
7 1 (0.25%) Salesforce.com
7 1 (0.25%) Samsung
7 1 (0.25%) ServiceNow