JavaScript Contracts in West London

JavaScript (including ECMAScript)
London > West London

The table below provides summary statistics for contract job vacancies advertised in West London requiring JavaScript skills. It includes a benchmarking guide to the contractor rates offered in vacancies that cited JavaScript over the 6 months leading up to 1 May 2025, comparing them to the same period in the previous two years.

6 months to
1 May 2025
Same period 2024 Same period 2023
Rank 18 26 25
Rank change year-on-year +8 -1 -5
Contract jobs citing JavaScript 13 17 37
As % of all contract jobs advertised in West London 6.19% 4.79% 6.53%
As % of the Programming Languages category 24.53% 15.89% 21.89%
Number of daily rates quoted 10 12 27
10th Percentile £337 £332 £420
25th Percentile £341 £397 £448
Median daily rate (50th Percentile) £431 £513 £550
Median % change year-on-year -15.84% -6.82% -12.00%
75th Percentile £634 £589 £606
90th Percentile £750 £656 £650
London median daily rate £574 £600 £575
% change year-on-year -4.42% +4.35% -
Number of hourly rates quoted 0 0 3
10th Percentile - - £71.00
25th Percentile - - £72.50
Median hourly rate - - £75.00
75th Percentile - - -
90th Percentile - - -
London median hourly rate £38.91 £50.00 £56.25
% change year-on-year -22.19% -11.11% +2.27%

All Programming Languages
West London

JavaScript falls under the Programming Languages category. For comparison with the information above, the following table provides summary statistics for all contract job vacancies requiring coding skills in West London.

Contract vacancies with a requirement for coding skills 53 107 169
As % of all contract IT jobs advertised in West London 25.24% 30.14% 29.81%
Number of daily rates quoted 36 78 122
10th Percentile £341 £235 £425
25th Percentile £387 £350 £475
Median daily rate (50th Percentile) £450 £473 £575
Median % change year-on-year -4.76% -17.83% -
75th Percentile £551 £538 £634
90th Percentile £750 £625 £650
London median daily rate £550 £575 £600
% change year-on-year -4.35% -4.17% -
Number of hourly rates quoted 2 3 22
10th Percentile £29.01 £26.41 £65.00
25th Percentile £29.02 £30.32 £71.25
Median hourly rate £29.04 £36.84 £75.00
Median % change year-on-year -21.19% -50.88% +88.63%
75th Percentile £29.05 £51.92 £84.38
90th Percentile £29.06 £60.97 £90.00
London median hourly rate £44.50 £50.50 £57.50
% change year-on-year -11.88% -12.17% +15.00%

JavaScript
Job Vacancy Trend in West London

Job postings citing JavaScript as a proportion of all IT jobs advertised in West London.

Job vacancy trend for JavaScript in West London

JavaScript
Contractor Daily Rate Trend in West London

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

Daily rate trend for JavaScript in West London

JavaScript
Daily Rate Histogram in West London

Daily rate distribution for jobs citing JavaScript in West London over the 6 months to 1 May 2025.

Daily rate histogram for JavaScript in West London

JavaScript
Contractor Hourly Rate Trend in West London

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

Hourly rate trend for JavaScript in West London

JavaScript
Contract Job Locations in West London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing JavaScript within the West London region over the 6 months to 1 May 2025. 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
Hounslow +8 6 £499 +46.71% 6
Hammersmith - 4 £341 -
JavaScript
London

JavaScript
Co-occurring Skills and Capabilities in West London by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same employment type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 2 (15.38%) Confluence
Cloud Services
1 7 (53.85%) AWS
2 4 (30.77%) AWS Lambda
2 4 (30.77%) BrowserStack
2 4 (30.77%) Serverless
3 3 (23.08%) Amazon S3
3 3 (23.08%) AWS Step Functions
4 2 (15.38%) Entra ID
4 2 (15.38%) Microsoft 365
5 1 (7.69%) Azure
5 1 (7.69%) Azure DevOps
5 1 (7.69%) GitHub
Communications & Networking
1 2 (15.38%) DHCP
1 2 (15.38%) DNS
1 2 (15.38%) Intrusion Detection
1 2 (15.38%) TCP/IP
2 1 (7.69%) Broadband
Database & Business Intelligence
1 3 (23.08%) DynamoDB
2 2 (15.38%) Hadoop
2 2 (15.38%) MongoDB
2 2 (15.38%) NoSQL
2 2 (15.38%) SQL Server
3 1 (7.69%) PostgreSQL
Development Applications
1 6 (46.15%) Cypress.io
2 4 (30.77%) Appium
2 4 (30.77%) Postman
2 4 (30.77%) SoapUI
3 2 (15.38%) Jenkins
4 1 (7.69%) JIRA
General
1 1 (7.69%) Presentation Skills
1 1 (7.69%) Social Skills
Job Titles
1 5 (38.46%) Senior
2 4 (30.77%) Developer
2 4 (30.77%) Senior Tester
2 4 (30.77%) Tester
3 3 (23.08%) Architect
4 2 (15.38%) AWS Developer
4 2 (15.38%) AWS Engineer
4 2 (15.38%) React Developer
4 2 (15.38%) Technical Architect
5 1 (7.69%) Backend Developer
5 1 (7.69%) Full-Stack Developer
5 1 (7.69%) Full-Stack JavaScript Developer
5 1 (7.69%) JavaScript Developer
5 1 (7.69%) JavaScript Engineer
5 1 (7.69%) Node.js Developer
5 1 (7.69%) Release Manager
5 1 (7.69%) Software Architect
5 1 (7.69%) Software Developer
Libraries, Frameworks & Software Standards
1 6 (46.15%) React
2 4 (30.77%) GraphQL
3 2 (15.38%) .NET
3 2 (15.38%) .NET Framework
3 2 (15.38%) ASP.NET
3 2 (15.38%) Redux
4 1 (7.69%) AWS CDK
4 1 (7.69%) Jest
4 1 (7.69%) Lambda Expressions
4 1 (7.69%) Next.js
4 1 (7.69%) Node.js
4 1 (7.69%) REST
4 1 (7.69%) SAPUI5
Miscellaneous
1 2 (15.38%) PKI
1 2 (15.38%) Self-Motivation
2 1 (7.69%) Data Protection Act
2 1 (7.69%) Embedded Systems
2 1 (7.69%) Video\Live Streaming
Operating Systems
1 2 (15.38%) Linux
1 2 (15.38%) Windows
1 2 (15.38%) Windows Server
Processes & Methodologies
1 10 (76.92%) Agile
2 5 (38.46%) CI/CD
2 5 (38.46%) DevOps
2 5 (38.46%) Test Automation
3 4 (30.77%) API Testing
3 4 (30.77%) Continuous Integration
3 4 (30.77%) Mentoring
3 4 (30.77%) Performance Testing
4 3 (23.08%) Clean Code
5 2 (15.38%) BPMN
5 2 (15.38%) Full-Stack Development
5 2 (15.38%) High Availability
5 2 (15.38%) MVC
5 2 (15.38%) Technical Debt
5 2 (15.38%) TOGAF
6 1 (7.69%) Continuous Improvement
6 1 (7.69%) E-Commerce
6 1 (7.69%) Regression Testing
6 1 (7.69%) Stakeholder Management
6 1 (7.69%) TDD
Programming Languages
1 5 (38.46%) Python
1 5 (38.46%) TypeScript
2 2 (15.38%) C#
2 2 (15.38%) SQL
2 2 (15.38%) VB
3 1 (7.69%) Java
Qualifications
1 3 (23.08%) AWS Certification
Quality Assurance & Compliance
1 2 (15.38%) Government Security Classifications
1 2 (15.38%) HMG Security Policy Framework
2 1 (7.69%) QA
System Software
1 2 (15.38%) Active Directory
1 2 (15.38%) VMware Infrastructure
Vendors
1 2 (15.38%) Cisco
1 2 (15.38%) Microsoft
1 2 (15.38%) VMware
2 1 (7.69%) Adobe
2 1 (7.69%) Atlassian
2 1 (7.69%) Google
2 1 (7.69%) SAP