JavaScript Developer Contracts in London

JavaScript Developer
England > London

The median JavaScript Developer daily rate in London is £511, according to job vacancies posted in the 6 months leading up to 1 May 2025.

The table below provides contractor rate benchmarking and summary statistics, comparing them to the same period in the previous two years.

6 months to
1 May 2025
Same period 2024 Same period 2023
Rank 331 329 345
Rank change year-on-year -2 +16 -88
Contract jobs requiring a JavaScript Developer 22 62 152
As % of all contract jobs advertised in London 0.18% 0.35% 0.56%
As % of the Job Titles category 0.19% 0.37% 0.59%
Number of daily rates quoted 12 49 138
10th Percentile £355 £321 £454
25th Percentile £409 £425 £510
Median daily rate (50th Percentile) £511 £525 £600
Median % change year-on-year -2.62% -12.50% -3.42%
75th Percentile £591 £588 £784
90th Percentile £812 £688 £1,094
England median daily rate £400 £500 £575
% change year-on-year -20.00% -13.04% -

All Contract IT Job Vacancies
London

For comparison with the information above, the following table provides summary statistics for all contract IT job vacancies 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.

Contract vacancies in London with a recognized job title 11,726 16,625 25,758
% of contract IT jobs with a recognized job title 93.45% 93.24% 95.28%
Number of daily rates quoted 8,034 12,022 18,663
10th Percentile £341 £325 £363
25th Percentile £431 £444 £463
Median daily rate (50th Percentile) £550 £550 £575
Median % change year-on-year - -4.35% -
75th Percentile £675 £675 £700
90th Percentile £800 £800 £800
England median daily rate £525 £525 £550
% change year-on-year - -4.55% +4.76%
Number of hourly rates quoted 143 336 290
10th Percentile £20.45 £16.01 £18.00
25th Percentile £23.90 £20.02 £22.53
Median hourly rate £34.00 £27.81 £35.00
Median % change year-on-year +22.26% -20.54% -
75th Percentile £50.75 £43.75 £60.00
90th Percentile £64.75 £65.00 £76.03
England median hourly rate £30.62 £36.31 £45.00
% change year-on-year -15.67% -19.32% +100.00%

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 1 May 2025.

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
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 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
Central London -3 1 £625 +21.95% 3
West London - 1 - - 2
JavaScript Developer
England

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

For the 6 months to 1 May 2025, JavaScript Developer contract job roles required the following skills and capabilities 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 22 (100.00%) JavaScript
2 15 (68.18%) React
3 14 (63.64%) AWS
4 10 (45.45%) Git
5 9 (40.91%) Kubernetes
5 9 (40.91%) Vue
5 9 (40.91%) Docker
5 9 (40.91%) Python
5 9 (40.91%) Finance
5 9 (40.91%) Banking
5 9 (40.91%) CI/CD
6 8 (36.36%) Java
6 8 (36.36%) Linux
6 8 (36.36%) Investment Banking
6 8 (36.36%) Rust
6 8 (36.36%) AngularJS
7 7 (31.82%) TypeScript
7 7 (31.82%) Flask
7 7 (31.82%) Pandas
7 7 (31.82%) Data Engineering
7 7 (31.82%) Systematic Trading
7 7 (31.82%) Software Engineering
7 7 (31.82%) Mathematics
7 7 (31.82%) Hedge funds
7 7 (31.82%) SciPy
7 7 (31.82%) NumPy
7 7 (31.82%) Structured Programming
7 7 (31.82%) Node.js
7 7 (31.82%) CSS
7 7 (31.82%) C#

JavaScript Developer Skill Set
Co-occurring Skills and Capabilities in 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 (9.09%) nginx
Cloud Services
1 14 (63.64%) AWS
2 4 (18.18%) Amazon S3
2 4 (18.18%) Amazon SQS
2 4 (18.18%) Serverless
3 3 (13.64%) AWS Lambda
4 2 (9.09%) Azure
5 1 (4.55%) Amazon Cognito
5 1 (4.55%) AWS CloudFormation
5 1 (4.55%) AWS Step Functions
5 1 (4.55%) GCP
5 1 (4.55%) GitHub
5 1 (4.55%) npm
5 1 (4.55%) Yarn
Communications & Networking
1 1 (4.55%) HTTP
Database & Business Intelligence
1 2 (9.09%) DynamoDB
1 2 (9.09%) Redis
2 1 (4.55%) Elasticsearch
2 1 (4.55%) MySQL
Development Applications
1 10 (45.45%) Git
2 3 (13.64%) Mocha
3 2 (9.09%) Cypress.io
3 2 (9.09%) ESLint
3 2 (9.09%) SonarQube
4 1 (4.55%) Bitbucket
4 1 (4.55%) Jenkins
4 1 (4.55%) Postman
4 1 (4.55%) Visual Studio Code
4 1 (4.55%) webpack
General
1 9 (40.91%) Banking
1 9 (40.91%) Finance
2 8 (36.36%) Investment Banking
3 3 (13.64%) Social Skills
4 1 (4.55%) Analytical Skills
4 1 (4.55%) Legal
4 1 (4.55%) Public Sector
Libraries, Frameworks & Software Standards
1 15 (68.18%) React
2 9 (40.91%) Vue
3 8 (36.36%) AngularJS
4 7 (31.82%) CSS
4 7 (31.82%) FastAPI
4 7 (31.82%) Flask
4 7 (31.82%) Node.js
4 7 (31.82%) NumPy
4 7 (31.82%) Pandas
4 7 (31.82%) Polars
4 7 (31.82%) SciPy
5 6 (27.27%) HTML
6 4 (18.18%) GraphQL
7 3 (13.64%) Jest
8 2 (9.09%) AWS CDK
8 2 (9.09%) Express.js
8 2 (9.09%) HTML5
8 2 (9.09%) Middleware
8 2 (9.09%) RESTful
8 2 (9.09%) SVG
Miscellaneous
1 7 (31.82%) Foreign Exchange (FX)
1 7 (31.82%) Hedge funds
2 1 (4.55%) Algorithms
2 1 (4.55%) Credit Risk
2 1 (4.55%) Data Structures
2 1 (4.55%) Derivative
2 1 (4.55%) Distributed Systems
2 1 (4.55%) Mobile App
2 1 (4.55%) Vector Graphics
Operating Systems
1 8 (36.36%) Linux
2 1 (4.55%) Windows
Processes & Methodologies
1 9 (40.91%) CI/CD
2 7 (31.82%) Clean Code
2 7 (31.82%) Data Engineering
2 7 (31.82%) Mathematics
2 7 (31.82%) Software Engineering
2 7 (31.82%) Structured Programming
2 7 (31.82%) Systematic Trading
3 5 (22.73%) Agile
4 3 (13.64%) DevOps
4 3 (13.64%) Full-Stack Development
4 3 (13.64%) User Experience
5 2 (9.09%) Continuous Delivery
5 2 (9.09%) Continuous Integration
5 2 (9.09%) E-Commerce
5 2 (9.09%) Front End Development
5 2 (9.09%) Microservices
5 2 (9.09%) Scrum
5 2 (9.09%) TDD
5 2 (9.09%) Test Automation
5 2 (9.09%) UX Design
Programming Languages
1 22 (100.00%) JavaScript
2 9 (40.91%) Python
3 8 (36.36%) Java
3 8 (36.36%) Rust
4 7 (31.82%) C#
4 7 (31.82%) C++
4 7 (31.82%) TypeScript
5 1 (4.55%) PHP
Qualifications
1 4 (18.18%) Security Cleared
2 3 (13.64%) SC Cleared
3 2 (9.09%) Degree
4 1 (4.55%) AWS Certification
4 1 (4.55%) Computer Science Degree
Quality Assurance & Compliance
1 2 (9.09%) Accessibility
2 1 (4.55%) WCAG
System Software
1 9 (40.91%) Docker
Systems Management
1 9 (40.91%) Kubernetes
Vendors
1 1 (4.55%) Atlassian
1 1 (4.55%) Google
1 1 (4.55%) Microsoft
1 1 (4.55%) Virgin Media