JavaScript Engineer Contracts in London

JavaScript Engineer
England > London

The median JavaScript Engineer daily rate in London is £501, 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 336 358 453
Rank change year-on-year +22 +95 +63
Contract jobs requiring a JavaScript Engineer 17 33 40
As % of all contract jobs advertised in London 0.14% 0.19% 0.15%
As % of the Job Titles category 0.14% 0.20% 0.16%
Number of daily rates quoted 16 20 19
10th Percentile £419 £413 £345
25th Percentile £425 £644 £469
Median daily rate (50th Percentile) £501 £700 £600
Median % change year-on-year -28.39% +16.67% +4.35%
75th Percentile £584 £819 £700
90th Percentile £644 £955 £749
England median daily rate £475 £675 £525
% change year-on-year -29.63% +28.57% -8.70%

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 Engineer
Job Vacancy Trend in London

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

Job vacancy trend for JavaScript Engineer in London

JavaScript Engineer
Contractor Daily Rate Trend in London

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

Daily rate trend for JavaScript Engineer in London

JavaScript Engineer
Daily Rate Histogram in London

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

Daily rate histogram for JavaScript Engineer in London

JavaScript Engineer
Contractor Hourly Rate Trend in London

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

Hourly rate trend for JavaScript Engineer in London

JavaScript Engineer
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 Engineer 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 +9 6 £450 -
East London - 1 £665 - 1
West London - 1 £478 -
JavaScript Engineer
England

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

For the 6 months to 1 May 2025, JavaScript Engineer 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 Engineer in the job title.

1 17 (100.00%) JavaScript
2 14 (82.35%) React
3 12 (70.59%) Node.js
3 12 (70.59%) AWS
4 10 (58.82%) Microservices
5 9 (52.94%) AWS Lambda
5 9 (52.94%) Serverless
6 8 (47.06%) Amazon SQS
6 8 (47.06%) Git
7 7 (41.18%) Full-Stack Development
7 7 (41.18%) CI/CD
8 6 (35.29%) Public Sector
8 6 (35.29%) GraphQL
8 6 (35.29%) SC Cleared
8 6 (35.29%) Security Cleared
8 6 (35.29%) TypeScript
9 5 (29.41%) DevOps
9 5 (29.41%) SonarQube
9 5 (29.41%) REST
9 5 (29.41%) Redis
9 5 (29.41%) Software Engineering
9 5 (29.41%) Agile
9 5 (29.41%) DocumentDB
10 4 (23.53%) Swagger
10 4 (23.53%) Artificial Intelligence
10 4 (23.53%) CSS
10 4 (23.53%) HTML
10 4 (23.53%) Mobile App
11 3 (17.65%) Cybersecurity
11 3 (17.65%) DynamoDB

JavaScript Engineer 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:

Cloud Services
1 12 (70.59%) AWS
2 9 (52.94%) AWS Lambda
2 9 (52.94%) Serverless
3 8 (47.06%) Amazon SQS
4 3 (17.65%) Amazon S3
5 2 (11.76%) Amazon Cognito
5 2 (11.76%) GitHub
6 1 (5.88%) AWS Step Functions
6 1 (5.88%) Azure
6 1 (5.88%) Figma
6 1 (5.88%) GCP
6 1 (5.88%) Microsoft Copilot
Communications & Networking
1 2 (11.76%) HTTP
2 1 (5.88%) Broadband
Database & Business Intelligence
1 5 (29.41%) DocumentDB
1 5 (29.41%) Redis
2 3 (17.65%) DynamoDB
3 1 (5.88%) MongoDB
Development Applications
1 8 (47.06%) Git
2 5 (29.41%) SonarQube
3 2 (11.76%) Bitbucket
3 2 (11.76%) Cypress.io
3 2 (11.76%) Mocha
3 2 (11.76%) Postman
3 2 (11.76%) Visual Studio Code
4 1 (5.88%) Cucumber
4 1 (5.88%) Mockito
4 1 (5.88%) Selenium
4 1 (5.88%) Storybook
4 1 (5.88%) Vite
4 1 (5.88%) webpack
General
1 6 (35.29%) Public Sector
2 2 (11.76%) Finance
2 2 (11.76%) Social Skills
3 1 (5.88%) Analytical Skills
3 1 (5.88%) Financial Institution
3 1 (5.88%) Local Government
3 1 (5.88%) Marketing
Libraries, Frameworks & Software Standards
1 14 (82.35%) React
2 12 (70.59%) Node.js
3 6 (35.29%) GraphQL
4 5 (29.41%) REST
5 4 (23.53%) CSS
5 4 (23.53%) HTML
5 4 (23.53%) Swagger
6 3 (17.65%) AWS CDK
6 3 (17.65%) HTML5
6 3 (17.65%) Next.js
6 3 (17.65%) OpenAPI
7 2 (11.76%) Express.js
7 2 (11.76%) GatsbyJS
7 2 (11.76%) Jest
7 2 (11.76%) koa
7 2 (11.76%) NestJS
7 2 (11.76%) SVG
7 2 (11.76%) Vue
7 2 (11.76%) WebRTC
7 2 (11.76%) WebSockets
Miscellaneous
1 4 (23.53%) Mobile App
2 3 (17.65%) Algorithms
2 3 (17.65%) Data Structures
3 2 (11.76%) Product Ownership
3 2 (11.76%) Vector Graphics
Processes & Methodologies
1 10 (58.82%) Microservices
2 7 (41.18%) CI/CD
2 7 (41.18%) Full-Stack Development
3 5 (29.41%) Agile
3 5 (29.41%) DevOps
3 5 (29.41%) Software Engineering
4 4 (23.53%) Artificial Intelligence
5 3 (17.65%) Cybersecurity
6 2 (11.76%) Clean Code
6 2 (11.76%) E-Commerce
6 2 (11.76%) Jamstack
6 2 (11.76%) Problem-Solving
6 2 (11.76%) SEO
6 2 (11.76%) Test Automation
6 2 (11.76%) User Experience
6 2 (11.76%) UX Design
7 1 (5.88%) Cross-Browser Compatibility
7 1 (5.88%) Inclusive Design
7 1 (5.88%) Performance Optimisation
7 1 (5.88%) Secure Coding
Programming Languages
1 17 (100.00%) JavaScript
2 6 (35.29%) TypeScript
3 2 (11.76%) Python
4 1 (5.88%) C#
4 1 (5.88%) Go
4 1 (5.88%) Rust
Qualifications
1 6 (35.29%) SC Cleared
1 6 (35.29%) Security Cleared
2 1 (5.88%) AWS Certification
Quality Assurance & Compliance
1 2 (11.76%) Accessibility
1 2 (11.76%) WCAG
2 1 (5.88%) QA
System Software
1 2 (11.76%) Docker
Systems Management
1 2 (11.76%) Kubernetes