Senior JavaScript Developer Contracts

Senior JavaScript Developer
UK

The median Senior JavaScript Developer daily rate in the UK is £573, 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 516 565 689
Rank change year-on-year +49 +124 +113
Contract jobs requiring a Senior JavaScript Developer 4 17 29
As % of all contract jobs advertised in the UK 0.014% 0.039% 0.049%
As % of the Job Titles category 0.015% 0.042% 0.051%
Number of daily rates quoted 4 9 27
10th Percentile £458 £405 £519
25th Percentile £498 £425 £563
Median daily rate (50th Percentile) £573 £545 £750
Median % change year-on-year +5.05% -27.33% +30.43%
75th Percentile £694 £725 £775
90th Percentile £797 £735 -
UK excluding London median daily rate - £450 £625
% change year-on-year - -28.00% +35.14%
Number of hourly rates quoted 0 2 0
Median hourly rate - £40.00 -
UK excluding London median hourly rate - - -

All Contract IT Job Vacancies
UK

For comparison with the information above, the following table provides summary statistics for all contract IT job vacancies. 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 the UK with a recognized job title 27,084 40,415 56,464
% of contract IT jobs with a recognized job title 92.52% 92.78% 94.61%
Number of daily rates quoted 17,692 26,309 39,470
10th Percentile £300 £275 £313
25th Percentile £406 £410 £425
Median daily rate (50th Percentile) £515 £525 £540
Median % change year-on-year -1.90% -2.78% +2.86%
75th Percentile £625 £638 £650
90th Percentile £738 £750 £750
UK excluding London median daily rate £475 £492 £500
% change year-on-year -3.46% -1.60% +5.26%
Number of hourly rates quoted 1,035 2,664 1,570
10th Percentile £14.07 £12.86 £14.29
25th Percentile £18.50 £16.30 £19.50
Median hourly rate £29.00 £36.42 £45.00
Median % change year-on-year -20.37% -19.07% +91.49%
75th Percentile £62.50 £60.75 £65.75
90th Percentile £75.00 £72.50 £75.75
UK excluding London median hourly rate £28.00 £39.55 £42.50
% change year-on-year -29.20% -6.94% +117.95%

Senior JavaScript Developer
Job Vacancy Trend

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

Job vacancy trend for Senior JavaScript Developer in the UK

Senior JavaScript Developer
Contractor Daily Rate Trend

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

Daily rate trend for Senior JavaScript Developer in the UK

Senior JavaScript Developer
Daily Rate Histogram

Daily rate distribution for jobs citing Senior JavaScript Developer over the 6 months to 1 May 2025.

Daily rate histogram for Senior JavaScript Developer in the UK

Senior JavaScript Developer
Contractor Hourly Rate Trend

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

Hourly rate trend for Senior JavaScript Developer in the UK

Senior JavaScript Developer
Top 3 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Senior JavaScript Developer within the UK 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
England +46 3 £625 +14.68% 82
London +33 3 £625 -10.71% 9
Work from Home +39 2 £479 - 85

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

For the 6 months to 1 May 2025, Senior 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 featuring Senior JavaScript Developer in the job title.

1 4 (100.00%) TypeScript
1 4 (100.00%) JavaScript
2 2 (50.00%) React
3 1 (25.00%) Continuous Delivery
3 1 (25.00%) Grafana
3 1 (25.00%) GraphQL
3 1 (25.00%) Asynchronous Programming
3 1 (25.00%) Virtual Team
3 1 (25.00%) Prometheus
3 1 (25.00%) WebAssembly
3 1 (25.00%) Serverless
3 1 (25.00%) Playwright
3 1 (25.00%) Social Skills
3 1 (25.00%) Full-Stack Development
3 1 (25.00%) Async-Await
3 1 (25.00%) Pricing Analytics
3 1 (25.00%) Degree
3 1 (25.00%) Credit Risk
3 1 (25.00%) Domain-Driven Design
3 1 (25.00%) Azure
3 1 (25.00%) AWS
3 1 (25.00%) SaaS
3 1 (25.00%) Node.js
3 1 (25.00%) Analytics
3 1 (25.00%) Risk Management
3 1 (25.00%) Finance
3 1 (25.00%) Legal
3 1 (25.00%) Scrum
3 1 (25.00%) Extreme Programming
3 1 (25.00%) Agile

Senior JavaScript Developer Skill Set
Co-occurring Skills and Capabilities 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 1 (25.00%) AWS
1 1 (25.00%) Azure
1 1 (25.00%) SaaS
1 1 (25.00%) Serverless
Development Applications
1 1 (25.00%) GitLab
General
1 1 (25.00%) Analytical Skills
1 1 (25.00%) Banking
1 1 (25.00%) Finance
1 1 (25.00%) Legal
1 1 (25.00%) Social Skills
Libraries, Frameworks & Software Standards
1 2 (50.00%) React
2 1 (25.00%) GraphQL
2 1 (25.00%) Node.js
2 1 (25.00%) Playwright
2 1 (25.00%) WebAssembly
Miscellaneous
1 1 (25.00%) Credit Risk
1 1 (25.00%) Virtual Team
Operating Systems
1 1 (25.00%) Linux
1 1 (25.00%) Windows
Processes & Methodologies
1 1 (25.00%) Agile
1 1 (25.00%) Analytics
1 1 (25.00%) Async-Await
1 1 (25.00%) Asynchronous Programming
1 1 (25.00%) B2B
1 1 (25.00%) Continuous Delivery
1 1 (25.00%) DevOps
1 1 (25.00%) Domain-Driven Design
1 1 (25.00%) E-Commerce
1 1 (25.00%) Extreme Programming
1 1 (25.00%) Full-Stack Development
1 1 (25.00%) Pair Programming
1 1 (25.00%) Performance Tuning
1 1 (25.00%) Pricing Analytics
1 1 (25.00%) Risk Management
1 1 (25.00%) Scrum
1 1 (25.00%) TDD
1 1 (25.00%) User Experience
Programming Languages
1 4 (100.00%) JavaScript
1 4 (100.00%) TypeScript
2 1 (25.00%) Python
Qualifications
1 1 (25.00%) Degree
System Software
1 1 (25.00%) Docker
Systems Management
1 1 (25.00%) Grafana
1 1 (25.00%) Kubernetes
1 1 (25.00%) Prometheus
Vendors
1 1 (25.00%) Google