Senior JavaScript Developer Jobs in London

Senior JavaScript Developer
England > London

The median Senior JavaScript Developer salary in London is £90,000 per year, according to job vacancies posted during the 6 months leading to 4 July 2025.

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

6 months to
4 Jul 2025
Same period 2024 Same period 2023
Rank 398 485 522
Rank change year-on-year +87 +37 +229
Permanent jobs requiring a Senior JavaScript Developer 7 28 71
As % of all permanent jobs advertised in London 0.054% 0.12% 0.24%
As % of the Job Titles category 0.058% 0.12% 0.25%
Number of salaries quoted 6 19 65
10th Percentile £68,750 £68,750 £66,250
25th Percentile £70,000 £82,500 £67,500
Median annual salary (50th Percentile) £90,000 £90,000 £90,000
Median % change year-on-year - - +20.00%
75th Percentile £115,188 £95,000 £115,000
90th Percentile £117,750 £100,000 -
England median annual salary £75,000 £75,000 £80,000
% change year-on-year - -6.25% +18.52%

All Permanent IT Job Vacancies
London

For comparison with the information above, the following table provides summary statistics for all permanent 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 permanent jobs in our overall sample.

Permanent vacancies in London with a recognized job title 11,985 22,890 28,596
% of permanent jobs with a recognized job title 91.61% 94.43% 94.77%
Number of salaries quoted 7,303 16,801 21,842
10th Percentile £40,000 £37,500 £41,250
25th Percentile £55,000 £50,000 £53,750
Median annual salary (50th Percentile) £75,000 £70,000 £72,500
Median % change year-on-year +7.14% -3.45% +3.57%
75th Percentile £98,750 £93,750 £95,000
90th Percentile £122,500 £115,000 £115,000
England median annual salary £55,000 £52,500 £60,000
% change year-on-year +4.76% -12.50% -

Senior JavaScript Developer
Job Vacancy Trend in London

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

Job vacancy trend for Senior JavaScript Developer in London

Senior JavaScript Developer
Salary Trend in London

3-month moving average salary quoted in jobs citing Senior JavaScript Developer in London.

Salary trend for Senior JavaScript Developer in London

Senior JavaScript Developer
Salary Histogram in London

Salary distribution for jobs citing Senior JavaScript Developer in London over the 6 months to 4 July 2025.

Salary histogram for Senior JavaScript Developer in London

Senior JavaScript Developer
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Senior JavaScript Developer within the London region over the 6 months to 4 July 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Jobs
Central London +26 4 £110,250 +22.50%
Senior JavaScript Developer
England

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

For the 6 months to 4 July 2025, Senior JavaScript Developer 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 permanent job ads across the London region featuring Senior JavaScript Developer in the job title.

1 7 (100.00%) JavaScript
1 7 (100.00%) Node.js
2 6 (85.71%) React
2 6 (85.71%) AWS
3 5 (71.43%) Python
4 4 (57.14%) GraphQL
4 4 (57.14%) Clean Code
4 4 (57.14%) CI/CD
4 4 (57.14%) Microservices
4 4 (57.14%) Cypress.io
4 4 (57.14%) Agile
5 3 (42.86%) Banking
5 3 (42.86%) Investment Banking
5 3 (42.86%) Selenium
5 3 (42.86%) Front Office
5 3 (42.86%) Finance
5 3 (42.86%) SaaS
5 3 (42.86%) Atlassian Bamboo
5 3 (42.86%) Investment Management
5 3 (42.86%) Portfolio Management
5 3 (42.86%) GitHub
5 3 (42.86%) TypeScript
5 3 (42.86%) Cloud Native
5 3 (42.86%) Continuous Delivery
5 3 (42.86%) API Integration
6 2 (28.57%) Virtual Team
6 2 (28.57%) Performance Optimisation
6 2 (28.57%) Mentoring
6 2 (28.57%) End-to-End Testing
6 2 (28.57%) Decision-Making

Senior 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:

Cloud Services
1 6 (85.71%) AWS
2 3 (42.86%) GitHub
2 3 (42.86%) SaaS
Database & Business Intelligence
1 1 (14.29%) MongoDB
Development Applications
1 4 (57.14%) Cypress.io
2 3 (42.86%) Atlassian Bamboo
2 3 (42.86%) Selenium
3 2 (28.57%) Git
4 1 (14.29%) Mocha
General
1 3 (42.86%) Banking
1 3 (42.86%) Finance
1 3 (42.86%) Front Office
1 3 (42.86%) Investment Banking
2 1 (14.29%) Games
2 1 (14.29%) Marketing
2 1 (14.29%) Retail
2 1 (14.29%) Social Skills
Libraries, Frameworks & Software Standards
1 7 (100.00%) Node.js
2 6 (85.71%) React
3 4 (57.14%) GraphQL
4 1 (14.29%) AngularJS
4 1 (14.29%) Express.js
4 1 (14.29%) Jest
4 1 (14.29%) MEAN Stack
4 1 (14.29%) REST
4 1 (14.29%) RESTful
Miscellaneous
1 3 (42.86%) Cloud Native
2 2 (28.57%) Virtual Team
3 1 (14.29%) Self-Motivation
Operating Systems
1 1 (14.29%) Linux
Processes & Methodologies
1 4 (57.14%) Agile
1 4 (57.14%) CI/CD
1 4 (57.14%) Clean Code
1 4 (57.14%) Microservices
2 3 (42.86%) API Integration
2 3 (42.86%) Continuous Delivery
2 3 (42.86%) Investment Management
2 3 (42.86%) Portfolio Management
3 2 (28.57%) B2B
3 2 (28.57%) Continuous Improvement
3 2 (28.57%) Decision-Making
3 2 (28.57%) End-to-End Testing
3 2 (28.57%) Mentoring
3 2 (28.57%) Performance Optimisation
4 1 (14.29%) Code Quality
4 1 (14.29%) Creative Thinking
4 1 (14.29%) Customer Experience
4 1 (14.29%) Full-Stack Development
4 1 (14.29%) Problem-Solving
4 1 (14.29%) Self-Awareness
Programming Languages
1 7 (100.00%) JavaScript
2 5 (71.43%) Python
3 3 (42.86%) TypeScript
System Software
1 1 (14.29%) Docker
Systems Management
1 1 (14.29%) RSA Archer