Reactive Extensions for JavaScript (RxJS)
UK

The table below provides summary statistics and salary benchmarking for jobs requiring RxJS skills. It covers permanent job vacancies from the 6 months leading up to 22 September 2026, with comparisons to the same periods in the previous two years.

6 months to
22 Sep 2026
Same period 2025 Same period 2024
Rank 793 659 766
Rank change year-on-year -134 +107 -41
Permanent jobs citing RxJS 8 14 19
As % of all permanent jobs in the UK 0.007% 0.029% 0.025%
As % of the Libraries, Frameworks & Software Standards category 0.067% 0.17% 0.12%
Number of salaries quoted 5 5 11
10th Percentile £68,250 £76,250 £45,000
25th Percentile £71,250 £83,750 £50,625
Median annual salary (50th Percentile) £72,500 £95,000 £60,000
Median % change year-on-year -23.68% +58.33% -14.29%
75th Percentile £145,000 £130,000 £62,500
90th Percentile - - £110,000
UK excluding London median annual salary £72,500 £77,500 £60,000
% change year-on-year -6.45% +29.17% -4.00%

All Software Libraries and Frameworks
UK

RxJS falls under the Software Libraries and Frameworks category. For comparison with the information above, the following table provides summary statistics for all permanent job vacancies requiring technical specification, industry standards, software libraries and framework skills.

Permanent vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 11,983 8,463 16,367
As % of all permanent jobs advertised in the UK 10.31% 17.29% 21.49%
Number of salaries quoted 8,544 5,410 10,431
10th Percentile £42,500 £40,000 £39,750
25th Percentile £51,250 £52,000 £48,250
Median annual salary (50th Percentile) £67,500 £68,513 £65,000
Median % change year-on-year -1.48% +5.40% -3.70%
75th Percentile £86,250 £87,500 £85,000
90th Percentile £100,000 £115,000 £111,250
UK excluding London median annual salary £60,000 £60,000 £57,500
% change year-on-year - +4.35% -4.17%

RxJS
Job Vacancy Trend

Historical trend showing the proportion of permanent IT job postings citing RxJS relative to all permanent IT jobs advertised.

RxJS job vacancy trend in the UK

RxJS
Salary Trend

Salary distribution trend for jobs in the UK citing RxJS.

Salary distribution trend for jobs in the UK citing RxJS

RxJS
Salary Histogram

Salary distribution for jobs citing RxJS over the 6 months to 22 September 2026.

Salary histogram for RxJS in the UK

RxJS
Top 7 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing RxJS within the UK over the 6 months to 22 September 2026. 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
England -134 8 £72,500 -23.68% 13
UK excluding London -139 5 £72,500 -6.45% 4
South East - 4 £72,500 - 3
London -74 3 £140,000 +24.44% 11
Work from Home -46 2 £67,500 -48.08% 3
North West -39 1 £67,500 - 1
North of England -69 1 £67,500 - 1

RxJS
Co-Occurring Skills & Capabilities by Category

The following tables expand on the one above by listing co-occurrences grouped by category. They cover the same employment type, locality and period, with up to 20 co-occurrences shown in each category:

Cloud Services
1 3 (37.50%) Azure
2 1 (12.50%) Azure DevOps
2 1 (12.50%) Azure Key Vault
2 1 (12.50%) Entra ID
2 1 (12.50%) Figma
2 1 (12.50%) SaaS
Database & Business Intelligence
1 2 (25.00%) SQL Server
Development Applications
1 1 (12.50%) Bitbucket
1 1 (12.50%) Cucumber
1 1 (12.50%) Git
1 1 (12.50%) NUnit
1 1 (12.50%) Storybook
1 1 (12.50%) Vite
General
1 2 (25.00%) Banking
1 2 (25.00%) Investment Banking
1 2 (25.00%) Law
1 2 (25.00%) Legal
1 2 (25.00%) Social Skills
2 1 (12.50%) Aerospace
2 1 (12.50%) Finance
Job Titles
1 6 (75.00%) Developer
2 4 (50.00%) Angular Developer
3 3 (37.50%) Front-End Developer (Client-Side Developer)
3 3 (37.50%) UI Developer
4 2 (25.00%) Full-Stack Engineer
4 2 (25.00%) Senior
4 2 (25.00%) Senior Full-Stack Engineer
4 2 (25.00%) Software Developer
5 1 (12.50%) Lead
5 1 (12.50%) Lead Developer
5 1 (12.50%) Lead Software Developer
Libraries, Frameworks & Software Standards
1 7 (87.50%) AngularJS
2 3 (37.50%) .NET
2 3 (37.50%) HTML
2 3 (37.50%) NgRx
3 2 (25.00%) .NET Core
3 2 (25.00%) REST
3 2 (25.00%) Sass
3 2 (25.00%) Vitest
4 1 (12.50%) .NET Framework
4 1 (12.50%) ASP.NET
4 1 (12.50%) ASP.NET Core
4 1 (12.50%) CSS
4 1 (12.50%) HTML5
4 1 (12.50%) JSON
4 1 (12.50%) JWT
4 1 (12.50%) OpenAPI
4 1 (12.50%) OpenFin
4 1 (12.50%) Playwright
4 1 (12.50%) RESTful
4 1 (12.50%) WebSockets
Miscellaneous
1 2 (25.00%) Legacy Applications
2 1 (12.50%) Enterprise Software
2 1 (12.50%) Fixed Income
2 1 (12.50%) Foreign Exchange (FX)
2 1 (12.50%) Self-Motivation
Processes & Methodologies
1 4 (50.00%) User Experience
2 3 (37.50%) Full-Stack Development
2 3 (37.50%) Software Engineering
3 2 (25.00%) Agile
3 2 (25.00%) API Development
3 2 (25.00%) API Integration
3 2 (25.00%) Data Visualisation
3 2 (25.00%) Front End Development
3 2 (25.00%) Microservices
3 2 (25.00%) Problem-Solving
3 2 (25.00%) Technical Leadership
3 2 (25.00%) UX Design
3 2 (25.00%) Visualisation
4 1 (12.50%) API Design
4 1 (12.50%) DevOps
4 1 (12.50%) Low Latency
4 1 (12.50%) Mentoring
4 1 (12.50%) Penetration Testing
4 1 (12.50%) SDLC
4 1 (12.50%) Test Automation
Programming Languages
1 8 (100.00%) TypeScript
2 3 (37.50%) JavaScript
3 2 (25.00%) C#
4 1 (12.50%) Bicep
4 1 (12.50%) Java
4 1 (12.50%) SQL
Qualifications
1 1 (12.50%) Security Cleared
Vendors
1 1 (12.50%) DevExpress
1 1 (12.50%) Microsoft