RxJS Job Trends

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 11 December 2025, with comparisons to the same periods in the previous two years.

6 months to
11 Dec 2025
Same period 2024 Same period 2023
Rank 649 719 679
Rank change year-on-year +70 -40 +239
Permanent jobs citing RxJS 5 23 31
As % of all permanent jobs in the UK 0.009% 0.037% 0.061%
As % of the Libraries, Frameworks & Software Standards category 0.072% 0.17% 0.23%
Number of salaries quoted 3 18 31
10th Percentile £73,750 £32,000 £53,750
25th Percentile £77,500 £32,788 £56,250
Median annual salary (50th Percentile) £87,500 £50,000 £67,500
Median % change year-on-year +75.00% -25.93% -15.63%
75th Percentile £110,625 £59,688 £85,000
90th Percentile £122,250 £81,125 £93,750
UK excluding London median annual salary £77,500 £52,500 £62,500
% change year-on-year +47.62% -16.00% -16.67%

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 6,983 13,270 13,338
As % of all permanent jobs advertised in the UK 12.38% 21.36% 26.43%
Number of salaries quoted 5,172 8,094 10,992
10th Percentile £36,250 £38,750 £41,250
25th Percentile £50,000 £48,750 £51,250
Median annual salary (50th Percentile) £67,500 £65,000 £66,000
Median % change year-on-year +3.85% -1.52% +1.54%
75th Percentile £86,250 £85,000 £85,000
90th Percentile £113,750 £108,750 £106,289
UK excluding London median annual salary £57,500 £57,500 £57,500

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 11 December 2025.

Salary histogram for RxJS in the UK

RxJS
Top 5 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 11 December 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
England +86 5 £87,500 +70.73% 4
London +62 4 £108,750 +158.93% 2
UK excluding London +85 1 £77,500 +47.62% 2
Work from Home +73 1 £130,000 +160.00% 1
South West - 1 £77,500 -

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:

Application Platforms
1 2 (40.00%) Confluence
Cloud Services
1 2 (40.00%) Cloud Run
1 2 (40.00%) GCP
1 2 (40.00%) GitHub
Database & Business Intelligence
1 2 (40.00%) SQL Server
Development Applications
1 3 (60.00%) Git
2 2 (40.00%) JIRA
2 2 (40.00%) SpecFlow
3 1 (20.00%) rollup.js
3 1 (20.00%) Vite
General
1 5 (100.00%) Finance
2 4 (80.00%) Social Skills
3 1 (20.00%) Back Office
3 1 (20.00%) Banking
3 1 (20.00%) Inclusion and Diversity
3 1 (20.00%) Law
Job Titles
1 3 (60.00%) Senior
1 3 (60.00%) Senior Software Engineer
1 3 (60.00%) Software Engineer
2 2 (40.00%) Developer
2 2 (40.00%) Full-Stack Engineer
2 2 (40.00%) Full-Stack Software Engineer
2 2 (40.00%) Python Engineer
2 2 (40.00%) Python Software Engineer
2 2 (40.00%) Senior Full-Stack Engineer
2 2 (40.00%) Senior Full-Stack Software Engineer
3 1 (20.00%) .NET Developer
3 1 (20.00%) Associate Engineer
3 1 (20.00%) C# .NET Developer
3 1 (20.00%) C# Developer
3 1 (20.00%) Energy Trading Developer
3 1 (20.00%) Full-Stack Developer
3 1 (20.00%) Senior Systems Engineer
Libraries, Frameworks & Software Standards
1 4 (80.00%) AngularJS
2 3 (60.00%) CSS
2 3 (60.00%) HTML
2 3 (60.00%) REST
3 2 (40.00%) .NET
3 2 (40.00%) .NET Framework
3 2 (40.00%) CSS3
3 2 (40.00%) D3.js
3 2 (40.00%) Entity Framework
3 2 (40.00%) FastAPI
3 2 (40.00%) HTML5
3 2 (40.00%) NHibernate
3 2 (40.00%) PrimeNG
4 1 (20.00%) Next.js
4 1 (20.00%) Playwright
4 1 (20.00%) React
Miscellaneous
1 2 (40.00%) Cloud Native
Processes & Methodologies
1 3 (60.00%) Agile
1 3 (60.00%) Full-Stack Development
1 3 (60.00%) Software Engineering
2 2 (40.00%) Analytics
2 2 (40.00%) API Design
2 2 (40.00%) API Integration
2 2 (40.00%) CI/CD
2 2 (40.00%) Containerisation
2 2 (40.00%) Data Science
2 2 (40.00%) Data Visualisation
2 2 (40.00%) Mentoring
2 2 (40.00%) Problem-Solving
2 2 (40.00%) Technical Leadership
2 2 (40.00%) Test Automation
2 2 (40.00%) Visualisation
3 1 (20.00%) Front End Development
3 1 (20.00%) Machine Learning
3 1 (20.00%) Open Source
3 1 (20.00%) Responsive Web Design
3 1 (20.00%) Test Strategy
Programming Languages
1 5 (100.00%) TypeScript
2 2 (40.00%) C#
2 2 (40.00%) Python
3 1 (20.00%) JavaScript
Quality Assurance & Compliance
1 1 (20.00%) Accessibility
1 1 (20.00%) WCAG
System Software
1 2 (40.00%) Docker
Systems Management
1 2 (40.00%) Kubernetes
Vendors
1 2 (40.00%) Google
1 2 (40.00%) Sybase
2 1 (20.00%) Microsoft