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 27 October 2025, with comparisons to the same periods in the previous two years.

6 months to
27 Oct 2025
Same period 2024 Same period 2023
Rank 655 731 700
Rank change year-on-year +76 -31 +189
Permanent jobs citing RxJS 13 14 37
As % of all permanent jobs in the UK 0.026% 0.021% 0.067%
As % of the Libraries, Frameworks & Software Standards category 0.17% 0.10% 0.25%
Number of salaries quoted 4 6 37
10th Percentile £75,000 £47,500 £55,750
25th Percentile £80,625 £50,313 £58,750
Median annual salary (50th Percentile) £108,750 £57,500 £70,000
Median % change year-on-year +89.13% -17.86% -12.50%
75th Percentile £130,000 £98,750 £85,000
90th Percentile - £110,000 £93,750
UK excluding London median annual salary £77,500 £52,500 £62,500
% change year-on-year +47.62% -16.00% -3.85%

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 7,664 13,841 14,948
As % of all permanent jobs advertised in the UK 15.52% 20.33% 27.14%
Number of salaries quoted 4,883 8,391 12,172
10th Percentile £36,800 £39,250 £41,250
25th Percentile £50,000 £48,250 £50,500
Median annual salary (50th Percentile) £67,500 £65,000 £65,351
Median % change year-on-year +3.85% -0.54% +0.54%
75th Percentile £87,500 £85,000 £85,000
90th Percentile £115,000 £110,000 £105,000
UK excluding London median annual salary £57,500 £55,500 £57,500
% change year-on-year +3.60% -3.48% +2.68%

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 27 October 2025.

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 27 October 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 +68 13 £108,750 +89.13% 10
London +70 8 £130,000 +116.67% 7
Work from Home +48 6 £130,000 +136.36% 8
UK excluding London +48 5 £77,500 +47.62% 9
South West +51 3 £77,500 +47.62%
North of England +17 2 - -
North West +8 2 - -

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 3 (23.08%) Confluence
Cloud Services
1 3 (23.08%) GitHub
2 2 (15.38%) Cloud Run
2 2 (15.38%) GCP
Database & Business Intelligence
1 3 (23.08%) SQL Server
Development Applications
1 10 (76.92%) Git
2 4 (30.77%) Cypress.io
2 4 (30.77%) rollup.js
2 4 (30.77%) Vite
2 4 (30.77%) webpack
3 3 (23.08%) JIRA
3 3 (23.08%) SpecFlow
General
1 13 (100.00%) Finance
2 11 (84.62%) Social Skills
3 4 (30.77%) Banking
3 4 (30.77%) Inclusion and Diversity
3 4 (30.77%) Law
4 2 (15.38%) Back Office
Job Titles
1 10 (76.92%) Software Engineer
2 6 (46.15%) Senior
2 6 (46.15%) Senior Software Engineer
3 4 (30.77%) Associate Engineer
3 4 (30.77%) Senior Systems Engineer
3 4 (30.77%) Web Engineer
4 3 (23.08%) Developer
5 2 (15.38%) .NET Developer
5 2 (15.38%) C# .NET Developer
5 2 (15.38%) C# Developer
5 2 (15.38%) Energy Trading Developer
5 2 (15.38%) Full-Stack Engineer
5 2 (15.38%) Full-Stack Software Engineer
5 2 (15.38%) Python Engineer
5 2 (15.38%) Python Software Engineer
5 2 (15.38%) Senior Full-Stack Engineer
5 2 (15.38%) Senior Full-Stack Software Engineer
6 1 (7.69%) Full-Stack Developer
Libraries, Frameworks & Software Standards
1 11 (84.62%) CSS
1 11 (84.62%) HTML
2 9 (69.23%) AngularJS
3 7 (53.85%) CSS3
4 6 (46.15%) Playwright
5 4 (30.77%) Jest
5 4 (30.77%) Next.js
5 4 (30.77%) React
5 4 (30.77%) REST
5 4 (30.77%) Semantic HTML
6 3 (23.08%) .NET
6 3 (23.08%) .NET Framework
6 3 (23.08%) Entity Framework
6 3 (23.08%) HTML5
6 3 (23.08%) NHibernate
7 2 (15.38%) D3.js
7 2 (15.38%) FastAPI
7 2 (15.38%) PrimeNG
Miscellaneous
1 4 (30.77%) Wiki
2 2 (15.38%) Cloud Native
Processes & Methodologies
1 10 (76.92%) Software Engineering
2 8 (61.54%) Agile
3 7 (53.85%) Full-Stack Development
4 6 (46.15%) Test Automation
5 5 (38.46%) Problem-Solving
6 4 (30.77%) AI
6 4 (30.77%) Clean Code
6 4 (30.77%) Code Quality
6 4 (30.77%) DevOps
6 4 (30.77%) Front End Development
6 4 (30.77%) Information Security
6 4 (30.77%) Machine Learning
6 4 (30.77%) Open Source
6 4 (30.77%) Prototyping
6 4 (30.77%) Requirements Analysis
6 4 (30.77%) Responsive Web Design
6 4 (30.77%) Stakeholder Management
6 4 (30.77%) Validation
6 4 (30.77%) Web Design
7 2 (15.38%) Release Management
Programming Languages
1 13 (100.00%) TypeScript
2 8 (61.54%) JavaScript
3 3 (23.08%) C#
4 2 (15.38%) Python
Quality Assurance & Compliance
1 4 (30.77%) Accessibility
1 4 (30.77%) WCAG
System Software
1 6 (46.15%) Docker
Systems Management
1 2 (15.38%) Kubernetes
Vendors
1 3 (23.08%) Sybase
2 2 (15.38%) Google
2 2 (15.38%) Microsoft