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 vacancies from the 6 months leading up to 17 September 2025, with comparisons to the same periods in the previous two years.

6 months to
17 Sep 2025
Same period 2024 Same period 2023
Rank 666 779 718
Rank change year-on-year +113 -61 +138
Permanent jobs citing RxJS 12 22 43
As % of all permanent jobs advertised in the UK 0.024% 0.028% 0.070%
As % of the Libraries, Frameworks & Software Standards category 0.15% 0.14% 0.26%
Number of salaries quoted 4 15 43
10th Percentile £84,875 £47,000 £54,000
25th Percentile £86,563 £54,375 £61,250
Median annual salary (50th Percentile) £112,500 £60,000 £70,000
Median % change year-on-year +87.50% -14.29% -17.65%
75th Percentile £130,000 £62,500 £85,000
90th Percentile - £91,000 £93,500
UK excluding London median annual salary - £60,000 £62,500
% change year-on-year - -4.00% +4.17%

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 7,908 15,324 16,575
As % of all permanent jobs advertised in the UK 16.02% 19.68% 27.17%
Number of salaries quoted 5,026 9,795 13,526
10th Percentile £38,750 £38,750 £41,250
25th Percentile £51,250 £47,500 £51,250
Median annual salary (50th Percentile) £67,500 £65,000 £66,500
Median % change year-on-year +3.85% -2.26% +2.31%
75th Percentile £87,500 £83,750 £85,000
90th Percentile £115,000 £110,000 £106,250
UK excluding London median annual salary £57,500 £55,000 £57,500
% change year-on-year +4.55% -4.35% +4.55%

RxJS
Job Vacancy Trend

Job postings citing RxJS as a proportion of all IT jobs advertised.

Job vacancy trend for RxJS 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 17 September 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 17 September 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 +89 12 £112,500 +87.50% 9
London +70 8 £112,500 +36.36% 4
Work from Home +72 6 £130,000 +116.67% 7
UK excluding London +87 4 - - 5
South West +71 2 - - 2
North of England +33 2 - - 2
North West +12 2 - - 2

RxJS
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:

Application Platforms
1 3 (25.00%) Confluence
Cloud Services
1 3 (25.00%) GitHub
Database & Business Intelligence
1 3 (25.00%) SQL Server
Development Applications
1 8 (66.67%) Git
2 4 (33.33%) Cypress.io
2 4 (33.33%) rollup.js
2 4 (33.33%) Vite
2 4 (33.33%) webpack
3 3 (25.00%) JIRA
3 3 (25.00%) SpecFlow
General
1 12 (100.00%) Finance
2 9 (75.00%) Social Skills
3 4 (33.33%) Banking
3 4 (33.33%) Inclusion and Diversity
3 4 (33.33%) Law
4 2 (16.67%) Back Office
5 1 (8.33%) Front Office
Job Titles
1 8 (66.67%) Software Engineer
2 4 (33.33%) Associate Engineer
2 4 (33.33%) Developer
2 4 (33.33%) Senior
2 4 (33.33%) Senior Software Engineer
2 4 (33.33%) Senior Systems Engineer
2 4 (33.33%) Web Engineer
3 2 (16.67%) .NET Developer
3 2 (16.67%) C# .NET Developer
3 2 (16.67%) C# Developer
3 2 (16.67%) Energy Trading Developer
4 1 (8.33%) Angular Developer
4 1 (8.33%) Full-Stack Developer
Libraries, Frameworks & Software Standards
1 11 (91.67%) CSS
1 11 (91.67%) HTML
2 7 (58.33%) AngularJS
2 7 (58.33%) CSS3
3 6 (50.00%) Playwright
4 4 (33.33%) Jest
4 4 (33.33%) Next.js
4 4 (33.33%) React
4 4 (33.33%) Semantic HTML
5 3 (25.00%) .NET
5 3 (25.00%) .NET Framework
5 3 (25.00%) Entity Framework
5 3 (25.00%) HTML5
5 3 (25.00%) NHibernate
6 2 (16.67%) REST
Miscellaneous
1 4 (33.33%) Wiki
Processes & Methodologies
1 8 (66.67%) Software Engineering
2 6 (50.00%) Agile
3 5 (41.67%) Full-Stack Development
3 5 (41.67%) Problem-Solving
4 4 (33.33%) Artificial Intelligence
4 4 (33.33%) Clean Code
4 4 (33.33%) Code Quality
4 4 (33.33%) DevOps
4 4 (33.33%) Front End Development
4 4 (33.33%) Information Security
4 4 (33.33%) Machine Learning
4 4 (33.33%) Open Source
4 4 (33.33%) Prototyping
4 4 (33.33%) Requirements Analysis
4 4 (33.33%) Responsive Web Design
4 4 (33.33%) Stakeholder Management
4 4 (33.33%) Test Automation
4 4 (33.33%) Validation
4 4 (33.33%) Web Design
5 2 (16.67%) Release Management
Programming Languages
1 11 (91.67%) TypeScript
2 8 (66.67%) JavaScript
3 3 (25.00%) C#
Quality Assurance & Compliance
1 4 (33.33%) Accessibility
1 4 (33.33%) WCAG
System Software
1 4 (33.33%) Docker
Vendors
1 3 (25.00%) Sybase
2 2 (16.67%) Microsoft