RxJS Contracts

Reactive Extensions for JavaScript (RxJS)
UK

The table below provides summary statistics for contract job vacancies requiring RxJS skills. It includes a benchmarking guide to the contractor rates offered in vacancies that cited RxJS over the 6 months leading up to 1 May 2025, comparing them to the same period in the previous two years.

6 months to
1 May 2025
Same period 2024 Same period 2023
Rank 494 524 668
Rank change year-on-year +30 +144 +66
Contract jobs citing RxJS 26 58 50
As % of all contract jobs advertised in the UK 0.089% 0.13% 0.084%
As % of the Libraries, Frameworks & Software Standards category 0.39% 0.65% 0.36%
Number of daily rates quoted 19 55 35
10th Percentile £398 £365 £463
25th Percentile £470 £481 £484
Median daily rate (50th Percentile) £675 £800 £600
Median % change year-on-year -15.63% +33.33% -14.29%
75th Percentile £788 £850 £694
90th Percentile £850 £875 £800
UK excluding London median daily rate £402 £413 £548
% change year-on-year -2.55% -24.66% +15.26%

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 contract job vacancies requiring technical specification, industry standards, software libraries and framework skills.

Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 6,644 8,946 13,890
As % of all contract IT jobs advertised in the UK 22.70% 20.54% 23.27%
Number of daily rates quoted 4,558 6,207 10,141
10th Percentile £363 £338 £400
25th Percentile £425 £425 £463
Median daily rate (50th Percentile) £525 £530 £550
Median % change year-on-year -0.94% -3.64% -
75th Percentile £650 £650 £675
90th Percentile £780 £771 £775
UK excluding London median daily rate £490 £500 £500
% change year-on-year -2.00% - -
Number of hourly rates quoted 112 233 153
10th Percentile £27.14 £21.25 £31.60
25th Percentile £48.25 £40.00 £48.50
Median hourly rate £65.00 £46.18 £65.00
Median % change year-on-year +40.75% -28.95% +32.65%
75th Percentile £68.75 £65.00 £75.00
90th Percentile £82.87 £74.89 £80.25
UK excluding London median hourly rate £65.00 £47.50 £64.00
% change year-on-year +36.84% -25.78% +30.61%

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
Contractor Daily Rate Trend

3-month moving average daily rate quoted in jobs citing RxJS.

Daily rate trend for RxJS in the UK

RxJS
Daily Rate Histogram

Daily rate distribution for jobs citing RxJS over the 6 months to 1 May 2025.

Daily rate histogram for RxJS in the UK

RxJS
Contractor Hourly Rate Trend

3-month moving average hourly rates quoted in jobs citing RxJS.

Hourly rate trend for RxJS in the UK

RxJS
Top 10 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing RxJS within the UK over the 6 months to 1 May 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Jobs
England +24 24 £675 -16.92% 32
London +14 16 £775 -8.82% 20
Work from Home +25 15 £683 +5.00% 24
UK excluding London +54 6 £402 -2.55% 20
North of England +20 3 £384 -21.23% 9
North West +19 3 £384 -14.67% 8
South West +45 2 - -
Midlands +18 2 £402 -10.67% 1
East Midlands +8 2 £402 -10.67% 1
East of England - 1 £575 - 1

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:

Cloud Services
1 6 (23.08%) npm
2 5 (19.23%) Yarn
3 2 (7.69%) AWS
3 2 (7.69%) GitHub
4 1 (3.85%) Amazon ECS
4 1 (3.85%) AWS CloudFormation
4 1 (3.85%) AWS Fargate
4 1 (3.85%) Azure
4 1 (3.85%) Azure DevOps
4 1 (3.85%) GCP
Communications & Networking
1 3 (11.54%) SSL
2 1 (3.85%) HTTP
Database & Business Intelligence
1 2 (7.69%) MongoDB
2 1 (3.85%) Amazon RDS
2 1 (3.85%) NoSQL
2 1 (3.85%) PostgreSQL
2 1 (3.85%) Redis
2 1 (3.85%) SQL Server
Development Applications
1 6 (23.08%) Git
2 5 (19.23%) JIRA
2 5 (19.23%) TeamCity
2 5 (19.23%) webpack
3 3 (11.54%) Bitbucket
3 3 (11.54%) Cypress.io
3 3 (11.54%) Jenkins
4 2 (7.69%) Visual Studio
4 2 (7.69%) Visual Studio Code
5 1 (3.85%) GitLab
General
1 13 (50.00%) Banking
2 11 (42.31%) Finance
3 10 (38.46%) Investment Banking
4 3 (11.54%) Social Skills
5 2 (7.69%) Front Office
5 2 (7.69%) Presentation Skills
6 1 (3.85%) German Language
Job Titles
1 24 (92.31%) Developer
2 10 (38.46%) Angular Developer
3 9 (34.62%) Full-Stack Developer
4 8 (30.77%) UI Developer
5 6 (23.08%) Senior
5 6 (23.08%) Senior Developer
6 5 (19.23%) Senior UI Developer
7 4 (15.38%) C# Developer
7 4 (15.38%) Front-End Developer (Client-Side Developer)
8 3 (11.54%) Full-Stack C# Developer
8 3 (11.54%) Full-Stack Java Developer
8 3 (11.54%) Java Developer
9 2 (7.69%) React Developer
10 1 (3.85%) .NET Developer
10 1 (3.85%) C# .NET Developer
10 1 (3.85%) Senior .NET Developer
10 1 (3.85%) Senior C# .NET Developer
10 1 (3.85%) Senior C# Developer
10 1 (3.85%) Software Developer
10 1 (3.85%) UI/UX Developer
Libraries, Frameworks & Software Standards
1 17 (65.38%) AngularJS
2 15 (57.69%) CSS
3 14 (53.85%) React
4 13 (50.00%) HTML
5 7 (26.92%) Redux
5 7 (26.92%) RESTful
6 6 (23.08%) HTML5
6 6 (23.08%) NgRx
7 5 (19.23%) .NET
8 3 (11.54%) REST
8 3 (11.54%) Sass
8 3 (11.54%) Spring
8 3 (11.54%) Spring Boot
9 2 (7.69%) Ajax
9 2 (7.69%) Compass CSS Framework
9 2 (7.69%) CSS3
9 2 (7.69%) Hibernate
9 2 (7.69%) Middleware
9 2 (7.69%) SignalR
9 2 (7.69%) SOAP
Miscellaneous
1 7 (26.92%) Derivative
2 6 (23.08%) Foreign Exchange (FX)
3 3 (11.54%) Credit Risk
3 3 (11.54%) Enterprise Software
3 3 (11.54%) Greenfield Project
4 2 (7.69%) Onboarding
5 1 (3.85%) Distributed Systems
5 1 (3.85%) Team-Oriented Environment
Operating Systems
1 1 (3.85%) Windows
Processes & Methodologies
1 16 (61.54%) Agile
1 16 (61.54%) Full-Stack Development
2 10 (38.46%) Front End Development
3 8 (30.77%) Customer Requirements
4 7 (26.92%) CI/CD
5 6 (23.08%) User Experience
5 6 (23.08%) Web Development
6 5 (19.23%) Code Quality
6 5 (19.23%) Electronic Trading
6 5 (19.23%) Event-Driven
6 5 (19.23%) Event-Driven Programming
7 4 (15.38%) Clean Code
7 4 (15.38%) DevOps
7 4 (15.38%) Sprint Planning
8 3 (11.54%) Continuous Delivery
8 3 (11.54%) Functional Programming
8 3 (11.54%) High Availability
8 3 (11.54%) Low Latency
8 3 (11.54%) Prototyping
8 3 (11.54%) SDLC
Programming Languages
1 23 (88.46%) TypeScript
2 12 (46.15%) JavaScript
3 10 (38.46%) Java
4 7 (26.92%) C#
5 1 (3.85%) Python
Qualifications
1 1 (3.85%) SC Cleared
1 1 (3.85%) Security Cleared
Quality Assurance & Compliance
1 2 (7.69%) Accessibility
System Software
1 1 (3.85%) Docker
Systems Management
1 3 (11.54%) Ansible
2 1 (3.85%) Kubernetes
2 1 (3.85%) Terraform
Vendors
1 5 (19.23%) Atlassian
2 2 (7.69%) Solace
3 1 (3.85%) Google