RxJS Contracts in London

Reactive Extensions for JavaScript (RxJS)
England > London

The table below provides summary statistics for contract job vacancies advertised in London 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 337 351 449
Rank change year-on-year +14 +98 +59
Contract jobs citing RxJS 16 40 44
As % of all contract jobs advertised in London 0.13% 0.22% 0.16%
As % of the Libraries, Frameworks & Software Standards category 0.49% 0.90% 0.59%
Number of daily rates quoted 11 38 31
10th Percentile £475 £611 £463
25th Percentile £664 £775 £484
Median daily rate (50th Percentile) £775 £850 £610
Median % change year-on-year -8.82% +39.34% -12.86%
75th Percentile £788 - £713
90th Percentile £1,100 £1,013 £800
England median daily rate £675 £813 £600
% change year-on-year -16.92% +35.42% -14.29%

All Software Libraries and Frameworks
London

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 in London.

Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 3,271 4,464 7,402
As % of all contract IT jobs advertised in London 26.07% 25.04% 27.38%
Number of daily rates quoted 2,298 3,349 5,511
10th Percentile £385 £375 £413
25th Percentile £450 £459 £500
Median daily rate (50th Percentile) £575 £575 £600
Median % change year-on-year - -4.17% -
75th Percentile £725 £700 £730
90th Percentile £838 £825 £813
England median daily rate £530 £550 £563
% change year-on-year -3.64% -2.22% -
Number of hourly rates quoted 18 26 40
10th Percentile £33.25 £16.25 £30.68
25th Percentile £36.06 £23.90 £37.84
Median hourly rate £52.50 £37.17 £66.00
Median % change year-on-year +41.24% -43.68% +35.86%
75th Percentile £65.00 £61.25 £75.00
90th Percentile £76.25 £68.50 £76.63
England median hourly rate £65.00 £46.18 £65.00
% change year-on-year +40.75% -28.95% +32.65%

RxJS
Job Vacancy Trend in London

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

Job vacancy trend for RxJS in London

RxJS
Contractor Daily Rate Trend in London

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

Daily rate trend for RxJS in London

RxJS
Daily Rate Histogram in London

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

Daily rate histogram for RxJS in London

RxJS
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing RxJS within the London region 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
Central London +4 4 £500 -23.08% 5
RxJS
England

RxJS
Co-occurring Skills and Capabilities in London 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 5 (31.25%) npm
1 5 (31.25%) Yarn
2 1 (6.25%) Amazon ECS
2 1 (6.25%) AWS
2 1 (6.25%) AWS Fargate
2 1 (6.25%) GitHub
Communications & Networking
1 3 (18.75%) SSL
Database & Business Intelligence
1 1 (6.25%) Amazon RDS
1 1 (6.25%) MongoDB
1 1 (6.25%) PostgreSQL
1 1 (6.25%) Redis
Development Applications
1 6 (37.50%) Git
2 5 (31.25%) webpack
3 4 (25.00%) TeamCity
4 3 (18.75%) Bitbucket
4 3 (18.75%) Jenkins
4 3 (18.75%) JIRA
5 1 (6.25%) Cypress.io
5 1 (6.25%) GitLab
5 1 (6.25%) Visual Studio
5 1 (6.25%) Visual Studio Code
General
1 11 (68.75%) Banking
2 9 (56.25%) Investment Banking
3 8 (50.00%) Finance
4 2 (12.50%) Front Office
4 2 (12.50%) Presentation Skills
4 2 (12.50%) Social Skills
5 1 (6.25%) German Language
Job Titles
1 15 (93.75%) Developer
2 8 (50.00%) UI Developer
3 7 (43.75%) Angular Developer
4 6 (37.50%) Senior
4 6 (37.50%) Senior Developer
5 5 (31.25%) Senior UI Developer
6 4 (25.00%) C# Developer
6 4 (25.00%) Full-Stack Developer
7 3 (18.75%) Full-Stack C# Developer
8 2 (12.50%) Full-Stack Java Developer
8 2 (12.50%) Java Developer
8 2 (12.50%) React Developer
9 1 (6.25%) .NET Developer
9 1 (6.25%) C# .NET Developer
9 1 (6.25%) Principal Engineer
9 1 (6.25%) Senior .NET Developer
9 1 (6.25%) Senior C# .NET Developer
9 1 (6.25%) Senior C# Developer
9 1 (6.25%) UI/UX Developer
9 1 (6.25%) UX Developer
Libraries, Frameworks & Software Standards
1 10 (62.50%) React
2 9 (56.25%) AngularJS
2 9 (56.25%) CSS
3 7 (43.75%) HTML
4 6 (37.50%) Redux
5 3 (18.75%) .NET
5 3 (18.75%) HTML5
5 3 (18.75%) RESTful
6 2 (12.50%) Ajax
6 2 (12.50%) Middleware
6 2 (12.50%) REST
6 2 (12.50%) SOAP
7 1 (6.25%) .NET Framework
7 1 (6.25%) ASP.NET
7 1 (6.25%) Kafka
7 1 (6.25%) OAuth
7 1 (6.25%) RabbitMQ
7 1 (6.25%) Sass
7 1 (6.25%) SignalR
7 1 (6.25%) Web Services
Miscellaneous
1 7 (43.75%) Derivative
2 6 (37.50%) Foreign Exchange (FX)
3 3 (18.75%) Credit Risk
3 3 (18.75%) Greenfield Project
4 2 (12.50%) Enterprise Software
5 1 (6.25%) Distributed Systems
5 1 (6.25%) Onboarding
Processes & Methodologies
1 10 (62.50%) Agile
2 9 (56.25%) Full-Stack Development
3 8 (50.00%) Customer Requirements
4 5 (31.25%) CI/CD
4 5 (31.25%) Code Quality
4 5 (31.25%) Electronic Trading
4 5 (31.25%) Event-Driven
4 5 (31.25%) Event-Driven Programming
4 5 (31.25%) Web Development
5 3 (18.75%) Architectural Patterns
5 3 (18.75%) Clean Code
5 3 (18.75%) Continuous Integration
5 3 (18.75%) Front End Development
5 3 (18.75%) High Availability
5 3 (18.75%) OO
5 3 (18.75%) OOP
5 3 (18.75%) Prototyping
5 3 (18.75%) Rapid Prototyping
5 3 (18.75%) Sprint Planning
5 3 (18.75%) Sprint Retrospective
Programming Languages
1 16 (100.00%) TypeScript
2 9 (56.25%) JavaScript
3 7 (43.75%) Java
4 5 (31.25%) C#
System Software
1 1 (6.25%) Docker
Systems Management
1 3 (18.75%) Ansible
2 1 (6.25%) Kubernetes
Vendors
1 5 (31.25%) Atlassian
2 1 (6.25%) Solace