Reactive Extensions for JavaScript (RxJS)
UK

The following table provides summary statistics for contract job vacancies with a requirement for RxJS skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited RxJS over the 6 months to 4 May 2024 with a comparison to the same period in the previous 2 years.

6 months to
4 May 2024
Same period 2023 Same period 2022
Rank 532 671 727
Rank change year-on-year +139 +56 -103
Contract jobs citing RxJS 59 47 127
As % of all contract jobs advertised in the UK 0.14% 0.079% 0.14%
As % of the Libraries, Frameworks & Software Standards category 0.66% 0.34% 0.53%
Number of daily rates quoted 56 33 90
10th Percentile £372 £463 £461
25th Percentile £444 £484 £506
Median daily rate (50th Percentile) £800 £593 £700
Median % change year-on-year +35.02% -15.36% +40.00%
75th Percentile £850 £675 £800
90th Percentile £875 £800 -
UK excluding London median daily rate £431 £548 £475
% change year-on-year -21.23% +15.26% +8.57%
Number of hourly rates quoted 0 0 1
Median hourly rate - - £77.00
UK excluding London median hourly rate - - £77.00
% change year-on-year - - +100.63%

All Software Libraries and Frameworks
UK

RxJS is in the Software Libraries and Frameworks category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies with a requirement for technical specification, industry standards, software libraries and framework skills.

Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 8,883 13,752 24,052
As % of all contract IT jobs advertised in the UK 20.59% 23.25% 27.11%
Number of daily rates quoted 6,169 10,030 17,634
10th Percentile £338 £400 £400
25th Percentile £425 £463 £463
Median daily rate (50th Percentile) £525 £550 £550
Median % change year-on-year -4.55% - +10.00%
75th Percentile £650 £675 £663
90th Percentile £775 £775 £750
UK excluding London median daily rate £500 £500 £500
% change year-on-year - - +14.29%
Number of hourly rates quoted 238 153 241
10th Percentile £21.25 £31.60 £22.50
25th Percentile £40.08 £50.00 £35.00
Median hourly rate £46.84 £65.00 £49.50
Median % change year-on-year -27.94% +31.31% +10.00%
75th Percentile £65.00 £75.00 £65.00
90th Percentile £74.61 £81.00 £75.00
UK excluding London median hourly rate £47.50 £62.50 £49.00
% change year-on-year -24.00% +27.55% +8.89%

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 4 May 2024.

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 13 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 4 May 2024. 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 +124 57 £800 +35.02% 12
London +100 40 £850 +43.46% 10
Work from Home +143 32 £625 +17.10% 9
UK excluding London +78 16 £431 -21.23% 2
Midlands +34 6 £450 +33.33% 1
South East - 4 £325 -
East Midlands - 4 £450 -
South West - 3 £413 -
West Midlands +26 2 £400 +18.52% 1
North of England - 2 £488 -
Scotland +40 1 £450 -
North West - 1 £450 -
Yorkshire - 1 £525 -

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 1 (1.69%) CMS
Cloud Services
1 26 (44.07%) npm
2 5 (8.47%) GCP
3 4 (6.78%) AWS
4 3 (5.08%) Google App Engine
5 2 (3.39%) Azure
6 1 (1.69%) Cloud Computing
6 1 (1.69%) GitHub
6 1 (1.69%) Yarn
Communications & Networking
1 3 (5.08%) HTTP
Database & Business Intelligence
1 3 (5.08%) BigQuery
2 1 (1.69%) NoSQL
2 1 (1.69%) Relational Database
Development Applications
1 22 (37.29%) webpack
2 21 (35.59%) JIRA
3 3 (5.08%) Cypress.io
4 2 (3.39%) Git
4 2 (3.39%) Jasmine
5 1 (1.69%) Karma Test Runner
5 1 (1.69%) Selenium
General
1 26 (44.07%) Front Office
2 24 (40.68%) Social Skills
3 21 (35.59%) Analytical Skills
4 7 (11.86%) Banking
4 7 (11.86%) Finance
5 3 (5.08%) Investment Banking
6 1 (1.69%) Public Sector
6 1 (1.69%) Publishing
6 1 (1.69%) Wearables
Job Titles
1 56 (94.92%) Developer
2 46 (77.97%) Angular Developer
3 19 (32.20%) UI Developer
4 16 (27.12%) Applications Developer
4 16 (27.12%) Real Time Developer
4 16 (27.12%) Web Applications Developer
5 13 (22.03%) Full Stack Developer
6 10 (16.95%) Senior
7 9 (15.25%) Senior Developer
8 8 (13.56%) C# Developer
8 8 (13.56%) Front-End Developer (Client-Side Developer)
8 8 (13.56%) Full-Stack C# Developer
9 7 (11.86%) Senior UI Developer
10 6 (10.17%) C# Application Developer
10 6 (10.17%) C# Web Application Developer
11 5 (8.47%) Electronic Trading Developer
11 5 (8.47%) Web UI Developer
12 4 (6.78%) React Developer
12 4 (6.78%) Senior React Developer
13 3 (5.08%) .NET Developer
Libraries, Frameworks & Software Standards
1 52 (88.14%) AngularJS
2 34 (57.63%) React
3 27 (45.76%) REST
4 22 (37.29%) NgRx
4 22 (37.29%) WebSockets
5 10 (16.95%) CSS
6 9 (15.25%) HTML
7 6 (10.17%) .NET
8 5 (8.47%) Express.js
8 5 (8.47%) GraphQL
8 5 (8.47%) Jest
9 4 (6.78%) CSS3
9 4 (6.78%) HTML5
10 3 (5.08%) Angular 2
10 3 (5.08%) ASP.NET
10 3 (5.08%) Node.js
10 3 (5.08%) RESTful
11 2 (3.39%) Playwright
11 2 (3.39%) Redux
12 1 (1.69%) NestJS
Miscellaneous
1 6 (10.17%) Fixed Income
2 5 (8.47%) Wiki
3 2 (3.39%) Data Structures
3 2 (3.39%) Foreign Exchange (FX)
3 2 (3.39%) Hedge funds
4 1 (1.69%) Derivative
4 1 (1.69%) Greenfield Project
4 1 (1.69%) Private Cloud
Processes & Methodologies
1 28 (47.46%) Agile
2 26 (44.07%) Electronic Trading
3 25 (42.37%) Software Engineering
4 21 (35.59%) Continuous Improvement
4 21 (35.59%) Design Patterns
4 21 (35.59%) Web Application Development
5 18 (30.51%) Front End Development
6 16 (27.12%) Full Stack Development
7 10 (16.95%) Economics
8 6 (10.17%) DevOps
9 5 (8.47%) Epics
9 5 (8.47%) Roadmaps
9 5 (8.47%) Technical Analysis
9 5 (8.47%) User Experience
9 5 (8.47%) Web Development
10 3 (5.08%) API Integration
10 3 (5.08%) Unit Testing
11 2 (3.39%) Functional Programming
11 2 (3.39%) SDLC
11 2 (3.39%) UX Design
Programming Languages
1 55 (93.22%) TypeScript
2 33 (55.93%) JavaScript
3 21 (35.59%) C#
4 4 (6.78%) Java
5 2 (3.39%) F#
6 1 (1.69%) C
6 1 (1.69%) C++
6 1 (1.69%) Python
6 1 (1.69%) SQL
Qualifications
1 13 (22.03%) Degree
2 9 (15.25%) Master's Degree
3 2 (3.39%) SC Cleared
3 2 (3.39%) Security Cleared
Quality Assurance & Compliance
1 2 (3.39%) Accessibility
2 1 (1.69%) WCAG
Vendors
1 4 (6.78%) Google
2 1 (1.69%) Atlassian
2 1 (1.69%) Finsemble
2 1 (1.69%) Microsoft