Reactive Extensions Contracts

Reactive Extensions for .NET (Rx.NET)
UK

The table below provides summary statistics for contract job vacancies requiring Reactive Extensions skills. It includes a benchmarking guide to the contractor rates offered in vacancies that cited Reactive Extensions 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 496 565 669
Rank change year-on-year +69 +104 +73
Contract jobs citing Reactive Extensions 24 17 49
As % of all contract jobs advertised in the UK 0.082% 0.039% 0.082%
As % of the Libraries, Frameworks & Software Standards category 0.36% 0.19% 0.35%
Number of daily rates quoted 21 15 47
10th Percentile £750 £805 £633
25th Percentile £800 £813 £638
Median daily rate (50th Percentile) £850 £850 £750
Median % change year-on-year - +13.33% -
75th Percentile - - £844
90th Percentile - - £850
UK excluding London median daily rate - - -

All Software Libraries and Frameworks
UK

Reactive Extensions 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%

Reactive Extensions
Job Vacancy Trend

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

Job vacancy trend for Reactive Extensions in the UK

Reactive Extensions
Contractor Daily Rate Trend

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

Daily rate trend for Reactive Extensions in the UK

Reactive Extensions
Daily Rate Histogram

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

Daily rate histogram for Reactive Extensions in the UK

Reactive Extensions
Contractor Hourly Rate Trend

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

Hourly rate trend for Reactive Extensions in the UK

Reactive Extensions
Top 3 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Reactive Extensions 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 +64 24 £850 - 2
London +45 24 £850 - 2
Work from Home +55 20 £850 - 1

Reactive Extensions
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:

Development Applications
1 15 (62.50%) JIRA
General
1 24 (100.00%) Front Office
2 21 (87.50%) Social Skills
3 15 (62.50%) Analytical Skills
4 2 (8.33%) Banking
4 2 (8.33%) Finance
4 2 (8.33%) Financial Institution
4 2 (8.33%) Investment Banking
Job Titles
1 24 (100.00%) C# Developer
1 24 (100.00%) Developer
2 19 (79.17%) .NET Developer
2 19 (79.17%) C# .NET Developer
3 15 (62.50%) C# Developer - Electronic Trading
3 15 (62.50%) Electronic Trading Developer
3 15 (62.50%) Real Time Developer
4 6 (25.00%) Front Office Developer
5 3 (12.50%) SOA Developer
6 2 (8.33%) SQL Developer
7 1 (4.17%) Angular Developer
Libraries, Frameworks & Software Standards
1 22 (91.67%) .NET
2 15 (62.50%) AngularJS
3 6 (25.00%) .NET Framework
3 6 (25.00%) Akka.NET
4 1 (4.17%) ReactiveX
Miscellaneous
1 12 (50.00%) Enterprise Software
2 7 (29.17%) Fixed Income
Processes & Methodologies
1 22 (91.67%) Agile
1 22 (91.67%) Design Patterns
2 17 (70.83%) Electronic Trading
3 15 (62.50%) Continuous Improvement
4 12 (50.00%) Economics
4 12 (50.00%) OO
5 10 (41.67%) Low Latency
6 7 (29.17%) Computer Science
6 7 (29.17%) SOA
6 7 (29.17%) TDD
7 6 (25.00%) Functional Programming
7 6 (25.00%) Requirements Analysis
7 6 (25.00%) Test Automation
8 2 (8.33%) Continuous Integration
9 1 (4.17%) Memory Management
9 1 (4.17%) Performance Optimisation
Programming Languages
1 24 (100.00%) C#
2 15 (62.50%) SQL
3 12 (50.00%) Java
3 12 (50.00%) JavaScript
3 12 (50.00%) TypeScript
4 5 (20.83%) F#
Vendors
1 15 (62.50%) Oracle
2 6 (25.00%) Microsoft