Job Vacancy Trend Salary Trend Salary Histogram Job Locations Skill Sets
Period
to 16 November 2019

The following table provides summary statistics for permanent job vacancies with a requirement for ReactiveX skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited ReactiveX over the 6 months to 16 November 2019 with a comparison to the same period in the previous 2 years.

ReactiveX
UK
6 months to
16 Nov 2019		 Same period 2018 Same period 2017
Rank 1054 1155 1199
Rank change year-on-year +101 +44 -
Permanent jobs citing ReactiveX 9 9 18
As % of all permanent IT jobs advertised in the UK 0.007% 0.006% 0.010%
As % of the Libraries, Frameworks & Software Standards category 0.017% 0.014% 0.025%
Number of salaries quoted 2 9 18
UK median annual salary £51,250 £80,000 £65,000
Median salary % change year-on-year -35.94% +23.08% -
10th Percentile £35,625 £25,000 £26,250
90th Percentile £67,875 £105,000 £95,000
UK excluding London median annual salary - £25,000 £27,500
% change year-on-year - -9.09% -

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

All Software Libraries and Frameworks
UK
Permanent vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 51,672 64,903 72,259
As % of all permanent IT jobs advertised in the UK 37.99% 39.81% 40.09%
Number of salaries quoted 42,656 53,625 60,022
UK median annual salary £55,000 £52,500 £50,000
Median salary % change year-on-year +4.76% +5.00% +5.26%
10th Percentile £32,500 £31,250 £29,750
90th Percentile £87,500 £83,750 £77,500
UK excluding London median annual salary £45,000 £45,000 £42,500
% change year-on-year - +5.88% +1.19%

ReactiveX
Job Vacancy Trend

Job postings citing ReactiveX as a percentage of all IT jobs advertised.

Job vacancy trend for ReactiveX in the UK

ReactiveX
Salary Trend

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing ReactiveX.

Salary trend for ReactiveX in the UK

ReactiveX
Salary Histogram

The salary distribution of IT jobs citing ReactiveX over the 6 months to 16 November 2019.

Salary histogram for ReactiveX in the UK

ReactiveX
Top 5 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing ReactiveX within the UK over the 6 months to 16 November 2019. 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
Job
Vacancies
UK excluding London +61 7 - -
Scotland - 6 - -
England +100 3 £51,250 -35.94% 1
London +82 2 £51,250 -48.75% 1
South East - 1 - -

For the 6 months to 16 November 2019, IT jobs citing ReactiveX also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent job ads with a requirement for ReactiveX.

1 7 (77.78%) Agile Software Development
2 6 (66.67%) C#
2 6 (66.67%) Azure
3 5 (55.56%) ASP.NET MVC
3 5 (55.56%) Continuous Improvement
3 5 (55.56%) .NET Framework
3 5 (55.56%) Test Automation
3 5 (55.56%) .NET
3 5 (55.56%) ASP.NET
3 5 (55.56%) MVC
3 5 (55.56%) Mobile App
3 5 (55.56%) Mobile Application Development
3 5 (55.56%) ASP.NET Web API
3 5 (55.56%) Kotlin
3 5 (55.56%) Self-Motivation
4 4 (44.44%) RxJS
4 4 (44.44%) TypeScript
4 4 (44.44%) AngularJS
4 4 (44.44%) JavaScript
4 4 (44.44%) Git (software)
5 3 (33.33%) HTML5
5 3 (33.33%) Node.js
5 3 (33.33%) HTML
5 3 (33.33%) CSS
5 3 (33.33%) TDD
5 3 (33.33%) Front End Development
5 3 (33.33%) CSS3
5 3 (33.33%) webpack
6 2 (22.22%) ES6
6 2 (22.22%) NgRx

ReactiveX
Co-occurring IT Skills by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Cloud Services
1 6 (66.67%) Azure
2 2 (22.22%) npm
3 1 (11.11%) AWS
3 1 (11.11%) SaaS
3 1 (11.11%) Yarn
Development Applications
1 4 (44.44%) Git (software)
2 3 (33.33%) webpack
3 2 (22.22%) Bitbucket
General
1 1 (11.11%) Law
Job Titles
1 9 (100.00%) Developer
2 5 (55.56%) Software Developer
3 4 (44.44%) Front End Developer (Client-Side Developer)
4 3 (33.33%) Angular Developer
5 1 (11.11%) JavaScript Developer
5 1 (11.11%) React Developer
Libraries, Frameworks & Software Standards
1 5 (55.56%) .NET
1 5 (55.56%) .NET Framework
1 5 (55.56%) ASP.NET
1 5 (55.56%) ASP.NET MVC
1 5 (55.56%) ASP.NET Web API
2 4 (44.44%) AngularJS
2 4 (44.44%) RxJS
3 3 (33.33%) CSS
3 3 (33.33%) CSS3
3 3 (33.33%) HTML
3 3 (33.33%) HTML5
3 3 (33.33%) Node.js
4 2 (22.22%) Angular 2
4 2 (22.22%) NgRx
4 2 (22.22%) Redux
4 2 (22.22%) Sass
5 1 (11.11%) React
5 1 (11.11%) RxJava
5 1 (11.11%) Twitter Bootstrap
5 1 (11.11%) Vue.js
Miscellaneous
1 5 (55.56%) Mobile App
1 5 (55.56%) Self-Motivation
Processes & Methodologies
1 7 (77.78%) Agile Software Development
2 5 (55.56%) Continuous Improvement
2 5 (55.56%) Mobile Application Development
2 5 (55.56%) MVC
2 5 (55.56%) Test Automation
3 3 (33.33%) Front End Development
3 3 (33.33%) TDD
4 2 (22.22%) Software Engineering
5 1 (11.11%) DevOps
5 1 (11.11%) Project Planning
5 1 (11.11%) Technical Leadership
Programming Languages
1 6 (66.67%) C#
2 5 (55.56%) Kotlin
3 4 (44.44%) JavaScript
3 4 (44.44%) TypeScript
4 2 (22.22%) ES6
5 1 (11.11%) Bash Shell
5 1 (11.11%) Java
5 1 (11.11%) PowerShell
5 1 (11.11%) Shell Script
Qualifications
1 1 (11.11%) DBS Check
Vendors
1 2 (22.22%) Atlassian