Period
to 22 February 2019

The following table provides summary statistics for permanent job vacancies advertised in England with a requirement for RxJava skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited RxJava over the 6 months to 22 February 2019 with a comparison to the same period in the previous 2 years.

RxJava
UK > England
6 months to
22 Feb 2019
Same period 2018 Same period 2017
Rank 726 1022 1089
Rank change year-on-year +296 +67 +139
Permanent jobs citing RxJava 355 158 84
As % of all permanent IT jobs advertised in England 0.25% 0.096% 0.051%
As % of the Libraries, Frameworks & Software Standards category 0.64% 0.24% 0.13%
Number of salaries quoted 197 110 74
England median annual salary £65,000 £62,500 £70,000
Median salary % change year-on-year +4.00% -10.71% +21.74%
10th Percentile £47,500 £45,000 £47,500
90th Percentile £75,000 £75,000 £82,500
UK median annual salary £65,000 £60,000 £70,000
% change year-on-year +8.33% -14.29% +21.74%

RxJava 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 advertised in England with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
England
Permanent vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 55,667 67,036 65,480
As % of all permanent IT jobs advertised in England 39.62% 40.68% 39.52%
Number of salaries quoted 45,997 57,035 56,793
England median annual salary £52,500 £50,000 £47,500
Median salary % change year-on-year +5.00% +5.26% +2.15%
10th Percentile £31,250 £30,000 £29,250
90th Percentile £85,000 £80,000 £77,500
UK median annual salary £52,500 £50,000 £47,500
% change year-on-year +5.00% +5.26% +5.56%

RxJava
Job Vacancy Trend in England

Job postings citing RxJava as a percentage of all IT jobs advertised in England.

Job vacancy trend for RxJava in England

RxJava
Salary Trend in England

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

Salary trend for RxJava in England

RxJava
Salary Histogram in England

The salary distribution of IT jobs citing RxJava in England over the 6 months to 22 February 2019.

Salary histogram for RxJava in England

RxJava
Job Locations in England

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing RxJava within the England region over the 6 months to 22 February 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
London +106 170 £67,500 +8.00% 34
South West +148 136 £55,000 - 5
South East +60 29 £70,000 +84.21% 5
North of England +52 19 £60,000 +71.43% 2
North West +44 13 £62,500 +25.00% 1
Yorkshire +32 4 - - 1
North East - 2 £50,000 -
East of England +54 1 £72,500 +20.83%
RxJava
UK

For the 6 months to 22 February 2019, IT jobs citing RxJava 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 across the England region with a requirement for RxJava.

1 300 (84.51%) Android
2 177 (49.86%) Android Development
3 174 (49.01%) Retrofit
4 161 (45.35%) MVVM
5 160 (45.07%) Java
6 147 (41.41%) Google
7 130 (36.62%) Google Play
8 128 (36.06%) Kotlin
9 127 (35.77%) Mentoring
10 123 (34.65%) Agile Software Development
11 118 (33.24%) Analytics
12 115 (32.39%) Coaching
13 111 (31.27%) Chatbot
13 111 (31.27%) Conversational UI
14 82 (23.10%) Dagger
15 75 (21.13%) Git (software)
16 71 (20.00%) JUnit
17 70 (19.72%) Mobile App
18 66 (18.59%) TDD
19 60 (16.90%) User Experience
20 59 (16.62%) RESTful
21 54 (15.21%) Gradle
22 53 (14.93%) Mockito
23 51 (14.37%) Android SDK
23 51 (14.37%) Web Services
24 50 (14.08%) Continuous Integration
25 49 (13.80%) Open Source
26 46 (12.96%) BDD
27 45 (12.68%) Apple iOS
27 45 (12.68%) Mobile Development

RxJava
Co-occurring IT Skills in England 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:

Application Platforms
1 12 (3.38%) Elasticsearch
2 8 (2.25%) WebLogic
2 8 (2.25%) WebSphere
3 7 (1.97%) Confluence
4 6 (1.69%) Apache Solr
5 1 (0.28%) Ethereum
5 1 (0.28%) MQSeries
5 1 (0.28%) WordPress
Applications
1 111 (31.27%) Chatbot
Cloud Services
1 130 (36.62%) Google Play
2 34 (9.58%) GitHub
3 15 (4.23%) Amazon AWS
4 7 (1.97%) Google Cloud Platform
5 5 (1.41%) Runscope
6 4 (1.13%) PaaS
7 3 (0.85%) Amazon EC2
7 3 (0.85%) Amazon S3
7 3 (0.85%) AWS OpsWorks
8 2 (0.56%) Microsoft Azure
9 1 (0.28%) OpenShift
9 1 (0.28%) SaaS
9 1 (0.28%) Slack
Communications & Networking
1 15 (4.23%) HTTP
2 14 (3.94%) Wireless
3 8 (2.25%) SSL
4 6 (1.69%) Bluetooth
4 6 (1.69%) HTTPS
4 6 (1.69%) Wi-Fi
5 2 (0.56%) Intranet
6 1 (0.28%) WebEx
Database & Business Intelligence
1 33 (9.30%) NoSQL
2 25 (7.04%) Couchbase
3 18 (5.07%) Redis
4 15 (4.23%) Big Data
5 12 (3.38%) Apache Cassandra
5 12 (3.38%) Hadoop
6 8 (2.25%) Relational Database
6 8 (2.25%) SQL Server
7 6 (1.69%) MongoDB
7 6 (1.69%) MySQL
8 5 (1.41%) PostgreSQL
9 4 (1.13%) Hazelcast
10 3 (0.85%) MariaDB
11 2 (0.56%) CouchDB
12 1 (0.28%) Aerospike
12 1 (0.28%) Blockchain
Development Applications
1 75 (21.13%) Git (software)
2 71 (20.00%) JUnit
3 54 (15.21%) Gradle
4 53 (14.93%) Mockito
5 40 (11.27%) Android Studio
6 33 (9.30%) Jenkins
7 21 (5.92%) git-flow
8 20 (5.63%) JMeter
9 14 (3.94%) JIRA
10 13 (3.66%) Maven
11 12 (3.38%) Cucumber
12 10 (2.82%) CocoaPods
12 10 (2.82%) fastlane
13 8 (2.25%) Ant
14 7 (1.97%) Bitbucket
14 7 (1.97%) Gatling
14 7 (1.97%) Selenium
15 4 (1.13%) Xcode
16 3 (0.85%) Geb
16 3 (0.85%) Vagrant
General
1 26 (7.32%) Games
2 18 (5.07%) Retail
3 14 (3.94%) Electronics
4 11 (3.10%) Banking
5 9 (2.54%) Finance
6 7 (1.97%) Law
7 4 (1.13%) Back Office
7 4 (1.13%) Military
8 2 (0.56%) Publishing
9 1 (0.28%) Telecoms
Job Titles
1 197 (55.49%) Developer
2 154 (43.38%) Android Developer
3 123 (34.65%) Android Engineer
4 42 (11.83%) Senior Developer
5 36 (10.14%) Java Developer
6 28 (7.89%) Senior Android Developer
7 13 (3.66%) Architect
8 12 (3.38%) Senior Java Developer
9 11 (3.10%) NoSQL Developer
10 10 (2.82%) Mobile Architect
10 10 (2.82%) Mobile Solutions Architect
10 10 (2.82%) Software Engineer
10 10 (2.82%) Solutions Architect
11 6 (1.69%) Mobile Developer
11 6 (1.69%) Server Engineer
12 5 (1.41%) Backend Developer
12 5 (1.41%) Development Engineer
12 5 (1.41%) Lead Developer
12 5 (1.41%) Senior Server Engineer
12 5 (1.41%) Software Development Engineer
Libraries, Frameworks & Software Standards
1 174 (49.01%) Retrofit
2 82 (23.10%) Dagger
3 59 (16.62%) RESTful
4 51 (14.37%) Android SDK
4 51 (14.37%) Web Services
5 41 (11.55%) Spring
6 27 (7.61%) HTML
7 26 (7.32%) Vert.x
8 25 (7.04%) CSS
9 21 (5.92%) HTML5
9 21 (5.92%) JSON
10 20 (5.63%) REST
11 19 (5.35%) XML
12 15 (4.23%) Kafka
13 14 (3.94%) iOS SDK
14 13 (3.66%) SOAP
15 12 (3.38%) Node.js
15 12 (3.38%) Spring Boot
16 10 (2.82%) Akka
16 10 (2.82%) ReactiveCocoa
Miscellaneous
1 70 (19.72%) Mobile App
2 60 (16.90%) User Experience
3 38 (10.70%) Fintech
4 26 (7.32%) Greenfield Project
5 20 (5.63%) Mobile Payment
6 8 (2.25%) Data Structures
6 8 (2.25%) Enterprise Software
7 7 (1.97%) Mobile Banking
8 6 (1.69%) Algorithms
8 6 (1.69%) Analytical Skills
9 4 (1.13%) Animation
9 4 (1.13%) Virtual Team
10 3 (0.85%) Clustering
10 3 (0.85%) Over-the-Top Content
10 3 (0.85%) Video on Demand
10 3 (0.85%) Video\Live Streaming
11 2 (0.56%) EMV
12 1 (0.28%) FMCG
12 1 (0.28%) N-Tier
12 1 (0.28%) PlayStation
Operating Systems
1 300 (84.51%) Android
2 45 (12.68%) Apple iOS
3 9 (2.54%) Linux
4 4 (1.13%) Unix
Processes & Methodologies
1 177 (49.86%) Android Development
2 161 (45.35%) MVVM
3 127 (35.77%) Mentoring
4 123 (34.65%) Agile Software Development
5 118 (33.24%) Analytics
6 115 (32.39%) Coaching
7 111 (31.27%) Conversational UI
8 66 (18.59%) TDD
9 50 (14.08%) Continuous Integration
10 49 (13.80%) Open Source
11 46 (12.96%) BDD
12 45 (12.68%) Computer Science
12 45 (12.68%) Mobile Development
12 45 (12.68%) Software Engineering
13 34 (9.58%) Dependency Injection
13 34 (9.58%) Test Automation
14 32 (9.01%) Microservices
15 30 (8.45%) Unit Testing
16 27 (7.61%) Pair Programming
17 25 (7.04%) Thought Leadership
Programming Languages
1 160 (45.07%) Java
2 128 (36.06%) Kotlin
3 39 (10.99%) Java 8
4 34 (9.58%) JavaScript
5 19 (5.35%) Apple Swift
6 15 (4.23%) C++
7 14 (3.94%) Scala
8 12 (3.38%) SQL
9 9 (2.54%) Groovy
10 7 (1.97%) Clojure
11 5 (1.41%) Python
11 5 (1.41%) Ruby
12 4 (1.13%) TypeScript
13 3 (0.85%) Go
13 3 (0.85%) Jython
14 2 (0.56%) C#
15 1 (0.28%) Java 9
15 1 (0.28%) Objective-C
Qualifications
1 39 (10.99%) Degree
2 38 (10.70%) Computer Science Degree
3 4 (1.13%) Security Cleared
Quality Assurance & Compliance
1 25 (7.04%) QA
System Software
1 30 (8.45%) Docker
Systems Management
1 22 (6.20%) Kubernetes
2 3 (0.85%) Mesos
3 2 (0.56%) AirWatch
3 2 (0.56%) Microsoft Intune
4 1 (0.28%) Kibana
Vendors
1 147 (41.41%) Google
2 9 (2.54%) Splunk
3 2 (0.56%) Microsoft
4 1 (0.28%) Facebook
4 1 (0.28%) Oracle
4 1 (0.28%) Twitter