Period
to 23 February 2019

The following table provides summary statistics for permanent job vacancies 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 23 February 2019 with a comparison to the same period in the previous 2 years.

RxJava
UK
6 months to
23 Feb 2019
Same period 2018 Same period 2017
Rank 756 1045 1101
Rank change year-on-year +289 +56 +153
Permanent jobs citing RxJava 367 171 84
As % of all permanent IT jobs advertised in the UK 0.24% 0.097% 0.048%
As % of the Libraries, Frameworks & Software Standards category 0.61% 0.24% 0.12%
Number of salaries quoted 204 116 74
UK median annual salary £65,000 £60,000 £70,000
Median salary % change year-on-year +8.33% -14.29% +21.74%
10th Percentile £45,000 £45,000 £47,500
90th Percentile £75,000 £75,000 £82,500
UK excluding London median annual salary £55,000 £55,000 £37,500
% change year-on-year - +46.67% -1.32%

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 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 59,704 71,435 69,297
As % of all permanent IT jobs advertised in the UK 39.68% 40.54% 39.48%
Number of salaries quoted 48,952 60,374 59,658
UK median annual salary £52,500 £50,000 £47,500
Median salary % change year-on-year +5.00% +5.26% +5.56%
10th Percentile £31,250 £30,000 £28,912
90th Percentile £85,000 £78,750 £76,250
UK excluding London median annual salary £45,000 £42,500 £42,500
% change year-on-year +5.88% - +6.25%

RxJava
Job Vacancy Trend

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

Job vacancy trend for RxJava in the UK

RxJava
Salary Trend

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

Salary trend for RxJava in the UK

RxJava
Salary Histogram

The salary distribution of IT jobs citing RxJava over the 6 months to 23 February 2019.

Salary histogram for RxJava in the UK

RxJava
Top 12 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing RxJava within the UK over the 6 months to 23 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
England +287 355 £65,000 +4.00% 46
UK excluding London +213 197 £55,000 - 13
London +128 170 £67,500 +8.00% 35
South West +138 136 £55,000 - 5
South East +62 29 £70,000 +84.21% 5
North of England +45 19 £60,000 +71.43% 1
North West +48 13 £62,500 +25.00%
Wales - 11 £36,000 -
Yorkshire +18 4 - - 1
Scotland +8 4 £35,500 -35.45% 2
North East - 2 £50,000 -
East of England +39 1 £72,500 +20.83%

For the 6 months to 23 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 with a requirement for RxJava.

1 311 (84.74%) Android
2 188 (51.23%) Android Development
3 185 (50.41%) Retrofit
4 171 (46.59%) Java
5 161 (43.87%) MVVM
6 148 (40.33%) Google
7 131 (35.69%) Mentoring
7 131 (35.69%) Kotlin
8 130 (35.42%) Google Play
9 125 (34.06%) Agile Software Development
10 118 (32.15%) Analytics
11 115 (31.34%) Coaching
12 111 (30.25%) Chatbot
12 111 (30.25%) Conversational UI
13 90 (24.52%) Dagger
14 78 (21.25%) Git (software)
15 72 (19.62%) JUnit
16 70 (19.07%) Mobile App
17 67 (18.26%) TDD
18 64 (17.44%) RESTful
19 60 (16.35%) User Experience
20 58 (15.80%) Android SDK
21 55 (14.99%) Gradle
21 55 (14.99%) Web Services
22 54 (14.71%) Mockito
23 50 (13.62%) Continuous Integration
24 49 (13.35%) Open Source
25 47 (12.81%) BDD
25 47 (12.81%) Android Studio
26 46 (12.53%) Software Engineering

RxJava
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:

Application Platforms
1 12 (3.27%) Elasticsearch
2 8 (2.18%) WebLogic
2 8 (2.18%) WebSphere
3 7 (1.91%) Confluence
4 6 (1.63%) Apache Solr
5 1 (0.27%) Ethereum
5 1 (0.27%) MQSeries
5 1 (0.27%) WordPress
Applications
1 111 (30.25%) Chatbot
Cloud Services
1 130 (35.42%) Google Play
2 35 (9.54%) GitHub
3 16 (4.36%) Amazon AWS
4 8 (2.18%) Google Cloud Platform
5 5 (1.36%) Runscope
6 4 (1.09%) PaaS
7 3 (0.82%) Amazon EC2
7 3 (0.82%) Amazon S3
7 3 (0.82%) AWS OpsWorks
8 2 (0.54%) Microsoft Azure
9 1 (0.27%) OpenShift
9 1 (0.27%) SaaS
9 1 (0.27%) Slack
Communications & Networking
1 15 (4.09%) HTTP
2 14 (3.81%) Wireless
3 8 (2.18%) Bluetooth
3 8 (2.18%) SSL
4 6 (1.63%) HTTPS
4 6 (1.63%) Wi-Fi
5 2 (0.54%) Intranet
6 1 (0.27%) WebEx
Database & Business Intelligence
1 34 (9.26%) NoSQL
2 25 (6.81%) Couchbase
3 18 (4.90%) Redis
4 15 (4.09%) Big Data
5 12 (3.27%) Apache Cassandra
5 12 (3.27%) Hadoop
6 8 (2.18%) Relational Database
6 8 (2.18%) SQL Server
7 6 (1.63%) MongoDB
7 6 (1.63%) MySQL
7 6 (1.63%) SQLite
8 5 (1.36%) PostgreSQL
9 4 (1.09%) Hazelcast
10 3 (0.82%) MariaDB
11 2 (0.54%) CouchDB
12 1 (0.27%) Aerospike
12 1 (0.27%) Blockchain
Development Applications
1 78 (21.25%) Git (software)
2 72 (19.62%) JUnit
3 55 (14.99%) Gradle
4 54 (14.71%) Mockito
5 47 (12.81%) Android Studio
6 33 (8.99%) Jenkins
7 21 (5.72%) git-flow
8 20 (5.45%) JMeter
9 17 (4.63%) JIRA
10 13 (3.54%) Maven
11 12 (3.27%) Cucumber
12 10 (2.72%) CocoaPods
12 10 (2.72%) fastlane
13 8 (2.18%) Ant
14 7 (1.91%) Bitbucket
14 7 (1.91%) Gatling
14 7 (1.91%) Selenium
15 4 (1.09%) Xcode
16 3 (0.82%) Hudson
16 3 (0.82%) Vagrant
General
1 26 (7.08%) Games
2 18 (4.90%) Retail
3 14 (3.81%) Electronics
4 11 (3.00%) Banking
4 11 (3.00%) Finance
5 7 (1.91%) Law
6 4 (1.09%) Back Office
6 4 (1.09%) Military
7 3 (0.82%) Marketing
8 2 (0.54%) Publishing
9 1 (0.27%) Telecoms
Job Titles
1 208 (56.68%) Developer
2 165 (44.96%) Android Developer
3 123 (33.51%) Android Engineer
4 46 (12.53%) Senior Developer
5 36 (9.81%) Java Developer
6 32 (8.72%) Senior Android Developer
7 14 (3.81%) Architect
8 12 (3.27%) Senior Java Developer
9 11 (3.00%) NoSQL Developer
10 10 (2.72%) Mobile Architect
10 10 (2.72%) Mobile Solutions Architect
10 10 (2.72%) Software Engineer
10 10 (2.72%) Solutions Architect
11 6 (1.63%) Mobile Developer
11 6 (1.63%) Server Engineer
12 5 (1.36%) Development Engineer
12 5 (1.36%) Full Stack Developer
12 5 (1.36%) Senior Full Stack Developer
12 5 (1.36%) Senior Server Engineer
12 5 (1.36%) Software Development Engineer
Libraries, Frameworks & Software Standards
1 185 (50.41%) Retrofit
2 90 (24.52%) Dagger
3 64 (17.44%) RESTful
4 58 (15.80%) Android SDK
5 55 (14.99%) Web Services
6 42 (11.44%) Spring
7 27 (7.36%) HTML
8 26 (7.08%) JSON
8 26 (7.08%) Vert.x
9 25 (6.81%) CSS
10 21 (5.72%) HTML5
11 20 (5.45%) REST
12 19 (5.18%) XML
13 15 (4.09%) Kafka
14 14 (3.81%) iOS SDK
15 13 (3.54%) SOAP
15 13 (3.54%) Spring Boot
16 12 (3.27%) Node.js
17 10 (2.72%) Akka
17 10 (2.72%) Middleware
Miscellaneous
1 70 (19.07%) Mobile App
2 60 (16.35%) User Experience
3 38 (10.35%) Fintech
4 29 (7.90%) Greenfield Project
5 20 (5.45%) Mobile Payment
6 8 (2.18%) Data Structures
6 8 (2.18%) Enterprise Software
7 7 (1.91%) Analytical Skills
7 7 (1.91%) Mobile Banking
8 6 (1.63%) Algorithms
9 4 (1.09%) Animation
9 4 (1.09%) Virtual Team
10 3 (0.82%) Clustering
10 3 (0.82%) Over-the-Top Content
10 3 (0.82%) Video on Demand
10 3 (0.82%) Video\Live Streaming
11 2 (0.54%) EMV
12 1 (0.27%) FMCG
12 1 (0.27%) Handset
12 1 (0.27%) PlayStation
Operating Systems
1 311 (84.74%) Android
2 45 (12.26%) Apple iOS
3 9 (2.45%) Linux
4 4 (1.09%) Unix
Processes & Methodologies
1 188 (51.23%) Android Development
2 161 (43.87%) MVVM
3 131 (35.69%) Mentoring
4 125 (34.06%) Agile Software Development
5 118 (32.15%) Analytics
6 115 (31.34%) Coaching
7 111 (30.25%) Conversational UI
8 67 (18.26%) TDD
9 50 (13.62%) Continuous Integration
10 49 (13.35%) Open Source
11 47 (12.81%) BDD
12 46 (12.53%) Software Engineering
13 45 (12.26%) Computer Science
13 45 (12.26%) Mobile Development
14 34 (9.26%) Dependency Injection
14 34 (9.26%) Test Automation
15 32 (8.72%) Microservices
16 30 (8.17%) Unit Testing
17 27 (7.36%) Pair Programming
18 26 (7.08%) Thought Leadership
Programming Languages
1 171 (46.59%) Java
2 131 (35.69%) Kotlin
3 40 (10.90%) Java 8
4 34 (9.26%) JavaScript
5 19 (5.18%) Apple Swift
6 15 (4.09%) C++
7 14 (3.81%) Scala
8 12 (3.27%) SQL
9 9 (2.45%) Groovy
10 7 (1.91%) Clojure
11 5 (1.36%) Python
11 5 (1.36%) Ruby
12 4 (1.09%) TypeScript
13 3 (0.82%) Go
13 3 (0.82%) Jython
14 2 (0.54%) C#
15 1 (0.27%) Java 9
15 1 (0.27%) Objective-C
Qualifications
1 39 (10.63%) Degree
2 38 (10.35%) Computer Science Degree
3 4 (1.09%) Security Cleared
Quality Assurance & Compliance
1 25 (6.81%) QA
System Software
1 31 (8.45%) Docker
Systems Management
1 22 (5.99%) Kubernetes
2 3 (0.82%) Mesos
3 2 (0.54%) AirWatch
3 2 (0.54%) Microsoft Intune
4 1 (0.27%) Kibana
Vendors
1 148 (40.33%) Google
2 9 (2.45%) Splunk
3 2 (0.54%) Microsoft
4 1 (0.27%) Facebook
4 1 (0.27%) Oracle
4 1 (0.27%) Twitter