The following table provides summary statistics for permanent job vacancies advertised in Wales with a requirement for Apache Cassandra skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Apache Cassandra over the 3 months to 28 June 2017 with a comparison to the same period in the previous 2 years.

Apache Cassandra
UK / Wales
3 months to
28 Jun 2017
Same period 2016 Same period 2015
Rank 90 94 103
Rank change year-on-year +4 +9  
Permanent jobs citing Apache Cassandra 2 5 2
As % of all permanent IT jobs advertised in Wales 0.20% 0.38% 0.14%
As % of the Database & Business Intelligence category 0.73% 1.45% 0.48%
Number of salaries quoted 2 3 0
Median salary £29,000 £55,000 -
Median salary % change year-on-year -47.27% -  
UK excluding London median salary £55,000 £55,000 £50,000
% change year-on-year - +10.00%  

Apache Cassandra is in the database and business intelligence skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in Wales with a requirement for database and business intelligence skills.

Database & Business Intelligence Skills
Wales
Permanent job vacancies with a requirement for database and business intelligence skills 274 345 416
As % of all permanent IT job vacancies advertised in Wales 27.59% 26.28% 29.74%
Number of salaries quoted 508 650 827
Median salary £39,000 £38,500 £37,500
Median salary % change year-on-year +1.29% +2.66%  
90% offered a salary of more than £27,708 £22,750 £26,250
10% offered a salary of more than £54,844 £48,750 £50,000
UK excluding London median salary £42,500 £42,500 £41,500
% change year-on-year - +2.40%  

Apache Cassandra
Job Vacancy Trend in Wales

Job postings citing Apache Cassandra as a percentage of all IT jobs advertised in Wales.

Job vacancy trend for Apache Cassandra in Wales

Apache Cassandra
Salary Trend in Wales

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

Salary trend for Apache Cassandra in Wales

Apache Cassandra
Salary Histogram in Wales

The salary distribution of IT jobs citing Apache Cassandra in Wales over the 3 months to 28 June 2017.

Salary histogram for Apache Cassandra in Wales

Apache Cassandra
Job Locations in Wales

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Apache Cassandra within the Wales region over the 3 months to 28 June 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Last 3 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
South Wales +12 2 £29,000 -47.27%
Apache Cassandra
UK

For the 6 months to 28 June 2017, IT jobs citing Apache Cassandra also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the Wales region with a requirement for Apache Cassandra.

1 11 (64.71%) Agile Software Development
2 9 (52.94%) JavaScript
2 9 (52.94%) Software Engineering
2 9 (52.94%) Amazon AWS
2 9 (52.94%) Elasticsearch
3 8 (47.06%) Python
3 8 (47.06%) Web Services
4 7 (41.18%) AngularJS
5 6 (35.29%) Big Data
5 6 (35.29%) Node.js
5 6 (35.29%) Vue.js
5 6 (35.29%) Greenfield Project
5 6 (35.29%) Java
5 6 (35.29%) NoSQL
6 5 (29.41%) Hadoop
6 5 (29.41%) Java EE
6 5 (29.41%) Degree
6 5 (29.41%) Computer Science
6 5 (29.41%) Scrum
6 5 (29.41%) C#
6 5 (29.41%) Computer Science Degree
6 5 (29.41%) Microservices
6 5 (29.41%) Apache Spark
6 5 (29.41%) MongoDB
7 4 (23.53%) Ember.js
7 4 (23.53%) Docker
7 4 (23.53%) React
8 3 (17.65%) Web Development
8 3 (17.65%) VMware Infrastructure
8 3 (17.65%) Mac OS

Apache Cassandra
Co-occurring IT Skills in Wales 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 9 (52.94%) Elasticsearch
2 5 (29.41%) Apache Spark
3 3 (17.65%) Apache
3 3 (17.65%) JBoss
3 3 (17.65%) nginx
3 3 (17.65%) OpenStack
3 3 (17.65%) Tomcat
Cloud Services
1 9 (52.94%) Amazon AWS
2 3 (17.65%) IaaS
2 3 (17.65%) Microsoft Azure
2 3 (17.65%) PaaS
2 3 (17.65%) SaaS
Database & Business Intelligence
1 6 (35.29%) Big Data
1 6 (35.29%) NoSQL
2 5 (29.41%) Hadoop
2 5 (29.41%) MongoDB
3 2 (11.76%) Data Mining
3 2 (11.76%) Neo4j
4 1 (5.88%) Azure SQL Database
Development Applications
1 2 (11.76%) Git (software)
1 2 (11.76%) Maven
2 1 (5.88%) Selenium
Job Titles
1 10 (58.82%) Developer
2 4 (23.53%) Full Stack Developer
2 4 (23.53%) Java Developer
2 4 (23.53%) JavaScript Developer
3 3 (17.65%) Web Developer
4 2 (11.76%) Architect
4 2 (11.76%) Big Data Architect
4 2 (11.76%) Cloud Engineer
4 2 (11.76%) Data Architect
4 2 (11.76%) Infrastructure Engineer
4 2 (11.76%) Junior
4 2 (11.76%) Junior Developer
4 2 (11.76%) Junior Web Developer
4 2 (11.76%) Systems Architect
5 1 (5.88%) Cloud Infrastructure Engineer
5 1 (5.88%) Full Stack Web Developer
5 1 (5.88%) Junior JavaScript Developer
5 1 (5.88%) Senior Developer
5 1 (5.88%) Senior Java Developer
5 1 (5.88%) Technical Leader
Libraries, Frameworks & Software Standards
1 8 (47.06%) Web Services
2 7 (41.18%) AngularJS
3 6 (35.29%) Node.js
3 6 (35.29%) Vue.js
4 5 (29.41%) Java EE
5 4 (23.53%) Ember.js
5 4 (23.53%) React
6 3 (17.65%) .NET
6 3 (17.65%) CSS
6 3 (17.65%) HTML
6 3 (17.65%) Spring
6 3 (17.65%) Spring Boot
7 2 (11.76%) Apache Camel
7 2 (11.76%) Dropwizard
7 2 (11.76%) JMX
7 2 (11.76%) JPA
7 2 (11.76%) JSF
7 2 (11.76%) RESTful
8 1 (5.88%) RabbitMQ
Miscellaneous
1 6 (35.29%) Greenfield Project
2 5 (29.41%) Computer Science
3 3 (17.65%) Private Cloud
Operating Systems
1 3 (17.65%) Linux
1 3 (17.65%) Mac OS
1 3 (17.65%) OpenBSD
1 3 (17.65%) Ubuntu
1 3 (17.65%) Unix
1 3 (17.65%) Windows
1 3 (17.65%) Windows Server
Processes & Methodologies
1 11 (64.71%) Agile Software Development
2 9 (52.94%) Software Engineering
3 5 (29.41%) Microservices
3 5 (29.41%) Scrum
4 3 (17.65%) API Development
4 3 (17.65%) Continuous Improvement
4 3 (17.65%) Front End Development
4 3 (17.65%) Line Management
4 3 (17.65%) Test Automation
4 3 (17.65%) Web Development
5 2 (11.76%) Artificial Intelligence
5 2 (11.76%) Continuous Integration
5 2 (11.76%) Dependency Management
5 2 (11.76%) Release Management
5 2 (11.76%) Software Architecture
6 1 (5.88%) BDD
6 1 (5.88%) Continuous Delivery
6 1 (5.88%) DevOps
6 1 (5.88%) TDD
6 1 (5.88%) User Stories
Programming Languages
1 9 (52.94%) JavaScript
2 8 (47.06%) Python
3 6 (35.29%) Java
4 5 (29.41%) C#
5 3 (17.65%) C++
5 3 (17.65%) Perl
6 2 (11.76%) R
6 2 (11.76%) SQL
7 1 (5.88%) PL/SQL
Qualifications
1 5 (29.41%) Computer Science Degree
1 5 (29.41%) Degree
2 2 (11.76%) HND
3 1 (5.88%) Sun Certification
System Software
1 4 (23.53%) Docker
2 3 (17.65%) VMware Infrastructure
Systems Management
1 3 (17.65%) Terraform
Vendors
1 3 (17.65%) Oracle
1 3 (17.65%) Red Hat
1 3 (17.65%) VMware
2 2 (11.76%) Microsoft
2 2 (11.76%) Perforce