The following table provides summary statistics for permanent job vacancies advertised in Reading 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 23 June 2017 with a comparison to the same period in the previous 2 years.

Apache Cassandra
Berkshire / Reading
3 months to
23 Jun 2017
Same period 2016 Same period 2015
Rank 90 97 129
Rank change year-on-year +7 +32  
Permanent jobs citing Apache Cassandra 17 35 20
As % of all permanent IT jobs advertised in Reading 1.30% 1.97% 0.87%
As % of the Database & Business Intelligence category 5.67% 7.40% 2.97%
Number of salaries quoted 12 32 11
Median salary £62,500 £60,000 £65,000
Median salary % change year-on-year +4.16% -7.69%  
UK excluding London median salary £55,000 £60,000 £50,000
% change year-on-year -8.33% +20.00%  

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 Reading with a requirement for database and business intelligence skills.

Database & Business Intelligence Skills
Reading
Permanent job vacancies with a requirement for database and business intelligence skills 300 473 673
As % of all permanent IT job vacancies advertised in Reading 22.90% 26.65% 29.17%
Number of salaries quoted 242 408 534
Median salary £45,000 £47,500 £47,500
Median salary % change year-on-year -5.26% -  
90% offered a salary of more than £32,100 £35,000 £32,500
10% offered a salary of more than £70,000 £65,000 £60,000
UK excluding London median salary £42,500 £42,500 £41,500
% change year-on-year - +2.40%  

Apache Cassandra
Job Vacancy Trend in Reading

The job posting trend of jobs advertised in Reading citing Apache Cassandra as a proportion of all permanent or contract IT jobs with a match in the Database & Business Intelligence category.

Job vacancy trend for Apache Cassandra in Reading

Apache Cassandra
Salary Trend in Reading

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

Salary trend for Apache Cassandra in Reading

Apache Cassandra
Salary Histogram in Reading

The salary distribution of IT jobs citing Apache Cassandra in Reading over the 3 months to 23 June 2017.

Salary histogram for Apache Cassandra in Reading

For the 6 months to 23 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 Reading region with a requirement for Apache Cassandra.

1 26 (81.25%) Linux
2 21 (65.63%) Jenkins
3 20 (62.50%) Java
4 17 (53.13%) Windows
4 17 (53.13%) Amazon AWS
5 16 (50.00%) RabbitMQ
5 16 (50.00%) Elasticsearch
5 16 (50.00%) PostgreSQL
6 15 (46.88%) Degree
7 14 (43.75%) Maven
7 14 (43.75%) TDD
8 13 (40.63%) Microservices
8 13 (40.63%) Computer Science
8 13 (40.63%) Unit Testing
8 13 (40.63%) Test Automation
8 13 (40.63%) Computer Science Degree
9 11 (34.38%) Docker
10 10 (31.25%) JavaScript
10 10 (31.25%) OO
10 10 (31.25%) Python
10 10 (31.25%) CentOS
10 10 (31.25%) Node.js
10 10 (31.25%) MongoDB
11 9 (28.13%) REST
11 9 (28.13%) Bash Shell
11 9 (28.13%) Cloud Computing
11 9 (28.13%) AngularJS
11 9 (28.13%) WebSockets
11 9 (28.13%) Apache ZooKeeper
11 9 (28.13%) D3.js

Apache Cassandra
Co-occurring IT Skills in Reading 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 16 (50.00%) Elasticsearch
2 8 (25.00%) nginx
3 7 (21.88%) Apache
3 7 (21.88%) Apache Solr
3 7 (21.88%) IIS
Cloud Services
1 17 (53.13%) Amazon AWS
2 9 (28.13%) Cloud Computing
3 7 (21.88%) Amazon EC2
3 7 (21.88%) Amazon ELB
3 7 (21.88%) Amazon S3
3 7 (21.88%) Google App Engine
3 7 (21.88%) Google Cloud Platform
4 4 (12.50%) Akamai
5 1 (3.13%) Microsoft Azure
Communications & Networking
1 7 (21.88%) Cisco ASA
1 7 (21.88%) Cisco Nexus
1 7 (21.88%) Cisco PIX
1 7 (21.88%) Firewall
1 7 (21.88%) OpenVPN
1 7 (21.88%) SAN
1 7 (21.88%) VPN
2 1 (3.13%) HTTP
2 1 (3.13%) Network Security
2 1 (3.13%) SMPP
Database & Business Intelligence
1 16 (50.00%) PostgreSQL
2 10 (31.25%) MongoDB
3 8 (25.00%) NoSQL
3 8 (25.00%) SQL Server
4 7 (21.88%) MySQL
5 4 (12.50%) Riak
6 1 (3.13%) DataStax
6 1 (3.13%) Hadoop
6 1 (3.13%) Relational Database
6 1 (3.13%) SQL Server 2012
Development Applications
1 21 (65.63%) Jenkins
2 14 (43.75%) Maven
3 9 (28.13%) JUnit
4 8 (25.00%) Git (software)
5 7 (21.88%) Sonatype Nexus
6 4 (12.50%) Ant
General
1 5 (15.63%) Telecoms
2 1 (3.13%) Banking
2 1 (3.13%) Finance
Job Titles
1 20 (62.50%) Developer
2 19 (59.38%) Java Developer
3 11 (34.38%) Senior Developer
3 11 (34.38%) Senior Java Developer
4 4 (12.50%) Administrator
4 4 (12.50%) Linux Developer
4 4 (12.50%) Senior Systems Administrator
4 4 (12.50%) Systems Administrator
5 3 (9.38%) Angular Developer
5 3 (9.38%) Network Engineer
5 3 (9.38%) Network Systems Engineer
5 3 (9.38%) Systems Engineer
6 1 (3.13%) Digital Transformation
6 1 (3.13%) Digital Transformation Architect
6 1 (3.13%) Network Administrator
6 1 (3.13%) Service Architect
6 1 (3.13%) Technical Support
6 1 (3.13%) Technical Support Manager
6 1 (3.13%) Telecoms Java Developer
6 1 (3.13%) Web UI Developer
Libraries, Frameworks & Software Standards
1 16 (50.00%) RabbitMQ
2 10 (31.25%) Node.js
3 9 (28.13%) AngularJS
3 9 (28.13%) CSS
3 9 (28.13%) D3.js
3 9 (28.13%) HTML
3 9 (28.13%) JSON
3 9 (28.13%) REST
3 9 (28.13%) WebSockets
4 7 (21.88%) Elastic Stack
4 7 (21.88%) Kafka
5 6 (18.75%) Web Services
6 5 (15.63%) Spring
7 4 (12.50%) RESTful
8 1 (3.13%) .NET
8 1 (3.13%) J2EE
8 1 (3.13%) Middleware
8 1 (3.13%) SOAP
Miscellaneous
1 13 (40.63%) Computer Science
2 9 (28.13%) Analytical Skills
3 8 (25.00%) Public Cloud
4 7 (21.88%) Data Centre
5 3 (9.38%) Greenfield Project
6 1 (3.13%) Enterprise Software
Operating Systems
1 26 (81.25%) Linux
2 17 (53.13%) Windows
3 10 (31.25%) CentOS
4 7 (21.88%) Windows Server
4 7 (21.88%) Windows Server 2008
4 7 (21.88%) Windows Server 2012
5 1 (3.13%) Unix
Processes & Methodologies
1 14 (43.75%) TDD
2 13 (40.63%) Microservices
2 13 (40.63%) Test Automation
2 13 (40.63%) Unit Testing
3 10 (31.25%) OO
4 9 (28.13%) Software Engineering
5 7 (21.88%) Configuration Management
5 7 (21.88%) Continuous Improvement
5 7 (21.88%) High Availability
6 4 (12.50%) Agile Software Development
6 4 (12.50%) Business Continuity
6 4 (12.50%) DevOps
6 4 (12.50%) Disaster Recovery
6 4 (12.50%) Incident Management
6 4 (12.50%) Scrum
6 4 (12.50%) Secure Coding
7 3 (9.38%) Logistics
7 3 (9.38%) Problem Management
8 1 (3.13%) Continuous Integration
8 1 (3.13%) Performance Management
Programming Languages
1 20 (62.50%) Java
2 10 (31.25%) JavaScript
2 10 (31.25%) Python
3 9 (28.13%) Bash Shell
4 1 (3.13%) SQL
Qualifications
1 15 (46.88%) Degree
2 13 (40.63%) Computer Science Degree
Quality Assurance & Compliance
1 1 (3.13%) ISO 22301
1 1 (3.13%) ISO 9001
1 1 (3.13%) ISO/IEC 27001
1 1 (3.13%) PCI DSS
1 1 (3.13%) SLA
System Software
1 11 (34.38%) Docker
2 9 (28.13%) Apache ZooKeeper
3 7 (21.88%) Hyper-V
3 7 (21.88%) Varnish
Systems Management
1 7 (21.88%) HAProxy
1 7 (21.88%) Kibana
1 7 (21.88%) logstash
1 7 (21.88%) Puppet
1 7 (21.88%) ZABBIX
2 2 (6.25%) Prometheus
3 1 (3.13%) Ansible
3 1 (3.13%) Kubernetes
Vendors
1 9 (28.13%) VMware
2 7 (21.88%) Cisco
2 7 (21.88%) Dell
2 7 (21.88%) HP
2 7 (21.88%) New Relic
3 4 (12.50%) Red Hat
4 2 (6.25%) Oracle
5 1 (3.13%) Apigee
5 1 (3.13%) Atlassian
5 1 (3.13%) Microsoft