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 25 March 2017 with a comparison to the same period in the previous 2 years.

3 months to
25 Mar 2017
Same period 2016 Same period 2015
Apache Cassandra
Berkshire / Reading
Rank 96 131 141
Rank change year-on-year +35 +10  
Permanent jobs citing Apache Cassandra 15 14 7
As % of all permanent IT jobs advertised in Reading 1.20% 0.72% 0.29%
As % of the Database & Business Intelligence category 4.69% 2.34% 1.28%
Number of salaries quoted 14 14 2
Median salary £60,000 £43,750 £68,750
Median salary % change year-on-year +37.14% -36.36%  
90% offered a salary of more than £58,250 £40,450 £65,750
10% offered a salary of more than £64,250 £57,450 £71,750
UK excluding London median salary £53,125 £50,000 £47,500
% change year-on-year +6.25% +5.26%  

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 320 598 547
As % of all permanent IT job vacancies advertised in Reading 25.70% 30.75% 23.00%
Number of salaries quoted 234 537 471
Median salary £47,500 £45,000 £52,500
Median salary % change year-on-year +5.55% -14.28%  
90% offered a salary of more than £32,100 £32,500 £35,000
10% offered a salary of more than £65,000 £72,550 £60,000
UK excluding London median salary £42,500 £42,500 £40,000
% change year-on-year - +6.25%  

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 25 March 2017.

Salary histogram for Apache Cassandra in Reading

Apache Cassandra
Top 30 Related IT Skills in Reading

For the 6 months to 25 March 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 31 (86.11%) Linux
2 28 (77.78%) Java
3 25 (69.44%) Jenkins
4 21 (58.33%) PostgreSQL
5 20 (55.56%) Maven
5 20 (55.56%) Elasticsearch
5 20 (55.56%) Amazon AWS
6 19 (52.78%) TDD
6 19 (52.78%) Windows
6 19 (52.78%) Python
7 18 (50.00%) JavaScript
7 18 (50.00%) Unit Testing
7 18 (50.00%) RabbitMQ
8 17 (47.22%) REST
8 17 (47.22%) Apache ZooKeeper
8 17 (47.22%) Computer Science
8 17 (47.22%) Degree
8 17 (47.22%) JSON
8 17 (47.22%) HTML
9 16 (44.44%) VMware
9 16 (44.44%) WebSockets
9 16 (44.44%) Bash Shell
9 16 (44.44%) AngularJS
10 15 (41.67%) OO
11 14 (38.89%) CSS
11 14 (38.89%) NoSQL
12 13 (36.11%) Node.js
13 12 (33.33%) MongoDB
13 12 (33.33%) D3.js
13 12 (33.33%) Analytical Skills

Apache Cassandra
Top Related 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 20 (55.56%) Elasticsearch
2 11 (30.56%) Apache
3 9 (25.00%) nginx
4 6 (16.67%) IIS
5 5 (13.89%) Apache Solr
6 3 (8.33%) Apache Spark
6 3 (8.33%) OpenStack
7 2 (5.56%) Apache Pig
8 1 (2.78%) Exchange Server 2010
8 1 (2.78%) MS Exchange
8 1 (2.78%) Oracle SOA Suite
Cloud Services
1 20 (55.56%) Amazon AWS
2 12 (33.33%) Cloud Computing
3 5 (13.89%) Amazon EC2
3 5 (13.89%) Amazon ELB
3 5 (13.89%) Amazon S3
3 5 (13.89%) Google App Engine
3 5 (13.89%) Google Cloud Platform
4 4 (11.11%) IaaS
4 4 (11.11%) PaaS
5 3 (8.33%) Microsoft Azure
6 1 (2.78%) SaaS
Communications & Networking
1 6 (16.67%) Firewall
2 5 (13.89%) Cisco ASA
2 5 (13.89%) Cisco Nexus
2 5 (13.89%) Cisco PIX
2 5 (13.89%) OpenVPN
2 5 (13.89%) SAN
2 5 (13.89%) VPN
3 4 (11.11%) HTTP
4 3 (8.33%) IPv4
5 1 (2.78%) BGP
5 1 (2.78%) iSCSI
5 1 (2.78%) Network Security
5 1 (2.78%) SMPP
5 1 (2.78%) VLAN
5 1 (2.78%) VoIP
Database & Business Intelligence
1 21 (58.33%) PostgreSQL
2 14 (38.89%) NoSQL
3 12 (33.33%) MongoDB
4 9 (25.00%) Hadoop
5 8 (22.22%) Riak
5 8 (22.22%) SQL Server
6 7 (19.44%) MySQL
7 6 (16.67%) Big Data
8 3 (8.33%) Redis
8 3 (8.33%) Relational Database
9 2 (5.56%) Apache Hive
9 2 (5.56%) MariaDB
9 2 (5.56%) Neo4j
9 2 (5.56%) RDBMS
10 1 (2.78%) DataStax
10 1 (2.78%) Hazelcast
10 1 (2.78%) SQL Server 2008
Development Applications
1 25 (69.44%) Jenkins
2 20 (55.56%) Maven
3 12 (33.33%) JUnit
4 9 (25.00%) Git (software)
5 5 (13.89%) Ant
5 5 (13.89%) Sonatype Nexus
6 3 (8.33%) Bugzilla
6 3 (8.33%) JIRA
6 3 (8.33%) Selenium
6 3 (8.33%) Subversion
6 3 (8.33%) Trac
General
1 5 (13.89%) Telecoms
2 4 (11.11%) Finance
2 4 (11.11%) Retail
3 1 (2.78%) Banking
3 1 (2.78%) Billing
Job Titles
1 30 (83.33%) Developer
2 22 (61.11%) Java Developer
3 9 (25.00%) UI Developer
3 9 (25.00%) Web UI Developer
4 5 (13.89%) Linux Developer
4 5 (13.89%) Senior Developer
4 5 (13.89%) Senior Java Developer
5 4 (11.11%) Administrator
5 4 (11.11%) Big Data Developer
5 4 (11.11%) Senior Systems Administrator
5 4 (11.11%) Systems Administrator
6 3 (8.33%) Angular Developer
6 3 (8.33%) Open Source Developer
7 2 (5.56%) Analyst
7 2 (5.56%) Analyst Developer
7 2 (5.56%) Analyst Programmer
7 2 (5.56%) Hadoop Developer
7 2 (5.56%) Java Software Developer
7 2 (5.56%) Programmer
7 2 (5.56%) Systems Engineer
Libraries, Frameworks & Software Standards
1 18 (50.00%) RabbitMQ
2 17 (47.22%) HTML
2 17 (47.22%) JSON
2 17 (47.22%) REST
3 16 (44.44%) AngularJS
3 16 (44.44%) WebSockets
4 14 (38.89%) CSS
5 13 (36.11%) Node.js
6 12 (33.33%) D3.js
7 10 (27.78%) Kafka
8 5 (13.89%) Elastic Stack
8 5 (13.89%) RESTful
8 5 (13.89%) Spring
8 5 (13.89%) Web Services
8 5 (13.89%) XML
9 3 (8.33%) Hibernate
9 3 (8.33%) J2EE
9 3 (8.33%) Twitter Bootstrap
10 2 (5.56%) Spring Cloud
10 2 (5.56%) Struts
Miscellaneous
1 17 (47.22%) Computer Science
2 12 (33.33%) Analytical Skills
3 6 (16.67%) Data Centre
4 5 (13.89%) Public Cloud
5 3 (8.33%) PKI
6 2 (5.56%) Mobile App
7 1 (2.78%) Clustering
7 1 (2.78%) Enterprise Software
7 1 (2.78%) Management Information System
7 1 (2.78%) Replication
7 1 (2.78%) Smartphone
Operating Systems
1 31 (86.11%) Linux
2 19 (52.78%) Windows
3 6 (16.67%) Windows Server
3 6 (16.67%) Windows Server 2008
3 6 (16.67%) Windows Server 2012
4 5 (13.89%) CentOS
4 5 (13.89%) Unix
5 3 (8.33%) Red Hat Enterprise Linux
6 1 (2.78%) Android
6 1 (2.78%) Apple iOS
6 1 (2.78%) Ubuntu
Processes & Methodologies
1 19 (52.78%) TDD
2 18 (50.00%) Unit Testing
3 15 (41.67%) OO
4 12 (33.33%) Agile Software Development
4 12 (33.33%) Software Engineering
5 10 (27.78%) High Availability
6 9 (25.00%) Scrum
7 6 (16.67%) Configuration Management
8 5 (13.89%) Business Continuity
8 5 (13.89%) Continuous Improvement
8 5 (13.89%) Disaster Recovery
8 5 (13.89%) Microservices
8 5 (13.89%) Secure Coding
9 4 (11.11%) SOA
10 3 (8.33%) Customer Requirements
10 3 (8.33%) MapReduce
10 3 (8.33%) MVC
10 3 (8.33%) Open Source Development
10 3 (8.33%) Test Automation
10 3 (8.33%) User Stories
Programming Languages
1 28 (77.78%) Java
2 19 (52.78%) Python
3 18 (50.00%) JavaScript
4 16 (44.44%) Bash Shell
5 5 (13.89%) SQL
6 2 (5.56%) Perl
6 2 (5.56%) PHP
6 2 (5.56%) Pig Latin
6 2 (5.56%) Scala
Qualifications
1 17 (47.22%) Degree
2 3 (8.33%) SC Cleared
2 3 (8.33%) Security Cleared
Quality Assurance & Compliance
1 1 (2.78%) ISO 9001
1 1 (2.78%) ISO/IEC 27001
1 1 (2.78%) PCI DSS
System Software
1 17 (47.22%) Apache ZooKeeper
2 8 (22.22%) Docker
3 5 (13.89%) Hyper-V
3 5 (13.89%) Varnish
4 3 (8.33%) HDFS
4 3 (8.33%) KVM
4 3 (8.33%) VirtualBox
4 3 (8.33%) VMware Infrastructure
Systems Management
1 8 (22.22%) Kibana
2 6 (16.67%) Puppet
3 5 (13.89%) HAProxy
3 5 (13.89%) logstash
3 5 (13.89%) ZABBIX
4 3 (8.33%) Ambari
4 3 (8.33%) Hadoop YARN
5 1 (2.78%) Ansible
5 1 (2.78%) vMotion
5 1 (2.78%) WSUS
Vendors
1 16 (44.44%) VMware
2 6 (16.67%) HP
3 5 (13.89%) Cisco
3 5 (13.89%) Dell
3 5 (13.89%) New Relic
4 3 (8.33%) Red Hat
5 2 (5.56%) Microsoft
5 2 (5.56%) Oracle
6 1 (2.78%) Apigee
6 1 (2.78%) Barracuda Networks
6 1 (2.78%) Juniper