The following table provides summary statistics for contract job vacancies advertised in the East of England with a requirement for Apache Cassandra skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Apache Cassandra over the 3 months to 25 June 2017 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Apache Cassandra
England / East of England
3 months to
25 Jun 2017
Same period 2016 Same period 2015
Rank 118 - 137
Rank change year-on-year - 0  
Contract jobs citing Apache Cassandra 14 0 12
As % of all contract IT jobs advertised in the East of England 0.61% - 0.39%
As % of the Database & Business Intelligence category 3.15% - 1.64%
Number of daily rates quoted 7 0 0
Median daily rate £550 - -
UK excluding London median daily rate £475 £425 £525
% change year-on-year +11.76% -19.04%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - £55.00 -

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 contract job vacancies advertised in the East of England with a requirement for database and business intelligence skills.

Contract Database & Business Intelligence Skills
East of England
Contract job vacancies with a requirement for database and business intelligence skills 444 525 731
As % of all contract IT job vacancies advertised in the East of England 19.30% 21.05% 23.99%
Number of daily rates quoted 242 309 408
Median daily rate £400 £400 £355
Median daily rate % change year-on-year - +12.67%  
90% offered a daily rate of more than £300 £250 £250
10% offered a daily rate of more than £525 £500 £500
UK excluding London median daily rate £400 £383 £350
% change year-on-year +4.57% +9.28%  
Number of hourly rates quoted 10 22 23
Median hourly rate £17.50 £34.50 £23.50
Median hourly rate % change year-on-year -49.27% +46.80%  
90% offered a hourly rate of more than £15.00 £26.20 £19.00
10% offered a hourly rate of more than £34.75 £40.00 £45.20
UK excluding London median hourly rate £38.00 £30.50 £26.00
% change year-on-year +24.59% +17.30%  

Apache Cassandra
Job Vacancy Trend in the East of England

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

Job vacancy trend for Apache Cassandra in the East of England

Apache Cassandra
Contractor Daily Rate Trend in the East of England

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Apache Cassandra in the East of England.

Contractor daily rate trend for Apache Cassandra in the East of England

Apache Cassandra
Contract Job Locations in the East of England

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Apache Cassandra within the East of England region over the 3 months to 25 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
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Bedfordshire - 4 £525 -
Hertfordshire - 4 £550 -
Essex - 3 £550 -
Norfolk - 3 - -
Apache Cassandra
England

For the 6 months to 25 June 2017, IT contractor 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 contract ads across the East of England region with a requirement for Apache Cassandra.

1 14 (66.67%) Agile Software Development
1 14 (66.67%) Big Data
2 13 (61.90%) Java
2 13 (61.90%) Linux
3 12 (57.14%) Spring
4 11 (52.38%) Open Source
4 11 (52.38%) NoSQL
5 10 (47.62%) DevOps
5 10 (47.62%) Unix
6 9 (42.86%) OO
6 9 (42.86%) TDD
6 9 (42.86%) Mentoring
6 9 (42.86%) Service Design
7 8 (38.10%) MongoDB
8 7 (33.33%) Opscode Chef
8 7 (33.33%) Hadoop
8 7 (33.33%) Puppet
8 7 (33.33%) Python
8 7 (33.33%) Client/Server
9 6 (28.57%) SQL
9 6 (28.57%) MySQL
9 6 (28.57%) Apache Spark
9 6 (28.57%) MapReduce
9 6 (28.57%) Kafka
10 5 (23.81%) SQL Server
11 4 (19.05%) Oracle
11 4 (19.05%) Business Intelligence
11 4 (19.05%) Analytics
11 4 (19.05%) HBase
11 4 (19.05%) Ansible

Apache Cassandra
Co-occurring IT Skills in the East of 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 6 (28.57%) Apache Spark
2 3 (14.29%) Apache
2 3 (14.29%) Apache Pig
2 3 (14.29%) Apache Solr
2 3 (14.29%) Tomcat
3 2 (9.52%) Elasticsearch
4 1 (4.76%) OpenStack
Applications
1 1 (4.76%) GNU Octave
Cloud Services
1 3 (14.29%) Amazon AWS
1 3 (14.29%) OpenShift
Database & Business Intelligence
1 14 (66.67%) Big Data
2 11 (52.38%) NoSQL
3 8 (38.10%) MongoDB
4 7 (33.33%) Hadoop
5 6 (28.57%) MySQL
6 5 (23.81%) SQL Server
7 4 (19.05%) HBase
8 3 (14.29%) Apache Hive
8 3 (14.29%) Data Warehouse
8 3 (14.29%) PostgreSQL
8 3 (14.29%) Sqoop
9 2 (9.52%) Apache Zeppelin
9 2 (9.52%) DB2
9 2 (9.52%) DB2 UDB
9 2 (9.52%) Redis
10 1 (4.76%) NuoDB
10 1 (4.76%) RavenDB
10 1 (4.76%) RDBMS
10 1 (4.76%) Relational Database
Development Applications
1 3 (14.29%) Eclipse
1 3 (14.29%) GitLab
General
1 3 (14.29%) Finance
2 1 (4.76%) Banking
2 1 (4.76%) Spanish Language
Job Titles
1 9 (42.86%) Developer
1 9 (42.86%) Java Developer
2 7 (33.33%) Senior Developer
2 7 (33.33%) Senior Java Developer
3 3 (14.29%) Administrator
3 3 (14.29%) AWS Developer
3 3 (14.29%) AWS DevOps
3 3 (14.29%) Big Data Engineer
3 3 (14.29%) Data Engineer
3 3 (14.29%) DBA
3 3 (14.29%) DevOps Developer
3 3 (14.29%) Technical Leader
4 2 (9.52%) AWS Engineer
4 2 (9.52%) Hadoop Engineer
4 2 (9.52%) Senior DevOps
5 1 (4.76%) Architect
5 1 (4.76%) Data Architect
5 1 (4.76%) Elasticsearch Engineer
5 1 (4.76%) Linux Scripter
5 1 (4.76%) Platform Engineer
Libraries, Frameworks & Software Standards
1 12 (57.14%) Spring
2 6 (28.57%) Kafka
3 3 (14.29%) Spark Streaming
3 3 (14.29%) Spring MVC
4 1 (4.76%) NumPy
4 1 (4.76%) SciPy
4 1 (4.76%) YAML
Miscellaneous
1 7 (33.33%) Client/Server
2 1 (4.76%) Analytical Skills
2 1 (4.76%) Clustering
2 1 (4.76%) Data Centre
2 1 (4.76%) DataPower
Operating Systems
1 13 (61.90%) Linux
2 10 (47.62%) Unix
3 2 (9.52%) Windows
Processes & Methodologies
1 14 (66.67%) Agile Software Development
2 11 (52.38%) Open Source
3 10 (47.62%) DevOps
4 9 (42.86%) Mentoring
4 9 (42.86%) OO
4 9 (42.86%) Service Design
4 9 (42.86%) TDD
5 6 (28.57%) MapReduce
6 4 (19.05%) Analytics
6 4 (19.05%) Business Intelligence
7 3 (14.29%) Coaching
7 3 (14.29%) Data Integration
7 3 (14.29%) Data Security
7 3 (14.29%) ETL
7 3 (14.29%) MVC
7 3 (14.29%) Software Engineering
7 3 (14.29%) Workflow
8 2 (9.52%) Performance Tuning
8 2 (9.52%) Project Management
9 1 (4.76%) Logistic Regression
Programming Languages
1 13 (61.90%) Java
2 7 (33.33%) Python
3 6 (28.57%) SQL
4 3 (14.29%) Bash Shell
4 3 (14.29%) Perl
4 3 (14.29%) Scala
5 2 (9.52%) PowerShell
5 2 (9.52%) Shell Script
6 1 (4.76%) Korn
6 1 (4.76%) MATLAB
6 1 (4.76%) R
Qualifications
1 1 (4.76%) Degree
System Software
1 3 (14.29%) Apache Flume
1 3 (14.29%) HDFS
Systems Management
1 7 (33.33%) Opscode Chef
1 7 (33.33%) Puppet
2 4 (19.05%) Ansible
3 3 (14.29%) Hadoop YARN
4 1 (4.76%) Kibana
Vendors
1 4 (19.05%) Oracle
2 2 (9.52%) IBM
3 1 (4.76%) Microsoft
3 1 (4.76%) SAP
3 1 (4.76%) Teradata
3 1 (4.76%) WSO2