The following table provides summary statistics for contract job vacancies advertised in the North West 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 22 March 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.

3 months to
22 Mar 2017
Same period 2016 Same period 2015
Apache Cassandra
England / North West
Rank 123 147 118
Rank change year-on-year +24 -29  
Contract jobs citing Apache Cassandra 5 13 27
As % of all contract IT jobs advertised in the North West 0.20% 0.34% 0.78%
As % of the Database & Business Intelligence category 0.80% 1.61% 3.39%
Number of daily rates quoted 3 11 24
Median daily rate £388 £645 £650
Median daily rate % change year-on-year -39.92% -0.76%  
UK excluding London median daily rate £480 £550 £606
% change year-on-year -12.72% -9.27%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

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 North West with a requirement for database and business intelligence skills.

Contract Database & Business Intelligence Skills
North West
Contract job vacancies with a requirement for database and business intelligence skills 628 807 797
As % of all contract IT job vacancies advertised in the North West 24.55% 21.02% 22.90%
Number of daily rates quoted 412 512 462
Median daily rate £375 £375 £400
Median daily rate % change year-on-year - -6.25%  
90% offered a daily rate of more than £275 £250 £275
10% offered a daily rate of more than £525 £500 £613
UK excluding London median daily rate £395 £388 £375
% change year-on-year +1.93% +3.33%  
Number of hourly rates quoted 18 38 13
Median hourly rate £35.00 £35.00 £45.50
Median hourly rate % change year-on-year - -23.07%  
90% offered a hourly rate of more than £13.50 £17.00 £24.00
10% offered a hourly rate of more than £45.80 £57.75 £67.00
UK excluding London median hourly rate £30.25 £33.00 £32.50
% change year-on-year -8.33% +1.53%  

Apache Cassandra
Job Vacancy Trend in the North West

The job posting trend of jobs advertised in the North West 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 North West

Apache Cassandra
Contractor Daily Rate Trend in the North West

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

Contractor daily rate trend for Apache Cassandra in the North West

Apache Cassandra
Contract Job Locations in the North West

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 North West region over the 3 months to 22 March 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
Cheshire +26 4 £388 -4.32%
Manchester +12 1 - - 2
Apache Cassandra
England

Apache Cassandra
Top 30 Related IT Skills in the North West

For the 6 months to 22 March 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 North West region with a requirement for Apache Cassandra.

1 12 (54.55%) Java
2 11 (50.00%) Scala
3 10 (45.45%) Amazon AWS
4 9 (40.91%) MongoDB
4 9 (40.91%) JavaScript
5 8 (36.36%) Agile Software Development
5 8 (36.36%) Big Data
5 8 (36.36%) Analytics
5 8 (36.36%) Hadoop
6 7 (31.82%) MapR
6 7 (31.82%) NoSQL
6 7 (31.82%) REST
6 7 (31.82%) Linux
6 7 (31.82%) Amazon Redshift
6 7 (31.82%) Amazon Kinesis
6 7 (31.82%) Amazon QuickSight
7 6 (27.27%) MySQL
7 6 (27.27%) PostgreSQL
8 5 (22.73%) Red Hat
8 5 (22.73%) Scrum
8 5 (22.73%) Software Engineering
8 5 (22.73%) JUnit
8 5 (22.73%) Node.js
8 5 (22.73%) Jasmine
8 5 (22.73%) Red Hat Enterprise Linux
8 5 (22.73%) Git (software)
8 5 (22.73%) Kanban
8 5 (22.73%) Jenkins
9 4 (18.18%) Play Framework
9 4 (18.18%) SDLC

Apache Cassandra
Top Related IT Skills in the North West 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 3 (13.64%) Confluence
2 1 (4.55%) Jetty
2 1 (4.55%) nginx
2 1 (4.55%) Tomcat
Cloud Services
1 10 (45.45%) Amazon AWS
2 7 (31.82%) Amazon Kinesis
3 3 (13.64%) Slack
Communications & Networking
1 1 (4.55%) AMQP
Database & Business Intelligence
1 9 (40.91%) MongoDB
2 8 (36.36%) Big Data
2 8 (36.36%) Hadoop
3 7 (31.82%) Amazon QuickSight
3 7 (31.82%) Amazon Redshift
3 7 (31.82%) NoSQL
4 6 (27.27%) MySQL
4 6 (27.27%) PostgreSQL
5 3 (13.64%) Hazelcast
6 2 (9.09%) Data Warehouse
7 1 (4.55%) Relational Database
Development Applications
1 5 (22.73%) Git (software)
1 5 (22.73%) Jasmine
1 5 (22.73%) Jenkins
1 5 (22.73%) JUnit
2 3 (13.64%) Cucumber
2 3 (13.64%) JIRA
3 1 (4.55%) Team Foundation Server
Job Titles
1 11 (50.00%) Developer
2 6 (27.27%) Big Data Engineer
2 6 (27.27%) Data Engineer
3 5 (22.73%) Java Developer
4 4 (18.18%) Digital Developer
5 3 (13.64%) DevOps Engineer
5 3 (13.64%) JavaScript Developer
6 1 (4.55%) Agile Java Developer
6 1 (4.55%) Architect
6 1 (4.55%) Big Data Architect
6 1 (4.55%) Big Data Developer
6 1 (4.55%) Consultant
6 1 (4.55%) Data Architect
6 1 (4.55%) DevOps Consultant
6 1 (4.55%) Node.js Developer
6 1 (4.55%) Scala Developer
6 1 (4.55%) Senior Developer
6 1 (4.55%) Senior Java Developer
6 1 (4.55%) Senior JavaScript Developer
6 1 (4.55%) Solutions Architect
Libraries, Frameworks & Software Standards
1 7 (31.82%) REST
2 5 (22.73%) Node.js
3 4 (18.18%) Play Framework
3 4 (18.18%) Spring
3 4 (18.18%) Web Services
4 3 (13.64%) CSS
4 3 (13.64%) Hibernate
4 3 (13.64%) HTML
4 3 (13.64%) RESTful
5 1 (4.55%) Akka
5 1 (4.55%) AngularJS
5 1 (4.55%) JAX-RS
5 1 (4.55%) JMS
5 1 (4.55%) JSON
5 1 (4.55%) Spring Security
5 1 (4.55%) XML
Miscellaneous
1 1 (4.55%) Data Structures
Operating Systems
1 7 (31.82%) Linux
2 5 (22.73%) Red Hat Enterprise Linux
Processes & Methodologies
1 8 (36.36%) Agile Software Development
1 8 (36.36%) Analytics
2 5 (22.73%) Kanban
2 5 (22.73%) Scrum
2 5 (22.73%) Software Engineering
3 4 (18.18%) DevOps
3 4 (18.18%) E-Commerce
3 4 (18.18%) Open Source
3 4 (18.18%) SDLC
4 3 (13.64%) BDD
4 3 (13.64%) Functional Programming
4 3 (13.64%) TDD
5 2 (9.09%) Build Automation
6 1 (4.55%) Business Intelligence
6 1 (4.55%) Continuous Deployment
6 1 (4.55%) Data Analytics
6 1 (4.55%) Feasibility Study
6 1 (4.55%) Mentoring
6 1 (4.55%) MVC
6 1 (4.55%) Web Development
Programming Languages
1 12 (54.55%) Java
2 11 (50.00%) Scala
3 9 (40.91%) JavaScript
4 3 (13.64%) SQL
5 1 (4.55%) Clojure
Qualifications
1 1 (4.55%) BPSS Clearance
1 1 (4.55%) Security Cleared
Quality Assurance & Compliance
1 1 (4.55%) Disclosure Scotland
System Software
1 1 (4.55%) Apache ZooKeeper
Systems Management
1 2 (9.09%) Ansible
1 2 (9.09%) Opscode Chef
1 2 (9.09%) Puppet
2 1 (4.55%) Mesos
Vendors
1 7 (31.82%) MapR
2 5 (22.73%) Red Hat
3 1 (4.55%) Teradata