The table below looks at the statistics for Apache Cassandra skills in IT contracts advertised for the Canary Wharf region. Included is a guide to the contractor rates offered in IT contracts that have cited Apache Cassandra over the 3 months to 24 January 2017 with a comparison to the same period over the previous 2 years.

Note that daily contractor rates and hourly contractor rates are treated separately. When calculating average contractor rates, daily rates are not derived from quoted hourly rates or vice versa.

3 months to
24 Jan 2017
Same period 2016 Same period 2015
Apache Cassandra
London / Canary Wharf
Rank 20 24 -
Rank change year-on-year
+4 -
Contract jobs citing Apache Cassandra 5 1 0
As % of all contract IT jobs located in Canary Wharf 4.00% 0.76% -
As % of the Database & Business Intelligence category 15.63% 3.33% -
Number of daily rates quoted 5 1 0
Median daily rate £575 £648 -
Median daily rate % change year-on-year
-11.26% -
UK excluding London median daily rate £525 £500 £475
% change year-on-year
+5.00% +5.26%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £22.50 - -

The following table is for comparison with the above and provides statistics for the entire Database & Business Intelligence category in contract jobs advertised in the Canary Wharf region.

Database & Business Intelligence Category
Canary Wharf
Contract IT job ads with a match in the
Database & Business Intelligence category
32 30 19
As % of all contract IT jobs located in Canary Wharf 25.60% 22.90% 17.76%
Number of daily rates quoted 22 23 12
Median daily rate £575 £468 £525
Median daily rate % change year-on-year
+22.99% -10.95%
90% offered a daily rate of more than £495 £425 £420
10% offered a daily rate of more than £600 £650 £673
UK excluding London median daily rate £400 £375 £363
% change year-on-year
+6.66% +3.44%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £38.00 £26.50 £32.50
% change year-on-year
+43.39% -18.46%

Apache Cassandra
Jobs Demand Trend in Canary Wharf

The demand trend of contract jobs across the Canary Wharf region citing Apache Cassandra as a proportion of all IT contracts with a match in the Database & Business Intelligence category.

Apache Cassandra Jobs Demand Trend in Canary Wharf

Apache Cassandra
Daily Rate Trend in Canary Wharf

This chart provides the 3-month moving average for daily rates quoted in IT contract jobs citing Apache Cassandra across the Canary Wharf region.

Apache Cassandra Daily Rate Trend in Canary Wharf

Apache Cassandra
Top 30 Related IT Skills in Canary Wharf

For the 6 months to 24 January 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 Canary Wharf region with a requirement for Apache Cassandra.

1 6 (100.00%) Java
2 5 (83.33%) Finance
2 5 (83.33%) Open Source
2 5 (83.33%) MongoDB
2 5 (83.33%) NoSQL
2 5 (83.33%) Big Data
3 4 (66.67%) Statistical Modelling
3 4 (66.67%) MapReduce
3 4 (66.67%) Riak
3 4 (66.67%) R
3 4 (66.67%) Apache Pig
3 4 (66.67%) Bash Shell
3 4 (66.67%) Apache Hive
3 4 (66.67%) Apache Solr
3 4 (66.67%) Hadoop
3 4 (66.67%) Python
3 4 (66.67%) Data Warehouse
3 4 (66.67%) Unix
3 4 (66.67%) Perl
3 4 (66.67%) Lucene
3 4 (66.67%) Data Analysis
3 4 (66.67%) Kafka
3 4 (66.67%) MarkLogic
3 4 (66.67%) Impala
3 4 (66.67%) Analytical Skills
3 4 (66.67%) Apache Spark
3 4 (66.67%) Hadoop YARN
4 3 (50.00%) Spring
4 3 (50.00%) JMS
4 3 (50.00%) Scala

Apache Cassandra
Top Related IT Skills in Canary Wharf 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 4 (66.67%) Apache Pig
1 4 (66.67%) Apache Solr
1 4 (66.67%) Apache Spark
2 1 (16.67%) JBoss
2 1 (16.67%) Oracle Coherence
Cloud Services
1 1 (16.67%) PaaS
Database & Business Intelligence
1 5 (83.33%) Big Data
1 5 (83.33%) MongoDB
1 5 (83.33%) NoSQL
2 4 (66.67%) Apache Hive
2 4 (66.67%) Data Warehouse
2 4 (66.67%) Hadoop
2 4 (66.67%) Impala
2 4 (66.67%) MarkLogic
2 4 (66.67%) Riak
3 1 (16.67%) Data Mining
3 1 (16.67%) Hazelcast
3 1 (16.67%) Infinispan
General
1 5 (83.33%) Finance
2 2 (33.33%) Banking
3 1 (16.67%) Investment Banking
Job Titles
1 3 (50.00%) Developer
1 3 (50.00%) Java Developer
1 3 (50.00%) Senior Developer
1 3 (50.00%) Senior Java Developer
2 2 (33.33%) Big Data Developer
2 2 (33.33%) Big Data Engineer
2 2 (33.33%) Senior Big Data Developer
3 1 (16.67%) Data Engineer
3 1 (16.67%) Investment Banking Java Developer
3 1 (16.67%) Java Architect
3 1 (16.67%) Java Engineer
3 1 (16.67%) Java Scala Developer
3 1 (16.67%) Platform Architect
3 1 (16.67%) Scala Developer
3 1 (16.67%) Senior Investment Banking Java Developer
3 1 (16.67%) Senior Java Engineer
3 1 (16.67%) Senior Java Scala Developer
3 1 (16.67%) Senior Java Software Engineer
3 1 (16.67%) Senior Scala Developer
3 1 (16.67%) Senior Software Engineer
Libraries, Frameworks & Software Standards
1 4 (66.67%) Kafka
1 4 (66.67%) Lucene
2 3 (50.00%) Hibernate
2 3 (50.00%) JMS
2 3 (50.00%) Spring
3 1 (16.67%) Akka
3 1 (16.67%) AngularJS
3 1 (16.67%) CSS
3 1 (16.67%) HTML
3 1 (16.67%) JSON
3 1 (16.67%) Middleware
3 1 (16.67%) REST
3 1 (16.67%) SOAP
3 1 (16.67%) XML
Miscellaneous
1 4 (66.67%) Analytical Skills
2 1 (16.67%) Computer Science
2 1 (16.67%) Data Structures
2 1 (16.67%) Derivative
2 1 (16.67%) Fixed Income
Operating Systems
1 4 (66.67%) Unix
2 1 (16.67%) Android
2 1 (16.67%) Apple iOS
2 1 (16.67%) Linux
Processes & Methodologies
1 5 (83.33%) Open Source
2 4 (66.67%) Data Analysis
2 4 (66.67%) MapReduce
2 4 (66.67%) Statistical Modelling
3 1 (16.67%) Agile Software Development
3 1 (16.67%) Android Development
3 1 (16.67%) API Development
3 1 (16.67%) Continuous Integration
3 1 (16.67%) DevOps
3 1 (16.67%) Enterprise Architecture
3 1 (16.67%) iOS Development
3 1 (16.67%) Multithreaded Programming
3 1 (16.67%) Multithreading
3 1 (16.67%) Risk Management
3 1 (16.67%) Software Engineering
3 1 (16.67%) Stakeholder Management
3 1 (16.67%) Test Automation
3 1 (16.67%) Unit Testing
Programming Languages
1 6 (100.00%) Java
2 4 (66.67%) Bash Shell
2 4 (66.67%) Perl
2 4 (66.67%) Python
2 4 (66.67%) R
3 3 (50.00%) Scala
4 1 (16.67%) JavaScript
4 1 (16.67%) SQL
Qualifications
1 1 (16.67%) Degree
System Software
1 1 (16.67%) Platform Symphony
Systems Management
1 4 (66.67%) Hadoop YARN
Vendors
1 1 (16.67%) DataSynapse
1 1 (16.67%) Oracle