The following table provides summary statistics for contract job vacancies advertised in Canary Wharf 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 27 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
London / Canary Wharf
3 months to
27 Jun 2017
Same period 2016 Same period 2015
Rank 23 24 -
Rank change year-on-year +1 -  
Contract jobs citing Apache Cassandra 1 1 0
As % of all contract IT jobs advertised in Canary Wharf 0.88% 0.81% -
As % of the Database & Business Intelligence category 3.23% 2.94% -
Number of daily rates quoted 1 0 0
Median daily rate £750 - -
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 Canary Wharf with a requirement for database and business intelligence skills.

Contract Database & Business Intelligence Skills
Canary Wharf
Contract job vacancies with a requirement for database and business intelligence skills 31 34 45
As % of all contract IT job vacancies advertised in Canary Wharf 27.43% 27.42% 26.32%
Number of daily rates quoted 26 24 31
Median daily rate £650 £425 £475
Median daily rate % change year-on-year +52.94% -10.52%  
90% offered a daily rate of more than £475 £300 £300
10% offered a daily rate of more than £750 £600 £525
UK excluding London median daily rate £400 £383 £350
% change year-on-year +4.57% +9.28%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £38.00 £31.14 £26.00
% change year-on-year +22.04% +19.75%  

Apache Cassandra
Job Vacancy Trend in Canary Wharf

The job posting trend of jobs advertised in Canary Wharf 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 Canary Wharf

Apache Cassandra
Contractor Daily Rate Trend in Canary Wharf

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

Contractor daily rate trend for Apache Cassandra in Canary Wharf

For the 6 months to 27 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 Canary Wharf region with a requirement for Apache Cassandra.

1 3 (100.00%) Java
1 3 (100.00%) Banking
2 2 (66.67%) Enterprise Architecture
2 2 (66.67%) Degree
2 2 (66.67%) JSON
2 2 (66.67%) Open Source
2 2 (66.67%) PaaS
2 2 (66.67%) MongoDB
2 2 (66.67%) NoSQL
2 2 (66.67%) Apple iOS
2 2 (66.67%) REST
2 2 (66.67%) Big Data
2 2 (66.67%) AngularJS
2 2 (66.67%) JavaScript
2 2 (66.67%) SQL
2 2 (66.67%) Oracle
2 2 (66.67%) CSS
2 2 (66.67%) SOAP
2 2 (66.67%) XML
2 2 (66.67%) Linux
2 2 (66.67%) JBoss
2 2 (66.67%) Data Mining
2 2 (66.67%) Finance
2 2 (66.67%) Stakeholder Management
2 2 (66.67%) HTML
2 2 (66.67%) Agile Software Development
2 2 (66.67%) Computer Science
2 2 (66.67%) Android Development
2 2 (66.67%) iOS Development
2 2 (66.67%) DevOps

Apache Cassandra
Co-occurring 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 2 (66.67%) JBoss
2 1 (33.33%) DataSynapse
2 1 (33.33%) Oracle Coherence
Cloud Services
1 2 (66.67%) PaaS
Database & Business Intelligence
1 2 (66.67%) Big Data
1 2 (66.67%) Data Mining
1 2 (66.67%) MongoDB
1 2 (66.67%) NoSQL
2 1 (33.33%) Hazelcast
2 1 (33.33%) Infinispan
General
1 3 (100.00%) Banking
2 2 (66.67%) Finance
3 1 (33.33%) Investment Banking
Job Titles
1 2 (66.67%) Architect
1 2 (66.67%) Java Architect
1 2 (66.67%) Platform Architect
2 1 (33.33%) Developer
2 1 (33.33%) Investment Banking Java Developer
2 1 (33.33%) Java Developer
2 1 (33.33%) Java Scala Developer
2 1 (33.33%) Scala Developer
Libraries, Frameworks & Software Standards
1 2 (66.67%) AngularJS
1 2 (66.67%) CSS
1 2 (66.67%) HTML
1 2 (66.67%) JSON
1 2 (66.67%) REST
1 2 (66.67%) SOAP
1 2 (66.67%) XML
2 1 (33.33%) Akka
2 1 (33.33%) Middleware
Miscellaneous
1 2 (66.67%) Computer Science
2 1 (33.33%) Data Structures
2 1 (33.33%) Derivative
2 1 (33.33%) Fixed Income
2 1 (33.33%) Grid Computing
Operating Systems
1 2 (66.67%) Android
1 2 (66.67%) Apple iOS
1 2 (66.67%) Linux
Processes & Methodologies
1 2 (66.67%) Agile Software Development
1 2 (66.67%) Android Development
1 2 (66.67%) API Development
1 2 (66.67%) DevOps
1 2 (66.67%) Enterprise Architecture
1 2 (66.67%) iOS Development
1 2 (66.67%) Open Source
1 2 (66.67%) Stakeholder Management
1 2 (66.67%) Test Automation
2 1 (33.33%) Continuous Integration
2 1 (33.33%) Multithreaded Programming
2 1 (33.33%) Multithreading
2 1 (33.33%) Risk Management
2 1 (33.33%) Unit Testing
Programming Languages
1 3 (100.00%) Java
2 2 (66.67%) JavaScript
2 2 (66.67%) SQL
3 1 (33.33%) Scala
Qualifications
1 2 (66.67%) Degree
System Software
1 1 (33.33%) Platform Symphony
Vendors
1 2 (66.67%) Oracle