Period
to 19 November 2017

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 6 months to 19 November 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
Tower Hamlets > Canary Wharf
6 months to
19 Nov 2017
Same period 2016 Same period 2015
Rank 36 36 -
Rank change year-on-year 0 - -
Contract jobs citing Apache Cassandra 10 4 0
As % of all contract IT jobs advertised in Canary Wharf 3.68% 1.28% -
As % of the Database & Business Intelligence category 14.71% 5.33% -
Number of daily rates quoted 2 3 0
Canary Wharf median daily rate £675 £575 -
Median daily rate % change year-on-year +17.39% - -
Tower Hamlets median daily rate £675 £575 -
% change year-on-year +17.39% - -
Number of hourly rates quoted 0 0 0
Canary Wharf median hourly rate - - -
Tower Hamlets median hourly rate - - -

Apache Cassandra is in the Databases and Business Intelligence category. The following 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 or business intelligence skills.

All Database and Business Intelligence Skills
Canary Wharf
Contract vacancies with a requirement for database or business intelligence skills 68 75 94
As % of all contract IT jobs advertised in Canary Wharf 25.00% 23.96% 24.23%
Number of daily rates quoted 46 58 49
Canary Wharf median daily rate £575 £460 £475
Median daily rate % change year-on-year +25.00% -3.16% -
10th Percentile £397 £313 £386
90th Percentile £719 £625 £600
Tower Hamlets median daily rate £575 £470 £518
% change year-on-year +22.34% -9.18% +3.50%
Number of hourly rates quoted 0 0 0
Canary Wharf median hourly rate - - -
Tower Hamlets median hourly rate - - -

Apache Cassandra
Job Vacancy Trend in Canary Wharf

Job postings citing Apache Cassandra as a percentage of all IT jobs advertised in Canary Wharf.

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

Apache Cassandra
Contractor Daily Rate Histogram in Canary Wharf

The daily rate distribution of IT jobs citing Apache Cassandra in Canary Wharf over the 6 months to 19 November 2017.

Contractor daily rate histogram for Apache Cassandra in Canary Wharf

For the 6 months to 19 November 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 10 (100.00%) Java
2 9 (90.00%) Unix
2 9 (90.00%) Hibernate
2 9 (90.00%) Perl
2 9 (90.00%) Python
2 9 (90.00%) Data Warehouse
2 9 (90.00%) JMS
2 9 (90.00%) Finance
2 9 (90.00%) Lucene
2 9 (90.00%) Data Analysis
2 9 (90.00%) Spring
2 9 (90.00%) Continuous Integration
2 9 (90.00%) Open Source
2 9 (90.00%) Bash Shell
2 9 (90.00%) Apache Hive
2 9 (90.00%) MongoDB
2 9 (90.00%) NoSQL
2 9 (90.00%) R
2 9 (90.00%) Apache Solr
2 9 (90.00%) Scala
2 9 (90.00%) Hadoop
2 9 (90.00%) MapReduce
2 9 (90.00%) Riak
2 9 (90.00%) Big Data
2 9 (90.00%) Statistical Modelling
2 9 (90.00%) Kafka
2 9 (90.00%) MarkLogic
2 9 (90.00%) Apache Pig
2 9 (90.00%) Impala
2 9 (90.00%) Analytical Skills

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 9 (90.00%) Apache Pig
1 9 (90.00%) Apache Solr
1 9 (90.00%) Apache Spark
2 1 (10.00%) DataSynapse
2 1 (10.00%) Oracle Coherence
Cloud Services
1 8 (80.00%) Amazon AWS
1 8 (80.00%) Amazon EC2
1 8 (80.00%) Microsoft Azure
Database & Business Intelligence
1 9 (90.00%) Apache Hive
1 9 (90.00%) Big Data
1 9 (90.00%) Data Warehouse
1 9 (90.00%) Hadoop
1 9 (90.00%) Impala
1 9 (90.00%) MarkLogic
1 9 (90.00%) MongoDB
1 9 (90.00%) NoSQL
1 9 (90.00%) Riak
2 8 (80.00%) Blockchain
2 8 (80.00%) Data Mining
2 8 (80.00%) Relational Database
3 1 (10.00%) Hazelcast
3 1 (10.00%) Infinispan
General
1 9 (90.00%) Finance
2 8 (80.00%) Games
3 1 (10.00%) Banking
3 1 (10.00%) Investment Banking
Job Titles
1 10 (100.00%) Developer
2 9 (90.00%) Big Data Developer
3 2 (20.00%) Java Developer
4 1 (10.00%) Investment Banking Java Developer
4 1 (10.00%) Java Scala Developer
4 1 (10.00%) Scala Developer
4 1 (10.00%) Senior Big Data Developer
4 1 (10.00%) Senior Developer
4 1 (10.00%) Senior Java Developer
Libraries, Frameworks & Software Standards
1 9 (90.00%) Hibernate
1 9 (90.00%) JMS
1 9 (90.00%) Kafka
1 9 (90.00%) Lucene
1 9 (90.00%) Spring
2 8 (80.00%) Natural Language Processing
2 8 (80.00%) Play Framework
3 1 (10.00%) Akka
3 1 (10.00%) Middleware
Miscellaneous
1 9 (90.00%) Analytical Skills
2 8 (80.00%) Algorithms
2 8 (80.00%) Fintech
2 8 (80.00%) Replication
3 1 (10.00%) Data Structures
3 1 (10.00%) Derivative
3 1 (10.00%) Fixed Income
3 1 (10.00%) Grid Computing
Operating Systems
1 9 (90.00%) Unix
2 8 (80.00%) CentOS
2 8 (80.00%) Linux
2 8 (80.00%) Red Hat Enterprise Linux
Processes & Methodologies
1 9 (90.00%) Continuous Integration
1 9 (90.00%) Data Analysis
1 9 (90.00%) MapReduce
1 9 (90.00%) Open Source
1 9 (90.00%) Statistical Modelling
2 8 (80.00%) Data Visualisation
2 8 (80.00%) Disruptive Innovation
2 8 (80.00%) ETL
2 8 (80.00%) Information Retrieval
2 8 (80.00%) Machine Learning
2 8 (80.00%) Mathematical Modelling
2 8 (80.00%) Mathematics
2 8 (80.00%) Scrum
2 8 (80.00%) Software Engineering
2 8 (80.00%) Visualisation
3 1 (10.00%) Digital Transformation Programme
3 1 (10.00%) Multithreaded Programming
3 1 (10.00%) Multithreading
3 1 (10.00%) Risk Management
3 1 (10.00%) Unit Testing
Programming Languages
1 10 (100.00%) Java
2 9 (90.00%) Bash Shell
2 9 (90.00%) Perl
2 9 (90.00%) Python
2 9 (90.00%) R
2 9 (90.00%) Scala
3 8 (80.00%) C#
3 8 (80.00%) JavaScript
3 8 (80.00%) SQL
System Software
1 1 (10.00%) Platform Symphony
Systems Management
1 9 (90.00%) Hadoop YARN