Period
to 20 November 2018

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 20 November 2018 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
20 Nov 2018
Same period 2017 Same period 2016
Rank 32 36 37
Rank change year-on-year +4 +1 -
Contract jobs citing Apache Cassandra 24 10 4
As % of all contract IT jobs advertised in Canary Wharf 7.45% 3.65% 1.29%
As % of the Database & Business Intelligence category 20.00% 14.49% 5.48%
Number of daily rates quoted 21 2 3
Canary Wharf median daily rate £600 £675 £575
Median daily rate % change year-on-year -11.11% +17.39% -
Tower Hamlets median daily rate £600 £675 £575
% change year-on-year -11.11% +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 120 69 73
As % of all contract IT jobs advertised in Canary Wharf 37.27% 25.18% 23.47%
Number of daily rates quoted 87 47 56
Canary Wharf median daily rate £575 £575 £450
Median daily rate % change year-on-year - +27.78% -5.26%
10th Percentile £400 £379 £313
90th Percentile £600 £715 £625
Tower Hamlets median daily rate £575 £575 £450
% change year-on-year - +27.78% -13.04%
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

For the 6 months to 20 November 2018, IT contractor jobs citing Apache Cassandra also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the Canary Wharf region with a requirement for Apache Cassandra.

1 24 (100.00%) Java
1 24 (100.00%) Scala
1 24 (100.00%) Amazon AWS
1 24 (100.00%) Git (software)
1 24 (100.00%) NoSQL
1 24 (100.00%) Play Framework
2 21 (87.50%) Docker
2 21 (87.50%) MongoDB
2 21 (87.50%) Couchbase
2 21 (87.50%) Jenkins
2 21 (87.50%) RESTful
2 21 (87.50%) BDD
2 21 (87.50%) REST
2 21 (87.50%) MQSeries
2 21 (87.50%) Spring MVC
2 21 (87.50%) Hibernate
2 21 (87.50%) Agile Software Development
2 21 (87.50%) TDD
2 21 (87.50%) Spring
2 21 (87.50%) Maven
2 21 (87.50%) MVC
2 21 (87.50%) JMS
2 21 (87.50%) Web Services
2 21 (87.50%) Spring Boot
2 21 (87.50%) Microservices
2 21 (87.50%) Java 9
2 21 (87.50%) Greenfield Project
2 21 (87.50%) Java 8
3 3 (12.50%) Problem-Solving
3 3 (12.50%) Data Science

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 21 (87.50%) MQSeries
2 3 (12.50%) Apache Solr
2 3 (12.50%) Apache Spark
2 3 (12.50%) Confluence
2 3 (12.50%) Elasticsearch
Cloud Services
1 24 (100.00%) Amazon AWS
2 3 (12.50%) Amazon S3
Communications & Networking
1 3 (12.50%) Kerberos
1 3 (12.50%) SSL
1 3 (12.50%) VPN
Database & Business Intelligence
1 24 (100.00%) NoSQL
2 21 (87.50%) Couchbase
2 21 (87.50%) MongoDB
3 3 (12.50%) Amazon Redshift
3 3 (12.50%) Apache Hive
3 3 (12.50%) Big Data
3 3 (12.50%) Data Lake
3 3 (12.50%) Data Mining
3 3 (12.50%) Data Warehouse
3 3 (12.50%) Hadoop
3 3 (12.50%) HBase
3 3 (12.50%) Parquet
3 3 (12.50%) Power BI
3 3 (12.50%) Relational Database
Development Applications
1 24 (100.00%) Git (software)
2 21 (87.50%) Jenkins
2 21 (87.50%) Maven
3 3 (12.50%) FishEye
3 3 (12.50%) JIRA
General
1 3 (12.50%) Finance
1 3 (12.50%) Games
Job Titles
1 24 (100.00%) Developer
2 21 (87.50%) AWS Developer
2 21 (87.50%) Java Developer
2 21 (87.50%) Java Team Leader
2 21 (87.50%) Lead Developer
2 21 (87.50%) Lead Java Developer
2 21 (87.50%) Team Leader
3 3 (12.50%) Big Data Developer
4 2 (8.33%) Hadoop Developer
Libraries, Frameworks & Software Standards
1 24 (100.00%) Play Framework
2 21 (87.50%) Hibernate
2 21 (87.50%) JMS
2 21 (87.50%) REST
2 21 (87.50%) RESTful
2 21 (87.50%) Spring
2 21 (87.50%) Spring Boot
2 21 (87.50%) Spring MVC
2 21 (87.50%) Web Services
3 3 (12.50%) HTML
3 3 (12.50%) HTML5
3 3 (12.50%) Kafka
3 3 (12.50%) Natural Language Processing
3 3 (12.50%) React
3 3 (12.50%) XML
Miscellaneous
1 21 (87.50%) Greenfield Project
2 3 (12.50%) Algorithms
2 3 (12.50%) Analytical Skills
2 3 (12.50%) Fintech
Operating Systems
1 3 (12.50%) Unix
Processes & Methodologies
1 21 (87.50%) Agile Software Development
1 21 (87.50%) BDD
1 21 (87.50%) Microservices
1 21 (87.50%) MVC
1 21 (87.50%) TDD
2 3 (12.50%) Business Intelligence
2 3 (12.50%) Continuous Integration
2 3 (12.50%) Data Analysis
2 3 (12.50%) Data Science
2 3 (12.50%) Data Visualisation
2 3 (12.50%) Disruptive Innovation
2 3 (12.50%) ETL
2 3 (12.50%) ETL Development
2 3 (12.50%) Exploratory Data Analysis
2 3 (12.50%) Machine Learning
2 3 (12.50%) Mathematical Modelling
2 3 (12.50%) Mathematics
2 3 (12.50%) Problem-Solving
2 3 (12.50%) Technical Architecture
2 3 (12.50%) Visualisation
Programming Languages
1 24 (100.00%) Java
1 24 (100.00%) Scala
2 21 (87.50%) Java 8
2 21 (87.50%) Java 9
3 3 (12.50%) Bash Shell
3 3 (12.50%) JavaScript
3 3 (12.50%) Perl
3 3 (12.50%) Python
3 3 (12.50%) R
3 3 (12.50%) SQL
System Software
1 21 (87.50%) Docker
2 3 (12.50%) HDFS
Systems Management
1 3 (12.50%) Ansible
1 3 (12.50%) Hadoop YARN
Vendors
1 3 (12.50%) Atlassian
1 3 (12.50%) Hortonworks
1 3 (12.50%) Tableau