The following table provides summary statistics for contract job vacancies advertised in Surrey 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 23 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
23 Mar 2017
Same period 2016 Same period 2015
Apache Cassandra
South East / Surrey
Rank 82 97 -
Rank change year-on-year +15 -  
Contract jobs citing Apache Cassandra 3 5 0
As % of all contract IT jobs advertised in Surrey 0.26% 0.39% -
As % of the Database & Business Intelligence category 0.89% 1.64% -
Number of daily rates quoted 2 3 0
Median daily rate £456 £600 -
Median daily rate % change year-on-year -23.95% -  
UK excluding London median daily rate £484 £550 £600
% change year-on-year -12.04% -8.33%  
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 Surrey with a requirement for database and business intelligence skills.

Contract Database & Business Intelligence Skills
Surrey
Contract job vacancies with a requirement for database and business intelligence skills 336 304 266
As % of all contract IT job vacancies advertised in Surrey 29.24% 23.84% 18.91%
Number of daily rates quoted 216 195 174
Median daily rate £425 £425 £375
Median daily rate % change year-on-year - +13.33%  
90% offered a daily rate of more than £330 £325 £275
10% offered a daily rate of more than £538 £552 £500
UK excluding London median daily rate £400 £388 £375
% change year-on-year +3.22% +3.33%  
Number of hourly rates quoted 1 13 6
Median hourly rate £16.00 £51.00 £40.00
Median hourly rate % change year-on-year -68.62% +27.50%  
UK excluding London median hourly rate £31.75 £32.50 £32.50
% change year-on-year -2.30% -  

Apache Cassandra
Job Vacancy Trend in Surrey

The job posting trend of jobs advertised in Surrey 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 Surrey

Apache Cassandra
Contractor Daily Rate Trend in Surrey

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

Contractor daily rate trend for Apache Cassandra in Surrey

Apache Cassandra
Contractor Daily Rate Histogram in Surrey

The daily rate distribution of IT jobs citing Apache Cassandra in Surrey over the 3 months to 23 March 2017.

Contractor daily rate histogram for Apache Cassandra in Surrey

Apache Cassandra
Contract Job Locations in Surrey

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 Surrey region over the 3 months to 23 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
Leatherhead - 2 £456 -
Apache Cassandra
South East

Apache Cassandra
Top 30 Related IT Skills in Surrey

For the 6 months to 23 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 Surrey region with a requirement for Apache Cassandra.

1 5 (71.43%) Java
1 5 (71.43%) Microsoft Azure
1 5 (71.43%) Amazon AWS
1 5 (71.43%) NoSQL
2 4 (57.14%) HBase
2 4 (57.14%) Big Data
2 4 (57.14%) Performance Tuning
2 4 (57.14%) SQL
2 4 (57.14%) SQL Server
3 3 (42.86%) MySQL
3 3 (42.86%) Oracle
3 3 (42.86%) C
3 3 (42.86%) C++
3 3 (42.86%) Unix
3 3 (42.86%) Linux
3 3 (42.86%) LAN
3 3 (42.86%) WAN
3 3 (42.86%) Cisco
3 3 (42.86%) Benchmarking
3 3 (42.86%) Configuration Management
3 3 (42.86%) Hadoop
3 3 (42.86%) Cloud Computing
3 3 (42.86%) Teradata
3 3 (42.86%) Oracle RAC
3 3 (42.86%) Grid Computing
3 3 (42.86%) High Availability
3 3 (42.86%) Oracle Exadata
3 3 (42.86%) Open Source
4 2 (28.57%) Bash Shell
4 2 (28.57%) Puppet

Apache Cassandra
Top Related IT Skills in Surrey 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 (28.57%) Apache
1 2 (28.57%) Apache Pig
1 2 (28.57%) Apache Solr
1 2 (28.57%) Apache Spark
2 1 (14.29%) Cloud Foundry
2 1 (14.29%) Elasticsearch
2 1 (14.29%) IIS
2 1 (14.29%) JBoss
2 1 (14.29%) NServiceBus
Applications
1 1 (14.29%) MS Excel
Cloud Services
1 5 (71.43%) Amazon AWS
1 5 (71.43%) Microsoft Azure
2 3 (42.86%) Cloud Computing
3 1 (14.29%) Heroku
3 1 (14.29%) PaaS
3 1 (14.29%) SaaS
Communications & Networking
1 3 (42.86%) LAN
1 3 (42.86%) WAN
2 2 (28.57%) Kerberos
Database & Business Intelligence
1 5 (71.43%) NoSQL
2 4 (57.14%) Big Data
2 4 (57.14%) HBase
2 4 (57.14%) SQL Server
3 3 (42.86%) Hadoop
3 3 (42.86%) MySQL
3 3 (42.86%) Oracle Exadata
4 2 (28.57%) Apache Hive
4 2 (28.57%) Apache Zeppelin
4 2 (28.57%) Redis
4 2 (28.57%) Sqoop
5 1 (14.29%) Apache Kudu
5 1 (14.29%) Couchbase
5 1 (14.29%) Data Lake
5 1 (14.29%) Event Store
5 1 (14.29%) Impala
5 1 (14.29%) MongoDB
5 1 (14.29%) RavenDB
5 1 (14.29%) Relational Database
5 1 (14.29%) VoltDB
Development Applications
1 1 (14.29%) JSUnit
1 1 (14.29%) Maven
1 1 (14.29%) TeamCity
General
1 2 (28.57%) Finance
Job Titles
1 3 (42.86%) Administrator
2 2 (28.57%) Data Administrator
2 2 (28.57%) Developer
2 2 (28.57%) Hadoop Administrator
3 1 (14.29%) .NET Developer
3 1 (14.29%) Angular Developer
3 1 (14.29%) Architect
3 1 (14.29%) AWS Engineer
3 1 (14.29%) Big Data Architect
3 1 (14.29%) C# Developer
3 1 (14.29%) Cloud Engineer
3 1 (14.29%) Data Architect
3 1 (14.29%) Database Developer
3 1 (14.29%) DevOps Engineer
3 1 (14.29%) Java Developer
3 1 (14.29%) Java Engineer
3 1 (14.29%) Linux Administrator
3 1 (14.29%) PL/SQL Developer
3 1 (14.29%) SQL Database Developer
3 1 (14.29%) SQL Developer
Libraries, Frameworks & Software Standards
1 2 (28.57%) Apache Tez
1 2 (28.57%) Kafka
1 2 (28.57%) Oracle GoldenGate
2 1 (14.29%) .NET
2 1 (14.29%) .NET Framework
2 1 (14.29%) AngularJS
2 1 (14.29%) ASP.NET Web API
2 1 (14.29%) CSS
2 1 (14.29%) Durandal
2 1 (14.29%) Entity Framework
2 1 (14.29%) Hibernate
2 1 (14.29%) HTML5
2 1 (14.29%) LESS
2 1 (14.29%) MSMQ
2 1 (14.29%) RabbitMQ
2 1 (14.29%) Reactive Extensions
2 1 (14.29%) REST
2 1 (14.29%) RxJS
2 1 (14.29%) Spring
2 1 (14.29%) WCF
Miscellaneous
1 3 (42.86%) Grid Computing
2 2 (28.57%) Clustering
3 1 (14.29%) Analytical Skills
3 1 (14.29%) Data Centre
3 1 (14.29%) Linux Command Line
3 1 (14.29%) User Experience
Operating Systems
1 3 (42.86%) Linux
1 3 (42.86%) Unix
2 1 (14.29%) Windows
2 1 (14.29%) Windows Server
2 1 (14.29%) Windows Server 2012
Processes & Methodologies
1 4 (57.14%) Performance Tuning
2 3 (42.86%) Benchmarking
2 3 (42.86%) Configuration Management
2 3 (42.86%) High Availability
2 3 (42.86%) Open Source
3 2 (28.57%) Analytics
3 2 (28.57%) DevOps
3 2 (28.57%) MapReduce
3 2 (28.57%) TDD
4 1 (14.29%) Business Intelligence
4 1 (14.29%) Data Architecture
4 1 (14.29%) Data Modelling
4 1 (14.29%) Domain-Driven Design
4 1 (14.29%) Infrastructure Management
4 1 (14.29%) MVC
4 1 (14.29%) SOA
4 1 (14.29%) Software Engineering
4 1 (14.29%) SOLID
4 1 (14.29%) Stakeholder Engagement
4 1 (14.29%) Unit Testing
Programming Languages
1 5 (71.43%) Java
2 4 (57.14%) SQL
3 3 (42.86%) C
3 3 (42.86%) C++
4 2 (28.57%) Bash Shell
5 1 (14.29%) C#
5 1 (14.29%) Go
5 1 (14.29%) JavaScript
5 1 (14.29%) Perl
5 1 (14.29%) PL/SQL
5 1 (14.29%) PowerShell
5 1 (14.29%) Python
5 1 (14.29%) Ruby
5 1 (14.29%) T-SQL
Qualifications
1 1 (14.29%) SC Cleared
1 1 (14.29%) Security Cleared
Quality Assurance & Compliance
1 1 (14.29%) Disclosure Scotland
System Software
1 3 (42.86%) Oracle RAC
2 2 (28.57%) Apache Flume
2 2 (28.57%) Apache ZooKeeper
2 2 (28.57%) Docker
2 2 (28.57%) HDFS
3 1 (14.29%) vSphere
Systems Management
1 2 (28.57%) Ambari
1 2 (28.57%) Ansible
1 2 (28.57%) Hadoop YARN
1 2 (28.57%) Oozie
1 2 (28.57%) Opscode Chef
1 2 (28.57%) Puppet
Vendors
1 3 (42.86%) Cisco
1 3 (42.86%) Oracle
1 3 (42.86%) Teradata
2 2 (28.57%) Hortonworks
3 1 (14.29%) Cloudera
3 1 (14.29%) Microsoft