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 26 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
South East / Surrey
3 months to
26 Jun 2017
Same period 2016 Same period 2015
Rank 85 91 85
Rank change year-on-year +6 -6  
Contract jobs citing Apache Cassandra 5 4 6
As % of all contract IT jobs advertised in Surrey 0.41% 0.32% 0.46%
As % of the Database & Business Intelligence category 1.63% 1.29% 1.91%
Number of daily rates quoted 4 1 5
Median daily rate £407 £425 £425
Median daily rate % change year-on-year -4.35% -  
90% offered a daily rate of more than £351 £425 £400
10% offered a daily rate of more than £463 £425 £438
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 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 306 310 314
As % of all contract IT job vacancies advertised in Surrey 24.86% 24.90% 24.06%
Number of daily rates quoted 218 210 189
Median daily rate £450 £425 £375
Median daily rate % change year-on-year +5.88% +13.33%  
90% offered a daily rate of more than £350 £325 £270
10% offered a daily rate of more than £525 £575 £500
UK excluding London median daily rate £400 £383 £350
% change year-on-year +4.57% +9.28%  
Number of hourly rates quoted 2 13 6
Median hourly rate £20.50 £40.00 £22.50
Median hourly rate % change year-on-year -48.75% +77.77%  
UK excluding London median hourly rate £38.00 £30.50 £26.00
% change year-on-year +24.59% +17.30%  

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
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 26 June 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
Reigate - 2 £351 -
Staines +9 1 - -
Apache Cassandra
South East

For the 6 months to 26 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 Surrey region with a requirement for Apache Cassandra.

1 6 (75.00%) TDD
1 6 (75.00%) NoSQL
2 5 (62.50%) Redis
3 4 (50.00%) Docker
3 4 (50.00%) DevOps
3 4 (50.00%) Amazon AWS
3 4 (50.00%) Agile Software Development
3 4 (50.00%) Java
4 3 (37.50%) Linux
4 3 (37.50%) MVC
4 3 (37.50%) Web Services
4 3 (37.50%) Hibernate
4 3 (37.50%) Spring
4 3 (37.50%) Maven
4 3 (37.50%) Ruby
4 3 (37.50%) Bash Shell
4 3 (37.50%) Puppet
4 3 (37.50%) Go
4 3 (37.50%) Ansible
5 2 (25.00%) Elasticsearch
5 2 (25.00%) Jenkins
5 2 (25.00%) Amazon DynamoDB
5 2 (25.00%) Emacs
5 2 (25.00%) Neo4j
5 2 (25.00%) GitHub
5 2 (25.00%) Microsoft Azure
5 2 (25.00%) zsh
5 2 (25.00%) logstash
5 2 (25.00%) Microservices
5 2 (25.00%) Kibana

Apache Cassandra
Co-occurring 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 (25.00%) Elasticsearch
2 1 (12.50%) Cloud Foundry
2 1 (12.50%) IIS
2 1 (12.50%) JBoss
2 1 (12.50%) NServiceBus
Cloud Services
1 4 (50.00%) Amazon AWS
2 2 (25.00%) Cloud Computing
2 2 (25.00%) GitHub
2 2 (25.00%) Microsoft Azure
3 1 (12.50%) Heroku
3 1 (12.50%) PaaS
3 1 (12.50%) SaaS
Communications & Networking
1 2 (25.00%) SSH
Database & Business Intelligence
1 6 (75.00%) NoSQL
2 5 (62.50%) Redis
3 2 (25.00%) Amazon DynamoDB
3 2 (25.00%) MongoDB
3 2 (25.00%) MySQL
3 2 (25.00%) Neo4j
4 1 (12.50%) Apache Kudu
4 1 (12.50%) Couchbase
4 1 (12.50%) CouchDB
4 1 (12.50%) Event Store
4 1 (12.50%) HBase
4 1 (12.50%) Impala
4 1 (12.50%) RavenDB
4 1 (12.50%) SQL Server
4 1 (12.50%) VoltDB
Development Applications
1 3 (37.50%) Maven
2 2 (25.00%) Emacs
2 2 (25.00%) Git (software)
2 2 (25.00%) Jenkins
2 2 (25.00%) JUnit
3 1 (12.50%) JSUnit
3 1 (12.50%) TeamCity
General
1 2 (25.00%) Finance
Job Titles
1 4 (50.00%) Developer
2 3 (37.50%) DevOps Engineer
2 3 (37.50%) Java Developer
3 2 (25.00%) Agile Developer
3 2 (25.00%) Agile Java Developer
3 2 (25.00%) AWS Developer
3 2 (25.00%) MySQL Developer
4 1 (12.50%) .NET Developer
4 1 (12.50%) ASP.NET MVC Developer
4 1 (12.50%) AWS DevOps
4 1 (12.50%) Azure DevOps
4 1 (12.50%) C# Developer
4 1 (12.50%) Database Developer
4 1 (12.50%) Java Engineer
4 1 (12.50%) Junior
4 1 (12.50%) Junior Software Engineer
4 1 (12.50%) PL/SQL Developer
4 1 (12.50%) Software Engineer
4 1 (12.50%) SQL Database Developer
4 1 (12.50%) SQL Developer
Libraries, Frameworks & Software Standards
1 3 (37.50%) Hibernate
1 3 (37.50%) Spring
1 3 (37.50%) Web Services
2 2 (25.00%) Elastic Stack
3 1 (12.50%) .NET
3 1 (12.50%) .NET Framework
3 1 (12.50%) AngularJS
3 1 (12.50%) ASP.NET Web API
3 1 (12.50%) CSS
3 1 (12.50%) Durandal
3 1 (12.50%) Entity Framework
3 1 (12.50%) HTML
3 1 (12.50%) LESS
3 1 (12.50%) MSMQ
3 1 (12.50%) RabbitMQ
3 1 (12.50%) Reactive Extensions
3 1 (12.50%) REST
3 1 (12.50%) RESTful
3 1 (12.50%) RxJS
3 1 (12.50%) WCF
Miscellaneous
1 2 (25.00%) Greenfield Project
1 2 (25.00%) Linux Command Line
2 1 (12.50%) Computer Science
2 1 (12.50%) Data Centre
2 1 (12.50%) User Experience
Operating Systems
1 3 (37.50%) Linux
2 1 (12.50%) Unix
2 1 (12.50%) Windows
2 1 (12.50%) Windows Server
2 1 (12.50%) Windows Server 2012
Processes & Methodologies
1 6 (75.00%) TDD
2 4 (50.00%) Agile Software Development
2 4 (50.00%) DevOps
3 3 (37.50%) MVC
4 2 (25.00%) Kanban
4 2 (25.00%) Microservices
4 2 (25.00%) Multithreaded Programming
4 2 (25.00%) Multithreading
4 2 (25.00%) Scrum
4 2 (25.00%) Software Engineering
5 1 (12.50%) Data Modelling
5 1 (12.50%) Domain-Driven Design
5 1 (12.50%) Infrastructure Management
5 1 (12.50%) Performance Tuning
5 1 (12.50%) SOA
5 1 (12.50%) SOLID
5 1 (12.50%) Unit Testing
Programming Languages
1 4 (50.00%) Java
2 3 (37.50%) Bash Shell
2 3 (37.50%) Go
2 3 (37.50%) Ruby
3 2 (25.00%) Perl
3 2 (25.00%) SQL
4 1 (12.50%) C#
4 1 (12.50%) JavaScript
4 1 (12.50%) PHP
4 1 (12.50%) PL/SQL
4 1 (12.50%) PowerShell
4 1 (12.50%) Python
4 1 (12.50%) T-SQL
Qualifications
1 1 (12.50%) Computer Science Degree
1 1 (12.50%) Degree
1 1 (12.50%) SC Cleared
1 1 (12.50%) Security Cleared
System Software
1 4 (50.00%) Docker
2 2 (25.00%) zsh
3 1 (12.50%) vSphere
Systems Management
1 3 (37.50%) Ansible
1 3 (37.50%) Puppet
2 2 (25.00%) Kibana
2 2 (25.00%) logstash
2 2 (25.00%) Terraform
3 1 (12.50%) Opscode Chef
Vendors
1 1 (12.50%) Cloudera
1 1 (12.50%) Microsoft