The following table provides summary statistics for contract job vacancies advertised in Buckinghamshire 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 22 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 / Buckinghamshire
3 months to
22 Jun 2017
Same period 2016 Same period 2015
Rank 60 65 -
Rank change year-on-year +5 -  
Contract jobs citing Apache Cassandra 28 9 0
As % of all contract IT jobs advertised in Buckinghamshire 2.76% 0.94% -
As % of the Database & Business Intelligence category 12.84% 3.73% -
Number of daily rates quoted 5 2 0
Median daily rate £410 £425 -
Median daily rate % change year-on-year -3.52% -  
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 Buckinghamshire with a requirement for database and business intelligence skills.

Contract Database & Business Intelligence Skills
Buckinghamshire
Contract job vacancies with a requirement for database and business intelligence skills 218 241 296
As % of all contract IT job vacancies advertised in Buckinghamshire 21.50% 25.16% 24.14%
Number of daily rates quoted 81 110 139
Median daily rate £400 £375 £350
Median daily rate % change year-on-year +6.66% +7.14%  
90% offered a daily rate of more than £292 £300 £262
10% offered a daily rate of more than £468 £500 £475
UK excluding London median daily rate £400 £388 £351
% change year-on-year +3.22% +10.55%  
Number of hourly rates quoted 3 0 9
Median hourly rate £19.00 - £26.00
UK excluding London median hourly rate £38.00 £31.27 £26.75
% change year-on-year +21.52% +16.89%  

Apache Cassandra
Job Vacancy Trend in Buckinghamshire

The job posting trend of jobs advertised in Buckinghamshire 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 Buckinghamshire

Apache Cassandra
Contractor Daily Rate Trend in Buckinghamshire

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

Contractor daily rate trend for Apache Cassandra in Buckinghamshire

Apache Cassandra
Contractor Daily Rate Histogram in Buckinghamshire

The daily rate distribution of IT jobs citing Apache Cassandra in Buckinghamshire over the 3 months to 22 June 2017.

Contractor daily rate histogram for Apache Cassandra in Buckinghamshire

Apache Cassandra
Contract Job Locations in Buckinghamshire

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 Buckinghamshire region over the 3 months to 22 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
Milton Keynes +4 21 £405 -4.70%
Apache Cassandra
South East

For the 6 months to 22 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 Buckinghamshire region with a requirement for Apache Cassandra.

1 25 (71.43%) Python
1 25 (71.43%) MongoDB
2 21 (60.00%) Linux
3 19 (54.29%) Agile Software Development
4 16 (45.71%) Finance
5 15 (42.86%) Ansible
6 14 (40.00%) Java
6 14 (40.00%) Perl
7 11 (31.43%) Redis
7 11 (31.43%) Big Data
7 11 (31.43%) GitLab
8 9 (25.71%) OpenShift
8 9 (25.71%) Hadoop
8 9 (25.71%) MySQL
8 9 (25.71%) Banking
9 8 (22.86%) PostgreSQL
9 8 (22.86%) Oracle
9 8 (22.86%) IBM
9 8 (22.86%) Project Management
9 8 (22.86%) Cloudera
9 8 (22.86%) MapReduce
9 8 (22.86%) Apache Hive
9 8 (22.86%) HDFS
9 8 (22.86%) Apache Pig
9 8 (22.86%) HBase
9 8 (22.86%) Apache Spark
9 8 (22.86%) Hadoop YARN
9 8 (22.86%) Impala
9 8 (22.86%) Spark Streaming
10 7 (20.00%) Sqoop

Apache Cassandra
Co-occurring IT Skills in Buckinghamshire 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 8 (22.86%) Apache Pig
1 8 (22.86%) Apache Spark
2 1 (2.86%) OpenStack
Cloud Services
1 9 (25.71%) OpenShift
Communications & Networking
1 2 (5.71%) Internet
1 2 (5.71%) Intranet
Database & Business Intelligence
1 25 (71.43%) MongoDB
2 11 (31.43%) Big Data
2 11 (31.43%) Redis
3 9 (25.71%) Hadoop
3 9 (25.71%) MySQL
4 8 (22.86%) Apache Hive
4 8 (22.86%) HBase
4 8 (22.86%) Impala
4 8 (22.86%) PostgreSQL
5 7 (20.00%) DB2
5 7 (20.00%) DB2 UDB
5 7 (20.00%) Sqoop
6 6 (17.14%) NoSQL
6 6 (17.14%) SQL Server
7 3 (8.57%) Couchbase
8 1 (2.86%) NuoDB
Development Applications
1 11 (31.43%) GitLab
2 4 (11.43%) Git (software)
3 2 (5.71%) Jenkins
3 2 (5.71%) JIRA
General
1 16 (45.71%) Finance
2 9 (25.71%) Banking
Job Titles
1 14 (40.00%) Developer
2 6 (17.14%) Big Data Developer
3 5 (14.29%) DBA
3 5 (14.29%) Java Developer
4 4 (11.43%) Agile Developer
4 4 (11.43%) Platform Engineer
5 3 (8.57%) Database Engineer
5 3 (8.57%) DB2 DBA
5 3 (8.57%) Linux Engineer
5 3 (8.57%) Linux Scripter
5 3 (8.57%) Python Developer
6 2 (5.71%) Administrator
6 2 (5.71%) Agile Java Developer
6 2 (5.71%) Automation Engineer
6 2 (5.71%) Cassandra Developer
6 2 (5.71%) DevOps Engineer
6 2 (5.71%) Django Developer
6 2 (5.71%) Linux DevOps Engineer
6 2 (5.71%) Linux/Unix DevOps
6 2 (5.71%) Python/Django Developer
Libraries, Frameworks & Software Standards
1 8 (22.86%) Spark Streaming
2 6 (17.14%) YAML
3 3 (8.57%) Django
Miscellaneous
1 7 (20.00%) DataPower
Operating Systems
1 21 (60.00%) Linux
2 1 (2.86%) Unix
2 1 (2.86%) Windows
Processes & Methodologies
1 19 (54.29%) Agile Software Development
2 8 (22.86%) MapReduce
2 8 (22.86%) Project Management
3 6 (17.14%) Continuous Integration
3 6 (17.14%) Data Architecture
3 6 (17.14%) ETL
3 6 (17.14%) Performance Monitoring
3 6 (17.14%) Performance Tuning
3 6 (17.14%) Scrum
3 6 (17.14%) Task Automation
4 4 (11.43%) Capacity Management
4 4 (11.43%) CRM
4 4 (11.43%) Security Management
5 3 (8.57%) DevOps
5 3 (8.57%) Functional Programming
5 3 (8.57%) Microservices
5 3 (8.57%) OO
6 2 (5.71%) Data Modelling
7 1 (2.86%) Continuous Improvement
7 1 (2.86%) Waterfall
Programming Languages
1 25 (71.43%) Python
2 14 (40.00%) Java
2 14 (40.00%) Perl
3 7 (20.00%) Scala
3 7 (20.00%) Shell Script
4 4 (11.43%) SQL
5 3 (8.57%) Bash Shell
6 2 (5.71%) PowerShell
7 1 (2.86%) Korn
Qualifications
1 2 (5.71%) Degree
System Software
1 8 (22.86%) HDFS
2 7 (20.00%) Apache Flume
Systems Management
1 15 (42.86%) Ansible
2 8 (22.86%) Hadoop YARN
3 2 (5.71%) Oozie
Vendors
1 8 (22.86%) Cloudera
1 8 (22.86%) IBM
1 8 (22.86%) Oracle
2 6 (17.14%) WSO2
3 4 (11.43%) Pega