Period
to 20 February 2018

The following table provides summary statistics for contract job vacancies advertised in England 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 February 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
UK > England
6 months to
20 Feb 2018
Same period 2017 Same period 2016
Rank 349 315 343
Rank change year-on-year -34 +28 +190
Contract jobs citing Apache Cassandra 648 653 673
As % of all contract IT jobs advertised in England 0.70% 0.74% 0.68%
As % of the Database & Business Intelligence category 3.18% 3.30% 2.99%
Number of daily rates quoted 534 496 543
England median daily rate £525 £525 £525
10th Percentile £400 £405 £394
90th Percentile £645 £675 £655
UK median daily rate £525 £525 £525
Number of hourly rates quoted 0 1 3
England median hourly rate - £22.50 £50.00
Median hourly rate % change year-on-year - -55.00% -
UK median hourly rate - £22.50 £50.00
% change year-on-year - -55.00% -

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 England with a requirement for database or business intelligence skills.

All Database and Business Intelligence Skills
England
Contract vacancies with a requirement for database or business intelligence skills 20,346 19,758 22,523
As % of all contract IT jobs advertised in England 21.82% 22.37% 22.90%
Number of daily rates quoted 14,332 13,322 15,210
England median daily rate £475 £438 £425
Median daily rate % change year-on-year +8.57% +2.94% +6.25%
10th Percentile £313 £295 £278
90th Percentile £635 £613 £588
UK median daily rate £463 £425 £420
% change year-on-year +8.82% +1.19% +5.00%
Number of hourly rates quoted 228 254 368
England median hourly rate £35.00 £25.95 £27.12
Median hourly rate % change year-on-year +34.90% -4.33% -1.38%
10th Percentile £15.25 £9.25 £11.68
90th Percentile £57.88 £47.00 £52.50
UK median hourly rate £34.50 £26.50 £27.50
% change year-on-year +30.19% -3.64% -

Apache Cassandra
Job Vacancy Trend in England

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

Job vacancy trend for Apache Cassandra in England

Apache Cassandra
Contractor Daily Rate Trend in England

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

Contractor daily rate trend for Apache Cassandra in England

Apache Cassandra
Contractor Daily Rate Histogram in England

The daily rate distribution of IT jobs citing Apache Cassandra in England over the 6 months to 20 February 2018.

Contractor daily rate histogram for Apache Cassandra in England

Apache Cassandra
Contractor Hourly Rate Trend in England

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing Apache Cassandra in England.

Contractor hourly rate trend for Apache Cassandra in England

Apache Cassandra
Contract Job Locations in England

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 England region over the 6 months to 20 February 2018. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
London 0 469 £550 - 147
North of England +26 81 £463 +4.82% 27
Yorkshire +23 63 £475 +11.76% 14
South East -30 54 £400 -23.81% 19
Midlands -16 25 £475 -10.59% 14
West Midlands +13 22 £475 -9.52% 7
North West -1 14 £438 +0.57% 12
East of England -8 14 £500 -4.76% 10
North East +31 5 £550 +11.39% 1
South West +1 4 £400 -15.79% 3
East Midlands -13 3 £375 -31.82% 7
Apache Cassandra
UK

For the 6 months to 20 February 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 England region with a requirement for Apache Cassandra.

1 410 (63.27%) Java
2 408 (62.96%) NoSQL
3 397 (61.27%) Agile Software Development
4 306 (47.22%) MongoDB
5 258 (39.81%) Kafka
6 241 (37.19%) TDD
7 226 (34.88%) Python
7 226 (34.88%) Scala
8 215 (33.18%) Microservices
9 203 (31.33%) Apache Spark
9 203 (31.33%) Linux
10 202 (31.17%) SQL
11 192 (29.63%) Amazon AWS
12 190 (29.32%) DevOps
13 187 (28.86%) Jenkins
14 181 (27.93%) Big Data
15 178 (27.47%) Scrum
16 177 (27.31%) Docker
17 174 (26.85%) Hadoop
18 170 (26.23%) BDD
19 160 (24.69%) Git (software)
19 160 (24.69%) Continuous Integration
20 149 (22.99%) REST
21 139 (21.45%) JavaScript
22 138 (21.30%) RESTful
23 136 (20.99%) Spring
24 135 (20.83%) MySQL
25 131 (20.22%) Open Source
26 116 (17.90%) Kanban
26 116 (17.90%) PostgreSQL

Apache Cassandra
Co-occurring IT Skills in England 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
1 203 (31.33%) Apache Spark
2 113 (17.44%) Elasticsearch
3 103 (15.90%) Apache
4 72 (11.11%) Confluence
5 40 (6.17%) Apache Pig
6 34 (5.25%) Apache Solr
7 23 (3.55%) OpenStack
8 18 (2.78%) Tomcat
9 15 (2.31%) Jetty
9 15 (2.31%) MQSeries
10 12 (1.85%) IIS
11 10 (1.54%) nginx
12 9 (1.39%) JBoss
13 8 (1.23%) SAS
14 7 (1.08%) Mule
15 6 (0.93%) Apache Airflow
15 6 (0.93%) Mule ESB
15 6 (0.93%) WebLogic
16 4 (0.62%) Cloud Foundry
16 4 (0.62%) Tornado
Applications
1 8 (1.23%) Microsoft Excel
2 5 (0.77%) SPSS
3 4 (0.62%) Microsoft Office
3 4 (0.62%) MS Visio
4 1 (0.15%) Adobe Illustrator
4 1 (0.15%) Photoshop
Business Applications
1 2 (0.31%) Payment Gateway
2 1 (0.15%) Primavera
Cloud Services
1 192 (29.63%) Amazon AWS
2 64 (9.88%) Microsoft Azure
3 38 (5.86%) Slack
4 28 (4.32%) Amazon S3
5 20 (3.09%) AWS CloudFormation
6 18 (2.78%) PaaS
7 16 (2.47%) Amazon EC2
8 15 (2.31%) Amazon SQS
9 14 (2.16%) Google Cloud Platform
10 13 (2.01%) Amazon EMR
11 11 (1.70%) Amazon Kinesis
11 11 (1.70%) Google Play
12 10 (1.54%) GitHub
12 10 (1.54%) IaaS
13 9 (1.39%) Amazon CloudWatch
14 8 (1.23%) Route 53
14 8 (1.23%) Serverless
15 7 (1.08%) OpenShift
15 7 (1.08%) SaaS
16 6 (0.93%) Azure Data Factory
Communications & Networking
1 41 (6.33%) HTTP
2 38 (5.86%) TCP/IP
3 25 (3.86%) Internet
4 18 (2.78%) Firewall
5 17 (2.62%) Kerberos
6 16 (2.47%) SSL
7 8 (1.23%) SMS
8 4 (0.62%) AMQP
9 3 (0.46%) DNS
9 3 (0.46%) HTTPS
10 2 (0.31%) DHCP
10 2 (0.31%) Network Security
10 2 (0.31%) ZigBee
11 1 (0.15%) FTP
11 1 (0.15%) IPsec
11 1 (0.15%) IPv6
11 1 (0.15%) Multicast
11 1 (0.15%) VLAN
11 1 (0.15%) VPN
Database & Business Intelligence
1 408 (62.96%) NoSQL
2 306 (47.22%) MongoDB
3 181 (27.93%) Big Data
4 174 (26.85%) Hadoop
5 135 (20.83%) MySQL
6 116 (17.90%) PostgreSQL
7 101 (15.59%) HBase
8 98 (15.12%) Apache Hive
9 54 (8.33%) Relational Database
10 49 (7.56%) SQL Server
11 42 (6.48%) Amazon DynamoDB
12 38 (5.86%) Data Warehouse
12 38 (5.86%) Redis
13 31 (4.78%) Couchbase
14 27 (4.17%) Amazon Redshift
15 23 (3.55%) Impala
16 21 (3.24%) Neo4j
17 16 (2.47%) Sqoop
18 15 (2.31%) Flink
19 14 (2.16%) JanusGraph
Development Applications
1 187 (28.86%) Jenkins
2 160 (24.69%) Git (software)
3 79 (12.19%) Cucumber
4 75 (11.57%) JIRA
5 73 (11.27%) Maven
6 69 (10.65%) JUnit
7 59 (9.10%) Mockito
8 39 (6.02%) Jasmine
9 36 (5.56%) Gradle
10 28 (4.32%) TeamCity
11 23 (3.55%) Selenium
12 21 (3.24%) Subversion
12 21 (3.24%) Visual Studio
13 19 (2.93%) JMeter
14 16 (2.47%) SonarQube
15 15 (2.31%) Artifactory
16 13 (2.01%) Octopus Deploy
17 11 (1.70%) Bitbucket
17 11 (1.70%) Eclipse
17 11 (1.70%) Team Foundation Server
General
1 97 (14.97%) Finance
2 60 (9.26%) Banking
3 24 (3.70%) Games
4 20 (3.09%) Retail
5 17 (2.62%) Publishing
6 11 (1.70%) Marketing
6 11 (1.70%) Telecoms
7 7 (1.08%) Investment Banking
8 6 (0.93%) Front Office
8 6 (0.93%) Retail Banking
9 3 (0.46%) French Language
10 2 (0.31%) Manufacturing
11 1 (0.15%) Billing
11 1 (0.15%) Electronics
11 1 (0.15%) International Banking
11 1 (0.15%) Private Banking
Job Titles
1 286 (44.14%) Developer
2 144 (22.22%) Java Developer
3 77 (11.88%) DevOps Engineer
4 76 (11.73%) Scala Developer
5 61 (9.41%) Data Engineer
6 55 (8.49%) Senior Developer
7 53 (8.18%) Architect
8 44 (6.79%) Software Engineer
9 42 (6.48%) AWS Engineer
9 42 (6.48%) Big Data Engineer
10 37 (5.71%) AWS DevOps
11 36 (5.56%) AWS DevOps Engineer
12 33 (5.09%) Agile Developer
13 31 (4.78%) Agile Java Developer
14 26 (4.01%) Consultant
14 26 (4.01%) Java Engineer
14 26 (4.01%) Senior Java Developer
15 25 (3.86%) Big Data Developer
15 25 (3.86%) Linux Engineer
16 22 (3.40%) NoSQL Developer
Libraries, Frameworks & Software Standards
1 258 (39.81%) Kafka
2 149 (22.99%) REST
3 138 (21.30%) RESTful
4 136 (20.99%) Spring
5 100 (15.43%) Web Services
6 96 (14.81%) Node.js
7 79 (12.19%) Akka
8 70 (10.80%) Elastic Stack
9 65 (10.03%) HTML
10 58 (8.95%) HTML5
10 58 (8.95%) Spring Boot
11 56 (8.64%) CSS
12 53 (8.18%) Play Framework
12 53 (8.18%) RabbitMQ
13 51 (7.87%) React
14 50 (7.72%) Hibernate
15 45 (6.94%) AngularJS
16 41 (6.33%) JSON
17 36 (5.56%) JMS
18 35 (5.40%) SOAP
Miscellaneous
1 55 (8.49%) Greenfield Project
2 39 (6.02%) Algorithms
3 36 (5.56%) Analytical Skills
4 34 (5.25%) Fintech
5 33 (5.09%) Computer Science
6 22 (3.40%) User Experience
7 21 (3.24%) Mobile App
8 15 (2.31%) Video on Demand
9 14 (2.16%) Data Structures
10 11 (1.70%) Data Centre
10 11 (1.70%) Replication
11 7 (1.08%) Virtual Team
12 6 (0.93%) Management Information System
12 6 (0.93%) Online Games
13 5 (0.77%) Blog
13 5 (0.77%) Linux Command Line
13 5 (0.77%) Market Risk
14 4 (0.62%) Credit Risk
14 4 (0.62%) Internet of Things
14 4 (0.62%) Smartphone
Operating Systems
1 203 (31.33%) Linux
2 109 (16.82%) Unix
3 80 (12.35%) Red Hat Enterprise Linux
4 30 (4.63%) CentOS
4 30 (4.63%) Windows
5 25 (3.86%) Android
5 25 (3.86%) Apple iOS
6 4 (0.62%) CoreOS
6 4 (0.62%) Ubuntu
6 4 (0.62%) Windows Server
7 3 (0.46%) Fedora
7 3 (0.46%) Mac OS X
8 2 (0.31%) Debian
8 2 (0.31%) Windows Server 2008
9 1 (0.15%) VMS
9 1 (0.15%) Windows Server 2012
Processes & Methodologies
1 397 (61.27%) Agile Software Development
2 241 (37.19%) TDD
3 215 (33.18%) Microservices
4 190 (29.32%) DevOps
5 178 (27.47%) Scrum
6 170 (26.23%) BDD
7 160 (24.69%) Continuous Integration
8 131 (20.22%) Open Source
9 116 (17.90%) Kanban
10 102 (15.74%) Software Engineering
11 95 (14.66%) Test Automation
12 89 (13.73%) Machine Learning
13 85 (13.12%) Pair Programming
14 83 (12.81%) Analytics
15 61 (9.41%) Data Science
16 58 (8.95%) Continuous Delivery
16 58 (8.95%) High Availability
17 53 (8.18%) ETL
17 53 (8.18%) Mentoring
18 51 (7.87%) Domain-Driven Design
Programming Languages
1 410 (63.27%) Java
2 226 (34.88%) Python
2 226 (34.88%) Scala
3 202 (31.17%) SQL
4 139 (21.45%) JavaScript
5 66 (10.19%) Ruby
6 57 (8.80%) Bash Shell
7 45 (6.94%) R
8 44 (6.79%) C#
9 38 (5.86%) Groovy
10 29 (4.48%) ES6
11 28 (4.32%) Shell Script
12 17 (2.62%) Perl
13 15 (2.31%) Java 9
14 14 (2.16%) Objective-C
15 13 (2.01%) C++
15 13 (2.01%) Clojure
15 13 (2.01%) Go
15 13 (2.01%) GraphQL
16 11 (1.70%) PHP
Qualifications
1 52 (8.02%) Degree
2 23 (3.55%) Computer Science Degree
3 13 (2.01%) Numerate Degree
4 11 (1.70%) Master's Degree
5 7 (1.08%) BPSS Clearance
6 5 (0.77%) Security Cleared
7 4 (0.62%) AWS Certification
7 4 (0.62%) PhD
8 2 (0.31%) PRINCE2 Certification
8 2 (0.31%) SC Cleared
9 1 (0.15%) MySQL Certification
Quality Assurance & Compliance
1 24 (3.70%) QA
2 11 (1.70%) ISO/IEC 27001
3 9 (1.39%) ISO 9001
4 8 (1.23%) GDPR
5 3 (0.46%) GCP
5 3 (0.46%) PCI DSS
5 3 (0.46%) SLA
6 2 (0.31%) Data Quality
7 1 (0.15%) SEPA
7 1 (0.15%) WCAG
System Software
1 177 (27.31%) Docker
2 65 (10.03%) HDFS
3 58 (8.95%) Apache Flume
4 31 (4.78%) Apache ZooKeeper
5 17 (2.62%) Active Directory
6 13 (2.01%) VMware Infrastructure
7 5 (0.77%) LXC
8 3 (0.46%) Ceph
8 3 (0.46%) Virtual Machines
8 3 (0.46%) VirtualBox
9 2 (0.31%) Firmware
9 2 (0.31%) Hyper-V
9 2 (0.31%) Xen
10 1 (0.15%) etcd
10 1 (0.15%) GlusterFS
10 1 (0.15%) GridGain
Systems Management
1 91 (14.04%) Puppet
2 79 (12.19%) Kubernetes
3 59 (9.10%) Ansible
4 54 (8.33%) Grafana
5 53 (8.18%) Kibana
5 53 (8.18%) logstash
5 53 (8.18%) Opscode Chef
6 47 (7.25%) Terraform
7 32 (4.94%) Hadoop YARN
8 25 (3.86%) Oozie
9 20 (3.09%) Mesos
10 14 (2.16%) Ambari
10 14 (2.16%) Apache Slider
11 12 (1.85%) Packer
12 11 (1.70%) Nagios
13 10 (1.54%) Opsview
13 10 (1.54%) Prometheus
14 9 (1.39%) Rancher
14 9 (1.39%) Salt
15 7 (1.08%) Icinga
Vendors
1 70 (10.80%) Splunk
2 63 (9.72%) Oracle
3 59 (9.10%) AppDynamics
4 49 (7.56%) Red Hat
5 40 (6.17%) Hortonworks
5 40 (6.17%) Microsoft
6 24 (3.70%) MapR
7 22 (3.40%) Google
8 21 (3.24%) Cloudera
9 16 (2.47%) IBM
10 14 (2.16%) Talend
10 14 (2.16%) VMware
11 11 (1.70%) Apple
11 11 (1.70%) New Relic
12 10 (1.54%) Tableau
13 9 (1.39%) CA
13 9 (1.39%) SAP
13 9 (1.39%) Teradata
14 8 (1.23%) Alteryx
14 8 (1.23%) hybris