Period
to 21 November 2017

The following table provides summary statistics for contract job vacancies 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 21 November 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
UK
6 months to
21 Nov 2017
Same period 2016 Same period 2015
Rank 336 356 471
Rank change year-on-year +20 +115 +28
Contract jobs citing Apache Cassandra 737 686 472
As % of all contract IT jobs advertised in the UK 0.71% 0.66% 0.42%
As % of the Database & Business Intelligence category 3.23% 2.90% 1.79%
Number of daily rates quoted 565 500 370
UK median daily rate £550 £525 £525
Median daily rate % change year-on-year +4.76% - +5.00%
10th Percentile £388 £400 £399
90th Percentile £663 £650 £660
UK excluding London median daily rate £450 £500 £550
% change year-on-year -10.00% -9.09% +10.00%
Number of hourly rates quoted 0 2 0
UK median hourly rate - £38.75 -
UK excluding London median hourly rate - £38.75 -

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 with a requirement for database or business intelligence skills.

All Database and Business Intelligence Skills
UK
Contract vacancies with a requirement for database or business intelligence skills 22785 23660 26437
As % of all contract IT jobs advertised in the UK 22.09% 22.59% 23.28%
Number of daily rates quoted 15575 15682 17425
UK median daily rate £450 £425 £400
Median daily rate % change year-on-year +5.88% +6.25% +0.63%
10th Percentile £310 £285 £269
90th Percentile £625 £600 £575
UK excluding London median daily rate £400 £375 £375
% change year-on-year +6.67% - +7.14%
Number of hourly rates quoted 288 368 408
UK median hourly rate £31.23 £28.00 £28.50
Median hourly rate % change year-on-year +11.54% -1.75% +14.00%
10th Percentile £14.00 £10.00 £12.00
90th Percentile £57.44 £52.05 £52.47
UK excluding London median hourly rate £35.00 £28.00 £30.00
% change year-on-year +25.00% -6.67% +31.32%

Apache Cassandra
Job Vacancy Trend

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

Job vacancy trend for Apache Cassandra in the UK

Apache Cassandra
Contractor Daily Rate Trend

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

Contractor daily rate trend for Apache Cassandra in the UK

Apache Cassandra
Contractor Daily Rate Histogram

The daily rate distribution of IT jobs citing Apache Cassandra over the 6 months to 21 November 2017.

Contractor daily rate histogram for Apache Cassandra in the UK

Apache Cassandra
Contractor Hourly Rate Trend

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

Contractor hourly rate trend for Apache Cassandra in the UK

Apache Cassandra
Top 15 Contract Locations

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 UK over the 6 months to 21 November 2017. 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
England +22 718 £550 +4.76% 122
London +12 478 £569 +8.33% 86
UK excluding London +12 253 £450 -10.00% 39
North of England +41 84 £500 +11.11% 14
South East -17 61 £450 -18.00% 8
Yorkshire +44 56 £500 +12.68% 5
Midlands +35 49 £475 -9.52% 3
West Midlands +51 40 £475 -2.56% 1
East of England +12 29 £550 +4.76% 8
North West +3 23 £550 +22.22% 8
South West -10 16 £350 -26.32% 3
Scotland 0 12 £350 -22.22% 3
North East +58 11 £550 +10.00% 1
East Midlands -10 9 £450 -18.18% 2
Wales +4 2 £350 -30.00%

For the 6 months to 21 November 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 with a requirement for Apache Cassandra.

1 461 (62.55%) Java
2 412 (55.90%) Agile Software Development
3 401 (54.41%) NoSQL
4 344 (46.68%) MongoDB
5 258 (35.01%) Scala
6 257 (34.87%) Kafka
7 256 (34.74%) SQL
8 251 (34.06%) TDD
9 245 (33.24%) Python
10 232 (31.48%) Apache Spark
11 213 (28.90%) Microservices
11 213 (28.90%) Big Data
12 211 (28.63%) Linux
13 200 (27.14%) Amazon AWS
14 190 (25.78%) DevOps
15 189 (25.64%) Continuous Integration
16 187 (25.37%) Scrum
17 186 (25.24%) Hadoop
18 177 (24.02%) Docker
18 177 (24.02%) Jenkins
19 168 (22.80%) MySQL
20 162 (21.98%) Spring
21 149 (20.22%) Elasticsearch
22 143 (19.40%) BDD
23 142 (19.27%) Git (software)
24 141 (19.13%) RESTful
25 137 (18.59%) JavaScript
26 133 (18.05%) Open Source
27 132 (17.91%) Software Engineering
28 124 (16.82%) REST

Apache Cassandra
Co-occurring IT Skills 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
1 232 (31.48%) Apache Spark
2 149 (20.22%) Elasticsearch
3 88 (11.94%) Apache
4 47 (6.38%) Confluence
5 41 (5.56%) Apache Solr
6 32 (4.34%) Apache Pig
7 24 (3.26%) Tomcat
8 20 (2.71%) JBoss
9 14 (1.90%) Oracle SOA Suite
10 13 (1.76%) nginx
10 13 (1.76%) OpenStack
11 11 (1.49%) GlassFish
11 11 (1.49%) Jetty
11 11 (1.49%) WildFly
12 8 (1.09%) Apache Airflow
13 6 (0.81%) Oracle Coherence
14 5 (0.68%) Tornado
14 5 (0.68%) WebLogic
15 4 (0.54%) Cloud Foundry
16 3 (0.41%) MQSeries
Applications
1 5 (0.68%) Microsoft Excel
2 2 (0.27%) Microsoft Project
3 1 (0.14%) Adobe Illustrator
3 1 (0.14%) Photoshop
3 1 (0.14%) SPSS
Business Applications
1 2 (0.27%) Payment Gateway
2 1 (0.14%) BASE24
2 1 (0.14%) Primavera
Cloud Services
1 200 (27.14%) Amazon AWS
2 30 (4.07%) Microsoft Azure
3 27 (3.66%) Amazon S3
3 27 (3.66%) Slack
4 25 (3.39%) Amazon EMR
5 23 (3.12%) Amazon EC2
6 16 (2.17%) GitHub
6 16 (2.17%) Google Cloud Platform
7 15 (2.04%) AWS CloudFormation
8 12 (1.63%) Amazon Kinesis
9 11 (1.49%) Amazon SQS
9 11 (1.49%) SaaS
10 10 (1.36%) Google Play
11 8 (1.09%) PaaS
12 6 (0.81%) Route 53
13 4 (0.54%) Amazon Glacier
13 4 (0.54%) Cloud Computing
13 4 (0.54%) IaaS
13 4 (0.54%) Twilio
14 3 (0.41%) Amazon CloudWatch
Communications & Networking
1 57 (7.73%) HTTP
2 19 (2.58%) TCP/IP
3 17 (2.31%) Internet
4 12 (1.63%) Firewall
5 7 (0.95%) DNS
5 7 (0.95%) HTTPS
5 7 (0.95%) LDAP
6 6 (0.81%) AMQP
6 6 (0.81%) LAN
6 6 (0.81%) SSL
6 6 (0.81%) WAN
7 3 (0.41%) Intranet
8 2 (0.27%) Network Security
8 2 (0.27%) ZigBee
9 1 (0.14%) DHCP
9 1 (0.14%) IPv6
9 1 (0.14%) Kerberos
9 1 (0.14%) SSH
9 1 (0.14%) VLAN
9 1 (0.14%) VPN
Database & Business Intelligence
1 401 (54.41%) NoSQL
2 344 (46.68%) MongoDB
3 213 (28.90%) Big Data
4 186 (25.24%) Hadoop
5 168 (22.80%) MySQL
6 117 (15.88%) PostgreSQL
7 75 (10.18%) HBase
8 74 (10.04%) Apache Hive
9 62 (8.41%) Relational Database
10 50 (6.78%) SQL Server
11 43 (5.83%) Amazon DynamoDB
12 37 (5.02%) Impala
13 30 (4.07%) Redis
14 29 (3.93%) Data Warehouse
15 28 (3.80%) Flink
16 27 (3.66%) Couchbase
17 22 (2.99%) DB2
18 21 (2.85%) Oracle Database
19 19 (2.58%) Neo4j
19 19 (2.58%) Riak
Development Applications
1 177 (24.02%) Jenkins
2 142 (19.27%) Git (software)
3 68 (9.23%) JUnit
4 66 (8.96%) JIRA
5 59 (8.01%) Maven
6 55 (7.46%) Cucumber
7 54 (7.33%) Mockito
8 30 (4.07%) Hudson
9 28 (3.80%) Jasmine
9 28 (3.80%) Selenium
10 23 (3.12%) SonarQube
11 22 (2.99%) Gradle
12 19 (2.58%) Bitbucket
13 17 (2.31%) JMeter
14 16 (2.17%) JBehave
15 15 (2.04%) TeamCity
16 13 (1.76%) Subversion
17 11 (1.49%) NUnit
17 11 (1.49%) Vagrant
18 10 (1.36%) Atlassian Bamboo
General
1 114 (15.47%) Finance
2 79 (10.72%) Banking
3 30 (4.07%) Games
4 15 (2.04%) Publishing
5 11 (1.49%) Advertising
5 11 (1.49%) Front Office
5 11 (1.49%) Investment Banking
6 9 (1.22%) Telecoms
7 8 (1.09%) Marketing
8 7 (0.95%) Retail
9 3 (0.41%) Electronics
9 3 (0.41%) Manufacturing
9 3 (0.41%) Retail Banking
10 2 (0.27%) Financial Institution
10 2 (0.27%) International Banking
10 2 (0.27%) Law
10 2 (0.27%) Legal
10 2 (0.27%) Private Banking
10 2 (0.27%) Spanish Language
11 1 (0.14%) Billing
Job Titles
1 352 (47.76%) Developer
2 160 (21.71%) Java Developer
3 92 (12.48%) Scala Developer
4 73 (9.91%) Architect
4 73 (9.91%) Senior Developer
5 69 (9.36%) Data Engineer
6 61 (8.28%) DevOps Engineer
7 50 (6.78%) Big Data Developer
8 46 (6.24%) Big Data Engineer
9 41 (5.56%) Software Engineer
10 40 (5.43%) AWS Engineer
11 33 (4.48%) Agile Developer
11 33 (4.48%) Java Scala Developer
12 30 (4.07%) Agile Java Developer
12 30 (4.07%) Java Engineer
12 30 (4.07%) Senior Java Developer
13 27 (3.66%) AWS DevOps
13 27 (3.66%) Data Architect
14 26 (3.53%) Linux Engineer
15 25 (3.39%) DBA
Libraries, Frameworks & Software Standards
1 257 (34.87%) Kafka
2 162 (21.98%) Spring
3 141 (19.13%) RESTful
4 124 (16.82%) REST
5 108 (14.65%) Web Services
6 99 (13.43%) Node.js
7 89 (12.08%) HTML
8 88 (11.94%) Elastic Stack
9 83 (11.26%) Akka
10 71 (9.63%) Hibernate
11 68 (9.23%) CSS
12 66 (8.96%) HTML5
13 61 (8.28%) JSON
14 58 (7.87%) AngularJS
14 58 (7.87%) Spring Boot
15 55 (7.46%) Play Framework
16 48 (6.51%) RabbitMQ
17 44 (5.97%) React
18 42 (5.70%) JMS
18 42 (5.70%) Spark Streaming
Miscellaneous
1 56 (7.60%) Greenfield Project
2 45 (6.11%) Fintech
3 42 (5.70%) Analytical Skills
4 41 (5.56%) Algorithms
5 32 (4.34%) User Experience
6 29 (3.93%) Data Structures
7 28 (3.80%) Mobile App
8 26 (3.53%) Computer Science
9 22 (2.99%) Replication
10 19 (2.58%) Clustering
11 14 (1.90%) Management Information System
12 10 (1.36%) Blog
13 9 (1.22%) Foreign Exchange (FX)
14 8 (1.09%) Data Centre
14 8 (1.09%) Fixed Income
15 7 (0.95%) Derivative
15 7 (0.95%) Linux Command Line
15 7 (0.95%) Video on Demand
16 6 (0.81%) Credit Risk
16 6 (0.81%) Market Risk
Operating Systems
1 211 (28.63%) Linux
2 122 (16.55%) Unix
3 53 (7.19%) Red Hat Enterprise Linux
4 31 (4.21%) Android
4 31 (4.21%) Apple iOS
5 30 (4.07%) Windows
6 29 (3.93%) CentOS
7 15 (2.04%) Mac OS X
8 9 (1.22%) Windows Server
9 6 (0.81%) CoreOS
9 6 (0.81%) Ubuntu
10 4 (0.54%) Fedora
11 2 (0.27%) Debian
12 1 (0.14%) Solaris
12 1 (0.14%) VMS
12 1 (0.14%) Windows Server 2008
12 1 (0.14%) Windows Server 2012
Processes & Methodologies
1 412 (55.90%) Agile Software Development
2 251 (34.06%) TDD
3 213 (28.90%) Microservices
4 190 (25.78%) DevOps
5 189 (25.64%) Continuous Integration
6 187 (25.37%) Scrum
7 143 (19.40%) BDD
8 133 (18.05%) Open Source
9 132 (17.91%) Software Engineering
10 124 (16.82%) Kanban
11 87 (11.80%) Analytics
12 80 (10.85%) Test Automation
13 75 (10.18%) Machine Learning
13 75 (10.18%) Pair Programming
14 60 (8.14%) Continuous Delivery
14 60 (8.14%) Mentoring
15 59 (8.01%) Configuration Management
16 56 (7.60%) MapReduce
17 55 (7.46%) Coaching
18 54 (7.33%) High Availability
Programming Languages
1 461 (62.55%) Java
2 258 (35.01%) Scala
3 256 (34.74%) SQL
4 245 (33.24%) Python
5 137 (18.59%) JavaScript
6 79 (10.72%) Bash Shell
7 63 (8.55%) Ruby
8 46 (6.24%) Shell Script
9 41 (5.56%) C#
10 40 (5.43%) R
11 28 (3.80%) Groovy
12 22 (2.99%) GraphQL
13 21 (2.85%) Go
13 21 (2.85%) Objective-C
14 20 (2.71%) Perl
15 17 (2.31%) PHP
16 16 (2.17%) ES6
17 15 (2.04%) PL/SQL
18 12 (1.63%) Clojure
19 11 (1.49%) C++
Qualifications
1 57 (7.73%) Degree
2 22 (2.99%) Computer Science Degree
3 8 (1.09%) BPSS Clearance
3 8 (1.09%) Numerate Degree
4 7 (0.95%) MySQL Certification
5 5 (0.68%) Cisco Certification
5 5 (0.68%) CISM
5 5 (0.68%) CISSP
6 3 (0.41%) CCNA
6 3 (0.41%) CCSA
6 3 (0.41%) JNCIA
7 2 (0.27%) AWS Certification
7 2 (0.27%) CCDP
7 2 (0.27%) CCNP
7 2 (0.27%) Chartered Engineer
7 2 (0.27%) ITIL Certification
7 2 (0.27%) Master's Degree
8 1 (0.14%) CESG Certified Professional
8 1 (0.14%) Security Cleared
Quality Assurance & Compliance
1 23 (3.12%) QA
2 3 (0.41%) ISO/IEC 27001
2 3 (0.41%) PCI DSS
3 2 (0.27%) GCP
3 2 (0.27%) WCAG
4 1 (0.14%) COBIT
4 1 (0.14%) Data Quality
4 1 (0.14%) MiFID
4 1 (0.14%) SLA
System Software
1 177 (24.02%) Docker
2 55 (7.46%) HDFS
3 20 (2.71%) Apache ZooKeeper
4 19 (2.58%) Apache Flume
5 12 (1.63%) Xen
6 10 (1.36%) LXC
7 5 (0.68%) KVM
7 5 (0.68%) VMware Infrastructure
8 4 (0.54%) VirtualBox
8 4 (0.54%) vSphere
9 3 (0.41%) Active Directory
9 3 (0.41%) Platform Symphony
9 3 (0.41%) Virtual Machines
10 2 (0.27%) Firmware
10 2 (0.27%) Hyper-V
11 1 (0.14%) GridGain
11 1 (0.14%) Oracle RAC
11 1 (0.14%) Squid
11 1 (0.14%) VMware ESXi
11 1 (0.14%) zsh
Systems Management
1 84 (11.40%) Puppet
2 73 (9.91%) Kibana
2 73 (9.91%) Kubernetes
2 73 (9.91%) logstash
3 68 (9.23%) Ansible
4 54 (7.33%) Grafana
5 47 (6.38%) Opscode Chef
6 42 (5.70%) Terraform
7 19 (2.58%) Hadoop YARN
8 15 (2.04%) Prometheus
9 14 (1.90%) Mesos
10 11 (1.49%) Nagios
10 11 (1.49%) Packer
11 10 (1.36%) Oozie
11 10 (1.36%) Rancher
12 9 (1.22%) Galera Cluster
13 6 (0.81%) ZABBIX
14 5 (0.68%) Graphite
14 5 (0.68%) HP SiteScope
15 4 (0.54%) Salt
Vendors
1 107 (14.52%) Oracle
2 68 (9.23%) Splunk
3 55 (7.46%) AppDynamics
4 36 (4.88%) Red Hat
5 29 (3.93%) Cloudera
6 23 (3.12%) Microsoft
7 20 (2.71%) Google
8 17 (2.31%) Hortonworks
9 16 (2.17%) Teradata
10 14 (1.90%) Apple
10 14 (1.90%) IBM
11 11 (1.49%) MapR
12 10 (1.36%) Pega
12 10 (1.36%) VMware
13 9 (1.22%) Percona
13 9 (1.22%) SaltStack
14 7 (0.95%) SAP
14 7 (0.95%) Tableau
15 5 (0.68%) Genesys
15 5 (0.68%) Informatica