Period
to 23 October 2019

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 23 October 2019 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
23 Oct 2019
Same period 2018 Same period 2017
Rank 441 304 349
Rank change year-on-year -137 +45 +37
Contract jobs citing Apache Cassandra 388 878 727
As % of all contract IT jobs advertised in the UK 0.46% 0.85% 0.73%
As % of the Database & Business Intelligence category 2.12% 3.75% 3.27%
Number of daily rates quoted 300 687 542
UK median daily rate £563 £525 £538
Median daily rate % change year-on-year +7.14% -2.33% +4.78%
10th Percentile £425 £375 £371
90th Percentile £713 £675 £650
UK excluding London median daily rate £475 £500 £450
% change year-on-year -5.00% +11.11% -5.26%
Number of hourly rates quoted 0 2 0
UK median hourly rate - £43.75 -
UK excluding London median hourly rate - £22.50 -

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 18,286 23,420 22,256
As % of all contract IT jobs advertised in the UK 21.59% 22.64% 22.21%
Number of daily rates quoted 12,470 16,339 15,064
UK median daily rate £475 £475 £450
Median daily rate % change year-on-year - +5.56% +5.88%
10th Percentile £325 £313 £308
90th Percentile £656 £638 £625
UK excluding London median daily rate £438 £425 £400
% change year-on-year +2.94% +6.25% +6.67%
Number of hourly rates quoted 258 227 277
UK median hourly rate £35.00 £30.00 £30.00
Median hourly rate % change year-on-year +16.67% - +1.69%
10th Percentile £12.59 £12.46 £13.71
90th Percentile £60.00 £56.55 £54.25
UK excluding London median hourly rate £31.50 £33.00 £33.00
% change year-on-year -4.55% - +15.79%

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 23 October 2019.

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 23 October 2019. 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 -131 376 £563 +4.65% 99
London -42 297 £575 - 58
UK excluding London -169 86 £475 -5.00% 44
North of England -15 37 £475 - 8
South East -84 25 £531 +3.61% 14
North West +6 19 £463 -2.63%
North East +22 12 £495 -1.00% 1
Scotland +8 9 £525 +40.00% 3
Midlands +14 7 £488 +25.81% 8
West Midlands +18 6 £500 - 5
Yorkshire -9 6 £438 -7.89% 7
South West -11 5 £413 -28.26% 3
East of England +14 3 £400 -5.88% 8
East Midlands +7 2 £650 +85.71% 3
Wales +25 1 £325 -40.91%

For the 6 months to 23 October 2019, 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 with a requirement for Apache Cassandra.

1 205 (52.84%) Java
2 202 (52.06%) NoSQL
3 169 (43.56%) MongoDB
4 167 (43.04%) Kafka
5 165 (42.53%) Python
6 155 (39.95%) Agile Software Development
6 155 (39.95%) AWS
7 138 (35.57%) Microservices
8 133 (34.28%) Docker
9 126 (32.47%) SQL
10 107 (27.58%) DevOps
11 106 (27.32%) Kubernetes
12 89 (22.94%) Hadoop
13 88 (22.68%) Apache Spark
14 87 (22.42%) TDD
15 83 (21.39%) Scala
16 81 (20.88%) Finance
17 78 (20.10%) JavaScript
18 75 (19.33%) Big Data
19 73 (18.81%) Linux
20 71 (18.30%) PostgreSQL
20 71 (18.30%) Ansible
21 70 (18.04%) MySQL
22 69 (17.78%) Software Engineering
23 68 (17.53%) Relational Database
23 68 (17.53%) REST
23 68 (17.53%) GCP
24 64 (16.49%) Spring
24 64 (16.49%) Google
25 63 (16.24%) Azure

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 88 (22.68%) Apache Spark
2 49 (12.63%) Apache
2 49 (12.63%) Elasticsearch
3 21 (5.41%) Apache Solr
4 15 (3.87%) Confluence
5 14 (3.61%) nginx
5 14 (3.61%) SAS
6 10 (2.58%) Apache Airflow
6 10 (2.58%) Apache Pig
6 10 (2.58%) Luigi
7 8 (2.06%) JBoss
8 7 (1.80%) Tomcat
9 6 (1.55%) OpenStack
10 4 (1.03%) Jetty
11 3 (0.77%) Oracle SOA Suite
12 2 (0.52%) CMS
13 1 (0.26%) Oracle Workflow
13 1 (0.26%) SharePoint
13 1 (0.26%) WebLogic
13 1 (0.26%) WebSphere
Applications
1 6 (1.55%) Weka
2 1 (0.26%) Microsoft Excel
2 1 (0.26%) SPSS
Business Applications
1 3 (0.77%) FINCAD Analytics
2 1 (0.26%) Dynamics CRM
2 1 (0.26%) SAP PP
2 1 (0.26%) SAP S/4HANA
Cloud Services
1 155 (39.95%) AWS
2 68 (17.53%) GCP
3 63 (16.24%) Azure
4 27 (6.96%) Amazon S3
5 22 (5.67%) Amazon Kinesis
6 14 (3.61%) Amazon EC2
7 13 (3.35%) Serverless
8 12 (3.09%) Amazon ELB
8 12 (3.09%) Route 53
8 12 (3.09%) Virtual Private Cloud
9 11 (2.84%) OpenShift
9 11 (2.84%) SaaS
10 10 (2.58%) Datadog
11 9 (2.32%) GitHub
12 7 (1.80%) Amazon ECS
13 6 (1.55%) Amazon SQS
13 6 (1.55%) AWS Lambda
13 6 (1.55%) Cloud Computing
13 6 (1.55%) Power Platform
14 5 (1.29%) PaaS
Communications & Networking
1 23 (5.93%) HTTP
2 7 (1.80%) TCP/IP
3 5 (1.29%) Internet
4 4 (1.03%) SSL
5 3 (0.77%) Kerberos
5 3 (0.77%) VPN
6 2 (0.52%) Multicast
6 2 (0.52%) SNMP
7 1 (0.26%) BGP
7 1 (0.26%) Broadband
7 1 (0.26%) DHCP
7 1 (0.26%) DNS
7 1 (0.26%) DOCSIS
7 1 (0.26%) Firewall
7 1 (0.26%) IPsec
7 1 (0.26%) iSCSI
7 1 (0.26%) MPLS
7 1 (0.26%) NAS
7 1 (0.26%) VLAN
7 1 (0.26%) VXLAN
Database & Business Intelligence
1 202 (52.06%) NoSQL
2 169 (43.56%) MongoDB
3 89 (22.94%) Hadoop
4 75 (19.33%) Big Data
5 71 (18.30%) PostgreSQL
6 70 (18.04%) MySQL
7 68 (17.53%) Relational Database
8 56 (14.43%) Redis
9 39 (10.05%) HBase
10 37 (9.54%) Amazon DynamoDB
11 35 (9.02%) RDBMS
12 30 (7.73%) Apache Hive
12 30 (7.73%) SQL Server
13 26 (6.70%) BigQuery
14 25 (6.44%) InfluxDB
15 22 (5.67%) Neo4j
16 16 (4.12%) Amazon Redshift
17 14 (3.61%) Data Lake
17 14 (3.61%) Parquet
18 13 (3.35%) CouchDB
Development Applications
1 56 (14.43%) Git (software)
2 53 (13.66%) Jenkins
3 28 (7.22%) JIRA
4 24 (6.19%) JUnit
5 17 (4.38%) Bitbucket
6 16 (4.12%) GitLab
6 16 (4.12%) Maven
7 15 (3.87%) Gradle
8 14 (3.61%) Visual Studio Team System
9 13 (3.35%) Mockito
9 13 (3.35%) SonarQube
10 11 (2.84%) CircleCI
11 9 (2.32%) Cucumber
12 8 (2.06%) TeamCity
13 7 (1.80%) Pylint
13 7 (1.80%) Sourcetree
13 7 (1.80%) Spock
14 6 (1.55%) Octopus Deploy
15 5 (1.29%) Jasmine
16 4 (1.03%) Selenium
General
1 81 (20.88%) Finance
2 57 (14.69%) Banking
3 14 (3.61%) Front Office
4 13 (3.35%) Advertising
4 13 (3.35%) Legal
5 12 (3.09%) Investment Banking
6 10 (2.58%) Games
7 4 (1.03%) Financial Institution
7 4 (1.03%) Public Sector
7 4 (1.03%) Retail
8 3 (0.77%) Prime Brokerage
9 2 (0.52%) German Language
9 2 (0.52%) Law
9 2 (0.52%) Marketing
9 2 (0.52%) Telecoms
10 1 (0.26%) Billing
10 1 (0.26%) Manufacturing
10 1 (0.26%) Police
Job Titles
1 154 (39.69%) Developer
2 96 (24.74%) Java Developer
3 58 (14.95%) Data Engineer
4 43 (11.08%) DevOps Engineer
5 35 (9.02%) Senior Developer
6 32 (8.25%) Python Engineer
7 27 (6.96%) Senior Java Developer
8 25 (6.44%) Full Stack Developer
9 21 (5.41%) Architect
10 18 (4.64%) Kubernetes Engineer
11 17 (4.38%) Agile Developer
12 16 (4.12%) Administrator
12 16 (4.12%) DBA
13 14 (3.61%) AWS Engineer
13 14 (3.61%) Senior Data Engineer
14 13 (3.35%) Software Engineer
15 12 (3.09%) Big Data Engineer
15 12 (3.09%) Java Developer - Fintech
15 12 (3.09%) Java Engineer
15 12 (3.09%) Python Developer
Libraries, Frameworks & Software Standards
1 167 (43.04%) Kafka
2 68 (17.53%) REST
3 64 (16.49%) Spring
4 54 (13.92%) Node.js
5 47 (12.11%) Web Services
6 45 (11.60%) React
7 44 (11.34%) RabbitMQ
8 42 (10.82%) RESTful
9 33 (8.51%) HTML
10 32 (8.25%) CSS
10 32 (8.25%) Spring Boot
11 31 (7.99%) JSON
12 30 (7.73%) AngularJS
13 27 (6.96%) Elastic Stack
13 27 (6.96%) HTML5
14 23 (5.93%) Akka
15 19 (4.90%) Swagger
16 17 (4.38%) CSS3
16 17 (4.38%) XML
17 15 (3.87%) Memcached
Miscellaneous
1 19 (4.90%) Data Structures
2 18 (4.64%) Greenfield Project
2 18 (4.64%) Self-Motivation
3 15 (3.87%) Algorithms
4 14 (3.61%) Analytical Skills
5 12 (3.09%) Cloud Native
5 12 (3.09%) Clustering
5 12 (3.09%) Public Cloud
6 11 (2.84%) Derivative
6 11 (2.84%) Enterprise Software
6 11 (2.84%) Hedge funds
6 11 (2.84%) Mobile App
6 11 (2.84%) User Experience
7 9 (2.32%) Wiki
8 8 (2.06%) Equities
8 8 (2.06%) Foreign Exchange (FX)
8 8 (2.06%) Management Information System
9 7 (1.80%) Fixed Income
10 6 (1.55%) Equity Risk
10 6 (1.55%) SWIFT
Operating Systems
1 73 (18.81%) Linux
2 23 (5.93%) Red Hat Enterprise Linux
3 16 (4.12%) CentOS
3 16 (4.12%) Unix
4 10 (2.58%) Android
4 10 (2.58%) Apple iOS
4 10 (2.58%) Windows
5 4 (1.03%) Ubuntu
Processes & Methodologies
1 155 (39.95%) Agile Software Development
2 138 (35.57%) Microservices
3 107 (27.58%) DevOps
4 87 (22.42%) TDD
5 69 (17.78%) Software Engineering
6 53 (13.66%) Continuous Integration
7 52 (13.40%) Analytics
8 51 (13.14%) Machine Learning
8 51 (13.14%) Scrum
9 46 (11.86%) Data Science
10 44 (11.34%) Test Automation
11 43 (11.08%) ETL
12 38 (9.79%) Migration
13 37 (9.54%) Fintech
13 37 (9.54%) Open Source
13 37 (9.54%) Problem-Solving
14 36 (9.28%) Continuous Delivery
15 34 (8.76%) Low Latency
16 33 (8.51%) Business Intelligence
16 33 (8.51%) Functional Programming
Programming Languages
1 205 (52.84%) Java
2 165 (42.53%) Python
3 126 (32.47%) SQL
4 83 (21.39%) Scala
5 78 (20.10%) JavaScript
6 50 (12.89%) Java 8
7 31 (7.99%) Bash Shell
8 26 (6.70%) R
9 21 (5.41%) Clojure
10 19 (4.90%) Kotlin
11 17 (4.38%) Go
12 15 (3.87%) Perl
13 14 (3.61%) C++
14 12 (3.09%) C#
14 12 (3.09%) MATLAB
15 11 (2.84%) ClojureScript
16 9 (2.32%) TypeScript
17 8 (2.06%) Shell Script
18 7 (1.80%) Groovy
18 7 (1.80%) Ruby
Qualifications
1 37 (9.54%) Degree
2 26 (6.70%) Security Cleared
3 22 (5.67%) SC Cleared
4 11 (2.84%) Computer Science Degree
5 10 (2.58%) Master's Degree
6 2 (0.52%) BPSS Clearance
7 1 (0.26%) AWS Certification
7 1 (0.26%) DBS Check
7 1 (0.26%) DV Cleared
7 1 (0.26%) MBA
7 1 (0.26%) MCSA
7 1 (0.26%) Microsoft Certification
7 1 (0.26%) MySQL Certification
7 1 (0.26%) Numerate Degree
7 1 (0.26%) OCP
7 1 (0.26%) Oracle Certification
7 1 (0.26%) PMI Certification
7 1 (0.26%) PMP
7 1 (0.26%) TOGAF Certification
Quality Assurance & Compliance
1 9 (2.32%) Data Quality
2 5 (1.29%) PSD2
3 2 (0.52%) QA
4 1 (0.26%) PCI DSS
System Software
1 133 (34.28%) Docker
2 14 (3.61%) Apache ZooKeeper
3 12 (3.09%) Apache Flume
4 8 (2.06%) HDFS
5 4 (1.03%) KVM
5 4 (1.03%) VMware Infrastructure
6 3 (0.77%) oVirt
7 1 (0.26%) BIND 9
7 1 (0.26%) Corosync
7 1 (0.26%) NFS
7 1 (0.26%) Postfix
7 1 (0.26%) Varnish
Systems Management
1 106 (27.32%) Kubernetes
2 71 (18.30%) Ansible
3 44 (11.34%) Terraform
4 43 (11.08%) Puppet
5 27 (6.96%) Opscode Chef
6 22 (5.67%) Grafana
7 18 (4.64%) Kibana
7 18 (4.64%) linkerd
8 17 (4.38%) Consul
9 13 (3.35%) Graphite
10 12 (3.09%) logstash
10 12 (3.09%) Rancher
10 12 (3.09%) ZABBIX
11 7 (1.80%) Hadoop YARN
11 7 (1.80%) Oozie
12 6 (1.55%) Istio
12 6 (1.55%) Prometheus
13 5 (1.29%) Packer
14 3 (0.77%) Pingdom
15 2 (0.52%) Salt
Vendors
1 64 (16.49%) Google
2 46 (11.86%) Oracle
3 37 (9.54%) Microsoft
4 16 (4.12%) Splunk
5 12 (3.09%) Greenplum
6 11 (2.84%) Sybase
7 10 (2.58%) SaltStack
7 10 (2.58%) Teradata
8 9 (2.32%) Red Hat
8 9 (2.32%) ServiceNow
9 8 (2.06%) Cloudera
9 8 (2.06%) DataFlux
9 8 (2.06%) Hyperion
10 7 (1.80%) VMware
11 6 (1.55%) hybris
12 4 (1.03%) Facebook
12 4 (1.03%) IBM
12 4 (1.03%) MapR
13 3 (0.77%) Black Duck
13 3 (0.77%) Vertica