Job Vacancy Trend Daily Rate Trend Daily Rate Histogram Hourly Rate Trend Job Locations Skill Sets
Period
to 19 January 2020

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 19 January 2020 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
19 Jan 2020		 Same period 2019 Same period 2018
Rank 463 296 371
Rank change year-on-year -167 +75 -9
Contract jobs citing Apache Cassandra 293 863 650
As % of all contract IT jobs advertised in the UK 0.41% 0.87% 0.65%
As % of the Database & Business Intelligence category 1.95% 3.89% 2.95%
Number of daily rates quoted 196 647 519
UK median daily rate £550 £550 £525
Median daily rate % change year-on-year - +4.76% -
10th Percentile £420 £413 £388
90th Percentile £706 £688 £650
UK excluding London median daily rate £480 £500 £450
% change year-on-year -4.00% +11.11% -10.00%
Number of hourly rates quoted 1 0 0
UK median hourly rate £40.00 - -
UK excluding London median hourly rate £40.00 - -

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 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 15,055 22,171 22,042
As % of all contract IT jobs advertised in the UK 21.00% 22.45% 21.99%
Number of daily rates quoted 10,029 15,275 15,340
UK median daily rate £475 £475 £450
Median daily rate % change year-on-year - +5.56% +5.88%
10th Percentile £319 £319 £310
90th Percentile £663 £644 £625
UK excluding London median daily rate £438 £425 £400
% change year-on-year +2.94% +6.25% +3.23%
Number of hourly rates quoted 241 246 252
UK median hourly rate £32.50 £32.49 £30.95
Median hourly rate % change year-on-year +0.04% +4.97% +9.83%
10th Percentile £13.06 £13.85 £14.58
90th Percentile £55.00 £56.66 £55.54
UK excluding London median hourly rate £27.50 £32.75 £35.00
% change year-on-year -16.03% -6.43% +29.93%

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 19 January 2020.

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 14 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 19 January 2020. 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 -154 283 £550 - 99
London -73 213 £550 -4.35% 57
UK excluding London -112 77 £480 -4.00% 46
North of England +8 31 £488 +2.63% 9
South East -36 30 £456 -10.98% 12
Yorkshire +19 17 £490 -2.00% 3
North West +1 14 £485 +6.30% 6
East of England +33 5 £438 -20.45% 4
Scotland +5 4 £500 +17.65% 1
Midlands +35 3 £525 +38.16% 13
Wales +35 3 £508 -7.73% 3
West Midlands +29 2 £650 +26.83% 9
East Midlands +17 2 £650 +96.97% 4
South West -10 1 - - 4

For the 6 months to 19 January 2020, 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.

1 152 (51.88%) NoSQL
2 150 (51.19%) Java
3 142 (48.46%) Python
4 138 (47.10%) MongoDB
5 134 (45.73%) AWS
6 120 (40.96%) Kafka
7 117 (39.93%) SQL
8 100 (34.13%) Microservices
9 91 (31.06%) Agile Software Development
10 87 (29.69%) Scala
10 87 (29.69%) Azure
11 83 (28.33%) Kubernetes
12 72 (24.57%) DevOps
13 71 (24.23%) Docker
14 70 (23.89%) Analytics
14 70 (23.89%) Relational Database
15 67 (22.87%) GCP
16 63 (21.50%) Software Engineering
17 62 (21.16%) Apache Spark
18 61 (20.82%) Finance
19 60 (20.48%) Web Services
20 59 (20.14%) Migration
20 59 (20.14%) TDD
20 59 (20.14%) Hadoop
21 55 (18.77%) HBase
22 54 (18.43%) Linux
23 53 (18.09%) MySQL
24 52 (17.75%) Banking
25 51 (17.41%) Oracle
26 50 (17.06%) Big Data

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 62 (21.16%) Apache Spark
2 33 (11.26%) Elasticsearch
3 21 (7.17%) Apache
4 16 (5.46%) SAS
5 12 (4.10%) OpenStack
6 9 (3.07%) Tomcat
7 7 (2.39%) Apache Solr
7 7 (2.39%) nginx
8 6 (2.05%) Jetty
9 5 (1.71%) Apache Airflow
9 5 (1.71%) JBoss
9 5 (1.71%) Luigi
10 3 (1.02%) Confluence
11 2 (0.68%) Apache Pig
11 2 (0.68%) CMS
11 2 (0.68%) Oracle SOA Suite
12 1 (0.34%) Cloud Foundry
12 1 (0.34%) SharePoint
12 1 (0.34%) WebLogic
Applications
1 2 (0.68%) Microsoft Excel
2 1 (0.34%) SPSS
Business Applications
1 20 (6.83%) FINCAD Analytics
Cloud Services
1 134 (45.73%) AWS
2 87 (29.69%) Azure
3 67 (22.87%) GCP
4 29 (9.90%) Amazon S3
5 20 (6.83%) AWS Step Functions
6 16 (5.46%) Amazon Kinesis
7 14 (4.78%) PaaS
8 13 (4.44%) Power Platform
9 7 (2.39%) Amazon EC2
9 7 (2.39%) Amazon ELB
9 7 (2.39%) Route 53
9 7 (2.39%) Virtual Private Cloud
10 6 (2.05%) OpenShift
11 5 (1.71%) GitHub
12 4 (1.37%) Amazon CloudWatch
12 4 (1.37%) Amazon SQS
12 4 (1.37%) AWS CloudTrail
12 4 (1.37%) AWS Elastic Beanstalk
12 4 (1.37%) CloudFront
12 4 (1.37%) Heroku
Communications & Networking
1 25 (8.53%) HTTP
2 8 (2.73%) VPN
3 7 (2.39%) Internet
4 6 (2.05%) TCP/IP
5 5 (1.71%) DOCSIS
5 5 (1.71%) SNMP
6 4 (1.37%) AMQP
6 4 (1.37%) Kerberos
7 3 (1.02%) DHCP
7 3 (1.02%) MQTT
7 3 (1.02%) SSL
8 2 (0.68%) Wireless
9 1 (0.34%) Broadband
9 1 (0.34%) Multicast
9 1 (0.34%) SMS
9 1 (0.34%) SSH
Database & Business Intelligence
1 152 (51.88%) NoSQL
2 138 (47.10%) MongoDB
3 70 (23.89%) Relational Database
4 59 (20.14%) Hadoop
5 55 (18.77%) HBase
6 53 (18.09%) MySQL
7 50 (17.06%) Big Data
8 48 (16.38%) Amazon DynamoDB
8 48 (16.38%) Redis
9 47 (16.04%) PostgreSQL
10 45 (15.36%) RDBMS
11 30 (10.24%) SQL Server
12 28 (9.56%) Apache Hive
13 26 (8.87%) Couchbase
13 26 (8.87%) DB2
13 26 (8.87%) MariaDB
13 26 (8.87%) Neo4j
14 24 (8.19%) Amazon Redshift
15 20 (6.83%) Amazon Athena
16 17 (5.80%) Data Lake
Development Applications
1 46 (15.70%) Jenkins
2 28 (9.56%) Git (software)
3 17 (5.80%) GitLab
4 16 (5.46%) JUnit
5 15 (5.12%) Maven
6 14 (4.78%) Mockito
6 14 (4.78%) Visual Studio Team System
7 13 (4.44%) Cucumber
8 12 (4.10%) Gradle
9 11 (3.75%) Selenium
9 11 (3.75%) SonarQube
9 11 (3.75%) Visual Studio
10 9 (3.07%) TeamCity
11 8 (2.73%) Artifactory
12 7 (2.39%) JIRA
12 7 (2.39%) Octopus Deploy
13 6 (2.05%) Subversion
14 5 (1.71%) Spock
15 4 (1.37%) Bitbucket
16 3 (1.02%) Hudson
General
1 61 (20.82%) Finance
2 52 (17.75%) Banking
3 22 (7.51%) Front Office
4 17 (5.80%) Public Sector
5 11 (3.75%) Games
6 6 (2.05%) Advertising
6 6 (2.05%) Investment Banking
7 4 (1.37%) Legal
8 3 (1.02%) Back Office
8 3 (1.02%) Retail
9 2 (0.68%) Financial Institution
9 2 (0.68%) Marketing
9 2 (0.68%) Telecoms
10 1 (0.34%) Billing
10 1 (0.34%) German Language
Job Titles
1 100 (34.13%) Developer
2 50 (17.06%) Java Developer
3 47 (16.04%) Data Engineer
4 40 (13.65%) DevOps Engineer
5 36 (12.29%) Senior Developer
6 34 (11.60%) Architect
7 24 (8.19%) DBA
8 23 (7.85%) Senior Java Developer
9 21 (7.17%) Administrator
9 21 (7.17%) Data Architect
10 20 (6.83%) AWS Engineer
11 17 (5.80%) Big Data Architect
12 15 (5.12%) AWS Developer
13 14 (4.78%) Java Engineer
14 12 (4.10%) NoSQL Developer
14 12 (4.10%) NoSQL Engineer
15 11 (3.75%) Agile Developer
15 11 (3.75%) Agile Java Developer
16 10 (3.41%) Scala Developer
16 10 (3.41%) Senior Agile Developer
Libraries, Frameworks & Software Standards
1 120 (40.96%) Kafka
2 60 (20.48%) Web Services
3 44 (15.02%) Spring
4 43 (14.68%) REST
5 39 (13.31%) Node.js
6 32 (10.92%) RabbitMQ
7 28 (9.56%) HTML
8 25 (8.53%) RESTful
9 24 (8.19%) HTML5
10 22 (7.51%) CSS
11 21 (7.17%) Elastic Stack
12 20 (6.83%) React
12 20 (6.83%) Spark Streaming
13 19 (6.48%) J2EE
13 19 (6.48%) JSON
13 19 (6.48%) Spring Boot
14 18 (6.14%) AngularJS
15 16 (5.46%) SOAP
16 14 (4.78%) Akka
17 12 (4.10%) CSS3
Miscellaneous
1 23 (7.85%) Hedge funds
2 22 (7.51%) Derivative
3 21 (7.17%) Fixed Income
4 20 (6.83%) Equity Derivative
4 20 (6.83%) Foreign Exchange (FX)
4 20 (6.83%) Public Cloud
5 18 (6.14%) Data Structures
6 16 (5.46%) Market Risk
7 14 (4.78%) Analytical Skills
8 10 (3.41%) Cloud Native
8 10 (3.41%) User Experience
9 8 (2.73%) Greenfield Project
10 6 (2.05%) Algorithms
11 5 (1.71%) Clustering
12 4 (1.37%) Enterprise Software
13 3 (1.02%) Data Centre
13 3 (1.02%) Equities
13 3 (1.02%) Tandem
14 2 (0.68%) Swaptions
14 2 (0.68%) Wiki
Operating Systems
1 54 (18.43%) Linux
2 18 (6.14%) Red Hat Enterprise Linux
2 18 (6.14%) Windows
3 14 (4.78%) CentOS
4 5 (1.71%) Unix
5 3 (1.02%) Ubuntu
6 2 (0.68%) Android
6 2 (0.68%) Apple iOS
7 1 (0.34%) VME
Processes & Methodologies
1 100 (34.13%) Microservices
2 91 (31.06%) Agile Software Development
3 72 (24.57%) DevOps
4 70 (23.89%) Analytics
5 63 (21.50%) Software Engineering
6 59 (20.14%) Migration
6 59 (20.14%) TDD
7 44 (15.02%) ETL
8 36 (12.29%) Data Science
9 35 (11.95%) Test Automation
10 31 (10.58%) Business Intelligence
11 30 (10.24%) Continuous Integration
12 29 (9.90%) Machine Learning
13 27 (9.22%) Scrum
14 25 (8.53%) OO
15 23 (7.85%) Continuous Delivery
16 22 (7.51%) Asset Management
17 20 (6.83%) BDD
17 20 (6.83%) Risk Analytics
18 19 (6.48%) Open Source
Programming Languages
1 150 (51.19%) Java
2 142 (48.46%) Python
3 117 (39.93%) SQL
4 87 (29.69%) Scala
5 46 (15.70%) JavaScript
6 38 (12.97%) Kotlin
7 24 (8.19%) Go
7 24 (8.19%) R
8 19 (6.48%) Bash Shell
8 19 (6.48%) Clojure
9 18 (6.14%) C++
9 18 (6.14%) Java 8
10 17 (5.80%) C#
11 15 (5.12%) Perl
12 13 (4.44%) Ruby
13 8 (2.73%) ClojureScript
13 8 (2.73%) Groovy
14 7 (2.39%) C
15 4 (1.37%) AWK
15 4 (1.37%) PowerShell
Qualifications
1 39 (13.31%) Security Cleared
2 33 (11.26%) SC Cleared
3 23 (7.85%) Degree
4 7 (2.39%) Computer Science Degree
5 4 (1.37%) BPSS Clearance
5 4 (1.37%) Master's Degree
6 1 (0.34%) AWS Certification
6 1 (0.34%) CCNA
6 1 (0.34%) CCNP
6 1 (0.34%) Cisco Certification
6 1 (0.34%) DBS Check
6 1 (0.34%) MBA
6 1 (0.34%) MCSA
6 1 (0.34%) Microsoft Certification
6 1 (0.34%) MySQL Certification
6 1 (0.34%) OCP
6 1 (0.34%) Oracle Certification
6 1 (0.34%) PhD
6 1 (0.34%) TOGAF Certification
Quality Assurance & Compliance
1 11 (3.75%) Data Quality
2 5 (1.71%) QA
3 3 (1.02%) PSD2
4 1 (0.34%) PCI DSS
System Software
1 71 (24.23%) Docker
2 23 (7.85%) HDFS
3 5 (1.71%) Apache Flume
4 3 (1.02%) Apache ZooKeeper
4 3 (1.02%) KVM
4 3 (1.02%) oVirt
4 3 (1.02%) VMware Infrastructure
5 1 (0.34%) Corosync
5 1 (0.34%) zsh
Systems Management
1 83 (28.33%) Kubernetes
2 34 (11.60%) Ansible
3 26 (8.87%) Puppet
3 26 (8.87%) Terraform
4 18 (6.14%) Grafana
5 16 (5.46%) Kibana
6 13 (4.44%) Opscode Chef
7 11 (3.75%) linkerd
7 11 (3.75%) Rancher
8 9 (3.07%) Hadoop YARN
8 9 (3.07%) Istio
9 8 (2.73%) Graphite
9 8 (2.73%) Packer
9 8 (2.73%) Prometheus
10 6 (2.05%) Consul
10 6 (2.05%) logstash
11 5 (1.71%) Sysdig
11 5 (1.71%) ZABBIX
12 3 (1.02%) Microsoft Clustering
12 3 (1.02%) Pingdom
Vendors
1 51 (17.41%) Oracle
2 45 (15.36%) Google
3 32 (10.92%) Microsoft
4 22 (7.51%) Sybase
5 20 (6.83%) Greenplum
6 10 (3.41%) Tableau
6 10 (3.41%) Teradata
7 8 (2.73%) DataFlux
7 8 (2.73%) hybris
7 8 (2.73%) Hyperion
8 7 (2.39%) Black Duck
9 6 (2.05%) Talend
9 6 (2.05%) VMware
10 5 (1.71%) Atlassian
10 5 (1.71%) IBM
10 5 (1.71%) Splunk
11 4 (1.37%) Ab Initio
11 4 (1.37%) MapR
11 4 (1.37%) Red Hat
11 4 (1.37%) SaltStack