Period
to 19 October 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 October 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 Oct 2020
Same period 2019 Same period 2018
Rank 413 458 305
Rank change year-on-year +45 -153 +49
Contract jobs citing Apache Cassandra 115 391 869
As % of all contract jobs advertised in the UK 0.37% 0.46% 0.84%
As % of the Database & Business Intelligence category 1.65% 2.14% 3.73%
Number of daily rates quoted 66 301 691
Median daily rate £550 £565 £525
Median daily rate % change year-on-year -2.65% +7.62% -2.23%
10th Percentile £406 £425 £375
90th Percentile £644 £713 £675
UK excluding London median daily rate £495 £481 £500
% change year-on-year +2.86% -3.75% +11.11%
Number of hourly rates quoted 3 0 2
Median hourly rate £35.00 - £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 6,967 18,266 23,275
As % of all contract IT jobs advertised in the UK 22.35% 21.62% 22.57%
Number of daily rates quoted 4,456 12,460 16,228
Median daily rate £495 £475 £475
Median daily rate % change year-on-year +4.21% - +5.56%
10th Percentile £313 £325 £313
90th Percentile £675 £653 £638
UK excluding London median daily rate £445 £438 £425
% change year-on-year +1.71% +2.94% +6.25%
Number of hourly rates quoted 152 253 228
Median hourly rate £35.00 £35.00 £31.00
Median hourly rate % change year-on-year - +12.90% +3.33%
10th Percentile £13.43 £12.53 £12.39
90th Percentile £51.75 £60.00 £56.42
Median hourly rate £27.98 £32.50 £33.00
% change year-on-year -13.91% -1.52% -

Apache Cassandra
Job Vacancy Trend

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

Job vacancy trend for Apache Cassandra in the UK

Apache Cassandra
Contractor Daily Rate Trend

3-month moving average daily rate quoted in jobs citing Apache Cassandra.

Daily rate trend for Apache Cassandra in the UK

Apache Cassandra
Daily Rate Histogram

Daily rate distribution for jobs citing Apache Cassandra over the 6 months to 19 October 2020.

Daily rate histogram for Apache Cassandra in the UK

Apache Cassandra
Contractor Hourly Rate Trend

3-month moving average hourly rates quoted in jobs citing Apache Cassandra.

Hourly rate trend for Apache Cassandra in the UK

Apache Cassandra
Top 11 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 October 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 +62 104 £550 -4.35% 43
London +17 81 £550 -4.35% 21
UK excluding London +208 22 £495 +2.86% 25
Work from Home -72 22 £473 - 12
Midlands +89 8 £488 - 7
East Midlands +54 8 £488 -25.00% 3
South West +115 7 - -
South East +167 4 £470 -14.04% 7
North of England +84 3 £600 +28.00% 6
North West +77 2 £600 +31.51% 3
Yorkshire +69 1 £500 +14.29%

For the 6 months to 19 October 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 70 (60.87%) Java
2 66 (57.39%) Kafka
3 52 (45.22%) AWS
4 50 (43.48%) NoSQL
5 49 (42.61%) Microservices
6 42 (36.52%) Kubernetes
6 42 (36.52%) Agile Software Development
7 39 (33.91%) MongoDB
8 37 (32.17%) SQL
9 36 (31.30%) Spring
10 35 (30.43%) Python
11 33 (28.70%) Docker
12 31 (26.96%) Big Data
13 28 (24.35%) Azure
13 28 (24.35%) Banking
14 26 (22.61%) Hadoop
14 26 (22.61%) Java 8
15 24 (20.87%) DevOps
15 24 (20.87%) Spring Boot
16 22 (19.13%) GCP
16 22 (19.13%) TDD
16 22 (19.13%) Linux
17 21 (18.26%) Jenkins
17 21 (18.26%) Apache Spark
18 20 (17.39%) Scala
18 20 (17.39%) Unix
18 20 (17.39%) JavaScript
19 19 (16.52%) MySQL
19 19 (16.52%) Redis
19 19 (16.52%) Machine Learning

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 21 (18.26%) Apache Spark
2 15 (13.04%) Elasticsearch
3 10 (8.70%) Tomcat
4 6 (5.22%) Apache
5 5 (4.35%) Confluence
6 1 (0.87%) Apache Airflow
6 1 (0.87%) JBoss
6 1 (0.87%) Jupyter
6 1 (0.87%) Luigi
6 1 (0.87%) nginx
6 1 (0.87%) Oracle SOA Suite
6 1 (0.87%) SAS
6 1 (0.87%) WebSphere
Business Applications
1 4 (3.48%) RMDS
Cloud Services
1 52 (45.22%) AWS
2 28 (24.35%) Azure
3 22 (19.13%) GCP
4 11 (9.57%) Serverless
5 8 (6.96%) Amazon CloudWatch
5 8 (6.96%) Datadog
6 7 (6.09%) Amazon EC2
6 7 (6.09%) Amazon Kinesis
7 6 (5.22%) AWS Lambda
8 4 (3.48%) Apigee
9 3 (2.61%) Amazon EMR
9 3 (2.61%) Azure Data Factory
9 3 (2.61%) SaaS
10 2 (1.74%) Amazon EKS
10 2 (1.74%) AWS CloudFormation
10 2 (1.74%) Azure Machine Learning
10 2 (1.74%) GitHub
11 1 (0.87%) Azure Functions
11 1 (0.87%) Power Platform
11 1 (0.87%) Virtual Private Cloud
Communications & Networking
1 5 (4.35%) HTTP
2 4 (3.48%) Internet
3 3 (2.61%) Kerberos
4 2 (1.74%) DNS
4 2 (1.74%) DSL
4 2 (1.74%) Firewall
5 1 (0.87%) SSL
Database & Business Intelligence
1 50 (43.48%) NoSQL
2 39 (33.91%) MongoDB
3 31 (26.96%) Big Data
4 26 (22.61%) Hadoop
5 19 (16.52%) MySQL
5 19 (16.52%) Redis
6 16 (13.91%) HBase
7 13 (11.30%) Amazon DynamoDB
7 13 (11.30%) Data Lake
8 10 (8.70%) Relational Database
9 7 (6.09%) PostgreSQL
10 5 (4.35%) Apache Hive
10 5 (4.35%) SQL Server
11 4 (3.48%) BigQuery
11 4 (3.48%) Data Warehouse
11 4 (3.48%) Hazelcast
11 4 (3.48%) Impala
11 4 (3.48%) Presto
12 3 (2.61%) Apache Accumulo
12 3 (2.61%) Couchbase
Development Applications
1 21 (18.26%) Jenkins
2 16 (13.91%) Git (software)
2 16 (13.91%) JIRA
3 11 (9.57%) Maven
4 9 (7.83%) Cucumber
5 8 (6.96%) Selenium
6 7 (6.09%) Mockito
7 6 (5.22%) JUnit
8 5 (4.35%) Hudson
9 4 (3.48%) Bitbucket
9 4 (3.48%) Gradle
10 3 (2.61%) kappa
10 3 (2.61%) Pylint
10 3 (2.61%) Sourcetree
11 2 (1.74%) Artifactory
11 2 (1.74%) Gatling
11 2 (1.74%) Liquibase
12 1 (0.87%) GitLab
12 1 (0.87%) GoCD
12 1 (0.87%) SonarQube
General
1 28 (24.35%) Banking
2 17 (14.78%) Finance
3 8 (6.96%) Front Office
4 7 (6.09%) Investment Banking
5 4 (3.48%) Marketing
5 4 (3.48%) Telecoms
6 3 (2.61%) Advertising
7 2 (1.74%) Manufacturing
7 2 (1.74%) Military
7 2 (1.74%) Public Sector
7 2 (1.74%) Retail
Job Titles
1 55 (47.83%) Developer
2 35 (30.43%) Java Developer
3 14 (12.17%) Architect
3 14 (12.17%) Senior Developer
4 12 (10.43%) Data Engineer
5 10 (8.70%) Senior Java Developer
6 8 (6.96%) Data Architect
6 8 (6.96%) DevOps Engineer
6 8 (6.96%) Operations Engineer
6 8 (6.96%) Operations Support Engineer
6 8 (6.96%) Support Engineer
7 7 (6.09%) AWS Architect
7 7 (6.09%) Azure Engineer
8 6 (5.22%) Applications Engineer
8 6 (5.22%) Applications Support
8 6 (5.22%) Applications Support Engineer
8 6 (5.22%) AWS Engineer
8 6 (5.22%) Scala Developer
9 5 (4.35%) Big Data Engineer
9 5 (4.35%) Python Engineer
Libraries, Frameworks & Software Standards
1 66 (57.39%) Kafka
2 36 (31.30%) Spring
3 24 (20.87%) Spring Boot
4 19 (16.52%) REST
5 15 (13.04%) Web Services
6 11 (9.57%) RESTful
7 9 (7.83%) React
8 8 (6.96%) Akka
8 8 (6.96%) LAMP
8 8 (6.96%) Memcached
8 8 (6.96%) scikit-learn
8 8 (6.96%) Sensu
9 7 (6.09%) AngularJS
9 7 (6.09%) CSS
9 7 (6.09%) GraphQL
9 7 (6.09%) Spring MVC
10 6 (5.22%) JSON
10 6 (5.22%) Spring Security
11 5 (4.35%) Apache Avro
11 5 (4.35%) Hibernate
Miscellaneous
1 15 (13.04%) Analytical Skills
2 9 (7.83%) Linux Command Line
3 8 (6.96%) Public Cloud
4 6 (5.22%) Foreign Exchange (FX)
5 5 (4.35%) Data Structures
5 5 (4.35%) Greenfield Project
6 4 (3.48%) Equities
7 3 (2.61%) Cloud Native
7 3 (2.61%) Data Centre
7 3 (2.61%) Reference Data
8 2 (1.74%) Algorithms
8 2 (1.74%) Derivative
8 2 (1.74%) Enterprise Software
8 2 (1.74%) FMCG
8 2 (1.74%) Management Information System
9 1 (0.87%) Fixed Income
9 1 (0.87%) Hybrid Cloud
9 1 (0.87%) Internet of Things
9 1 (0.87%) Video on Demand
Operating Systems
1 22 (19.13%) Linux
2 20 (17.39%) Unix
3 7 (6.09%) Android
3 7 (6.09%) Apple iOS
4 2 (1.74%) Windows
5 1 (0.87%) Mac OS
5 1 (0.87%) Red Hat Enterprise Linux
Processes & Methodologies
1 49 (42.61%) Microservices
2 42 (36.52%) Agile Software Development
3 24 (20.87%) DevOps
4 22 (19.13%) TDD
5 19 (16.52%) Machine Learning
6 16 (13.91%) Computer Science
6 16 (13.91%) Open Source
7 14 (12.17%) Data Modelling
8 13 (11.30%) Unit Testing
9 12 (10.43%) BDD
9 12 (10.43%) Data Science
9 12 (10.43%) Software Engineering
10 11 (9.57%) API Design
10 11 (9.57%) Continuous Integration
11 10 (8.70%) Analytics
11 10 (8.70%) ETL
11 10 (8.70%) Performance Monitoring
12 9 (7.83%) Deployment Automation
12 9 (7.83%) Root Cause Analysis
13 8 (6.96%) Cross-Platform Development
Programming Languages
1 70 (60.87%) Java
2 37 (32.17%) SQL
3 35 (30.43%) Python
4 26 (22.61%) Java 8
5 20 (17.39%) JavaScript
5 20 (17.39%) Scala
6 13 (11.30%) Bash Shell
7 12 (10.43%) Ruby
8 9 (7.83%) Shell Script
9 8 (6.96%) C++
10 6 (5.22%) Go
11 5 (4.35%) Perl
12 4 (3.48%) Kotlin
13 3 (2.61%) R
14 1 (0.87%) Clojure
14 1 (0.87%) ClojureScript
14 1 (0.87%) Groovy
14 1 (0.87%) PL/SQL
14 1 (0.87%) Rust
14 1 (0.87%) TypeScript
Qualifications
1 14 (12.17%) Degree
2 8 (6.96%) Computer Science Degree
2 8 (6.96%) Master's Degree
3 7 (6.09%) Security Cleared
4 6 (5.22%) SC Cleared
4 6 (5.22%) TOGAF Certification
5 2 (1.74%) AWS Certification
5 2 (1.74%) DV Cleared
6 1 (0.87%) CSPO
6 1 (0.87%) PhD
Quality Assurance & Compliance
1 11 (9.57%) QA
2 8 (6.96%) PCI DSS
3 4 (3.48%) Data Quality
4 1 (0.87%) SLA
System Software
1 33 (28.70%) Docker
2 5 (4.35%) Apache Flume
2 5 (4.35%) Apache ZooKeeper
3 4 (3.48%) HDFS
4 2 (1.74%) zsh
Systems Management
1 42 (36.52%) Kubernetes
2 17 (14.78%) Terraform
3 15 (13.04%) Prometheus
4 13 (11.30%) Ansible
5 12 (10.43%) Opscode Chef
6 10 (8.70%) Grafana
7 8 (6.96%) Nagios
8 7 (6.09%) Puppet
9 5 (4.35%) Rundeck
10 2 (1.74%) linkerd
10 2 (1.74%) Salt
11 1 (0.87%) Graphite
11 1 (0.87%) Istio
11 1 (0.87%) Knative
11 1 (0.87%) Mesos
11 1 (0.87%) Oozie
Vendors
1 19 (16.52%) Splunk
2 17 (14.78%) Oracle
3 6 (5.22%) Microsoft
3 6 (5.22%) Salesforce.com
4 5 (4.35%) Google
5 4 (3.48%) Dynatrace
5 4 (3.48%) IBM
6 2 (1.74%) Atlassian
6 2 (1.74%) Cloudera
6 2 (1.74%) Databricks
6 2 (1.74%) Informatica
6 2 (1.74%) SaltStack
7 1 (0.87%) Ab Initio
7 1 (0.87%) Clearswift
7 1 (0.87%) MicroStrategy
7 1 (0.87%) MuleSoft
7 1 (0.87%) Pega
7 1 (0.87%) Red Hat
7 1 (0.87%) Solace
7 1 (0.87%) Teradata