Period
to 1 October 2020

The following table provides summary statistics for contract job vacancies advertised in London 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 1 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
England > London
6 months to
1 Oct 2020
Same period 2019 Same period 2018
Rank 282 298 250
Rank change year-on-year +16 -48 +22
Contract jobs citing Apache Cassandra 80 312 499
As % of all contract jobs advertised in London 0.59% 0.82% 1.09%
As % of the Database & Business Intelligence category 2.36% 3.36% 4.40%
Number of daily rates quoted 46 256 386
Median daily rate £550 £579 £550
Median daily rate % change year-on-year -4.93% +5.18% -
10th Percentile £406 £463 £413
90th Percentile £658 £730 £700
England median daily rate £550 £575 £525
% change year-on-year -4.35% +9.52% -2.33%
Number of hourly rates quoted 2 0 0
Median hourly rate £35.00 - -
England median hourly rate £35.00 - £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 advertised in London with a requirement for database or business intelligence skills.

All Database and Business Intelligence Skills
London
Contract vacancies with a requirement for database or business intelligence skills 3,390 9,276 11,348
As % of all contract IT jobs advertised in London 25.08% 24.23% 24.90%
Number of daily rates quoted 2,282 6,709 8,472
Median daily rate £525 £525 £525
10th Percentile £363 £363 £363
90th Percentile £713 £694 £675
England median daily rate £500 £480 £475
% change year-on-year +4.17% +1.05% +5.56%
Number of hourly rates quoted 42 57 56
Median hourly rate £35.00 £35.00 £27.62
Median hourly rate % change year-on-year - +26.74% +1.68%
10th Percentile £20.04 £15.60 £17.75
90th Percentile £50.22 £53.75 £47.63
Median hourly rate £35.00 £35.00 £30.00
% change year-on-year - +16.67% -1.64%

Apache Cassandra
Job Vacancy Trend in London

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

Job vacancy trend for Apache Cassandra in London

Apache Cassandra
Contractor Daily Rate Trend in London

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

Daily rate trend for Apache Cassandra in London

Apache Cassandra
Daily Rate Histogram in London

Daily rate distribution for jobs citing Apache Cassandra in London over the 6 months to 1 October 2020.

Daily rate histogram for Apache Cassandra in London

Apache Cassandra
Contractor Hourly Rate Trend in London

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

Hourly rate trend for Apache Cassandra in London

Apache Cassandra
Contract Job Locations in London

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 London region over the 6 months to 1 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
Central London +95 16 £550 -4.35% 10
West London +62 11 £618 +12.27% 4
South London +39 1 £543 +13.02% 1
Apache Cassandra
England

For the 6 months to 1 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 across the London region with a requirement for Apache Cassandra.

1 53 (66.25%) Java
2 48 (60.00%) Kafka
3 34 (42.50%) NoSQL
4 33 (41.25%) AWS
5 32 (40.00%) Agile Software Development
6 30 (37.50%) Microservices
7 29 (36.25%) MongoDB
8 28 (35.00%) Big Data
8 28 (35.00%) Python
9 27 (33.75%) Kubernetes
10 26 (32.50%) Spring
11 22 (27.50%) SQL
11 22 (27.50%) Hadoop
11 22 (27.50%) Docker
12 19 (23.75%) Java 8
13 18 (22.50%) Apache Spark
14 17 (21.25%) Redis
14 17 (21.25%) Splunk
14 17 (21.25%) Banking
14 17 (21.25%) TDD
14 17 (21.25%) Spring Boot
15 15 (18.75%) MySQL
15 15 (18.75%) Unix
15 15 (18.75%) Scala
15 15 (18.75%) DevOps
16 14 (17.50%) Oracle
16 14 (17.50%) Ruby
16 14 (17.50%) Computer Science
17 13 (16.25%) Degree
17 13 (16.25%) Linux

Apache Cassandra
Co-occurring IT Skills in London 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 18 (22.50%) Apache Spark
2 12 (15.00%) Elasticsearch
3 9 (11.25%) Tomcat
4 3 (3.75%) Apache
4 3 (3.75%) Confluence
5 1 (1.25%) Apache Airflow
5 1 (1.25%) Luigi
Business Applications
1 3 (3.75%) RMDS
Cloud Services
1 33 (41.25%) AWS
2 13 (16.25%) Azure
3 11 (13.75%) GCP
4 8 (10.00%) Amazon CloudWatch
4 8 (10.00%) Datadog
4 8 (10.00%) Serverless
5 4 (5.00%) Amazon Kinesis
5 4 (5.00%) SaaS
6 3 (3.75%) Amazon EC2
6 3 (3.75%) Apigee
6 3 (3.75%) AWS Lambda
6 3 (3.75%) Azure Data Factory
7 2 (2.50%) Azure Machine Learning
7 2 (2.50%) GitHub
8 1 (1.25%) Amazon EKS
8 1 (1.25%) AWS CloudFormation
8 1 (1.25%) Azure Functions
8 1 (1.25%) IaaS
8 1 (1.25%) PaaS
8 1 (1.25%) SonarCloud
Communications & Networking
1 4 (5.00%) HTTP
2 3 (3.75%) Internet
3 2 (2.50%) DSL
3 2 (2.50%) Kerberos
4 1 (1.25%) DNS
4 1 (1.25%) VPN
Database & Business Intelligence
1 34 (42.50%) NoSQL
2 29 (36.25%) MongoDB
3 28 (35.00%) Big Data
4 22 (27.50%) Hadoop
5 17 (21.25%) Redis
6 15 (18.75%) MySQL
7 9 (11.25%) HBase
8 7 (8.75%) Relational Database
9 6 (7.50%) Amazon DynamoDB
9 6 (7.50%) BigQuery
9 6 (7.50%) Presto
10 4 (5.00%) Data Lake
10 4 (5.00%) Data Warehouse
10 4 (5.00%) Hazelcast
10 4 (5.00%) SQL Server
11 3 (3.75%) Apache Accumulo
11 3 (3.75%) CouchDB
11 3 (3.75%) RDBMS
11 3 (3.75%) Snowflake Schema
12 2 (2.50%) Amazon Redshift
Development Applications
1 11 (13.75%) Jenkins
2 8 (10.00%) Maven
3 7 (8.75%) Git (software)
4 5 (6.25%) Cucumber
4 5 (6.25%) Mockito
4 5 (6.25%) Selenium
5 4 (5.00%) Bitbucket
5 4 (5.00%) Gradle
5 4 (5.00%) Hudson
5 4 (5.00%) JUnit
6 3 (3.75%) JIRA
6 3 (3.75%) Pylint
6 3 (3.75%) Sourcetree
7 2 (2.50%) Artifactory
7 2 (2.50%) Liquibase
8 1 (1.25%) Ant
8 1 (1.25%) Eclipse
8 1 (1.25%) Gatling
8 1 (1.25%) IntelliJ
General
1 17 (21.25%) Banking
2 11 (13.75%) Finance
3 7 (8.75%) Front Office
4 6 (7.50%) Investment Banking
4 6 (7.50%) Telecoms
5 3 (3.75%) Advertising
5 3 (3.75%) Manufacturing
5 3 (3.75%) Marketing
6 2 (2.50%) Military
6 2 (2.50%) Public Sector
7 1 (1.25%) Aerospace
7 1 (1.25%) Retail
Job Titles
1 38 (47.50%) Developer
2 27 (33.75%) Java Developer
3 13 (16.25%) Data Engineer
4 10 (12.50%) Senior Developer
5 8 (10.00%) Operations Engineer
5 8 (10.00%) Operations Support Engineer
5 8 (10.00%) Support Engineer
6 7 (8.75%) Python Engineer
6 7 (8.75%) Senior Java Developer
7 6 (7.50%) Applications Engineer
7 6 (7.50%) Applications Support
7 6 (7.50%) Applications Support Engineer
7 6 (7.50%) Architect
7 6 (7.50%) Senior Data Engineer
8 5 (6.25%) Azure Engineer
8 5 (6.25%) Big Data Engineer
8 5 (6.25%) DevOps Engineer
8 5 (6.25%) Scala Developer
9 4 (5.00%) AWS Developer
9 4 (5.00%) Data Architect
Libraries, Frameworks & Software Standards
1 48 (60.00%) Kafka
2 26 (32.50%) Spring
3 17 (21.25%) Spring Boot
4 11 (13.75%) Web Services
5 9 (11.25%) REST
5 9 (11.25%) RESTful
6 8 (10.00%) LAMP
6 8 (10.00%) Memcached
6 8 (10.00%) Sensu
7 7 (8.75%) PySpark
7 7 (8.75%) scikit-learn
8 6 (7.50%) H2O
8 6 (7.50%) Spring MVC
8 6 (7.50%) TensorFlow
9 5 (6.25%) Apache Avro
9 5 (6.25%) Pandas
9 5 (6.25%) Spring Security
10 4 (5.00%) Akka
10 4 (5.00%) Play Framework
10 4 (5.00%) RabbitMQ
Miscellaneous
1 13 (16.25%) Analytical Skills
2 8 (10.00%) Linux Command Line
3 5 (6.25%) Data Structures
3 5 (6.25%) Foreign Exchange (FX)
3 5 (6.25%) Public Cloud
4 4 (5.00%) Cloud Native
4 4 (5.00%) Greenfield Project
5 3 (3.75%) Equities
5 3 (3.75%) Reference Data
6 2 (2.50%) Derivative
6 2 (2.50%) FMCG
7 1 (1.25%) Algorithms
7 1 (1.25%) Fixed Income
7 1 (1.25%) Industry 4.0
7 1 (1.25%) Management Information System
7 1 (1.25%) Private Cloud
7 1 (1.25%) Video on Demand
Operating Systems
1 15 (18.75%) Unix
2 13 (16.25%) Linux
3 1 (1.25%) Android
3 1 (1.25%) Apple iOS
Processes & Methodologies
1 32 (40.00%) Agile Software Development
2 30 (37.50%) Microservices
3 17 (21.25%) TDD
4 15 (18.75%) DevOps
5 14 (17.50%) Computer Science
6 11 (13.75%) ETL
7 10 (12.50%) BDD
7 10 (12.50%) Data Science
7 10 (12.50%) Open Source
7 10 (12.50%) Performance Monitoring
8 9 (11.25%) Data Modelling
8 9 (11.25%) Machine Learning
8 9 (11.25%) Root Cause Analysis
8 9 (11.25%) Software Engineering
9 8 (10.00%) Analytics
9 8 (10.00%) Continuous Integration
9 8 (10.00%) Cross-Platform Development
9 8 (10.00%) E-Commerce
9 8 (10.00%) ITIL
9 8 (10.00%) Unit Testing
Programming Languages
1 53 (66.25%) Java
2 28 (35.00%) Python
3 22 (27.50%) SQL
4 19 (23.75%) Java 8
5 15 (18.75%) Scala
6 14 (17.50%) Ruby
7 10 (12.50%) Bash Shell
7 10 (12.50%) JavaScript
8 8 (10.00%) C++
9 5 (6.25%) Shell Script
10 4 (5.00%) Perl
11 3 (3.75%) Go
12 2 (2.50%) Kotlin
12 2 (2.50%) TypeScript
13 1 (1.25%) Clojure
13 1 (1.25%) ClojureScript
13 1 (1.25%) Groovy
13 1 (1.25%) PL/SQL
Qualifications
1 13 (16.25%) Degree
2 8 (10.00%) Computer Science Degree
2 8 (10.00%) Master's Degree
3 5 (6.25%) SC Cleared
3 5 (6.25%) Security Cleared
4 3 (3.75%) AWS Certification
5 2 (2.50%) DV Cleared
Quality Assurance & Compliance
1 8 (10.00%) PCI DSS
1 8 (10.00%) QA
2 3 (3.75%) Data Quality
System Software
1 22 (27.50%) Docker
2 4 (5.00%) Apache ZooKeeper
2 4 (5.00%) HDFS
3 2 (2.50%) Apache Flume
3 2 (2.50%) zsh
Systems Management
1 27 (33.75%) Kubernetes
2 10 (12.50%) Ansible
2 10 (12.50%) Terraform
3 8 (10.00%) Nagios
4 5 (6.25%) Puppet
5 4 (5.00%) Rundeck
6 3 (3.75%) linkerd
6 3 (3.75%) Opscode Chef
7 2 (2.50%) Grafana
7 2 (2.50%) Prometheus
7 2 (2.50%) Salt
8 1 (1.25%) Istio
8 1 (1.25%) Oozie
Vendors
1 17 (21.25%) Splunk
2 14 (17.50%) Oracle
3 4 (5.00%) Google
4 3 (3.75%) Dynatrace
4 3 (3.75%) Microsoft
5 2 (2.50%) Atlassian
5 2 (2.50%) Cloudera
5 2 (2.50%) Databricks
5 2 (2.50%) SaltStack
6 1 (1.25%) IBM
6 1 (1.25%) Informatica
6 1 (1.25%) Solace