Period
to 5 March 2021

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 5 March 2021 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
5 Mar 2021
Same period 2020 Same period 2019
Rank 317 285 226
Rank change year-on-year -32 -59 +32
Contract jobs citing Apache Cassandra 100 217 542
As % of all contract jobs advertised in London 0.50% 0.77% 1.24%
As % of the Database & Business Intelligence category 2.11% 3.18% 5.03%
Number of daily rates quoted 80 156 411
Median daily rate £600 £566 £575
Median daily rate % change year-on-year +5.96% -1.52% +4.55%
10th Percentile £459 £458 £475
90th Percentile £688 £738 £675
England median daily rate £600 £550 £550
% change year-on-year +9.09% - +4.76%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
England 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 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 4,731 6,828 10,783
As % of all contract IT jobs advertised in London 23.53% 24.34% 24.60%
Number of daily rates quoted 3,350 4,976 8,019
Median daily rate £525 £525 £525
10th Percentile £350 £363 £363
90th Percentile £700 £700 £675
England median daily rate £495 £488 £485
% change year-on-year +1.54% +0.52% +2.11%
Number of hourly rates quoted 27 31 42
Median hourly rate £42.00 £35.00 £24.50
Median hourly rate % change year-on-year +20.00% +42.86% -9.79%
10th Percentile £20.60 £18.25 £16.83
90th Percentile £68.00 £64.88 £47.50
Median hourly rate £25.00 £25.80 £31.25
% change year-on-year -3.09% -17.45% -4.58%

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 5 March 2021.

Daily rate histogram 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 5 March 2021. 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
West London +37 11 £588 +6.82% 4
Central London +55 8 £550 - 17
Apache Cassandra
England

For the 6 months to 5 March 2021, 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 74 (74.00%) Kafka
2 68 (68.00%) Java
3 58 (58.00%) Agile Software Development
4 50 (50.00%) Microservices
5 44 (44.00%) NoSQL
6 38 (38.00%) Banking
7 32 (32.00%) Kubernetes
8 31 (31.00%) DevOps
8 31 (31.00%) Git (software)
9 29 (29.00%) Scala
9 29 (29.00%) AWS
9 29 (29.00%) MongoDB
9 29 (29.00%) Investment Banking
10 27 (27.00%) Python
11 26 (26.00%) Linux
12 25 (25.00%) Apache Spark
13 24 (24.00%) Finance
14 23 (23.00%) Front Office
14 23 (23.00%) Docker
15 22 (22.00%) Spring
15 22 (22.00%) Azure
16 21 (21.00%) Hadoop
16 21 (21.00%) Big Data
16 21 (21.00%) TDD
16 21 (21.00%) Problem-Solving
17 20 (20.00%) SQL
18 18 (18.00%) Atlassian
19 16 (16.00%) HBase
19 16 (16.00%) Jenkins
19 16 (16.00%) JavaScript

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 25 (25.00%) Apache Spark
2 5 (5.00%) Elasticsearch
3 4 (4.00%) Apache Pig
3 4 (4.00%) Confluence
4 3 (3.00%) Apache
4 3 (3.00%) Tomcat
5 2 (2.00%) Apache Airflow
5 2 (2.00%) JBoss
5 2 (2.00%) Jetty
5 2 (2.00%) Luigi
6 1 (1.00%) Apache Solr
6 1 (1.00%) IBM Domino
6 1 (1.00%) IIS
6 1 (1.00%) nginx
6 1 (1.00%) WebSphere
Applications
1 2 (2.00%) Microsoft Excel
Business Applications
1 4 (4.00%) RMDS
Cloud Services
1 29 (29.00%) AWS
2 22 (22.00%) Azure
3 9 (9.00%) Amazon EC2
4 6 (6.00%) GCP
4 6 (6.00%) Serverless
5 5 (5.00%) Amazon S3
6 4 (4.00%) SaaS
7 3 (3.00%) Amazon ElastiCache
7 3 (3.00%) Amazon EMR
7 3 (3.00%) Amazon Kinesis
7 3 (3.00%) Apigee
7 3 (3.00%) AWS CloudFormation
7 3 (3.00%) Azure Data Factory
8 2 (2.00%) Akamai
8 2 (2.00%) Azure Machine Learning
9 1 (1.00%) Amazon CloudWatch
9 1 (1.00%) Amazon ELB
9 1 (1.00%) Cloud Computing
9 1 (1.00%) Route 53
9 1 (1.00%) Virtual Private Cloud
Communications & Networking
1 5 (5.00%) Network Security
2 3 (3.00%) Firewall
2 3 (3.00%) Internet
3 2 (2.00%) HTTP
3 2 (2.00%) TCP/IP
4 1 (1.00%) DNS
4 1 (1.00%) VPN
Database & Business Intelligence
1 44 (44.00%) NoSQL
2 29 (29.00%) MongoDB
3 21 (21.00%) Big Data
3 21 (21.00%) Hadoop
4 16 (16.00%) HBase
5 14 (14.00%) Redis
6 13 (13.00%) Relational Database
7 12 (12.00%) Apache Hive
7 12 (12.00%) MySQL
8 11 (11.00%) Data Warehouse
8 11 (11.00%) PostgreSQL
9 9 (9.00%) SQL Server
10 7 (7.00%) Amazon DynamoDB
11 5 (5.00%) Amazon Redshift
11 5 (5.00%) Impala
12 4 (4.00%) Amazon RDS
12 4 (4.00%) Cosmos DB
13 3 (3.00%) Amazon Athena
13 3 (3.00%) Apache Accumulo
13 3 (3.00%) InfluxDB
Development Applications
1 31 (31.00%) Git (software)
2 16 (16.00%) Jenkins
3 10 (10.00%) Maven
4 8 (8.00%) Mockito
5 7 (7.00%) Gradle
6 5 (5.00%) Bitbucket
6 5 (5.00%) Cucumber
6 5 (5.00%) Gatling
6 5 (5.00%) Hudson
6 5 (5.00%) JIRA
6 5 (5.00%) Selenium
7 4 (4.00%) Artifactory
7 4 (4.00%) TeamCity
8 3 (3.00%) JUnit
9 2 (2.00%) GitLab
9 2 (2.00%) Pylint
9 2 (2.00%) Sourcetree
10 1 (1.00%) ER Studio
10 1 (1.00%) IBM UrbanCode
10 1 (1.00%) Spinnaker
General
1 38 (38.00%) Banking
2 29 (29.00%) Investment Banking
3 24 (24.00%) Finance
4 23 (23.00%) Front Office
5 6 (6.00%) Retail
6 3 (3.00%) French Language
7 2 (2.00%) Advertising
7 2 (2.00%) Manufacturing
7 2 (2.00%) Marketing
7 2 (2.00%) Military
8 1 (1.00%) Electronics
8 1 (1.00%) Financial Institution
8 1 (1.00%) Games
Job Titles
1 59 (59.00%) Developer
2 40 (40.00%) Java Developer
3 20 (20.00%) Senior Developer
4 13 (13.00%) Senior Java Developer
5 10 (10.00%) Data Engineer
6 7 (7.00%) Core Java Developer
6 7 (7.00%) DevOps Engineer
7 6 (6.00%) Azure Engineer
7 6 (6.00%) Java Engineer
8 5 (5.00%) .NET Developer
8 5 (5.00%) Python Developer
8 5 (5.00%) Scala Developer
9 4 (4.00%) Big Data Developer
9 4 (4.00%) Front Office Developer
9 4 (4.00%) Senior .NET Developer
10 3 (3.00%) Apache Spark Developer
10 3 (3.00%) Cloud Engineer
10 3 (3.00%) Java Pricing Developer
10 3 (3.00%) Machine Learning Engineer
10 3 (3.00%) Senior Scala Developer
Libraries, Frameworks & Software Standards
1 74 (74.00%) Kafka
2 22 (22.00%) Spring
3 13 (13.00%) Web Services
4 11 (11.00%) RESTful
5 9 (9.00%) REST
5 9 (9.00%) Spring Boot
6 8 (8.00%) .NET
6 8 (8.00%) Node.js
7 7 (7.00%) Spring MVC
8 6 (6.00%) Hibernate
8 6 (6.00%) JPA
8 6 (6.00%) JSON
8 6 (6.00%) React
8 6 (6.00%) Spark Streaming
8 6 (6.00%) Spring Security
9 5 (5.00%) Akka
9 5 (5.00%) AngularJS
9 5 (5.00%) Play Framework
9 5 (5.00%) spray
10 4 (4.00%) SOAP
Miscellaneous
1 15 (15.00%) Derivative
2 10 (10.00%) Analytical Skills
3 7 (7.00%) Data Structures
4 6 (6.00%) Management Information System
5 5 (5.00%) Equities
5 5 (5.00%) Foreign Exchange (FX)
6 4 (4.00%) Fixed Income
6 4 (4.00%) Public Cloud
7 3 (3.00%) Cloud Native
7 3 (3.00%) FMCG
7 3 (3.00%) Linux Command Line
8 2 (2.00%) Greenfield Project
8 2 (2.00%) User Experience
9 1 (1.00%) Algorithms
9 1 (1.00%) Clustering
9 1 (1.00%) Data Centre
9 1 (1.00%) Enterprise Software
9 1 (1.00%) Hybrid Cloud
9 1 (1.00%) Online Banking
9 1 (1.00%) Online Games
Operating Systems
1 26 (26.00%) Linux
2 11 (11.00%) Unix
3 2 (2.00%) Ubuntu
4 1 (1.00%) CentOS
4 1 (1.00%) Red Hat Enterprise Linux
4 1 (1.00%) Windows
Processes & Methodologies
1 58 (58.00%) Agile Software Development
2 50 (50.00%) Microservices
3 31 (31.00%) DevOps
4 21 (21.00%) Problem-Solving
4 21 (21.00%) TDD
5 14 (14.00%) Analytics
5 14 (14.00%) BDD
6 13 (13.00%) Continuous Integration
6 13 (13.00%) Unit Testing
7 12 (12.00%) Multithreading
8 11 (11.00%) ETL
9 10 (10.00%) Data Science
9 10 (10.00%) Scrum
10 9 (9.00%) Low Latency
10 9 (9.00%) Machine Learning
10 9 (9.00%) MVC
11 8 (8.00%) Electronic Trading
11 8 (8.00%) Mathematics
11 8 (8.00%) Open Source
11 8 (8.00%) Test Automation
Programming Languages
1 68 (68.00%) Java
2 29 (29.00%) Scala
3 27 (27.00%) Python
4 20 (20.00%) SQL
5 16 (16.00%) JavaScript
6 11 (11.00%) Java 8
7 6 (6.00%) C#
7 6 (6.00%) Go
8 5 (5.00%) Kotlin
9 4 (4.00%) Bash Shell
9 4 (4.00%) Clojure
9 4 (4.00%) Shell Script
10 3 (3.00%) ClojureScript
10 3 (3.00%) Perl
10 3 (3.00%) R
10 3 (3.00%) Ruby
10 3 (3.00%) TypeScript
11 2 (2.00%) C++
12 1 (1.00%) Groovy
12 1 (1.00%) PL/SQL
Qualifications
1 8 (8.00%) Degree
2 3 (3.00%) AWS Certification
2 3 (3.00%) Computer Science Degree
3 2 (2.00%) Master's Degree
Quality Assurance & Compliance
1 3 (3.00%) QA
2 2 (2.00%) PCI DSS
System Software
1 23 (23.00%) Docker
2 14 (14.00%) HDFS
3 5 (5.00%) Apache Flume
3 5 (5.00%) Apache ZooKeeper
Systems Management
1 32 (32.00%) Kubernetes
2 13 (13.00%) Ansible
3 11 (11.00%) Grafana
3 11 (11.00%) Terraform
4 8 (8.00%) Prometheus
5 6 (6.00%) Puppet
6 5 (5.00%) Opscode Chef
6 5 (5.00%) Rundeck
7 2 (2.00%) Mesos
7 2 (2.00%) Oozie
8 1 (1.00%) Nagios
8 1 (1.00%) Packer
8 1 (1.00%) Rancher
Vendors
1 18 (18.00%) Atlassian
2 12 (12.00%) Splunk
3 9 (9.00%) Oracle
4 6 (6.00%) MapR
5 5 (5.00%) Google
5 5 (5.00%) Microsoft
6 4 (4.00%) Ab Initio
6 4 (4.00%) Teradata
7 3 (3.00%) Dynatrace
7 3 (3.00%) Vertica
8 2 (2.00%) Cloudera
8 2 (2.00%) Databricks
8 2 (2.00%) Informatica
8 2 (2.00%) Red Hat
9 1 (1.00%) Black Duck
9 1 (1.00%) hybris
9 1 (1.00%) Netezza
9 1 (1.00%) Rackspace
9 1 (1.00%) Twitter
9 1 (1.00%) Xerox