Period
to 5 December 2020

The following table provides summary statistics for contract job vacancies advertised in the City of 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 December 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
Central London > City of London
6 months to
5 Dec 2020
Same period 2019 Same period 2018
Rank 115 183 173
Rank change year-on-year +68 -10 +15
Contract jobs citing Apache Cassandra 8 39 97
As % of all contract jobs advertised in the City of London 0.40% 0.68% 1.35%
As % of the Database & Business Intelligence category 1.66% 2.73% 5.32%
Number of daily rates quoted 7 32 88
Median daily rate £550 £575 £575
Median daily rate % change year-on-year -4.35% - -4.17%
10th Percentile £413 £463 £507
90th Percentile £625 £638 £713
Central London median daily rate £550 £565 £575
% change year-on-year -2.65% -1.74% -4.17%
Number of hourly rates quoted 1 0 0
Median hourly rate £35.00 - -
Central London median hourly rate £35.00 - -

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 the City of London with a requirement for database or business intelligence skills.

All Database and Business Intelligence Skills
City of London
Contract vacancies with a requirement for database or business intelligence skills 482 1,430 1,825
As % of all contract IT jobs advertised in the City of London 24.16% 24.87% 25.49%
Number of daily rates quoted 339 1,130 1,462
Median daily rate £525 £525 £525
10th Percentile £349 £388 £375
90th Percentile £688 £675 £675
Central London median daily rate £525 £520 £525
% change year-on-year +0.96% -0.95% +0.96%
Number of hourly rates quoted 5 4 11
Median hourly rate £35.00 £37.17 £35.00
Median hourly rate % change year-on-year -5.83% +6.19% +27.27%
10th Percentile £20.80 £21.19 £19.50
90th Percentile £38.85 £91.90 £42.19
Median hourly rate £35.00 £35.00 £35.00

Apache Cassandra
Job Vacancy Trend in the City of London

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

Job vacancy trend for Apache Cassandra in the City of London

Apache Cassandra
Contractor Daily Rate Trend in the City of London

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

Daily rate trend for Apache Cassandra in the City of London

Apache Cassandra
Daily Rate Histogram in the City of London

Daily rate distribution for jobs citing Apache Cassandra in the City of London over the 6 months to 5 December 2020.

Daily rate histogram for Apache Cassandra in the City of London

For the 6 months to 5 December 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 City of London region with a requirement for Apache Cassandra.

1 8 (100.00%) Kubernetes
2 7 (87.50%) Kafka
3 6 (75.00%) Java
4 5 (62.50%) Microservices
4 5 (62.50%) Spring Boot
4 5 (62.50%) Java 8
5 4 (50.00%) Agile Software Development
5 4 (50.00%) Finance
6 3 (37.50%) TDD
6 3 (37.50%) Python
6 3 (37.50%) Docker
6 3 (37.50%) AWS
7 2 (25.00%) ATDD
7 2 (25.00%) Bash Shell
7 2 (25.00%) Cucumber
7 2 (25.00%) Puppet
7 2 (25.00%) NoSQL
7 2 (25.00%) Hudson
7 2 (25.00%) Amazon EC2
7 2 (25.00%) Azure
7 2 (25.00%) Unit Testing
7 2 (25.00%) Continuous Integration
7 2 (25.00%) zsh
7 2 (25.00%) DevOps
7 2 (25.00%) SaltStack
7 2 (25.00%) Salt
7 2 (25.00%) Apache Avro
7 2 (25.00%) Jenkins
7 2 (25.00%) Go
7 2 (25.00%) DSL

Apache Cassandra
Co-occurring IT Skills in the City of 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 1 (12.50%) nginx
Cloud Services
1 3 (37.50%) AWS
2 2 (25.00%) Amazon EC2
2 2 (25.00%) Azure
3 1 (12.50%) Apigee
Communications & Networking
1 2 (25.00%) DSL
2 1 (12.50%) DNS
2 1 (12.50%) Firewall
2 1 (12.50%) Internet
Database & Business Intelligence
1 2 (25.00%) Amazon Aurora
1 2 (25.00%) MySQL
1 2 (25.00%) NoSQL
Development Applications
1 2 (25.00%) Cucumber
1 2 (25.00%) Hudson
1 2 (25.00%) Jenkins
1 2 (25.00%) Liquibase
1 2 (25.00%) Maven
1 2 (25.00%) Selenium
General
1 4 (50.00%) Finance
2 2 (25.00%) Banking
3 1 (12.50%) Front Office
Job Titles
1 6 (75.00%) Developer
2 3 (37.50%) Java Developer
3 2 (25.00%) AWS Developer
3 2 (25.00%) DevOps Engineer
4 1 (12.50%) Backend Developer
4 1 (12.50%) Java Developer - Fintech
4 1 (12.50%) Software Developer
Libraries, Frameworks & Software Standards
1 7 (87.50%) Kafka
2 5 (62.50%) Spring Boot
3 2 (25.00%) Apache Avro
3 2 (25.00%) Hibernate
3 2 (25.00%) Spring
3 2 (25.00%) Spring Security
4 1 (12.50%) .NET
4 1 (12.50%) AngularJS
4 1 (12.50%) J2EE
4 1 (12.50%) JSON
4 1 (12.50%) Node.js
4 1 (12.50%) REST
4 1 (12.50%) SOAP
4 1 (12.50%) Web Services
4 1 (12.50%) XML
4 1 (12.50%) XSLT
Miscellaneous
1 1 (12.50%) Algorithms
1 1 (12.50%) Analytical Skills
1 1 (12.50%) Data Structures
1 1 (12.50%) Derivative
1 1 (12.50%) Enterprise Software
1 1 (12.50%) Equities
1 1 (12.50%) Foreign Exchange (FX)
1 1 (12.50%) Linux Command Line
1 1 (12.50%) Public Cloud
Operating Systems
1 1 (12.50%) Linux
Processes & Methodologies
1 5 (62.50%) Microservices
2 4 (50.00%) Agile Software Development
3 3 (37.50%) TDD
4 2 (25.00%) API Development
4 2 (25.00%) ATDD
4 2 (25.00%) Continuous Delivery
4 2 (25.00%) Continuous Integration
4 2 (25.00%) Deployment Automation
4 2 (25.00%) DevOps
4 2 (25.00%) Infrastructure as Code
4 2 (25.00%) Unit Testing
5 1 (12.50%) BDD
5 1 (12.50%) Digital Transformation Programme
5 1 (12.50%) Fintech
5 1 (12.50%) Load Balancing
5 1 (12.50%) Low Latency
5 1 (12.50%) Open Source
5 1 (12.50%) Problem-Solving
5 1 (12.50%) Software Engineering
5 1 (12.50%) User Stories
Programming Languages
1 6 (75.00%) Java
2 5 (62.50%) Java 8
3 3 (37.50%) Python
4 2 (25.00%) Bash Shell
4 2 (25.00%) Go
5 1 (12.50%) JavaScript
5 1 (12.50%) Scala
5 1 (12.50%) TypeScript
System Software
1 3 (37.50%) Docker
2 2 (25.00%) zsh
Systems Management
1 8 (100.00%) Kubernetes
2 2 (25.00%) Ansible
2 2 (25.00%) Puppet
2 2 (25.00%) Rundeck
2 2 (25.00%) Salt
2 2 (25.00%) Terraform
Vendors
1 2 (25.00%) SaltStack
2 1 (12.50%) Atlassian
2 1 (12.50%) Dynatrace
2 1 (12.50%) Microsoft
2 1 (12.50%) Splunk