Period
to 29 March 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 29 March 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
29 Mar 2020
Same period 2019 Same period 2018
Rank 156 152 198
Rank change year-on-year -4 +46 -63
Contract jobs citing Apache Cassandra 27 93 61
As % of all contract jobs advertised in the City of London 0.63% 1.37% 0.86%
As % of the Database & Business Intelligence category 2.72% 5.39% 3.47%
Number of daily rates quoted 21 76 53
Median daily rate £550 £575 £550
Median daily rate % change year-on-year -4.35% +4.55% -
10th Percentile £413 £519 £467
90th Percentile £650 £725 £675
Central London median daily rate £550 £575 £513
% change year-on-year -4.35% +12.20% -6.82%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
Central London median hourly rate - - -

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 992 1,724 1,757
As % of all contract IT jobs advertised in the City of London 23.07% 25.32% 24.78%
Number of daily rates quoted 750 1,370 1,482
Median daily rate £500 £528 £525
Median daily rate % change year-on-year -5.21% +0.48% +5.00%
10th Percentile £363 £400 £363
90th Percentile £675 £675 £688
Central London median daily rate £500 £525 £513
% change year-on-year -4.76% +2.44% +7.89%
Number of hourly rates quoted 6 5 9
Median hourly rate £35.00 £35.00 £22.50
Median hourly rate % change year-on-year - +55.56% +0.74%
10th Percentile £24.50 £32.50 £20.06
90th Percentile £37.13 £56.50 £38.41
Median hourly rate £35.00 £35.00 £27.50
% change year-on-year - +27.27% +23.13%

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 29 March 2020.

Daily rate histogram for Apache Cassandra in the City of London

Apache Cassandra
Contract Job Locations in the City of 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 City of London region over the 6 months to 29 March 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
Moorgate - 2 £625 -
Apache Cassandra
Central London

For the 6 months to 29 March 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 23 (85.19%) Kafka
2 17 (62.96%) Java
3 13 (48.15%) NoSQL
4 12 (44.44%) Python
5 11 (40.74%) Scala
6 10 (37.04%) Microservices
7 9 (33.33%) Apache Spark
7 9 (33.33%) DevOps
7 9 (33.33%) Kubernetes
8 8 (29.63%) AWS
9 7 (25.93%) Docker
9 7 (25.93%) Finance
9 7 (25.93%) Agile Software Development
10 6 (22.22%) Banking
10 6 (22.22%) Software Engineering
10 6 (22.22%) SQL
10 6 (22.22%) Jenkins
10 6 (22.22%) Spring Boot
10 6 (22.22%) Data Science
11 5 (18.52%) Greenfield Project
11 5 (18.52%) Analytics
11 5 (18.52%) Big Data
11 5 (18.52%) Git (software)
11 5 (18.52%) REST
11 5 (18.52%) Azure
11 5 (18.52%) MongoDB
11 5 (18.52%) Spring
11 5 (18.52%) TDD
12 4 (14.81%) Scrum
12 4 (14.81%) PostgreSQL

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 9 (33.33%) Apache Spark
2 4 (14.81%) Apache Airflow
2 4 (14.81%) Elasticsearch
3 3 (11.11%) Luigi
4 1 (3.70%) Apache
4 1 (3.70%) Apache Pig
4 1 (3.70%) JBoss
4 1 (3.70%) Oracle Workflow
Cloud Services
1 8 (29.63%) AWS
2 5 (18.52%) Azure
3 4 (14.81%) GCP
4 3 (11.11%) GitHub
5 2 (7.41%) Amazon EKS
5 2 (7.41%) Amazon Kinesis
5 2 (7.41%) OpenShift
5 2 (7.41%) SaaS
6 1 (3.70%) Amazon SQS
6 1 (3.70%) AWS CodePipeline
6 1 (3.70%) AWS IoT
Communications & Networking
1 3 (11.11%) DSL
2 2 (7.41%) AMQP
3 1 (3.70%) DHCP
3 1 (3.70%) DOCSIS
3 1 (3.70%) HTTP
3 1 (3.70%) Internet
3 1 (3.70%) MQTT
3 1 (3.70%) SNMP
Database & Business Intelligence
1 13 (48.15%) NoSQL
2 5 (18.52%) Big Data
2 5 (18.52%) MongoDB
3 4 (14.81%) Hadoop
3 4 (14.81%) PostgreSQL
3 4 (14.81%) Relational Database
4 3 (11.11%) Azkaban
4 3 (11.11%) Flink
5 2 (7.41%) Amazon Aurora
5 2 (7.41%) Data Lake
5 2 (7.41%) DB2
5 2 (7.41%) HBase
5 2 (7.41%) MySQL
6 1 (3.70%) Amazon DynamoDB
6 1 (3.70%) Amazon RDS
6 1 (3.70%) Apache Hive
6 1 (3.70%) Data Warehouse
6 1 (3.70%) RDBMS
6 1 (3.70%) Redis
6 1 (3.70%) Scylla
Development Applications
1 6 (22.22%) Jenkins
2 5 (18.52%) Git (software)
3 3 (11.11%) Maven
4 2 (7.41%) SonarQube
4 2 (7.41%) Sonatype Nexus
4 2 (7.41%) Spinnaker
5 1 (3.70%) IBM UrbanCode
5 1 (3.70%) Liquibase
General
1 7 (25.93%) Finance
2 6 (22.22%) Banking
3 1 (3.70%) Advertising
3 1 (3.70%) Investment Banking
Job Titles
1 10 (37.04%) Developer
2 6 (22.22%) Data Engineer
2 6 (22.22%) Senior Developer
3 4 (14.81%) DevOps Engineer
4 3 (11.11%) Java Developer
5 2 (7.41%) Architect
5 2 (7.41%) AWS DevOps
5 2 (7.41%) AWS DevOps Engineer
5 2 (7.41%) AWS Engineer
5 2 (7.41%) Cloud Engineer
5 2 (7.41%) Scala Developer
5 2 (7.41%) Senior Scala Developer
5 2 (7.41%) Software Engineer
6 1 (3.70%) AWS Architect
6 1 (3.70%) Azure DevOps Engineer
6 1 (3.70%) Azure Engineer
6 1 (3.70%) Commodities Java Developer
6 1 (3.70%) Java Pricing Developer
6 1 (3.70%) Pricing Developer
6 1 (3.70%) Python Engineer
Libraries, Frameworks & Software Standards
1 23 (85.19%) Kafka
2 6 (22.22%) Spring Boot
3 5 (18.52%) REST
3 5 (18.52%) Spring
4 4 (14.81%) HTML
4 4 (14.81%) HTML5
4 4 (14.81%) Spark Streaming
5 3 (11.11%) AngularJS
5 3 (11.11%) Apache Avro
5 3 (11.11%) Elastic Stack
5 3 (11.11%) Node.js
5 3 (11.11%) RESTful
6 2 (7.41%) .NET
6 2 (7.41%) CSS
6 2 (7.41%) CSS3
6 2 (7.41%) Hibernate
6 2 (7.41%) Web Services
7 1 (3.70%) JMS
7 1 (3.70%) SOAP
7 1 (3.70%) WebSockets
Miscellaneous
1 5 (18.52%) Greenfield Project
2 3 (11.11%) Data Structures
3 2 (7.41%) Analytical Skills
4 1 (3.70%) Algorithms
4 1 (3.70%) Credit Risk
4 1 (3.70%) Internet of Things
4 1 (3.70%) iPad
4 1 (3.70%) Tandem
Operating Systems
1 3 (11.11%) Linux
2 2 (7.41%) Windows
Processes & Methodologies
1 10 (37.04%) Microservices
2 9 (33.33%) DevOps
3 7 (25.93%) Agile Software Development
4 6 (22.22%) Data Science
4 6 (22.22%) Software Engineering
5 5 (18.52%) Analytics
5 5 (18.52%) TDD
6 4 (14.81%) Machine Learning
6 4 (14.81%) OO
6 4 (14.81%) Scrum
6 4 (14.81%) Use Case
6 4 (14.81%) Workflow
7 3 (11.11%) BDD
7 3 (11.11%) Customer Acquisition
7 3 (11.11%) Data Extraction
7 3 (11.11%) Migration
7 3 (11.11%) Process Improvement
7 3 (11.11%) Root Cause Analysis
7 3 (11.11%) Service Delivery
7 3 (11.11%) Workflow Management
Programming Languages
1 17 (62.96%) Java
2 12 (44.44%) Python
3 11 (40.74%) Scala
4 6 (22.22%) SQL
5 4 (14.81%) C++
6 3 (11.11%) AWK
6 3 (11.11%) JavaScript
6 3 (11.11%) sed
7 2 (7.41%) C#
7 2 (7.41%) Java 8
8 1 (3.70%) Bash Shell
8 1 (3.70%) C
8 1 (3.70%) Go
8 1 (3.70%) Ruby
8 1 (3.70%) TypeScript
Qualifications
1 3 (11.11%) Degree
2 1 (3.70%) Computer Science Degree
System Software
1 7 (25.93%) Docker
2 1 (3.70%) Apache Flume
2 1 (3.70%) HDFS
2 1 (3.70%) zsh
Systems Management
1 9 (33.33%) Kubernetes
2 4 (14.81%) Ansible
3 3 (11.11%) Kibana
3 3 (11.11%) logstash
3 3 (11.11%) Terraform
4 1 (3.70%) Graphite
4 1 (3.70%) Opscode Chef
4 1 (3.70%) Puppet
4 1 (3.70%) Salt
Vendors
1 3 (11.11%) Google
2 2 (7.41%) Microsoft
2 2 (7.41%) Oracle
3 1 (3.70%) Criteo
3 1 (3.70%) Facebook
3 1 (3.70%) ForgeRock
3 1 (3.70%) Gemalto
3 1 (3.70%) IBM
3 1 (3.70%) Nokia
3 1 (3.70%) SaltStack