Period
to 26 February 2020

The following table provides summary statistics for contract job vacancies advertised in Central 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 26 February 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
London > Central London
6 months to
26 Feb 2020
Same period 2019 Same period 2018
Rank 185 179 206
Rank change year-on-year -6 +27 -58
Contract jobs citing Apache Cassandra 36 114 84
As % of all contract IT jobs advertised in Central London 0.61% 1.27% 0.94%
As % of the Database & Business Intelligence category 2.60% 5.26% 3.85%
Number of daily rates quoted 28 89 78
Central London median daily rate £531 £575 £538
Median daily rate % change year-on-year -7.61% +6.98% -2.27%
10th Percentile £439 £509 £461
90th Percentile £660 £715 £681
London median daily rate £550 £575 £550
% change year-on-year -4.35% +4.55% -
Number of hourly rates quoted 0 0 0
Central London median hourly rate - - -
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 Central London with a requirement for database or business intelligence skills.

All Database and Business Intelligence Skills
Central London
Contract vacancies with a requirement for database or business intelligence skills 1,383 2,166 2,184
As % of all contract IT jobs advertised in Central London 23.46% 24.11% 24.42%
Number of daily rates quoted 1,045 1,692 1,833
Central London median daily rate £500 £525 £513
Median daily rate % change year-on-year -4.76% +2.44% +7.89%
10th Percentile £363 £375 £363
90th Percentile £663 £675 £675
London median daily rate £525 £525 £503
% change year-on-year - +4.48% +5.79%
Number of hourly rates quoted 9 7 11
Central London median hourly rate £35.00 £37.09 £27.50
Median hourly rate % change year-on-year -5.63% +34.87% -18.32%
10th Percentile £23.83 £20.75 £20.75
90th Percentile £35.85 £65.61 £38.75
London median hourly rate £35.00 £30.00 £27.50
% change year-on-year +16.67% +9.09% -15.38%

Apache Cassandra
Job Vacancy Trend in Central London

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

Job vacancy trend for Apache Cassandra in Central London

Apache Cassandra
Contractor Daily Rate Trend in Central London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Apache Cassandra in Central London.

Contractor daily rate trend for Apache Cassandra in Central London

Apache Cassandra
Contractor Daily Rate Histogram in Central London

The daily rate distribution of IT jobs citing Apache Cassandra in Central London over the 6 months to 26 February 2020.

Contractor daily rate histogram for Apache Cassandra in Central London

Apache Cassandra
Contract Job Locations in Central 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 Central London region over the 6 months to 26 February 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
City of London +5 29 £525 -8.70% 23
West End of London +33 1 £538 -4.44%
City of Westminster +6 1 £675 -
Apache Cassandra
London

For the 6 months to 26 February 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 Central London region with a requirement for Apache Cassandra.

1 25 (69.44%) Kafka
2 22 (61.11%) Java
3 18 (50.00%) Python
4 16 (44.44%) NoSQL
4 16 (44.44%) Microservices
5 15 (41.67%) Apache Spark
6 13 (36.11%) Scala
7 12 (33.33%) SQL
7 12 (33.33%) Kubernetes
8 11 (30.56%) Finance
8 11 (30.56%) Agile Software Development
8 11 (30.56%) AWS
9 10 (27.78%) TDD
9 10 (27.78%) DevOps
10 9 (25.00%) MongoDB
10 9 (25.00%) REST
11 8 (22.22%) Big Data
11 8 (22.22%) AngularJS
11 8 (22.22%) Analytics
11 8 (22.22%) Banking
11 8 (22.22%) Jenkins
11 8 (22.22%) Docker
12 7 (19.44%) Relational Database
12 7 (19.44%) Spring
12 7 (19.44%) HTML
12 7 (19.44%) Web Services
12 7 (19.44%) Machine Learning
12 7 (19.44%) Node.js
12 7 (19.44%) Git (software)
13 6 (16.67%) RESTful

Apache Cassandra
Co-occurring IT Skills in Central 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 15 (41.67%) Apache Spark
2 4 (11.11%) Apache Airflow
2 4 (11.11%) Elasticsearch
3 3 (8.33%) Luigi
4 2 (5.56%) Apache
4 2 (5.56%) JBoss
5 1 (2.78%) Apache Pig
5 1 (2.78%) Oracle Workflow
Cloud Services
1 11 (30.56%) AWS
2 6 (16.67%) Azure
3 3 (8.33%) AWS IoT
3 3 (8.33%) GCP
4 2 (5.56%) Amazon Kinesis
4 2 (5.56%) GitHub
4 2 (5.56%) OpenShift
5 1 (2.78%) Amazon EKS
5 1 (2.78%) Amazon S3
5 1 (2.78%) Amazon SQS
5 1 (2.78%) AWS CodePipeline
5 1 (2.78%) SaaS
Communications & Networking
1 2 (5.56%) AMQP
2 1 (2.78%) DHCP
2 1 (2.78%) DOCSIS
2 1 (2.78%) HTTP
2 1 (2.78%) Internet
2 1 (2.78%) MQTT
2 1 (2.78%) SNMP
Database & Business Intelligence
1 16 (44.44%) NoSQL
2 9 (25.00%) MongoDB
3 8 (22.22%) Big Data
4 7 (19.44%) Relational Database
5 6 (16.67%) PostgreSQL
6 5 (13.89%) Hadoop
6 5 (13.89%) HBase
7 4 (11.11%) DB2
7 4 (11.11%) InfluxDB
8 3 (8.33%) Azkaban
8 3 (8.33%) Flink
8 3 (8.33%) MySQL
9 2 (5.56%) Amazon Aurora
9 2 (5.56%) Data Lake
10 1 (2.78%) Aerospike
10 1 (2.78%) Amazon DynamoDB
10 1 (2.78%) Amazon Redshift
10 1 (2.78%) FoundationDB
10 1 (2.78%) Presto
10 1 (2.78%) Redis
Development Applications
1 8 (22.22%) Jenkins
2 7 (19.44%) Git (software)
3 3 (8.33%) Maven
4 1 (2.78%) IBM UrbanCode
4 1 (2.78%) Liquibase
4 1 (2.78%) SonarQube
4 1 (2.78%) Sonatype Nexus
4 1 (2.78%) Spinnaker
General
1 11 (30.56%) Finance
2 8 (22.22%) Banking
3 3 (8.33%) Advertising
4 1 (2.78%) Financial Institution
4 1 (2.78%) Front Office
4 1 (2.78%) Investment Banking
4 1 (2.78%) Marketing
Job Titles
1 14 (38.89%) Developer
2 8 (22.22%) Data Engineer
3 7 (19.44%) Senior Developer
4 5 (13.89%) Architect
4 5 (13.89%) Scala Developer
5 4 (11.11%) DevOps Engineer
5 4 (11.11%) Full Stack Developer
5 4 (11.11%) Java Developer
6 3 (8.33%) Lead Architect
6 3 (8.33%) Platform Architect
6 3 (8.33%) Senior Scala Developer
7 2 (5.56%) AWS Architect
7 2 (5.56%) AWS DevOps
7 2 (5.56%) Big Data Engineer
7 2 (5.56%) DevOps Architect
7 2 (5.56%) NoSQL Engineer
8 1 (2.78%) Angular Developer
8 1 (2.78%) AWS Administrator
8 1 (2.78%) Commodities Java Developer
8 1 (2.78%) Java Pricing Developer
Libraries, Frameworks & Software Standards
1 25 (69.44%) Kafka
2 9 (25.00%) REST
3 8 (22.22%) AngularJS
4 7 (19.44%) HTML
4 7 (19.44%) Node.js
4 7 (19.44%) Spring
4 7 (19.44%) Web Services
5 6 (16.67%) HTML5
5 6 (16.67%) RESTful
5 6 (16.67%) Spark Streaming
5 6 (16.67%) Spring Boot
6 4 (11.11%) CSS
6 4 (11.11%) Hibernate
6 4 (11.11%) React
7 3 (8.33%) Backbone.js
7 3 (8.33%) CSS3
7 3 (8.33%) Elastic Stack
7 3 (8.33%) Ember.js
7 3 (8.33%) jQuery
7 3 (8.33%) Twitter Bootstrap
Miscellaneous
1 6 (16.67%) Greenfield Project
2 3 (8.33%) Data Structures
2 3 (8.33%) Tandem
3 2 (5.56%) Analytical Skills
4 1 (2.78%) Algorithms
4 1 (2.78%) Credit Risk
4 1 (2.78%) Enterprise Software
4 1 (2.78%) Equities
4 1 (2.78%) Hedge funds
4 1 (2.78%) Internet of Things
4 1 (2.78%) iPad
4 1 (2.78%) Public Cloud
4 1 (2.78%) SWIFT
Operating Systems
1 5 (13.89%) Linux
2 4 (11.11%) Windows
Processes & Methodologies
1 16 (44.44%) Microservices
2 11 (30.56%) Agile Software Development
3 10 (27.78%) DevOps
3 10 (27.78%) TDD
4 8 (22.22%) Analytics
5 7 (19.44%) Machine Learning
6 6 (16.67%) Continuous Delivery
6 6 (16.67%) Data Science
6 6 (16.67%) OO
6 6 (16.67%) Use Case
7 5 (13.89%) BDD
7 5 (13.89%) Scrum
8 4 (11.11%) Computer Science
8 4 (11.11%) Kanban
8 4 (11.11%) Migration
8 4 (11.11%) OOP
8 4 (11.11%) SOA
8 4 (11.11%) Workflow
9 3 (8.33%) Artificial Intelligence
9 3 (8.33%) Web Development
Programming Languages
1 22 (61.11%) Java
2 18 (50.00%) Python
3 13 (36.11%) Scala
4 12 (33.33%) SQL
5 6 (16.67%) C++
5 6 (16.67%) JavaScript
6 3 (8.33%) AWK
6 3 (8.33%) C
6 3 (8.33%) Ruby
6 3 (8.33%) sed
6 3 (8.33%) TypeScript
7 2 (5.56%) C#
7 2 (5.56%) Go
8 1 (2.78%) Bash Shell
8 1 (2.78%) Clojure
8 1 (2.78%) ClojureScript
8 1 (2.78%) Kotlin
8 1 (2.78%) R
Qualifications
1 5 (13.89%) Degree
2 1 (2.78%) Computer Science Degree
2 1 (2.78%) Security Cleared
System Software
1 8 (22.22%) Docker
2 1 (2.78%) Apache Flume
2 1 (2.78%) HDFS
2 1 (2.78%) zsh
Systems Management
1 12 (33.33%) Kubernetes
2 5 (13.89%) Ansible
3 4 (11.11%) Terraform
4 3 (8.33%) Graphite
4 3 (8.33%) Kibana
4 3 (8.33%) logstash
5 2 (5.56%) Opscode Chef
5 2 (5.56%) Puppet
5 2 (5.56%) Salt
6 1 (2.78%) Consul
Vendors
1 5 (13.89%) Google
2 4 (11.11%) Facebook
3 3 (8.33%) Criteo
3 3 (8.33%) IBM
4 2 (5.56%) SaltStack
5 1 (2.78%) ForgeRock
5 1 (2.78%) Gemalto
5 1 (2.78%) Greenplum
5 1 (2.78%) Microsoft
5 1 (2.78%) Nokia
5 1 (2.78%) Oracle
5 1 (2.78%) Sybase