Period
to 22 July 2019

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 22 July 2019 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
22 Jul 2019
Same period 2018 Same period 2017
Rank 186 175 150
Rank change year-on-year -11 -25 -17
Contract jobs citing Apache Cassandra 59 81 93
As % of all contract IT jobs advertised in the City of London 0.89% 1.15% 1.43%
As % of the Database & Business Intelligence category 3.32% 4.52% 5.56%
Number of daily rates quoted 49 60 84
City of London median daily rate £575 £550 £565
Median daily rate % change year-on-year +4.55% -2.65% +7.62%
10th Percentile £473 £465 £513
90th Percentile £655 £713 £675
Central London median daily rate £575 £550 £550
% change year-on-year +4.55% - +4.76%
Number of hourly rates quoted 0 0 0
City of London 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 1,778 1,791 1,674
As % of all contract IT jobs advertised in the City of London 26.90% 25.51% 25.76%
Number of daily rates quoted 1,403 1,439 1,307
City of London median daily rate £525 £525 £513
Median daily rate % change year-on-year - +2.44% +7.89%
10th Percentile £400 £363 £350
90th Percentile £675 £688 £675
Central London median daily rate £525 £525 £500
% change year-on-year - +5.00% +6.10%
Number of hourly rates quoted 11 14 6
City of London median hourly rate £44.57 £21.75 £21.92
Median hourly rate % change year-on-year +104.90% -0.76% +15.36%
10th Percentile £22.25 £17.96 £20.75
90th Percentile £60.75 £33.00 £27.74
Central London median hourly rate £35.00 £22.00 £21.92
% change year-on-year +59.09% +0.38% +15.36%

Apache Cassandra
Job Vacancy Trend in the City of London

Job postings citing Apache Cassandra as a percentage 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

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

Contractor daily rate trend for Apache Cassandra in the City of London

Apache Cassandra
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing Apache Cassandra in the City of London over the 6 months to 22 July 2019.

Contractor 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 22 July 2019. 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
London Bridge - 9 £575 -
Apache Cassandra
Central London

For the 6 months to 22 July 2019, 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 41 (69.49%) Java
2 36 (61.02%) Agile Software Development
3 35 (59.32%) Amazon AWS
3 35 (59.32%) Docker
4 33 (55.93%) Microservices
5 32 (54.24%) NoSQL
5 32 (54.24%) Kafka
6 27 (45.76%) Kubernetes
7 25 (42.37%) DevOps
7 25 (42.37%) TDD
8 21 (35.59%) Redis
9 19 (32.20%) MongoDB
10 18 (30.51%) Spring
11 15 (25.42%) Scala
11 15 (25.42%) Spring Boot
12 14 (23.73%) Finance
12 14 (23.73%) Java 8
13 13 (22.03%) Maven
13 13 (22.03%) Terraform
14 12 (20.34%) Apache Spark
14 12 (20.34%) Big Data
14 12 (20.34%) REST
14 12 (20.34%) Pair Programming
14 12 (20.34%) Git (software)
14 12 (20.34%) RESTful
14 12 (20.34%) Continuous Integration
15 11 (18.64%) Hibernate
16 10 (16.95%) Python
16 10 (16.95%) Continuous Delivery
17 9 (15.25%) React

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 12 (20.34%) Apache Spark
2 7 (11.86%) Elasticsearch
3 6 (10.17%) Apache Solr
4 3 (5.08%) Apache
5 2 (3.39%) Apache Airflow
5 2 (3.39%) JBoss
5 2 (3.39%) Luigi
6 1 (1.69%) Apache Pig
6 1 (1.69%) OpenStack
Applications
1 1 (1.69%) Microsoft Excel
Cloud Services
1 35 (59.32%) Amazon AWS
2 5 (8.47%) Microsoft Azure
3 4 (6.78%) Amazon Kinesis
4 3 (5.08%) Google Cloud Platform
4 3 (5.08%) OpenShift
5 2 (3.39%) Amazon ECS
5 2 (3.39%) Datadog
6 1 (1.69%) Amazon EC2
6 1 (1.69%) Amazon S3
6 1 (1.69%) GitHub
6 1 (1.69%) PaaS
6 1 (1.69%) Power Platform
Database & Business Intelligence
1 32 (54.24%) NoSQL
2 21 (35.59%) Redis
3 19 (32.20%) MongoDB
4 12 (20.34%) Big Data
5 9 (15.25%) Riak
6 8 (13.56%) Relational Database
7 6 (10.17%) Hadoop
8 5 (8.47%) Amazon DynamoDB
8 5 (8.47%) HBase
9 4 (6.78%) RDBMS
10 3 (5.08%) InfluxDB
10 3 (5.08%) MySQL
10 3 (5.08%) PostgreSQL
11 2 (3.39%) Azkaban
11 2 (3.39%) CouchDB
11 2 (3.39%) SQL Server
12 1 (1.69%) Apache Hive
12 1 (1.69%) BigQuery
12 1 (1.69%) Power BI
12 1 (1.69%) Spotfire
Development Applications
1 13 (22.03%) Maven
2 12 (20.34%) Git (software)
3 7 (11.86%) Jenkins
4 4 (6.78%) Visual Studio Team System
5 3 (5.08%) JUnit
6 2 (3.39%) Gradle
6 2 (3.39%) JIRA
6 2 (3.39%) Octopus Deploy
6 2 (3.39%) Team Foundation Server
7 1 (1.69%) CircleCI
7 1 (1.69%) GitLab
7 1 (1.69%) Jasmine
7 1 (1.69%) Karma Test Runner
7 1 (1.69%) Mockito
7 1 (1.69%) NUnit
7 1 (1.69%) SpecFlow
7 1 (1.69%) Spock
7 1 (1.69%) Visual Studio
General
1 14 (23.73%) Finance
2 7 (11.86%) Banking
3 2 (3.39%) Advertising
3 2 (3.39%) Front Office
3 2 (3.39%) Games
4 1 (1.69%) Back Office
4 1 (1.69%) Investment Banking
4 1 (1.69%) Prime Brokerage
4 1 (1.69%) Telecoms
Job Titles
1 35 (59.32%) Developer
2 28 (47.46%) Java Developer
3 16 (27.12%) Senior Developer
4 12 (20.34%) Senior Java Developer
5 8 (13.56%) Data Engineer
6 4 (6.78%) AWS Developer
6 4 (6.78%) DevOps Engineer
6 4 (6.78%) Full Stack Developer
6 4 (6.78%) Scala Developer
6 4 (6.78%) Senior Scala Developer
7 3 (5.08%) Java Engineer
8 2 (3.39%) Architect
8 2 (3.39%) Cassandra Developer
8 2 (3.39%) Java Software Engineer
8 2 (3.39%) Kubernetes Engineer
8 2 (3.39%) NoSQL Engineer
8 2 (3.39%) Python Engineer
8 2 (3.39%) Software Engineer
9 1 (1.69%) Agile Developer
9 1 (1.69%) React Developer
Libraries, Frameworks & Software Standards
1 32 (54.24%) Kafka
2 18 (30.51%) Spring
3 15 (25.42%) Spring Boot
4 12 (20.34%) REST
4 12 (20.34%) RESTful
5 11 (18.64%) Hibernate
6 9 (15.25%) React
7 8 (13.56%) RabbitMQ
8 7 (11.86%) Node.js
9 6 (10.17%) Web Services
10 5 (8.47%) .NET
11 3 (5.08%) CSS
11 3 (5.08%) CSS3
11 3 (5.08%) FIX Protocol
11 3 (5.08%) HTML
11 3 (5.08%) HTML5
11 3 (5.08%) Swagger
12 2 (3.39%) GraphQL
12 2 (3.39%) React Native
12 2 (3.39%) Spark Streaming
Miscellaneous
1 5 (8.47%) Greenfield Project
2 3 (5.08%) Algorithms
2 3 (5.08%) Enterprise Software
2 3 (5.08%) User Experience
3 2 (3.39%) Analytical Skills
3 2 (3.39%) Data Structures
3 2 (3.39%) Mobile App
3 2 (3.39%) Wiki
4 1 (1.69%) Derivative
4 1 (1.69%) Fixed Income
4 1 (1.69%) Foreign Exchange (FX)
4 1 (1.69%) OTC Derivatives
4 1 (1.69%) Self-Motivation
4 1 (1.69%) SWIFT
Operating Systems
1 3 (5.08%) Linux
2 2 (3.39%) Android
2 2 (3.39%) Apple iOS
Processes & Methodologies
1 36 (61.02%) Agile Software Development
2 33 (55.93%) Microservices
3 25 (42.37%) DevOps
3 25 (42.37%) TDD
4 12 (20.34%) Continuous Integration
4 12 (20.34%) Pair Programming
5 10 (16.95%) Continuous Delivery
6 9 (15.25%) Scrum
7 8 (13.56%) BDD
7 8 (13.56%) Kanban
8 7 (11.86%) Test Automation
8 7 (11.86%) Unit Testing
9 6 (10.17%) Analytics
9 6 (10.17%) Data Science
10 5 (8.47%) Computer Science
10 5 (8.47%) Infrastructure as Code
10 5 (8.47%) Open Source
10 5 (8.47%) Problem-Solving
11 4 (6.78%) OO
11 4 (6.78%) OOP
Programming Languages
1 41 (69.49%) Java
2 15 (25.42%) Scala
3 14 (23.73%) Java 8
4 10 (16.95%) Python
5 8 (13.56%) JavaScript
6 5 (8.47%) SQL
7 4 (6.78%) C#
8 3 (5.08%) Go
9 2 (3.39%) AWK
9 2 (3.39%) Bash Shell
9 2 (3.39%) C++
9 2 (3.39%) sed
9 2 (3.39%) TypeScript
10 1 (1.69%) Clojure
10 1 (1.69%) ClojureScript
10 1 (1.69%) Kotlin
10 1 (1.69%) PowerShell
10 1 (1.69%) Ruby
10 1 (1.69%) VBA
Qualifications
1 5 (8.47%) Degree
2 2 (3.39%) Master's Degree
3 1 (1.69%) Numerate Degree
Quality Assurance & Compliance
1 1 (1.69%) QA
System Software
1 35 (59.32%) Docker
2 2 (3.39%) Apache ZooKeeper
2 2 (3.39%) Oracle RAC
3 1 (1.69%) Apache Flume
3 1 (1.69%) HDFS
Systems Management
1 27 (45.76%) Kubernetes
2 13 (22.03%) Terraform
3 8 (13.56%) Ansible
4 3 (5.08%) Consul
5 2 (3.39%) Grafana
5 2 (3.39%) Graphite
5 2 (3.39%) Kibana
5 2 (3.39%) logstash
5 2 (3.39%) Puppet
5 2 (3.39%) ZABBIX
6 1 (1.69%) Hadoop YARN
6 1 (1.69%) Opscode Chef
Vendors
1 4 (6.78%) Microsoft
1 4 (6.78%) Oracle
2 3 (5.08%) Google
3 2 (3.39%) SaltStack
3 2 (3.39%) ServiceNow
3 2 (3.39%) Sybase
4 1 (1.69%) StreamSets
4 1 (1.69%) Talend
4 1 (1.69%) TIBCO