Period
to 12 December 2018

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 12 December 2018 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
12 Dec 2018
Same period 2017 Same period 2016
Rank 159 197 138
Rank change year-on-year +38 -59 +50
Contract jobs citing Apache Cassandra 99 59 108
As % of all contract IT jobs advertised in the City of London 1.39% 0.82% 1.65%
As % of the Database & Business Intelligence category 5.54% 3.32% 6.18%
Number of daily rates quoted 89 50 98
City of London median daily rate £575 £600 £531
Median daily rate % change year-on-year -4.17% +12.94% +1.19%
10th Percentile £509 £475 £388
90th Percentile £713 £689 £688
Central London median daily rate £575 £585 £525
% change year-on-year -1.71% +11.43% -
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 1,786 1,779 1,747
As % of all contract IT jobs advertised in the City of London 25.04% 24.68% 26.63%
Number of daily rates quoted 1,427 1,459 1,392
City of London median daily rate £525 £525 £475
Median daily rate % change year-on-year - +10.53% -
10th Percentile £375 £370 £325
90th Percentile £675 £689 £663
Central London median daily rate £525 £525 £475
% change year-on-year - +10.53% +2.70%
Number of hourly rates quoted 11 9 1
City of London median hourly rate £35.00 £27.50 £45.00
Median hourly rate % change year-on-year +27.27% -38.89% +44.00%
10th Percentile £19.50 £20.75 £42.50
90th Percentile £42.19 £33.25 £47.50
Central London median hourly rate £35.00 £27.50 £45.00
% change year-on-year +27.27% -38.89% +91.59%

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 12 December 2018.

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 12 December 2018. 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 - 24 £575 -
Apache Cassandra
Central London

For the 6 months to 12 December 2018, 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 75 (75.76%) Docker
2 68 (68.69%) Java
3 65 (65.66%) Agile Software Development
4 62 (62.63%) Kubernetes
5 61 (61.62%) Microservices
6 58 (58.59%) Amazon AWS
7 55 (55.56%) MongoDB
8 54 (54.55%) NoSQL
9 52 (52.53%) Spring
10 51 (51.52%) TDD
11 50 (50.51%) Kafka
12 49 (49.49%) Java 8
13 45 (45.45%) Spring Boot
14 41 (41.41%) DevOps
15 34 (34.34%) Apache Spark
15 34 (34.34%) Redis
15 34 (34.34%) RESTful
16 33 (33.33%) Big Data
17 32 (32.32%) Hadoop
18 28 (28.28%) JavaScript
19 27 (27.27%) Linux
20 26 (26.26%) Git (software)
20 26 (26.26%) Riak
20 26 (26.26%) Terraform
21 25 (25.25%) Maven
22 24 (24.24%) CSS
22 24 (24.24%) HTML
22 24 (24.24%) Hibernate
23 23 (23.23%) REST
23 23 (23.23%) HTML5

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 34 (34.34%) Apache Spark
2 22 (22.22%) Elasticsearch
3 5 (5.05%) Apache
3 5 (5.05%) Apache Solr
4 1 (1.01%) Apache Pig
4 1 (1.01%) Confluence
4 1 (1.01%) nginx
Business Applications
1 1 (1.01%) Dynamics NAV
Cloud Services
1 58 (58.59%) Amazon AWS
2 18 (18.18%) Heroku
3 14 (14.14%) Microsoft Azure
4 6 (6.06%) GitHub
4 6 (6.06%) Google Cloud Platform
5 2 (2.02%) Amazon Kinesis
5 2 (2.02%) PaaS
5 2 (2.02%) SaaS
6 1 (1.01%) Amazon SQS
6 1 (1.01%) OpenShift
Communications & Networking
1 21 (21.21%) HTTP
2 19 (19.19%) SSL
3 18 (18.18%) DNS
3 18 (18.18%) FTP
3 18 (18.18%) TCP/IP
4 4 (4.04%) Kerberos
5 1 (1.01%) Internet
Database & Business Intelligence
1 55 (55.56%) MongoDB
2 54 (54.55%) NoSQL
3 34 (34.34%) Redis
4 33 (33.33%) Big Data
5 32 (32.32%) Hadoop
6 26 (26.26%) Riak
7 12 (12.12%) HBase
8 8 (8.08%) SQL Server
9 7 (7.07%) CouchDB
10 5 (5.05%) Apache Hive
10 5 (5.05%) Relational Database
11 4 (4.04%) Amazon DynamoDB
12 3 (3.03%) MySQL
12 3 (3.03%) Sqoop
13 2 (2.02%) Couchbase
13 2 (2.02%) PostgreSQL
13 2 (2.02%) SQL Server Integration Services
14 1 (1.01%) Azure SQL Database
14 1 (1.01%) Impala
14 1 (1.01%) SQL Server Analysis Services
Development Applications
1 26 (26.26%) Git (software)
2 25 (25.25%) Maven
3 21 (21.21%) GitLab
3 21 (21.21%) Gradle
4 18 (18.18%) gulp
5 16 (16.16%) Jenkins
6 8 (8.08%) Visual Studio Team System
7 6 (6.06%) Octopus Deploy
7 6 (6.06%) Team Foundation Server
8 3 (3.03%) Artifactory
8 3 (3.03%) Cucumber
8 3 (3.03%) Mocha
8 3 (3.03%) Mockito
8 3 (3.03%) Travis CI
9 2 (2.02%) Gatling
9 2 (2.02%) JUnit
9 2 (2.02%) LoadRunner
9 2 (2.02%) NeoLoad
9 2 (2.02%) SpecFlow
9 2 (2.02%) Visual Studio
General
1 18 (18.18%) Finance
2 4 (4.04%) Banking
2 4 (4.04%) Telecoms
3 2 (2.02%) Front Office
3 2 (2.02%) Prime Brokerage
4 1 (1.01%) Games
Job Titles
1 64 (64.65%) Developer
2 43 (43.43%) Java Developer
3 42 (42.42%) Senior Developer
4 30 (30.30%) Senior Java Developer
5 22 (22.22%) Technical Leader
6 15 (15.15%) Lead Developer
7 13 (13.13%) Lead Java Developer
7 13 (13.13%) Technical Developer
8 10 (10.10%) Scala Developer
8 10 (10.10%) Senior Scala Developer
9 8 (8.08%) Data Engineer
10 7 (7.07%) DevOps Engineer
11 6 (6.06%) Agile Developer
11 6 (6.06%) Agile Java Developer
12 5 (5.05%) Analyst
12 5 (5.05%) Analyst Developer
12 5 (5.05%) Big Data Engineer
13 4 (4.04%) Java Engineer
13 4 (4.04%) Senior DevOps Engineer
13 4 (4.04%) Senior Java Engineer
Libraries, Frameworks & Software Standards
1 52 (52.53%) Spring
2 50 (50.51%) Kafka
3 45 (45.45%) Spring Boot
4 34 (34.34%) RESTful
5 24 (24.24%) CSS
5 24 (24.24%) Hibernate
5 24 (24.24%) HTML
6 23 (23.23%) HTML5
6 23 (23.23%) REST
7 21 (21.21%) AngularJS
8 18 (18.18%) Dropwizard
8 18 (18.18%) Ember.js
8 18 (18.18%) Guice
8 18 (18.18%) OAuth
8 18 (18.18%) OAuth2
8 18 (18.18%) Ratpack
8 18 (18.18%) SOAP
9 10 (10.10%) Web Services
10 8 (8.08%) RabbitMQ
11 7 (7.07%) Redux
Miscellaneous
1 9 (9.09%) Algorithms
2 7 (7.07%) Analytical Skills
3 5 (5.05%) Fintech
3 5 (5.05%) Tandem
4 2 (2.02%) Data Centre
4 2 (2.02%) Derivative
4 2 (2.02%) Enterprise Software
4 2 (2.02%) Fixed Income
4 2 (2.02%) Greenfield Project
4 2 (2.02%) Linux Command Line
4 2 (2.02%) OTC Derivatives
5 1 (1.01%) Internet of Things
5 1 (1.01%) Management Information System
5 1 (1.01%) Virtual Team
Operating Systems
1 27 (27.27%) Linux
2 4 (4.04%) Red Hat Enterprise Linux
3 3 (3.03%) Unix
Processes & Methodologies
1 65 (65.66%) Agile Software Development
2 61 (61.62%) Microservices
3 51 (51.52%) TDD
4 41 (41.41%) DevOps
5 20 (20.20%) BDD
6 18 (18.18%) Domain-Driven Design
6 18 (18.18%) OWASP
7 15 (15.15%) Problem-Solving
8 14 (14.14%) Machine Learning
9 13 (13.13%) Scrum
10 11 (11.11%) Continuous Delivery
11 10 (10.10%) Open Source
11 10 (10.10%) Pair Programming
12 9 (9.09%) Data Science
12 9 (9.09%) Software Engineering
13 8 (8.08%) Continuous Integration
14 7 (7.07%) Analytics
14 7 (7.07%) Kanban
14 7 (7.07%) SDLC
14 7 (7.07%) Test Automation
Programming Languages
1 68 (68.69%) Java
2 49 (49.49%) Java 8
3 28 (28.28%) JavaScript
4 20 (20.20%) TypeScript
5 18 (18.18%) ES6
5 18 (18.18%) Scala
6 16 (16.16%) Python
7 8 (8.08%) C#
8 7 (7.07%) SQL
9 5 (5.05%) R
10 3 (3.03%) MATLAB
10 3 (3.03%) Ruby
11 2 (2.02%) Bash Shell
11 2 (2.02%) C
11 2 (2.02%) C++
11 2 (2.02%) PowerShell
12 1 (1.01%) Pig Latin
12 1 (1.01%) T-SQL
Qualifications
1 7 (7.07%) Degree
2 3 (3.03%) PhD
3 1 (1.01%) Master's Degree
Quality Assurance & Compliance
1 3 (3.03%) Data Quality
1 3 (3.03%) QA
System Software
1 75 (75.76%) Docker
2 4 (4.04%) Active Directory
2 4 (4.04%) Apache Flume
3 2 (2.02%) HDFS
3 2 (2.02%) VirtualBox
3 2 (2.02%) VMware Infrastructure
4 1 (1.01%) Apache ZooKeeper
Systems Management
1 62 (62.63%) Kubernetes
2 26 (26.26%) Terraform
3 18 (18.18%) Docker Swarm
4 4 (4.04%) Hadoop YARN
4 4 (4.04%) Prometheus
5 3 (3.03%) Ansible
5 3 (3.03%) ITRS Geneos
5 3 (3.03%) Oozie
6 1 (1.01%) Ambari
6 1 (1.01%) Apache Slider
6 1 (1.01%) Puppet
Vendors
1 8 (8.08%) Oracle
2 7 (7.07%) Hortonworks
3 5 (5.05%) Google
3 5 (5.05%) Microsoft
4 3 (3.03%) Red Hat
5 2 (2.02%) AppDynamics
5 2 (2.02%) Cloudera
5 2 (2.02%) MapR
5 2 (2.02%) SOASTA, Inc
5 2 (2.02%) Sybase
5 2 (2.02%) Talend
5 2 (2.02%) VMware
6 1 (1.01%) Splunk