Period
to 25 March 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 25 March 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
25 Mar 2019
Same period 2018 Same period 2017
Rank 155 193 137
Rank change year-on-year +38 -56 -40
Contract jobs citing Apache Cassandra 95 62 97
As % of all contract IT jobs advertised in the City of London 1.41% 0.87% 1.60%
As % of the Database & Business Intelligence category 5.59% 3.54% 5.72%
Number of daily rates quoted 78 54 90
City of London median daily rate £575 £550 £550
Median daily rate % change year-on-year +4.55% - +4.76%
10th Percentile £519 £467 £463
90th Percentile £725 £685 £675
Central London median daily rate £575 £538 £550
% change year-on-year +6.98% -2.27% +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 1,700 1,751 1,695
As % of all contract IT jobs advertised in the City of London 25.29% 24.62% 27.95%
Number of daily rates quoted 1,351 1,478 1,356
City of London median daily rate £525 £525 £500
Median daily rate % change year-on-year - +5.00% +5.26%
10th Percentile £400 £363 £325
90th Percentile £675 £688 £650
Central London median daily rate £525 £513 £475
% change year-on-year +2.44% +7.89% -
Number of hourly rates quoted 6 8 2
City of London median hourly rate £38.60 £25.00 £33.67
Median hourly rate % change year-on-year +54.38% -25.74% +72.65%
10th Percentile £32.50 £19.72 £23.75
90th Percentile £56.50 £42.61 £45.05
Central London median hourly rate £35.00 £27.75 £33.67
% change year-on-year +26.13% -17.58% +72.65%

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 25 March 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 25 March 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 - 25 £575 -
Apache Cassandra
Central London

For the 6 months to 25 March 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 67 (70.53%) Docker
2 66 (69.47%) Agile Software Development
3 65 (68.42%) Microservices
4 64 (67.37%) Java
5 61 (64.21%) NoSQL
6 58 (61.05%) Amazon AWS
6 58 (61.05%) Kubernetes
7 56 (58.95%) TDD
8 47 (49.47%) Spring
8 47 (49.47%) MongoDB
8 47 (49.47%) Redis
9 46 (48.42%) DevOps
9 46 (48.42%) Java 8
10 45 (47.37%) Kafka
11 43 (45.26%) Spring Boot
12 37 (38.95%) RESTful
13 27 (28.42%) Maven
13 27 (28.42%) Terraform
14 25 (26.32%) Hibernate
14 25 (26.32%) Riak
15 24 (25.26%) BDD
15 24 (25.26%) JavaScript
16 20 (21.05%) Finance
17 18 (18.95%) Microsoft Azure
17 18 (18.95%) Git (software)
17 18 (18.95%) Big Data
18 17 (17.89%) Jenkins
18 17 (17.89%) RabbitMQ
19 16 (16.84%) Hadoop
19 16 (16.84%) Elasticsearch

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 16 (16.84%) Elasticsearch
2 15 (15.79%) Apache Spark
3 2 (2.11%) Apache
3 2 (2.11%) Apache Pig
4 1 (1.05%) Apache Solr
4 1 (1.05%) Confluence
4 1 (1.05%) OpenStack
Applications
1 2 (2.11%) Microsoft Excel
Business Applications
1 1 (1.05%) Dynamics NAV
1 1 (1.05%) Eloqua
Cloud Services
1 58 (61.05%) Amazon AWS
2 18 (18.95%) Microsoft Azure
3 9 (9.47%) GitHub
4 8 (8.42%) Heroku
5 5 (5.26%) Amazon Kinesis
5 5 (5.26%) OpenShift
6 4 (4.21%) Google Cloud Platform
6 4 (4.21%) PaaS
7 3 (3.16%) SaaS
8 2 (2.11%) Amazon SQS
8 2 (2.11%) Datadog
9 1 (1.05%) Amazon EC2
9 1 (1.05%) Amazon S3
9 1 (1.05%) Apigee
9 1 (1.05%) AWS Lambda
9 1 (1.05%) Azure Active Directory
9 1 (1.05%) Serverless
Communications & Networking
1 13 (13.68%) HTTP
2 11 (11.58%) DNS
3 9 (9.47%) SSL
4 8 (8.42%) FTP
4 8 (8.42%) TCP/IP
5 3 (3.16%) X.509
6 2 (2.11%) Kerberos
Database & Business Intelligence
1 61 (64.21%) NoSQL
2 47 (49.47%) MongoDB
2 47 (49.47%) Redis
3 25 (26.32%) Riak
4 18 (18.95%) Big Data
5 16 (16.84%) Hadoop
6 11 (11.58%) CouchDB
6 11 (11.58%) SQL Server
7 10 (10.53%) Amazon DynamoDB
8 6 (6.32%) HBase
8 6 (6.32%) Power BI
9 4 (4.21%) MySQL
9 4 (4.21%) PostgreSQL
9 4 (4.21%) SQL Server Integration Services
10 3 (3.16%) Apache Hive
10 3 (3.16%) Bigtable
10 3 (3.16%) Blockchain
11 2 (2.11%) Couchbase
11 2 (2.11%) Impala
11 2 (2.11%) InfluxDB
Development Applications
1 27 (28.42%) Maven
2 18 (18.95%) Git (software)
3 17 (17.89%) Jenkins
4 13 (13.68%) Visual Studio Team System
5 10 (10.53%) Octopus Deploy
5 10 (10.53%) Team Foundation Server
6 9 (9.47%) GitLab
6 9 (9.47%) Gradle
6 9 (9.47%) gulp
7 5 (5.26%) Mocha
8 4 (4.21%) SpecFlow
9 3 (3.16%) JIRA
9 3 (3.16%) Mockito
10 2 (2.11%) Artifactory
10 2 (2.11%) CircleCI
10 2 (2.11%) Cucumber
10 2 (2.11%) Spock
10 2 (2.11%) Visual Studio
11 1 (1.05%) Pylint
11 1 (1.05%) Travis CI
General
1 20 (21.05%) Finance
2 13 (13.68%) Banking
3 6 (6.32%) Front Office
4 2 (2.11%) Telecoms
5 1 (1.05%) Investment Banking
5 1 (1.05%) Law
5 1 (1.05%) Marketing
Job Titles
1 66 (69.47%) Developer
2 43 (45.26%) Java Developer
3 42 (44.21%) Senior Developer
4 31 (32.63%) Senior Java Developer
5 9 (9.47%) Data Engineer
5 9 (9.47%) Scala Developer
5 9 (9.47%) Senior Scala Developer
6 8 (8.42%) Lead Developer
6 8 (8.42%) Technical Leader
7 6 (6.32%) Analyst
7 6 (6.32%) React Developer
8 5 (5.26%) Analyst Developer
8 5 (5.26%) Big Data Engineer
8 5 (5.26%) C# Developer
8 5 (5.26%) Lead Java Developer
8 5 (5.26%) Technical Developer
9 4 (4.21%) DevOps Engineer
9 4 (4.21%) Java Engineer
10 3 (3.16%) Agile Java Developer
10 3 (3.16%) Senior Java Engineer
Libraries, Frameworks & Software Standards
1 47 (49.47%) Spring
2 45 (47.37%) Kafka
3 43 (45.26%) Spring Boot
4 37 (38.95%) RESTful
5 25 (26.32%) Hibernate
6 17 (17.89%) RabbitMQ
7 16 (16.84%) REST
8 15 (15.79%) CSS
8 15 (15.79%) HTML
8 15 (15.79%) HTML5
9 14 (14.74%) .NET
10 12 (12.63%) OAuth
11 11 (11.58%) OAuth2
11 11 (11.58%) Redux
12 10 (10.53%) .NET Core
12 10 (10.53%) AngularJS
12 10 (10.53%) Web Services
13 9 (9.47%) SOAP
14 8 (8.42%) Ember.js
14 8 (8.42%) Guice
Miscellaneous
1 6 (6.32%) Greenfield Project
1 6 (6.32%) Tandem
2 5 (5.26%) Fintech
3 4 (4.21%) Algorithms
3 4 (4.21%) Mobile App
4 3 (3.16%) Analytical Skills
5 2 (2.11%) Virtual Team
5 2 (2.11%) Wiki
6 1 (1.05%) Mobile Banking
6 1 (1.05%) Self-Motivation
6 1 (1.05%) User Experience
Operating Systems
1 12 (12.63%) Linux
2 3 (3.16%) Android
2 3 (3.16%) Apple iOS
3 2 (2.11%) Red Hat Enterprise Linux
4 1 (1.05%) Unix
Processes & Methodologies
1 66 (69.47%) Agile Software Development
2 65 (68.42%) Microservices
3 56 (58.95%) TDD
4 46 (48.42%) DevOps
5 24 (25.26%) BDD
6 16 (16.84%) Scrum
7 13 (13.68%) Pair Programming
8 12 (12.63%) Kanban
8 12 (12.63%) Problem-Solving
9 10 (10.53%) Deployment Automation
9 10 (10.53%) Machine Learning
9 10 (10.53%) OWASP
10 9 (9.47%) Continuous Integration
10 9 (9.47%) User Stories
11 8 (8.42%) Asset Management
11 8 (8.42%) Business Development
11 8 (8.42%) Continuous Improvement
11 8 (8.42%) Domain-Driven Design
12 7 (7.37%) Computer Science
12 7 (7.37%) MapReduce
Programming Languages
1 64 (67.37%) Java
2 46 (48.42%) Java 8
3 24 (25.26%) JavaScript
4 15 (15.79%) C#
5 13 (13.68%) Scala
6 8 (8.42%) ES6
6 8 (8.42%) SQL
6 8 (8.42%) TypeScript
7 7 (7.37%) Python
8 4 (4.21%) PowerShell
9 3 (3.16%) XPath
10 2 (2.11%) Bash Shell
10 2 (2.11%) Ruby
10 2 (2.11%) VBA
11 1 (1.05%) Go
11 1 (1.05%) Kotlin
11 1 (1.05%) Pig Latin
Qualifications
1 7 (7.37%) Degree
2 1 (1.05%) Master's Degree
System Software
1 67 (70.53%) Docker
2 3 (3.16%) Active Directory
2 3 (3.16%) HDFS
3 2 (2.11%) Oracle RAC
4 1 (1.05%) Apache Flume
Systems Management
1 58 (61.05%) Kubernetes
2 27 (28.42%) Terraform
3 8 (8.42%) Docker Swarm
4 4 (4.21%) Ansible
5 2 (2.11%) Consul
5 2 (2.11%) Grafana
5 2 (2.11%) Graphite
5 2 (2.11%) Hadoop YARN
5 2 (2.11%) Istio
5 2 (2.11%) ITRS Geneos
5 2 (2.11%) Kibana
5 2 (2.11%) linkerd
5 2 (2.11%) logstash
5 2 (2.11%) Puppet
5 2 (2.11%) ZABBIX
6 1 (1.05%) Single Sign-On
Vendors
1 10 (10.53%) Oracle
2 9 (9.47%) Microsoft
3 5 (5.26%) Google
4 2 (2.11%) Red Hat
4 2 (2.11%) SaltStack
4 2 (2.11%) ServiceNow
4 2 (2.11%) Splunk
4 2 (2.11%) Talend
5 1 (1.05%) Adobe
5 1 (1.05%) DoubleClick
5 1 (1.05%) Dynatrace
5 1 (1.05%) Hortonworks
5 1 (1.05%) Marketo
5 1 (1.05%) SAP
5 1 (1.05%) Teradata
5 1 (1.05%) TIBCO