Period
to 12 May 2021

The following table provides summary statistics for contract job vacancies advertised in 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 May 2021 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
England > London
6 months to
12 May 2021
Same period 2020 Same period 2019
Rank 342 282 249
Rank change year-on-year -60 -33 +5
Contract jobs citing Apache Cassandra 126 155 456
As % of all contract jobs advertised in London 0.53% 0.74% 1.12%
As % of the Database & Business Intelligence category 2.29% 3.04% 4.47%
Number of daily rates quoted 69 108 343
10th Percentile £424 £450 £475
25th Percentile £525 £491 £513
Median daily rate (50th Percentile) £600 £575 £575
Median % change year-on-year +4.35% - +4.55%
75th Percentile £650 £650 £635
90th Percentile £689 £750 £700
England median daily rate £600 £550 £550
% change year-on-year +9.09% - +4.76%

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 London with a requirement for database or business intelligence skills.

All Database and Business Intelligence Skills
London
Contract vacancies with a requirement for database or business intelligence skills 5,504 5,100 10,204
As % of all contract IT jobs advertised in London 23.36% 24.22% 24.99%
Number of daily rates quoted 3,905 3,706 7,508
10th Percentile £372 £363 £363
25th Percentile £450 £425 £425
Median daily rate (50th Percentile) £525 £525 £525
75th Percentile £638 £625 £609
90th Percentile £713 £700 £675
England median daily rate £500 £495 £488
% change year-on-year +1.01% +1.54% +2.63%
Number of hourly rates quoted 33 30 46
10th Percentile £14.35 £15.89 £18.53
25th Percentile £20.00 £20.11 £20.63
Median hourly rate £34.88 £25.75 £24.50
Median % change year-on-year +35.46% +5.10% -10.35%
75th Percentile £58.75 £38.44 £43.75
90th Percentile £66.50 £49.86 £54.25
England median hourly rate £24.64 £24.70 £31.25
% change year-on-year -0.24% -20.96% +4.17%

Apache Cassandra
Job Vacancy Trend in London

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

Job vacancy trend for Apache Cassandra in London

Apache Cassandra
Contractor Daily Rate Trend in London

3-month moving average daily rate quoted in jobs citing Apache Cassandra in London.

Daily rate trend for Apache Cassandra in London

Apache Cassandra
Daily Rate Histogram in London

Daily rate distribution for jobs citing Apache Cassandra in London over the 6 months to 12 May 2021.

Daily rate histogram for Apache Cassandra in London

Apache Cassandra
Contract Job Locations in 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 London region over the 6 months to 12 May 2021. 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
West London +17 11 £575 +4.55% 1
Central London +13 11 £600 +4.35% 20
South London +30 1 - -
Apache Cassandra
England

For the 6 months to 12 May 2021, 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 London region with a requirement for Apache Cassandra.

1 83 (65.87%) Kafka
2 79 (62.70%) Java
3 76 (60.32%) Agile Software Development
4 63 (50.00%) Microservices
5 61 (48.41%) NoSQL
6 55 (43.65%) Git (software)
7 51 (40.48%) Scala
7 51 (40.48%) Banking
8 50 (39.68%) Kubernetes
9 49 (38.89%) DevOps
10 44 (34.92%) Finance
11 38 (30.16%) Investment Banking
12 37 (29.37%) Python
12 37 (29.37%) Docker
13 35 (27.78%) MongoDB
14 31 (24.60%) Linux
15 30 (23.81%) Spring
16 29 (23.02%) Front Office
17 28 (22.22%) SQL
17 28 (22.22%) AWS
18 26 (20.63%) Atlassian
18 26 (20.63%) Big Data
18 26 (20.63%) Apache Spark
19 25 (19.84%) Hadoop
20 24 (19.05%) Analytics
20 24 (19.05%) Problem-Solving
21 22 (17.46%) Redis
21 22 (17.46%) Web Services
21 22 (17.46%) Scrum
22 21 (16.67%) JavaScript

Apache Cassandra
Co-occurring IT Skills in 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 26 (20.63%) Apache Spark
2 7 (5.56%) Confluence
2 7 (5.56%) Tomcat
3 6 (4.76%) JBoss
4 5 (3.97%) Apache
5 4 (3.17%) Apache Pig
5 4 (3.17%) Jetty
6 3 (2.38%) Apache Airflow
6 3 (2.38%) Elasticsearch
6 3 (2.38%) IBM Domino
6 3 (2.38%) IIS
6 3 (2.38%) Luigi
6 3 (2.38%) WebSphere
7 2 (1.59%) nginx
7 2 (1.59%) Oracle SOA Suite
8 1 (0.79%) Apache Solr
8 1 (0.79%) Oracle Coherence
Cloud Services
1 28 (22.22%) AWS
2 20 (15.87%) Azure
3 7 (5.56%) Amazon S3
3 7 (5.56%) Azure Cosmos DB
3 7 (5.56%) OpenShift
4 6 (4.76%) Amazon EC2
4 6 (4.76%) GCP
5 5 (3.97%) Amazon EMR
5 5 (3.97%) Apigee
5 5 (3.97%) GitHub
5 5 (3.97%) Serverless
6 4 (3.17%) Akamai
6 4 (3.17%) Amazon Kinesis
7 3 (2.38%) Amazon ElastiCache
7 3 (2.38%) AWS CloudFormation
7 3 (2.38%) Azure Service Bus
7 3 (2.38%) Cloud Computing
7 3 (2.38%) SaaS
8 2 (1.59%) AWS Lambda
8 2 (1.59%) Runscope
Communications & Networking
1 6 (4.76%) Network Security
2 4 (3.17%) HTTP
3 3 (2.38%) VPN
Database & Business Intelligence
1 61 (48.41%) NoSQL
2 35 (27.78%) MongoDB
3 26 (20.63%) Big Data
4 25 (19.84%) Hadoop
5 22 (17.46%) Redis
6 20 (15.87%) PostgreSQL
7 19 (15.08%) MySQL
8 18 (14.29%) SQL Server
9 17 (13.49%) HBase
9 17 (13.49%) Relational Database
10 15 (11.90%) Apache Hive
11 14 (11.11%) Data Warehouse
12 12 (9.52%) Amazon DynamoDB
13 6 (4.76%) Amazon Redshift
13 6 (4.76%) Impala
14 5 (3.97%) Amazon RDS
14 5 (3.97%) RDBMS
15 4 (3.17%) BigQuery
16 3 (2.38%) Presto
16 3 (2.38%) Riak
Development Applications
1 55 (43.65%) Git (software)
2 21 (16.67%) Jenkins
3 11 (8.73%) Mockito
4 10 (7.94%) Gatling
4 10 (7.94%) Maven
5 9 (7.14%) JIRA
6 8 (6.35%) Artifactory
6 8 (6.35%) Bitbucket
6 8 (6.35%) GitLab
7 6 (4.76%) Gradle
8 5 (3.97%) TeamCity
9 4 (3.17%) Jasmine
9 4 (3.17%) Karma Test Runner
10 2 (1.59%) IBM UrbanCode
10 2 (1.59%) Mercurial
10 2 (1.59%) Pylint
10 2 (1.59%) Sourcetree
10 2 (1.59%) Subversion
11 1 (0.79%) Sonatype Nexus
11 1 (0.79%) Spinnaker
General
1 51 (40.48%) Banking
2 44 (34.92%) Finance
3 38 (30.16%) Investment Banking
4 29 (23.02%) Front Office
5 16 (12.70%) Social Skills
6 10 (7.94%) Analytical Skills
7 7 (5.56%) Marketing
8 5 (3.97%) French Language
8 5 (3.97%) Retail
9 3 (2.38%) Financial Institution
10 1 (0.79%) Electronics
10 1 (0.79%) Presentation Skills
10 1 (0.79%) Public Sector
Job Titles
1 74 (58.73%) Developer
2 40 (31.75%) Java Developer
3 21 (16.67%) Senior Developer
4 15 (11.90%) Scala Developer
5 12 (9.52%) DevOps Engineer
5 12 (9.52%) Senior Java Developer
6 10 (7.94%) Data Engineer
7 8 (6.35%) .NET Developer
7 8 (6.35%) Big Data Developer
8 7 (5.56%) Cassandra Developer
8 7 (5.56%) Python Developer
8 7 (5.56%) Senior .NET Developer
9 6 (4.76%) Core Java Developer
10 5 (3.97%) Agile Developer
10 5 (3.97%) Agile Java Developer
10 5 (3.97%) Apache Spark Developer
10 5 (3.97%) Cloud Engineer
10 5 (3.97%) ETL Developer
10 5 (3.97%) Investment Banking Java Developer
10 5 (3.97%) Java Scala Developer
Libraries, Frameworks & Software Standards
1 83 (65.87%) Kafka
2 30 (23.81%) Spring
3 22 (17.46%) Web Services
4 17 (13.49%) RESTful
5 16 (12.70%) React
6 15 (11.90%) Hibernate
6 15 (11.90%) JPA
6 15 (11.90%) REST
7 14 (11.11%) Akka
8 13 (10.32%) Spring Boot
9 11 (8.73%) Spring MVC
10 10 (7.94%) .NET
10 10 (7.94%) Node.js
10 10 (7.94%) Play Framework
10 10 (7.94%) spray
11 9 (7.14%) AngularJS
11 9 (7.14%) Spark Streaming
12 8 (6.35%) CSS
12 8 (6.35%) HTML
13 7 (5.56%) SOAP
Miscellaneous
1 13 (10.32%) Derivative
2 12 (9.52%) Management Information System
3 7 (5.56%) Data Structures
4 6 (4.76%) Greenfield Project
5 5 (3.97%) Algorithms
5 5 (3.97%) Cloud Native
5 5 (3.97%) Fixed Income
6 4 (3.17%) User Experience
7 3 (2.38%) Data Centre
7 3 (2.38%) N-Tier
8 2 (1.59%) Equities
9 1 (0.79%) Clustering
9 1 (0.79%) Device Driver
9 1 (0.79%) Enterprise Software
9 1 (0.79%) FMCG
9 1 (0.79%) Foreign Exchange (FX)
9 1 (0.79%) Hybrid Cloud
9 1 (0.79%) Linux Command Line
9 1 (0.79%) Online Banking
9 1 (0.79%) Public Cloud
Operating Systems
1 31 (24.60%) Linux
2 11 (8.73%) Unix
3 3 (2.38%) Windows
4 1 (0.79%) CentOS
4 1 (0.79%) Red Hat Enterprise Linux
Processes & Methodologies
1 76 (60.32%) Agile Software Development
2 63 (50.00%) Microservices
3 49 (38.89%) DevOps
4 24 (19.05%) Analytics
4 24 (19.05%) Problem-Solving
5 22 (17.46%) Scrum
6 20 (15.87%) BDD
6 20 (15.87%) TDD
7 19 (15.08%) MVC
7 19 (15.08%) Test Automation
8 18 (14.29%) OO
9 16 (12.70%) Continuous Integration
9 16 (12.70%) Software Engineering
10 15 (11.90%) Multithreading
11 14 (11.11%) Kanban
12 13 (10.32%) Data Pipeline
13 12 (9.52%) Architectural Design
13 12 (9.52%) E-Commerce
13 12 (9.52%) High Availability
14 11 (8.73%) Unit Testing
Programming Languages
1 79 (62.70%) Java
2 51 (40.48%) Scala
3 37 (29.37%) Python
4 28 (22.22%) SQL
5 21 (16.67%) JavaScript
6 9 (7.14%) C#
7 8 (6.35%) Go
8 7 (5.56%) Java 8
9 6 (4.76%) Bash Shell
10 5 (3.97%) TypeScript
11 4 (3.17%) Clojure
12 3 (2.38%) Groovy
12 3 (2.38%) R
12 3 (2.38%) Ruby
13 2 (1.59%) C++
14 1 (0.79%) C
14 1 (0.79%) ClojureScript
14 1 (0.79%) PL/SQL
14 1 (0.79%) PowerShell
14 1 (0.79%) Shell Script
Qualifications
1 13 (10.32%) Degree
2 7 (5.56%) Computer Science Degree
3 5 (3.97%) Master's Degree
4 3 (2.38%) AWS Certification
4 3 (2.38%) SC Cleared
4 3 (2.38%) Security Cleared
Quality Assurance & Compliance
1 3 (2.38%) QA
2 2 (1.59%) PCI DSS
System Software
1 37 (29.37%) Docker
2 15 (11.90%) HDFS
3 4 (3.17%) Apache Flume
3 4 (3.17%) Apache ZooKeeper
4 1 (0.79%) Platform Symphony
Systems Management
1 50 (39.68%) Kubernetes
2 17 (13.49%) Ansible
2 17 (13.49%) Terraform
3 16 (12.70%) Grafana
4 15 (11.90%) Prometheus
5 6 (4.76%) Puppet
6 4 (3.17%) Opscode Chef
7 3 (2.38%) Rancher
8 2 (1.59%) Istio
9 1 (0.79%) Docker Swarm
9 1 (0.79%) Mesos
9 1 (0.79%) Oozie
9 1 (0.79%) Packer
Vendors
1 26 (20.63%) Atlassian
2 17 (13.49%) Oracle
3 8 (6.35%) MapR
4 6 (4.76%) Ab Initio
4 6 (4.76%) Splunk
5 4 (3.17%) Cloudera
5 4 (3.17%) Databricks
5 4 (3.17%) Google
5 4 (3.17%) Teradata
5 4 (3.17%) Twitter
6 3 (2.38%) hybris
6 3 (2.38%) Vertica
6 3 (2.38%) Xerox
7 2 (1.59%) Microsoft
7 2 (1.59%) Red Hat
8 1 (0.79%) Black Duck
8 1 (0.79%) Confluent
8 1 (0.79%) Dataiku
8 1 (0.79%) IBM
8 1 (0.79%) Informatica