Period
to 20 September 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 20 September 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
20 Sep 2021
Same period 2020 Same period 2019
Rank 324 273 311
Rank change year-on-year -51 +38 -61
Contract jobs citing Apache Cassandra 236 79 321
As % of all contract jobs advertised in London 0.71% 0.60% 0.83%
As % of the Database & Business Intelligence category 2.94% 2.35% 3.36%
Number of daily rates quoted 138 52 263
10th Percentile £454 £428 £463
25th Percentile £483 £491 £519
Median daily rate (50th Percentile) £573 £575 £588
Median % change year-on-year -0.43% -2.13% +6.82%
75th Percentile £650 £641 £668
90th Percentile £675 £701 £730
England median daily rate £570 £550 £575
% change year-on-year +3.64% -4.35% +9.52%

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 8,024 3,364 9,564
As % of all contract IT jobs advertised in London 24.04% 25.63% 24.63%
Number of daily rates quoted 5,773 2,398 6,990
10th Percentile £382 £363 £363
25th Percentile £463 £431 £425
Median daily rate (50th Percentile) £550 £525 £525
Median % change year-on-year +4.76% - -
75th Percentile £660 £631 £610
90th Percentile £738 £713 £688
England median daily rate £525 £500 £475
% change year-on-year +5.00% +5.26% -
Number of hourly rates quoted 44 28 49
10th Percentile £14.52 £15.98 £15.44
25th Percentile £20.57 £20.75 £20.50
Median hourly rate £32.25 £32.75 £29.96
Median % change year-on-year -1.51% +9.30% -0.13%
75th Percentile £50.19 £41.50 £45.00
90th Percentile £61.70 £51.40 £51.75
England median hourly rate £30.00 £25.00 £30.00
% change year-on-year +20.00% -16.67% +9.09%

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 20 September 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 20 September 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 +15 40 £608 -7.95% 4
Central London -52 17 £600 - 16
South London +5 1 - -
Apache Cassandra
England

For the 6 months to 20 September 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.

1 144 (61.02%) Kafka
2 123 (52.12%) Java
3 112 (47.46%) NoSQL
4 100 (42.37%) Agile Software Development
5 92 (38.98%) Kubernetes
6 89 (37.71%) Python
7 82 (34.75%) Microservices
8 80 (33.90%) AWS
9 75 (31.78%) SQL
10 74 (31.36%) Analytics
11 70 (29.66%) Docker
12 69 (29.24%) Apache Spark
13 68 (28.81%) Scala
14 64 (27.12%) Git (software)
15 63 (26.69%) Hadoop
16 58 (24.58%) Big Data
17 52 (22.03%) MongoDB
18 51 (21.61%) Jenkins
19 50 (21.19%) Data Pipeline
20 49 (20.76%) Linux
20 49 (20.76%) Spring
20 49 (20.76%) Finance
21 48 (20.34%) Social Skills
22 46 (19.49%) Ansible
23 42 (17.80%) Terraform
23 42 (17.80%) Degree
24 41 (17.37%) Relational Database
25 40 (16.95%) DevOps
25 40 (16.95%) GCP
25 40 (16.95%) Computer Science

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 69 (29.24%) Apache Spark
2 22 (9.32%) Apache Airflow
3 21 (8.90%) Luigi
4 15 (6.36%) Apache
5 9 (3.81%) Elasticsearch
6 8 (3.39%) Tomcat
7 5 (2.12%) Confluence
8 4 (1.69%) JBoss
9 3 (1.27%) nginx
9 3 (1.27%) Oracle Coherence
9 3 (1.27%) WebSphere
10 2 (0.85%) IBM Domino
10 2 (0.85%) IIS
10 2 (0.85%) Jetty
10 2 (0.85%) Oracle SOA Suite
10 2 (0.85%) SAS
11 1 (0.42%) Drupal
11 1 (0.42%) WebLogic
Applications
1 1 (0.42%) SPSS
1 1 (0.42%) SPSS Modeler
Cloud Services
1 80 (33.90%) AWS
2 40 (16.95%) GCP
3 37 (15.68%) Azure
4 34 (14.41%) Serverless
5 19 (8.05%) Azure Functions
6 18 (7.63%) Azure Cosmos DB
7 17 (7.20%) GitHub
8 12 (5.08%) AWS Lambda
9 9 (3.81%) Amazon EMR
9 9 (3.81%) Apigee
9 9 (3.81%) AWS CloudFormation
10 8 (3.39%) Akamai
10 8 (3.39%) OpenShift
11 6 (2.54%) Amazon EC2
11 6 (2.54%) Amazon S3
12 4 (1.69%) Amazon Kinesis
12 4 (1.69%) Power Platform
13 3 (1.27%) Amazon SQS
13 3 (1.27%) Cloud Computing
13 3 (1.27%) Matillion
Communications & Networking
1 7 (2.97%) HTTP
2 3 (1.27%) VPN
3 2 (0.85%) SAN
4 1 (0.42%) FTP
Database & Business Intelligence
1 112 (47.46%) NoSQL
2 63 (26.69%) Hadoop
3 58 (24.58%) Big Data
4 52 (22.03%) MongoDB
5 41 (17.37%) Relational Database
6 40 (16.95%) PostgreSQL
7 38 (16.10%) MySQL
8 33 (13.98%) HBase
8 33 (13.98%) Redis
9 21 (8.90%) Azkaban
10 19 (8.05%) Apache Hive
11 18 (7.63%) Spark SQL
12 17 (7.20%) Data Warehouse
12 17 (7.20%) DataStax
13 15 (6.36%) Flink
14 13 (5.51%) Metadata
15 12 (5.08%) RDBMS
16 9 (3.81%) Amazon Redshift
16 9 (3.81%) Tableau
17 7 (2.97%) MariaDB
Development Applications
1 64 (27.12%) Git (software)
2 51 (21.61%) Jenkins
3 30 (12.71%) GitLab
4 20 (8.47%) Maven
5 17 (7.20%) Gatling
6 16 (6.78%) Mockito
7 11 (4.66%) JIRA
7 11 (4.66%) JUnit
8 10 (4.24%) Jasmine
9 9 (3.81%) Mocha
10 7 (2.97%) Bitbucket
10 7 (2.97%) Gradle
10 7 (2.97%) Karma Test Runner
11 6 (2.54%) GoCD
12 5 (2.12%) LoadRunner
12 5 (2.12%) Sinon.JS
13 4 (1.69%) Artifactory
13 4 (1.69%) Cucumber
13 4 (1.69%) Subversion
14 3 (1.27%) TeamCity
General
1 49 (20.76%) Finance
2 48 (20.34%) Social Skills
3 37 (15.68%) Banking
4 23 (9.75%) Analytical Skills
5 22 (9.32%) Investment Banking
6 17 (7.20%) Marketing
7 13 (5.51%) Presentation Skills
8 11 (4.66%) Front Office
9 4 (1.69%) Aerospace
9 4 (1.69%) Games
9 4 (1.69%) Public Sector
9 4 (1.69%) Telecoms
10 3 (1.27%) Advertising
11 2 (0.85%) Documentation Skills
11 2 (0.85%) Financial Institution
12 1 (0.42%) Back Office
12 1 (0.42%) Electronics
12 1 (0.42%) Manufacturing
12 1 (0.42%) Music Industry
Job Titles
1 86 (36.44%) Developer
2 50 (21.19%) Data Engineer
3 49 (20.76%) Java Developer
4 28 (11.86%) Senior Developer
5 25 (10.59%) Senior Java Developer
6 18 (7.63%) Scala Developer
6 18 (7.63%) Site Engineer
6 18 (7.63%) Site Reliability Engineer
7 12 (5.08%) AWS Engineer
7 12 (5.08%) Azure Engineer
8 10 (4.24%) Big Data Manager
8 10 (4.24%) Data Manager
8 10 (4.24%) Platform Manager
9 9 (3.81%) DevOps Engineer
9 9 (3.81%) Lead Developer
9 9 (3.81%) Node.js Developer
10 8 (3.39%) Architect
10 8 (3.39%) Systems Engineer
11 7 (2.97%) Cassandra Developer
12 6 (2.54%) Big Data Engineer
Libraries, Frameworks & Software Standards
1 144 (61.02%) Kafka
2 49 (20.76%) Spring
3 29 (12.29%) Spark Streaming
4 26 (11.02%) REST
4 26 (11.02%) Spring Boot
5 25 (10.59%) Web Services
6 22 (9.32%) Node.js
6 22 (9.32%) React
7 18 (7.63%) ARM Templates
7 18 (7.63%) Hibernate
8 17 (7.20%) Akka
9 16 (6.78%) RESTful
10 15 (6.36%) JPA
11 14 (5.93%) AngularJS
11 14 (5.93%) Spring MVC
12 12 (5.08%) Express
13 11 (4.66%) Play Framework
13 11 (4.66%) spray
14 10 (4.24%) Redux
15 8 (3.39%) D3.js
Miscellaneous
1 20 (8.47%) Management Information System
2 19 (8.05%) Data Structures
3 13 (5.51%) Algorithms
4 12 (5.08%) Data Centre
5 5 (2.12%) Cloud Native
6 3 (1.27%) Public Cloud
6 3 (1.27%) User Experience
7 2 (0.85%) Data Protection Act
7 2 (0.85%) Distributed Denial-of-Service
7 2 (0.85%) Enterprise Software
7 2 (0.85%) N-Tier
7 2 (0.85%) Online Games
8 1 (0.42%) Equities
8 1 (0.42%) Foreign Exchange (FX)
8 1 (0.42%) Life Science
8 1 (0.42%) Media Streaming
8 1 (0.42%) Mobile Games
8 1 (0.42%) Music Streaming
8 1 (0.42%) Self-Motivation
Operating Systems
1 49 (20.76%) Linux
2 14 (5.93%) Unix
3 4 (1.69%) Red Hat Enterprise Linux
4 2 (0.85%) Windows
5 1 (0.42%) CentOS
5 1 (0.42%) CoreOS
Processes & Methodologies
1 100 (42.37%) Agile Software Development
2 82 (34.75%) Microservices
3 74 (31.36%) Analytics
4 50 (21.19%) Data Pipeline
5 40 (16.95%) Computer Science
5 40 (16.95%) DevOps
5 40 (16.95%) OO
6 37 (15.68%) Machine Learning
7 36 (15.25%) TDD
8 29 (12.29%) Data Science
9 28 (11.86%) Test Automation
9 28 (11.86%) Workflow
10 27 (11.44%) Site Reliability Engineering
11 26 (11.02%) Pair Programming
11 26 (11.02%) Software Engineering
12 25 (10.59%) Problem-Solving
13 24 (10.17%) Data Modelling
13 24 (10.17%) Open Source
13 24 (10.17%) Scrum
14 21 (8.90%) Workflow Management
Programming Languages
1 123 (52.12%) Java
2 89 (37.71%) Python
3 75 (31.78%) SQL
4 68 (28.81%) Scala
5 27 (11.44%) JavaScript
6 26 (11.02%) Bash Shell
7 23 (9.75%) Go
8 13 (5.51%) C++
9 12 (5.08%) Java 8
10 11 (4.66%) C
10 11 (4.66%) TypeScript
11 10 (4.24%) CQL
12 8 (3.39%) Perl
13 5 (2.12%) Ruby
14 4 (1.69%) PL/SQL
14 4 (1.69%) R
15 2 (0.85%) C#
15 2 (0.85%) Clojure
15 2 (0.85%) PHP
15 2 (0.85%) Shell Script
Qualifications
1 42 (17.80%) Degree
2 34 (14.41%) Computer Science Degree
3 9 (3.81%) Security Cleared
4 8 (3.39%) Master's Degree
5 5 (2.12%) SC Cleared
6 4 (1.69%) AWS Certification
7 1 (0.42%) BPSS Clearance
7 1 (0.42%) Sun Certification
Quality Assurance & Compliance
1 17 (7.20%) Data Quality
2 6 (2.54%) QA
3 3 (1.27%) SLA
4 1 (0.42%) GDPR
System Software
1 70 (29.66%) Docker
2 14 (5.93%) HDFS
3 7 (2.97%) Apache ZooKeeper
4 2 (0.85%) Platform Symphony
5 1 (0.42%) VMware Infrastructure
Systems Management
1 92 (38.98%) Kubernetes
2 46 (19.49%) Ansible
3 42 (17.80%) Terraform
4 35 (14.83%) Prometheus
5 34 (14.41%) Grafana
6 12 (5.08%) Puppet
7 8 (3.39%) Istio
8 3 (1.27%) Kibana
8 3 (1.27%) Opscode Chef
9 2 (0.85%) Docker Swarm
9 2 (0.85%) Mesos
9 2 (0.85%) Rancher
9 2 (0.85%) ZABBIX
10 1 (0.42%) Amdocs OSS
10 1 (0.42%) Fluentd
10 1 (0.42%) Hadoop YARN
10 1 (0.42%) Packer
Vendors
1 22 (9.32%) Databricks
1 22 (9.32%) Oracle
2 13 (5.51%) Google
3 10 (4.24%) Ab Initio
3 10 (4.24%) Atlassian
3 10 (4.24%) MapR
4 7 (2.97%) Twitter
5 6 (2.54%) Microsoft
6 5 (2.12%) Red Hat
6 5 (2.12%) SOASTA, Inc
7 4 (1.69%) Cloudera
7 4 (1.69%) IBM
8 3 (1.27%) NetCracker
8 3 (1.27%) Splunk
9 2 (0.85%) 3PAR
9 2 (0.85%) F5
9 2 (0.85%) HP
9 2 (0.85%) hybris
9 2 (0.85%) SAP
9 2 (0.85%) VMware