Period
to 19 January 2022

The following table provides summary statistics for contract job vacancies 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 19 January 2022 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
UK
6 months to
19 Jan 2022
Same period 2021 Same period 2020
Rank 494 459 469
Rank change year-on-year -35 +10 -158
Contract jobs citing Apache Cassandra 363 133 295
As % of all contract jobs advertised in the UK 0.41% 0.32% 0.41%
As % of the Database & Business Intelligence category 1.94% 1.48% 1.92%
Number of daily rates quoted 208 87 201
10th Percentile £450 £415 £416
25th Percentile £499 £476 £466
Median daily rate (50th Percentile) £600 £575 £550
Median % change year-on-year +4.35% +4.55% -
75th Percentile £675 £638 £625
90th Percentile £729 £665 £700
UK excluding London median daily rate £500 £488 £480
% change year-on-year +2.56% +1.56% -6.34%
Number of hourly rates quoted 1 0 1
10th Percentile - - -
25th Percentile £54.50 - -
Median hourly rate £59.00 - £40.00
75th Percentile £63.50 - -
90th Percentile - - -
UK excluding London median hourly rate - - £40.00

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 with a requirement for database or business intelligence skills.

All Database and Business Intelligence Skills
UK
Contract vacancies with a requirement for database or business intelligence skills 18,678 9,005 15,363
As % of all contract IT jobs advertised in the UK 21.31% 21.92% 21.42%
Number of daily rates quoted 13,319 6,198 10,453
10th Percentile £363 £313 £318
25th Percentile £433 £390 £400
Median daily rate (50th Percentile) £525 £488 £475
Median % change year-on-year +7.69% +2.63% -
75th Percentile £638 £588 £575
90th Percentile £725 £663 £663
UK excluding London median daily rate £475 £425 £440
% change year-on-year +11.76% -3.41% +3.53%
Number of hourly rates quoted 197 178 216
10th Percentile £17.40 £13.46 £12.25
25th Percentile £24.50 £19.06 £17.19
Median hourly rate £44.00 £26.73 £26.00
Median % change year-on-year +64.61% +2.81% -2.44%
75th Percentile £62.15 £49.69 £42.63
90th Percentile £72.20 £62.01 £56.50
UK excluding London median hourly rate £43.34 £23.62 £22.77
% change year-on-year +83.45% +3.73% -12.59%

Apache Cassandra
Job Vacancy Trend

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

Job vacancy trend for Apache Cassandra in the UK

Apache Cassandra
Contractor Daily Rate Trend

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

Daily rate trend for Apache Cassandra in the UK

Apache Cassandra
Daily Rate Histogram

Daily rate distribution for jobs citing Apache Cassandra over the 6 months to 19 January 2022.

Daily rate histogram for Apache Cassandra in the UK

Apache Cassandra
Contractor Hourly Rate Trend

3-month moving average hourly rates quoted in jobs citing Apache Cassandra.

Hourly rate trend for Apache Cassandra in the UK

Apache Cassandra
Top 14 Contract Locations

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 UK over the 6 months to 19 January 2022. 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
Jobs
England -57 287 £600 - 62
London -52 217 £608 +5.65% 36
Work from Home -88 91 £600 +26.32% 12
UK excluding London -115 50 £500 +2.56% 26
Scotland - 15 £513 - 1
South West -36 12 £625 +66.67% 2
South East -74 10 £463 -22.92% 8
Midlands -69 7 £500 +5.04% 3
North of England -52 5 £488 -20.41% 6
West Midlands - 5 £500 - 3
North West -45 4 £488 -20.41% 4
East Midlands -44 2 £525 +10.29%
East of England -44 1 - - 6
Yorkshire - 1 - - 2

For the 6 months to 19 January 2022, 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 with a requirement for Apache Cassandra.

1 218 (60.06%) Kafka
2 211 (58.13%) NoSQL
3 173 (47.66%) Java
4 156 (42.98%) AWS
5 146 (40.22%) Docker
6 143 (39.39%) SQL
7 141 (38.84%) MongoDB
8 140 (38.57%) Microservices
9 135 (37.19%) Kubernetes
10 130 (35.81%) Python
11 126 (34.71%) Apache Spark
12 116 (31.96%) CI/CD
13 114 (31.40%) Agile Software Development
14 109 (30.03%) Analytics
15 94 (25.90%) Hadoop
16 91 (25.07%) Big Data
17 89 (24.52%) Jenkins
17 89 (24.52%) Linux
18 87 (23.97%) GCP
19 86 (23.69%) Azure
20 85 (23.42%) Git (software)
21 82 (22.59%) MySQL
22 80 (22.04%) PostgreSQL
22 80 (22.04%) Scala
23 75 (20.66%) DevOps
24 74 (20.39%) Social Skills
25 72 (19.83%) Finance
26 69 (19.01%) Spring
27 67 (18.46%) HBase
28 65 (17.91%) REST

Apache Cassandra
Co-occurring IT Skills 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
1 126 (34.71%) Apache Spark
2 45 (12.40%) Elasticsearch
3 19 (5.23%) Luigi
4 18 (4.96%) Apache Airflow
5 16 (4.41%) Tomcat
6 14 (3.86%) Apache
6 14 (3.86%) nginx
7 13 (3.58%) Apache Pulsar
8 11 (3.03%) GemFire
9 9 (2.48%) Confluence
10 4 (1.10%) Apache Solr
10 4 (1.10%) OpenStack
11 3 (0.83%) Cloud Foundry
11 3 (0.83%) IIS
11 3 (0.83%) SAS
12 2 (0.55%) JBoss
12 2 (0.55%) Oracle SOA Suite
13 1 (0.28%) Apache Pig
13 1 (0.28%) Jetty
13 1 (0.28%) WebLogic
Applications
1 1 (0.28%) MS Visio
1 1 (0.28%) SPSS
1 1 (0.28%) SPSS Modeler
Cloud Services
1 156 (42.98%) AWS
2 87 (23.97%) GCP
3 86 (23.69%) Azure
4 55 (15.15%) Serverless
5 25 (6.89%) Azure Functions
6 21 (5.79%) Azure Cosmos DB
6 21 (5.79%) GitHub
7 17 (4.68%) Amazon S3
8 14 (3.86%) Snowflake
9 13 (3.58%) Amazon EMR
9 13 (3.58%) AWS Lambda
10 12 (3.31%) AWS CloudFormation
10 12 (3.31%) dbt
10 12 (3.31%) Power Platform
11 10 (2.75%) Amazon EC2
11 10 (2.75%) Amazon EKS
12 8 (2.20%) Apigee
12 8 (2.20%) Azure Data Factory
12 8 (2.20%) Datadog
13 7 (1.93%) Amazon Kinesis
Communications & Networking
1 35 (9.64%) HTTP
2 12 (3.31%) MQTT
3 4 (1.10%) HTTPS
3 4 (1.10%) SSL
3 4 (1.10%) Wireless
4 3 (0.83%) 3GPP
4 3 (0.83%) 4G
4 3 (0.83%) Intelligent Network
4 3 (0.83%) LTE
4 3 (0.83%) MPLS
4 3 (0.83%) SD-WAN
4 3 (0.83%) WAN
5 2 (0.55%) DNS
5 2 (0.55%) Internet
5 2 (0.55%) Kerberos
5 2 (0.55%) SAN
5 2 (0.55%) VPN
6 1 (0.28%) AMQP
6 1 (0.28%) FTP
6 1 (0.28%) Network Security
Database & Business Intelligence
1 211 (58.13%) NoSQL
2 141 (38.84%) MongoDB
3 94 (25.90%) Hadoop
4 91 (25.07%) Big Data
5 82 (22.59%) MySQL
6 80 (22.04%) PostgreSQL
7 67 (18.46%) HBase
8 50 (13.77%) Apache Hive
9 49 (13.50%) Relational Database
10 43 (11.85%) Data Warehouse
11 41 (11.29%) Redis
12 36 (9.92%) Flink
13 32 (8.82%) RDBMS
14 28 (7.71%) Amazon Redshift
15 22 (6.06%) BigQuery
16 21 (5.79%) SQL Server
16 21 (5.79%) Tableau
17 19 (5.23%) Neo4j
18 18 (4.96%) DataStax
19 16 (4.41%) Spark SQL
Development Applications
1 89 (24.52%) Jenkins
2 85 (23.42%) Git (software)
3 54 (14.88%) Maven
4 42 (11.57%) JUnit
5 41 (11.29%) GitLab
6 25 (6.89%) Gradle
7 22 (6.06%) JIRA
8 19 (5.23%) SonarQube
9 17 (4.68%) Jasmine
9 17 (4.68%) JMeter
10 16 (4.41%) Gatling
11 14 (3.86%) Cucumber
12 13 (3.58%) Selenium
13 11 (3.03%) Atlassian Bamboo
13 11 (3.03%) Mockito
14 10 (2.75%) Mocha
14 10 (2.75%) Sinon.JS
15 9 (2.48%) Subversion
16 7 (1.93%) Artifactory
17 4 (1.10%) LoadRunner
General
1 74 (20.39%) Social Skills
2 72 (19.83%) Finance
3 39 (10.74%) Banking
4 33 (9.09%) Marketing
5 31 (8.54%) Public Sector
6 20 (5.51%) Analytical Skills
7 18 (4.96%) Investment Banking
8 14 (3.86%) Presentation Skills
9 13 (3.58%) Telecoms
10 12 (3.31%) Manufacturing
11 8 (2.20%) Electronics
12 6 (1.65%) Retail
13 5 (1.38%) Games
14 4 (1.10%) Aerospace
15 3 (0.83%) Documentation Skills
15 3 (0.83%) Financial Institution
15 3 (0.83%) Legal
16 2 (0.55%) Influencing Skills
16 2 (0.55%) Prime Brokerage
17 1 (0.28%) Social Science
Job Titles
1 132 (36.36%) Developer
2 67 (18.46%) Data Engineer
3 47 (12.95%) Java Developer
4 39 (10.74%) Architect
5 28 (7.71%) Senior Developer
6 23 (6.34%) Full Stack Developer
6 23 (6.34%) Scala Developer
7 21 (5.79%) Senior Java Developer
8 20 (5.51%) DevOps Engineer
9 18 (4.96%) AWS Engineer
10 17 (4.68%) Big Data Manager
10 17 (4.68%) Data Manager
10 17 (4.68%) Platform Manager
11 16 (4.41%) Site Engineer
11 16 (4.41%) Site Reliability Engineer
12 15 (4.13%) Data Architect
13 14 (3.86%) Azure Engineer
13 14 (3.86%) Java Engineer
13 14 (3.86%) Software Engineer
14 11 (3.03%) Backend Developer
Libraries, Frameworks & Software Standards
1 218 (60.06%) Kafka
2 69 (19.01%) Spring
3 65 (17.91%) REST
4 53 (14.60%) Node.js
5 47 (12.95%) Spring Boot
6 40 (11.02%) Spark Streaming
7 33 (9.09%) AngularJS
8 30 (8.26%) HTML
9 27 (7.44%) React
10 25 (6.89%) RESTful
11 24 (6.61%) Web Services
12 23 (6.34%) jQuery
13 21 (5.79%) .NET
14 20 (5.51%) CSS
14 20 (5.51%) Hibernate
15 19 (5.23%) Akka
16 18 (4.96%) Elastic Stack
16 18 (4.96%) JSON
17 17 (4.68%) XML
18 14 (3.86%) HTML5
Miscellaneous
1 24 (6.61%) Algorithms
1 24 (6.61%) Data Structures
2 21 (5.79%) Enterprise Software
3 20 (5.51%) Cloud Native
4 11 (3.03%) N-Tier
5 9 (2.48%) iPad
6 8 (2.20%) Management Information System
6 8 (2.20%) User Experience
7 6 (1.65%) Blog
7 6 (1.65%) Public Cloud
7 6 (1.65%) Virtual Team
8 4 (1.10%) Data Centre
8 4 (1.10%) LIMS
9 3 (0.83%) e-Learning
9 3 (0.83%) Greenfield Project
9 3 (0.83%) Mobile App
9 3 (0.83%) Renewable Energy
10 2 (0.55%) Hedge funds
10 2 (0.55%) Linux Command Line
10 2 (0.55%) OTC Derivatives
Operating Systems
1 89 (24.52%) Linux
2 25 (6.89%) Red Hat Enterprise Linux
3 14 (3.86%) Unix
4 6 (1.65%) CentOS
5 3 (0.83%) Android
5 3 (0.83%) Apple iOS
6 1 (0.28%) DC/OS
6 1 (0.28%) Mesosphere
6 1 (0.28%) Ubuntu
6 1 (0.28%) VMS
Processes & Methodologies
1 140 (38.57%) Microservices
2 116 (31.96%) CI/CD
3 114 (31.40%) Agile Software Development
4 109 (30.03%) Analytics
5 75 (20.66%) DevOps
6 61 (16.80%) TDD
7 58 (15.98%) Data Modelling
8 56 (15.43%) Software Engineering
9 54 (14.88%) Problem-Solving
10 51 (14.05%) Data Pipeline
11 48 (13.22%) Machine Learning
12 47 (12.95%) Test Automation
13 46 (12.67%) Business Intelligence
14 44 (12.12%) Data Engineering
15 40 (11.02%) Open Source
16 39 (10.74%) Scrum
17 36 (9.92%) Continuous Delivery
18 35 (9.64%) Continuous Integration
19 34 (9.37%) Event-Driven
20 32 (8.82%) Full Stack Development
Programming Languages
1 173 (47.66%) Java
2 143 (39.39%) SQL
3 130 (35.81%) Python
4 80 (22.04%) Scala
5 51 (14.05%) JavaScript
6 38 (10.47%) Bash
7 37 (10.19%) Go
8 20 (5.51%) Java 8
9 13 (3.58%) TypeScript
10 11 (3.03%) PHP
11 10 (2.75%) C#
11 10 (2.75%) Kotlin
11 10 (2.75%) PL/SQL
12 9 (2.48%) Java 11
13 8 (2.20%) C
13 8 (2.20%) C++
13 8 (2.20%) Perl
14 6 (1.65%) Rust
14 6 (1.65%) XQuery
15 5 (1.38%) CQL
Qualifications
1 28 (7.71%) Degree
2 17 (4.68%) Computer Science Degree
3 9 (2.48%) Security Cleared
4 8 (2.20%) SC Cleared
5 6 (1.65%) BPSS Clearance
6 5 (1.38%) AWS Certification
6 5 (1.38%) Master's Degree
7 2 (0.55%) PMP
8 1 (0.28%) FFIEC
8 1 (0.28%) MCSE
8 1 (0.28%) Microsoft Certification
8 1 (0.28%) PhD
Quality Assurance & Compliance
1 21 (5.79%) Data Quality
2 7 (1.93%) SLA
3 5 (1.38%) QA
4 2 (0.55%) GDPR
5 1 (0.28%) GLBA
5 1 (0.28%) NIST
5 1 (0.28%) PCI DSS
System Software
1 146 (40.22%) Docker
2 23 (6.34%) HDFS
3 14 (3.86%) Apache Flume
4 8 (2.20%) Apache ZooKeeper
5 4 (1.10%) Active Directory
6 1 (0.28%) VMware Infrastructure
Systems Management
1 135 (37.19%) Kubernetes
2 64 (17.63%) Terraform
3 46 (12.67%) Ansible
4 28 (7.71%) Prometheus
5 26 (7.16%) Grafana
6 15 (4.13%) Puppet
7 12 (3.31%) Kibana
8 11 (3.03%) Graphite
8 11 (3.03%) logstash
9 7 (1.93%) Packer
10 6 (1.65%) HP Fortify
11 5 (1.38%) Hadoop YARN
11 5 (1.38%) Istio
11 5 (1.38%) ITRS Geneos
11 5 (1.38%) Rancher
12 4 (1.10%) Amdocs OSS
12 4 (1.10%) Marathon
12 4 (1.10%) Mesos
13 3 (0.83%) Netcool
14 2 (0.55%) Opscode Chef
Vendors
1 30 (8.26%) Oracle
2 27 (7.44%) Google
3 25 (6.89%) Databricks
4 19 (5.23%) Ab Initio
4 19 (5.23%) MapR
4 19 (5.23%) Red Hat
5 13 (3.58%) Teradata
6 11 (3.03%) Microsoft
7 10 (2.75%) Cloudera
7 10 (2.75%) SAP
8 7 (1.93%) Confluent
9 6 (1.65%) IBM
10 5 (1.38%) Alteryx
10 5 (1.38%) Black Duck
10 5 (1.38%) Checkmarx
10 5 (1.38%) Dynatrace
10 5 (1.38%) Salesforce.com
10 5 (1.38%) Solace
11 4 (1.10%) Informatica
11 4 (1.10%) SOASTA, Inc