Period
to 13 April 2021

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 13 April 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
UK
6 months to
13 Apr 2021
Same period 2020 Same period 2019
Rank 481 448 311
Rank change year-on-year -33 -137 +50
Contract jobs citing Apache Cassandra 174 260 792
As % of all contract jobs advertised in the UK 0.33% 0.43% 0.82%
As % of the Database & Business Intelligence category 1.56% 2.06% 3.65%
Number of daily rates quoted 107 181 577
10th Percentile £320 £411 £413
25th Percentile £455 £463 £488
Median daily rate (50th Percentile) £600 £550 £550
Median % change year-on-year +9.09% - +4.76%
75th Percentile £638 £638 £610
90th Percentile £688 £713 £700
UK excluding London median daily rate £450 £475 £500
% change year-on-year -5.26% -5.00% +11.11%
Number of hourly rates quoted 0 1 0
Median hourly rate - £40.00 -
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 11,149 12,634 21,718
As % of all contract IT jobs advertised in the UK 21.24% 21.09% 22.52%
Number of daily rates quoted 7,684 8,621 15,111
10th Percentile £319 £320 £320
25th Percentile £405 £400 £390
Median daily rate (50th Percentile) £500 £475 £475
Median % change year-on-year +5.26% - +2.15%
75th Percentile £588 £575 £575
90th Percentile £675 £675 £650
UK excluding London median daily rate £438 £450 £425
% change year-on-year -2.78% +5.88% +3.03%
Number of hourly rates quoted 187 178 240
10th Percentile £13.50 £14.10 £13.23
25th Percentile £19.00 £18.25 £18.00
Median hourly rate £26.00 £24.86 £30.00
Median % change year-on-year +4.61% -17.15% -
75th Percentile £43.38 £44.85 £46.96
90th Percentile £58.30 £58.45 £57.50
UK excluding London median hourly rate £23.43 £22.52 £31.25
% change year-on-year +4.02% -27.93% -10.71%

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 13 April 2021.

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 12 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 13 April 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
England -21 145 £600 +9.09% 76
London -39 103 £600 +4.35% 52
Work from Home -204 49 £413 -28.26% 18
UK excluding London +58 26 £450 -5.26% 29
South East +49 11 £450 +5.88% 6
Midlands +33 5 £405 +8.00% 10
East Midlands +31 5 £405 +15.71% 2
South West +66 4 £375 -6.25% 1
East of England +40 3 £500 +2.56% 1
North of England +32 3 £613 +23.12% 6
North West +19 2 £613 +26.29% 2
Yorkshire +24 1 - - 4

For the 6 months to 13 April 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 with a requirement for Apache Cassandra.

1 102 (58.62%) Kafka
2 93 (53.45%) Java
3 79 (45.40%) NoSQL
4 75 (43.10%) Agile Software Development
5 70 (40.23%) Microservices
6 64 (36.78%) AWS
7 59 (33.91%) Scala
7 59 (33.91%) MongoDB
8 57 (32.76%) Git (software)
9 53 (30.46%) SQL
9 53 (30.46%) Kubernetes
10 52 (29.89%) Linux
11 51 (29.31%) DevOps
12 46 (26.44%) Docker
13 45 (25.86%) Banking
14 43 (24.71%) Python
15 42 (24.14%) Apache Spark
16 39 (22.41%) Hadoop
17 38 (21.84%) Azure
17 38 (21.84%) Finance
18 37 (21.26%) PostgreSQL
19 36 (20.69%) Big Data
20 35 (20.11%) Amazon DynamoDB
21 33 (18.97%) Spring
21 33 (18.97%) Investment Banking
22 32 (18.39%) MySQL
23 28 (16.09%) TDD
23 28 (16.09%) Redis
23 28 (16.09%) Problem-Solving
24 27 (15.52%) Oracle

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 42 (24.14%) Apache Spark
2 17 (9.77%) Apache
3 14 (8.05%) Elasticsearch
4 13 (7.47%) Tomcat
5 10 (5.75%) Apache Airflow
6 9 (5.17%) Confluence
7 6 (3.45%) Apache Solr
8 5 (2.87%) GeoServer
8 5 (2.87%) JBoss
8 5 (2.87%) Luigi
9 4 (2.30%) Apache Pig
9 4 (2.30%) Apache Pulsar
9 4 (2.30%) Jetty
10 3 (1.72%) GemFire
10 3 (1.72%) WebSphere
11 2 (1.15%) Cloud Foundry
11 2 (1.15%) IBM Domino
11 2 (1.15%) IIS
11 2 (1.15%) nginx
11 2 (1.15%) SAS
Applications
1 2 (1.15%) Microsoft Excel
1 2 (1.15%) SPSS
Business Applications
1 1 (0.57%) Unica
Cloud Services
1 64 (36.78%) AWS
2 38 (21.84%) Azure
3 12 (6.90%) Amazon S3
4 11 (6.32%) GCP
4 11 (6.32%) Serverless
5 10 (5.75%) Amazon EC2
5 10 (5.75%) Amazon EMR
6 9 (5.17%) AWS Lambda
7 7 (4.02%) Amazon Kinesis
8 6 (3.45%) AWS CloudFormation
8 6 (3.45%) GitHub
9 5 (2.87%) SaaS
10 4 (2.30%) Amazon ElastiCache
11 3 (1.72%) Akamai
11 3 (1.72%) AWS Step Functions
11 3 (1.72%) Azure Active Directory
11 3 (1.72%) Cloud Functions
11 3 (1.72%) Google App Engine
11 3 (1.72%) OpenShift
11 3 (1.72%) Route 53
Communications & Networking
1 8 (4.60%) TCP/IP
2 6 (3.45%) HTTP
2 6 (3.45%) IPv4
2 6 (3.45%) IPv6
2 6 (3.45%) iSCSI
2 6 (3.45%) Network Security
3 3 (1.72%) Firewall
3 3 (1.72%) VPN
4 1 (0.57%) DNS
Database & Business Intelligence
1 79 (45.40%) NoSQL
2 59 (33.91%) MongoDB
3 39 (22.41%) Hadoop
4 37 (21.26%) PostgreSQL
5 36 (20.69%) Big Data
6 35 (20.11%) Amazon DynamoDB
7 32 (18.39%) MySQL
8 28 (16.09%) Redis
9 24 (13.79%) Apache Hive
9 24 (13.79%) HBase
9 24 (13.79%) Relational Database
10 22 (12.64%) Data Warehouse
10 22 (12.64%) SQL Server
11 13 (7.47%) Impala
12 10 (5.75%) Data Lake
13 9 (5.17%) Amazon Athena
13 9 (5.17%) Amazon RDS
13 9 (5.17%) Amazon Redshift
14 8 (4.60%) Presto
14 8 (4.60%) RDBMS
Development Applications
1 57 (32.76%) Git (software)
2 19 (10.92%) Jenkins
3 12 (6.90%) JIRA
3 12 (6.90%) Mockito
4 10 (5.75%) Bitbucket
4 10 (5.75%) Gatling
5 9 (5.17%) Maven
6 8 (4.60%) Artifactory
7 7 (4.02%) Gradle
8 5 (2.87%) GitLab
8 5 (2.87%) JUnit
8 5 (2.87%) TeamCity
9 4 (2.30%) Subversion
10 3 (1.72%) ERwin
10 3 (1.72%) Jasmine
11 2 (1.15%) IBM UrbanCode
11 2 (1.15%) Pylint
11 2 (1.15%) SonarQube
11 2 (1.15%) Sonatype Nexus
11 2 (1.15%) Sourcetree
General
1 45 (25.86%) Banking
2 38 (21.84%) Finance
3 33 (18.97%) Investment Banking
4 23 (13.22%) Front Office
5 6 (3.45%) Marketing
6 5 (2.87%) French Language
6 5 (2.87%) Retail
7 2 (1.15%) Financial Institution
7 2 (1.15%) Games
8 1 (0.57%) Advertising
8 1 (0.57%) Electronics
8 1 (0.57%) Public Sector
8 1 (0.57%) Telecoms
Job Titles
1 94 (54.02%) Developer
2 43 (24.71%) Java Developer
3 26 (14.94%) Senior Developer
4 18 (10.34%) Scala Developer
5 13 (7.47%) Data Engineer
6 11 (6.32%) DevOps Engineer
7 10 (5.75%) Architect
7 10 (5.75%) Senior Java Developer
8 9 (5.17%) Big Data Developer
9 8 (4.60%) .NET Developer
10 7 (4.02%) Core Java Developer
10 7 (4.02%) Python Developer
10 7 (4.02%) Senior .NET Developer
10 7 (4.02%) Senior Scala Developer
11 6 (3.45%) Consultant
12 5 (2.87%) Big Data Engineer
12 5 (2.87%) ETL Developer
12 5 (2.87%) Front Office Developer
12 5 (2.87%) Full Stack Developer
12 5 (2.87%) Software Engineer
Libraries, Frameworks & Software Standards
1 102 (58.62%) Kafka
2 33 (18.97%) Spring
3 26 (14.94%) REST
4 24 (13.79%) Web Services
5 22 (12.64%) RESTful
6 19 (10.92%) Akka
7 17 (9.77%) CSS
7 17 (9.77%) Hibernate
7 17 (9.77%) Node.js
7 17 (9.77%) Spring Boot
8 14 (8.05%) HTML
8 14 (8.05%) JPA
9 13 (7.47%) JSON
10 12 (6.90%) React
11 11 (6.32%) .NET
11 11 (6.32%) Spark Streaming
11 11 (6.32%) Spring MVC
12 10 (5.75%) Play Framework
12 10 (5.75%) spray
13 9 (5.17%) AngularJS
Miscellaneous
1 13 (7.47%) Derivative
1 13 (7.47%) Management Information System
2 10 (5.75%) Clustering
3 9 (5.17%) Greenfield Project
4 7 (4.02%) Algorithms
4 7 (4.02%) Analytical Skills
5 6 (3.45%) Self-Motivation
6 5 (2.87%) Data Structures
6 5 (2.87%) Fixed Income
7 4 (2.30%) Cloud Native
8 3 (1.72%) Data Centre
8 3 (1.72%) Linux Command Line
8 3 (1.72%) N-Tier
8 3 (1.72%) Public Cloud
8 3 (1.72%) User Experience
9 2 (1.15%) Equities
10 1 (0.57%) Blog
10 1 (0.57%) CMDB
10 1 (0.57%) Media Streaming
10 1 (0.57%) Online Banking
Operating Systems
1 52 (29.89%) Linux
2 13 (7.47%) Unix
3 7 (4.02%) Ubuntu
4 5 (2.87%) Red Hat Enterprise Linux
5 3 (1.72%) Android
5 3 (1.72%) Windows
6 2 (1.15%) Apple iOS
6 2 (1.15%) CentOS
7 1 (0.57%) CoreOS
7 1 (0.57%) VMS
Processes & Methodologies
1 75 (43.10%) Agile Software Development
2 70 (40.23%) Microservices
3 51 (29.31%) DevOps
4 28 (16.09%) Problem-Solving
4 28 (16.09%) TDD
5 26 (14.94%) Analytics
6 23 (13.22%) Scrum
7 22 (12.64%) BDD
8 19 (10.92%) Continuous Integration
8 19 (10.92%) Event-Driven Architecture
8 19 (10.92%) High Availability
9 18 (10.34%) MVC
10 17 (9.77%) Fintech
11 16 (9.20%) Data Engineering
11 16 (9.20%) Software Engineering
11 16 (9.20%) Test Automation
12 15 (8.62%) Data Analytics
12 15 (8.62%) Machine Learning
12 15 (8.62%) Multithreading
13 14 (8.05%) Unit Testing
Programming Languages
1 93 (53.45%) Java
2 59 (33.91%) Scala
3 53 (30.46%) SQL
4 43 (24.71%) Python
5 25 (14.37%) JavaScript
6 21 (12.07%) Go
7 11 (6.32%) C#
8 7 (4.02%) Bash Shell
8 7 (4.02%) Groovy
8 7 (4.02%) Java 8
9 5 (2.87%) C++
9 5 (2.87%) PowerShell
9 5 (2.87%) R
9 5 (2.87%) TypeScript
10 4 (2.30%) PL/SQL
11 3 (1.72%) Clojure
11 3 (1.72%) Ruby
11 3 (1.72%) Shell Script
12 2 (1.15%) Kotlin
13 1 (0.57%) ES6
Qualifications
1 11 (6.32%) Security Cleared
2 8 (4.60%) Degree
3 7 (4.02%) SC Cleared
4 3 (1.72%) AWS Certification
4 3 (1.72%) Computer Science Degree
5 1 (0.57%) Master's Degree
5 1 (0.57%) TOGAF Certification
Quality Assurance & Compliance
1 2 (1.15%) Data Quality
1 2 (1.15%) PCI DSS
1 2 (1.15%) QA
2 1 (0.57%) SLA
System Software
1 46 (26.44%) Docker
2 14 (8.05%) HDFS
3 8 (4.60%) Apache Flume
4 3 (1.72%) Active Directory
5 1 (0.57%) Apache ZooKeeper
5 1 (0.57%) GlusterFS
5 1 (0.57%) VirtualBox
Systems Management
1 53 (30.46%) Kubernetes
2 22 (12.64%) Ansible
3 20 (11.49%) Grafana
4 17 (9.77%) Prometheus
4 17 (9.77%) Terraform
5 11 (6.32%) Puppet
6 8 (4.60%) Opscode Chef
7 6 (3.45%) Red Hat Satellite
8 4 (2.30%) Mesos
9 3 (1.72%) Oozie
10 2 (1.15%) Kibana
10 2 (1.15%) Rancher
10 2 (1.15%) Salt
11 1 (0.57%) Chronos
11 1 (0.57%) Istio
11 1 (0.57%) Marathon
11 1 (0.57%) Nagios
11 1 (0.57%) Packer
Vendors
1 27 (15.52%) Oracle
2 20 (11.49%) Atlassian
3 11 (6.32%) Red Hat
3 11 (6.32%) Splunk
4 10 (5.75%) Cloudera
4 10 (5.75%) Google
4 10 (5.75%) MapR
5 7 (4.02%) Microsoft
6 6 (3.45%) Ab Initio
6 6 (3.45%) F5
6 6 (3.45%) Teradata
7 3 (1.72%) Hortonworks
7 3 (1.72%) Informatica
7 3 (1.72%) Vertica
8 2 (1.15%) Alteryx
8 2 (1.15%) hybris
8 2 (1.15%) IBM
8 2 (1.15%) Rackspace
8 2 (1.15%) Talend
8 2 (1.15%) Twitter