Period
to 23 January 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 23 January 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
23 Jan 2021
Same period 2020 Same period 2019
Rank 467 469 299
Rank change year-on-year +2 -170 +68
Contract jobs citing Apache Cassandra 134 296 875
As % of all contract jobs advertised in the UK 0.32% 0.41% 0.88%
As % of the Database & Business Intelligence category 1.48% 1.92% 3.88%
Number of daily rates quoted 101 205 672
Median daily rate £575 £550 £550
Median daily rate % change year-on-year +4.55% - +4.76%
10th Percentile £363 £413 £413
90th Percentile £665 £700 £700
UK excluding London median daily rate £495 £488 £513
% change year-on-year +1.54% -4.88% +17.14%
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 9,045 15,395 22,569
As % of all contract IT jobs advertised in the UK 21.56% 21.25% 22.64%
Number of daily rates quoted 6,165 10,489 15,742
Median daily rate £480 £475 £475
Median daily rate % change year-on-year +1.05% - +4.40%
10th Percentile £313 £319 £315
90th Percentile £650 £663 £644
UK excluding London median daily rate £425 £438 £425
% change year-on-year -2.86% +2.94% +6.25%
Number of hourly rates quoted 162 206 229
Median hourly rate £26.00 £26.00 £26.65
Median hourly rate % change year-on-year - -2.44% -9.66%
10th Percentile £13.99 £12.63 £12.95
90th Percentile £59.88 £55.25 £53.00
Median hourly rate £23.47 £22.55 £26.00
% change year-on-year +4.10% -13.29% -20.00%

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 23 January 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 11 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 23 January 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 +36 121 £588 +6.82% 53
London -11 82 £575 +4.55% 38
UK excluding London +135 25 £495 +1.54% 15
Work from Home -163 25 £485 -20.82% 8
Midlands +71 12 £476 -9.33% 2
East Midlands +45 12 £476 -26.77%
South East +110 6 £600 +24.68% 9
South West +96 3 £375 - 1
North of England +70 2 £613 +25.64% 2
East of England +61 2 £500 +5.26% 1
North West +44 2 £613 +23.74% 1

For the 6 months to 23 January 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 89 (66.42%) Kafka
2 77 (57.46%) Java
3 60 (44.78%) AWS
3 60 (44.78%) NoSQL
4 53 (39.55%) Microservices
5 51 (38.06%) Agile Software Development
6 41 (30.60%) SQL
7 38 (28.36%) Kubernetes
8 35 (26.12%) MongoDB
9 34 (25.37%) Scala
9 34 (25.37%) Banking
9 34 (25.37%) Linux
10 32 (23.88%) Spring
10 32 (23.88%) Git (software)
10 32 (23.88%) Apache Spark
11 31 (23.13%) Azure
12 30 (22.39%) Hadoop
12 30 (22.39%) Docker
13 28 (20.90%) DevOps
13 28 (20.90%) Big Data
13 28 (20.90%) Python
14 27 (20.15%) Finance
15 25 (18.66%) REST
15 25 (18.66%) Jenkins
16 24 (17.91%) Amazon DynamoDB
17 21 (15.67%) PostgreSQL
18 20 (14.93%) TDD
18 20 (14.93%) Relational Database
18 20 (14.93%) Fintech
18 20 (14.93%) Grafana

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 32 (23.88%) Apache Spark
2 10 (7.46%) Apache
3 8 (5.97%) Elasticsearch
4 6 (4.48%) Apache Airflow
5 5 (3.73%) Tomcat
6 4 (2.99%) Apache Pig
7 3 (2.24%) Confluence
7 3 (2.24%) Luigi
8 2 (1.49%) Apache Pulsar
9 1 (0.75%) Apache Solr
9 1 (0.75%) IBM Domino
9 1 (0.75%) IIS
9 1 (0.75%) JBoss
9 1 (0.75%) Jetty
9 1 (0.75%) nginx
Applications
1 2 (1.49%) Microsoft Excel
Business Applications
1 4 (2.99%) RMDS
Cloud Services
1 60 (44.78%) AWS
2 31 (23.13%) Azure
3 15 (11.19%) GCP
4 12 (8.96%) Amazon EC2
5 10 (7.46%) Amazon S3
5 10 (7.46%) Serverless
6 9 (6.72%) Amazon EMR
7 6 (4.48%) Amazon Kinesis
8 5 (3.73%) AWS Lambda
8 5 (3.73%) Azure Data Factory
9 4 (2.99%) Amazon CloudWatch
10 3 (2.24%) Amazon ElastiCache
10 3 (2.24%) Apigee
10 3 (2.24%) AWS CloudFormation
10 3 (2.24%) AWS Step Functions
10 3 (2.24%) Datadog
10 3 (2.24%) GitHub
11 2 (1.49%) Akamai
11 2 (1.49%) Azure Machine Learning
11 2 (1.49%) SaaS
Communications & Networking
1 6 (4.48%) TCP/IP
2 5 (3.73%) HTTP
3 4 (2.99%) IPv4
3 4 (2.99%) IPv6
3 4 (2.99%) iSCSI
3 4 (2.99%) Network Security
4 3 (2.24%) Firewall
4 3 (2.24%) Internet
5 1 (0.75%) DNS
5 1 (0.75%) VPN
Database & Business Intelligence
1 60 (44.78%) NoSQL
2 35 (26.12%) MongoDB
3 30 (22.39%) Hadoop
4 28 (20.90%) Big Data
5 24 (17.91%) Amazon DynamoDB
6 21 (15.67%) PostgreSQL
7 20 (14.93%) Relational Database
8 19 (14.18%) HBase
9 18 (13.43%) MySQL
9 18 (13.43%) Redis
10 16 (11.94%) Apache Hive
11 14 (10.45%) Data Warehouse
12 13 (9.70%) Data Lake
13 9 (6.72%) Impala
13 9 (6.72%) SQL Server
14 8 (5.97%) Amazon Redshift
15 7 (5.22%) Amazon RDS
16 6 (4.48%) Amazon Athena
16 6 (4.48%) Presto
17 5 (3.73%) Cosmos DB
Development Applications
1 32 (23.88%) Git (software)
2 25 (18.66%) Jenkins
3 13 (9.70%) JIRA
3 13 (9.70%) Maven
4 9 (6.72%) Mockito
5 8 (5.97%) JUnit
6 7 (5.22%) Gradle
7 5 (3.73%) Cucumber
7 5 (3.73%) Hudson
7 5 (3.73%) Selenium
8 4 (2.99%) Gatling
8 4 (2.99%) GitLab
9 3 (2.24%) Bitbucket
9 3 (2.24%) ERwin
9 3 (2.24%) TeamCity
10 2 (1.49%) Jasmine
11 1 (0.75%) Ant
11 1 (0.75%) Artifactory
11 1 (0.75%) Eclipse
11 1 (0.75%) IntelliJ
General
1 34 (25.37%) Banking
2 27 (20.15%) Finance
3 16 (11.94%) Investment Banking
4 13 (9.70%) Front Office
5 3 (2.24%) Marketing
5 3 (2.24%) Retail
6 2 (1.49%) Advertising
6 2 (1.49%) Games
6 2 (1.49%) Manufacturing
6 2 (1.49%) Military
7 1 (0.75%) Financial Institution
Job Titles
1 63 (47.01%) Developer
2 37 (27.61%) Java Developer
3 13 (9.70%) Data Engineer
3 13 (9.70%) Senior Developer
4 11 (8.21%) Architect
5 8 (5.97%) Senior Java Developer
6 7 (5.22%) Azure Engineer
6 7 (5.22%) Full Stack Developer
6 7 (5.22%) Java Engineer
6 7 (5.22%) Scala Developer
7 6 (4.48%) AWS Architect
7 6 (4.48%) Software Engineer
8 5 (3.73%) Cloud Architect
8 5 (3.73%) Consultant
8 5 (3.73%) Senior Scala Developer
8 5 (3.73%) Support Engineer
9 4 (2.99%) Applications Engineer
9 4 (2.99%) Big Data Engineer
9 4 (2.99%) Cloud Engineer
9 4 (2.99%) DevOps Engineer
Libraries, Frameworks & Software Standards
1 89 (66.42%) Kafka
2 32 (23.88%) Spring
3 25 (18.66%) REST
4 18 (13.43%) Web Services
5 15 (11.19%) Spring Boot
6 11 (8.21%) JSON
7 10 (7.46%) CSS
7 10 (7.46%) Node.js
8 9 (6.72%) GraphQL
8 9 (6.72%) RESTful
9 8 (5.97%) Akka
9 8 (5.97%) Spring MVC
9 8 (5.97%) Spring Security
10 6 (4.48%) AngularJS
10 6 (4.48%) Spark Streaming
11 5 (3.73%) Play Framework
11 5 (3.73%) React
11 5 (3.73%) spray
11 5 (3.73%) XML
12 4 (2.99%) .NET
Miscellaneous
1 13 (9.70%) Analytical Skills
2 9 (6.72%) Derivative
3 8 (5.97%) Data Structures
4 7 (5.22%) Management Information System
5 5 (3.73%) Algorithms
5 5 (3.73%) Clustering
5 5 (3.73%) Foreign Exchange (FX)
5 5 (3.73%) Greenfield Project
5 5 (3.73%) Linux Command Line
6 4 (2.99%) Cloud Native
6 4 (2.99%) Equities
6 4 (2.99%) Public Cloud
7 2 (1.49%) Enterprise Software
7 2 (1.49%) FMCG
8 1 (0.75%) CMDB
8 1 (0.75%) Data Centre
8 1 (0.75%) Media Streaming
8 1 (0.75%) Online Banking
8 1 (0.75%) Online Games
8 1 (0.75%) User Experience
Operating Systems
1 34 (25.37%) Linux
2 15 (11.19%) Unix
3 7 (5.22%) Android
3 7 (5.22%) Apple iOS
4 4 (2.99%) Red Hat Enterprise Linux
5 2 (1.49%) Ubuntu
6 1 (0.75%) CentOS
6 1 (0.75%) Windows
Processes & Methodologies
1 53 (39.55%) Microservices
2 51 (38.06%) Agile Software Development
3 28 (20.90%) DevOps
4 20 (14.93%) Fintech
4 20 (14.93%) TDD
5 18 (13.43%) Machine Learning
6 17 (12.69%) Analytics
7 15 (11.19%) Data Science
7 15 (11.19%) Problem-Solving
7 15 (11.19%) Unit Testing
8 14 (10.45%) Open Source
8 14 (10.45%) Software Engineering
9 13 (9.70%) Computer Science
9 13 (9.70%) High Availability
10 12 (8.96%) Continuous Integration
10 12 (8.96%) Data Modelling
10 12 (8.96%) Event-Driven Architecture
11 11 (8.21%) API Design
12 10 (7.46%) ETL
12 10 (7.46%) Migration
Programming Languages
1 77 (57.46%) Java
2 41 (30.60%) SQL
3 34 (25.37%) Scala
4 28 (20.90%) Python
5 19 (14.18%) JavaScript
6 18 (13.43%) Java 8
7 17 (12.69%) Go
8 6 (4.48%) Kotlin
8 6 (4.48%) Shell Script
9 5 (3.73%) Bash Shell
9 5 (3.73%) C++
10 4 (2.99%) C#
10 4 (2.99%) Clojure
10 4 (2.99%) Perl
10 4 (2.99%) PL/SQL
10 4 (2.99%) R
11 3 (2.24%) ClojureScript
11 3 (2.24%) Ruby
11 3 (2.24%) TypeScript
12 2 (1.49%) Groovy
Qualifications
1 13 (9.70%) Degree
2 7 (5.22%) Security Cleared
2 7 (5.22%) TOGAF Certification
3 5 (3.73%) Computer Science Degree
3 5 (3.73%) SC Cleared
4 4 (2.99%) AWS Certification
5 3 (2.24%) Master's Degree
6 1 (0.75%) PhD
Quality Assurance & Compliance
1 5 (3.73%) QA
2 3 (2.24%) PCI DSS
3 2 (1.49%) Data Quality
3 2 (1.49%) SLA
System Software
1 30 (22.39%) Docker
2 12 (8.96%) HDFS
3 7 (5.22%) Apache Flume
4 4 (2.99%) Apache ZooKeeper
Systems Management
1 38 (28.36%) Kubernetes
2 20 (14.93%) Grafana
3 18 (13.43%) Prometheus
4 15 (11.19%) Ansible
5 12 (8.96%) Opscode Chef
6 9 (6.72%) Terraform
7 8 (5.97%) Puppet
8 5 (3.73%) Rundeck
9 4 (2.99%) Red Hat Satellite
10 3 (2.24%) Mesos
10 3 (2.24%) Nagios
11 2 (1.49%) Oozie
12 1 (0.75%) Chronos
12 1 (0.75%) Kibana
12 1 (0.75%) linkerd
12 1 (0.75%) Marathon
12 1 (0.75%) Packer
12 1 (0.75%) Rancher
Vendors
1 18 (13.43%) Oracle
2 10 (7.46%) Splunk
3 9 (6.72%) Atlassian
4 8 (5.97%) Red Hat
5 7 (5.22%) Cloudera
5 7 (5.22%) Google
5 7 (5.22%) Salesforce.com
6 6 (4.48%) Microsoft
6 6 (4.48%) Teradata
7 5 (3.73%) MapR
8 4 (2.99%) F5
8 4 (2.99%) Hortonworks
8 4 (2.99%) Informatica
9 3 (2.24%) Dynatrace
9 3 (2.24%) Vertica
10 2 (1.49%) Databricks
10 2 (1.49%) Talend
11 1 (0.75%) hybris
11 1 (0.75%) Rackspace
11 1 (0.75%) Twitter