Period
to 24 September 2021

The following table provides summary statistics for permanent job vacancies advertised in the City of London with a requirement for Apache Cassandra skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Apache Cassandra over the 6 months to 24 September 2021 with a comparison to the same period in the previous 2 years.

Apache Cassandra
Central London > City of London
6 months to
24 Sep 2021
Same period 2020 Same period 2019
Rank 191 145 218
Rank change year-on-year -46 +73 +50
Permanent jobs citing Apache Cassandra 62 52 113
As % of all permanent jobs advertised in the City of London 1.05% 1.36% 1.12%
As % of the Database & Business Intelligence category 3.51% 5.00% 3.57%
Number of salaries quoted 59 51 97
10th Percentile £69,500 £52,500 £60,000
25th Percentile £74,375 £65,000 £63,750
Median annual salary (50th Percentile) £95,000 £75,000 £77,500
Median % change year-on-year +26.67% -3.23% -
75th Percentile £110,000 £104,375 £91,250
90th Percentile £112,500 £110,000 £106,000
Central London median annual salary £95,000 £75,000 £77,500
% change year-on-year +26.67% -3.23% +6.90%

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 permanent job vacancies advertised in the City of London with a requirement for database or business intelligence skills.

All Database and Business Intelligence Skills
City of London
Permanent vacancies with a requirement for database or business intelligence skills 1,766 1,040 3,163
As % of all permanent IT jobs advertised in the City of London 29.83% 27.11% 31.32%
Number of salaries quoted 1,564 867 2,858
10th Percentile £46,250 £42,500 £42,500
25th Percentile £55,000 £52,500 £52,500
Median annual salary (50th Percentile) £72,500 £70,000 £67,500
Median % change year-on-year +3.57% +3.70% +3.85%
75th Percentile £95,000 £85,000 £85,000
90th Percentile £108,750 £100,000 £100,000
Central London median annual salary £72,500 £70,000 £65,000
% change year-on-year +3.57% +7.69% +3.59%

Apache Cassandra
Job Vacancy Trend in the City of London

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

Job vacancy trend for Apache Cassandra in the City of London

Apache Cassandra
Salary Trend in the City of London

3-month moving average salary quoted in jobs citing Apache Cassandra in the City of London.

Salary trend for Apache Cassandra in the City of London

Apache Cassandra
Salary Histogram in the City of London

Salary distribution for jobs citing Apache Cassandra in the City of London over the 6 months to 24 September 2021.

Salary histogram for Apache Cassandra in the City of London

For the 6 months to 24 September 2021, IT 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 permanent job ads across the City of London region with a requirement for Apache Cassandra.

1 43 (69.35%) Java
2 41 (66.13%) Agile Software Development
2 41 (66.13%) MongoDB
2 41 (66.13%) Kafka
3 39 (62.90%) Hadoop
4 32 (51.61%) Big Data
5 28 (45.16%) Java 8
6 27 (43.55%) Kubernetes
6 27 (43.55%) Multithreading
7 25 (40.32%) Self-Motivation
8 21 (33.87%) AWS
8 21 (33.87%) NoSQL
9 19 (30.65%) ActiveMQ
9 19 (30.65%) JMS
9 19 (30.65%) Clean Code
10 17 (27.42%) Finance
11 16 (25.81%) Microservices
11 16 (25.81%) Ansible
11 16 (25.81%) DevOps
12 15 (24.19%) Python
13 13 (20.97%) Linux
13 13 (20.97%) Jenkins
14 12 (19.35%) Puppet
14 12 (19.35%) TDD
14 12 (19.35%) Atlassian Bamboo
14 12 (19.35%) Elasticsearch
14 12 (19.35%) Apache Spark
15 10 (16.13%) Continuous Integration
15 10 (16.13%) Azure
15 10 (16.13%) Apache ZooKeeper

Apache Cassandra
Co-occurring IT Skills in the City of 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 12 (19.35%) Apache Spark
1 12 (19.35%) Elasticsearch
2 5 (8.06%) OpenStack
3 2 (3.23%) Drupal
4 1 (1.61%) Apache Pig
4 1 (1.61%) Apache Pulsar
4 1 (1.61%) nginx
4 1 (1.61%) Traefik
Applications
1 1 (1.61%) Weka
Cloud Services
1 21 (33.87%) AWS
2 10 (16.13%) Azure
3 9 (14.52%) GCP
3 9 (14.52%) SaaS
4 4 (6.45%) OpenShift
4 4 (6.45%) Snowflake
5 3 (4.84%) Cloud Computing
6 2 (3.23%) Apigee
7 1 (1.61%) MinIO
Communications & Networking
1 4 (6.45%) HTTP
2 1 (1.61%) DNS
2 1 (1.61%) Firewall
2 1 (1.61%) VLAN
Database & Business Intelligence
1 41 (66.13%) MongoDB
2 39 (62.90%) Hadoop
3 32 (51.61%) Big Data
4 21 (33.87%) NoSQL
5 6 (9.68%) Amazon DynamoDB
5 6 (9.68%) SQL Server
6 5 (8.06%) HBase
6 5 (8.06%) PostgreSQL
6 5 (8.06%) Relational Database
7 4 (6.45%) ArangoDB
7 4 (6.45%) Data Lake
7 4 (6.45%) KDB
7 4 (6.45%) MySQL
8 2 (3.23%) MariaDB
8 2 (3.23%) Redis
9 1 (1.61%) Apache Hive
9 1 (1.61%) Couchbase
9 1 (1.61%) Data Mining
9 1 (1.61%) RDBMS
9 1 (1.61%) Scylla
Development Applications
1 13 (20.97%) Jenkins
2 12 (19.35%) Atlassian Bamboo
3 4 (6.45%) Git (software)
3 4 (6.45%) Maven
4 3 (4.84%) Gradle
5 2 (3.23%) GitLab
6 1 (1.61%) JIRA
6 1 (1.61%) Travis CI
General
1 17 (27.42%) Finance
2 5 (8.06%) Social Skills
3 4 (6.45%) Advertising
4 3 (4.84%) Front Office
5 1 (1.61%) Analytical Skills
5 1 (1.61%) Banking
5 1 (1.61%) Documentation Skills
Job Titles
1 38 (61.29%) Developer
2 32 (51.61%) Java Developer
3 8 (12.90%) DevOps Engineer
4 7 (11.29%) DevOps Manager
5 6 (9.68%) Senior Developer
6 5 (8.06%) Architect
6 5 (8.06%) Data Architect
6 5 (8.06%) Lead Developer
7 4 (6.45%) Lead Architect
7 4 (6.45%) Lead Data Architect
7 4 (6.45%) Lead Java Developer
7 4 (6.45%) React Developer
8 3 (4.84%) Java Engineer
8 3 (4.84%) Senior Java Engineer
8 3 (4.84%) Senior React Developer
8 3 (4.84%) Site Reliability Engineer
9 2 (3.23%) Drupal Developer
9 2 (3.23%) IT Architect
9 2 (3.23%) Senior Java Developer
9 2 (3.23%) Site Engineer
Libraries, Frameworks & Software Standards
1 41 (66.13%) Kafka
2 19 (30.65%) ActiveMQ
2 19 (30.65%) JMS
3 7 (11.29%) Protocol Buffers
4 6 (9.68%) Apache Thrift
4 6 (9.68%) Lucene
4 6 (9.68%) React
4 6 (9.68%) Spring
5 4 (6.45%) Redux
5 4 (6.45%) XMPP
6 2 (3.23%) Elastic Stack
6 2 (3.23%) Spring Boot
7 1 (1.61%) Angular 2
7 1 (1.61%) ggplot
7 1 (1.61%) GraphQL
7 1 (1.61%) gRPC
7 1 (1.61%) LEMP Stack
7 1 (1.61%) Play Framework
7 1 (1.61%) React Native
7 1 (1.61%) Vert.x
Miscellaneous
1 25 (40.32%) Self-Motivation
2 6 (9.68%) Video\Live Streaming
3 5 (8.06%) Algorithms
3 5 (8.06%) Private Cloud
4 4 (6.45%) Data Structures
5 3 (4.84%) Derivative
6 2 (3.23%) Mobile App
7 1 (1.61%) Cloud Native
7 1 (1.61%) Management Information System
7 1 (1.61%) PKI
Operating Systems
1 13 (20.97%) Linux
2 6 (9.68%) Unix
3 1 (1.61%) CentOS
Processes & Methodologies
1 41 (66.13%) Agile Software Development
2 27 (43.55%) Multithreading
3 19 (30.65%) Clean Code
4 16 (25.81%) DevOps
4 16 (25.81%) Microservices
5 12 (19.35%) TDD
6 10 (16.13%) Continuous Integration
7 8 (12.90%) Analytics
7 8 (12.90%) Continuous Delivery
7 8 (12.90%) OO
7 8 (12.90%) OOD
8 7 (11.29%) Fintech
8 7 (11.29%) Test Automation
9 6 (9.68%) API Development
9 6 (9.68%) Data Science
10 5 (8.06%) Event-Driven
10 5 (8.06%) People Management
11 4 (6.45%) Garbage Collection
11 4 (6.45%) IT Strategy
11 4 (6.45%) SDLC
Programming Languages
1 43 (69.35%) Java
2 28 (45.16%) Java 8
3 15 (24.19%) Python
4 10 (16.13%) Bash Shell
5 8 (12.90%) SQL
6 7 (11.29%) JavaScript
6 7 (11.29%) Kotlin
7 4 (6.45%) Go
8 3 (4.84%) ES6
9 2 (3.23%) C#
9 2 (3.23%) Perl
9 2 (3.23%) PHP
9 2 (3.23%) Ruby
10 1 (1.61%) MATLAB
10 1 (1.61%) R
Qualifications
1 1 (1.61%) Degree
Quality Assurance & Compliance
1 2 (3.23%) Data Quality
1 2 (3.23%) QA
System Software
1 10 (16.13%) Apache ZooKeeper
2 8 (12.90%) Docker
3 3 (4.84%) VMware Infrastructure
4 1 (1.61%) Virtual Machines
Systems Management
1 27 (43.55%) Kubernetes
2 16 (25.81%) Ansible
3 12 (19.35%) Puppet
4 2 (3.23%) HAProxy
5 1 (1.61%) Docker Swarm
5 1 (1.61%) Grafana
5 1 (1.61%) Graphite
5 1 (1.61%) Opscode Chef
5 1 (1.61%) Prometheus
5 1 (1.61%) Salt
Vendors
1 4 (6.45%) Greenplum
2 3 (4.84%) VMware
3 2 (3.23%) Splunk
4 1 (1.61%) F5
4 1 (1.61%) Oracle