Period
to 22 September 2018

The following table provides summary statistics for permanent job vacancies advertised in 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 22 September 2018 with a comparison to the same period in the previous 2 years.

Apache Cassandra
England > London
6 months to
22 Sep 2018
Same period 2017 Same period 2016
Rank 318 241 284
Rank change year-on-year -77 +43 +56
Permanent jobs citing Apache Cassandra 678 1,109 962
As % of all permanent IT jobs advertised in London 0.99% 1.48% 1.22%
As % of the Database & Business Intelligence category 3.18% 5.03% 4.11%
Number of salaries quoted 489 772 808
London median annual salary £70,000 £70,000 £67,500
Median salary % change year-on-year - +3.70% -
10th Percentile £47,500 £48,750 £44,625
90th Percentile £102,500 £96,250 £97,875
England median annual salary £65,000 £65,000 £60,000
% change year-on-year - +8.33% -4.00%

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

All Database and Business Intelligence Skills
London
Permanent vacancies with a requirement for database or business intelligence skills 21,288 22,067 23,425
As % of all permanent IT jobs advertised in London 31.12% 29.46% 29.65%
Number of salaries quoted 16,914 17,736 20,407
London median annual salary £62,500 £60,000 £57,500
Median salary % change year-on-year +4.17% +4.35% +4.55%
10th Percentile £37,500 £36,250 £35,000
90th Percentile £93,750 £90,000 £87,500
England median annual salary £50,000 £49,000 £47,500
% change year-on-year +2.04% +3.16% +5.56%

Apache Cassandra
Job Vacancy Trend in London

Job postings citing Apache Cassandra as a percentage of all IT jobs advertised in London.

Job vacancy trend for Apache Cassandra in London

Apache Cassandra
Salary Trend in London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Apache Cassandra in London.

Salary trend for Apache Cassandra in London

Apache Cassandra
Salary Histogram in London

The salary distribution of IT jobs citing Apache Cassandra in London over the 6 months to 22 September 2018.

Salary histogram for Apache Cassandra in London

Apache Cassandra
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Apache Cassandra within the London region over the 6 months to 22 September 2018. 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Central London -30 111 £72,500 +3.57% 28
West London -26 25 £52,500 -20.75% 16
East London -2 7 £95,250 +90.50% 3
North London +8 4 £70,000 - 7
South London +1 1 £115,000 +187.50%
Apache Cassandra
England

For the 6 months to 22 September 2018, 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 London region with a requirement for Apache Cassandra.

1 421 (62.09%) Java
2 365 (53.83%) NoSQL
3 316 (46.61%) Python
4 314 (46.31%) Agile Software Development
4 314 (46.31%) Kafka
5 313 (46.17%) Amazon AWS
6 306 (45.13%) Apache Spark
7 290 (42.77%) MongoDB
8 280 (41.30%) Scala
8 280 (41.30%) Big Data
9 256 (37.76%) Hadoop
10 191 (28.17%) DevOps
11 173 (25.52%) Finance
12 172 (25.37%) SQL
13 166 (24.48%) Docker
14 164 (24.19%) Machine Learning
15 163 (24.04%) Software Engineering
16 160 (23.60%) Web Services
17 159 (23.45%) Spring
18 156 (23.01%) Apache Hive
19 155 (22.86%) HBase
20 145 (21.39%) Linux
21 141 (20.80%) Microservices
22 132 (19.47%) Data Science
23 131 (19.32%) Analytics
23 131 (19.32%) TDD
24 130 (19.17%) JavaScript
25 129 (19.03%) Microsoft Azure
26 119 (17.55%) Kubernetes
27 117 (17.26%) MySQL

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
1 306 (45.13%) Apache Spark
2 116 (17.11%) Elasticsearch
3 95 (14.01%) Apache
4 51 (7.52%) Apache Pig
5 46 (6.78%) Apache Solr
6 29 (4.28%) Oracle SOA Suite
7 27 (3.98%) Tomcat
8 21 (3.10%) Confluence
9 20 (2.95%) OpenStack
10 15 (2.21%) Jetty
11 13 (1.92%) Cloud Foundry
12 9 (1.33%) SAS
13 7 (1.03%) CMS
13 7 (1.03%) WebSphere
14 6 (0.88%) IIS
14 6 (0.88%) JBoss
14 6 (0.88%) nginx
14 6 (0.88%) WebSphere Application Server
15 5 (0.74%) WebLogic
16 3 (0.44%) MS Exchange
Applications
1 2 (0.29%) Microsoft Excel
1 2 (0.29%) Microsoft PowerPoint
1 2 (0.29%) SPSS
2 1 (0.15%) Mingle
2 1 (0.15%) Stata
2 1 (0.15%) Weka
Business Applications
1 28 (4.13%) Payment Gateway
2 3 (0.44%) Dynamics AX
2 3 (0.44%) Dynamics CRM
2 3 (0.44%) Dynamics NAV
3 1 (0.15%) Oracle Cash Management
Cloud Services
1 313 (46.17%) Amazon AWS
2 129 (19.03%) Microsoft Azure
3 91 (13.42%) Google Cloud Platform
4 38 (5.60%) Amazon EMR
5 36 (5.31%) SaaS
6 29 (4.28%) Serverless
7 28 (4.13%) OpenShift
8 27 (3.98%) PaaS
9 26 (3.83%) Amazon S3
10 19 (2.80%) GitHub
10 19 (2.80%) IaaS
11 18 (2.65%) Amazon Kinesis
11 18 (2.65%) Cortana Intelligence Suite
12 17 (2.51%) AWS Lambda
13 13 (1.92%) Amazon EC2
13 13 (1.92%) Cloud Computing
13 13 (1.92%) Google App Engine
13 13 (1.92%) IBM Cloud
14 12 (1.77%) Loggly
14 12 (1.77%) Sumo Logic
Communications & Networking
1 34 (5.01%) HTTP
2 15 (2.21%) TCP/IP
3 14 (2.06%) Internet
4 13 (1.92%) FIX Connectivity
4 13 (1.92%) LAN
4 13 (1.92%) WAN
5 10 (1.47%) SMPP
6 9 (1.33%) DNS
7 8 (1.18%) Firewall
8 5 (0.74%) Kerberos
8 5 (0.74%) SSL
9 4 (0.59%) VPN
10 3 (0.44%) iSCSI
11 2 (0.29%) Intrusion Detection
11 2 (0.29%) VLAN
12 1 (0.15%) Cisco ASA
12 1 (0.15%) DHCP
12 1 (0.15%) HTTPS
12 1 (0.15%) SNMP
12 1 (0.15%) SSH
Database & Business Intelligence
1 365 (53.83%) NoSQL
2 290 (42.77%) MongoDB
3 280 (41.30%) Big Data
4 256 (37.76%) Hadoop
5 156 (23.01%) Apache Hive
6 155 (22.86%) HBase
7 117 (17.26%) MySQL
8 95 (14.01%) Redis
9 89 (13.13%) Impala
10 87 (12.83%) PostgreSQL
11 65 (9.59%) Relational Database
12 61 (9.00%) SQL Server
13 57 (8.41%) Amazon Redshift
14 52 (7.67%) Data Warehouse
15 51 (7.52%) Flink
16 49 (7.23%) CouchDB
17 38 (5.60%) Amazon DynamoDB
18 35 (5.16%) Couchbase
19 33 (4.87%) Neo4j
20 29 (4.28%) Data Lake
Development Applications
1 112 (16.52%) Jenkins
2 111 (16.37%) Git (software)
3 62 (9.14%) Maven
4 37 (5.46%) JUnit
5 36 (5.31%) Selenium
5 36 (5.31%) Sonatype Nexus
6 24 (3.54%) SoapUI
7 23 (3.39%) JIRA
8 21 (3.10%) Cucumber
9 18 (2.65%) Protractor
9 18 (2.65%) Subversion
10 16 (2.36%) TestNG
11 13 (1.92%) Visual Studio
12 12 (1.77%) Visual Studio Team System
13 11 (1.62%) GoCD
13 11 (1.62%) Mockito
13 11 (1.62%) Vagrant
14 10 (1.47%) Gradle
14 10 (1.47%) Hamcrest
14 10 (1.47%) jMock
General
1 173 (25.52%) Finance
2 89 (13.13%) Banking
3 56 (8.26%) Games
4 42 (6.19%) Retail
5 35 (5.16%) Advertising
6 33 (4.87%) Investment Banking
7 27 (3.98%) Financial Institution
8 20 (2.95%) Marketing
9 15 (2.21%) Pharmaceutical
10 13 (1.92%) Law
11 11 (1.62%) Telecoms
12 8 (1.18%) Retail Finance
13 7 (1.03%) Front Office
13 7 (1.03%) Manufacturing
13 7 (1.03%) Military
14 5 (0.74%) Publishing
15 3 (0.44%) Electronics
16 2 (0.29%) Automotive
16 2 (0.29%) Online Betting
17 1 (0.15%) Spanish Language
Job Titles
1 247 (36.43%) Developer
2 124 (18.29%) Data Engineer
3 108 (15.93%) Big Data Engineer
4 97 (14.31%) Java Developer
5 52 (7.67%) Senior Developer
6 51 (7.52%) Architect
7 49 (7.23%) Software Engineer
8 47 (6.93%) Java Engineer
9 43 (6.34%) DevOps Engineer
10 32 (4.72%) Scala Developer
11 30 (4.42%) Python Developer
12 28 (4.13%) Senior Java Developer
13 26 (3.83%) Data Architect
14 23 (3.39%) Big Data Architect
15 22 (3.24%) C++ Developer
16 20 (2.95%) Full Stack Developer
16 20 (2.95%) Senior Java Engineer
16 20 (2.95%) Senior Software Engineer
17 19 (2.80%) AWS Engineer
17 19 (2.80%) Java Software Engineer
Libraries, Frameworks & Software Standards
1 314 (46.31%) Kafka
2 160 (23.60%) Web Services
3 159 (23.45%) Spring
4 116 (17.11%) Akka
5 93 (13.72%) RESTful
6 91 (13.42%) REST
7 84 (12.39%) AngularJS
8 76 (11.21%) Node.js
9 74 (10.91%) RabbitMQ
10 67 (9.88%) Spring Boot
11 57 (8.41%) HTML
11 57 (8.41%) Vert.x
12 49 (7.23%) React
13 48 (7.08%) Hibernate
14 47 (6.93%) .NET
15 46 (6.78%) HTML5
16 34 (5.01%) Spark Streaming
17 31 (4.57%) Elastic Stack
18 29 (4.28%) Middleware
18 29 (4.28%) Play Framework
Miscellaneous
1 92 (13.57%) Algorithms
2 74 (10.91%) Computer Science
3 64 (9.44%) Data Structures
4 53 (7.82%) Fintech
5 39 (5.75%) Public Cloud
6 35 (5.16%) Fixed Income
7 32 (4.72%) Greenfield Project
8 28 (4.13%) Analytical Skills
9 27 (3.98%) Cyberthreat
9 27 (3.98%) Self-Motivation
10 23 (3.39%) Private Cloud
11 21 (3.10%) Virtual Team
12 18 (2.65%) Life Science
13 17 (2.51%) Enterprise Software
14 16 (2.36%) Derivative
14 16 (2.36%) Linux Command Line
15 13 (1.92%) Hedge funds
16 10 (1.47%) Foreign Exchange (FX)
17 8 (1.18%) Hybrid Cloud
18 7 (1.03%) Data Centre
Operating Systems
1 145 (21.39%) Linux
2 75 (11.06%) Unix
3 28 (4.13%) Windows
4 22 (3.24%) CentOS
5 18 (2.65%) Ubuntu
6 11 (1.62%) Red Hat Enterprise Linux
7 10 (1.47%) Windows Server
8 9 (1.33%) Android
8 9 (1.33%) Apple iOS
9 7 (1.03%) VMS
10 4 (0.59%) CoreOS
10 4 (0.59%) Debian
11 3 (0.44%) Windows Server 2003
11 3 (0.44%) Windows Server 2008
Processes & Methodologies
1 314 (46.31%) Agile Software Development
2 191 (28.17%) DevOps
3 164 (24.19%) Machine Learning
4 163 (24.04%) Software Engineering
5 141 (20.80%) Microservices
6 132 (19.47%) Data Science
7 131 (19.32%) Analytics
7 131 (19.32%) TDD
8 111 (16.37%) Continuous Integration
8 111 (16.37%) Open Source
9 100 (14.75%) Scrum
10 90 (13.27%) Test Automation
11 85 (12.54%) Problem-Solving
12 84 (12.39%) ETL
13 74 (10.91%) Data Analytics
14 66 (9.73%) SOA
15 62 (9.14%) MapReduce
16 56 (8.26%) Kanban
17 55 (8.11%) Continuous Delivery
18 53 (7.82%) OO
Programming Languages
1 421 (62.09%) Java
2 316 (46.61%) Python
3 280 (41.30%) Scala
4 172 (25.37%) SQL
5 130 (19.17%) JavaScript
6 76 (11.21%) Java 8
7 68 (10.03%) Bash Shell
8 67 (9.88%) C#
9 59 (8.70%) Go
10 54 (7.96%) Ruby
11 53 (7.82%) C++
12 27 (3.98%) C
13 26 (3.83%) PHP
14 18 (2.65%) Groovy
14 18 (2.65%) R
15 12 (1.77%) Kotlin
15 12 (1.77%) Shell Script
15 12 (1.77%) TypeScript
16 10 (1.47%) PowerShell
17 9 (1.33%) Perl
Qualifications
1 69 (10.18%) Degree
2 17 (2.51%) Master's Degree
3 16 (2.36%) Computer Science Degree
4 8 (1.18%) PhD
5 5 (0.74%) Security Cleared
6 4 (0.59%) DV Cleared
7 3 (0.44%) AWS Certification
8 2 (0.29%) VMware Certified Professional (VCP)
9 1 (0.15%) ISEB
9 1 (0.15%) ISTQB
9 1 (0.15%) ISTQB Foundation Certification
9 1 (0.15%) Numerate Degree
9 1 (0.15%) RHCE
9 1 (0.15%) SC Cleared
Quality Assurance & Compliance
1 41 (6.05%) QA
2 10 (1.47%) Data Quality
3 8 (1.18%) PCI DSS
4 6 (0.88%) GDPR
5 3 (0.44%) Solvency II
6 2 (0.29%) ISO/IEC 27001
6 2 (0.29%) PMO
7 1 (0.15%) HL7
7 1 (0.15%) PSD2
System Software
1 166 (24.48%) Docker
2 71 (10.47%) Apache Flume
3 67 (9.88%) HDFS
4 19 (2.80%) VMware Infrastructure
5 15 (2.21%) Apache ZooKeeper
6 13 (1.92%) Active Directory
7 10 (1.47%) KVM
8 7 (1.03%) iptables
8 7 (1.03%) QEMU
9 4 (0.59%) Virtual Machines
9 4 (0.59%) VirtualBox
10 3 (0.44%) LXC
10 3 (0.44%) VMware ESXi
11 2 (0.29%) Hyper-V
11 2 (0.29%) Oracle RAC
11 2 (0.29%) Varnish
12 1 (0.15%) Ceph
12 1 (0.15%) GridGain
12 1 (0.15%) Xen
12 1 (0.15%) zsh
Systems Management
1 119 (17.55%) Kubernetes
2 91 (13.42%) Ansible
3 78 (11.50%) Puppet
4 65 (9.59%) Terraform
5 52 (7.67%) Opscode Chef
6 51 (7.52%) Prometheus
7 49 (7.23%) Hadoop YARN
8 48 (7.08%) Mesos
9 36 (5.31%) Oozie
10 33 (4.87%) Grafana
11 31 (4.57%) Kibana
12 29 (4.28%) logstash
13 20 (2.95%) Nagios
14 12 (1.77%) ZABBIX
15 10 (1.47%) Salt
16 7 (1.03%) Graylog
17 6 (0.88%) CFEngine
17 6 (0.88%) Rancher
18 5 (0.74%) Cobbler
18 5 (0.74%) Packer
Vendors
1 111 (16.37%) Oracle
2 110 (16.22%) Google
3 84 (12.39%) Cloudera
4 77 (11.36%) Hortonworks
5 76 (11.21%) Microsoft
6 59 (8.70%) Splunk
7 51 (7.52%) MapR
8 43 (6.34%) IBM
9 34 (5.01%) Databricks
10 27 (3.98%) Rackspace
10 27 (3.98%) SAP
11 26 (3.83%) WorldPay
12 25 (3.69%) Talend
13 24 (3.54%) Tableau
14 21 (3.10%) AppDynamics
15 20 (2.95%) Informatica
15 20 (2.95%) VMware
16 17 (2.51%) HP
16 17 (2.51%) Vertica
17 16 (2.36%) TIBCO