Period
to 14 November 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 14 November 2018 with a comparison to the same period in the previous 2 years.

Apache Cassandra
England > London
6 months to
14 Nov 2018
Same period 2017 Same period 2016
Rank 304 254 274
Rank change year-on-year -50 +20 +48
Permanent jobs citing Apache Cassandra 691 1,074 940
As % of all permanent IT jobs advertised in London 1.02% 1.42% 1.24%
As % of the Database & Business Intelligence category 3.40% 4.81% 4.21%
Number of salaries quoted 503 767 787
London median annual salary £72,500 £70,000 £67,500
Median salary % change year-on-year +3.57% +3.70% -
10th Percentile £47,750 £47,500 £45,000
90th Percentile £107,500 £95,000 £100,000
England median annual salary £65,000 £65,000 £62,500
% change year-on-year - +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 20,322 22,321 22,306
As % of all permanent IT jobs advertised in London 30.09% 29.42% 29.38%
Number of salaries quoted 16,584 17,897 19,413
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 £95,000 £88,750 £87,500
England median annual salary £51,050 £50,000 £47,500
% change year-on-year +2.10% +5.26% +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 14 November 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 14 November 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 -17 147 £75,000 +11.11% 31
West London -14 25 £57,500 -22.03% 24
East London +4 8 £100,500 +82.73% 15
North London +13 5 £80,000 +14.29%
Apache Cassandra
England

For the 6 months to 14 November 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.

1 443 (64.11%) Java
2 363 (52.53%) NoSQL
3 340 (49.20%) Python
4 336 (48.63%) Amazon AWS
5 335 (48.48%) Agile Software Development
6 331 (47.90%) Apache Spark
7 316 (45.73%) Big Data
8 309 (44.72%) Kafka
9 273 (39.51%) Hadoop
10 262 (37.92%) Scala
11 247 (35.75%) MongoDB
12 202 (29.23%) Apache Hive
13 190 (27.50%) HBase
14 176 (25.47%) Machine Learning
15 173 (25.04%) DevOps
16 172 (24.89%) Finance
17 170 (24.60%) Software Engineering
18 156 (22.58%) SQL
19 155 (22.43%) Docker
20 154 (22.29%) Web Services
21 151 (21.85%) Analytics
22 149 (21.56%) Data Science
23 148 (21.42%) Microsoft Azure
24 145 (20.98%) Elasticsearch
24 145 (20.98%) Microservices
25 142 (20.55%) TDD
26 137 (19.83%) Linux
27 130 (18.81%) Spring
28 123 (17.80%) Scrum
29 117 (16.93%) JavaScript

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
1 331 (47.90%) Apache Spark
2 145 (20.98%) Elasticsearch
3 99 (14.33%) Apache
4 75 (10.85%) Apache Pig
5 45 (6.51%) Apache Solr
6 19 (2.75%) SAS
7 16 (2.32%) Confluence
7 16 (2.32%) Tomcat
8 9 (1.30%) OpenStack
9 7 (1.01%) Oracle SOA Suite
10 6 (0.87%) Cloud Foundry
10 6 (0.87%) Jetty
10 6 (0.87%) WebSphere
10 6 (0.87%) WebSphere Application Server
11 4 (0.58%) IIS
11 4 (0.58%) nginx
12 3 (0.43%) Exchange Server 2007
12 3 (0.43%) MS Exchange
12 3 (0.43%) WebLogic
12 3 (0.43%) WildFly
Applications
1 12 (1.74%) Snapchat
2 9 (1.30%) SPSS
3 6 (0.87%) Stata
Business Applications
1 23 (3.33%) Payment Gateway
2 3 (0.43%) Dynamics AX
2 3 (0.43%) Dynamics CRM
2 3 (0.43%) Dynamics NAV
3 1 (0.14%) Magento
3 1 (0.14%) Oracle Cash Management
Cloud Services
1 336 (48.63%) Amazon AWS
2 148 (21.42%) Microsoft Azure
3 87 (12.59%) Google Cloud Platform
4 28 (4.05%) Serverless
5 27 (3.91%) Amazon EMR
5 27 (3.91%) SaaS
6 24 (3.47%) Amazon Kinesis
7 23 (3.33%) PaaS
8 21 (3.04%) AWS Lambda
9 19 (2.75%) OpenShift
10 16 (2.32%) Cortana Intelligence Suite
11 15 (2.17%) Amazon S3
11 15 (2.17%) Cloud Computing
12 14 (2.03%) Amazon EC2
13 12 (1.74%) Azure Machine Learning
14 10 (1.45%) Amazon SQS
14 10 (1.45%) Azure Functions
14 10 (1.45%) Google App Engine
14 10 (1.45%) IaaS
14 10 (1.45%) IBM Cloud
Communications & Networking
1 51 (7.38%) HTTP
2 24 (3.47%) Internet
3 10 (1.45%) DNS
4 7 (1.01%) FIX Connectivity
4 7 (1.01%) LAN
4 7 (1.01%) TCP/IP
4 7 (1.01%) WAN
5 6 (0.87%) Firewall
6 5 (0.72%) VPN
7 4 (0.58%) Kerberos
7 4 (0.58%) SSL
8 3 (0.43%) iSCSI
8 3 (0.43%) SMPP
9 2 (0.29%) Intrusion Detection
9 2 (0.29%) VLAN
10 1 (0.14%) HTTPS
10 1 (0.14%) SNMP
10 1 (0.14%) SSH
Database & Business Intelligence
1 363 (52.53%) NoSQL
2 316 (45.73%) Big Data
3 273 (39.51%) Hadoop
4 247 (35.75%) MongoDB
5 202 (29.23%) Apache Hive
6 190 (27.50%) HBase
7 112 (16.21%) Impala
8 106 (15.34%) MySQL
9 90 (13.02%) Amazon Redshift
10 83 (12.01%) PostgreSQL
11 79 (11.43%) CouchDB
12 78 (11.29%) Relational Database
13 74 (10.71%) Flink
14 65 (9.41%) Amazon DynamoDB
15 59 (8.54%) Data Warehouse
16 56 (8.10%) Redis
17 54 (7.81%) SQL Server
18 50 (7.24%) Couchbase
19 39 (5.64%) Data Lake
20 32 (4.63%) Spotfire
Development Applications
1 103 (14.91%) Git (software)
2 90 (13.02%) Jenkins
3 43 (6.22%) Maven
4 33 (4.78%) JUnit
5 30 (4.34%) Selenium
6 22 (3.18%) Sonatype Nexus
7 16 (2.32%) Cucumber
7 16 (2.32%) SoapUI
8 14 (2.03%) Protractor
9 13 (1.88%) JIRA
10 12 (1.74%) EasyMock
10 12 (1.74%) Visual Studio Team System
11 11 (1.59%) Visual Studio
12 10 (1.45%) Bitbucket
12 10 (1.45%) Mockito
13 9 (1.30%) webpack
14 8 (1.16%) Artifactory
14 8 (1.16%) GoCD
14 8 (1.16%) Mocha
14 8 (1.16%) Vagrant
General
1 172 (24.89%) Finance
2 64 (9.26%) Banking
3 50 (7.24%) Games
4 41 (5.93%) Retail
5 25 (3.62%) Marketing
6 21 (3.04%) Law
7 19 (2.75%) Advertising
7 19 (2.75%) Investment Banking
8 16 (2.32%) Financial Institution
8 16 (2.32%) Military
8 16 (2.32%) Pharmaceutical
9 12 (1.74%) Telecoms
10 9 (1.30%) Electronics
10 9 (1.30%) Manufacturing
11 6 (0.87%) Billing
11 6 (0.87%) Front Office
11 6 (0.87%) Publishing
12 3 (0.43%) Automotive
12 3 (0.43%) Retail Finance
13 1 (0.14%) Legal
Job Titles
1 258 (37.34%) Developer
2 150 (21.71%) Data Engineer
3 121 (17.51%) Big Data Engineer
4 92 (13.31%) Java Developer
5 66 (9.55%) Senior Developer
6 61 (8.83%) Software Engineer
7 56 (8.10%) Architect
8 41 (5.93%) Java Engineer
9 40 (5.79%) Python Developer
10 39 (5.64%) DevOps Engineer
11 35 (5.07%) Data Architect
12 32 (4.63%) Big Data Architect
13 30 (4.34%) Scala Developer
13 30 (4.34%) Senior Java Developer
14 27 (3.91%) AWS Engineer
14 27 (3.91%) C++ Developer
15 22 (3.18%) Software Developer
16 19 (2.75%) Senior Data Engineer
16 19 (2.75%) Senior Software Engineer
17 18 (2.60%) Data Scientist
Libraries, Frameworks & Software Standards
1 309 (44.72%) Kafka
2 154 (22.29%) Web Services
3 130 (18.81%) Spring
4 94 (13.60%) AngularJS
5 85 (12.30%) RESTful
6 77 (11.14%) REST
7 70 (10.13%) Akka
8 67 (9.70%) Node.js
9 63 (9.12%) Spring Boot
10 62 (8.97%) React
11 60 (8.68%) RabbitMQ
12 55 (7.96%) HTML
13 47 (6.80%) .NET
14 45 (6.51%) Hibernate
15 43 (6.22%) HTML5
16 40 (5.79%) Spark Streaming
17 30 (4.34%) Play Framework
18 28 (4.05%) Elastic Stack
19 24 (3.47%) CSS
20 23 (3.33%) PySpark
Miscellaneous
1 93 (13.46%) Computer Science
2 91 (13.17%) Algorithms
3 68 (9.84%) Data Structures
4 61 (8.83%) Fintech
5 36 (5.21%) Analytical Skills
6 25 (3.62%) Greenfield Project
7 22 (3.18%) Derivative
7 22 (3.18%) Self-Motivation
8 20 (2.89%) Fixed Income
8 20 (2.89%) Public Cloud
8 20 (2.89%) Virtual Team
9 17 (2.46%) Life Science
10 14 (2.03%) Cyberthreat
10 14 (2.03%) Data Centre
11 13 (1.88%) Blog
11 13 (1.88%) User Experience
12 12 (1.74%) Hybrid Cloud
13 11 (1.59%) Online Banking
14 9 (1.30%) Enterprise Software
15 8 (1.16%) Cloud Native
Operating Systems
1 137 (19.83%) Linux
2 65 (9.41%) Unix
3 24 (3.47%) Windows
4 17 (2.46%) Android
5 14 (2.03%) Apple iOS
6 12 (1.74%) CentOS
7 10 (1.45%) Ubuntu
7 10 (1.45%) Windows Server
8 5 (0.72%) Red Hat Enterprise Linux
9 3 (0.43%) CoreOS
9 3 (0.43%) DC/OS
9 3 (0.43%) Windows Server 2003
9 3 (0.43%) Windows Server 2008
10 1 (0.14%) Debian
10 1 (0.14%) Mesosphere
Processes & Methodologies
1 335 (48.48%) Agile Software Development
2 176 (25.47%) Machine Learning
3 173 (25.04%) DevOps
4 170 (24.60%) Software Engineering
5 151 (21.85%) Analytics
6 149 (21.56%) Data Science
7 145 (20.98%) Microservices
8 142 (20.55%) TDD
9 123 (17.80%) Scrum
10 101 (14.62%) ETL
11 93 (13.46%) Data Analytics
12 92 (13.31%) Open Source
13 87 (12.59%) MapReduce
14 86 (12.45%) Continuous Integration
15 81 (11.72%) Test Automation
16 74 (10.71%) Kanban
17 67 (9.70%) Data Modelling
18 65 (9.41%) Artificial Intelligence
19 59 (8.54%) Business Intelligence
19 59 (8.54%) Problem-Solving
Programming Languages
1 443 (64.11%) Java
2 340 (49.20%) Python
3 262 (37.92%) Scala
4 156 (22.58%) SQL
5 117 (16.93%) JavaScript
6 87 (12.59%) C#
7 81 (11.72%) C++
8 69 (9.99%) Java 8
9 61 (8.83%) Go
10 50 (7.24%) Bash Shell
11 46 (6.66%) Ruby
12 45 (6.51%) C
13 29 (4.20%) PHP
14 20 (2.89%) R
15 18 (2.60%) Shell Script
16 12 (1.74%) Apple Swift
16 12 (1.74%) Objective-C
16 12 (1.74%) TypeScript
17 11 (1.59%) ES6
18 10 (1.45%) PowerShell
Qualifications
1 75 (10.85%) Degree
2 20 (2.89%) Computer Science Degree
3 13 (1.88%) Master's Degree
4 11 (1.59%) DV Cleared
4 11 (1.59%) Numerate Degree
4 11 (1.59%) Security Cleared
5 9 (1.30%) PhD
6 2 (0.29%) AWS Certification
6 2 (0.29%) VMware Certified Professional (VCP)
7 1 (0.14%) ISEB
7 1 (0.14%) ISTQB
7 1 (0.14%) ISTQB Foundation Certification
Quality Assurance & Compliance
1 40 (5.79%) QA
2 10 (1.45%) Data Quality
3 9 (1.30%) GDPR
4 8 (1.16%) MiFID
5 4 (0.58%) PCI DSS
6 3 (0.43%) Solvency II
7 2 (0.29%) ISO/IEC 27001
8 1 (0.14%) EMIR
8 1 (0.14%) HL7
8 1 (0.14%) PSD2
System Software
1 155 (22.43%) Docker
2 85 (12.30%) Apache Flume
3 72 (10.42%) HDFS
4 27 (3.91%) Apache ZooKeeper
5 14 (2.03%) Active Directory
6 10 (1.45%) VMware Infrastructure
7 6 (0.87%) Virtual Machines
8 4 (0.58%) VirtualBox
9 2 (0.29%) Hyper-V
9 2 (0.29%) KVM
9 2 (0.29%) VMware ESXi
9 2 (0.29%) Xen
10 1 (0.14%) Ceph
10 1 (0.14%) etcd
10 1 (0.14%) GridGain
10 1 (0.14%) LXC
10 1 (0.14%) Varnish
10 1 (0.14%) zsh
Systems Management
1 108 (15.63%) Kubernetes
2 71 (10.27%) Hadoop YARN
3 70 (10.13%) Ansible
4 67 (9.70%) Puppet
5 62 (8.97%) Oozie
6 56 (8.10%) Opscode Chef
7 53 (7.67%) Terraform
8 50 (7.24%) Mesos
9 49 (7.09%) Prometheus
10 36 (5.21%) Grafana
10 36 (5.21%) Kibana
11 35 (5.07%) logstash
12 16 (2.32%) Nagios
13 12 (1.74%) Salt
14 9 (1.30%) CFEngine
15 8 (1.16%) Ambari
15 8 (1.16%) Graphite
15 8 (1.16%) Graylog
15 8 (1.16%) ZABBIX
16 6 (0.87%) StatsD
Vendors
1 112 (16.21%) Cloudera
2 110 (15.92%) Hortonworks
3 100 (14.47%) Google
4 83 (12.01%) Oracle
5 81 (11.72%) MapR
6 78 (11.29%) Microsoft
7 55 (7.96%) Databricks
8 52 (7.53%) IBM
9 34 (4.92%) SAP
10 33 (4.78%) Tableau
11 32 (4.63%) Talend
12 29 (4.20%) Splunk
13 26 (3.76%) TIBCO
14 23 (3.33%) WorldPay
15 22 (3.18%) Vertica
16 21 (3.04%) Informatica
16 21 (3.04%) Rackspace
17 19 (2.75%) HP
18 18 (2.60%) Greenplum
19 14 (2.03%) PagerDuty