Period
to 23 April 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 23 April 2018 with a comparison to the same period in the previous 2 years.

Apache Cassandra
England > London
6 months to
23 Apr 2018
Same period 2017 Same period 2016
Rank 250 280 303
Rank change year-on-year +30 +23 +110
Permanent jobs citing Apache Cassandra 921 798 974
As % of all permanent IT jobs advertised in London 1.32% 1.16% 1.17%
As % of the Database & Business Intelligence category 4.26% 3.86% 3.74%
Number of salaries quoted 718 697 877
London median annual salary £72,500 £65,000 £65,000
Median salary % change year-on-year +11.54% - +2.36%
10th Percentile £45,000 £47,500 £43,750
90th Percentile £105,000 £100,000 £100,000
England median annual salary £65,000 £62,000 £60,000
% change year-on-year +4.84% +3.33% -

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 21,610 20,677 26,069
As % of all permanent IT jobs advertised in London 30.87% 30.14% 31.24%
Number of salaries quoted 17,724 17,978 22,716
London median annual salary £60,000 £60,000 £55,000
Median salary % change year-on-year - +9.09% -
10th Percentile £37,500 £35,000 £36,015
90th Percentile £92,500 £88,750 £85,000
England median annual salary £50,000 £47,500 £47,500
% change year-on-year +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 23 April 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 23 April 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 +22 143 £71,250 +9.62% 22
West London -31 42 £67,500 +12.50% 21
East London +14 10 £90,000 +5.88% 2
South London -12 7 £55,000 -10.20% 2
Apache Cassandra
England

For the 6 months to 23 April 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.

1 603 (65.47%) Java
2 424 (46.04%) NoSQL
3 411 (44.63%) Amazon AWS
4 405 (43.97%) Agile Software Development
5 398 (43.21%) Python
6 392 (42.56%) Hadoop
7 391 (42.45%) Apache Spark
8 374 (40.61%) Big Data
9 354 (38.44%) Scala
10 347 (37.68%) MongoDB
11 317 (34.42%) Kafka
12 305 (33.12%) Spring
13 282 (30.62%) Software Engineering
14 255 (27.69%) DevOps
15 245 (26.60%) SQL
16 231 (25.08%) Finance
17 216 (23.45%) Microservices
18 210 (22.80%) Docker
19 201 (21.82%) Linux
20 200 (21.72%) Web Services
21 197 (21.39%) Machine Learning
22 194 (21.06%) Continuous Integration
23 189 (20.52%) HBase
24 180 (19.54%) Ansible
25 174 (18.89%) Analytics
26 172 (18.68%) MySQL
27 167 (18.13%) TDD
28 162 (17.59%) JavaScript
28 162 (17.59%) Apache Hive
29 160 (17.37%) AngularJS

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
1 391 (42.45%) Apache Spark
2 140 (15.20%) Elasticsearch
3 123 (13.36%) Apache
4 72 (7.82%) Apache Solr
5 50 (5.43%) OpenStack
6 47 (5.10%) Apache Pig
7 44 (4.78%) Tomcat
8 42 (4.56%) Oracle SOA Suite
9 36 (3.91%) SAS
10 35 (3.80%) CMS
11 30 (3.26%) Confluence
12 28 (3.04%) IIS
13 24 (2.61%) Jetty
14 22 (2.39%) Cloud Foundry
15 17 (1.85%) nginx
16 15 (1.63%) CloudStack
17 12 (1.30%) JBoss
18 6 (0.65%) Mule
19 4 (0.43%) WebLogic
19 4 (0.43%) WebSphere
Applications
1 18 (1.95%) SPSS
2 7 (0.76%) Weka
3 5 (0.54%) Microsoft Excel
4 4 (0.43%) Microsoft PowerPoint
Business Applications
1 23 (2.50%) Payment Gateway
2 1 (0.11%) WebTrends
Cloud Services
1 411 (44.63%) Amazon AWS
2 134 (14.55%) Microsoft Azure
3 95 (10.31%) Google Cloud Platform
4 63 (6.84%) OpenShift
5 60 (6.51%) GitHub
6 37 (4.02%) SaaS
7 36 (3.91%) Amazon EMR
7 36 (3.91%) Amazon S3
8 27 (2.93%) Amazon Kinesis
9 24 (2.61%) IaaS
10 22 (2.39%) Cloud Computing
11 20 (2.17%) Amazon EC2
12 18 (1.95%) Amazon CloudWatch
13 15 (1.63%) AWS Lambda
13 15 (1.63%) PaaS
13 15 (1.63%) Serverless
14 14 (1.52%) Datadog
15 12 (1.30%) Loggly
15 12 (1.30%) Sumo Logic
16 10 (1.09%) CloudFront
Communications & Networking
1 49 (5.32%) HTTP
2 40 (4.34%) TCP/IP
3 35 (3.80%) Internet
4 25 (2.71%) DNS
4 25 (2.71%) Firewall
5 17 (1.85%) SMPP
6 11 (1.19%) VPN
7 10 (1.09%) SMS
7 10 (1.09%) SMTP
8 9 (0.98%) VLAN
9 5 (0.54%) FIX Connectivity
9 5 (0.54%) Kerberos
9 5 (0.54%) LAN
9 5 (0.54%) SSL
9 5 (0.54%) WAN
10 3 (0.33%) DHCP
10 3 (0.33%) Wi-Fi
11 2 (0.22%) IPv4
12 1 (0.11%) Cisco ASA
12 1 (0.11%) Skype
Database & Business Intelligence
1 424 (46.04%) NoSQL
2 392 (42.56%) Hadoop
3 374 (40.61%) Big Data
4 347 (37.68%) MongoDB
5 189 (20.52%) HBase
6 172 (18.68%) MySQL
7 162 (17.59%) Apache Hive
8 148 (16.07%) Redis
9 126 (13.68%) PostgreSQL
10 94 (10.21%) Impala
11 76 (8.25%) Amazon DynamoDB
12 68 (7.38%) Relational Database
13 63 (6.84%) SQL Server
14 61 (6.62%) Neo4j
15 59 (6.41%) Flink
16 57 (6.19%) Amazon Redshift
17 54 (5.86%) Data Warehouse
18 39 (4.23%) Blockchain
18 39 (4.23%) CouchDB
19 38 (4.13%) Data Mining
Development Applications
1 152 (16.50%) Jenkins
2 118 (12.81%) Git (software)
3 96 (10.42%) Maven
4 68 (7.38%) Sonatype Nexus
5 49 (5.32%) JIRA
6 41 (4.45%) Cucumber
7 36 (3.91%) Atlassian Bamboo
7 36 (3.91%) Selenium
8 35 (3.80%) TeamCity
9 34 (3.69%) JUnit
10 25 (2.71%) Octopus Deploy
11 22 (2.39%) Travis CI
12 21 (2.28%) TestNG
13 18 (1.95%) Subversion
14 17 (1.85%) GoCD
14 17 (1.85%) Hamcrest
14 17 (1.85%) jMock
14 17 (1.85%) MSBuild
15 15 (1.63%) SoapUI
15 15 (1.63%) Vagrant
General
1 231 (25.08%) Finance
2 96 (10.42%) Retail
3 81 (8.79%) Banking
4 61 (6.62%) Games
5 38 (4.13%) Marketing
5 38 (4.13%) Telecoms
6 31 (3.37%) Manufacturing
7 21 (2.28%) Electronics
7 21 (2.28%) Front Office
8 17 (1.85%) Advertising
9 6 (0.65%) Publishing
10 5 (0.54%) Investment Banking
10 5 (0.54%) Law
11 3 (0.33%) Legal
11 3 (0.33%) Retail Finance
12 2 (0.22%) Billing
12 2 (0.22%) Pharmaceutical
12 2 (0.22%) Retail Banking
13 1 (0.11%) Automotive
13 1 (0.11%) Financial Institution
Job Titles
1 307 (33.33%) Developer
2 218 (23.67%) Java Developer
3 135 (14.66%) Data Engineer
4 124 (13.46%) Software Engineer
5 116 (12.60%) Java Engineer
6 92 (9.99%) Architect
7 85 (9.23%) Big Data Engineer
8 69 (7.49%) Java Software Engineer
9 68 (7.38%) Senior Developer
10 63 (6.84%) Senior Java Developer
11 49 (5.32%) Data Architect
12 47 (5.10%) Full Stack Developer
13 46 (4.99%) DevOps Engineer
13 46 (4.99%) Senior Software Engineer
14 41 (4.45%) Senior Java Engineer
15 37 (4.02%) Big Data Architect
16 35 (3.80%) Data Scientist
17 30 (3.26%) Scala Developer
18 29 (3.15%) Principal Engineer
19 28 (3.04%) Senior Java Software Engineer
Libraries, Frameworks & Software Standards
1 317 (34.42%) Kafka
2 305 (33.12%) Spring
3 200 (21.72%) Web Services
4 160 (17.37%) AngularJS
5 131 (14.22%) Node.js
6 120 (13.03%) RESTful
7 118 (12.81%) REST
8 117 (12.70%) Akka
9 85 (9.23%) HTML
10 76 (8.25%) .NET
11 73 (7.93%) React
12 72 (7.82%) Hibernate
13 64 (6.95%) Spring MVC
14 59 (6.41%) Spring Boot
15 57 (6.19%) J2EE
15 57 (6.19%) LAMP
15 57 (6.19%) RabbitMQ
16 55 (5.97%) CSS
17 54 (5.86%) HTML5
18 45 (4.89%) Elastic Stack
Miscellaneous
1 110 (11.94%) Algorithms
2 107 (11.62%) Fintech
3 89 (9.66%) Computer Science
4 80 (8.69%) Public Cloud
5 76 (8.25%) Private Cloud
6 61 (6.62%) Greenfield Project
7 52 (5.65%) Data Structures
8 39 (4.23%) Analytical Skills
9 31 (3.37%) Self-Motivation
10 27 (2.93%) Enterprise Software
11 25 (2.71%) Mobile App
12 23 (2.50%) Data Centre
13 22 (2.39%) Distributed Denial-of-Service
13 22 (2.39%) Online Games
14 21 (2.28%) Linux Command Line
15 18 (1.95%) Clustering
16 13 (1.41%) Derivative
16 13 (1.41%) Tandem
17 12 (1.30%) Equities
18 11 (1.19%) Virtual Team
Operating Systems
1 201 (21.82%) Linux
2 72 (7.82%) Unix
3 48 (5.21%) Android
4 46 (4.99%) Apple iOS
5 37 (4.02%) Windows
6 30 (3.26%) CentOS
7 19 (2.06%) Red Hat Enterprise Linux
8 18 (1.95%) Debian
9 17 (1.85%) Ubuntu
10 13 (1.41%) Windows Server
11 8 (0.87%) CoreOS
12 7 (0.76%) VMS
13 1 (0.11%) AIX
13 1 (0.11%) Mesosphere
13 1 (0.11%) Solaris
13 1 (0.11%) Windows Server 2008
Processes & Methodologies
1 405 (43.97%) Agile Software Development
2 282 (30.62%) Software Engineering
3 255 (27.69%) DevOps
4 216 (23.45%) Microservices
5 197 (21.39%) Machine Learning
6 194 (21.06%) Continuous Integration
7 174 (18.89%) Analytics
8 167 (18.13%) TDD
9 145 (15.74%) Data Science
10 125 (13.57%) E-Commerce
10 125 (13.57%) Test Automation
11 118 (12.81%) Open Source
12 113 (12.27%) SOA
13 106 (11.51%) Scrum
14 100 (10.86%) Problem-Solving
15 96 (10.42%) BDD
16 90 (9.77%) ETL
17 78 (8.47%) Business Intelligence
18 75 (8.14%) MVC
19 72 (7.82%) Continuous Delivery
Programming Languages
1 603 (65.47%) Java
2 398 (43.21%) Python
3 354 (38.44%) Scala
4 245 (26.60%) SQL
5 162 (17.59%) JavaScript
6 125 (13.57%) Java 8
7 118 (12.81%) Ruby
8 101 (10.97%) Go
9 92 (9.99%) Bash Shell
10 70 (7.60%) R
11 62 (6.73%) PHP
12 55 (5.97%) C#
13 34 (3.69%) C++
14 33 (3.58%) Perl
15 26 (2.82%) PowerShell
16 18 (1.95%) ES6
16 18 (1.95%) MATLAB
16 18 (1.95%) TypeScript
17 16 (1.74%) C
17 16 (1.74%) Java 9
Qualifications
1 97 (10.53%) Degree
2 47 (5.10%) Computer Science Degree
3 25 (2.71%) Master's Degree
3 25 (2.71%) PhD
4 8 (0.87%) Numerate Degree
5 4 (0.43%) Security Cleared
6 2 (0.22%) EMC Certification
6 2 (0.22%) SC Cleared
7 1 (0.11%) AWS Certification
7 1 (0.11%) RHCE
7 1 (0.11%) SAFe Agilist
Quality Assurance & Compliance
1 54 (5.86%) QA
2 34 (3.69%) GCP
3 29 (3.15%) Data Quality
4 27 (2.93%) PCI DSS
5 9 (0.98%) Cyber Essentials
5 9 (0.98%) Cyber Essentials PLUS
5 9 (0.98%) ISO 14001
5 9 (0.98%) ISO 9001
5 9 (0.98%) ISO/IEC 27001
6 5 (0.54%) Solvency II
7 4 (0.43%) GDPR
8 1 (0.11%) Dodd-Frank
8 1 (0.11%) EMIR
8 1 (0.11%) FATCA
8 1 (0.11%) MiFID
System Software
1 210 (22.80%) Docker
2 94 (10.21%) Apache Flume
3 42 (4.56%) HDFS
4 18 (1.95%) VMware Infrastructure
5 17 (1.85%) KVM
6 11 (1.19%) Apache ZooKeeper
6 11 (1.19%) Varnish
7 9 (0.98%) Ceph
8 8 (0.87%) VirtualBox
9 7 (0.76%) iptables
9 7 (0.76%) QEMU
10 3 (0.33%) Oracle RAC
11 2 (0.22%) LXC
11 2 (0.22%) VMware ESXi
11 2 (0.22%) vSphere
11 2 (0.22%) Xen
12 1 (0.11%) MapR-FS
Systems Management
1 180 (19.54%) Ansible
2 146 (15.85%) Puppet
3 125 (13.57%) Kubernetes
4 76 (8.25%) Opscode Chef
5 64 (6.95%) Terraform
6 61 (6.62%) Hadoop YARN
7 42 (4.56%) Nagios
8 39 (4.23%) Mesos
9 31 (3.37%) Oozie
10 21 (2.28%) ZABBIX
11 19 (2.06%) Salt
12 15 (1.63%) Icinga
13 14 (1.52%) Consul
13 14 (1.52%) logstash
14 12 (1.30%) CFEngine
14 12 (1.30%) Graphite
15 11 (1.19%) HAProxy
16 10 (1.09%) Docker Swarm
17 9 (0.98%) Kibana
17 9 (0.98%) Prometheus
Vendors
1 146 (15.85%) Oracle
2 135 (14.66%) Google
3 115 (12.49%) Cloudera
4 54 (5.86%) Tableau
5 52 (5.65%) WorldPay
6 51 (5.54%) Splunk
7 49 (5.32%) Hortonworks
8 41 (4.45%) SAP
9 38 (4.13%) New Relic
10 34 (3.69%) MapR
11 32 (3.47%) Informatica
11 32 (3.47%) Microsoft
12 31 (3.37%) Teradata
13 29 (3.15%) Talend
14 28 (3.04%) IBM
15 27 (2.93%) AppDynamics
16 25 (2.71%) TIBCO
17 22 (2.39%) SaltStack
18 20 (2.17%) VMware
19 17 (1.85%) Twitter