Job Vacancy Trend Daily Rate Trend Daily Rate Histogram Job Locations Skill Sets
Period
to 5 December 2019

The following table provides summary statistics for contract job vacancies advertised in London 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 5 December 2019 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
England > London
6 months to
5 Dec 2019		 Same period 2018 Same period 2017
Rank 293 241 265
Rank change year-on-year -52 +24 +1
Contract jobs citing Apache Cassandra 269 540 485
As % of all contract IT jobs advertised in London 0.77% 1.16% 1.02%
As % of the Database & Business Intelligence category 3.23% 4.77% 4.29%
Number of daily rates quoted 198 434 401
London median daily rate £575 £575 £550
Median daily rate % change year-on-year - +4.55% +4.76%
10th Percentile £463 £425 £438
90th Percentile £727 £700 £663
England median daily rate £550 £550 £550
Number of hourly rates quoted 0 0 0
London median hourly rate - - -
England 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 advertised in London with a requirement for database or business intelligence skills.

All Database and Business Intelligence Skills
London
Contract vacancies with a requirement for database or business intelligence skills 8,316 11,310 11,318
As % of all contract IT jobs advertised in London 23.83% 24.21% 23.85%
Number of daily rates quoted 5,993 8,479 8,417
London median daily rate £525 £525 £500
Median daily rate % change year-on-year - +5.00% +5.26%
10th Percentile £363 £363 £350
90th Percentile £700 £675 £663
England median daily rate £475 £475 £463
% change year-on-year - +2.70% +8.82%
Number of hourly rates quoted 59 49 61
London median hourly rate £35.00 £27.50 £26.60
Median hourly rate % change year-on-year +27.27% +3.40% -10.99%
10th Percentile £15.58 £18.65 £18.25
90th Percentile £59.90 £47.55 £58.75
England median hourly rate £32.50 £35.00 £31.31
% change year-on-year -7.14% +11.79% +14.11%

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
Contractor Daily Rate Trend in London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Apache Cassandra in London.

Contractor daily rate trend for Apache Cassandra in London

Apache Cassandra
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing Apache Cassandra in London over the 6 months to 5 December 2019.

Contractor daily rate histogram for Apache Cassandra in London

Apache Cassandra
Contract Job Locations in London

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 London region over the 6 months to 5 December 2019. 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
Central London -25 47 £565 -1.74% 26
South London +61 23 £482 -24.39% 6
West London -13 14 £550 - 13
East London 0 9 £581 -1.06% 3
Apache Cassandra
England

For the 6 months to 5 December 2019, 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 across the London region with a requirement for Apache Cassandra.

1 156 (57.99%) Java
2 141 (52.42%) NoSQL
3 132 (49.07%) AWS
4 119 (44.24%) Python
5 112 (41.64%) Kafka
6 100 (37.17%) Microservices
7 98 (36.43%) SQL
8 97 (36.06%) Agile Software Development
9 96 (35.69%) MongoDB
10 82 (30.48%) Finance
11 79 (29.37%) Docker
12 74 (27.51%) Relational Database
13 73 (27.14%) Kubernetes
14 72 (26.77%) Scala
15 71 (26.39%) GCP
16 68 (25.28%) Software Engineering
17 62 (23.05%) Azure
18 60 (22.30%) Banking
18 60 (22.30%) Redis
19 59 (21.93%) PostgreSQL
20 58 (21.56%) TDD
20 58 (21.56%) Google
21 56 (20.82%) Migration
21 56 (20.82%) Web Services
21 56 (20.82%) REST
22 55 (20.45%) Analytics
23 54 (20.07%) DevOps
24 51 (18.96%) Apache Spark
25 49 (18.22%) Amazon DynamoDB
25 49 (18.22%) Hadoop

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 51 (18.96%) Apache Spark
2 42 (15.61%) Apache
3 27 (10.04%) Elasticsearch
4 11 (4.09%) Apache Airflow
4 11 (4.09%) Luigi
4 11 (4.09%) SAS
5 10 (3.72%) Tomcat
6 9 (3.35%) Apache Solr
6 9 (3.35%) Jetty
7 8 (2.97%) JBoss
8 6 (2.23%) nginx
9 5 (1.86%) Confluence
9 5 (1.86%) OpenStack
10 3 (1.12%) Oracle SOA Suite
11 2 (0.74%) CMS
12 1 (0.37%) Oracle Workflow
Applications
1 1 (0.37%) Weka
Business Applications
1 20 (7.43%) FINCAD Analytics
Cloud Services
1 132 (49.07%) AWS
2 71 (26.39%) GCP
3 62 (23.05%) Azure
4 20 (7.43%) Amazon S3
4 20 (7.43%) AWS Step Functions
5 18 (6.69%) Amazon Kinesis
6 8 (2.97%) Serverless
7 7 (2.60%) Datadog
8 6 (2.23%) Amazon SQS
8 6 (2.23%) GitHub
9 5 (1.86%) Heroku
10 4 (1.49%) AWS Lambda
10 4 (1.49%) OpenShift
10 4 (1.49%) PaaS
10 4 (1.49%) SaaS
11 3 (1.12%) Apigee
11 3 (1.12%) AWS IoT
11 3 (1.12%) Google App Engine
11 3 (1.12%) Sumo Logic
12 2 (0.74%) AWS CodePipeline
Communications & Networking
1 15 (5.58%) HTTP
2 11 (4.09%) TCP/IP
3 9 (3.35%) Internet
4 2 (0.74%) SSL
5 1 (0.37%) DHCP
5 1 (0.37%) DNS
5 1 (0.37%) IPsec
5 1 (0.37%) Kerberos
5 1 (0.37%) NetScaler
5 1 (0.37%) VPN
Database & Business Intelligence
1 141 (52.42%) NoSQL
2 96 (35.69%) MongoDB
3 74 (27.51%) Relational Database
4 60 (22.30%) Redis
5 59 (21.93%) PostgreSQL
6 49 (18.22%) Amazon DynamoDB
6 49 (18.22%) Hadoop
7 45 (16.73%) RDBMS
8 41 (15.24%) Big Data
9 38 (14.13%) HBase
10 31 (11.52%) Neo4j
11 30 (11.15%) MySQL
12 26 (9.67%) DB2
13 25 (9.29%) Couchbase
14 23 (8.55%) MariaDB
15 21 (7.81%) Amazon Redshift
16 20 (7.43%) Amazon Athena
16 20 (7.43%) InfluxDB
17 16 (5.95%) Amazon Aurora
18 14 (5.20%) SQL Server
Development Applications
1 40 (14.87%) Git (software)
2 34 (12.64%) Jenkins
3 20 (7.43%) JUnit
4 19 (7.06%) Maven
5 17 (6.32%) Gradle
6 14 (5.20%) Mockito
7 12 (4.46%) JIRA
8 10 (3.72%) Bitbucket
8 10 (3.72%) GitLab
9 9 (3.35%) Subversion
10 8 (2.97%) TeamCity
11 7 (2.60%) CircleCI
11 7 (2.60%) Visual Studio Team System
12 5 (1.86%) Cucumber
12 5 (1.86%) Spock
13 4 (1.49%) Artifactory
13 4 (1.49%) Octopus Deploy
14 3 (1.12%) Karma Test Runner
14 3 (1.12%) Pylint
14 3 (1.12%) Team Foundation Server
General
1 82 (30.48%) Finance
2 60 (22.30%) Banking
3 28 (10.41%) Front Office
4 11 (4.09%) Advertising
5 8 (2.97%) Investment Banking
5 8 (2.97%) Legal
6 7 (2.60%) Games
7 4 (1.49%) Public Sector
8 3 (1.12%) Financial Institution
9 2 (0.74%) Marketing
9 2 (0.74%) Prime Brokerage
9 2 (0.74%) Retail
10 1 (0.37%) Billing
10 1 (0.37%) German Language
10 1 (0.37%) Telecoms
Job Titles
1 108 (40.15%) Developer
2 61 (22.68%) Java Developer
3 46 (17.10%) Data Engineer
4 39 (14.50%) Senior Developer
5 25 (9.29%) AWS Engineer
6 24 (8.92%) Senior Java Developer
7 23 (8.55%) Python Engineer
8 20 (7.43%) Administrator
8 20 (7.43%) DBA
9 18 (6.69%) Full Stack Developer
10 17 (6.32%) DevOps Engineer
11 16 (5.95%) Agile Developer
11 16 (5.95%) Architect
12 15 (5.58%) AWS Developer
12 15 (5.58%) Java Engineer
13 13 (4.83%) Agile Java Developer
13 13 (4.83%) Senior Agile Developer
13 13 (4.83%) Senior Agile Java Developer
14 12 (4.46%) NoSQL Developer
14 12 (4.46%) Scala Developer
Libraries, Frameworks & Software Standards
1 112 (41.64%) Kafka
2 56 (20.82%) REST
2 56 (20.82%) Web Services
3 43 (15.99%) Spring
4 37 (13.75%) Node.js
5 33 (12.27%) RESTful
6 26 (9.67%) React
7 24 (8.92%) RabbitMQ
8 23 (8.55%) HTML
9 22 (8.18%) AngularJS
9 22 (8.18%) CSS
9 22 (8.18%) JSON
10 19 (7.06%) J2EE
11 18 (6.69%) Akka
11 18 (6.69%) Spark Streaming
12 17 (6.32%) Elastic Stack
12 17 (6.32%) HTML5
13 16 (5.95%) Spring Boot
14 15 (5.58%) Memcached
15 13 (4.83%) Swagger
Miscellaneous
1 27 (10.04%) Derivative
2 26 (9.67%) Hedge funds
3 24 (8.92%) Foreign Exchange (FX)
4 23 (8.55%) Fixed Income
5 22 (8.18%) Equity Derivative
6 18 (6.69%) Data Structures
7 16 (5.95%) Market Risk
8 10 (3.72%) Analytical Skills
8 10 (3.72%) Public Cloud
8 10 (3.72%) Self-Motivation
9 9 (3.35%) Enterprise Software
9 9 (3.35%) User Experience
10 7 (2.60%) Greenfield Project
11 6 (2.23%) Algorithms
11 6 (2.23%) Equities
11 6 (2.23%) Mobile App
11 6 (2.23%) SWIFT
11 6 (2.23%) Wiki
12 5 (1.86%) Cloud Native
13 3 (1.12%) Tandem
Operating Systems
1 36 (13.38%) Linux
2 10 (3.72%) Windows
3 6 (2.23%) Android
3 6 (2.23%) Apple iOS
3 6 (2.23%) Red Hat Enterprise Linux
3 6 (2.23%) Unix
4 4 (1.49%) CentOS
5 3 (1.12%) Ubuntu
Processes & Methodologies
1 100 (37.17%) Microservices
2 97 (36.06%) Agile Software Development
3 68 (25.28%) Software Engineering
4 58 (21.56%) TDD
5 56 (20.82%) Migration
6 55 (20.45%) Analytics
7 54 (20.07%) DevOps
8 38 (14.13%) Scrum
9 37 (13.75%) Machine Learning
10 34 (12.64%) Continuous Integration
11 33 (12.27%) Data Science
11 33 (12.27%) ETL
12 28 (10.41%) Low Latency
12 28 (10.41%) Test Automation
13 26 (9.67%) Fintech
13 26 (9.67%) Problem-Solving
14 25 (9.29%) Asset Management
14 25 (9.29%) Pair Programming
15 21 (7.81%) Risk Analytics
16 19 (7.06%) Functional Programming
Programming Languages
1 156 (57.99%) Java
2 119 (44.24%) Python
3 98 (36.43%) SQL
4 72 (26.77%) Scala
5 44 (16.36%) JavaScript
6 30 (11.15%) Kotlin
7 24 (8.92%) Java 8
8 19 (7.06%) C++
9 16 (5.95%) Clojure
10 15 (5.58%) C#
11 12 (4.46%) Bash Shell
11 12 (4.46%) Go
12 8 (2.97%) ClojureScript
13 7 (2.60%) Ruby
13 7 (2.60%) TypeScript
14 6 (2.23%) AWK
14 6 (2.23%) C
14 6 (2.23%) R
14 6 (2.23%) sed
15 5 (1.86%) Groovy
Qualifications
1 25 (9.29%) Security Cleared
2 21 (7.81%) Degree
2 21 (7.81%) SC Cleared
3 6 (2.23%) Computer Science Degree
4 5 (1.86%) Master's Degree
5 1 (0.37%) AWS Certification
5 1 (0.37%) DV Cleared
5 1 (0.37%) MBA
5 1 (0.37%) Numerate Degree
5 1 (0.37%) PMI Certification
5 1 (0.37%) PMP
Quality Assurance & Compliance
1 8 (2.97%) Data Quality
2 5 (1.86%) PSD2
3 3 (1.12%) QA
4 1 (0.37%) PCI DSS
System Software
1 79 (29.37%) Docker
2 5 (1.86%) Apache ZooKeeper
2 5 (1.86%) HDFS
3 3 (1.12%) Apache Flume
3 3 (1.12%) KVM
3 3 (1.12%) oVirt
3 3 (1.12%) VMware Infrastructure
4 1 (0.37%) Corosync
4 1 (0.37%) Varnish
Systems Management
1 73 (27.14%) Kubernetes
2 32 (11.90%) Ansible
3 18 (6.69%) Terraform
4 17 (6.32%) linkerd
5 15 (5.58%) Puppet
6 14 (5.20%) Grafana
7 13 (4.83%) Graphite
7 13 (4.83%) Kibana
7 13 (4.83%) Opscode Chef
8 9 (3.35%) Istio
8 9 (3.35%) ZABBIX
9 8 (2.97%) Consul
9 8 (2.97%) logstash
10 3 (1.12%) Pingdom
10 3 (1.12%) Sysdig
11 2 (0.74%) Docker Swarm
11 2 (0.74%) Nagios
11 2 (0.74%) Packer
11 2 (0.74%) Salt
12 1 (0.37%) Fluentd
Vendors
1 58 (21.56%) Google
2 45 (16.73%) Oracle
3 28 (10.41%) Sybase
4 18 (6.69%) Greenplum
5 15 (5.58%) Microsoft
6 10 (3.72%) Teradata
7 8 (2.97%) DataFlux
7 8 (2.97%) Hyperion
8 7 (2.60%) SaltStack
9 6 (2.23%) ServiceNow
10 5 (1.86%) hybris
10 5 (1.86%) Splunk
11 4 (1.49%) Facebook
11 4 (1.49%) IBM
12 3 (1.12%) Atlassian
12 3 (1.12%) Criteo
12 3 (1.12%) MapR
12 3 (1.12%) VMware
13 2 (0.74%) ForgeRock
13 2 (0.74%) Mashery