Job Vacancy Trend Daily Rate Trend Daily Rate Histogram Job Locations Skill Sets
Period
to 24 June 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 24 June 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
24 Jun 2019		 Same period 2018 Same period 2017
Rank 251 250 241
Rank change year-on-year -1 -9 -16
Contract jobs citing Apache Cassandra 418 479 436
As % of all contract IT jobs advertised in London 1.04% 1.06% 1.09%
As % of the Database & Business Intelligence category 4.23% 4.22% 4.47%
Number of daily rates quoted 314 374 353
London median daily rate £575 £550 £550
Median daily rate % change year-on-year +4.55% - +4.76%
10th Percentile £472 £425 £421
90th Percentile £707 £661 £685
England median daily rate £550 £525 £545
% change year-on-year +4.76% -3.67% +3.81%
Number of hourly rates quoted 0 0 0
London median hourly rate - - -
England median hourly rate - £50.00 -

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 9,885 11,343 9,753
As % of all contract IT jobs advertised in London 24.61% 25.15% 24.35%
Number of daily rates quoted 7,169 8,494 7,072
London median daily rate £525 £513 £500
Median daily rate % change year-on-year +2.44% +2.50% +5.26%
10th Percentile £363 £356 £325
90th Percentile £688 £675 £650
England median daily rate £480 £475 £450
% change year-on-year +1.05% +5.56% +5.88%
Number of hourly rates quoted 55 71 46
London median hourly rate £35.00 £30.00 £30.50
Median hourly rate % change year-on-year +16.67% -1.64% +10.91%
10th Percentile £19.70 £20.25 £18.97
90th Percentile £54.70 £47.50 £47.25
England median hourly rate £35.00 £34.00 £30.00
% change year-on-year +2.94% +13.33% +2.56%

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
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 24 June 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 24 June 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 -8 76 £575 +9.52% 3
East London +4 27 £525 -8.70%
West London -15 17 £600 +14.29% 1
South London +21 1 £625 +13.64%
Apache Cassandra
England

For the 6 months to 24 June 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.

1 268 (64.11%) Java
2 231 (55.26%) Agile Software Development
3 226 (54.07%) NoSQL
4 218 (52.15%) Kafka
5 202 (48.33%) MongoDB
6 198 (47.37%) Python
7 193 (46.17%) Amazon AWS
8 158 (37.80%) Microservices
9 153 (36.60%) Docker
10 132 (31.58%) TDD
11 126 (30.14%) SQL
12 120 (28.71%) DevOps
13 117 (27.99%) Kubernetes
14 116 (27.75%) JavaScript
15 111 (26.56%) Apache Spark
16 109 (26.08%) Hadoop
16 109 (26.08%) Big Data
17 106 (25.36%) Scala
18 101 (24.16%) Spring
19 99 (23.68%) Web Services
20 94 (22.49%) Finance
20 94 (22.49%) REST
21 86 (20.57%) Banking
22 83 (19.86%) Machine Learning
22 83 (19.86%) Jenkins
23 80 (19.14%) MySQL
24 73 (17.46%) Google Cloud Platform
25 72 (17.22%) RESTful
25 72 (17.22%) PostgreSQL
26 71 (16.99%) Open Source

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
1 111 (26.56%) Apache Spark
2 52 (12.44%) Elasticsearch
3 38 (9.09%) Apache
4 29 (6.94%) Confluence
5 20 (4.78%) Apache Solr
6 18 (4.31%) Apache Pig
7 14 (3.35%) SAS
8 13 (3.11%) Apache Airflow
9 12 (2.87%) Cloud Foundry
9 12 (2.87%) Luigi
10 11 (2.63%) OpenStack
11 9 (2.15%) nginx
12 7 (1.67%) Tomcat
13 6 (1.44%) Jetty
14 5 (1.20%) MQSeries
15 4 (0.96%) Oracle SOA Suite
16 3 (0.72%) Drupal
17 1 (0.24%) IIS
17 1 (0.24%) JBoss
17 1 (0.24%) WebSphere
Applications
1 5 (1.20%) Microsoft Excel
2 2 (0.48%) MS Visio
3 1 (0.24%) Weka
Business Applications
1 1 (0.24%) Eloqua
Cloud Services
1 193 (46.17%) Amazon AWS
2 73 (17.46%) Google Cloud Platform
3 56 (13.40%) Microsoft Azure
4 35 (8.37%) SaaS
5 24 (5.74%) Amazon Kinesis
6 22 (5.26%) Serverless
7 16 (3.83%) Cloud Computing
8 14 (3.35%) Datadog
9 13 (3.11%) Amazon S3
9 13 (3.11%) Apigee
10 12 (2.87%) PaaS
11 11 (2.63%) GitHub
12 10 (2.39%) AWS Lambda
13 9 (2.15%) Amazon EMR
13 9 (2.15%) Heroku
13 9 (2.15%) OpenShift
14 8 (1.91%) Amazon EC2
14 8 (1.91%) Power Platform
15 5 (1.20%) Amazon ECS
15 5 (1.20%) AWS CloudFormation
Communications & Networking
1 18 (4.31%) Internet
2 15 (3.59%) HTTP
3 12 (2.87%) SSL
3 12 (2.87%) TCP/IP
4 9 (2.15%) Firewall
5 7 (1.67%) DNS
6 3 (0.72%) Kerberos
6 3 (0.72%) X.509
7 2 (0.48%) FTP
7 2 (0.48%) OpenLDAP
Database & Business Intelligence
1 226 (54.07%) NoSQL
2 202 (48.33%) MongoDB
3 109 (26.08%) Big Data
3 109 (26.08%) Hadoop
4 80 (19.14%) MySQL
5 72 (17.22%) PostgreSQL
6 59 (14.11%) Redis
7 53 (12.68%) Relational Database
8 51 (12.20%) SQL Server
9 39 (9.33%) Apache Hive
10 38 (9.09%) HBase
11 26 (6.22%) BigQuery
12 25 (5.98%) Data Lake
12 25 (5.98%) Parquet
13 24 (5.74%) Amazon DynamoDB
13 24 (5.74%) CouchDB
14 22 (5.26%) RDBMS
15 20 (4.78%) Impala
15 20 (4.78%) Neo4j
16 15 (3.59%) Amazon Redshift
Development Applications
1 83 (19.86%) Jenkins
2 59 (14.11%) Git (software)
3 43 (10.29%) Maven
4 40 (9.57%) JIRA
5 32 (7.66%) Bitbucket
6 27 (6.46%) Pylint
6 27 (6.46%) Sourcetree
7 23 (5.50%) GitLab
8 18 (4.31%) Gradle
9 17 (4.07%) Mockito
9 17 (4.07%) Visual Studio Team System
10 12 (2.87%) gulp
10 12 (2.87%) JUnit
11 9 (2.15%) CircleCI
11 9 (2.15%) Subversion
12 8 (1.91%) Octopus Deploy
12 8 (1.91%) Selenium
13 7 (1.67%) Cucumber
13 7 (1.67%) EasyMock
13 7 (1.67%) Hudson
General
1 94 (22.49%) Finance
2 86 (20.57%) Banking
3 20 (4.78%) Front Office
4 17 (4.07%) Investment Banking
5 15 (3.59%) Legal
6 9 (2.15%) Retail
7 8 (1.91%) Advertising
7 8 (1.91%) Games
8 6 (1.44%) Financial Institution
9 5 (1.20%) General Ledger
9 5 (1.20%) Law
9 5 (1.20%) Marketing
10 3 (0.72%) Prime Brokerage
10 3 (0.72%) Telecoms
11 2 (0.48%) Publishing
12 1 (0.24%) Back Office
12 1 (0.24%) Multimedia
Job Titles
1 214 (51.20%) Developer
2 104 (24.88%) Java Developer
3 72 (17.22%) Data Engineer
4 46 (11.00%) Senior Developer
5 37 (8.85%) DevOps Engineer
6 35 (8.37%) Big Data Engineer
7 33 (7.89%) Python Developer
8 31 (7.42%) Python Engineer
9 27 (6.46%) Architect
9 27 (6.46%) Full Stack Developer
10 25 (5.98%) Senior Java Developer
11 17 (4.07%) Kubernetes Engineer
12 16 (3.83%) Agile Developer
12 16 (3.83%) Hybris Developer
12 16 (3.83%) Scala Developer
12 16 (3.83%) Solutions Architect
13 13 (3.11%) Data Scientist
13 13 (3.11%) Software Engineer
14 12 (2.87%) Big Data Developer
14 12 (2.87%) SQL Developer
Libraries, Frameworks & Software Standards
1 218 (52.15%) Kafka
2 101 (24.16%) Spring
3 99 (23.68%) Web Services
4 94 (22.49%) REST
5 72 (17.22%) RESTful
6 66 (15.79%) React
7 57 (13.64%) Spring Boot
8 49 (11.72%) HTML
8 49 (11.72%) JSON
9 48 (11.48%) Node.js
10 45 (10.77%) HTML5
11 42 (10.05%) CSS
12 41 (9.81%) Elastic Stack
13 36 (8.61%) RabbitMQ
14 35 (8.37%) Redux
15 28 (6.70%) SOAP
16 27 (6.46%) pytest
17 25 (5.98%) J2EE
17 25 (5.98%) Pandas
18 24 (5.74%) Hibernate
Miscellaneous
1 30 (7.18%) Analytical Skills
1 30 (7.18%) Data Structures
2 28 (6.70%) Greenfield Project
3 27 (6.46%) Algorithms
3 27 (6.46%) Self-Motivation
4 20 (4.78%) Mobile App
5 13 (3.11%) User Experience
6 12 (2.87%) Hedge funds
7 9 (2.15%) Robotics
7 9 (2.15%) Wiki
8 8 (1.91%) Foreign Exchange (FX)
9 6 (1.44%) Enterprise Software
9 6 (1.44%) Equities
9 6 (1.44%) Public Cloud
10 5 (1.20%) Cloud Native
10 5 (1.20%) Credit Risk
10 5 (1.20%) Equity Risk
10 5 (1.20%) Fixed Income
10 5 (1.20%) Internet of Things
11 4 (0.96%) Derivative
Operating Systems
1 58 (13.88%) Linux
2 21 (5.02%) Android
2 21 (5.02%) Apple iOS
3 20 (4.78%) Windows
4 17 (4.07%) Unix
5 4 (0.96%) Red Hat Enterprise Linux
6 2 (0.48%) Solaris
7 1 (0.24%) CentOS
Processes & Methodologies
1 231 (55.26%) Agile Software Development
2 158 (37.80%) Microservices
3 132 (31.58%) TDD
4 120 (28.71%) DevOps
5 83 (19.86%) Machine Learning
6 71 (16.99%) Open Source
7 66 (15.79%) BDD
8 64 (15.31%) Software Engineering
9 63 (15.07%) Data Science
10 62 (14.83%) Test Automation
11 54 (12.92%) Analytics
12 51 (12.20%) Problem-Solving
12 51 (12.20%) Scrum
13 50 (11.96%) ETL
14 45 (10.77%) Continuous Integration
15 44 (10.53%) SDLC
16 43 (10.29%) Fintech
17 42 (10.05%) Web Development
18 40 (9.57%) MapReduce
18 40 (9.57%) Pair Programming
Programming Languages
1 268 (64.11%) Java
2 198 (47.37%) Python
3 126 (30.14%) SQL
4 116 (27.75%) JavaScript
5 106 (25.36%) Scala
6 63 (15.07%) Java 8
7 25 (5.98%) C++
8 24 (5.74%) Bash Shell
9 22 (5.26%) C#
9 22 (5.26%) Clojure
10 21 (5.02%) R
11 18 (4.31%) Groovy
12 16 (3.83%) ES6
13 15 (3.59%) C
13 15 (3.59%) Perl
14 14 (3.35%) ES7
15 13 (3.11%) Go
15 13 (3.11%) MATLAB
16 12 (2.87%) PL/SQL
17 8 (1.91%) Ruby
Qualifications
1 41 (9.81%) Degree
2 11 (2.63%) Computer Science Degree
2 11 (2.63%) Master's Degree
3 5 (1.20%) PhD
3 5 (1.20%) SC Cleared
3 5 (1.20%) Security Cleared
4 1 (0.24%) Numerate Degree
4 1 (0.24%) PMI Certification
4 1 (0.24%) PMP
Quality Assurance & Compliance
1 10 (2.39%) QA
2 7 (1.67%) Data Quality
System Software
1 153 (36.60%) Docker
2 27 (6.46%) Apache Flume
3 18 (4.31%) HDFS
4 12 (2.87%) Apache ZooKeeper
5 4 (0.96%) VMware Infrastructure
6 3 (0.72%) Xen
7 2 (0.48%) Oracle RAC
8 1 (0.24%) Active Directory
8 1 (0.24%) KVM
8 1 (0.24%) Varnish
Systems Management
1 117 (27.99%) Kubernetes
2 44 (10.53%) Ansible
3 42 (10.05%) Terraform
4 30 (7.18%) Puppet
5 21 (5.02%) Hadoop YARN
6 20 (4.78%) Kibana
7 18 (4.31%) logstash
8 12 (2.87%) Consul
8 12 (2.87%) Grafana
9 11 (2.63%) Oozie
10 10 (2.39%) Graphite
10 10 (2.39%) linkerd
11 9 (2.15%) ZABBIX
12 8 (1.91%) Prometheus
12 8 (1.91%) Rundeck
13 7 (1.67%) Opscode Chef
14 3 (0.72%) Docker Swarm
15 2 (0.48%) Istio
15 2 (0.48%) Salt
16 1 (0.24%) HAProxy
Vendors
1 62 (14.83%) Google
2 59 (14.11%) Oracle
3 44 (10.53%) Splunk
4 39 (9.33%) Microsoft
5 16 (3.83%) Cloudera
5 16 (3.83%) hybris
6 9 (2.15%) Dynatrace
6 9 (2.15%) SaltStack
6 9 (2.15%) ServiceNow
7 7 (1.67%) F5
7 7 (1.67%) New Relic
7 7 (1.67%) Palo Alto
7 7 (1.67%) Tableau
8 6 (1.44%) Talend
8 6 (1.44%) Teradata
8 6 (1.44%) Xerox
9 5 (1.20%) MapR
9 5 (1.20%) StreamSets
9 5 (1.20%) VMware
10 4 (0.96%) Sybase