Job Vacancy Trend Daily Rate Trend Daily Rate Histogram Job Locations Skill Sets
Period
to 27 May 2018

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 27 May 2018 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
27 May 2018		 Same period 2017 Same period 2016
Rank 259 237 212
Rank change year-on-year -22 -25 +181
Contract jobs citing Apache Cassandra 488 431 524
As % of all contract IT jobs advertised in London 1.07% 1.08% 1.21%
As % of the Database & Business Intelligence category 4.29% 4.46% 5.12%
Number of daily rates quoted 377 341 445
London median daily rate £550 £550 £525
Median daily rate % change year-on-year - +4.76% +5.00%
10th Percentile £445 £425 £425
90th Percentile £650 £688 £663
England median daily rate £525 £538 £525
% change year-on-year -2.33% +2.38% -
Number of hourly rates quoted 0 0 3
London median hourly rate - - £50.00
England median hourly rate £61.25 - £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 11,377 9,667 10,243
As % of all contract IT jobs advertised in London 24.96% 24.32% 23.61%
Number of daily rates quoted 8,545 7,009 7,422
London median daily rate £513 £493 £475
Median daily rate % change year-on-year +4.06% +3.68% +5.56%
10th Percentile £356 £325 £313
90th Percentile £670 £650 £638
England median daily rate £475 £450 £425
% change year-on-year +5.56% +5.88% +6.25%
Number of hourly rates quoted 77 41 64
London median hourly rate £30.00 £31.00 £27.50
Median hourly rate % change year-on-year -3.23% +12.73% -8.33%
10th Percentile £20.25 £18.50 £16.32
90th Percentile £46.30 £47.00 £99.70
England median hourly rate £32.25 £30.00 £28.50
% change year-on-year +7.50% +5.26% +4.34%

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 27 May 2018.

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 27 May 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
Contract
IT Job Ads		 Median
Daily Rate
Past 6 Months		 Median Daily Rate
% Change
on Same Period
Last Year		 Live
Job
Vacancies
Central London -33 111 £525 -4.55% 33
West London -5 44 £525 -6.25% 19
East London -4 22 £575 -8.00% 5
South London -46 3 £550 +17.02% 2
North London +5 1 £325 -38.10%
Apache Cassandra
England

For the 6 months to 27 May 2018, 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.

1 272 (55.74%) Java
2 254 (52.05%) NoSQL
3 240 (49.18%) Agile Software Development
4 196 (40.16%) Apache Spark
5 195 (39.96%) Python
6 184 (37.70%) Kafka
7 179 (36.68%) Scala
8 174 (35.66%) Docker
9 172 (35.25%) Amazon AWS
10 170 (34.84%) Big Data
11 168 (34.43%) MongoDB
12 146 (29.92%) Hadoop
12 146 (29.92%) TDD
13 143 (29.30%) Jenkins
14 133 (27.25%) Linux
15 121 (24.80%) DevOps
16 114 (23.36%) Machine Learning
17 113 (23.16%) Continuous Integration
18 109 (22.34%) Microservices
19 105 (21.52%) Git (software)
20 102 (20.90%) Scrum
20 102 (20.90%) Apache
21 96 (19.67%) Spring
21 96 (19.67%) Apache Hive
22 91 (18.65%) RESTful
22 91 (18.65%) HBase
22 91 (18.65%) SQL
23 89 (18.24%) REST
24 86 (17.62%) BDD
25 85 (17.42%) Kubernetes

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
1 196 (40.16%) Apache Spark
2 102 (20.90%) Apache
3 64 (13.11%) Elasticsearch
4 37 (7.58%) Apache Solr
5 31 (6.35%) Apache Pig
6 22 (4.51%) MQSeries
7 17 (3.48%) OpenStack
8 16 (3.28%) Confluence
9 11 (2.25%) Tomcat
10 8 (1.64%) SAS
11 7 (1.43%) nginx
12 6 (1.23%) Mule
13 5 (1.02%) Mule ESB
14 4 (0.82%) Oracle SOA Suite
14 4 (0.82%) WildFly
15 3 (0.61%) JBoss
15 3 (0.61%) Jetty
16 2 (0.41%) Oracle Coherence
16 2 (0.41%) SharePoint
16 2 (0.41%) WebSphere
Applications
1 4 (0.82%) Microsoft Excel
2 2 (0.41%) SPSS
3 1 (0.20%) Chatbot
Business Applications
1 1 (0.20%) Markit EDM
1 1 (0.20%) Payment Gateway
1 1 (0.20%) PolarLake
Cloud Services
1 172 (35.25%) Amazon AWS
2 36 (7.38%) Microsoft Azure
3 26 (5.33%) Amazon S3
4 17 (3.48%) Amazon EC2
5 13 (2.66%) Cloud Computing
5 13 (2.66%) Google Cloud Platform
6 11 (2.25%) PaaS
7 7 (1.43%) Amazon SQS
7 7 (1.43%) GitHub
8 6 (1.23%) Amazon CloudWatch
9 5 (1.02%) AWS CloudFormation
9 5 (1.02%) Serverless
10 4 (0.82%) Amazon EMR
10 4 (0.82%) Azure Active Directory
10 4 (0.82%) Datadog
10 4 (0.82%) Virtual Private Cloud
11 3 (0.61%) Amazon Kinesis
11 3 (0.61%) AWS Lambda
11 3 (0.61%) SaaS
12 2 (0.41%) Data Lake Analytics
Communications & Networking
1 45 (9.22%) HTTP
2 36 (7.38%) SSL
3 31 (6.35%) Kerberos
4 27 (5.53%) TCP/IP
5 10 (2.05%) Internet
6 5 (1.02%) SMS
6 5 (1.02%) VPN
7 3 (0.61%) DNS
7 3 (0.61%) Firewall
7 3 (0.61%) X.509
8 1 (0.20%) Multicast
Database & Business Intelligence
1 254 (52.05%) NoSQL
2 170 (34.84%) Big Data
3 168 (34.43%) MongoDB
4 146 (29.92%) Hadoop
5 96 (19.67%) Apache Hive
6 91 (18.65%) HBase
7 50 (10.25%) MySQL
8 48 (9.84%) Relational Database
9 41 (8.40%) Amazon Redshift
10 38 (7.79%) Data Warehouse
11 35 (7.17%) PostgreSQL
12 33 (6.76%) SQL Server
13 25 (5.12%) Couchbase
13 25 (5.12%) Impala
14 24 (4.92%) Redis
15 20 (4.10%) Amazon DynamoDB
16 19 (3.89%) Data Lake
17 16 (3.28%) Neo4j
17 16 (3.28%) RDBMS
18 15 (3.07%) Sqoop
Development Applications
1 143 (29.30%) Jenkins
2 105 (21.52%) Git (software)
3 63 (12.91%) Maven
4 31 (6.35%) JUnit
5 30 (6.15%) Gradle
5 30 (6.15%) Mockito
6 20 (4.10%) Cucumber
7 18 (3.69%) Subversion
8 17 (3.48%) JIRA
9 13 (2.66%) JMeter
10 11 (2.25%) GitLab
10 11 (2.25%) GoCD
10 11 (2.25%) TeamCity
11 10 (2.05%) Travis CI
12 9 (1.84%) Visual Studio
13 8 (1.64%) Visual Studio Team System
14 7 (1.43%) CircleCI
15 6 (1.23%) Vagrant
16 5 (1.02%) Artifactory
16 5 (1.02%) FishEye
General
1 65 (13.32%) Finance
2 35 (7.17%) Banking
3 34 (6.97%) Games
4 19 (3.89%) Telecoms
5 14 (2.87%) Retail
6 12 (2.46%) Marketing
7 9 (1.84%) Retail Banking
8 7 (1.43%) Publishing
9 5 (1.02%) Investment Banking
10 4 (0.82%) Front Office
11 3 (0.61%) French Language
12 2 (0.41%) Legal
12 2 (0.41%) Prime Brokerage
13 1 (0.20%) Advertising
13 1 (0.20%) Back Office
Job Titles
1 236 (48.36%) Developer
2 110 (22.54%) Java Developer
3 70 (14.34%) Scala Developer
4 54 (11.07%) Data Engineer
5 53 (10.86%) DevOps Engineer
6 47 (9.63%) Senior Developer
7 42 (8.61%) Architect
8 36 (7.38%) AWS Engineer
9 34 (6.97%) Big Data Engineer
10 28 (5.74%) Big Data Developer
10 28 (5.74%) Data Architect
11 27 (5.53%) AWS DevOps
11 27 (5.53%) AWS DevOps Engineer
12 26 (5.33%) Senior Scala Developer
13 24 (4.92%) Consultant
14 20 (4.10%) Senior Java Developer
15 19 (3.89%) Python Developer
16 17 (3.48%) Big Data Architect
17 15 (3.07%) Linux Engineer
18 12 (2.46%) Linux/Unix DevOps
Libraries, Frameworks & Software Standards
1 184 (37.70%) Kafka
2 96 (19.67%) Spring
3 91 (18.65%) RESTful
4 89 (18.24%) REST
5 77 (15.78%) Web Services
6 49 (10.04%) Akka
7 44 (9.02%) Hibernate
7 44 (9.02%) Play Framework
7 44 (9.02%) Spring Boot
8 43 (8.81%) Node.js
9 32 (6.56%) React
10 30 (6.15%) RabbitMQ
11 29 (5.94%) JMS
12 28 (5.74%) Elastic Stack
12 28 (5.74%) Spark Streaming
13 26 (5.33%) Spring MVC
14 25 (5.12%) Dropwizard
15 23 (4.71%) AngularJS
16 21 (4.30%) TensorFlow
17 18 (3.69%) Guice
Miscellaneous
1 38 (7.79%) Algorithms
2 37 (7.58%) Greenfield Project
3 29 (5.94%) Computer Science
4 28 (5.74%) Analytical Skills
5 23 (4.71%) Fintech
6 18 (3.69%) Mobile App
7 15 (3.07%) Data Centre
8 10 (2.05%) Data Structures
9 9 (1.84%) Replication
10 8 (1.64%) User Experience
11 7 (1.43%) Video on Demand
11 7 (1.43%) Virtual Team
12 6 (1.23%) Fixed Income
13 5 (1.02%) Derivative
13 5 (1.02%) Enterprise Software
13 5 (1.02%) Equities
13 5 (1.02%) Grid Computing
13 5 (1.02%) Self-Motivation
14 4 (0.82%) Clustering
14 4 (0.82%) Online Games
Operating Systems
1 133 (27.25%) Linux
2 64 (13.11%) Unix
3 39 (7.99%) Red Hat Enterprise Linux
4 18 (3.69%) Android
4 18 (3.69%) Apple iOS
4 18 (3.69%) CentOS
5 13 (2.66%) Windows
6 8 (1.64%) Ubuntu
7 6 (1.23%) Windows Server
8 5 (1.02%) Windows Server 2008
Processes & Methodologies
1 240 (49.18%) Agile Software Development
2 146 (29.92%) TDD
3 121 (24.80%) DevOps
4 114 (23.36%) Machine Learning
5 113 (23.16%) Continuous Integration
6 109 (22.34%) Microservices
7 102 (20.90%) Scrum
8 86 (17.62%) BDD
9 69 (14.14%) Analytics
10 68 (13.93%) Pair Programming
11 59 (12.09%) Software Engineering
12 50 (10.25%) Open Source
13 49 (10.04%) Test Automation
14 46 (9.43%) ETL
15 45 (9.22%) Continuous Delivery
16 39 (7.99%) Business Intelligence
17 38 (7.79%) Data Science
17 38 (7.79%) Problem-Solving
18 37 (7.58%) MapReduce
19 36 (7.38%) Unit Testing
Programming Languages
1 272 (55.74%) Java
2 195 (39.96%) Python
3 179 (36.68%) Scala
4 91 (18.65%) SQL
5 79 (16.19%) Java 8
6 55 (11.27%) JavaScript
7 46 (9.43%) Groovy
8 38 (7.79%) Bash Shell
9 36 (7.38%) Ruby
10 28 (5.74%) R
11 22 (4.51%) Java 9
11 22 (4.51%) Shell Script
12 20 (4.10%) C#
13 12 (2.46%) C
13 12 (2.46%) Perl
14 10 (2.05%) C++
15 9 (1.84%) Go
16 8 (1.64%) ES6
17 5 (1.02%) Clojure
17 5 (1.02%) TypeScript
Qualifications
1 33 (6.76%) Degree
2 17 (3.48%) Computer Science Degree
3 10 (2.05%) Master's Degree
3 10 (2.05%) Numerate Degree
4 5 (1.02%) PhD
5 4 (0.82%) AWS Certification
6 3 (0.61%) SC Cleared
6 3 (0.61%) Security Cleared
7 2 (0.41%) PRINCE2 Certification
8 1 (0.20%) CIPD
Quality Assurance & Compliance
1 32 (6.56%) QA
2 7 (1.43%) GDPR
3 4 (0.82%) Data Quality
3 4 (0.82%) GCP
4 1 (0.20%) MiFID
System Software
1 174 (35.66%) Docker
2 64 (13.11%) HDFS
3 54 (11.07%) Apache Flume
4 35 (7.17%) Apache ZooKeeper
5 22 (4.51%) Active Directory
6 4 (0.82%) Virtual Machines
7 2 (0.41%) Ceph
7 2 (0.41%) Hyper-V
7 2 (0.41%) Platform Symphony
7 2 (0.41%) VMware Infrastructure
8 1 (0.20%) etcd
8 1 (0.20%) VirtualBox
Systems Management
1 85 (17.42%) Kubernetes
2 52 (10.66%) Ansible
3 42 (8.61%) Puppet
4 37 (7.58%) Hadoop YARN
5 33 (6.76%) Terraform
6 31 (6.35%) Oozie
7 27 (5.53%) Opscode Chef
8 21 (4.30%) Mesos
9 18 (3.69%) Ambari
9 18 (3.69%) Apache Slider
9 18 (3.69%) Prometheus
10 11 (2.25%) Kibana
11 10 (2.05%) logstash
11 10 (2.05%) Nagios
12 8 (1.64%) Grafana
13 7 (1.43%) Salt
14 6 (1.23%) Icinga
14 6 (1.23%) Rancher
15 5 (1.02%) Docker Swarm
16 4 (0.82%) ZABBIX
Vendors
1 57 (11.68%) Hortonworks
2 35 (7.17%) Oracle
3 34 (6.97%) Cloudera
4 26 (5.33%) Microsoft
5 23 (4.71%) Google
5 23 (4.71%) Splunk
6 22 (4.51%) MapR
7 19 (3.89%) AppDynamics
8 17 (3.48%) IBM
9 14 (2.87%) Tableau
10 13 (2.66%) SaltStack
11 11 (2.25%) Apigee
12 9 (1.84%) Talend
13 7 (1.43%) Alteryx
13 7 (1.43%) Atlassian
13 7 (1.43%) Red Hat
14 6 (1.23%) New Relic
14 6 (1.23%) Teradata
14 6 (1.23%) Vertica
15 4 (0.82%) Ab Initio