Period
to 26 June 2019

The following table provides summary statistics for contract job vacancies 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 26 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
UK
6 months to
26 Jun 2019
Same period 2018 Same period 2017
Rank 364 321 336
Rank change year-on-year -43 +15 +36
Contract jobs citing Apache Cassandra 594 764 687
As % of all contract IT jobs advertised in the UK 0.65% 0.76% 0.75%
As % of the Database & Business Intelligence category 2.94% 3.37% 3.32%
Number of daily rates quoted 431 584 524
UK median daily rate £550 £525 £537
Median daily rate % change year-on-year +4.76% -2.23% +2.29%
10th Percentile £413 £363 £390
90th Percentile £700 £650 £675
UK excluding London median daily rate £475 £450 £475
% change year-on-year +5.56% -5.26% -
Number of hourly rates quoted 0 4 0
UK median hourly rate - £57.50 -
UK excluding London 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 with a requirement for database or business intelligence skills.

All Database and Business Intelligence Skills
UK
Contract vacancies with a requirement for database or business intelligence skills 20,221 22,683 20,712
As % of all contract IT jobs advertised in the UK 22.19% 22.52% 22.56%
Number of daily rates quoted 13,854 15,784 13,778
UK median daily rate £475 £463 £445
Median daily rate % change year-on-year +2.70% +3.93% +4.71%
10th Percentile £325 £313 £300
90th Percentile £650 £635 £613
UK excluding London median daily rate £430 £413 £400
% change year-on-year +4.24% +3.13% +6.67%
Number of hourly rates quoted 243 231 272
UK median hourly rate £35.00 £33.50 £30.00
Median hourly rate % change year-on-year +4.48% +11.67% +5.26%
10th Percentile £14.26 £14.00 £10.50
90th Percentile £58.80 £55.00 £52.15
UK excluding London median hourly rate £35.00 £33.50 £30.00
% change year-on-year +4.48% +11.67% +5.26%

Apache Cassandra
Job Vacancy Trend

Job postings citing Apache Cassandra as a percentage of all IT jobs advertised.

Job vacancy trend for Apache Cassandra in the UK

Apache Cassandra
Contractor Daily Rate Trend

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

Contractor daily rate trend for Apache Cassandra in the UK

Apache Cassandra
Contractor Daily Rate Histogram

The daily rate distribution of IT jobs citing Apache Cassandra over the 6 months to 26 June 2019.

Contractor daily rate histogram for Apache Cassandra in the UK

Apache Cassandra
Contractor Hourly Rate Trend

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing Apache Cassandra.

Contractor hourly rate trend for Apache Cassandra in the UK

Apache Cassandra
Top 16 Contract Locations

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 UK over the 6 months to 26 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
England -57 568 £550 +4.76% 22
London -2 412 £575 +4.55% 11
UK excluding London -54 177 £475 +5.56% 13
North of England +12 63 £500 +1.27% 3
South East -51 53 £490 +15.29% 3
Yorkshire -4 27 £500 -
North West +29 25 £500 +5.26% 2
Scotland +14 22 £425 -1.45% 1
South West -12 19 £500 -9.09% 4
Midlands -2 16 £450 +13.92% 1
North East +37 11 £475 - 1
West Midlands 0 11 £475 - 1
East Midlands +9 5 £430 +19.44%
East of England -23 3 £613 +44.12%
Northern Ireland +7 1 - - 1
Wales - 1 £325 -

For the 6 months to 26 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 with a requirement for Apache Cassandra.

1 343 (57.74%) Java
2 323 (54.38%) NoSQL
3 318 (53.54%) MongoDB
4 300 (50.51%) Agile Software Development
5 281 (47.31%) Python
6 255 (42.93%) Amazon AWS
7 252 (42.42%) Kafka
8 221 (37.21%) Microservices
9 213 (35.86%) Docker
10 190 (31.99%) SQL
11 181 (30.47%) DevOps
12 172 (28.96%) Apache Spark
13 168 (28.28%) Kubernetes
14 166 (27.95%) Hadoop
15 162 (27.27%) TDD
16 157 (26.43%) JavaScript
17 152 (25.59%) Jenkins
18 148 (24.92%) Big Data
19 139 (23.40%) MySQL
20 134 (22.56%) Scala
21 131 (22.05%) Spring
22 124 (20.88%) Linux
23 119 (20.03%) PostgreSQL
24 108 (18.18%) Web Services
24 108 (18.18%) Machine Learning
25 106 (17.85%) REST
25 106 (17.85%) Finance
26 100 (16.84%) Banking
27 98 (16.50%) Git (software)
28 94 (15.82%) React

Apache Cassandra
Co-occurring IT Skills 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
1 172 (28.96%) Apache Spark
2 75 (12.63%) Elasticsearch
3 53 (8.92%) Apache
4 43 (7.24%) Confluence
5 30 (5.05%) Apache Pig
6 25 (4.21%) Apache Solr
7 23 (3.87%) nginx
8 15 (2.53%) SAS
9 14 (2.36%) Apache Airflow
10 13 (2.19%) Luigi
10 13 (2.19%) OpenStack
11 12 (2.02%) Cloud Foundry
12 9 (1.52%) Tomcat
13 7 (1.18%) MQSeries
14 5 (0.84%) Jetty
15 4 (0.67%) Drupal
15 4 (0.67%) Oracle SOA Suite
16 3 (0.51%) JBoss
16 3 (0.51%) WebSphere
17 2 (0.34%) IBM HTTP Server
Applications
1 5 (0.84%) Weka
2 4 (0.67%) Microsoft Excel
3 3 (0.51%) MS Visio
Business Applications
1 1 (0.17%) Eloqua
1 1 (0.17%) SAP PP
1 1 (0.17%) SAP S/4HANA
Cloud Services
1 255 (42.93%) Amazon AWS
2 85 (14.31%) Microsoft Azure
3 78 (13.13%) Google Cloud Platform
4 38 (6.40%) SaaS
5 37 (6.23%) Amazon S3
6 35 (5.89%) Amazon EC2
7 33 (5.56%) Serverless
8 25 (4.21%) Amazon Kinesis
8 25 (4.21%) Cloud Computing
9 24 (4.04%) Amazon ELB
9 24 (4.04%) Route 53
9 24 (4.04%) Virtual Private Cloud
10 22 (3.70%) OpenShift
11 20 (3.37%) Amazon ECS
12 16 (2.69%) Apigee
12 16 (2.69%) GitHub
13 14 (2.36%) Datadog
14 13 (2.19%) PaaS
15 12 (2.02%) AWS Lambda
16 11 (1.85%) Amazon EMR
Communications & Networking
1 42 (7.07%) HTTP
2 21 (3.54%) Internet
3 12 (2.02%) SSL
3 12 (2.02%) TCP/IP
4 11 (1.85%) Firewall
5 7 (1.18%) DNS
6 3 (0.51%) Kerberos
7 2 (0.34%) BGP
7 2 (0.34%) FTP
7 2 (0.34%) iSCSI
7 2 (0.34%) MPLS
7 2 (0.34%) MQTT
7 2 (0.34%) NAS
7 2 (0.34%) OpenLDAP
7 2 (0.34%) SNMP
7 2 (0.34%) VLAN
7 2 (0.34%) VXLAN
8 1 (0.17%) SMPP
Database & Business Intelligence
1 323 (54.38%) NoSQL
2 318 (53.54%) MongoDB
3 166 (27.95%) Hadoop
4 148 (24.92%) Big Data
5 139 (23.40%) MySQL
6 119 (20.03%) PostgreSQL
7 80 (13.47%) Relational Database
8 72 (12.12%) Apache Hive
8 72 (12.12%) Redis
9 61 (10.27%) HBase
10 59 (9.93%) SQL Server
11 45 (7.58%) RDBMS
12 44 (7.41%) CouchDB
13 36 (6.06%) Impala
14 34 (5.72%) Data Lake
15 33 (5.56%) Data Warehouse
16 29 (4.88%) BigQuery
17 28 (4.71%) Neo4j
18 25 (4.21%) Parquet
19 24 (4.04%) Amazon DynamoDB
Development Applications
1 152 (25.59%) Jenkins
2 98 (16.50%) Git (software)
3 61 (10.27%) JIRA
4 60 (10.10%) Maven
5 51 (8.59%) GitLab
6 33 (5.56%) Bitbucket
7 30 (5.05%) JUnit
7 30 (5.05%) SonarQube
8 28 (4.71%) Pylint
8 28 (4.71%) Sourcetree
9 27 (4.55%) Gradle
10 26 (4.38%) Mockito
10 26 (4.38%) Subversion
11 17 (2.86%) Visual Studio Team System
12 13 (2.19%) Cucumber
13 11 (1.85%) gulp
13 11 (1.85%) Mercurial
13 11 (1.85%) Vagrant
14 10 (1.68%) Selenium
15 9 (1.52%) Hudson
General
1 106 (17.85%) Finance
2 100 (16.84%) Banking
3 21 (3.54%) Investment Banking
4 19 (3.20%) Front Office
5 16 (2.69%) Legal
6 12 (2.02%) Retail
7 9 (1.52%) Advertising
8 8 (1.35%) Games
9 6 (1.01%) Financial Institution
10 5 (0.84%) General Ledger
10 5 (0.84%) Marketing
11 4 (0.67%) Law
11 4 (0.67%) Telecoms
12 3 (0.51%) Prime Brokerage
13 2 (0.34%) Publishing
14 1 (0.17%) Aerospace
14 1 (0.17%) Back Office
14 1 (0.17%) Manufacturing
14 1 (0.17%) Multimedia
Job Titles
1 287 (48.32%) Developer
2 132 (22.22%) Java Developer
3 80 (13.47%) Data Engineer
4 73 (12.29%) DevOps Engineer
5 59 (9.93%) Senior Developer
6 53 (8.92%) Python Developer
7 42 (7.07%) Full Stack Developer
8 41 (6.90%) Big Data Engineer
9 37 (6.23%) Senior Java Developer
10 34 (5.72%) Architect
11 31 (5.22%) Python Engineer
12 22 (3.70%) Scala Developer
13 21 (3.54%) Software Engineer
14 20 (3.37%) Cloud Engineer
15 19 (3.20%) React Developer
16 18 (3.03%) Big Data Developer
17 17 (2.86%) AWS Engineer
17 17 (2.86%) Data Scientist
17 17 (2.86%) Hybris Developer
17 17 (2.86%) Kubernetes Engineer
Libraries, Frameworks & Software Standards
1 252 (42.42%) Kafka
2 131 (22.05%) Spring
3 108 (18.18%) Web Services
4 106 (17.85%) REST
5 94 (15.82%) React
6 89 (14.98%) Node.js
7 88 (14.81%) RESTful
8 73 (12.29%) Spring Boot
9 70 (11.78%) HTML
10 66 (11.11%) Elastic Stack
11 63 (10.61%) CSS
11 63 (10.61%) HTML5
12 61 (10.27%) RabbitMQ
13 52 (8.75%) JSON
14 49 (8.25%) AngularJS
15 41 (6.90%) Hibernate
16 37 (6.23%) Redux
17 34 (5.72%) Natural Language Processing
18 33 (5.56%) SOAP
19 32 (5.39%) CSS3
Miscellaneous
1 41 (6.90%) Greenfield Project
2 38 (6.40%) Algorithms
3 34 (5.72%) Analytical Skills
4 32 (5.39%) Data Structures
5 28 (4.71%) Self-Motivation
6 21 (3.54%) Mobile App
7 15 (2.53%) User Experience
8 12 (2.02%) Cloud Native
8 12 (2.02%) Hedge funds
9 9 (1.52%) Robotics
9 9 (1.52%) Wiki
10 8 (1.35%) Enterprise Software
10 8 (1.35%) Foreign Exchange (FX)
11 7 (1.18%) Public Cloud
12 6 (1.01%) Equities
12 6 (1.01%) Internet of Things
13 5 (0.84%) Credit Risk
13 5 (0.84%) Equity Risk
13 5 (0.84%) Fixed Income
14 4 (0.67%) Clustering
Operating Systems
1 124 (20.88%) Linux
2 40 (6.73%) Red Hat Enterprise Linux
3 38 (6.40%) Unix
4 36 (6.06%) Windows
5 28 (4.71%) CentOS
6 21 (3.54%) Android
6 21 (3.54%) Apple iOS
7 12 (2.02%) Windows Server
8 10 (1.68%) VMS
9 5 (0.84%) Solaris
10 2 (0.34%) Ubuntu
10 2 (0.34%) Windows Server 2008
10 2 (0.34%) Windows Server 2012
10 2 (0.34%) zOS
Processes & Methodologies
1 300 (50.51%) Agile Software Development
2 221 (37.21%) Microservices
3 181 (30.47%) DevOps
4 162 (27.27%) TDD
5 108 (18.18%) Machine Learning
6 93 (15.66%) Software Engineering
7 90 (15.15%) Test Automation
8 89 (14.98%) Continuous Integration
8 89 (14.98%) Open Source
9 78 (13.13%) Analytics
10 75 (12.63%) BDD
11 74 (12.46%) Data Science
12 72 (12.12%) Scrum
13 63 (10.61%) Problem-Solving
14 59 (9.93%) MapReduce
15 57 (9.60%) ETL
16 54 (9.09%) OO
17 50 (8.42%) Web Development
18 49 (8.25%) SDLC
19 48 (8.08%) Continuous Delivery
Programming Languages
1 343 (57.74%) Java
2 281 (47.31%) Python
3 190 (31.99%) SQL
4 157 (26.43%) JavaScript
5 134 (22.56%) Scala
6 77 (12.96%) Java 8
7 38 (6.40%) Bash Shell
8 35 (5.89%) R
9 28 (4.71%) C#
9 28 (4.71%) C++
10 23 (3.87%) Clojure
11 19 (3.20%) Groovy
12 18 (3.03%) MATLAB
13 17 (2.86%) ES6
14 16 (2.69%) C
14 16 (2.69%) Go
14 16 (2.69%) Perl
15 15 (2.53%) ES7
16 12 (2.02%) PL/SQL
17 10 (1.68%) TypeScript
Qualifications
1 48 (8.08%) Degree
2 17 (2.86%) Computer Science Degree
3 11 (1.85%) Master's Degree
4 10 (1.68%) Security Cleared
5 8 (1.35%) SC Cleared
6 6 (1.01%) PhD
7 2 (0.34%) BPSS Clearance
8 1 (0.17%) Numerate Degree
8 1 (0.17%) PMI Certification
8 1 (0.17%) PMP
8 1 (0.17%) TOGAF Certification
Quality Assurance & Compliance
1 14 (2.36%) QA
2 8 (1.35%) Data Quality
3 6 (1.01%) GDPR
4 2 (0.34%) PSD2
5 1 (0.17%) HL7
System Software
1 213 (35.86%) Docker
2 38 (6.40%) Apache Flume
3 36 (6.06%) HDFS
4 19 (3.20%) Apache ZooKeeper
5 10 (1.68%) Active Directory
6 4 (0.67%) VMware Infrastructure
7 3 (0.51%) KVM
7 3 (0.51%) Xen
8 2 (0.34%) BIND 9
8 2 (0.34%) NFS
8 2 (0.34%) Oracle RAC
8 2 (0.34%) Postfix
9 1 (0.17%) Varnish
9 1 (0.17%) Virtual Machines
Systems Management
1 168 (28.28%) Kubernetes
2 93 (15.66%) Ansible
3 78 (13.13%) Terraform
4 77 (12.96%) Puppet
5 36 (6.06%) Grafana
6 31 (5.22%) Opscode Chef
6 31 (5.22%) Prometheus
7 26 (4.38%) Hadoop YARN
8 24 (4.04%) Oozie
8 24 (4.04%) Packer
9 21 (3.54%) Kibana
10 19 (3.20%) logstash
11 17 (2.86%) Rancher
12 12 (2.02%) Consul
13 11 (1.85%) Graphite
14 10 (1.68%) linkerd
14 10 (1.68%) Rundeck
14 10 (1.68%) SCCM
15 9 (1.52%) ZABBIX
16 3 (0.51%) Docker Swarm
Vendors
1 78 (13.13%) Oracle
2 66 (11.11%) Google
3 47 (7.91%) Splunk
4 45 (7.58%) Microsoft
5 20 (3.37%) Cloudera
6 17 (2.86%) hybris
7 15 (2.53%) Red Hat
8 13 (2.19%) Black Duck
9 10 (1.68%) Citrix
9 10 (1.68%) Dynatrace
9 10 (1.68%) Talend
9 10 (1.68%) Teradata
10 9 (1.52%) F5
10 9 (1.52%) SaltStack
10 9 (1.52%) ServiceNow
10 9 (1.52%) Tableau
11 8 (1.35%) Databricks
11 8 (1.35%) New Relic
12 7 (1.18%) Palo Alto
12 7 (1.18%) SAP