The following table provides summary statistics for contract job vacancies advertised in West Yorkshire 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 3 months to 25 June 2017 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
Yorkshire / West Yorkshire
3 months to
25 Jun 2017
Same period 2016 Same period 2015
Rank 88 104 113
Rank change year-on-year +16 +9  
Contract jobs citing Apache Cassandra 12 17 7
As % of all contract IT jobs advertised in West Yorkshire 0.85% 0.84% 0.33%
As % of the Database & Business Intelligence category 3.85% 3.81% 1.11%
Number of daily rates quoted 11 12 2
Median daily rate £430 £400 £563
Median daily rate % change year-on-year +7.50% -28.88%  
90% offered a daily rate of more than £425 £313 £533
10% offered a daily rate of more than £580 £473 £593
UK excluding London median daily rate £475 £425 £525
% change year-on-year +11.76% -19.04%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - £55.00 -

Apache Cassandra is in the database and business intelligence skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in West Yorkshire with a requirement for database and business intelligence skills.

Contract Database & Business Intelligence Skills
West Yorkshire
Contract job vacancies with a requirement for database and business intelligence skills 312 446 628
As % of all contract IT job vacancies advertised in West Yorkshire 22.13% 22.07% 29.69%
Number of daily rates quoted 206 316 425
Median daily rate £400 £400 £350
Median daily rate % change year-on-year - +14.28%  
90% offered a daily rate of more than £315 £300 £285
10% offered a daily rate of more than £452 £480 £450
UK excluding London median daily rate £400 £383 £350
% change year-on-year +4.57% +9.28%  
Number of hourly rates quoted 4 3 6
Median hourly rate £22.00 £16.09 £17.50
Median hourly rate % change year-on-year +36.73% -8.05%  
90% offered a hourly rate of more than £15.60 £15.30 £14.00
10% offered a hourly rate of more than £22.90 £100.55 £45.00
UK excluding London median hourly rate £38.00 £30.50 £26.00
% change year-on-year +24.59% +17.30%  

Apache Cassandra
Job Vacancy Trend in West Yorkshire

The job posting trend of jobs advertised in West Yorkshire citing Apache Cassandra as a proportion of all contract or permanent IT jobs with a match in the Database & Business Intelligence category.

Job vacancy trend for Apache Cassandra in West Yorkshire

Apache Cassandra
Contractor Daily Rate Trend in West Yorkshire

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

Contractor daily rate trend for Apache Cassandra in West Yorkshire

Apache Cassandra
Contractor Daily Rate Histogram in West Yorkshire

The daily rate distribution of IT jobs citing Apache Cassandra in West Yorkshire over the 3 months to 25 June 2017.

Contractor daily rate histogram for Apache Cassandra in West Yorkshire

Apache Cassandra
Contract Job Locations in West Yorkshire

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 West Yorkshire region over the 3 months to 25 June 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Leeds +13 12 £430 +7.50% 4
Apache Cassandra
Yorkshire

For the 6 months to 25 June 2017, IT contractor jobs citing Apache Cassandra also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the West Yorkshire region with a requirement for Apache Cassandra.

1 25 (83.33%) TDD
2 24 (80.00%) Java
3 23 (76.67%) MongoDB
4 20 (66.67%) Git (software)
5 19 (63.33%) Jenkins
6 18 (60.00%) NoSQL
6 18 (60.00%) Open Source
6 18 (60.00%) Agile Software Development
7 17 (56.67%) MySQL
8 16 (53.33%) JavaScript
8 16 (53.33%) PostgreSQL
8 16 (53.33%) REST
9 14 (46.67%) Node.js
9 14 (46.67%) DevOps
10 13 (43.33%) Microservices
10 13 (43.33%) SQL
10 13 (43.33%) Linux
11 12 (40.00%) Configuration Management
11 12 (40.00%) Scrum
11 12 (40.00%) Software Engineering
11 12 (40.00%) BDD
11 12 (40.00%) Confluence
11 12 (40.00%) Red Hat Enterprise Linux
11 12 (40.00%) Test Automation
11 12 (40.00%) JIRA
12 11 (36.67%) Kanban
12 11 (36.67%) Puppet
12 11 (36.67%) HTML
12 11 (36.67%) CSS
12 11 (36.67%) Slack

Apache Cassandra
Co-occurring IT Skills in West Yorkshire 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 12 (40.00%) Confluence
2 2 (6.67%) nginx
2 2 (6.67%) OpenStack
3 1 (3.33%) Apache
3 1 (3.33%) Apache Spark
Cloud Services
1 11 (36.67%) Slack
2 5 (16.67%) Amazon AWS
2 5 (16.67%) IaaS
3 4 (13.33%) Google Cloud Platform
3 4 (13.33%) Loggly
3 4 (13.33%) Sumo Logic
4 1 (3.33%) PaaS
4 1 (3.33%) SaaS
Communications & Networking
1 3 (10.00%) HTTP
2 1 (3.33%) DNS
2 1 (3.33%) Internet
Database & Business Intelligence
1 23 (76.67%) MongoDB
2 18 (60.00%) NoSQL
3 17 (56.67%) MySQL
4 16 (53.33%) PostgreSQL
5 5 (16.67%) Riak
6 4 (13.33%) Relational Database
7 2 (6.67%) Redis
8 1 (3.33%) Amazon DynamoDB
8 1 (3.33%) Couchbase
8 1 (3.33%) Hadoop
8 1 (3.33%) HBase
Development Applications
1 20 (66.67%) Git (software)
2 19 (63.33%) Jenkins
3 12 (40.00%) JIRA
4 9 (30.00%) Cucumber
4 9 (30.00%) Jasmine
4 9 (30.00%) JUnit
5 8 (26.67%) Maven
6 4 (13.33%) Grunt
6 4 (13.33%) Vagrant
7 2 (6.67%) SonarQube
Job Titles
1 11 (36.67%) Developer
2 10 (33.33%) Java Developer
3 9 (30.00%) Java Engineer
4 6 (20.00%) Architect
4 6 (20.00%) Technical Architect
5 5 (16.67%) Java Software Engineer
5 5 (16.67%) Software Engineer
6 4 (13.33%) Java Software Developer
6 4 (13.33%) Software Developer
7 3 (10.00%) DevOps Engineer
7 3 (10.00%) JavaScript Engineer
7 3 (10.00%) Senior Java Engineer
7 3 (10.00%) Senior Java Software Engineer
7 3 (10.00%) Senior Software Engineer
8 2 (6.67%) AWS DevOps
8 2 (6.67%) Java Architect
8 2 (6.67%) Java Technical Architect
8 2 (6.67%) Senior DevOps
8 2 (6.67%) Senior DevOps Engineer
8 2 (6.67%) SQL Developer
Libraries, Frameworks & Software Standards
1 16 (53.33%) REST
2 14 (46.67%) Node.js
3 11 (36.67%) CSS
3 11 (36.67%) HTML
4 10 (33.33%) CSS3
4 10 (33.33%) HTML5
5 9 (30.00%) Spring
6 8 (26.67%) Apache Camel
6 8 (26.67%) RabbitMQ
7 7 (23.33%) Django
8 6 (20.00%) Ajax
8 6 (20.00%) JSON
8 6 (20.00%) Play Framework
8 6 (20.00%) Ruby on Rails
8 6 (20.00%) Spring Boot
9 5 (16.67%) Web Services
10 4 (13.33%) AngularJS
10 4 (13.33%) Elastic Stack
10 4 (13.33%) Hibernate
10 4 (13.33%) jQuery
Miscellaneous
1 3 (10.00%) Management Information System
2 2 (6.67%) Clustering
3 1 (3.33%) Replication
Operating Systems
1 13 (43.33%) Linux
2 12 (40.00%) Red Hat Enterprise Linux
3 4 (13.33%) Android
4 1 (3.33%) CoreOS
Processes & Methodologies
1 25 (83.33%) TDD
2 18 (60.00%) Agile Software Development
2 18 (60.00%) Open Source
3 14 (46.67%) DevOps
4 13 (43.33%) Microservices
5 12 (40.00%) BDD
5 12 (40.00%) Configuration Management
5 12 (40.00%) Scrum
5 12 (40.00%) Software Engineering
5 12 (40.00%) Test Automation
6 11 (36.67%) Kanban
7 9 (30.00%) SDLC
8 7 (23.33%) SFIA
8 7 (23.33%) User Stories
9 6 (20.00%) Digital Transformation Programme
9 6 (20.00%) Product Management
9 6 (20.00%) Prototyping
9 6 (20.00%) Software Architecture
10 5 (16.67%) Coaching
10 5 (16.67%) Mentoring
Programming Languages
1 24 (80.00%) Java
2 16 (53.33%) JavaScript
3 13 (43.33%) SQL
4 9 (30.00%) Ruby
4 9 (30.00%) Scala
5 7 (23.33%) Python
6 5 (16.67%) Bash Shell
7 4 (13.33%) PHP
8 3 (10.00%) C#
8 3 (10.00%) C++
8 3 (10.00%) Go
9 2 (6.67%) Shell Script
Qualifications
1 2 (6.67%) BPSS Clearance
2 1 (3.33%) AWS Certification
2 1 (3.33%) CCDP
2 1 (3.33%) CCNP
2 1 (3.33%) Chartered Engineer
2 1 (3.33%) Cisco Certification
2 1 (3.33%) CISM
2 1 (3.33%) CISSP
2 1 (3.33%) Degree
2 1 (3.33%) ITIL Certification
Quality Assurance & Compliance
1 3 (10.00%) QA
System Software
1 9 (30.00%) Docker
2 1 (3.33%) HDFS
2 1 (3.33%) Hyper-V
2 1 (3.33%) Virtual Machines
2 1 (3.33%) VirtualBox
2 1 (3.33%) VMware Infrastructure
Systems Management
1 11 (36.67%) Puppet
2 10 (33.33%) Opscode Chef
3 8 (26.67%) Ansible
4 4 (13.33%) Nagios
4 4 (13.33%) Salt
4 4 (13.33%) ZABBIX
5 3 (10.00%) Kubernetes
5 3 (10.00%) Prometheus
6 2 (6.67%) Rancher
7 1 (3.33%) Terraform
Vendors
1 10 (33.33%) Red Hat
2 5 (16.67%) Oracle
3 4 (13.33%) Google
3 4 (13.33%) New Relic
3 4 (13.33%) Rackspace
3 4 (13.33%) SaltStack
3 4 (13.33%) Splunk
4 1 (3.33%) Cisco
4 1 (3.33%) Microsoft
4 1 (3.33%) VMware
Leeds, West Yorkshire
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Rate: From £630 to £650 per day
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