Period
to 16 December 2017

The following table provides summary statistics for contract job vacancies advertised in Leeds 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 16 December 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
6 months to
16 Dec 2017
Same period 2016 Same period 2015
Rank 86 110 119
Rank change year-on-year +24 +9 0
Contract jobs citing Apache Cassandra 52 34 38
As % of all contract IT jobs advertised in Leeds 2.33% 1.34% 1.17%
As % of the Database & Business Intelligence category 8.62% 5.23% 4.59%
Number of daily rates quoted 56 26 24
Leeds median daily rate £525 £431 £625
Median daily rate % change year-on-year +21.74% -31.00% -16.67%
10th Percentile £364 £400 £364
90th Percentile £645 £484 £675
West Yorkshire median daily rate £525 £431 £625
% change year-on-year +21.74% -31.00% -16.67%
Number of hourly rates quoted 0 0 0
Leeds median hourly rate - - -
West Yorkshire median hourly rate - - -

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 Leeds with a requirement for database or business intelligence skills.

All Database and Business Intelligence Skills
Leeds
Contract vacancies with a requirement for database or business intelligence skills 603 650 828
As % of all contract IT jobs advertised in Leeds 27.00% 25.69% 25.43%
Number of daily rates quoted 445 449 553
Leeds median daily rate £400 £388 £375
Median daily rate % change year-on-year +3.23% +3.33% +14.50%
10th Percentile £305 £296 £281
90th Percentile £543 £538 £525
West Yorkshire median daily rate £400 £375 £375
% change year-on-year +6.67% - +7.14%
Number of hourly rates quoted 0 7 7
Leeds median hourly rate - £14.50 £17.50
Median hourly rate % change year-on-year - -17.14% +9.38%
West Yorkshire median hourly rate - £18.38 £17.50
% change year-on-year - +5.00% +9.38%

Apache Cassandra
Job Vacancy Trend in Leeds

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

Job vacancy trend for Apache Cassandra in Leeds

Apache Cassandra
Contractor Daily Rate Trend in Leeds

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

Contractor daily rate trend for Apache Cassandra in Leeds

Apache Cassandra
Contractor Daily Rate Histogram in Leeds

The daily rate distribution of IT jobs citing Apache Cassandra in Leeds over the 6 months to 16 December 2017.

Contractor daily rate histogram for Apache Cassandra in Leeds

For the 6 months to 16 December 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 Leeds region with a requirement for Apache Cassandra.

1 47 (90.38%) Agile Software Development
2 43 (82.69%) Java
3 36 (69.23%) SQL
3 36 (69.23%) MongoDB
3 36 (69.23%) Jenkins
4 35 (67.31%) Git (software)
5 32 (61.54%) NoSQL
5 32 (61.54%) TDD
6 29 (55.77%) Node.js
6 29 (55.77%) Test Automation
7 28 (53.85%) BDD
7 28 (53.85%) Scrum
7 28 (53.85%) MySQL
7 28 (53.85%) Microservices
8 27 (51.92%) Linux
9 26 (50.00%) Software Engineering
9 26 (50.00%) JIRA
9 26 (50.00%) Kanban
9 26 (50.00%) Red Hat Enterprise Linux
10 25 (48.08%) JavaScript
11 24 (46.15%) JUnit
11 24 (46.15%) Confluence
12 23 (44.23%) Open Source
12 23 (44.23%) Cucumber
12 23 (44.23%) Red Hat
13 22 (42.31%) REST
13 22 (42.31%) SFIA
13 22 (42.31%) Slack
14 21 (40.38%) Jasmine
14 21 (40.38%) PostgreSQL

Apache Cassandra
Co-occurring IT Skills in Leeds 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 24 (46.15%) Confluence
2 11 (21.15%) Tomcat
3 5 (9.62%) JBoss
3 5 (9.62%) Jetty
3 5 (9.62%) Tornado
3 5 (9.62%) WebLogic
4 3 (5.77%) nginx
5 2 (3.85%) Elasticsearch
5 2 (3.85%) OpenStack
Applications
1 2 (3.85%) Microsoft Project
Cloud Services
1 22 (42.31%) Slack
2 4 (7.69%) Amazon AWS
3 2 (3.85%) GitHub
3 2 (3.85%) IaaS
3 2 (3.85%) Microsoft Azure
3 2 (3.85%) PaaS
3 2 (3.85%) SaaS
Communications & Networking
1 5 (9.62%) AMQP
2 3 (5.77%) HTTP
Database & Business Intelligence
1 36 (69.23%) MongoDB
2 32 (61.54%) NoSQL
3 28 (53.85%) MySQL
4 21 (40.38%) PostgreSQL
5 7 (13.46%) Hadoop
5 7 (13.46%) Riak
6 5 (9.62%) Couchbase
6 5 (9.62%) Oracle Database
6 5 (9.62%) Redis
6 5 (9.62%) Relational Database
7 2 (3.85%) Big Data
7 2 (3.85%) DB2
Development Applications
1 36 (69.23%) Jenkins
2 35 (67.31%) Git (software)
3 26 (50.00%) JIRA
4 24 (46.15%) JUnit
5 23 (44.23%) Cucumber
6 21 (40.38%) Jasmine
7 8 (15.38%) Maven
8 6 (11.54%) Selenium
9 5 (9.62%) FitNesse
9 5 (9.62%) JBehave
9 5 (9.62%) Vagrant
10 3 (5.77%) SonarQube
11 2 (3.85%) Babel
11 2 (3.85%) Grunt
11 2 (3.85%) gulp
11 2 (3.85%) Mockito
General
1 5 (9.62%) Finance
2 3 (5.77%) Banking
3 2 (3.85%) Retail Banking
Job Titles
1 19 (36.54%) Developer
2 16 (30.77%) Software Engineer
3 15 (28.85%) Java Developer
4 9 (17.31%) Java Engineer
4 9 (17.31%) Java Software Engineer
5 7 (13.46%) Agile Developer
5 7 (13.46%) JavaScript Developer
6 6 (11.54%) Agile Java Developer
6 6 (11.54%) JavaScript Engineer
7 5 (9.62%) DevOps Engineer
8 4 (7.69%) Analyst
8 4 (7.69%) Lead Software Engineer
8 4 (7.69%) SQL Analyst
8 4 (7.69%) SQL Support Analyst
8 4 (7.69%) Support Analyst
9 3 (5.77%) Consultant
9 3 (5.77%) IT Support
9 3 (5.77%) IT Support Analyst
9 3 (5.77%) Oracle Consultant
9 3 (5.77%) Software Developer
Libraries, Frameworks & Software Standards
1 29 (55.77%) Node.js
2 22 (42.31%) REST
3 15 (28.85%) RabbitMQ
4 11 (21.15%) Spring
5 9 (17.31%) Hibernate
6 8 (15.38%) AngularJS
6 8 (15.38%) Apache Camel
7 7 (13.46%) Spring Boot
7 7 (13.46%) Web Services
8 6 (11.54%) ActiveMQ
8 6 (11.54%) JMS
8 6 (11.54%) Kafka
9 5 (9.62%) Flask
9 5 (9.62%) Gherkin
10 3 (5.77%) CSS
10 3 (5.77%) CSS3
10 3 (5.77%) HTML
10 3 (5.77%) HTML5
10 3 (5.77%) LEMP Stack
11 2 (3.85%) RESTful
Miscellaneous
1 6 (11.54%) Analytical Skills
2 3 (5.77%) Clustering
3 2 (3.85%) Management Information System
4 1 (1.92%) Mobile App
Operating Systems
1 27 (51.92%) Linux
2 26 (50.00%) Red Hat Enterprise Linux
3 7 (13.46%) Unix
Processes & Methodologies
1 47 (90.38%) Agile Software Development
2 32 (61.54%) TDD
3 29 (55.77%) Test Automation
4 28 (53.85%) BDD
4 28 (53.85%) Microservices
4 28 (53.85%) Scrum
5 26 (50.00%) Kanban
5 26 (50.00%) Software Engineering
6 23 (44.23%) Open Source
7 22 (42.31%) SFIA
8 17 (32.69%) Integration Testing
9 16 (30.77%) Coaching
9 16 (30.77%) Mentoring
10 15 (28.85%) Continuous Delivery
11 13 (25.00%) DevOps
12 9 (17.31%) SDLC
13 6 (11.54%) Configuration Management
14 5 (9.62%) Change Management
14 5 (9.62%) DSDM
14 5 (9.62%) RUP
Programming Languages
1 43 (82.69%) Java
2 36 (69.23%) SQL
3 25 (48.08%) JavaScript
4 11 (21.15%) Python
5 8 (15.38%) Bash Shell
6 6 (11.54%) COBOL
7 5 (9.62%) Ruby
8 4 (7.69%) Shell Script
9 2 (3.85%) TypeScript
10 1 (1.92%) ES6
10 1 (1.92%) Perl
10 1 (1.92%) PL/SQL
Qualifications
1 7 (13.46%) BPSS Clearance
2 2 (3.85%) AWS Certification
2 2 (3.85%) CCDP
2 2 (3.85%) CCNP
2 2 (3.85%) Chartered Engineer
2 2 (3.85%) Cisco Certification
2 2 (3.85%) CISM
2 2 (3.85%) CISSP
2 2 (3.85%) ITIL Certification
Quality Assurance & Compliance
1 5 (9.62%) QA
System Software
1 14 (26.92%) Docker
2 3 (5.77%) Xen
3 2 (3.85%) Hyper-V
3 2 (3.85%) Virtual Machines
Systems Management
1 11 (21.15%) Puppet
2 8 (15.38%) Opscode Chef
3 6 (11.54%) Ansible
4 3 (5.77%) Kubernetes
4 3 (5.77%) Rancher
5 2 (3.85%) Terraform
Vendors
1 23 (44.23%) Red Hat
2 15 (28.85%) Oracle
3 4 (7.69%) Microsoft
4 2 (3.85%) Cisco
4 2 (3.85%) Google
5 1 (1.92%) CA