Period
to 19 July 2018

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 19 July 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
6 months to
19 Jul 2018
Same period 2017 Same period 2016
Rank 112 103 111
Rank change year-on-year -9 +8 +32
Contract jobs citing Apache Cassandra 40 35 41
As % of all contract IT jobs advertised in Leeds 1.58% 1.61% 1.38%
As % of the Database & Business Intelligence category 6.01% 6.38% 5.73%
Number of daily rates quoted 38 44 31
Leeds median daily rate £481 £523 £425
Median daily rate % change year-on-year -7.89% +22.94% -34.62%
10th Percentile £344 £383 £306
90th Percentile £588 £645 £700
West Yorkshire median daily rate £494 £523 £425
% change year-on-year -5.50% +22.94% -34.62%
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 666 549 715
As % of all contract IT jobs advertised in Leeds 26.24% 25.28% 24.12%
Number of daily rates quoted 478 378 525
Leeds median daily rate £400 £400 £395
Median daily rate % change year-on-year - +1.27% +12.86%
10th Percentile £313 £308 £300
90th Percentile £538 £507 £525
West Yorkshire median daily rate £400 £400 £381
% change year-on-year - +4.99% +8.86%
Number of hourly rates quoted 5 3 2
Leeds median hourly rate £24.00 £19.00 £15.30
Median hourly rate % change year-on-year +26.32% +24.22% -17.32%
10th Percentile £12.80 £17.30 £14.43
90th Percentile £33.45 £24.50 £15.96
West Yorkshire median hourly rate £28.00 £19.00 £18.55
% change year-on-year +47.37% +2.45% +0.93%

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 19 July 2018.

Contractor daily rate histogram for Apache Cassandra in Leeds

For the 6 months to 19 July 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 Leeds region with a requirement for Apache Cassandra.

1 35 (87.50%) Agile Software Development
2 32 (80.00%) Java
3 29 (72.50%) NoSQL
4 28 (70.00%) MongoDB
4 28 (70.00%) Git (software)
4 28 (70.00%) TDD
4 28 (70.00%) Software Engineering
5 26 (65.00%) SQL
5 26 (65.00%) Jenkins
6 25 (62.50%) PostgreSQL
7 24 (60.00%) MySQL
7 24 (60.00%) JavaScript
8 22 (55.00%) Linux
8 22 (55.00%) Scrum
9 21 (52.50%) Node.js
9 21 (52.50%) REST
9 21 (52.50%) Test Automation
9 21 (52.50%) Kanban
9 21 (52.50%) Microservices
10 20 (50.00%) Red Hat Enterprise Linux
10 20 (50.00%) Open Source
10 20 (50.00%) BDD
10 20 (50.00%) Jasmine
10 20 (50.00%) JUnit
10 20 (50.00%) Red Hat
11 19 (47.50%) RabbitMQ
12 17 (42.50%) Confluence
12 17 (42.50%) Cucumber
12 17 (42.50%) JIRA
12 17 (42.50%) SFIA

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 17 (42.50%) Confluence
2 14 (35.00%) Apache
3 8 (20.00%) Elasticsearch
4 6 (15.00%) nginx
5 5 (12.50%) Apache Spark
6 4 (10.00%) Tomcat
7 3 (7.50%) Apache Pig
8 1 (2.50%) IIS
8 1 (2.50%) Jetty
8 1 (2.50%) Mongrel
8 1 (2.50%) WebSphere
Cloud Services
1 17 (42.50%) Slack
2 4 (10.00%) Amazon AWS
3 3 (7.50%) AWS CloudFormation
3 3 (7.50%) CloudFront
4 1 (2.50%) Amazon EC2
4 1 (2.50%) Google App Engine
4 1 (2.50%) Google Cloud Platform
Communications & Networking
1 1 (2.50%) DHCP
1 1 (2.50%) DNS
1 1 (2.50%) FTP
1 1 (2.50%) HTTP
1 1 (2.50%) IPsec
1 1 (2.50%) SMS
1 1 (2.50%) SSL
1 1 (2.50%) TCP/IP
Database & Business Intelligence
1 29 (72.50%) NoSQL
2 28 (70.00%) MongoDB
3 25 (62.50%) PostgreSQL
4 24 (60.00%) MySQL
5 15 (37.50%) Big Data
6 13 (32.50%) Apache Hive
7 8 (20.00%) Hadoop
8 7 (17.50%) Redis
9 6 (15.00%) Relational Database
9 6 (15.00%) Riak
10 5 (12.50%) CouchDB
10 5 (12.50%) GIS
11 3 (7.50%) HBase
11 3 (7.50%) Oracle Database
12 1 (2.50%) Data Warehouse
Development Applications
1 28 (70.00%) Git (software)
2 26 (65.00%) Jenkins
3 20 (50.00%) Jasmine
3 20 (50.00%) JUnit
4 17 (42.50%) Cucumber
4 17 (42.50%) JIRA
5 10 (25.00%) Artifactory
6 5 (12.50%) Mercurial
6 5 (12.50%) Subversion
7 1 (2.50%) Maven
7 1 (2.50%) Travis CI
General
1 2 (5.00%) Retail
2 1 (2.50%) Banking
2 1 (2.50%) Finance
Job Titles
1 15 (37.50%) Developer
1 15 (37.50%) Software Engineer
2 9 (22.50%) Java Developer
3 7 (17.50%) Software Developer
4 6 (15.00%) Java Software Developer
5 5 (12.50%) Python Developer
6 4 (10.00%) DevOps Engineer
6 4 (10.00%) Java Engineer
7 3 (7.50%) JavaScript Engineer
8 2 (5.00%) Analyst
8 2 (5.00%) Applications Support
8 2 (5.00%) Architect
8 2 (5.00%) AWS Architect
8 2 (5.00%) AWS Developer
8 2 (5.00%) AWS Engineer
8 2 (5.00%) IT Support
8 2 (5.00%) Java Architect
8 2 (5.00%) Java Software Engineer
8 2 (5.00%) Lead Software Engineer
8 2 (5.00%) Support Analyst
Libraries, Frameworks & Software Standards
1 21 (52.50%) Node.js
1 21 (52.50%) REST
2 19 (47.50%) RabbitMQ
3 14 (35.00%) Spring
4 13 (32.50%) Kafka
4 13 (32.50%) Spring Boot
5 12 (30.00%) ActiveMQ
6 11 (27.50%) Spring Batch
6 11 (27.50%) Spring Security
7 5 (12.50%) Web Services
8 4 (10.00%) Apache Camel
9 3 (7.50%) jQuery
9 3 (7.50%) RESTful
10 2 (5.00%) GraphQL
10 2 (5.00%) PySpark
11 1 (2.50%) .NET Framework
11 1 (2.50%) OAuth
11 1 (2.50%) OpenID
11 1 (2.50%) SAML
11 1 (2.50%) XML
Miscellaneous
1 3 (7.50%) Analytical Skills
1 3 (7.50%) Greenfield Project
2 2 (5.00%) Mobile App
2 2 (5.00%) NHS
Operating Systems
1 22 (55.00%) Linux
2 20 (50.00%) Red Hat Enterprise Linux
3 3 (7.50%) Unix
4 1 (2.50%) Android
4 1 (2.50%) Apple iOS
Processes & Methodologies
1 35 (87.50%) Agile Software Development
2 28 (70.00%) Software Engineering
2 28 (70.00%) TDD
3 22 (55.00%) Scrum
4 21 (52.50%) Kanban
4 21 (52.50%) Microservices
4 21 (52.50%) Test Automation
5 20 (50.00%) BDD
5 20 (50.00%) Open Source
6 17 (42.50%) SFIA
7 15 (37.50%) Coaching
7 15 (37.50%) Mentoring
8 10 (25.00%) Integration Testing
9 7 (17.50%) Continuous Delivery
9 7 (17.50%) Continuous Integration
9 7 (17.50%) SDLC
9 7 (17.50%) User Stories
10 6 (15.00%) Deployment Automation
11 5 (12.50%) DevOps
12 3 (7.50%) Problem-Solving
Programming Languages
1 32 (80.00%) Java
2 26 (65.00%) SQL
3 24 (60.00%) JavaScript
4 7 (17.50%) Python
5 3 (7.50%) COBOL
5 3 (7.50%) PHP
6 2 (5.00%) C
6 2 (5.00%) Java 8
6 2 (5.00%) Perl
7 1 (2.50%) ES6
Qualifications
1 3 (7.50%) BPSS Clearance
2 2 (5.00%) SC Cleared
2 2 (5.00%) Security Cleared
Quality Assurance & Compliance
1 1 (2.50%) PMO
System Software
1 3 (7.50%) Docker
2 1 (2.50%) VMware Infrastructure
2 1 (2.50%) Xen
Systems Management
1 16 (40.00%) Puppet
2 10 (25.00%) Grafana
2 10 (25.00%) Graylog
2 10 (25.00%) Terraform
3 8 (20.00%) Ansible
4 3 (7.50%) Opscode Chef
Vendors
1 20 (50.00%) Red Hat
2 4 (10.00%) Oracle
3 2 (5.00%) CA
4 1 (2.50%) Google
4 1 (2.50%) Microsoft
4 1 (2.50%) VMware