Period
to 20 October 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 20 October 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
20 Oct 2018
Same period 2017 Same period 2016
Rank 101 94 119
Rank change year-on-year -7 +25 +12
Contract jobs citing Apache Cassandra 32 37 31
As % of all contract IT jobs advertised in Leeds 1.35% 1.69% 1.12%
As % of the Database & Business Intelligence category 5.40% 6.25% 4.47%
Number of daily rates quoted 30 48 24
Leeds median daily rate £494 £525 £425
Median daily rate % change year-on-year -5.95% +23.53% -33.98%
10th Percentile £348 £387 £400
90th Percentile £700 £645 £493
West Yorkshire median daily rate £494 £525 £425
% change year-on-year -5.95% +23.53% -33.98%
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 593 592 693
As % of all contract IT jobs advertised in Leeds 25.00% 27.07% 25.15%
Number of daily rates quoted 425 426 478
Leeds median daily rate £425 £400 £388
Median daily rate % change year-on-year +6.25% +3.23% +7.64%
10th Percentile £325 £313 £299
90th Percentile £575 £536 £525
West Yorkshire median daily rate £425 £400 £375
% change year-on-year +6.25% +6.67% +4.17%
Number of hourly rates quoted 12 2 8
Leeds median hourly rate £17.00 £21.25 £15.30
Median hourly rate % change year-on-year -20.00% +38.93% -12.60%
10th Percentile £12.55 £17.98 £13.28
90th Percentile £32.20 £24.73 £31.50
West Yorkshire median hourly rate £17.00 £19.75 £18.38
% change year-on-year -13.92% +7.48% +5.00%

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 20 October 2018.

Contractor daily rate histogram for Apache Cassandra in Leeds

For the 6 months to 20 October 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 22 (68.75%) Agile Software Development
1 22 (68.75%) MongoDB
2 21 (65.63%) Jenkins
3 19 (59.38%) Python
4 18 (56.25%) NoSQL
5 17 (53.13%) RabbitMQ
5 17 (53.13%) TDD
6 16 (50.00%) SQL
6 16 (50.00%) Continuous Integration
7 15 (46.88%) Git (software)
7 15 (46.88%) Java
7 15 (46.88%) PostgreSQL
8 14 (43.75%) Redis
9 13 (40.63%) DevOps
9 13 (40.63%) nginx
9 13 (40.63%) Software Engineering
10 12 (37.50%) Subversion
10 12 (37.50%) GIS
10 12 (37.50%) Apache
10 12 (37.50%) Mercurial
10 12 (37.50%) Hadoop
10 12 (37.50%) CouchDB
10 12 (37.50%) Apache Spark
10 12 (37.50%) Elasticsearch
10 12 (37.50%) Ansible
11 11 (34.38%) Riak
11 11 (34.38%) MySQL
11 11 (34.38%) Microservices
12 10 (31.25%) Docker
13 9 (28.13%) Puppet

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 13 (40.63%) nginx
2 12 (37.50%) Apache
2 12 (37.50%) Apache Spark
2 12 (37.50%) Elasticsearch
3 4 (12.50%) Confluence
3 4 (12.50%) Tomcat
4 1 (3.13%) IIS
4 1 (3.13%) Jetty
4 1 (3.13%) Mongrel
4 1 (3.13%) WebSphere
Cloud Services
1 8 (25.00%) Amazon AWS
1 8 (25.00%) Amazon EC2
2 7 (21.88%) Amazon ELB
2 7 (21.88%) Route 53
2 7 (21.88%) Virtual Private Cloud
3 6 (18.75%) Amazon S3
4 4 (12.50%) Slack
5 1 (3.13%) Google App Engine
5 1 (3.13%) Google Cloud Platform
Communications & Networking
1 8 (25.00%) HTTP
2 1 (3.13%) DHCP
2 1 (3.13%) DNS
2 1 (3.13%) FTP
2 1 (3.13%) IPsec
2 1 (3.13%) SSL
2 1 (3.13%) TCP/IP
Database & Business Intelligence
1 22 (68.75%) MongoDB
2 18 (56.25%) NoSQL
3 15 (46.88%) PostgreSQL
4 14 (43.75%) Redis
5 12 (37.50%) CouchDB
5 12 (37.50%) GIS
5 12 (37.50%) Hadoop
6 11 (34.38%) MySQL
6 11 (34.38%) Riak
7 3 (9.38%) Big Data
7 3 (9.38%) Oracle Database
7 3 (9.38%) Relational Database
8 1 (3.13%) Apache Hive
8 1 (3.13%) Data Warehouse
Development Applications
1 21 (65.63%) Jenkins
2 15 (46.88%) Git (software)
3 12 (37.50%) Mercurial
3 12 (37.50%) Subversion
4 7 (21.88%) GitLab
4 7 (21.88%) SonarQube
5 4 (12.50%) JIRA
6 2 (6.25%) Jasmine
6 2 (6.25%) JUnit
7 1 (3.13%) Artifactory
7 1 (3.13%) Cucumber
7 1 (3.13%) Maven
7 1 (3.13%) Travis CI
General
1 2 (6.25%) Retail
Job Titles
1 14 (43.75%) Developer
2 12 (37.50%) Python Developer
3 8 (25.00%) DevOps Engineer
4 3 (9.38%) Architect
4 3 (9.38%) AWS Engineer
5 2 (6.25%) Analyst
5 2 (6.25%) Applications Support
5 2 (6.25%) AWS Architect
5 2 (6.25%) AWS Developer
5 2 (6.25%) IT Support
5 2 (6.25%) Java Architect
5 2 (6.25%) Java Developer
5 2 (6.25%) Java Engineer
5 2 (6.25%) Junior
5 2 (6.25%) Junior DevOps
5 2 (6.25%) Junior DevOps Engineer
5 2 (6.25%) Support Analyst
6 1 (3.13%) Applications Support Analyst
6 1 (3.13%) Java Solutions Architect
6 1 (3.13%) Operations Engineer
Libraries, Frameworks & Software Standards
1 17 (53.13%) RabbitMQ
2 7 (21.88%) Elastic Stack
3 6 (18.75%) Node.js
4 5 (15.63%) Web Services
5 4 (12.50%) Apache Camel
5 4 (12.50%) Kafka
5 4 (12.50%) REST
5 4 (12.50%) Spring
6 3 (9.38%) ActiveMQ
6 3 (9.38%) Spring Boot
7 2 (6.25%) GraphQL
7 2 (6.25%) PySpark
8 1 (3.13%) .NET
8 1 (3.13%) .NET Framework
8 1 (3.13%) J2EE
8 1 (3.13%) Play Framework
8 1 (3.13%) Ruby on Rails
8 1 (3.13%) Servlets
8 1 (3.13%) Spring Batch
8 1 (3.13%) XML
Miscellaneous
1 3 (9.38%) Analytical Skills
2 2 (6.25%) NHS
Operating Systems
1 9 (28.13%) Linux
1 9 (28.13%) Red Hat Enterprise Linux
2 7 (21.88%) CentOS
3 3 (9.38%) Unix
4 1 (3.13%) Android
4 1 (3.13%) Apple iOS
Processes & Methodologies
1 22 (68.75%) Agile Software Development
2 17 (53.13%) TDD
3 16 (50.00%) Continuous Integration
4 13 (40.63%) DevOps
4 13 (40.63%) Software Engineering
5 11 (34.38%) Microservices
6 7 (21.88%) Infrastructure Monitoring
7 5 (15.63%) Open Source
7 5 (15.63%) Scrum
8 4 (12.50%) BDD
8 4 (12.50%) Configuration Management
8 4 (12.50%) Kanban
8 4 (12.50%) Test Automation
9 3 (9.38%) Change Management
9 3 (9.38%) Deployment Automation
9 3 (9.38%) E-Commerce
9 3 (9.38%) Problem-Solving
9 3 (9.38%) System Testing
9 3 (9.38%) User Acceptance Testing
10 2 (6.25%) Continuous Delivery
Programming Languages
1 19 (59.38%) Python
2 16 (50.00%) SQL
3 15 (46.88%) Java
4 6 (18.75%) JavaScript
5 3 (9.38%) COBOL
6 2 (6.25%) C
6 2 (6.25%) Java 8
7 1 (3.13%) ES6
7 1 (3.13%) Ruby
7 1 (3.13%) Scala
Qualifications
1 3 (9.38%) BPSS Clearance
1 3 (9.38%) SC Cleared
1 3 (9.38%) Security Cleared
Quality Assurance & Compliance
1 1 (3.13%) PMO
System Software
1 10 (31.25%) Docker
2 1 (3.13%) VMware Infrastructure
2 1 (3.13%) Xen
Systems Management
1 12 (37.50%) Ansible
2 9 (28.13%) Puppet
3 8 (25.00%) Grafana
3 8 (25.00%) Terraform
4 7 (21.88%) Kubernetes
4 7 (21.88%) Packer
4 7 (21.88%) Prometheus
5 6 (18.75%) Rancher
6 3 (9.38%) Opscode Chef
7 1 (3.13%) Graylog
Vendors
1 6 (18.75%) Black Duck
2 4 (12.50%) Oracle
3 2 (6.25%) Red Hat
4 1 (3.13%) Google
4 1 (3.13%) Microsoft
4 1 (3.13%) VMware