Period
to 18 November 2017

The following table provides summary statistics for permanent job vacancies advertised in Hertfordshire with a requirement for Apache Cassandra skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Apache Cassandra over the 6 months to 18 November 2017 with a comparison to the same period in the previous 2 years.

Apache Cassandra
East of England > Hertfordshire
6 months to
18 Nov 2017
Same period 2016 Same period 2015
Rank 189 176 184
Rank change year-on-year -13 +8 -3
Permanent jobs citing Apache Cassandra 27 42 61
As % of all permanent IT jobs advertised in Hertfordshire 0.62% 0.94% 1.13%
As % of the Database & Business Intelligence category 2.15% 3.54% 3.87%
Number of salaries quoted 23 40 61
Hertfordshire median annual salary £60,000 £55,000 £55,000
Median salary % change year-on-year +9.09% - +10.00%
10th Percentile £57,500 £31,000 £36,750
90th Percentile £72,500 £72,500 £70,000
East of England median annual salary £60,000 £55,000 £52,500
% change year-on-year +9.09% +4.76% +5.00%

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 permanent job vacancies advertised in Hertfordshire with a requirement for database or business intelligence skills.

All Database and Business Intelligence Skills
Hertfordshire
Permanent vacancies with a requirement for database or business intelligence skills 1254 1187 1577
As % of all permanent IT jobs advertised in Hertfordshire 28.75% 26.55% 29.23%
Number of salaries quoted 1095 1002 1349
Hertfordshire median annual salary £47,500 £50,000 £45,000
Median salary % change year-on-year -5.00% +11.11% -
10th Percentile £31,550 £29,525 £26,500
90th Percentile £68,750 £70,000 £68,750
East of England median annual salary £45,000 £45,000 £45,000

Apache Cassandra
Job Vacancy Trend in Hertfordshire

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

Job vacancy trend for Apache Cassandra in Hertfordshire

Apache Cassandra
Salary Trend in Hertfordshire

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Apache Cassandra in Hertfordshire.

Salary trend for Apache Cassandra in Hertfordshire

Apache Cassandra
Salary Histogram in Hertfordshire

The salary distribution of IT jobs citing Apache Cassandra in Hertfordshire over the 6 months to 18 November 2017.

Salary histogram for Apache Cassandra in Hertfordshire

Apache Cassandra
Job Locations in Hertfordshire

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Apache Cassandra within the Hertfordshire region over the 6 months to 18 November 2017. 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Hatfield +11 13 £60,000 +14.29% 3
St Albans -2 10 £67,500 +58.82%
Potters Bar 0 4 £70,000 -
Apache Cassandra
East of England

For the 6 months to 18 November 2017, IT 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 job ads across the Hertfordshire region with a requirement for Apache Cassandra.

1 27 (100.00%) Agile Software Development
2 25 (92.59%) NoSQL
3 19 (70.37%) Java
3 19 (70.37%) Python
4 13 (48.15%) Scala
5 12 (44.44%) Open Source
5 12 (44.44%) PostgreSQL
5 12 (44.44%) Kubernetes
6 10 (37.04%) High Availability
6 10 (37.04%) Mentoring
6 10 (37.04%) Scrum
7 9 (33.33%) Low Latency
8 7 (25.93%) MongoDB
8 7 (25.93%) Analytical Skills
8 7 (25.93%) Apache Spark
8 7 (25.93%) BigQuery
8 7 (25.93%) Google Cloud Platform
8 7 (25.93%) Tableau
8 7 (25.93%) HBase
8 7 (25.93%) Big Data
8 7 (25.93%) Analytics
8 7 (25.93%) Sqoop
8 7 (25.93%) Data Engineering
8 7 (25.93%) Power BI
8 7 (25.93%) SAS EBI
8 7 (25.93%) Prototyping
8 7 (25.93%) SAS
8 7 (25.93%) Migration
8 7 (25.93%) Data Warehouse
8 7 (25.93%) Business Intelligence

Apache Cassandra
Co-occurring IT Skills in Hertfordshire 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 7 (25.93%) Apache Spark
1 7 (25.93%) SAS
2 6 (22.22%) Cloud Foundry
2 6 (22.22%) OpenStack
3 2 (7.41%) Tomcat
Cloud Services
1 7 (25.93%) Google Cloud Platform
Communications & Networking
1 6 (22.22%) Broadband
1 6 (22.22%) Wi-Fi
Database & Business Intelligence
1 25 (92.59%) NoSQL
2 12 (44.44%) PostgreSQL
3 7 (25.93%) Big Data
3 7 (25.93%) BigQuery
3 7 (25.93%) Data Warehouse
3 7 (25.93%) Hadoop
3 7 (25.93%) HBase
3 7 (25.93%) MongoDB
3 7 (25.93%) Power BI
3 7 (25.93%) QlikView
3 7 (25.93%) SAS EBI
3 7 (25.93%) Sqoop
4 6 (22.22%) DataStax
Development Applications
1 6 (22.22%) Jenkins
2 2 (7.41%) NUnit
2 2 (7.41%) TeamCity
General
1 7 (25.93%) Retail
2 6 (22.22%) Publishing
Job Titles
1 7 (25.93%) Big Data Engineer
1 7 (25.93%) Data Engineer
2 6 (22.22%) DevOps Engineer
2 6 (22.22%) Software Engineer
3 5 (18.52%) Senior DevOps
3 5 (18.52%) Senior DevOps Engineer
4 4 (14.81%) Development Team Leader
4 4 (14.81%) Java Development Team Leader
4 4 (14.81%) Java Team Leader
4 4 (14.81%) Team Leader
5 2 (7.41%) .NET Developer
5 2 (7.41%) Developer
6 1 (3.70%) .NET Web Developer
6 1 (3.70%) ASP.NET Developer
6 1 (3.70%) ASP.NET MVC Developer
6 1 (3.70%) C# .NET Developer
6 1 (3.70%) C# ASP.NET Developer
6 1 (3.70%) C# Developer
6 1 (3.70%) Web Developer
Libraries, Frameworks & Software Standards
1 6 (22.22%) Akka
1 6 (22.22%) AngularJS
1 6 (22.22%) Memcached
2 4 (14.81%) RESTful
2 4 (14.81%) Web Services
3 2 (7.41%) .NET
3 2 (7.41%) Ajax
3 2 (7.41%) ASP.NET Web API
3 2 (7.41%) CSS
3 2 (7.41%) CSS3
3 2 (7.41%) Hibernate
3 2 (7.41%) HTML
3 2 (7.41%) HTML5
3 2 (7.41%) jQuery
3 2 (7.41%) Kafka
3 2 (7.41%) RabbitMQ
3 2 (7.41%) SignalR
3 2 (7.41%) Spring
3 2 (7.41%) WCF
3 2 (7.41%) WebSockets
Miscellaneous
1 7 (25.93%) Analytical Skills
2 6 (22.22%) Data Centre
2 6 (22.22%) Private Cloud
2 6 (22.22%) Public Cloud
3 4 (14.81%) Greenfield Project
4 2 (7.41%) Computer Science
Operating Systems
1 6 (22.22%) Linux
Processes & Methodologies
1 27 (100.00%) Agile Software Development
2 12 (44.44%) Open Source
3 10 (37.04%) High Availability
3 10 (37.04%) Mentoring
3 10 (37.04%) Scrum
4 9 (33.33%) Low Latency
5 7 (25.93%) Analytics
5 7 (25.93%) Business Intelligence
5 7 (25.93%) Data Engineering
5 7 (25.93%) Data Integration
5 7 (25.93%) Migration
5 7 (25.93%) Prototyping
6 6 (22.22%) B2B
6 6 (22.22%) Configuration Management
6 6 (22.22%) Continuous Deployment
6 6 (22.22%) Continuous Integration
6 6 (22.22%) Data Security
6 6 (22.22%) Service Delivery
6 6 (22.22%) Software Engineering
6 6 (22.22%) Test Automation
Programming Languages
1 19 (70.37%) Java
1 19 (70.37%) Python
2 13 (48.15%) Scala
3 6 (22.22%) Go
3 6 (22.22%) Ruby
3 6 (22.22%) SQL
4 2 (7.41%) JavaScript
5 1 (3.70%) C#
5 1 (3.70%) TypeScript
Qualifications
1 2 (7.41%) Computer Science Degree
1 2 (7.41%) Degree
System Software
1 6 (22.22%) Docker
1 6 (22.22%) VMware ESXi
1 6 (22.22%) vSphere
Systems Management
1 12 (44.44%) Kubernetes
2 6 (22.22%) Grafana
2 6 (22.22%) OpenNMS
2 6 (22.22%) Opscode Chef
2 6 (22.22%) Prometheus
Vendors
1 7 (25.93%) Google
1 7 (25.93%) Tableau
2 6 (22.22%) New Relic
2 6 (22.22%) VMware