Period
to 9 December 2018

The following table provides summary statistics for contract job vacancies advertised in Sheffield 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 9 December 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
South Yorkshire > Sheffield
6 months to
9 Dec 2018
Same period 2017 Same period 2016
Rank 62 63 79
Rank change year-on-year +1 +16 -8
Contract jobs citing Apache Cassandra 4 4 1
As % of all contract IT jobs advertised in Sheffield 0.63% 0.57% 0.10%
As % of the Database & Business Intelligence category 3.20% 2.86% 0.39%
Number of daily rates quoted 4 13 1
Sheffield median daily rate £408 £640 £413
Median daily rate % change year-on-year -36.33% +55.15% -21.43%
10th Percentile £375 £528 £406
90th Percentile £539 £645 £419
South Yorkshire median daily rate £408 £640 £413
% change year-on-year -36.33% +55.15% -21.43%
Number of hourly rates quoted 0 0 0
Sheffield median hourly rate - - -
South 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 Sheffield with a requirement for database or business intelligence skills.

All Database and Business Intelligence Skills
Sheffield
Contract vacancies with a requirement for database or business intelligence skills 125 140 254
As % of all contract IT jobs advertised in Sheffield 19.69% 19.86% 26.38%
Number of daily rates quoted 89 86 193
Sheffield median daily rate £424 £425 £425
Median daily rate % change year-on-year -0.24% - +6.25%
10th Percentile £256 £325 £301
90th Percentile £590 £645 £575
South Yorkshire median daily rate £418 £425 £400
% change year-on-year -1.76% +6.25% +6.67%
Number of hourly rates quoted 1 2 1
Sheffield median hourly rate £70.00 £28.00 £50.00
Median hourly rate % change year-on-year +150.00% -44.00% +316.67%
South Yorkshire median hourly rate £70.00 £28.00 £31.00
% change year-on-year +150.00% -9.68% +101.43%

Apache Cassandra
Job Vacancy Trend in Sheffield

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

Job vacancy trend for Apache Cassandra in Sheffield

Apache Cassandra
Contractor Daily Rate Trend in Sheffield

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

Contractor daily rate trend for Apache Cassandra in Sheffield

Apache Cassandra
Contractor Daily Rate Histogram in Sheffield

The daily rate distribution of IT jobs citing Apache Cassandra in Sheffield over the 6 months to 9 December 2018.

Contractor daily rate histogram for Apache Cassandra in Sheffield

For the 6 months to 9 December 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 Sheffield region with a requirement for Apache Cassandra.

1 4 (100.00%) MongoDB
1 4 (100.00%) Kafka
2 3 (75.00%) Docker
2 3 (75.00%) Java
2 3 (75.00%) Spring
2 3 (75.00%) Software Engineering
2 3 (75.00%) Spring Boot
2 3 (75.00%) Agile Software Development
2 3 (75.00%) Java 8
3 1 (25.00%) Naive Bayes
3 1 (25.00%) Support Vector Machines
3 1 (25.00%) Banking
3 1 (25.00%) Dashboard Development
3 1 (25.00%) Convolutional Neural Network
3 1 (25.00%) Prototyping
3 1 (25.00%) Data Ingestion
3 1 (25.00%) Virtual Team
3 1 (25.00%) Complexity Analysis
3 1 (25.00%) Random Forest
3 1 (25.00%) Regulatory Compliance
3 1 (25.00%) Sentiment Analysis
3 1 (25.00%) Gradient Boosting
3 1 (25.00%) Data Science
3 1 (25.00%) Statistics
3 1 (25.00%) Predictive Analytics
3 1 (25.00%) Mathematics
3 1 (25.00%) Applied Mathematics
3 1 (25.00%) QA
3 1 (25.00%) Hadoop
3 1 (25.00%) Visualisation

Apache Cassandra
Co-occurring IT Skills in Sheffield 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:

Database & Business Intelligence
1 4 (100.00%) MongoDB
2 1 (25.00%) Big Data
2 1 (25.00%) Hadoop
2 1 (25.00%) HBase
2 1 (25.00%) NoSQL
2 1 (25.00%) Sqoop
General
1 1 (25.00%) Banking
1 1 (25.00%) Finance
Job Titles
1 3 (75.00%) Developer
1 3 (75.00%) Java Developer
2 1 (25.00%) Data Scientist
Libraries, Frameworks & Software Standards
1 4 (100.00%) Kafka
2 3 (75.00%) Spring
2 3 (75.00%) Spring Boot
3 1 (25.00%) Natural Language Processing
Miscellaneous
1 1 (25.00%) Algorithms
1 1 (25.00%) Analytical Skills
1 1 (25.00%) Virtual Team
Processes & Methodologies
1 3 (75.00%) Agile Software Development
1 3 (75.00%) Software Engineering
2 1 (25.00%) Analytics
2 1 (25.00%) Applied Mathematics
2 1 (25.00%) Complexity Analysis
2 1 (25.00%) Convolutional Neural Network
2 1 (25.00%) Dashboard Development
2 1 (25.00%) Data Ingestion
2 1 (25.00%) Linear Regression
2 1 (25.00%) Machine Learning
2 1 (25.00%) Mathematics
2 1 (25.00%) Mentoring
2 1 (25.00%) Predictive Analytics
2 1 (25.00%) Predictive Modelling
2 1 (25.00%) Prototyping
2 1 (25.00%) Random Forest
2 1 (25.00%) Regulatory Compliance
2 1 (25.00%) Statistics
2 1 (25.00%) Trend Analysis
2 1 (25.00%) Visualisation
Programming Languages
1 3 (75.00%) Java
1 3 (75.00%) Java 8
2 1 (25.00%) MATLAB
2 1 (25.00%) Python
2 1 (25.00%) R
Qualifications
1 1 (25.00%) PhD
Quality Assurance & Compliance
1 1 (25.00%) Data Quality
1 1 (25.00%) QA
System Software
1 3 (75.00%) Docker
2 1 (25.00%) Apache Flume
Vendors
1 1 (25.00%) Hortonworks