The following table provides summary statistics for permanent job vacancies with a requirement for Cascalog skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Cascalog over the 3 months to 30 March 2017 with a comparison to the same period in the previous 2 years.

Cascalog
UK
3 months to
30 Mar 2017
Same period 2016 Same period 2015
Rank 848 933 942
Rank change year-on-year +85 +9  
Permanent jobs citing Cascalog 4 17 27
As % of all permanent IT jobs advertised in the UK 0.005% 0.016% 0.025%
As % of the Libraries, Frameworks & Software Standards category 0.012% 0.042% 0.066%
Number of salaries quoted 4 13 16
Median salary £105,000 £85,000 £76,250
Median salary % change year-on-year +23.52% +11.47%  
90% offered a salary of more than £77,500 £52,500 £53,750
10% offered a salary of more than £115,000 £113,000 £95,000
UK excluding London median salary - - -

Cascalog is in the industry standards, technical specifications and software library and framework skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies with a requirement for industry standards, technical specifications and software library and framework skills.

Software Library & Framework Skills
UK
Permanent job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 34444 40113 40673
As % of all permanent IT job vacancies advertised in the UK 40.29% 38.36% 37.78%
Number of salaries quoted 29393 34564 34560
Median salary £45,000 £45,000 £44,500
Median salary % change year-on-year - +1.12%  
90% offered a salary of more than £31,500 £30,500 £30,000
10% offered a salary of more than £70,000 £65,000 £67,500
UK excluding London median salary £40,000 £42,500 £40,000
% change year-on-year -5.88% +6.25%  

Cascalog
Job Vacancy Trend

The job posting trend of jobs advertised citing Cascalog as a proportion of all permanent or contract IT jobs with a match in the Libraries, Frameworks & Software Standards category.

Job vacancy trend for Cascalog in the UK

Cascalog
Salary Trend

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

Salary trend for Cascalog in the UK

Cascalog
Salary Histogram

The salary distribution of IT jobs citing Cascalog over the 3 months to 30 March 2017.

Salary histogram for Cascalog in the UK

Cascalog
Top 2 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Cascalog within the UK over the 3 months to 30 March 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Last 3 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
England +65 4 £105,000 +23.52%
London +53 4 £105,000 +23.52%

For the 6 months to 30 March 2017, IT jobs citing Cascalog also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads with a requirement for Cascalog.

1 5 (100.00%) Python
1 5 (100.00%) PostgreSQL
1 5 (100.00%) SQL
1 5 (100.00%) VBA
1 5 (100.00%) Data Analysis
1 5 (100.00%) Unit Testing
1 5 (100.00%) Continuous Integration
1 5 (100.00%) Git (software)
1 5 (100.00%) Hadoop
1 5 (100.00%) Visualisation
1 5 (100.00%) Amazon EC2
1 5 (100.00%) Amazon S3
1 5 (100.00%) Amazon AWS
1 5 (100.00%) Open Source
1 5 (100.00%) Bash Shell
1 5 (100.00%) Clojure
1 5 (100.00%) SciPy
1 5 (100.00%) Apache Hive
1 5 (100.00%) MongoDB
1 5 (100.00%) VirtualBox
1 5 (100.00%) R
1 5 (100.00%) Data Visualisation
1 5 (100.00%) Natural Language Processing
1 5 (100.00%) Neo4j
1 5 (100.00%) D3.js
1 5 (100.00%) Mahout
1 5 (100.00%) Big Data
1 5 (100.00%) Data Analytics
1 5 (100.00%) Vagrant
1 5 (100.00%) Yeoman

Cascalog
Co-occurring IT Skills 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 5 (100.00%) Apache Pig
2 3 (60.00%) Apache
2 3 (60.00%) Apache Spark
Cloud Services
1 5 (100.00%) Amazon AWS
1 5 (100.00%) Amazon EC2
1 5 (100.00%) Amazon EMR
1 5 (100.00%) Amazon S3
Database & Business Intelligence
1 5 (100.00%) Apache Hive
1 5 (100.00%) Big Data
1 5 (100.00%) Hadoop
1 5 (100.00%) Impala
1 5 (100.00%) Mahout
1 5 (100.00%) MongoDB
1 5 (100.00%) Neo4j
1 5 (100.00%) PostgreSQL
2 3 (60.00%) Data Mining
Development Applications
1 5 (100.00%) Git (software)
1 5 (100.00%) Jenkins
1 5 (100.00%) Vagrant
1 5 (100.00%) Yeoman
General
1 3 (60.00%) Banking
1 3 (60.00%) Finance
1 3 (60.00%) Manufacturing
1 3 (60.00%) Retail
1 3 (60.00%) Telecoms
Job Titles
1 5 (100.00%) Data Scientist
2 3 (60.00%) Analytics Consultant
2 3 (60.00%) Analytics Manager
2 3 (60.00%) Consultant
2 3 (60.00%) Data Analytics Consultant
2 3 (60.00%) Data Analytics Manager
2 3 (60.00%) Data Consultant
2 3 (60.00%) Data Manager
2 3 (60.00%) Senior Analytics Manager
2 3 (60.00%) Senior Consultant
2 3 (60.00%) Senior Data Scientist
2 3 (60.00%) Senior Manager
Libraries, Frameworks & Software Standards
1 5 (100.00%) D3.js
1 5 (100.00%) Natural Language Processing
1 5 (100.00%) Pandas
1 5 (100.00%) scikit-learn
1 5 (100.00%) SciPy
Miscellaneous
1 5 (100.00%) Analytical Skills
2 4 (80.00%) Computer Science
Processes & Methodologies
1 5 (100.00%) Analytics
1 5 (100.00%) Computer Vision
1 5 (100.00%) Continuous Integration
1 5 (100.00%) Data Analysis
1 5 (100.00%) Data Analytics
1 5 (100.00%) Data Munging
1 5 (100.00%) Data Visualisation
1 5 (100.00%) Open Source
1 5 (100.00%) Sentiment Analysis
1 5 (100.00%) Statistical Analysis
1 5 (100.00%) Time Series Analysis
1 5 (100.00%) Unit Testing
1 5 (100.00%) Visualisation
2 4 (80.00%) Machine Learning
2 4 (80.00%) Operations Research
3 3 (60.00%) Bioinformatics
3 3 (60.00%) User Stories
4 1 (20.00%) Economics
4 1 (20.00%) Prototyping
4 1 (20.00%) Statistics
Programming Languages
1 5 (100.00%) Bash Shell
1 5 (100.00%) Clojure
1 5 (100.00%) Cypher
1 5 (100.00%) Python
1 5 (100.00%) R
1 5 (100.00%) SQL
1 5 (100.00%) VBA
Qualifications
1 4 (80.00%) PhD
2 1 (20.00%) Degree
System Software
1 5 (100.00%) Virtual Machines
1 5 (100.00%) VirtualBox
Vendors
1 3 (60.00%) IBM