The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for Big Data Analytics skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Big Data Analytics over the 3 months to 29 April 2017 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.

Big Data Analytics
London / City of London
3 months to
29 Apr 2017
Same period 2016 Same period 2015
Rank 161 151 195
Rank change year-on-year -10 +44  
Contract jobs citing Big Data Analytics 5 5 3
As % of all contract IT jobs advertised in the City of London 0.15% 0.14% 0.055%
As % of the Processes & Methodologies category 0.18% 0.16% 0.067%
Number of daily rates quoted 4 4 3
Median daily rate £603 £550 £540
Median daily rate % change year-on-year +9.54% +1.85%  
90% offered a daily rate of more than £545 £498 £528
10% offered a daily rate of more than £640 £620 £544
UK excluding London median daily rate £450 £453 £350
% change year-on-year -0.55% +29.28%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - £19.61 £34.50
% change year-on-year - -43.15%  

Big Data Analytics is in the process and methodology skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in the City of London with a requirement for process and methodology skills.

Contract Process & Methodology Skills
City of London
Contract job vacancies with a requirement for process and methodology skills 2800 3035 4489
As % of all contract IT job vacancies advertised in the City of London 85.92% 86.94% 82.07%
Number of daily rates quoted 2137 2459 3489
Median daily rate £500 £475 £465
Median daily rate % change year-on-year +5.26% +2.15%  
90% offered a daily rate of more than £350 £325 £320
10% offered a daily rate of more than £625 £625 £613
UK excluding London median daily rate £415 £400 £390
% change year-on-year +3.75% +2.56%  
Number of hourly rates quoted 28 27 39
Median hourly rate £16.00 £19.00 £27.37
Median hourly rate % change year-on-year -15.78% -30.58%  
90% offered a hourly rate of more than £13.50 £16.75 £15.00
10% offered a hourly rate of more than £28.35 £44.00 £92.50
UK excluding London median hourly rate £37.00 £36.00 £30.50
% change year-on-year +2.77% +18.03%  

Big Data Analytics
Job Vacancy Trend in the City of London

The job posting trend of jobs advertised in the City of London citing Big Data Analytics as a proportion of all contract or permanent IT jobs with a match in the Processes & Methodologies category.

Job vacancy trend for Big Data Analytics in the City of London

Big Data Analytics
Contractor Daily Rate Trend in the City of London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Big Data Analytics in the City of London.

Contractor daily rate trend for Big Data Analytics in the City of London

Big Data Analytics
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing Big Data Analytics in the City of London over the 3 months to 29 April 2017.

Contractor daily rate histogram for Big Data Analytics in the City of London

For the 6 months to 29 April 2017, IT contractor jobs citing Big Data Analytics also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the City of London region with a requirement for Big Data Analytics.

1 7 (100.00%) Big Data
1 7 (100.00%) Data Analytics
1 7 (100.00%) Analytics
2 4 (57.14%) Finance
3 3 (42.86%) Java
3 3 (42.86%) IBM
3 3 (42.86%) Machine Learning
3 3 (42.86%) Apache Spark
3 3 (42.86%) Natural Language Processing
3 3 (42.86%) Hadoop
4 2 (28.57%) Bash Shell
4 2 (28.57%) Artificial Intelligence
4 2 (28.57%) Splunk
4 2 (28.57%) Regular Expression
4 2 (28.57%) MLlib
4 2 (28.57%) Mahout
4 2 (28.57%) Information Retrieval
4 2 (28.57%) Rsyslog
4 2 (28.57%) Analytical Skills
4 2 (28.57%) Unix
4 2 (28.57%) Windows
4 2 (28.57%) Solaris
4 2 (28.57%) Linux
4 2 (28.57%) Apache
4 2 (28.57%) Python
4 2 (28.57%) Use Case
4 2 (28.57%) Stakeholder Management
4 2 (28.57%) Linux Command Line
5 1 (14.29%) Data Strategy
5 1 (14.29%) UIMA

Big Data Analytics
Co-occurring IT Skills in the City of London 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 3 (42.86%) Apache Spark
2 2 (28.57%) Apache
3 1 (14.29%) Apache Solr
3 1 (14.29%) SAS
Applications
1 1 (14.29%) SPSS
Database & Business Intelligence
1 7 (100.00%) Big Data
2 3 (42.86%) Hadoop
3 2 (28.57%) Mahout
4 1 (14.29%) HBase
4 1 (14.29%) Impala
Development Applications
1 1 (14.29%) Atlassian Bamboo
1 1 (14.29%) Git (software)
1 1 (14.29%) Gradle
1 1 (14.29%) Jenkins
General
1 4 (57.14%) Finance
2 1 (14.29%) Advertising
2 1 (14.29%) Marketing
2 1 (14.29%) Retail
Job Titles
1 3 (42.86%) Architect
1 3 (42.86%) Lead Architect
2 2 (28.57%) Developer
3 1 (14.29%) Apache Spark Developer
3 1 (14.29%) Consultant
3 1 (14.29%) Digital Director
3 1 (14.29%) Hadoop Developer
3 1 (14.29%) Java Developer
3 1 (14.29%) Java Hadoop Developer
3 1 (14.29%) Java Scala Developer
3 1 (14.29%) Scala Developer
3 1 (14.29%) Splunk Consultant
Libraries, Frameworks & Software Standards
1 3 (42.86%) Natural Language Processing
2 2 (28.57%) MLlib
2 2 (28.57%) Regular Expression
3 1 (14.29%) AngularJS
3 1 (14.29%) HTML
3 1 (14.29%) HTML5
3 1 (14.29%) Java SE
3 1 (14.29%) jQuery
3 1 (14.29%) UIMA
3 1 (14.29%) Web Services
Miscellaneous
1 2 (28.57%) Analytical Skills
1 2 (28.57%) Linux Command Line
2 1 (14.29%) Enterprise Software
2 1 (14.29%) Management Information System
Operating Systems
1 2 (28.57%) Linux
1 2 (28.57%) Solaris
1 2 (28.57%) Unix
1 2 (28.57%) Windows
Processes & Methodologies
1 7 (100.00%) Analytics
1 7 (100.00%) Data Analytics
2 3 (42.86%) Machine Learning
3 2 (28.57%) Artificial Intelligence
3 2 (28.57%) Information Retrieval
3 2 (28.57%) Stakeholder Management
3 2 (28.57%) Use Case
4 1 (14.29%) Agile Software Development
4 1 (14.29%) B2B
4 1 (14.29%) Content Management
4 1 (14.29%) CRM
4 1 (14.29%) Data Strategy
4 1 (14.29%) Digital Marketing
4 1 (14.29%) Information Management
4 1 (14.29%) Ontologies
4 1 (14.29%) OOP
4 1 (14.29%) Operations Management
4 1 (14.29%) RDF
4 1 (14.29%) Software Engineering
4 1 (14.29%) Unit Testing
Programming Languages
1 3 (42.86%) Java
2 2 (28.57%) Bash Shell
2 2 (28.57%) Python
3 1 (14.29%) MATLAB
3 1 (14.29%) R
3 1 (14.29%) Scala
3 1 (14.29%) SPARQL
Systems Management
1 2 (28.57%) Rsyslog
2 1 (14.29%) Oozie
Vendors
1 3 (42.86%) IBM
2 2 (28.57%) Splunk