Period
to 19 November 2017

The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for Data Mining skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Data Mining over the 6 months to 19 November 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.

Data Mining
Central London > City of London
6 months to
19 Nov 2017
Same period 2016 Same period 2015
Rank 219 220 241
Rank change year-on-year +1 +21 +15
Contract jobs citing Data Mining 21 33 30
As % of all contract IT jobs advertised in the City of London 0.30% 0.50% 0.33%
As % of the Database & Business Intelligence category 1.23% 1.90% 1.26%
Number of daily rates quoted 18 25 23
City of London median daily rate £725 £450 £438
Median daily rate % change year-on-year +61.11% +2.86% +0.57%
10th Percentile £309 £219 £273
90th Percentile £738 £625 £568
Central London median daily rate £688 £450 £438
% change year-on-year +52.78% +2.86% +2.94%
Number of hourly rates quoted 2 0 0
City of London median hourly rate £30.50 - -
Central London median hourly rate £30.50 - -

Data Mining 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 the City of London with a requirement for database or business intelligence skills.

All Database and Business Intelligence Skills
City of London
Contract vacancies with a requirement for database or business intelligence skills 1714 1736 2389
As % of all contract IT jobs advertised in the City of London 24.40% 26.10% 26.01%
Number of daily rates quoted 1391 1382 1915
City of London median daily rate £525 £475 £463
Median daily rate % change year-on-year +10.53% +2.70% +6.32%
10th Percentile £363 £325 £313
90th Percentile £688 £675 £638
Central London median daily rate £525 £475 £450
% change year-on-year +10.53% +5.56% +5.88%
Number of hourly rates quoted 11 1 9
City of London median hourly rate £27.50 £45.00 £25.00
Median hourly rate % change year-on-year -38.89% +80.00% -18.88%
10th Percentile £20.75 £42.50 £16.25
90th Percentile £33.25 £47.50 £70.75
Central London median hourly rate £25.99 £45.00 £21.98
% change year-on-year -42.24% +104.78% -25.46%

Data Mining
Job Vacancy Trend in the City of London

Job postings citing Data Mining as a percentage of all IT jobs advertised in the City of London.

Job vacancy trend for Data Mining in the City of London

Data Mining
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 Data Mining in the City of London.

Contractor daily rate trend for Data Mining in the City of London

Data Mining
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing Data Mining in the City of London over the 6 months to 19 November 2017.

Contractor daily rate histogram for Data Mining in the City of London

Data Mining
Contractor Hourly Rate Trend in the City of London

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing Data Mining in the City of London.

Contractor hourly rate trend for Data Mining in the City of London

For the 6 months to 19 November 2017, IT contractor jobs citing Data Mining 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 Data Mining.

1 14 (66.67%) Python
2 13 (61.90%) Finance
3 12 (57.14%) Agile Software Development
3 12 (57.14%) Machine Learning
3 12 (57.14%) Analytical Skills
4 11 (52.38%) Banking
5 10 (47.62%) Front Office
5 10 (47.62%) Investment Banking
5 10 (47.62%) Robotics
6 5 (23.81%) Analytics
6 5 (23.81%) SQL
7 4 (19.05%) Unix
8 3 (14.29%) Linux
8 3 (14.29%) Microsoft Excel
8 3 (14.29%) ETL
8 3 (14.29%) DevOps
8 3 (14.29%) Marketing
8 3 (14.29%) Visualisation
8 3 (14.29%) Big Data
9 2 (9.52%) Natural Language Processing
9 2 (9.52%) Tableau
9 2 (9.52%) Social Media
9 2 (9.52%) SciPy
9 2 (9.52%) NumPy
9 2 (9.52%) Weka
9 2 (9.52%) Matplotlib
9 2 (9.52%) Degree
9 2 (9.52%) Bash Shell
9 2 (9.52%) Data Cleansing
9 2 (9.52%) SC Cleared

Data Mining
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 2 (9.52%) Apache Spark
1 2 (9.52%) OpenStack
2 1 (4.76%) JBoss
Applications
1 3 (14.29%) Microsoft Excel
2 2 (9.52%) SPSS
2 2 (9.52%) Weka
Business Applications
1 1 (4.76%) Oracle EBS
1 1 (4.76%) Oracle ERP
1 1 (4.76%) Oracle Financials
1 1 (4.76%) Oracle Payables
1 1 (4.76%) PeopleSoft Financials
1 1 (4.76%) WebTrends
Cloud Services
1 1 (4.76%) Google Analytics
1 1 (4.76%) Google Cloud Platform
1 1 (4.76%) Google Tag Manager
1 1 (4.76%) PaaS
Communications & Networking
1 1 (4.76%) HTTPS
1 1 (4.76%) Internet
Database & Business Intelligence
1 3 (14.29%) Big Data
2 2 (9.52%) KNIME
2 2 (9.52%) MySQL
2 2 (9.52%) STATISTICA
3 1 (4.76%) Apache Cassandra
3 1 (4.76%) BigQuery
3 1 (4.76%) Data Warehouse
3 1 (4.76%) MongoDB
3 1 (4.76%) NoSQL
3 1 (4.76%) Power BI
3 1 (4.76%) Relational Database
3 1 (4.76%) SQL Server
General
1 13 (61.90%) Finance
2 11 (52.38%) Banking
3 10 (47.62%) Front Office
3 10 (47.62%) Investment Banking
4 3 (14.29%) Marketing
5 1 (4.76%) General Ledger
Job Titles
1 11 (52.38%) Developer
2 10 (47.62%) Machine Learning Developer
2 10 (47.62%) Python Developer
3 2 (9.52%) Account Manager
3 2 (9.52%) Analyst
3 2 (9.52%) Data Scientist
3 2 (9.52%) DevOps Engineer
4 1 (4.76%) Business Intelligence Manager
4 1 (4.76%) Business Manager
4 1 (4.76%) Business Project Manager
4 1 (4.76%) Consultant
4 1 (4.76%) Data Analyst
4 1 (4.76%) E-Commerce Analyst
4 1 (4.76%) Operations Engineer
4 1 (4.76%) Oracle Consultant
4 1 (4.76%) Project Manager
4 1 (4.76%) Senior Developer
4 1 (4.76%) Senior Web Developer
4 1 (4.76%) Test Consultant
4 1 (4.76%) Web Developer
Libraries, Frameworks & Software Standards
1 2 (9.52%) ggplot
1 2 (9.52%) Lucene
1 2 (9.52%) Matplotlib
1 2 (9.52%) Natural Language Processing
1 2 (9.52%) NumPy
1 2 (9.52%) Pandas
1 2 (9.52%) scikit-learn
1 2 (9.52%) SciPy
2 1 (4.76%) AngularJS
2 1 (4.76%) CSS
2 1 (4.76%) HTML
2 1 (4.76%) HTML5
2 1 (4.76%) Java EE
2 1 (4.76%) JDBC
2 1 (4.76%) JSON
2 1 (4.76%) Oracle Fusion
2 1 (4.76%) REST
2 1 (4.76%) Servlets
2 1 (4.76%) SOAP
2 1 (4.76%) XML
Miscellaneous
1 12 (57.14%) Analytical Skills
2 10 (47.62%) Robotics
3 2 (9.52%) Blog
3 2 (9.52%) Computer Science
3 2 (9.52%) Social Media
4 1 (4.76%) FMCG
4 1 (4.76%) Mobile App
Operating Systems
1 4 (19.05%) Unix
2 3 (14.29%) Linux
3 2 (9.52%) Mac OS X
4 1 (4.76%) Android
4 1 (4.76%) Apple iOS
Processes & Methodologies
1 12 (57.14%) Agile Software Development
1 12 (57.14%) Machine Learning
2 5 (23.81%) Analytics
3 3 (14.29%) DevOps
3 3 (14.29%) ETL
3 3 (14.29%) Visualisation
4 2 (9.52%) Configuration Management
4 2 (9.52%) Data Analysis
4 2 (9.52%) Data Cleansing
4 2 (9.52%) Data Munging
4 2 (9.52%) Information Retrieval
4 2 (9.52%) Line Management
4 2 (9.52%) Mathematics
4 2 (9.52%) Mentoring
4 2 (9.52%) Statistics
4 2 (9.52%) Use Case
5 1 (4.76%) ETL Development
5 1 (4.76%) Mobile Development
5 1 (4.76%) System Integration Testing
5 1 (4.76%) Tag Management
Programming Languages
1 14 (66.67%) Python
2 5 (23.81%) SQL
3 2 (9.52%) AWK
3 2 (9.52%) Bash Shell
3 2 (9.52%) JavaScript
3 2 (9.52%) sed
4 1 (4.76%) Java
4 1 (4.76%) Objective-C
4 1 (4.76%) R
4 1 (4.76%) VBA
Qualifications
1 2 (9.52%) Degree
1 2 (9.52%) Master's Degree
1 2 (9.52%) SC Cleared
1 2 (9.52%) Security Cleared
2 1 (4.76%) ISEB
2 1 (4.76%) ISTQB
2 1 (4.76%) Numerate Degree
Systems Management
1 1 (4.76%) HP Quality Center
Vendors
1 2 (9.52%) Oracle
1 2 (9.52%) Tableau
2 1 (4.76%) Ensighten
2 1 (4.76%) Google
2 1 (4.76%) HP
2 1 (4.76%) Microsoft
2 1 (4.76%) PeopleSoft