The following table provides summary statistics for contract job vacancies advertised in 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 3 months to 27 June 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
England / London
3 months to
27 Jun 2017
Same period 2016 Same period 2015
Rank 344 355 365
Rank change year-on-year +11 +10  
Contract jobs citing Data Mining 80 72 69
As % of all contract IT jobs advertised in London 0.38% 0.33% 0.30%
As % of the Database & Business Intelligence category 1.62% 1.45% 1.25%
Number of daily rates quoted 49 56 40
Median daily rate £500 £500 £400
Median daily rate % change year-on-year - +25.00%  
90% offered a daily rate of more than £373 £300 £273
10% offered a daily rate of more than £610 £650 £600
UK excluding London median daily rate £413 £413 £375
% change year-on-year - +10.00%  
Number of hourly rates quoted 2 0 0
Median hourly rate £33.50 - -
UK excluding London median hourly rate £12.00 - -

Data Mining is in the database and business intelligence skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in London with a requirement for database and business intelligence skills.

Contract Database & Business Intelligence Skills
London
Contract job vacancies with a requirement for database and business intelligence skills 4934 4951 5508
As % of all contract IT job vacancies advertised in London 23.70% 22.73% 23.91%
Number of daily rates quoted 3585 3661 3854
Median daily rate £500 £475 £450
Median daily rate % change year-on-year +5.26% +5.55%  
90% offered a daily rate of more than £375 £338 £300
10% offered a daily rate of more than £625 £625 £600
UK excluding London median daily rate £400 £383 £350
% change year-on-year +4.57% +9.28%  
Number of hourly rates quoted 27 19 50
Median hourly rate £24.66 £35.00 £27.78
Median hourly rate % change year-on-year -29.54% +25.98%  
90% offered a hourly rate of more than £21.50 £16.08 £16.50
10% offered a hourly rate of more than £41.30 £127.00 £55.00
UK excluding London median hourly rate £38.00 £31.14 £26.00
% change year-on-year +22.04% +19.75%  

Data Mining
Job Vacancy Trend in London

The job posting trend of jobs advertised in London citing Data Mining as a proportion of all contract or permanent IT jobs with a match in the Database & Business Intelligence category.

Job vacancy trend for Data Mining in London

Data Mining
Contractor Daily Rate Trend in London

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

Contractor daily rate trend for Data Mining in London

Data Mining
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing Data Mining in London over the 3 months to 27 June 2017.

Contractor daily rate histogram for Data Mining in London

Data Mining
Contractor Hourly Rate Trend in London

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

Contractor hourly rate trend for Data Mining in London

Data Mining
Contractor Hourly Rate Histogram in London

The hourly rate distribution of IT jobs citing Data Mining in London over the 3 months to 27 June 2017.

Contractor hourly rate histogram for Data Mining in London

Data Mining
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Data Mining within the London region over the 3 months to 27 June 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
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
City of London -4 10 £550 +3.52% 4
Croydon - 1 - -
Hounslow - 1 - -
Data Mining
England

For the 6 months to 27 June 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 London region with a requirement for Data Mining.

1 74 (53.62%) SQL
2 60 (43.48%) Analytics
3 55 (39.86%) Python
4 54 (39.13%) R
5 44 (31.88%) Machine Learning
5 44 (31.88%) Big Data
6 43 (31.16%) Analytical Skills
7 41 (29.71%) Finance
8 34 (24.64%) ETL
9 32 (23.19%) Business Intelligence
9 32 (23.19%) Hadoop
10 31 (22.46%) Java
11 30 (21.74%) Tableau
12 26 (18.84%) Data Warehouse
12 26 (18.84%) Banking
12 26 (18.84%) Data Analysis
13 24 (17.39%) Visualisation
13 24 (17.39%) Apache Spark
14 23 (16.67%) MySQL
14 23 (16.67%) Microsoft Excel
15 22 (15.94%) Statistics
15 22 (15.94%) Degree
16 21 (15.22%) Oracle
16 21 (15.22%) Data Modelling
16 21 (15.22%) MongoDB
16 21 (15.22%) Apache Pig
17 20 (14.49%) Apache Hive
18 19 (13.77%) Data Quality
18 19 (13.77%) SAS
18 19 (13.77%) Mathematics

Data Mining
Co-occurring IT Skills in 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 24 (17.39%) Apache Spark
2 21 (15.22%) Apache Pig
3 19 (13.77%) SAS
4 4 (2.90%) SharePoint
5 3 (2.17%) Apache Solr
6 2 (1.45%) Adobe Experience Manager
6 2 (1.45%) Apache
6 2 (1.45%) Elasticsearch
6 2 (1.45%) JBoss
7 1 (0.72%) ArcGIS
7 1 (0.72%) Confluence
7 1 (0.72%) Oracle Spatial
Applications
1 23 (16.67%) Microsoft Excel
2 14 (10.14%) SPSS
3 6 (4.35%) Microsoft PowerPoint
4 5 (3.62%) Microsoft Office
4 5 (3.62%) MS Visio
4 5 (3.62%) Stata
5 3 (2.17%) Weka
6 2 (1.45%) EViews
Business Applications
1 4 (2.90%) FastStats
2 2 (1.45%) Data Workbench
2 2 (1.45%) Oracle Payables
3 1 (0.72%) HFM
3 1 (0.72%) Loan IQ
3 1 (0.72%) Markit EDM
3 1 (0.72%) RMDS
3 1 (0.72%) SAP Oil and Gas
Cloud Services
1 4 (2.90%) Amazon AWS
1 4 (2.90%) Google Analytics
1 4 (2.90%) Microsoft Azure
2 2 (1.45%) Adobe Analytics
2 2 (1.45%) PaaS
2 2 (1.45%) SmartFocus
3 1 (0.72%) Amazon EC2
3 1 (0.72%) Amazon S3
3 1 (0.72%) GitHub
3 1 (0.72%) Google Cloud Platform
3 1 (0.72%) Quay.io
3 1 (0.72%) Slack
3 1 (0.72%) Taleo
3 1 (0.72%) Trello
Communications & Networking
1 3 (2.17%) Internet
2 1 (0.72%) Broadband
2 1 (0.72%) FTP
Database & Business Intelligence
1 44 (31.88%) Big Data
2 32 (23.19%) Hadoop
3 26 (18.84%) Data Warehouse
4 23 (16.67%) MySQL
5 21 (15.22%) MongoDB
6 20 (14.49%) Apache Hive
7 17 (12.32%) NoSQL
8 15 (10.87%) Relational Database
9 12 (8.70%) Apache Cassandra
9 12 (8.70%) QlikView
9 12 (8.70%) SQL Server
10 11 (7.97%) HBase
10 11 (7.97%) Power BI
11 9 (6.52%) SQL Server Integration Services
11 9 (6.52%) SQL Server Reporting Services
12 5 (3.62%) CouchDB
13 4 (2.90%) BusinessObjects
13 4 (2.90%) Microsoft Analysis Services
13 4 (2.90%) SQL Server Analysis Services
14 3 (2.17%) Text Mining
Development Applications
1 6 (4.35%) Talend Open Studio
2 3 (2.17%) JIRA
3 1 (0.72%) CircleCI
3 1 (0.72%) Git (software)
3 1 (0.72%) PowerDesigner
General
1 41 (29.71%) Finance
2 26 (18.84%) Banking
3 11 (7.97%) Marketing
4 10 (7.25%) Investment Banking
5 9 (6.52%) Retail
6 4 (2.90%) Front Office
7 3 (2.17%) Telecoms
8 2 (1.45%) Back Office
8 2 (1.45%) Financial Institution
8 2 (1.45%) Legal
8 2 (1.45%) Local Government
8 2 (1.45%) Retail Banking
9 1 (0.72%) Advertising
9 1 (0.72%) Electronics
9 1 (0.72%) Games
9 1 (0.72%) General Ledger
9 1 (0.72%) Manufacturing
Job Titles
1 47 (34.06%) Analyst
2 31 (22.46%) Data Scientist
3 26 (18.84%) Data Analyst
4 21 (15.22%) Developer
5 10 (7.25%) Big Data Engineer
5 10 (7.25%) Business Analyst
5 10 (7.25%) Data Engineer
6 8 (5.80%) DevOps Engineer
6 8 (5.80%) Java Developer
7 7 (5.07%) SQL Analyst
7 7 (5.07%) Technical Analyst
8 6 (4.35%) Big Data Analyst
9 5 (3.62%) Architect
9 5 (3.62%) Banking Analyst
9 5 (3.62%) Big Data Developer
9 5 (3.62%) Business Intelligence Developer
9 5 (3.62%) Python Developer
9 5 (3.62%) Risk Analyst
9 5 (3.62%) Senior Analyst
9 5 (3.62%) SQL Data Analyst
Libraries, Frameworks & Software Standards
1 8 (5.80%) HTML
2 7 (5.07%) CSS
2 7 (5.07%) Kafka
2 7 (5.07%) Natural Language Processing
2 7 (5.07%) XML
3 5 (3.62%) .NET
3 5 (3.62%) D3.js
4 4 (2.90%) AngularJS
5 3 (2.17%) HTML5
5 3 (2.17%) Lucene
5 3 (2.17%) scikit-learn
5 3 (2.17%) Web Services
6 2 (1.45%) Backbone.js
6 2 (1.45%) CSS3
6 2 (1.45%) jQuery
6 2 (1.45%) JSON
6 2 (1.45%) NumPy
6 2 (1.45%) REST
6 2 (1.45%) SOAP
6 2 (1.45%) XHTML
Miscellaneous
1 43 (31.16%) Analytical Skills
2 18 (13.04%) Algorithms
3 12 (8.70%) Computer Science
4 9 (6.52%) Market Risk
5 8 (5.80%) Blog
6 7 (5.07%) Greenfield Project
7 6 (4.35%) Credit Risk
8 5 (3.62%) Foreign Exchange (FX)
9 4 (2.90%) Data Structures
9 4 (2.90%) Mobile App
9 4 (2.90%) Social Media
10 3 (2.17%) Derivative
10 3 (2.17%) Fixed Income
10 3 (2.17%) Management Information System
10 3 (2.17%) Robotics
11 2 (1.45%) CMDB
11 2 (1.45%) Digital Media
11 2 (1.45%) Enterprise Software
11 2 (1.45%) Online Banking
11 2 (1.45%) Replication
Operating Systems
1 13 (9.42%) Unix
2 11 (7.97%) Linux
3 8 (5.80%) Mac OS X
4 2 (1.45%) Android
4 2 (1.45%) Apple iOS
5 1 (0.72%) CentOS
5 1 (0.72%) Red Hat Enterprise Linux
Processes & Methodologies
1 60 (43.48%) Analytics
2 44 (31.88%) Machine Learning
3 34 (24.64%) ETL
4 32 (23.19%) Business Intelligence
5 26 (18.84%) Data Analysis
6 24 (17.39%) Visualisation
7 22 (15.94%) Statistics
8 21 (15.22%) Data Modelling
9 19 (13.77%) Mathematics
10 15 (10.87%) Agile Software Development
10 15 (10.87%) Data Management
11 13 (9.42%) Data Cleansing
12 12 (8.70%) Performance Tuning
12 12 (8.70%) Statistical Modelling
13 11 (7.97%) Mentoring
14 10 (7.25%) DevOps
15 9 (6.52%) Data Visualisation
15 9 (6.52%) Predictive Modelling
16 8 (5.80%) Dashboard Development
16 8 (5.80%) Line Management
Programming Languages
1 74 (53.62%) SQL
2 55 (39.86%) Python
3 54 (39.13%) R
4 31 (22.46%) Java
5 17 (12.32%) Scala
6 13 (9.42%) MATLAB
7 12 (8.70%) JavaScript
8 8 (5.80%) C++
9 6 (4.35%) VBA
10 5 (3.62%) C#
10 5 (3.62%) PL/SQL
11 4 (2.90%) C
11 4 (2.90%) Shell Script
12 3 (2.17%) PHP
12 3 (2.17%) T-SQL
13 2 (1.45%) ActionScript
13 2 (1.45%) Go
13 2 (1.45%) Perl
13 2 (1.45%) PowerShell
14 1 (0.72%) Bash Shell
Qualifications
1 22 (15.94%) Degree
2 10 (7.25%) PhD
2 10 (7.25%) SC Cleared
2 10 (7.25%) Security Cleared
3 8 (5.80%) Master's Degree
4 5 (3.62%) Computer Science Degree
5 1 (0.72%) CISSP
5 1 (0.72%) CTC Cleared
5 1 (0.72%) Postgraduate
Quality Assurance & Compliance
1 19 (13.77%) Data Quality
2 4 (2.90%) QA
3 3 (2.17%) MiFID
4 2 (1.45%) IFRS
4 2 (1.45%) IFRS 9
5 1 (0.72%) IAS 39
5 1 (0.72%) PMO
System Software
1 8 (5.80%) Apache Flume
2 3 (2.17%) HDFS
3 1 (0.72%) Docker
Systems Management
1 2 (1.45%) Oozie
2 1 (0.72%) Hadoop YARN
2 1 (0.72%) HP Quality Center
2 1 (0.72%) Kubernetes
2 1 (0.72%) SCCM
Vendors
1 30 (21.74%) Tableau
2 21 (15.22%) Oracle
3 11 (7.97%) Informatica
3 11 (7.97%) Microsoft
4 7 (5.07%) Teradata
5 6 (4.35%) Splunk
5 6 (4.35%) Talend
6 5 (3.62%) Google
6 5 (3.62%) IBM
7 4 (2.90%) Adobe
7 4 (2.90%) Cognos
7 4 (2.90%) SAP
8 3 (2.17%) Alteryx
9 2 (1.45%) Anaplan
9 2 (1.45%) Ariba
9 2 (1.45%) comScore
9 2 (1.45%) Maxymiser
9 2 (1.45%) MicroStrategy
9 2 (1.45%) Salesforce Marketing Cloud
9 2 (1.45%) Tealium
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