Period
to 16 December 2018

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 6 months to 16 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.

Data Mining
England > London
6 months to
16 Dec 2018
Same period 2017 Same period 2016
Rank 499 503 446
Rank change year-on-year +4 -57 +7
Contract jobs citing Data Mining 132 143 172
As % of all contract IT jobs advertised in London 0.28% 0.30% 0.39%
As % of the Database & Business Intelligence category 1.16% 1.28% 1.64%
Number of daily rates quoted 74 103 125
London median daily rate £500 £500 £425
Median daily rate % change year-on-year - +17.65% -10.53%
10th Percentile £311 £275 £231
90th Percentile £738 £738 £583
England median daily rate £425 £450 £400
% change year-on-year -5.56% +12.50% -5.88%
Number of hourly rates quoted 0 3 1
London median hourly rate - £30.50 £27.50
Median hourly rate % change year-on-year - +10.91% -
England median hourly rate £42.50 £30.50 £21.88
% change year-on-year +39.34% +39.38% +12.22%

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 London with a requirement for database or business intelligence skills.

All Database and Business Intelligence Skills
London
Contract vacancies with a requirement for database or business intelligence skills 11,332 11,147 10,486
As % of all contract IT jobs advertised in London 24.38% 23.61% 23.58%
Number of daily rates quoted 8,445 8,319 7,401
London median daily rate £525 £500 £475
Median daily rate % change year-on-year +5.00% +5.26% +5.56%
10th Percentile £363 £353 £325
90th Percentile £675 £663 £638
England median daily rate £475 £463 £425
% change year-on-year +2.70% +8.82% +1.19%
Number of hourly rates quoted 48 64 42
London median hourly rate £27.62 £26.97 £32.25
Median hourly rate % change year-on-year +2.40% -16.38% +44.94%
10th Percentile £18.35 £18.08 £15.25
90th Percentile £50.50 £58.75 £65.00
England median hourly rate £32.50 £32.75 £27.75
% change year-on-year -0.76% +18.02% +0.91%

Data Mining
Job Vacancy Trend in London

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

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 6 months to 16 December 2018.

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
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 6 months to 16 December 2018. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Central London -4 41 £650 +1.96% 10
East London -35 8 £500 +135.29% 2
West London +6 6 £320 - 1
South London -19 6 £500 -21.88%
North London - 1 £475 -
Data Mining
England

For the 6 months to 16 December 2018, IT contractor jobs citing Data Mining 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 London region with a requirement for Data Mining.

1 80 (60.61%) Python
2 75 (56.82%) SQL
3 62 (46.97%) Data Science
4 56 (42.42%) Finance
5 54 (40.91%) Machine Learning
5 54 (40.91%) Analytics
6 47 (35.61%) Hadoop
7 45 (34.09%) R
8 42 (31.82%) Agile Software Development
9 41 (31.06%) Analytical Skills
9 41 (31.06%) Apache Spark
9 41 (31.06%) Algorithms
10 38 (28.79%) ETL
10 38 (28.79%) Visualisation
11 37 (28.03%) Big Data
12 35 (26.52%) Data Modelling
13 33 (25.00%) Business Intelligence
13 33 (25.00%) Oracle
14 31 (23.48%) Microsoft Azure
15 30 (22.73%) Computer Science
15 30 (22.73%) SAS
16 29 (21.97%) Mathematics
17 28 (21.21%) Power BI
17 28 (21.21%) SQL Server Integration Services
17 28 (21.21%) Data Visualisation
17 28 (21.21%) Banking
17 28 (21.21%) Data Warehouse
18 27 (20.45%) Degree
19 26 (19.70%) Kafka
20 24 (18.18%) Tableau

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 41 (31.06%) Apache Spark
2 30 (22.73%) SAS
3 7 (5.30%) Confluence
3 7 (5.30%) SharePoint
4 4 (3.03%) Apache Solr
5 3 (2.27%) Elasticsearch
6 1 (0.76%) IPython
6 1 (0.76%) Jupyter
Applications
1 6 (4.55%) Microsoft Excel
2 3 (2.27%) MS Visio
3 2 (1.52%) Microsoft PowerPoint
3 2 (1.52%) SPSS
4 1 (0.76%) Microsoft Project
Business Applications
1 13 (9.85%) SAP Oil and Gas
2 1 (0.76%) Adobe Campaign
2 1 (0.76%) Data Workbench
2 1 (0.76%) Oracle AML
2 1 (0.76%) Oracle Financials
2 1 (0.76%) Unica
Cloud Services
1 31 (23.48%) Microsoft Azure
2 14 (10.61%) Amazon AWS
3 13 (9.85%) Azure Data Factory
4 9 (6.82%) Data Lake Analytics
5 8 (6.06%) Google Cloud Platform
6 4 (3.03%) AdWords
7 3 (2.27%) Google Analytics
8 2 (1.52%) Amazon S3
Communications & Networking
1 2 (1.52%) Kerberos
1 2 (1.52%) SSL
1 2 (1.52%) VPN
Database & Business Intelligence
1 47 (35.61%) Hadoop
2 37 (28.03%) Big Data
3 28 (21.21%) Data Warehouse
3 28 (21.21%) Power BI
3 28 (21.21%) SQL Server Integration Services
4 22 (16.67%) SQL Server
5 19 (14.39%) Data Lake
6 17 (12.88%) HBase
6 17 (12.88%) MongoDB
7 15 (11.36%) SAP BW
7 15 (11.36%) SAP HANA
8 14 (10.61%) Azure SQL Data Warehouse
8 14 (10.61%) NoSQL
9 13 (9.85%) Cosmos DB
9 13 (9.85%) HDInsight
9 13 (9.85%) Redis
9 13 (9.85%) Spotfire
10 11 (8.33%) Azure SQL Database
11 10 (7.58%) Apache Hive
12 9 (6.82%) MySQL
Development Applications
1 21 (15.91%) JIRA
2 9 (6.82%) Appium
2 9 (6.82%) Cucumber
2 9 (6.82%) Selenium
3 5 (3.79%) Jenkins
4 4 (3.03%) Git (software)
5 3 (2.27%) TestDirector
6 2 (1.52%) ERwin
6 2 (1.52%) FishEye
6 2 (1.52%) JMeter
6 2 (1.52%) SQL Server Management Studio (SSMS)
General
1 56 (42.42%) Finance
2 28 (21.21%) Banking
3 20 (15.15%) Retail
4 18 (13.64%) Investment Banking
5 13 (9.85%) Marketing
6 10 (7.58%) Front Office
7 6 (4.55%) Retail Banking
8 4 (3.03%) Games
9 3 (2.27%) Advertising
9 3 (2.27%) French Language
10 2 (1.52%) Arabic Language
10 2 (1.52%) German Language
10 2 (1.52%) Legal
11 1 (0.76%) Back Office
11 1 (0.76%) Electronics
11 1 (0.76%) Publishing
Job Titles
1 29 (21.97%) Analyst
1 29 (21.97%) Data Scientist
2 28 (21.21%) Data Engineer
3 24 (18.18%) Developer
4 21 (15.91%) Data Analyst
5 16 (12.12%) Azure Engineer
6 14 (10.61%) Python Developer
7 13 (9.85%) Big Data Engineer
8 7 (5.30%) Senior Data Engineer
9 6 (4.55%) Business Analyst
9 6 (4.55%) Machine Learning Developer
9 6 (4.55%) Scrum Master
10 5 (3.79%) Architect
10 5 (3.79%) Data Analytics Engineer
10 5 (3.79%) Data Architect
10 5 (3.79%) Quality Engineer
10 5 (3.79%) SAP Engineer
11 4 (3.03%) Banking Analyst
11 4 (3.03%) Business Intelligence Lead
11 4 (3.03%) Test Engineer
Libraries, Frameworks & Software Standards
1 26 (19.70%) Kafka
2 20 (15.15%) Natural Language Processing
3 6 (4.55%) NumPy
3 6 (4.55%) Pandas
3 6 (4.55%) XML
4 5 (3.79%) RESTful
5 4 (3.03%) JSON
6 3 (2.27%) OpenCV
6 3 (2.27%) PyQt
6 3 (2.27%) TensorFlow
7 2 (1.52%) Elastic Stack
7 2 (1.52%) HTML
7 2 (1.52%) HTML5
7 2 (1.52%) Play Framework
7 2 (1.52%) React
7 2 (1.52%) scikit-learn
8 1 (0.76%) MFC
8 1 (0.76%) Node.js
8 1 (0.76%) SciPy
8 1 (0.76%) XSLT
Miscellaneous
1 41 (31.06%) Algorithms
1 41 (31.06%) Analytical Skills
2 9 (6.82%) Robotics
3 4 (3.03%) Data Structures
3 4 (3.03%) Fixed Income
4 3 (2.27%) Credit Risk
4 3 (2.27%) Derivative
4 3 (2.27%) Equities
4 3 (2.27%) Management Information System
4 3 (2.27%) Market Risk
4 3 (2.27%) OTC Derivatives
4 3 (2.27%) STB
4 3 (2.27%) User Experience
5 2 (1.52%) Fintech
6 1 (0.76%) Public Cloud
6 1 (0.76%) Self-Motivation
Operating Systems
1 13 (9.85%) Unix
2 6 (4.55%) Linux
3 4 (3.03%) Windows
4 2 (1.52%) Red Hat Enterprise Linux
4 2 (1.52%) Solaris
4 2 (1.52%) Windows Server
4 2 (1.52%) Windows Server 2008
4 2 (1.52%) Windows Server 2012
Processes & Methodologies
1 62 (46.97%) Data Science
2 54 (40.91%) Analytics
2 54 (40.91%) Machine Learning
3 42 (31.82%) Agile Software Development
4 38 (28.79%) ETL
4 38 (28.79%) Visualisation
5 35 (26.52%) Data Modelling
6 33 (25.00%) Business Intelligence
7 30 (22.73%) Computer Science
8 29 (21.97%) Mathematics
9 28 (21.21%) Data Visualisation
10 24 (18.18%) Data Integration
11 23 (17.42%) Artificial Intelligence
11 23 (17.42%) Data Security
11 23 (17.42%) DevOps
12 21 (15.91%) Data Engineering
12 21 (15.91%) Metadata Management
12 21 (15.91%) Scrum
12 21 (15.91%) Statistical Modelling
13 19 (14.39%) Statistics
Programming Languages
1 80 (60.61%) Python
2 75 (56.82%) SQL
3 45 (34.09%) R
4 19 (14.39%) Java
5 16 (12.12%) JavaScript
5 16 (12.12%) MATLAB
6 12 (9.09%) Scala
7 8 (6.06%) C#
8 4 (3.03%) C++
8 4 (3.03%) Perl
8 4 (3.03%) PowerShell
9 3 (2.27%) Bash Shell
9 3 (2.27%) C
9 3 (2.27%) Data Analysis Expressions (DAX)
9 3 (2.27%) PL/SQL
9 3 (2.27%) T-SQL
10 2 (1.52%) PHP
11 1 (0.76%) ABAP
Qualifications
1 27 (20.45%) Degree
2 18 (13.64%) Computer Science Degree
3 13 (9.85%) PhD
4 2 (1.52%) Master's Degree
4 2 (1.52%) Numerate Degree
Quality Assurance & Compliance
1 12 (9.09%) QA
2 9 (6.82%) Data Quality
3 6 (4.55%) GDPR
4 2 (1.52%) Actionable Recommendations
System Software
1 23 (17.42%) Apache Flume
2 3 (2.27%) HDFS
3 2 (1.52%) Docker
3 2 (1.52%) VMware ESXi
Systems Management
1 3 (2.27%) HP Quality Center
2 2 (1.52%) Ansible
2 2 (1.52%) Hadoop YARN
3 1 (0.76%) Kibana
Vendors
1 33 (25.00%) Oracle
2 24 (18.18%) Tableau
3 21 (15.91%) Alteryx
3 21 (15.91%) Informatica
3 21 (15.91%) Talend
4 18 (13.64%) Microsoft
5 16 (12.12%) SAP
6 10 (7.58%) Databricks
7 9 (6.82%) Google
7 9 (6.82%) Perfecto Mobile
8 4 (3.03%) Hortonworks
8 4 (3.03%) Murex
9 3 (2.27%) GoldenSource
9 3 (2.27%) IBM
10 2 (1.52%) Atlassian
10 2 (1.52%) Cognos
10 2 (1.52%) MicroStrategy
10 2 (1.52%) Red Hat
10 2 (1.52%) VMware
11 1 (0.76%) Ab Initio