Period
to 23 September 2021

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 23 September 2021 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
23 Sep 2021
Same period 2020 Same period 2019
Rank 161 108 223
Rank change year-on-year -53 +115 +7
Contract jobs citing Data Mining 10 8 8
As % of all contract jobs advertised in the City of London 0.27% 0.45% 0.13%
As % of the Database & Business Intelligence category 1.25% 1.67% 0.50%
Number of daily rates quoted 7 3 5
10th Percentile £480 £540 £320
25th Percentile £500 £563 £463
Median daily rate (50th Percentile) £525 £600 £500
Median % change year-on-year -12.50% +20.00% -16.67%
75th Percentile £606 £644 £590
90th Percentile £676 £670 £596
Central London median daily rate £525 £588 £488
% change year-on-year -10.64% +20.51% -15.22%
Number of hourly rates quoted 1 0 1
10th Percentile " " "
25th Percentile £31.00 " £32.50
Median hourly rate £32.00 - £35.00
75th Percentile £33.00 " £37.50
90th Percentile " " "
Central London median hourly rate £32.00 - £35.00

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 800 479 1,605
As % of all contract IT jobs advertised in the City of London 21.83% 26.97% 25.84%
Number of daily rates quoted 584 358 1,284
10th Percentile £376 £390 £388
25th Percentile £473 £431 £456
Median daily rate (50th Percentile) £550 £525 £525
Median % change year-on-year +4.76% - -
75th Percentile £650 £603 £618
90th Percentile £738 £688 £688
Central London median daily rate £550 £525 £525
% change year-on-year +4.76% - -
Number of hourly rates quoted 8 6 8
10th Percentile " £18.50 £17.89
25th Percentile £8.00 £20.50 £21.23
Median hourly rate £15.25 £29.75 £28.75
Median % change year-on-year -48.74% +3.48% +27.78%
75th Percentile £33.69 £39.00 £47.42
90th Percentile £43.33 £43.50 £51.04
Central London median hourly rate £17.00 £29.75 £28.75
% change year-on-year -42.86% +3.48% +27.78%

Data Mining
Job Vacancy Trend in the City of London

Job postings citing Data Mining as a proportion 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

3-month moving average daily rate quoted in jobs citing Data Mining in the City of London.

Daily rate trend for Data Mining in the City of London

Data Mining
Daily Rate Histogram in the City of London

Daily rate distribution for jobs citing Data Mining in the City of London over the 6 months to 23 September 2021.

Daily rate histogram for Data Mining in the City of London

Data Mining
Contractor Hourly Rate Trend in the City of London

3-month moving average hourly rates quoted in jobs citing Data Mining in the City of London.

Hourly rate trend for Data Mining in the City of London

For the 6 months to 23 September 2021, 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 City of London region with a requirement for Data Mining.

1 9 (90.00%) SQL
2 6 (60.00%) Data Science
3 5 (50.00%) Tableau
3 5 (50.00%) Python
4 4 (40.00%) Finance
4 4 (40.00%) Data Analysis
4 4 (40.00%) R
4 4 (40.00%) Social Skills
5 3 (30.00%) Machine Learning
5 3 (30.00%) Data Quality
5 3 (30.00%) Analytics
5 3 (30.00%) Analytical Skills
5 3 (30.00%) Business Analysis
5 3 (30.00%) Statistical Analysis
5 3 (30.00%) Computer Science
5 3 (30.00%) Hadoop
5 3 (30.00%) Visualisation
5 3 (30.00%) Agile Software Development
5 3 (30.00%) SQL Server
6 2 (20.00%) XML
6 2 (20.00%) Data Modelling
6 2 (20.00%) SAS
6 2 (20.00%) Business Intelligence
6 2 (20.00%) PhD
6 2 (20.00%) FpML
6 2 (20.00%) Banking
6 2 (20.00%) Games
6 2 (20.00%) MongoDB
6 2 (20.00%) SWIFT
6 2 (20.00%) Reference Data

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 (20.00%) SAS
2 1 (10.00%) Apache Spark
2 1 (10.00%) ArcGIS
2 1 (10.00%) SharePoint
Applications
1 1 (10.00%) Microsoft Excel
Cloud Services
1 1 (10.00%) AWS
1 1 (10.00%) Azure
1 1 (10.00%) Azure Cosmos DB
1 1 (10.00%) Power Platform
Database & Business Intelligence
1 5 (50.00%) Tableau
2 3 (30.00%) Hadoop
2 3 (30.00%) SQL Server
3 2 (20.00%) MongoDB
4 1 (10.00%) Data Lake
4 1 (10.00%) GIS
4 1 (10.00%) HBase
4 1 (10.00%) HDInsight
4 1 (10.00%) MySQL
4 1 (10.00%) NoSQL
4 1 (10.00%) OLAP
4 1 (10.00%) PostgreSQL
4 1 (10.00%) Power BI
4 1 (10.00%) QGIS
4 1 (10.00%) Redis
4 1 (10.00%) Text Mining
Development Applications
1 1 (10.00%) Visual Studio
1 1 (10.00%) Visual Studio Team System
General
1 4 (40.00%) Finance
1 4 (40.00%) Social Skills
2 3 (30.00%) Analytical Skills
3 2 (20.00%) Banking
3 2 (20.00%) Games
3 2 (20.00%) Investment Banking
3 2 (20.00%) Presentation Skills
4 1 (10.00%) Telecoms
Job Titles
1 5 (50.00%) Analyst
2 3 (30.00%) Data Analyst
3 2 (20.00%) Banking Analyst
3 2 (20.00%) Business Analyst
3 2 (20.00%) Data Engineer
3 2 (20.00%) Data Scientist
3 2 (20.00%) Investment Banking Business Analyst
3 2 (20.00%) XML Analyst
4 1 (10.00%) Architect
4 1 (10.00%) Consultant
4 1 (10.00%) Data Architect
4 1 (10.00%) Data Consultant
4 1 (10.00%) IT Analyst
4 1 (10.00%) Senior Data Engineer
Libraries, Frameworks & Software Standards
1 2 (20.00%) FpML
1 2 (20.00%) TensorFlow
1 2 (20.00%) XML
2 1 (10.00%) D3.js
Miscellaneous
1 2 (20.00%) Fixed Income
1 2 (20.00%) Reference Data
1 2 (20.00%) SWIFT
2 1 (10.00%) Algorithms
2 1 (10.00%) Legacy Systems
2 1 (10.00%) Social Media
Processes & Methodologies
1 6 (60.00%) Data Science
2 4 (40.00%) Data Analysis
3 3 (30.00%) Agile Software Development
3 3 (30.00%) Analytics
3 3 (30.00%) Business Analysis
3 3 (30.00%) Computer Science
3 3 (30.00%) Machine Learning
3 3 (30.00%) Statistical Analysis
3 3 (30.00%) Visualisation
4 2 (20.00%) Artificial Intelligence
4 2 (20.00%) Business Intelligence
4 2 (20.00%) Data Mapping
4 2 (20.00%) Data Modelling
4 2 (20.00%) Data Visualisation
4 2 (20.00%) Natural Language Processing
4 2 (20.00%) Neural Network
4 2 (20.00%) Problem-Solving
4 2 (20.00%) Reinforcement Learning
4 2 (20.00%) System Testing
5 1 (10.00%) Benchmarking
Programming Languages
1 9 (90.00%) SQL
2 5 (50.00%) Python
3 4 (40.00%) R
4 1 (10.00%) Java
Qualifications
1 2 (20.00%) Degree
1 2 (20.00%) PhD
2 1 (10.00%) Master's Degree
Quality Assurance & Compliance
1 3 (30.00%) Data Quality
Vendors
1 1 (10.00%) Alteryx
1 1 (10.00%) Informatica
1 1 (10.00%) Microsoft
1 1 (10.00%) Oracle
1 1 (10.00%) ServiceNow