The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for Dimensional Modelling skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Dimensional Modelling over the 3 months to 23 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.

Dimensional Modelling
London / City of London
3 months to
23 Jun 2017
Same period 2016 Same period 2015
Rank 158 154 192
Rank change year-on-year -4 +38  
Contract jobs citing Dimensional Modelling 8 10 9
As % of all contract IT jobs advertised in the City of London 0.24% 0.30% 0.15%
As % of the Processes & Methodologies category 0.28% 0.34% 0.19%
Number of daily rates quoted 7 10 7
Median daily rate £475 £450 £450
Median daily rate % change year-on-year +5.55% -  
90% offered a daily rate of more than £448 £423 £395
10% offered a daily rate of more than £600 £545 £540
UK excluding London median daily rate £450 £413 £425
% change year-on-year +9.09% -2.94%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - £20.50 -

Dimensional Modelling 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 2907 2906 4704
As % of all contract IT job vacancies advertised in the City of London 88.09% 85.87% 80.95%
Number of daily rates quoted 2235 2375 3702
Median daily rate £500 £475 £473
Median daily rate % change year-on-year +5.26% +0.52%  
90% offered a daily rate of more than £350 £335 £325
10% offered a daily rate of more than £650 £625 £625
UK excluding London median daily rate £415 £400 £383
% change year-on-year +3.75% +4.57%  
Number of hourly rates quoted 25 25 56
Median hourly rate £20.00 £19.00 £24.50
Median hourly rate % change year-on-year +5.26% -22.44%  
90% offered a hourly rate of more than £14.75 £12.50 £15.00
10% offered a hourly rate of more than £41.00 £31.50 £55.50
UK excluding London median hourly rate £33.50 £28.50 £30.00
% change year-on-year +17.54% -5.00%  

Dimensional Modelling
Job Vacancy Trend in the City of London

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

Job vacancy trend for Dimensional Modelling in the City of London

Dimensional Modelling
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 Dimensional Modelling in the City of London.

Contractor daily rate trend for Dimensional Modelling in the City of London

Dimensional Modelling
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing Dimensional Modelling in the City of London over the 3 months to 23 June 2017.

Contractor daily rate histogram for Dimensional Modelling in the City of London

For the 6 months to 23 June 2017, IT contractor jobs citing Dimensional Modelling 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 Dimensional Modelling.

1 15 (93.75%) Business Intelligence
2 13 (81.25%) Data Warehouse
3 11 (68.75%) SQL
4 10 (62.50%) Data Modelling
5 9 (56.25%) Finance
5 9 (56.25%) SQL Server Reporting Services
5 9 (56.25%) SDLC
6 8 (50.00%) SQL Server Integration Services
6 8 (50.00%) SQL Server Analysis Services
7 7 (43.75%) ETL
7 7 (43.75%) Degree
7 7 (43.75%) Data Management
7 7 (43.75%) Data Structures
7 7 (43.75%) Data Quality
8 6 (37.50%) Visualisation
8 6 (37.50%) Relational Database
8 6 (37.50%) Microsoft
8 6 (37.50%) Oracle
9 5 (31.25%) Python
9 5 (31.25%) C++
9 5 (31.25%) Sybase
9 5 (31.25%) DB2
9 5 (31.25%) Teradata
9 5 (31.25%) Netezza
9 5 (31.25%) R
9 5 (31.25%) Predictive Modelling
9 5 (31.25%) NoSQL
9 5 (31.25%) D3.js
9 5 (31.25%) Data Transformation
10 4 (25.00%) T-SQL

Dimensional Modelling
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 (18.75%) SharePoint
Applications
1 3 (18.75%) MS Visio
2 2 (12.50%) Microsoft Excel
Database & Business Intelligence
1 13 (81.25%) Data Warehouse
2 9 (56.25%) SQL Server Reporting Services
3 8 (50.00%) SQL Server Analysis Services
3 8 (50.00%) SQL Server Integration Services
4 6 (37.50%) Relational Database
5 5 (31.25%) DB2
5 5 (31.25%) NoSQL
6 3 (18.75%) SQL Server
7 2 (12.50%) Power BI
7 2 (12.50%) PowerPivot
7 2 (12.50%) QlikView
8 1 (6.25%) Data Mart
8 1 (6.25%) Microsoft Analysis Services
8 1 (6.25%) MOLAP
8 1 (6.25%) OLAP
8 1 (6.25%) Oracle ODI
8 1 (6.25%) Oracle OWB
General
1 9 (56.25%) Finance
2 2 (12.50%) Legal
3 1 (6.25%) Banking
Job Titles
1 8 (50.00%) Analyst
2 5 (31.25%) Business Intelligence Developer
2 5 (31.25%) Data Analyst
2 5 (31.25%) Developer
3 4 (25.00%) Business Developer
4 3 (18.75%) Architect
4 3 (18.75%) Data Architect
4 3 (18.75%) Lead Data Architect
4 3 (18.75%) Report Developer
5 2 (12.50%) Business Data Analyst
5 2 (12.50%) Business Intelligence Analyst
5 2 (12.50%) Business Intelligence Lead
5 2 (12.50%) Insurance Systems Analyst
5 2 (12.50%) Oracle Analyst
5 2 (12.50%) Power BI Developer
5 2 (12.50%) SQL Analyst
5 2 (12.50%) Systems Analyst
6 1 (6.25%) Senior Oracle Analyst
6 1 (6.25%) Senior Test Analyst
6 1 (6.25%) Test Analyst
Libraries, Frameworks & Software Standards
1 5 (31.25%) D3.js
2 3 (18.75%) MDX
3 1 (6.25%) COM
Miscellaneous
1 7 (43.75%) Data Structures
2 2 (12.50%) Management Information System
Processes & Methodologies
1 15 (93.75%) Business Intelligence
2 10 (62.50%) Data Modelling
3 9 (56.25%) SDLC
4 7 (43.75%) Data Management
4 7 (43.75%) ETL
5 6 (37.50%) Visualisation
6 5 (31.25%) Data Transformation
6 5 (31.25%) Predictive Modelling
7 3 (18.75%) Business Analysis
7 3 (18.75%) Data Analysis
7 3 (18.75%) Kimball Methodology
7 3 (18.75%) Logical Data Model
7 3 (18.75%) Physical Data Model
8 2 (12.50%) Agile Software Development
8 2 (12.50%) Information Management
8 2 (12.50%) UML
9 1 (6.25%) Quality Management
9 1 (6.25%) Stakeholder Management
9 1 (6.25%) Supplier Management
9 1 (6.25%) TDD
Programming Languages
1 11 (68.75%) SQL
2 5 (31.25%) C++
2 5 (31.25%) Python
2 5 (31.25%) R
3 4 (25.00%) T-SQL
4 3 (18.75%) JavaScript
5 2 (12.50%) Data Analysis Expressions (DAX)
Qualifications
1 7 (43.75%) Degree
Quality Assurance & Compliance
1 7 (43.75%) Data Quality
2 2 (12.50%) Solvency II
Vendors
1 6 (37.50%) Microsoft
1 6 (37.50%) Oracle
2 5 (31.25%) Netezza
2 5 (31.25%) Sybase
2 5 (31.25%) Teradata
3 3 (18.75%) Tableau