Period
to 8 December 2021

The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for Data Mart skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Data Mart over the 6 months to 8 December 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 Mart
Central London > City of London
6 months to
8 Dec 2021
Same period 2020 Same period 2019
Rank 182 123 213
Rank change year-on-year -59 +90 +46
Contract jobs citing Data Mart 6 2 7
As % of all contract jobs advertised in the City of London 0.15% 0.10% 0.12%
As % of the Database & Business Intelligence category 0.60% 0.41% 0.50%
Number of daily rates quoted 6 1 7
10th Percentile £369 " £485
25th Percentile £397 £713 £500
Median daily rate (50th Percentile) £495 £725 £513
Median % change year-on-year -31.72% +41.46% -25.45%
75th Percentile £524 £738 £613
90th Percentile £656 " £638
Central London median daily rate £495 £725 £513
% change year-on-year -31.72% +41.46% -25.45%

Data Mart 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 994 486 1,409
As % of all contract IT jobs advertised in the City of London 24.18% 24.40% 24.96%
Number of daily rates quoted 773 368 1,116
10th Percentile £381 £350 £388
25th Percentile £481 £425 £450
Median daily rate (50th Percentile) £570 £525 £525
Median % change year-on-year +8.57% - -
75th Percentile £668 £625 £600
90th Percentile £738 £688 £675
Central London median daily rate £561 £525 £523
% change year-on-year +6.76% +0.48% -0.48%
Number of hourly rates quoted 4 4 3
10th Percentile £34.15 £20.60 £21.18
25th Percentile £35.50 £21.50 £21.21
Median hourly rate £47.75 £29.75 £22.33
Median % change year-on-year +60.50% +33.23% -25.05%
75th Percentile £65.13 £38.50 £39.50
90th Percentile £72.55 £38.95 £49.10
Central London median hourly rate £47.75 £37.50 £22.33
% change year-on-year +27.33% +67.94% -25.05%

Data Mart
Job Vacancy Trend in the City of London

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

Job vacancy trend for Data Mart in the City of London

Data Mart
Contractor Daily Rate Trend in the City of London

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

Daily rate trend for Data Mart in the City of London

Data Mart
Daily Rate Histogram in the City of London

Daily rate distribution for jobs citing Data Mart in the City of London over the 6 months to 8 December 2021.

Daily rate histogram for Data Mart in the City of London

Data Mart
Contractor Hourly Rate Trend in the City of London

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

Hourly rate trend for Data Mart in the City of London

For the 6 months to 8 December 2021, IT contractor jobs citing Data Mart 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 Mart.

1 6 (100.00%) SQL
2 4 (66.67%) Analytics
3 3 (50.00%) Amazon Redshift
3 3 (50.00%) AWS
3 3 (50.00%) Data Pipeline
3 3 (50.00%) Python
3 3 (50.00%) Data Warehouse
3 3 (50.00%) Java
3 3 (50.00%) Business Intelligence
3 3 (50.00%) Banking
3 3 (50.00%) Investment Banking
4 2 (33.33%) QA
4 2 (33.33%) Microsoft PowerPoint
4 2 (33.33%) Corporate Banking
4 2 (33.33%) Financial Institution
4 2 (33.33%) Finance
4 2 (33.33%) OLTP
4 2 (33.33%) SAS
4 2 (33.33%) Microsoft Excel
4 2 (33.33%) OLAP
4 2 (33.33%) Data Lake
4 2 (33.33%) AWS Lambda
4 2 (33.33%) Serverless
4 2 (33.33%) Tableau
4 2 (33.33%) Data Analytics
4 2 (33.33%) Kalman Filter
4 2 (33.33%) Amazon S3
4 2 (33.33%) Amazon DynamoDB
5 1 (16.67%) Jenkins
5 1 (16.67%) Performance Metrics

Data Mart
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 (33.33%) SAS
Applications
1 2 (33.33%) Microsoft Excel
1 2 (33.33%) Microsoft PowerPoint
Cloud Services
1 3 (50.00%) AWS
2 2 (33.33%) Amazon S3
2 2 (33.33%) AWS Lambda
2 2 (33.33%) Serverless
3 1 (16.67%) GitHub
3 1 (16.67%) Power Platform
Database & Business Intelligence
1 3 (50.00%) Amazon Redshift
1 3 (50.00%) Data Warehouse
2 2 (33.33%) Amazon DynamoDB
2 2 (33.33%) Data Lake
2 2 (33.33%) OLAP
2 2 (33.33%) OLTP
2 2 (33.33%) Tableau
3 1 (16.67%) Enterprise Data Warehouse
3 1 (16.67%) Power BI
Development Applications
1 1 (16.67%) CMake
1 1 (16.67%) Git (software)
1 1 (16.67%) GoCD
1 1 (16.67%) Jenkins
1 1 (16.67%) JIRA
1 1 (16.67%) Maven
1 1 (16.67%) Subversion
General
1 3 (50.00%) Banking
1 3 (50.00%) Investment Banking
2 2 (33.33%) Corporate Banking
2 2 (33.33%) Finance
2 2 (33.33%) Financial Institution
Job Titles
1 2 (33.33%) Analyst
1 2 (33.33%) Data Engineer
1 2 (33.33%) QA Analyst
2 1 (16.67%) Murex Specialist
Libraries, Frameworks & Software Standards
1 1 (16.67%) JSON
1 1 (16.67%) Murex MxML
1 1 (16.67%) Spring
1 1 (16.67%) XML
1 1 (16.67%) XSLT
Miscellaneous
1 1 (16.67%) Foreign Exchange (FX)
1 1 (16.67%) Linux Command Line
Operating Systems
1 1 (16.67%) Linux
1 1 (16.67%) Unix
Processes & Methodologies
1 4 (66.67%) Analytics
2 3 (50.00%) Business Intelligence
2 3 (50.00%) Data Pipeline
3 2 (33.33%) Data Analytics
3 2 (33.33%) Kalman Filter
4 1 (16.67%) Agile Software Development
4 1 (16.67%) Collaborative Working
4 1 (16.67%) Decision-Making
4 1 (16.67%) E-Commerce
4 1 (16.67%) ETL
4 1 (16.67%) High Availability
4 1 (16.67%) Multithreaded Programming
4 1 (16.67%) Multithreading
4 1 (16.67%) Open Source
4 1 (16.67%) Performance Metrics
4 1 (16.67%) Problem-Solving
4 1 (16.67%) Stakeholder Management
Programming Languages
1 6 (100.00%) SQL
2 3 (50.00%) Java
2 3 (50.00%) Python
3 1 (16.67%) C
3 1 (16.67%) C++
Quality Assurance & Compliance
1 2 (33.33%) QA
Vendors
1 1 (16.67%) Microsoft
1 1 (16.67%) Murex