The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for OLTP skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited OLTP over the 3 months to 30 March 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.

Online Transaction Processing (OLTP)
London / City of London
3 months to
30 Mar 2017
Same period 2016 Same period 2015
Rank 148 158 186
Rank change year-on-year +10 +28  
Contract jobs citing OLTP 3 5 10
As % of all contract IT jobs advertised in the City of London 0.097% 0.15% 0.19%
As % of the Database & Business Intelligence category 0.36% 0.53% 0.79%
Number of daily rates quoted 3 4 10
Median daily rate £488 £438 £438
Median daily rate % change year-on-year +11.42% -  
90% offered a daily rate of more than £458 £363 £351
10% offered a daily rate of more than £618 £521 £462
UK excluding London median daily rate £425 £450 £335
% change year-on-year -5.55% +34.32%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - £51.00 £37.50
% change year-on-year - +36.00%  

OLTP 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 the City of London with a requirement for database and business intelligence skills.

Contract Database & Business Intelligence Skills
City of London
Contract job vacancies with a requirement for database and business intelligence skills 834 945 1273
As % of all contract IT job vacancies advertised in the City of London 26.89% 27.76% 24.78%
Number of daily rates quoted 656 771 996
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 £350 £330 £313
10% offered a daily rate of more than £625 £600 £588
UK excluding London median daily rate £400 £388 £375
% change year-on-year +3.22% +3.33%  
Number of hourly rates quoted 1 6 5
Median hourly rate £22.34 £31.29 £36.00
Median hourly rate % change year-on-year -28.60% -13.09%  
UK excluding London median hourly rate £35.00 £32.50 £32.50
% change year-on-year +7.69% -  

OLTP
Job Vacancy Trend in the City of London

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

Job vacancy trend for OLTP in the City of London

OLTP
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 OLTP in the City of London.

Contractor daily rate trend for OLTP in the City of London

OLTP
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing OLTP in the City of London over the 3 months to 30 March 2017.

Contractor daily rate histogram for OLTP in the City of London

For the 6 months to 30 March 2017, IT contractor jobs citing OLTP 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 OLTP.

1 4 (80.00%) SQL Server
1 4 (80.00%) SQL
2 3 (60.00%) SQL Server Reporting Services
2 3 (60.00%) T-SQL
2 3 (60.00%) SQL Server Integration Services
3 2 (40.00%) Fund Management
3 2 (40.00%) Wealth Management
3 2 (40.00%) Unit Testing
3 2 (40.00%) Investment Management
3 2 (40.00%) SQL Server 2008
3 2 (40.00%) Data Warehouse
3 2 (40.00%) Asset Management
3 2 (40.00%) Fixed Income
4 1 (20.00%) Perl
4 1 (20.00%) PL/SQL
4 1 (20.00%) Disaster Recovery
4 1 (20.00%) Finance
4 1 (20.00%) Migration
4 1 (20.00%) Billing
4 1 (20.00%) Data Analysis
4 1 (20.00%) Software Engineering
4 1 (20.00%) ETL
4 1 (20.00%) XML Schema
4 1 (20.00%) Business Intelligence
4 1 (20.00%) Shell Script
4 1 (20.00%) .NET
4 1 (20.00%) Oracle
4 1 (20.00%) Sybase
4 1 (20.00%) OLAP
4 1 (20.00%) WebLogic

OLTP
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 1 (20.00%) Confluence
1 1 (20.00%) WebLogic
Applications
1 1 (20.00%) MS Excel
Database & Business Intelligence
1 4 (80.00%) SQL Server
2 3 (60.00%) SQL Server Integration Services
2 3 (60.00%) SQL Server Reporting Services
3 2 (40.00%) Data Warehouse
3 2 (40.00%) SQL Server 2008
4 1 (20.00%) OLAP
4 1 (20.00%) Oracle Database
4 1 (20.00%) Oracle Database 11g
4 1 (20.00%) Oracle Database 12c
4 1 (20.00%) Oracle ODI
4 1 (20.00%) Relational Database
4 1 (20.00%) SQL Server 2012
4 1 (20.00%) SQL Server Analysis Services
Development Applications
1 1 (20.00%) Git (software)
1 1 (20.00%) Jenkins
1 1 (20.00%) JIRA
1 1 (20.00%) Sonatype Nexus
1 1 (20.00%) Team Foundation Server
General
1 1 (20.00%) Billing
1 1 (20.00%) Finance
1 1 (20.00%) French Language
Job Titles
1 4 (80.00%) Developer
2 2 (40.00%) SQL Developer
3 1 (20.00%) Architect
3 1 (20.00%) Business Intelligence Architect
3 1 (20.00%) Data Architect
3 1 (20.00%) Data Warehouse Architect
3 1 (20.00%) Database Developer
3 1 (20.00%) Gloss Developer
3 1 (20.00%) Perl Developer
3 1 (20.00%) Senior Developer
3 1 (20.00%) SQL BI Architect
3 1 (20.00%) SQL Database Developer
3 1 (20.00%) SQL Server Developer
3 1 (20.00%) Sybase Developer
Libraries, Frameworks & Software Standards
1 1 (20.00%) .NET
1 1 (20.00%) XML
1 1 (20.00%) XML Schema
1 1 (20.00%) XSD
1 1 (20.00%) XSL
1 1 (20.00%) XSLT
Miscellaneous
1 2 (40.00%) Fixed Income
2 1 (20.00%) Computer Science
2 1 (20.00%) SWIFT
Operating Systems
1 1 (20.00%) Linux
1 1 (20.00%) Solaris
Processes & Methodologies
1 2 (40.00%) Asset Management
1 2 (40.00%) Fund Management
1 2 (40.00%) Investment Management
1 2 (40.00%) Unit Testing
1 2 (40.00%) Wealth Management
2 1 (20.00%) Business Intelligence
2 1 (20.00%) Continuous Improvement
2 1 (20.00%) Data Analysis
2 1 (20.00%) Data Cleansing
2 1 (20.00%) Data Engineering
2 1 (20.00%) Data Integration
2 1 (20.00%) Data Migration
2 1 (20.00%) Disaster Recovery
2 1 (20.00%) ETL
2 1 (20.00%) Migration
2 1 (20.00%) Performance Tuning
2 1 (20.00%) SDLC
2 1 (20.00%) Software Engineering
2 1 (20.00%) Time Management
Programming Languages
1 4 (80.00%) SQL
2 3 (60.00%) T-SQL
3 1 (20.00%) Perl
3 1 (20.00%) PL/SQL
3 1 (20.00%) Shell Script
Qualifications
1 1 (20.00%) Degree
Vendors
1 1 (20.00%) Oracle
1 1 (20.00%) Sybase
1 1 (20.00%) WorldPay