Period
to 22 September 2018

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 6 months to 22 September 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.

Online Transaction Processing (OLTP)
Central London > City of London
6 months to
22 Sep 2018
Same period 2017 Same period 2016
Rank 242 237 237
Rank change year-on-year -5 0 +27
Contract jobs citing OLTP 12 5 10
As % of all contract IT jobs advertised in the City of London 0.17% 0.074% 0.15%
As % of the Database & Business Intelligence category 0.67% 0.29% 0.60%
Number of daily rates quoted 10 4 7
City of London median daily rate £475 £588 £488
Median daily rate % change year-on-year -19.15% +20.51% +5.98%
10th Percentile £391 £468 £385
90th Percentile £609 £681 £743
Central London median daily rate £475 £588 £444
% change year-on-year -19.15% +32.39% -3.53%
Number of hourly rates quoted 0 0 0
City of London median hourly rate - - -
Central London median hourly rate - - -

OLTP 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 1,789 1,713 1,670
As % of all contract IT jobs advertised in the City of London 25.82% 25.26% 24.67%
Number of daily rates quoted 1,417 1,348 1,323
City of London median daily rate £525 £525 £463
Median daily rate % change year-on-year - +13.51% +0.54%
10th Percentile £370 £363 £319
90th Percentile £675 £675 £650
Central London median daily rate £525 £500 £450
% change year-on-year +5.00% +11.11% -
Number of hourly rates quoted 14 8 5
City of London median hourly rate £22.25 £25.99 £19.00
Median hourly rate % change year-on-year -14.40% +36.80% -43.70%
10th Percentile £19.50 £20.75 £16.13
90th Percentile £37.09 £33.25 £33.94
Central London median hourly rate £22.25 £25.99 £19.00
% change year-on-year -14.40% +36.80% -36.67%

OLTP
Job Vacancy Trend in the City of London

Job postings citing OLTP as a percentage of all IT jobs advertised in the City of London.

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 6 months to 22 September 2018.

Contractor daily rate histogram for OLTP in the City of London

For the 6 months to 22 September 2018, IT contractor jobs citing OLTP 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 OLTP.

1 10 (83.33%) SQL Server
2 8 (66.67%) SQL
3 7 (58.33%) Performance Tuning
4 6 (50.00%) SQL Server Integration Services
4 6 (50.00%) SQL Server Reporting Services
5 5 (41.67%) Stakeholder Management
5 5 (41.67%) Business Intelligence
6 4 (33.33%) Database Tuning
6 4 (33.33%) Data Engineering
6 4 (33.33%) SQL Server 2016
7 3 (25.00%) Microsoft
7 3 (25.00%) T-SQL
7 3 (25.00%) OLAP
7 3 (25.00%) Replication
7 3 (25.00%) Finance
8 2 (16.67%) ETL
8 2 (16.67%) Data Warehouse
8 2 (16.67%) Microsoft Azure
8 2 (16.67%) Mentoring
9 1 (8.33%) Virtual Machines
9 1 (8.33%) Failover Clustering
9 1 (8.33%) Microsoft Clustering
9 1 (8.33%) Dashboard Development
9 1 (8.33%) Power BI
9 1 (8.33%) PaaS
9 1 (8.33%) MongoDB
9 1 (8.33%) IaaS
9 1 (8.33%) Jenkins
9 1 (8.33%) Database Security
9 1 (8.33%) Data Analysis Expressions (DAX)

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:

Cloud Services
1 2 (16.67%) Microsoft Azure
2 1 (8.33%) IaaS
2 1 (8.33%) PaaS
Database & Business Intelligence
1 10 (83.33%) SQL Server
2 6 (50.00%) SQL Server Integration Services
2 6 (50.00%) SQL Server Reporting Services
3 4 (33.33%) SQL Server 2016
4 3 (25.00%) OLAP
5 2 (16.67%) Data Warehouse
6 1 (8.33%) MongoDB
6 1 (8.33%) Power BI
6 1 (8.33%) QlikView
Development Applications
1 1 (8.33%) Jenkins
1 1 (8.33%) JUnit
1 1 (8.33%) SQL Server Management Studio (SSMS)
1 1 (8.33%) Visual Studio
General
1 3 (25.00%) Finance
2 1 (8.33%) Banking
2 1 (8.33%) Legal
2 1 (8.33%) Retail
Job Titles
1 5 (41.67%) Developer
2 3 (25.00%) Consultant
2 3 (25.00%) Data Consultant
2 3 (25.00%) DBA
2 3 (25.00%) SQL Developer
3 2 (16.67%) Business Intelligence Developer
3 2 (16.67%) SQL DBA
3 2 (16.67%) SQL Server DBA
3 2 (16.67%) SQL Server Developer
3 2 (16.67%) SSIS Developer
3 2 (16.67%) SSRS Developer
4 1 (8.33%) Ab Initio Developer
4 1 (8.33%) Data Engineer
4 1 (8.33%) Microsoft BI Developer
4 1 (8.33%) MicroStrategy Developer
4 1 (8.33%) Senior Data Engineer
4 1 (8.33%) Senior DBA
4 1 (8.33%) SQL BI Developer
4 1 (8.33%) SQL Server BI Developer
4 1 (8.33%) T-SQL Developer
Miscellaneous
1 3 (25.00%) Replication
2 1 (8.33%) N-Tier
Operating Systems
1 1 (8.33%) Windows
Processes & Methodologies
1 7 (58.33%) Performance Tuning
2 5 (41.67%) Business Intelligence
2 5 (41.67%) Stakeholder Management
3 4 (33.33%) Data Engineering
3 4 (33.33%) Database Tuning
4 2 (16.67%) ETL
4 2 (16.67%) Mentoring
5 1 (8.33%) Continuous Integration
5 1 (8.33%) Dashboard Development
5 1 (8.33%) Data Analysis
5 1 (8.33%) Data Validation
5 1 (8.33%) Database Security
5 1 (8.33%) Disaster Recovery
5 1 (8.33%) E-Commerce
5 1 (8.33%) Migration
5 1 (8.33%) Reverse Engineering
5 1 (8.33%) Test Automation
5 1 (8.33%) Unit Testing
5 1 (8.33%) Validation
Programming Languages
1 8 (66.67%) SQL
2 3 (25.00%) T-SQL
3 1 (8.33%) Data Analysis Expressions (DAX)
3 1 (8.33%) PowerShell
Qualifications
1 1 (8.33%) MCSE
1 1 (8.33%) Microsoft Certification
System Software
1 1 (8.33%) Virtual Machines
Systems Management
1 1 (8.33%) Failover Clustering
1 1 (8.33%) Microsoft Clustering
Vendors
1 3 (25.00%) Microsoft
2 1 (8.33%) Ab Initio
2 1 (8.33%) MicroStrategy