Period
to 20 November 2017

The following table provides summary statistics for permanent job vacancies advertised in the City of London with a requirement for OLTP skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited OLTP over the 6 months to 20 November 2017 with a comparison to the same period in the previous 2 years.

Online Transaction Processing (OLTP)
Central London > City of London
6 months to
20 Nov 2017
Same period 2016 Same period 2015
Rank 309 326 374
Rank change year-on-year +17 +48 +32
Permanent jobs citing OLTP 11 19 42
As % of all permanent IT jobs advertised in the City of London 0.11% 0.16% 0.25%
As % of the Database & Business Intelligence category 0.34% 0.55% 0.83%
Number of salaries quoted 9 18 36
City of London median annual salary £62,500 £66,000 £67,500
Median salary % change year-on-year -5.30% -2.22% +12.50%
10th Percentile £42,500 £38,700 £40,625
90th Percentile £95,000 £86,500 £71,875
Central London median annual salary £60,000 £66,000 £65,000
% change year-on-year -9.09% +1.54% +13.04%

OLTP is in the Databases and Business Intelligence category. The following table is for comparison with the above and provides summary statistics for all permanent 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
Permanent vacancies with a requirement for database or business intelligence skills 3190 3483 5089
As % of all permanent IT jobs advertised in the City of London 31.25% 30.20% 29.69%
Number of salaries quoted 2918 3197 4424
City of London median annual salary £60,000 £57,500 £57,500
Median salary % change year-on-year +4.35% - +4.55%
10th Percentile £41,250 £36,250 £36,250
90th Percentile £87,500 £86,250 £85,000
Central London median annual salary £60,000 £55,000 £57,000
% change year-on-year +9.09% -3.51% +3.64%

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
Salary Trend in the City of London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing OLTP in the City of London.

Salary trend for OLTP in the City of London

OLTP
Salary Histogram in the City of London

The salary distribution of IT jobs citing OLTP in the City of London over the 6 months to 20 November 2017.

Salary histogram for OLTP in the City of London

For the 6 months to 20 November 2017, IT jobs citing OLTP also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the City of London region with a requirement for OLTP.

1 8 (72.73%) SQL Server
2 7 (63.64%) SQL
2 7 (63.64%) Business Intelligence
2 7 (63.64%) Microsoft
2 7 (63.64%) ETL
3 6 (54.55%) Data Warehouse
3 6 (54.55%) Finance
3 6 (54.55%) SQL Server Integration Services
4 5 (45.45%) SQL Server Analysis Services
4 5 (45.45%) T-SQL
4 5 (45.45%) Kimball Methodology
4 5 (45.45%) Performance Tuning
5 4 (36.36%) Amazon AWS
5 4 (36.36%) Windows
5 4 (36.36%) Linux
5 4 (36.36%) SQL Server Reporting Services
5 4 (36.36%) Advertising
5 4 (36.36%) Replication
6 3 (27.27%) Data Analysis
6 3 (27.27%) SQL Server 2008
6 3 (27.27%) Banking
6 3 (27.27%) JSON
6 3 (27.27%) Web Services
6 3 (27.27%) XML
6 3 (27.27%) Unix
6 3 (27.27%) MS Visio
6 3 (27.27%) HTTP
6 3 (27.27%) DNS
6 3 (27.27%) Mainframe
6 3 (27.27%) SDLC

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:

Applications
1 3 (27.27%) MS Visio
Business Applications
1 1 (9.09%) Oracle Applications
Cloud Services
1 4 (36.36%) Amazon AWS
2 3 (27.27%) Microsoft Azure
Communications & Networking
1 3 (27.27%) DNS
1 3 (27.27%) HTTP
2 2 (18.18%) MPLS
2 2 (18.18%) VPLS
Database & Business Intelligence
1 8 (72.73%) SQL Server
2 6 (54.55%) Data Warehouse
2 6 (54.55%) SQL Server Integration Services
3 5 (45.45%) SQL Server Analysis Services
4 4 (36.36%) SQL Server Reporting Services
5 3 (27.27%) SQL Server 2008
6 2 (18.18%) OLAP
7 1 (9.09%) Data Mining
7 1 (9.09%) MongoDB
7 1 (9.09%) MySQL
7 1 (9.09%) NoSQL
7 1 (9.09%) Oracle Database
7 1 (9.09%) Oracle Database 11g
7 1 (9.09%) Oracle Database 12c
7 1 (9.09%) Oracle OLAP
7 1 (9.09%) SQL Server 2005
Development Applications
1 1 (9.09%) Team Foundation Server
1 1 (9.09%) TeamCity
General
1 6 (54.55%) Finance
2 4 (36.36%) Advertising
3 3 (27.27%) Banking
4 2 (18.18%) Retail
4 2 (18.18%) Retail Banking
4 2 (18.18%) Retail Finance
5 1 (9.09%) Electronics
5 1 (9.09%) International Banking
5 1 (9.09%) Pharmaceutical
Job Titles
1 7 (63.64%) Developer
2 5 (45.45%) Database Developer
2 5 (45.45%) SQL Developer
3 4 (36.36%) SQL Database Developer
4 3 (27.27%) Architect
4 3 (27.27%) Solutions Architect
4 3 (27.27%) T-SQL Developer
5 1 (9.09%) Administrator
5 1 (9.09%) Business Intelligence Developer
5 1 (9.09%) C# Developer
5 1 (9.09%) DBA
5 1 (9.09%) Digital Architect
5 1 (9.09%) Digital Solutions Architect
5 1 (9.09%) Oracle Database Developer
5 1 (9.09%) Oracle Developer
5 1 (9.09%) Senior Database Developer
5 1 (9.09%) Senior Developer
5 1 (9.09%) Senior Oracle Developer
5 1 (9.09%) SSAS Developer
5 1 (9.09%) SSIS Developer
Libraries, Frameworks & Software Standards
1 3 (27.27%) JSON
1 3 (27.27%) Web Services
1 3 (27.27%) XML
2 1 (9.09%) MDX
Miscellaneous
1 4 (36.36%) Replication
2 3 (27.27%) Mainframe
3 1 (9.09%) Clustering
Operating Systems
1 4 (36.36%) Linux
1 4 (36.36%) Windows
2 3 (27.27%) Unix
Processes & Methodologies
1 7 (63.64%) Business Intelligence
1 7 (63.64%) ETL
2 5 (45.45%) Kimball Methodology
2 5 (45.45%) Performance Tuning
3 3 (27.27%) Data Analysis
3 3 (27.27%) SDLC
4 2 (18.18%) Agile Software Development
4 2 (18.18%) Multithreading
4 2 (18.18%) TOGAF
5 1 (9.09%) Continuous Delivery
5 1 (9.09%) Data Architecture
5 1 (9.09%) Data Modelling
5 1 (9.09%) Database Security
5 1 (9.09%) Digital Transformation Programme
5 1 (9.09%) High Availability
5 1 (9.09%) Migration
Programming Languages
1 7 (63.64%) SQL
2 5 (45.45%) T-SQL
3 1 (9.09%) C
3 1 (9.09%) C#
3 1 (9.09%) Data Analysis Expressions (DAX)
3 1 (9.09%) PowerShell
Qualifications
1 1 (9.09%) OCP
1 1 (9.09%) Oracle Certification
Vendors
1 7 (63.64%) Microsoft
2 2 (18.18%) TSYS
3 1 (9.09%) Oracle