Period
to 20 September 2021

The following table provides summary statistics for permanent job vacancies advertised in 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 September 2021 with a comparison to the same period in the previous 2 years.

Online Transaction Processing (OLTP)
England > London
6 months to
20 Sep 2021
Same period 2020 Same period 2019
Rank 634 448 664
Rank change year-on-year -186 +216 +72
Permanent jobs citing OLTP 77 38 83
As % of all permanent jobs advertised in London 0.16% 0.19% 0.15%
As % of the Database & Business Intelligence category 0.49% 0.65% 0.51%
Number of salaries quoted 64 21 77
10th Percentile £41,075 " £50,750
25th Percentile £52,500 £47,500 £58,750
Median annual salary (50th Percentile) £70,000 £70,000 £72,500
Median % change year-on-year - -3.45% +16.00%
75th Percentile £88,750 £110,000 £81,250
90th Percentile £95,875 £120,000 £85,000
England median annual salary £60,000 £51,750 £65,000
% change year-on-year +15.94% -20.38% +18.18%

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 London with a requirement for database or business intelligence skills.

All Database and Business Intelligence Skills
London
Permanent vacancies with a requirement for database or business intelligence skills 15,659 5,823 16,151
As % of all permanent IT jobs advertised in London 32.12% 28.79% 28.90%
Number of salaries quoted 9,237 4,857 13,495
10th Percentile £45,000 £42,500 £37,500
25th Percentile £53,750 £52,500 £48,750
Median annual salary (50th Percentile) £70,000 £70,000 £65,000
Median % change year-on-year - +7.69% +4.00%
75th Percentile £90,000 £87,500 £82,500
90th Percentile £107,500 £105,000 £97,500
England median annual salary £57,500 £55,000 £52,500
% change year-on-year +4.55% +4.76% +5.00%

OLTP
Job Vacancy Trend in London

Job postings citing OLTP as a proportion of all IT jobs advertised in London.

Job vacancy trend for OLTP in London

OLTP
Salary Trend in London

3-month moving average salary quoted in jobs citing OLTP in London.

Salary trend for OLTP in London

OLTP
Salary Histogram in London

Salary distribution for jobs citing OLTP in London over the 6 months to 20 September 2021.

Salary histogram for OLTP in London

OLTP
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing OLTP within the London region over the 6 months to 20 September 2021. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Central London -72 13 £78,750 -1.56%
South London -20 7 £65,000 +30.00% 1
OLTP
England

For the 6 months to 20 September 2021, IT 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 permanent job ads across the London region with a requirement for OLTP.

1 58 (75.32%) SQL
2 46 (59.74%) AWS
3 44 (57.14%) Agile Software Development
4 31 (40.26%) SQL Server
5 30 (38.96%) Data Modelling
6 29 (37.66%) Oracle
7 28 (36.36%) MySQL
8 27 (35.06%) NoSQL
9 26 (33.77%) Degree
10 25 (32.47%) Data Warehouse
10 25 (32.47%) Azure
11 22 (28.57%) Microsoft
11 22 (28.57%) Scrum
12 21 (27.27%) OLAP
12 21 (27.27%) Coaching
13 20 (25.97%) GCP
13 20 (25.97%) C#
13 20 (25.97%) Business Intelligence
14 19 (24.68%) .NET
14 19 (24.68%) Fintech
15 18 (23.38%) Robotic Control
15 18 (23.38%) Amazon DynamoDB
15 18 (23.38%) ASP.NET MVC
15 18 (23.38%) ASP.NET
15 18 (23.38%) Oracle Forms
15 18 (23.38%) ETL
15 18 (23.38%) WinForms
15 18 (23.38%) Pharmaceutical
15 18 (23.38%) MVC
15 18 (23.38%) TDD

OLTP
Co-occurring IT Skills in 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 (2.60%) Apache Airflow
1 2 (2.60%) Apache Pig
1 2 (2.60%) Apache Spark
Applications
1 1 (1.30%) Microsoft Excel
Cloud Services
1 46 (59.74%) AWS
2 25 (32.47%) Azure
3 20 (25.97%) GCP
4 15 (19.48%) Power Platform
5 14 (18.18%) Azure Data Factory
6 12 (15.58%) Serverless
7 10 (12.99%) Snowflake
8 7 (9.09%) Azure Stack
8 7 (9.09%) Cloud Computing
9 6 (7.79%) IaaS
9 6 (7.79%) PaaS
10 4 (5.19%) AWS Step Functions
10 4 (5.19%) Azure Synapse Analytics
11 2 (2.60%) Amazon S3
12 1 (1.30%) Azure Cosmos DB
12 1 (1.30%) Azure Machine Learning
12 1 (1.30%) Azure Service Bus
12 1 (1.30%) GitHub
12 1 (1.30%) SaaS
Database & Business Intelligence
1 31 (40.26%) SQL Server
2 28 (36.36%) MySQL
3 27 (35.06%) NoSQL
4 25 (32.47%) Data Warehouse
5 21 (27.27%) OLAP
6 18 (23.38%) Amazon DynamoDB
7 17 (22.08%) Amazon Redshift
7 17 (22.08%) PostgreSQL
7 17 (22.08%) Relational Database
8 15 (19.48%) Power BI
9 14 (18.18%) Amazon Aurora
9 14 (18.18%) Amazon RDS
10 11 (14.29%) Redis
10 11 (14.29%) Tableau
11 10 (12.99%) Microsoft Analysis Services
11 10 (12.99%) RDBMS
11 10 (12.99%) SQL Server Analysis Services
11 10 (12.99%) SQL Server Integration Services
11 10 (12.99%) SQL Server Reporting Services
12 9 (11.69%) Hadoop
Development Applications
1 18 (23.38%) Oracle Forms
1 18 (23.38%) Team Foundation Server
2 12 (15.58%) ER Studio
3 11 (14.29%) ERwin
3 11 (14.29%) PowerDesigner
4 5 (6.49%) Subversion
4 5 (6.49%) Toad
4 5 (6.49%) TortoiseSVN
5 2 (2.60%) JIRA
5 2 (2.60%) TeamCity
6 1 (1.30%) Jenkins
6 1 (1.30%) Visual Studio Team System
General
1 18 (23.38%) Pharmaceutical
2 17 (22.08%) Finance
3 11 (14.29%) Public Speaking
4 9 (11.69%) Banking
5 8 (10.39%) Social Skills
6 7 (9.09%) Advertising
7 5 (6.49%) Analytical Skills
8 4 (5.19%) Marketing
9 1 (1.30%) Investment Banking
9 1 (1.30%) Law
9 1 (1.30%) Multimedia
9 1 (1.30%) Retail
Job Titles
1 17 (22.08%) Architect
2 16 (20.78%) Data Engineer
3 13 (16.88%) Data Architect
4 12 (15.58%) Developer
5 11 (14.29%) Principal Engineer
6 8 (10.39%) DBA
6 8 (10.39%) Python Engineer
6 8 (10.39%) Software Developer
7 7 (9.09%) .NET Developer
7 7 (9.09%) .NET Software Developer
8 6 (7.79%) C# Developer
8 6 (7.79%) C# Software Developer
8 6 (7.79%) Development Team Leader
8 6 (7.79%) Team Leader
9 5 (6.49%) .NET Development Team Leader
9 5 (6.49%) .NET Team Leader
9 5 (6.49%) ASP.NET Developer
9 5 (6.49%) C# ASP.NET Developer
9 5 (6.49%) Software Development Team Leader
9 5 (6.49%) Software Team Leader
Libraries, Frameworks & Software Standards
1 19 (24.68%) .NET
2 18 (23.38%) ASP.NET
2 18 (23.38%) ASP.NET MVC
2 18 (23.38%) WinForms
3 11 (14.29%) Kafka
3 11 (14.29%) Spring
3 11 (14.29%) Spring Boot
4 6 (7.79%) WCF
5 4 (5.19%) PySpark
6 3 (3.90%) Apache Flex
7 2 (2.60%) Middleware
7 2 (2.60%) WPF
8 1 (1.30%) .NET Framework
8 1 (1.30%) JSON
8 1 (1.30%) REST
8 1 (1.30%) SOAP
8 1 (1.30%) XML
Miscellaneous
1 18 (23.38%) Biotechnology
2 11 (14.29%) Algorithms
2 11 (14.29%) Cloud Native
2 11 (14.29%) Life Science
2 11 (14.29%) Mobile App
3 8 (10.39%) Video\Live Streaming
4 7 (9.09%) CMDB
5 2 (2.60%) Blog
5 2 (2.60%) Derivative
5 2 (2.60%) Social Media
5 2 (2.60%) User Experience
6 1 (1.30%) Enterprise Software
6 1 (1.30%) Hybrid Cloud
6 1 (1.30%) New Media
6 1 (1.30%) Public Cloud
Operating Systems
1 11 (14.29%) Windows
2 1 (1.30%) Linux
Processes & Methodologies
1 44 (57.14%) Agile Software Development
2 30 (38.96%) Data Modelling
3 22 (28.57%) Scrum
4 21 (27.27%) Coaching
5 20 (25.97%) Business Intelligence
6 19 (24.68%) Fintech
7 18 (23.38%) Computer Science
7 18 (23.38%) ETL
7 18 (23.38%) Full Stack Development
7 18 (23.38%) MVC
7 18 (23.38%) Robotic Control
7 18 (23.38%) TDD
7 18 (23.38%) Test Automation
8 16 (20.78%) Data Architecture
9 14 (18.18%) DevOps
10 12 (15.58%) Domain-Driven Design
10 12 (15.58%) Event-Driven
10 12 (15.58%) Microservices
10 12 (15.58%) OO
10 12 (15.58%) Site Reliability Engineering
Programming Languages
1 58 (75.32%) SQL
2 20 (25.97%) C#
3 17 (22.08%) Python
4 13 (16.88%) JavaScript
5 12 (15.58%) Java
5 12 (15.58%) PowerShell
6 11 (14.29%) Kotlin
6 11 (14.29%) PL/SQL
7 1 (1.30%) Data Analysis Expressions (DAX)
7 1 (1.30%) Go
7 1 (1.30%) T-SQL
Qualifications
1 26 (33.77%) Degree
2 11 (14.29%) SC Cleared
2 11 (14.29%) Security Cleared
3 7 (9.09%) Master's Degree
Quality Assurance & Compliance
1 5 (6.49%) Data Quality
2 4 (5.19%) GDPR
2 4 (5.19%) PCI DSS
2 4 (5.19%) SOC 2
System Software
1 11 (14.29%) Docker
1 11 (14.29%) ISA Server
2 2 (2.60%) Apache Flume
Systems Management
1 12 (15.58%) Kubernetes
2 11 (14.29%) Grafana
2 11 (14.29%) Mesos
2 11 (14.29%) Prometheus
3 1 (1.30%) Ansible
3 1 (1.30%) Opscode Chef
3 1 (1.30%) Puppet
3 1 (1.30%) Terraform
Vendors
1 29 (37.66%) Oracle
2 22 (28.57%) Microsoft
3 11 (14.29%) Databricks
4 5 (6.49%) Google
5 2 (2.60%) Alteryx
5 2 (2.60%) Informatica
5 2 (2.60%) SAP
5 2 (2.60%) SnapLogic
5 2 (2.60%) Workday
6 1 (1.30%) Charles River