OOP Job Trends in the City of London

Object-Oriented Programming (OOP)
Central London > City of London

The table below provides summary statistics and salary benchmarking for jobs advertised in the City of London requiring OOP skills. It covers permanent job vacancies from the 6 months leading up to 21 October 2025, with comparisons to the same periods in the previous two years.

6 months to
21 Oct 2025
Same period 2024 Same period 2023
Rank 122 149 116
Rank change year-on-year +27 -33 +56
Permanent jobs citing OOP 4 21 58
As % of all permanent jobs in the City of London 0.25% 0.76% 1.84%
As % of the Processes & Methodologies category 0.26% 0.81% 1.93%
Number of salaries quoted 3 14 55
10th Percentile £69,750 £59,375 £52,500
25th Percentile £73,125 £85,563 £56,250
Median annual salary (50th Percentile) £82,500 £96,250 £65,000
Median % change year-on-year -14.29% +48.08% -31.58%
75th Percentile £99,375 £150,000 £81,875
90th Percentile £107,250 £187,500 £93,750
Central London median annual salary £85,000 £70,000 £70,000
% change year-on-year +21.43% - -26.32%

All Process and Methodology Skills
City of London

OOP falls under the Processes and Methodologies category. For comparison with the information above, the following table provides summary statistics for all permanent job vacancies requiring process or methodology skills in the City of London.

Permanent vacancies with a requirement for process or methodology skills 1,532 2,585 3,000
As % of all permanent jobs advertised in the City of London 95.93% 93.80% 95.06%
Number of salaries quoted 1,245 1,697 2,694
10th Percentile £40,000 £46,250 £41,250
25th Percentile £55,000 £55,000 £55,000
Median annual salary (50th Percentile) £75,000 £75,000 £74,500
Median % change year-on-year - +0.67% -0.67%
75th Percentile £96,250 £95,000 £95,000
90th Percentile £122,500 £115,000 £116,250
Central London median annual salary £75,000 £75,000 £72,500
% change year-on-year - +3.45% -

OOP
Job Vacancy Trend in the City of London

Historical trend showing the proportion of permanent IT job postings citing OOP relative to all permanent IT jobs advertised in the City of London.

OOP job vacancy trend in the City of London

OOP
Salary Trend in the City of London

Salary distribution trend for jobs in the City of London citing OOP.

Salary distribution trend for jobs in the City of London citing OOP

OOP
Salary Histogram in the City of London

Salary distribution for jobs citing OOP in the City of London over the 6 months to 21 October 2025.

Salary histogram for OOP in the City of London

OOP
Co-Occurring Skills & Capabilities in the City of London by Category

The following tables expand on the one above by listing co-occurrences grouped by category. They cover the same employment type, locality and period, with up to 20 co-occurrences shown in each category:

Application Platforms
1 1 (25.00%) Apache Spark
Cloud Services
1 2 (50.00%) AWS
2 1 (25.00%) Amazon EKS
2 1 (25.00%) Amazon ELB
2 1 (25.00%) Amazon S3
2 1 (25.00%) Azure
Database & Business Intelligence
1 1 (25.00%) Big Data
1 1 (25.00%) Delta Lake
1 1 (25.00%) DynamoDB
1 1 (25.00%) Hadoop
1 1 (25.00%) Metadata
1 1 (25.00%) Spark SQL
Development Applications
1 1 (25.00%) Cucumber
1 1 (25.00%) Git
1 1 (25.00%) Jenkins
1 1 (25.00%) JMeter
1 1 (25.00%) JUnit
1 1 (25.00%) MLflow
1 1 (25.00%) Selenium
1 1 (25.00%) WebDriver
General
1 1 (25.00%) Social Skills
Job Titles
1 2 (50.00%) Lead
2 1 (25.00%) Machine Learning Engineer
2 1 (25.00%) Operations Engineer
2 1 (25.00%) Python Engineer
2 1 (25.00%) Python Software Engineer
2 1 (25.00%) Software Engineer
2 1 (25.00%) Technical Leader
Libraries, Frameworks & Software Standards
1 1 (25.00%) Apache Thrift
1 1 (25.00%) CSS
1 1 (25.00%) FastAPI
1 1 (25.00%) HTML
1 1 (25.00%) JSON
1 1 (25.00%) Kafka
1 1 (25.00%) Keras
1 1 (25.00%) Lambda Expressions
1 1 (25.00%) Metaflow
1 1 (25.00%) NumPy
1 1 (25.00%) Pandas
1 1 (25.00%) PySpark
1 1 (25.00%) PyTorch
1 1 (25.00%) REST
1 1 (25.00%) scikit-learn
1 1 (25.00%) TensorFlow
1 1 (25.00%) YAML
Miscellaneous
1 1 (25.00%) Linux Command Line
1 1 (25.00%) Mobile App
1 1 (25.00%) Reinsurance
Operating Systems
1 1 (25.00%) Unix
Processes & Methodologies
1 3 (75.00%) OO
2 2 (50.00%) Agile
2 2 (50.00%) CI/CD
2 2 (50.00%) Unit Testing
3 1 (25.00%) AI
3 1 (25.00%) Containerisation
3 1 (25.00%) Data Science
3 1 (25.00%) Deployment Automation
3 1 (25.00%) Domain-Driven Design
3 1 (25.00%) Full-Stack Development
3 1 (25.00%) Information Security
3 1 (25.00%) MLOps
3 1 (25.00%) OWASP
3 1 (25.00%) Performance Testing
3 1 (25.00%) Software Engineering
3 1 (25.00%) Sprint Planning
3 1 (25.00%) TDD
3 1 (25.00%) Test Automation
3 1 (25.00%) Time Management
3 1 (25.00%) Visualisation
Programming Languages
1 2 (50.00%) C#
1 2 (50.00%) Java
1 2 (50.00%) Python
2 1 (25.00%) C++
2 1 (25.00%) SQL
Qualifications
1 1 (25.00%) DV Cleared
1 1 (25.00%) Security Cleared
Quality Assurance & Compliance
1 1 (25.00%) QA
System Software
1 1 (25.00%) Docker
Systems Management
1 2 (50.00%) Terraform
2 1 (25.00%) Kubeflow
2 1 (25.00%) Kubernetes
Vendors
1 1 (25.00%) Databricks