OO Jobs in the City of London

Object-Oriented (OO)
Central London > City of London

The table below provides summary statistics for permanent job vacancies advertised in the City of London requiring OO skills. It includes a benchmarking guide to the annual salaries offered in vacancies that cited OO over the 6 months leading up to 17 May 2025, comparing them to the same period in the previous two years.

6 months to
17 May 2025
Same period 2024 Same period 2023
Rank 115 131 91
Rank change year-on-year +16 -40 +3
Permanent jobs citing OO 23 51 155
As % of all permanent jobs advertised in the City of London 1.13% 1.53% 3.38%
As % of the Processes & Methodologies category 1.18% 1.66% 3.55%
Number of salaries quoted 16 26 144
10th Percentile £49,375 £56,250 £61,250
25th Percentile £56,250 £81,563 £73,750
Median annual salary (50th Percentile) £77,500 £105,000 £96,250
Median % change year-on-year -26.19% +9.09% +6.94%
75th Percentile £119,375 £143,750 £112,500
90th Percentile £140,000 £157,500 £134,375
Central London median annual salary £77,500 £97,500 £96,250
% change year-on-year -20.51% +1.30% +6.94%

All Process and Methodology Skills
City of London

OO 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 1,955 3,074 4,370
As % of all permanent jobs advertised in the City of London 95.97% 91.95% 95.19%
Number of salaries quoted 1,479 2,417 3,651
10th Percentile £41,750 £41,250 £42,750
25th Percentile £53,750 £55,000 £56,250
Median annual salary (50th Percentile) £75,000 £75,000 £75,000
Median % change year-on-year - - +3.45%
75th Percentile £97,500 £95,000 £98,000
90th Percentile £120,000 £112,500 £115,000
Central London median annual salary £75,000 £72,500 £75,000
% change year-on-year +3.45% -3.33% +3.45%

OO
Job Vacancy Trend in the City of London

Job postings citing OO as a proportion of all IT jobs advertised in the City of London.

Job vacancy trend for OO in the City of London

OO
Salary Trend in the City of London

3-month moving average salary quoted in jobs citing OO in the City of London.

Salary trend for OO in the City of London

OO
Salary Histogram in the City of London

Salary distribution for jobs citing OO in the City of London over the 6 months to 17 May 2025.

Salary histogram for OO in the City of London

OO
Co-occurring Skills and Capabilities in the City of London by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same employment type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 2 (8.70%) NServiceBus
2 1 (4.35%) CMS
2 1 (4.35%) Drupal
Applications
1 1 (4.35%) Microsoft Office
Cloud Services
1 15 (65.22%) Azure
2 6 (26.09%) AWS
3 3 (13.04%) Amazon EKS
3 3 (13.04%) AWS CloudFormation
4 2 (8.70%) Azure DevOps
4 2 (8.70%) Azure Service Bus
5 1 (4.35%) Azure AKS
5 1 (4.35%) GitHub
5 1 (4.35%) GitHub Actions
5 1 (4.35%) npm
Database & Business Intelligence
1 3 (13.04%) Elasticsearch
1 3 (13.04%) Relational Database
2 2 (8.70%) Crystal Reports
2 2 (8.70%) MySQL
2 2 (8.70%) SQL Server
3 1 (4.35%) Big Data
3 1 (4.35%) Hadoop
Development Applications
1 8 (34.78%) Git
2 3 (13.04%) Visual Studio
3 1 (4.35%) Jenkins
3 1 (4.35%) JMeter
3 1 (4.35%) JUnit
3 1 (4.35%) NeoLoad
3 1 (4.35%) Selenium
3 1 (4.35%) SpecFlow
3 1 (4.35%) Visual Studio Tools for Office
3 1 (4.35%) WebDriver
General
1 12 (52.17%) Finance
2 7 (30.43%) Analytical Skills
2 7 (30.43%) Social Skills
3 5 (21.74%) Inclusion and Diversity
4 2 (8.70%) Banking
4 2 (8.70%) Financial Institution
5 1 (4.35%) Marketing
5 1 (4.35%) Presentation Skills
Job Titles
1 13 (56.52%) Developer
2 5 (21.74%) Senior
2 5 (21.74%) Senior Software Engineer
2 5 (21.74%) Software Developer
2 5 (21.74%) Software Engineer
3 4 (17.39%) Quantitative Developer
4 3 (13.04%) Python Engineer
4 3 (13.04%) Python Software Engineer
5 2 (8.70%) .NET Developer
6 1 (4.35%) Lead
6 1 (4.35%) PHP Developer
6 1 (4.35%) QA Engineer
Libraries, Frameworks & Software Standards
1 11 (47.83%) .NET
2 6 (26.09%) CSS
2 6 (26.09%) HTML
3 3 (13.04%) .NET Core
3 3 (13.04%) FastAPI
3 3 (13.04%) Node.js
3 3 (13.04%) Pandas
4 2 (8.70%) JSON
4 2 (8.70%) LINQ
4 2 (8.70%) REST
4 2 (8.70%) Web Services
4 2 (8.70%) XBRL
5 1 (4.35%) AngularJS
5 1 (4.35%) FIX Protocol
5 1 (4.35%) Gherkin
5 1 (4.35%) Kafka
5 1 (4.35%) Vue
5 1 (4.35%) WPF
5 1 (4.35%) XML
5 1 (4.35%) YAML
Miscellaneous
1 3 (13.04%) Cyberattack
1 3 (13.04%) Reinsurance
2 2 (8.70%) Greenfield Project
2 2 (8.70%) Self-Motivation
3 1 (4.35%) Cloud Native
3 1 (4.35%) Distributed Systems
3 1 (4.35%) Mobile App
Operating Systems
1 4 (17.39%) Linux
2 3 (13.04%) Android
3 1 (4.35%) Windows
Processes & Methodologies
1 15 (65.22%) OOP
2 13 (56.52%) CI/CD
3 12 (52.17%) Agile
4 11 (47.83%) Software Engineering
5 8 (34.78%) Containerisation
6 6 (26.09%) DevOps
7 5 (21.74%) Analytics
7 5 (21.74%) Design Patterns
7 5 (21.74%) Problem-Solving
8 4 (17.39%) BDD
8 4 (17.39%) Dashboard Development
8 4 (17.39%) Data Management
8 4 (17.39%) Data Visualisation
8 4 (17.39%) Infrastructure as Code
8 4 (17.39%) Proprietary Trading
8 4 (17.39%) Refactoring
8 4 (17.39%) Software Testing
8 4 (17.39%) TDD
8 4 (17.39%) Technology Strategy
8 4 (17.39%) Visualisation
Programming Languages
1 11 (47.83%) C#
2 10 (43.48%) Python
3 8 (34.78%) SQL
4 7 (30.43%) Java
5 6 (26.09%) JavaScript
6 5 (21.74%) C++
7 3 (13.04%) Go
7 3 (13.04%) Rust
8 1 (4.35%) PHP
8 1 (4.35%) TypeScript
Qualifications
1 5 (21.74%) Degree
2 4 (17.39%) Master's Degree
2 4 (17.39%) PhD
3 3 (13.04%) DV Cleared
3 3 (13.04%) Security Cleared
4 1 (4.35%) Computer Science Degree
4 1 (4.35%) ISTQB
Quality Assurance & Compliance
1 1 (4.35%) QA
System Software
1 5 (21.74%) Docker
Systems Management
1 9 (39.13%) Kubernetes
2 6 (26.09%) Terraform
3 3 (13.04%) Ansible
Vendors
1 10 (43.48%) Microsoft