Object-Oriented (OO)
UK

The table below provides summary statistics for permanent job vacancies 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 23 May 2025, comparing them to the same period in the previous two years.

6 months to
23 May 2025
Same period 2024 Same period 2023
Rank 175 200 115
Rank change year-on-year +25 -85 -26
Permanent jobs citing OO 1,001 1,471 2,952
As % of all permanent jobs advertised in the UK 1.83% 1.47% 2.99%
As % of the Processes & Methodologies category 1.95% 1.73% 3.13%
Number of salaries quoted 422 803 1,570
10th Percentile £31,250 £35,000 £42,975
25th Percentile £41,000 £41,250 £50,000
Median annual salary (50th Percentile) £55,000 £52,500 £62,500
Median % change year-on-year +4.76% -16.00% +4.17%
75th Percentile £70,000 £68,625 £82,500
90th Percentile £84,775 £92,500 £106,250
UK excluding London median annual salary £55,000 £50,000 £57,500
% change year-on-year +10.00% -13.04% +9.52%

All Process and Methodology Skills
UK

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.

Permanent vacancies with a requirement for process or methodology skills 51,236 85,141 94,313
As % of all permanent jobs advertised in the UK 93.86% 85.08% 95.58%
Number of salaries quoted 25,106 59,815 55,546
10th Percentile £29,250 £29,250 £34,000
25th Percentile £41,250 £40,000 £45,000
Median annual salary (50th Percentile) £57,500 £55,000 £61,000
Median % change year-on-year +4.55% -9.84% +1.67%
75th Percentile £75,000 £72,500 £81,250
90th Percentile £97,500 £92,500 £100,000
UK excluding London median annual salary £51,645 £50,000 £55,000
% change year-on-year +3.29% -9.09% +4.76%

OO
Job Vacancy Trend

Job postings citing OO as a proportion of all IT jobs advertised.

Job vacancy trend for OO in the UK

OO
Salary Trend

3-month moving average salary quoted in jobs citing OO.

Salary trend for OO in the UK

OO
Salary Histogram

Salary distribution for jobs citing OO over the 6 months to 23 May 2025.

Salary histogram for OO in the UK

OO
Top 17 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing OO within the UK over the 6 months to 23 May 2025. 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
Jobs
England +29 914 £55,000 +4.76% 1,944
UK excluding London +20 818 £55,000 +10.00% 1,774
North of England +86 503 £47,500 - 431
North West +66 451 £41,000 -8.89% 202
Work from Home +10 315 £50,000 - 1,231
London -21 143 £75,000 -11.76% 456
South East -17 121 £62,500 +19.05% 478
East of England +23 58 £55,000 +15.79% 247
Yorkshire +28 42 £70,000 +27.27% 167
Midlands -52 42 £40,101 -15.58% 280
Scotland 0 36 £75,000 +42.86% 114
South West +47 31 £48,918 +2.99% 205
West Midlands +24 26 £50,000 +5.26% 146
Wales +35 17 £35,117 -24.07% 43
East Midlands -59 13 £40,000 -11.11% 116
North East +43 10 £50,000 +17.65% 64
Northern Ireland +30 10 £55,000 +37.50% 38

OO
Co-occurring Skills and Capabilities 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 41 (4.10%) Apache
2 25 (2.50%) CMS
3 18 (1.80%) WordPress
4 12 (1.20%) Apache Spark
5 11 (1.10%) Drupal
5 11 (1.10%) Kinematics
6 10 (1.00%) Tomcat
7 8 (0.80%) nginx
8 5 (0.50%) Apache Airflow
8 5 (0.50%) Appian
8 5 (0.50%) Cloud Foundry
8 5 (0.50%) Confluence
9 4 (0.40%) GemFire
9 4 (0.40%) Microsoft Exchange
10 3 (0.30%) IIS
10 3 (0.30%) Oracle SOA Suite
11 1 (0.100%) Camunda
11 1 (0.100%) NServiceBus
11 1 (0.100%) SharePoint
Applications
1 12 (1.20%) Microsoft Office
2 4 (0.40%) Microsoft Excel
3 2 (0.20%) Simulink
4 1 (0.100%) GNU Octave
4 1 (0.100%) Trello
Business Applications
1 12 (1.20%) Oracle EBS
2 11 (1.10%) JDE OneWorld
2 11 (1.10%) NetSuite
3 3 (0.30%) SAP S/4HANA
4 1 (0.100%) Dynamics NAV
4 1 (0.100%) iTrent
4 1 (0.100%) SAP EWM
4 1 (0.100%) Visualfiles
Cloud Services
1 190 (18.98%) Azure
2 135 (13.49%) AWS
3 52 (5.19%) AWS CloudFormation
4 49 (4.90%) Amazon EKS
5 39 (3.90%) Azure DevOps
6 30 (3.00%) GitHub
7 28 (2.80%) GCP
8 13 (1.30%) Serverless
9 11 (1.10%) Amazon S3
9 11 (1.10%) Apigee
9 11 (1.10%) AWS Lambda
9 11 (1.10%) Boomi
9 11 (1.10%) Google Kubernetes Engine
9 11 (1.10%) SaaS
10 10 (1.00%) Azure Synapse Analytics
10 10 (1.00%) Power Platform
11 9 (0.90%) Amazon SQS
11 9 (0.90%) dbt
11 9 (0.90%) npm
12 8 (0.80%) Amazon ElastiCache
Communications & Networking
1 397 (39.66%) DNS
1 397 (39.66%) VPN
2 23 (2.30%) Wireshark
3 9 (0.90%) HTTP
4 4 (0.40%) 5G
4 4 (0.40%) SD-WAN
4 4 (0.40%) WAN
5 2 (0.20%) Ethernet
5 2 (0.20%) Modbus
5 2 (0.20%) Profibus
5 2 (0.20%) RTP
5 2 (0.20%) TCP/IP
5 2 (0.20%) Wi-Fi
6 1 (0.100%) Broadband
6 1 (0.100%) Internet
6 1 (0.100%) SMS
6 1 (0.100%) SSH
Database & Business Intelligence
1 104 (10.39%) SQL Server
2 68 (6.79%) MySQL
3 60 (5.99%) Elasticsearch
4 52 (5.19%) NoSQL
5 33 (3.30%) PostgreSQL
6 31 (3.10%) Relational Database
7 25 (2.50%) MongoDB
8 21 (2.10%) Big Data
9 10 (1.00%) Data Warehouse
9 10 (1.00%) RDBMS
10 9 (0.90%) Amazon Aurora
10 9 (0.90%) Amazon RDS
11 8 (0.80%) Amazon Athena
11 8 (0.80%) Azure SQL Database
11 8 (0.80%) Data Lake
11 8 (0.80%) Redis
12 7 (0.70%) NonStop SQL
13 6 (0.60%) Amazon Redshift
13 6 (0.60%) BigQuery
13 6 (0.60%) Hadoop
Development Applications
1 109 (10.89%) Git
2 36 (3.60%) Jenkins
2 36 (3.60%) JUnit
3 31 (3.10%) Visual Studio
4 28 (2.80%) Eclipse
5 26 (2.60%) Eclipse RCP
6 23 (2.30%) Maven
7 22 (2.20%) Selenium
8 19 (1.90%) SonarQube
9 18 (1.80%) Postman
10 16 (1.60%) GitLab
11 15 (1.50%) NUnit
12 13 (1.30%) TestNG
13 11 (1.10%) Bitbucket
13 11 (1.10%) Sonatype Nexus
13 11 (1.10%) TeamCity
14 10 (1.00%) Cucumber
14 10 (1.00%) JIRA
15 8 (0.80%) Mockito
15 8 (0.80%) Subversion
General
1 578 (57.74%) Finance
2 492 (49.15%) Inclusion and Diversity
3 486 (48.55%) Analytical Skills
4 125 (12.49%) Social Skills
5 46 (4.60%) Banking
6 34 (3.40%) Law
7 32 (3.20%) Front Office
8 29 (2.90%) Electronics
9 18 (1.80%) Public Sector
10 17 (1.70%) Manufacturing
10 17 (1.70%) Marketing
11 14 (1.40%) Aerospace
12 7 (0.70%) Legal
12 7 (0.70%) Retail
13 6 (0.60%) Advertising
13 6 (0.60%) Aviation
14 5 (0.50%) Games
14 5 (0.50%) Investment Banking
15 4 (0.40%) Retail Banking
15 4 (0.40%) Social Science
Job Titles
1 704 (70.33%) Developer
2 479 (47.85%) Software Developer
3 114 (11.39%) Software Engineer
4 105 (10.49%) Senior
5 57 (5.69%) Lead
6 51 (5.09%) PHP Developer
7 48 (4.80%) .NET Developer
8 45 (4.50%) C# Developer
9 37 (3.70%) Graduate
10 36 (3.60%) Graduate Developer
11 35 (3.50%) IT Graduate
11 35 (3.50%) Senior Software Engineer
12 31 (3.10%) Architect
12 31 (3.10%) Java Engineer
13 30 (3.00%) Senior Developer
14 27 (2.70%) Junior
15 25 (2.50%) Principal Engineer
15 25 (2.50%) Systems Engineer
16 23 (2.30%) Junior Software Engineer
16 23 (2.30%) Principal Systems Engineer
Libraries, Frameworks & Software Standards
1 204 (20.38%) .NET
2 171 (17.08%) CSS
3 150 (14.99%) HTML
4 82 (8.19%) React
5 69 (6.89%) jQuery
6 65 (6.49%) Node.js
7 62 (6.19%) ASP.NET
8 61 (6.09%) REST
9 59 (5.89%) RESTful
10 53 (5.29%) Middleware
11 50 (5.00%) Pandas
12 47 (4.70%) Spring
13 42 (4.20%) .NET Core
14 41 (4.10%) Kafka
14 41 (4.10%) Web Services
15 37 (3.70%) .NET Framework
15 37 (3.70%) AngularJS
16 36 (3.60%) XML
17 31 (3.10%) HTML5
18 30 (3.00%) CSS3
Miscellaneous
1 446 (44.56%) Cyberattack
2 52 (5.19%) Management Information System
3 47 (4.70%) Algorithms
4 38 (3.80%) Data Structures
5 27 (2.70%) Cloud Native
6 25 (2.50%) Equities
6 25 (2.50%) Product Ownership
7 20 (2.00%) Hedge funds
7 20 (2.00%) Robotics
8 14 (1.40%) Embedded Systems
8 14 (1.40%) Mobile App
9 13 (1.30%) Derivative
9 13 (1.30%) Virtual Team
10 9 (0.90%) Fixed Income
11 8 (0.80%) Enterprise Software
11 8 (0.80%) Life Science
11 8 (0.80%) Self-Motivation
12 7 (0.70%) Greenfield Project
13 6 (0.60%) Foreign Exchange (FX)
13 6 (0.60%) Legacy Code
Operating Systems
1 557 (55.64%) Linux
2 454 (45.35%) Android
3 70 (6.99%) Windows
4 17 (1.70%) Unix
5 7 (0.70%) Apple iOS
6 5 (0.50%) Robot Operating System
6 5 (0.50%) Windows Server
7 1 (0.100%) Embedded Linux
7 1 (0.100%) FreeRTOS
7 1 (0.100%) Red Hat Enterprise Linux
7 1 (0.100%) Solaris
7 1 (0.100%) VxWorks
Processes & Methodologies
1 742 (74.13%) OOP
2 675 (67.43%) Agile
3 534 (53.35%) Design Patterns
4 485 (48.45%) Mathematics
5 448 (44.76%) Android Development
6 447 (44.66%) Line Management
7 270 (26.97%) Software Engineering
8 174 (17.38%) CI/CD
9 154 (15.38%) Problem-Solving
10 111 (11.09%) OOD
11 102 (10.19%) Test Automation
12 96 (9.59%) Containerisation
13 95 (9.49%) Continuous Improvement
13 95 (9.49%) SDLC
14 88 (8.79%) Computer Science
15 80 (7.99%) DevOps
16 79 (7.89%) Microservices
17 74 (7.39%) MVC
17 74 (7.39%) Unit Testing
18 73 (7.29%) Collaborative Working
Programming Languages
1 667 (66.63%) Java
2 600 (59.94%) Python
3 562 (56.14%) C++
4 463 (46.25%) Go
5 230 (22.98%) C#
6 208 (20.78%) JavaScript
7 207 (20.68%) SQL
8 82 (8.19%) PHP
9 77 (7.69%) Rust
10 58 (5.79%) C
11 50 (5.00%) TypeScript
12 38 (3.80%) Ada
13 17 (1.70%) Scala
14 9 (0.90%) Bash
15 8 (0.80%) Perl
16 6 (0.60%) PowerShell
17 5 (0.50%) Ruby
18 4 (0.40%) ABAP
18 4 (0.40%) Shell Script
19 3 (0.30%) MATLAB
Qualifications
1 475 (47.45%) Security Cleared
2 453 (45.25%) DV Cleared
3 208 (20.78%) Degree
4 70 (6.99%) BPSS Clearance
5 69 (6.89%) Computer Science Degree
6 23 (2.30%) Chartered Engineer
7 22 (2.20%) Master's Degree
8 19 (1.90%) SC Cleared
9 7 (0.70%) PhD
10 5 (0.50%) ISTQB
11 3 (0.30%) Numerate Degree
12 2 (0.20%) AWS Certification
12 2 (0.20%) DBS Check
13 1 (0.100%) AWS Certified Developer
13 1 (0.100%) AWS Certified Solutions Architect
13 1 (0.100%) ITIL Certification
Quality Assurance & Compliance
1 29 (2.90%) QA
2 24 (2.40%) Accessibility
3 4 (0.40%) PMO
4 3 (0.30%) Data Quality
4 3 (0.30%) Def Stans
4 3 (0.30%) IEC 61508
5 2 (0.20%) IEC 61131
5 2 (0.20%) ISO/IEC 27001
5 2 (0.20%) NCSC
6 1 (0.100%) ISO 15022
6 1 (0.100%) ISO 20022
6 1 (0.100%) ISO 9001
System Software
1 504 (50.35%) Docker
2 4 (0.40%) VMware Infrastructure
3 2 (0.20%) Embedded Firmware
3 2 (0.20%) Firmware
Systems Management
1 461 (46.05%) Ansible
2 103 (10.29%) Kubernetes
3 83 (8.29%) Terraform
4 11 (1.10%) Istio
5 8 (0.80%) Kustomize
5 8 (0.80%) Packer
6 3 (0.30%) Grafana
6 3 (0.30%) Prometheus
Vendors
1 59 (5.89%) Oracle
2 48 (4.80%) Microsoft
3 14 (1.40%) Salesforce
4 11 (1.10%) Dell
4 11 (1.10%) Red Hat
5 10 (1.00%) Databricks
6 8 (0.80%) Okta
7 7 (0.70%) SAP
8 5 (0.50%) BiZZdesign
8 5 (0.50%) Black Duck
8 5 (0.50%) Sybase
8 5 (0.50%) TIBCO
8 5 (0.50%) UiPath
8 5 (0.50%) VMware
9 4 (0.40%) Agilent
9 4 (0.40%) F5
9 4 (0.40%) Solace
10 3 (0.30%) ANSYS
11 2 (0.20%) Apple
11 2 (0.20%) IBM