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 1 May 2025, comparing them to the same period in the previous two years.

6 months to
1 May 2025
Same period 2024 Same period 2023
Rank 146 205 117
Rank change year-on-year +59 -88 -29
Permanent jobs citing OO 1,068 1,454 3,096
As % of all permanent jobs advertised in the UK 2.05% 1.48% 2.98%
As % of the Processes & Methodologies category 2.20% 1.72% 3.12%
Number of salaries quoted 465 822 1,726
10th Percentile £31,250 £35,000 £43,750
25th Percentile £41,000 £41,250 £50,000
Median annual salary (50th Percentile) £55,000 £55,000 £62,500
Median % change year-on-year - -12.00% +4.17%
75th Percentile £70,000 £70,000 £83,750
90th Percentile £85,000 £93,625 £105,000
UK excluding London median annual salary £50,777 £50,000 £57,500
% change year-on-year +1.55% -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 48,568 84,685 99,386
As % of all permanent jobs advertised in the UK 93.32% 85.99% 95.63%
Number of salaries quoted 26,511 59,837 58,366
10th Percentile £30,500 £29,000 £34,000
25th Percentile £42,500 £40,000 £45,000
Median annual salary (50th Percentile) £57,500 £55,000 £61,500
Median % change year-on-year +4.55% -10.57% +2.50%
75th Percentile £76,009 £72,500 £82,500
90th Percentile £98,750 £92,500 £100,000
UK excluding London median annual salary £52,500 £50,000 £55,000
% change year-on-year +5.00% -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 1 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 1 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 +65 964 £55,000 - 591
UK excluding London +63 878 £50,777 +1.55% 416
North of England +101 522 £47,500 - 129
North West +79 464 £41,000 -8.89% 73
Work from Home +60 339 £50,000 - 391
London -8 148 £75,000 -11.76% 267
South East -3 126 £62,500 +19.05% 117
East of England +49 64 £55,000 +15.79% 43
Yorkshire +48 46 £68,750 +25.00% 37
Midlands -36 44 £40,101 -15.58% 47
South West +57 42 £48,918 +2.99% 43
Scotland +7 37 £75,000 +36.36% 42
Wales +58 29 £33,750 -25.00% 13
West Midlands +11 28 £51,750 +8.95% 20
Northern Ireland +29 14 £55,000 +37.50% 12
East Midlands -36 13 £40,000 -11.11% 20
North East +48 12 £52,500 +23.53% 20

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 39 (3.65%) Apache
2 28 (2.62%) CMS
3 19 (1.78%) WordPress
4 11 (1.03%) Confluence
4 11 (1.03%) Drupal
5 10 (0.94%) Tomcat
6 8 (0.75%) Apache Spark
6 8 (0.75%) Kinematics
6 8 (0.75%) nginx
7 4 (0.37%) Cloud Foundry
7 4 (0.37%) GemFire
8 3 (0.28%) IIS
9 2 (0.19%) Microsoft Exchange
9 2 (0.19%) NServiceBus
10 1 (0.094%) Camunda
10 1 (0.094%) Oracle SOA Suite
10 1 (0.094%) SharePoint
Applications
1 13 (1.22%) Microsoft Office
2 5 (0.47%) Microsoft Excel
3 2 (0.19%) Simulink
4 1 (0.094%) GNU Octave
4 1 (0.094%) Trello
Business Applications
1 12 (1.12%) Oracle EBS
2 11 (1.03%) JDE OneWorld
2 11 (1.03%) NetSuite
3 4 (0.37%) SAP S/4HANA
4 3 (0.28%) Dynamics CRM
5 1 (0.094%) Dynamics NAV
5 1 (0.094%) iTrent
5 1 (0.094%) SAP EWM
5 1 (0.094%) SAP PP
5 1 (0.094%) SAP SD
5 1 (0.094%) Sparx Enterprise Architect
5 1 (0.094%) Visualfiles
Cloud Services
1 198 (18.54%) Azure
2 143 (13.39%) AWS
3 52 (4.87%) AWS CloudFormation
4 49 (4.59%) Amazon EKS
5 39 (3.65%) Azure DevOps
6 37 (3.46%) GitHub
7 31 (2.90%) GCP
8 19 (1.78%) Serverless
9 16 (1.50%) AWS Lambda
9 16 (1.50%) IBM Cloud
10 12 (1.12%) npm
10 12 (1.12%) SaaS
11 11 (1.03%) Apigee
11 11 (1.03%) Boomi
11 11 (1.03%) Cloud Computing
11 11 (1.03%) Google Kubernetes Engine
12 10 (0.94%) Amazon S3
12 10 (0.94%) Azure Logic Apps
12 10 (0.94%) Azure Synapse Analytics
12 10 (0.94%) Power Platform
Communications & Networking
1 397 (37.17%) DNS
1 397 (37.17%) VPN
2 23 (2.15%) Wireshark
3 9 (0.84%) HTTP
4 4 (0.37%) 5G
4 4 (0.37%) SD-WAN
4 4 (0.37%) WAN
5 2 (0.19%) Ethernet
5 2 (0.19%) Modbus
5 2 (0.19%) Profibus
5 2 (0.19%) RTP
5 2 (0.19%) TCP/IP
5 2 (0.19%) Wi-Fi
6 1 (0.094%) FTP
6 1 (0.094%) Internet
6 1 (0.094%) Network Security
6 1 (0.094%) SMS
6 1 (0.094%) SSH
Database & Business Intelligence
1 112 (10.49%) SQL Server
2 74 (6.93%) MySQL
3 60 (5.62%) Elasticsearch
4 51 (4.78%) NoSQL
5 37 (3.46%) PostgreSQL
6 35 (3.28%) Relational Database
7 24 (2.25%) MongoDB
8 20 (1.87%) Big Data
9 12 (1.12%) Azure SQL Database
10 10 (0.94%) Data Warehouse
11 9 (0.84%) Amazon Aurora
11 9 (0.84%) Amazon Redshift
11 9 (0.84%) RDBMS
12 8 (0.75%) Amazon RDS
12 8 (0.75%) Data Lake
13 7 (0.66%) Amazon Athena
13 7 (0.66%) Redis
14 6 (0.56%) BigQuery
14 6 (0.56%) Hadoop
14 6 (0.56%) SQLite
Development Applications
1 144 (13.48%) Git
2 39 (3.65%) Maven
3 38 (3.56%) Visual Studio
4 37 (3.46%) JUnit
5 36 (3.37%) Jenkins
6 29 (2.72%) Eclipse
7 26 (2.43%) Eclipse RCP
8 20 (1.87%) GitLab
9 19 (1.78%) SonarQube
10 18 (1.69%) Postman
11 17 (1.59%) JIRA
11 17 (1.59%) Selenium
12 15 (1.40%) NUnit
13 14 (1.31%) TestNG
14 12 (1.12%) Bitbucket
15 11 (1.03%) Sonatype Nexus
15 11 (1.03%) webpack
16 10 (0.94%) Cucumber
16 10 (0.94%) TeamCity
17 9 (0.84%) Rational DOORS
General
1 573 (53.65%) Finance
2 500 (46.82%) Inclusion and Diversity
3 488 (45.69%) Analytical Skills
4 140 (13.11%) Social Skills
5 39 (3.65%) Banking
6 34 (3.18%) Public Sector
7 33 (3.09%) Front Office
8 31 (2.90%) Electronics
9 23 (2.15%) Aerospace
10 21 (1.97%) Manufacturing
11 20 (1.87%) Marketing
12 18 (1.69%) Law
13 12 (1.12%) Military
14 8 (0.75%) Retail
15 6 (0.56%) Advertising
15 6 (0.56%) Automotive
15 6 (0.56%) Games
15 6 (0.56%) Legal
15 6 (0.56%) Retail Banking
15 6 (0.56%) Social Science
Job Titles
1 727 (68.07%) Developer
2 481 (45.04%) Software Developer
3 143 (13.39%) Senior
4 128 (11.99%) Software Engineer
5 55 (5.15%) C# Developer
6 53 (4.96%) PHP Developer
7 51 (4.78%) Lead
8 44 (4.12%) .NET Developer
9 41 (3.84%) Java Engineer
9 41 (3.84%) Senior Software Engineer
10 36 (3.37%) Graduate
10 36 (3.37%) Senior Developer
11 35 (3.28%) Graduate Developer
12 34 (3.18%) IT Graduate
12 34 (3.18%) Systems Engineer
13 30 (2.81%) Junior
14 27 (2.53%) Principal Engineer
15 26 (2.43%) Data Engineer
16 25 (2.34%) Architect
16 25 (2.34%) Junior Software Engineer
Libraries, Frameworks & Software Standards
1 219 (20.51%) .NET
2 180 (16.85%) CSS
3 164 (15.36%) HTML
4 100 (9.36%) React
5 69 (6.46%) Node.js
6 68 (6.37%) RESTful
7 67 (6.27%) jQuery
8 65 (6.09%) REST
9 62 (5.81%) ASP.NET
10 51 (4.78%) Pandas
11 49 (4.59%) Middleware
12 47 (4.40%) AngularJS
13 46 (4.31%) .NET Core
14 43 (4.03%) Web Services
15 41 (3.84%) .NET Framework
16 39 (3.65%) Spring
17 38 (3.56%) XML
18 32 (3.00%) Vue
19 31 (2.90%) CSS3
19 31 (2.90%) HTML5
Miscellaneous
1 447 (41.85%) Cyberattack
2 53 (4.96%) Management Information System
3 49 (4.59%) Algorithms
4 44 (4.12%) Data Structures
5 24 (2.25%) Equities
6 23 (2.15%) Product Ownership
7 22 (2.06%) Hedge funds
8 20 (1.87%) Cloud Native
9 18 (1.69%) e-Learning
9 18 (1.69%) Embedded Systems
10 17 (1.59%) Robotics
11 16 (1.50%) Blockchain
11 16 (1.50%) Hybrid Cloud
11 16 (1.50%) Virtual Team
12 13 (1.22%) Mobile App
13 11 (1.03%) Self-Motivation
14 9 (0.84%) Legacy Code
15 8 (0.75%) Enterprise Software
15 8 (0.75%) Greenfield Project
15 8 (0.75%) Life Science
Operating Systems
1 563 (52.72%) Linux
2 454 (42.51%) Android
3 70 (6.55%) Windows
4 16 (1.50%) Unix
5 7 (0.66%) Apple iOS
6 5 (0.47%) Robot Operating System
7 3 (0.28%) Windows Server
8 1 (0.094%) Embedded Linux
8 1 (0.094%) FreeRTOS
8 1 (0.094%) Red Hat Enterprise Linux
8 1 (0.094%) Solaris
8 1 (0.094%) VxWorks
Processes & Methodologies
1 764 (71.54%) OOP
2 698 (65.36%) Agile
3 567 (53.09%) Design Patterns
4 503 (47.10%) Mathematics
5 448 (41.95%) Line Management
6 447 (41.85%) Android Development
7 298 (27.90%) Software Engineering
8 168 (15.73%) CI/CD
9 164 (15.36%) Problem-Solving
10 132 (12.36%) OOD
11 104 (9.74%) Computer Science
11 104 (9.74%) SDLC
12 101 (9.46%) Containerisation
13 98 (9.18%) Test Automation
14 97 (9.08%) DevOps
15 94 (8.80%) Mentoring
16 93 (8.71%) Continuous Improvement
17 84 (7.87%) Microservices
18 80 (7.49%) Unit Testing
19 76 (7.12%) TDD
Programming Languages
1 696 (65.17%) Java
2 608 (56.93%) Python
3 564 (52.81%) C++
4 464 (43.45%) Go
5 268 (25.09%) C#
6 218 (20.41%) JavaScript
7 217 (20.32%) SQL
8 85 (7.96%) PHP
9 77 (7.21%) Rust
10 65 (6.09%) TypeScript
11 60 (5.62%) C
12 38 (3.56%) Ada
13 17 (1.59%) Scala
14 15 (1.40%) Bash
15 6 (0.56%) Perl
15 6 (0.56%) PowerShell
16 5 (0.47%) ABAP
16 5 (0.47%) Ruby
16 5 (0.47%) T-SQL
17 4 (0.37%) Shell Script
Qualifications
1 485 (45.41%) Security Cleared
2 448 (41.95%) DV Cleared
3 243 (22.75%) Degree
4 77 (7.21%) Computer Science Degree
5 68 (6.37%) BPSS Clearance
6 27 (2.53%) Master's Degree
7 23 (2.15%) Chartered Engineer
8 17 (1.59%) SC Cleared
9 12 (1.12%) HND
10 9 (0.84%) HNC
11 6 (0.56%) PhD
12 5 (0.47%) ISTQB
13 4 (0.37%) Numerate Degree
14 2 (0.19%) DBS Check
15 1 (0.094%) ITIL Certification
Quality Assurance & Compliance
1 39 (3.65%) QA
2 26 (2.43%) Accessibility
3 4 (0.37%) Data Quality
3 4 (0.37%) Def Stans
3 4 (0.37%) IEC 61508
3 4 (0.37%) PMO
4 2 (0.19%) IEC 61131
4 2 (0.19%) ISO/IEC 27001
4 2 (0.19%) NCSC
4 2 (0.19%) SLA
5 1 (0.094%) ISO 15022
5 1 (0.094%) ISO 20022
5 1 (0.094%) ISO 9001
5 1 (0.094%) MiFID
System Software
1 510 (47.75%) Docker
2 2 (0.19%) Embedded Firmware
2 2 (0.19%) Firmware
Systems Management
1 456 (42.70%) Ansible
2 107 (10.02%) Kubernetes
3 77 (7.21%) Terraform
4 11 (1.03%) Istio
5 8 (0.75%) Kustomize
5 8 (0.75%) Packer
6 2 (0.19%) Grafana
6 2 (0.19%) MIIS
6 2 (0.19%) Prometheus
Vendors
1 53 (4.96%) Microsoft
2 52 (4.87%) Oracle
3 27 (2.53%) Red Hat
4 18 (1.69%) IBM
5 14 (1.31%) Salesforce
6 11 (1.03%) Dell
7 10 (0.94%) Databricks
8 8 (0.75%) Okta
8 8 (0.75%) SAP
9 7 (0.66%) ANSYS
10 5 (0.47%) Sybase
10 5 (0.47%) TIBCO
11 4 (0.37%) Agilent
11 4 (0.37%) F5
11 4 (0.37%) NVIDIA
11 4 (0.37%) Solace
12 3 (0.28%) Atlassian
12 3 (0.28%) EMC
12 3 (0.28%) Google
13 2 (0.19%) Apple