Legacy Systems Job Trends in London

Legacy System
England > London

The table below looks at the prevalence of the term Legacy Systems in permanent job vacancies in London. Included is a benchmarking guide to the salaries offered in vacancies that cited Legacy Systems over the 6 months leading up to 9 May 2026, comparing them to the same period in the previous two years.

6 months to
9 May 2026
Same period 2025 Same period 2024
Rank 267 275 432
Rank change year-on-year +8 +157 -80
Permanent jobs citing Legacy Systems 138 110 84
As % of all permanent jobs in London 0.68% 0.87% 0.36%
As % of the Miscellaneous category 1.95% 1.96% 0.88%
Number of salaries quoted 99 51 70
10th Percentile £46,939 £38,750 £47,500
25th Percentile £62,500 £46,188 £63,976
Median annual salary (50th Percentile) £75,000 £70,000 £82,500
Median % change year-on-year +7.14% -15.15% -2.94%
75th Percentile £106,250 £95,625 £107,500
90th Percentile £130,500 £105,000 £145,000
England median annual salary £65,000 £57,500 £57,500
% change year-on-year +13.04% - -14.81%

All Generic Skills
London

Legacy Systems falls under the General and Transferable Skills category. For comparison with the information above, the following table provides summary statistics for all permanent job vacancies requiring generic IT skills in London.

Permanent vacancies with a requirement for generic IT skills 7,091 5,605 9,538
As % of all permanent jobs advertised in London 34.80% 44.41% 40.77%
Number of salaries quoted 4,246 3,233 6,802
10th Percentile £40,500 £42,500 £37,500
25th Percentile £55,000 £56,250 £51,450
Median annual salary (50th Percentile) £80,000 £80,000 £75,000
Median % change year-on-year - +6.67% -
75th Percentile £100,000 £110,000 £100,000
90th Percentile £122,500 £137,500 £128,750
England median annual salary £60,000 £60,000 £55,000
% change year-on-year - +9.09% -15.38%

Legacy Systems
Job Vacancy Trend in London

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

Legacy Systems job vacancy trend in London

Legacy Systems
Salary Trend in London

Salary distribution trend for jobs in London citing Legacy Systems.

Salary distribution trend for jobs in London citing Legacy Systems

Legacy Systems
Salary Histogram in London

Salary distribution for jobs citing Legacy Systems in London over the 6 months to 9 May 2026.

Salary histogram for Legacy Systems in London

Legacy Systems
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Legacy Systems within the London region over the 6 months to 9 May 2026. 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
Central London -8 24 £82,500 +11.86% 27
South London - 2 £42,750 -
West London -28 1 £80,000 +28.00% 4
Legacy Systems
England

Legacy Systems
Co-Occurring Skills & Capabilities in 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 12 (8.70%) Appian
2 7 (5.07%) Confluence
3 2 (1.45%) Apache
3 2 (1.45%) Apache Airflow
4 1 (0.72%) CICS
4 1 (0.72%) Jupyter
4 1 (0.72%) NServiceBus
4 1 (0.72%) SharePoint
Applications
1 2 (1.45%) MS Visio
2 1 (0.72%) Microsoft Excel
2 1 (0.72%) Spreadsheet
Business Applications
1 3 (2.17%) SAP S/4HANA
2 2 (1.45%) Aladdin
2 2 (1.45%) Dynamics CRM
3 1 (0.72%) Misys Equation
3 1 (0.72%) Misys Midas
3 1 (0.72%) Sage 50
3 1 (0.72%) SAP MDG
Cloud Services
1 39 (28.26%) Azure
2 14 (10.14%) Power Platform
3 12 (8.70%) Anthropic Claude
3 12 (8.70%) AWS
3 12 (8.70%) Azure AI
3 12 (8.70%) Azure Data Factory
3 12 (8.70%) Power Automate
4 9 (6.52%) Azure DevOps
5 8 (5.80%) SaaS
6 6 (4.35%) Azure Synapse Analytics
6 6 (4.35%) Entra ID
7 5 (3.62%) Azure Service Bus
7 5 (3.62%) GCP
7 5 (3.62%) Microsoft 365
8 4 (2.90%) Azure Event Grid
8 4 (2.90%) Azure Logic Apps
8 4 (2.90%) PaaS
9 3 (2.17%) Dynamics 365
9 3 (2.17%) Figma
9 3 (2.17%) Miro
Communications & Networking
1 7 (5.07%) Network Security
2 4 (2.90%) WAN
3 2 (1.45%) Firewall
4 1 (0.72%) Broadband
Database & Business Intelligence
1 24 (17.39%) SQL Server
2 12 (8.70%) Pinecone
2 12 (8.70%) Power BI
3 7 (5.07%) SQL Server Integration Services
4 6 (4.35%) Data Warehouse
5 5 (3.62%) Data Lake
5 5 (3.62%) DB2
6 3 (2.17%) BigQuery
6 3 (2.17%) PostgreSQL
6 3 (2.17%) Tableau
7 1 (0.72%) Amazon Athena
7 1 (0.72%) Azure SQL Database
7 1 (0.72%) DTS
7 1 (0.72%) IBM InfoSphere
7 1 (0.72%) Looker
7 1 (0.72%) Metadata
7 1 (0.72%) SAP BW
7 1 (0.72%) SAP Data Services
7 1 (0.72%) SQL Server Analysis Services
7 1 (0.72%) SQL Server Reporting Services
Development Applications
1 12 (8.70%) MLflow
2 7 (5.07%) JIRA
3 6 (4.35%) Octopus Deploy
3 6 (4.35%) TeamCity
4 3 (2.17%) Git
4 3 (2.17%) Storybook
5 2 (1.45%) Jenkins
5 2 (1.45%) JUnit
5 2 (1.45%) Maven
6 1 (0.72%) Bitbucket
6 1 (0.72%) Cucumber
6 1 (0.72%) GitLab
6 1 (0.72%) JMeter
6 1 (0.72%) LoadRunner
6 1 (0.72%) Plastic SCM
6 1 (0.72%) Selenium
6 1 (0.72%) Synon
General
1 78 (56.52%) Finance
2 43 (31.16%) Social Skills
3 20 (14.49%) Inclusion and Diversity
4 19 (13.77%) Analytical Skills
5 13 (9.42%) Banking
6 10 (7.25%) Influencing Skills
7 7 (5.07%) Cyber-Physical System
8 6 (4.35%) Public Sector
9 5 (3.62%) Investment Banking
9 5 (3.62%) Law
9 5 (3.62%) Retail
10 4 (2.90%) Financial Institution
10 4 (2.90%) Manufacturing
11 3 (2.17%) Legal
12 2 (1.45%) Advertising
12 2 (1.45%) Back Office
12 2 (1.45%) Front Office
12 2 (1.45%) Marketing
13 1 (0.72%) Health Technology
13 1 (0.72%) Mandarin Language
Job Titles
1 30 (21.74%) Architect
2 22 (15.94%) Senior
3 16 (11.59%) Analyst
4 15 (10.87%) Developer
5 12 (8.70%) Artificial Intelligence Engineer
5 12 (8.70%) Automation Engineer
6 11 (7.97%) Business Analyst
6 11 (7.97%) Senior Architect
7 10 (7.25%) Software Engineer
8 9 (6.52%) Lead
9 7 (5.07%) Cybersecurity Engineer
9 7 (5.07%) Research Engineer
9 7 (5.07%) Security Engineer
9 7 (5.07%) Solutions Architect
10 6 (4.35%) DevOps Engineer
10 6 (4.35%) Technical Architect
11 5 (3.62%) Consultant
11 5 (3.62%) Data Analyst
11 5 (3.62%) Java Developer
11 5 (3.62%) Web Engineer
Libraries, Frameworks & Software Standards
1 20 (14.49%) .NET
2 16 (11.59%) REST
2 16 (11.59%) Web Services
3 15 (10.87%) RESTful
4 14 (10.14%) Pandas
5 13 (9.42%) FastAPI
5 13 (9.42%) Flask
5 13 (9.42%) OpenAPI
5 13 (9.42%) Swagger
6 12 (8.70%) Django
6 12 (8.70%) Faiss
6 12 (8.70%) Hugging Face
6 12 (8.70%) JWT
6 12 (8.70%) NumPy
6 12 (8.70%) OAuth
6 12 (8.70%) pytest
6 12 (8.70%) PyTorch
6 12 (8.70%) React
6 12 (8.70%) scikit-learn
6 12 (8.70%) TensorFlow
Miscellaneous
1 25 (18.12%) Cloud Native
2 12 (8.70%) Low-Code
3 8 (5.80%) AI Agents
4 7 (5.07%) Fixed Income
4 7 (5.07%) Operational Technology
5 6 (4.35%) Foreign Exchange (FX)
5 6 (4.35%) Hybrid Cloud
5 6 (4.35%) Virtual Team
6 5 (3.62%) Derivative
6 5 (3.62%) Distributed Systems
6 5 (3.62%) Product Ownership
7 4 (2.90%) Reinsurance
8 3 (2.17%) Cyber Threat
8 3 (2.17%) Data Structures
8 3 (2.17%) Distributed Architecture
8 3 (2.17%) Learning Management System
8 3 (2.17%) Management Information System
9 2 (1.45%) AS400
9 2 (1.45%) Client/Server
9 2 (1.45%) Legacy Applications
Operating Systems
1 3 (2.17%) Android
1 3 (2.17%) Apple iOS
2 2 (1.45%) VMS
2 2 (1.45%) Windows
3 1 (0.72%) Linux
Processes & Methodologies
1 45 (32.61%) AI
2 43 (31.16%) Migration
3 37 (26.81%) DevOps
4 35 (25.36%) CI/CD
5 34 (24.64%) Roadmaps
6 33 (23.91%) Machine Learning
7 30 (21.74%) Agile
7 30 (21.74%) Stakeholder Management
8 26 (18.84%) Data Modelling
9 24 (17.39%) Software Engineering
10 22 (15.94%) Problem-Solving
10 22 (15.94%) Requirements Gathering
10 22 (15.94%) User Acceptance Testing
11 20 (14.49%) LLM
11 20 (14.49%) Microservices
11 20 (14.49%) Validation
12 19 (13.77%) API Integration
12 19 (13.77%) ETL
13 18 (13.04%) Test Automation
14 17 (12.32%) Business Intelligence
Programming Languages
1 36 (26.09%) SQL
2 35 (25.36%) Python
3 13 (9.42%) C#
3 13 (9.42%) Java
4 11 (7.97%) JavaScript
5 8 (5.80%) PowerShell
5 8 (5.80%) TypeScript
6 4 (2.90%) RPG
7 3 (2.17%) Go
7 3 (2.17%) Kotlin
7 3 (2.17%) Swift
8 2 (1.45%) Bash
8 2 (1.45%) Bicep
8 2 (1.45%) C++
8 2 (1.45%) Ruby
8 2 (1.45%) X++
9 1 (0.72%) COBOL
9 1 (0.72%) Perl
9 1 (0.72%) PHP
9 1 (0.72%) PL/SQL
Qualifications
1 14 (10.14%) Security Cleared
2 13 (9.42%) SC Cleared
3 12 (8.70%) Degree
4 9 (6.52%) Master's Degree
5 4 (2.90%) DBS Check
6 3 (2.17%) Computer Science Degree
7 2 (1.45%) Microsoft Certification
7 2 (1.45%) PhD
8 1 (0.72%) ACCA
8 1 (0.72%) Azure Certification
8 1 (0.72%) CIMA
Quality Assurance & Compliance
1 21 (15.22%) Data Quality
2 7 (5.07%) QA
3 5 (3.62%) Accessibility
4 3 (2.17%) COBIT
4 3 (2.17%) ISO/IEC 27001
5 2 (1.45%) GDPR
6 1 (0.72%) Actionable Recommendations
System Software
1 19 (13.77%) Docker
Systems Management
1 23 (16.67%) Kubernetes
2 13 (9.42%) Terraform
3 2 (1.45%) Ansible
4 1 (0.72%) Grafana
4 1 (0.72%) Kibana
Vendors
1 20 (14.49%) Microsoft
2 12 (8.70%) Automation Anywhere
2 12 (8.70%) OpenAI
2 12 (8.70%) UiPath
3 7 (5.07%) Guidewire
4 5 (3.62%) Google
4 5 (3.62%) IBM
4 5 (3.62%) Sage
5 4 (2.90%) Concur
5 4 (2.90%) SAP
5 4 (2.90%) ServiceNow
6 3 (2.17%) AppDynamics
6 3 (2.17%) Oracle
6 3 (2.17%) Pega
6 3 (2.17%) Sitecore
7 2 (1.45%) Bloomberg
7 2 (1.45%) Charles River
7 2 (1.45%) Citrix
7 2 (1.45%) New Relic
7 2 (1.45%) Salesforce