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 21 May 2026, comparing them to the same period in the previous two years.

6 months to
21 May 2026
Same period 2025 Same period 2024
Rank 270 273 414
Rank change year-on-year +3 +141 -57
Permanent jobs citing Legacy Systems 139 106 85
As % of all permanent jobs in London 0.67% 0.86% 0.36%
As % of the Miscellaneous category 1.97% 1.95% 0.89%
Number of salaries quoted 94 52 70
10th Percentile £48,607 £42,500 £54,250
25th Percentile £62,500 £54,375 £66,563
Median annual salary (50th Percentile) £75,250 £72,500 £82,500
Median % change year-on-year +3.79% -12.12% -2.94%
75th Percentile £100,000 £95,313 £107,500
90th Percentile £130,000 £105,000 £145,000
England median annual salary £65,000 £62,500 £57,500
% change year-on-year +4.00% +8.70% -12.21%

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 7,058 5,437 9,592
As % of all permanent jobs advertised in London 34.05% 44.30% 40.95%
Number of salaries quoted 4,289 3,150 6,796
10th Percentile £41,000 £41,250 £37,500
25th Percentile £55,000 £56,250 £51,250
Median annual salary (50th Percentile) £78,125 £80,000 £75,000
Median % change year-on-year -2.34% +6.67% -
75th Percentile £100,000 £110,000 £100,000
90th Percentile £122,500 £136,250 £130,000
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 21 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 21 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 -17 24 £82,500 +10.00% 12
South London - 4 £42,750 -
West London -22 2 £80,000 +28.00% 5
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 10 (7.19%) Appian
2 8 (5.76%) Confluence
3 1 (0.72%) Anypoint
3 1 (0.72%) CICS
3 1 (0.72%) Jupyter
3 1 (0.72%) Microsoft Exchange
3 1 (0.72%) Mule
3 1 (0.72%) NServiceBus
3 1 (0.72%) SharePoint
Applications
1 3 (2.16%) MS Visio
2 1 (0.72%) Microsoft Excel
2 1 (0.72%) Spreadsheet
Business Applications
1 3 (2.16%) SAP S/4HANA
2 2 (1.44%) Aladdin
2 2 (1.44%) 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 38 (27.34%) Azure
2 14 (10.07%) Power Platform
3 13 (9.35%) AWS
4 10 (7.19%) Anthropic Claude
4 10 (7.19%) Azure AI
4 10 (7.19%) Azure Data Factory
4 10 (7.19%) Power Automate
5 7 (5.04%) Azure DevOps
5 7 (5.04%) Entra ID
6 6 (4.32%) Azure Synapse Analytics
6 6 (4.32%) Microsoft 365
6 6 (4.32%) SaaS
7 5 (3.60%) Azure Service Bus
7 5 (3.60%) GCP
7 5 (3.60%) PaaS
7 5 (3.60%) Serverless
8 4 (2.88%) Azure Event Grid
8 4 (2.88%) Azure Logic Apps
9 3 (2.16%) Figma
9 3 (2.16%) Miro
Communications & Networking
1 7 (5.04%) Network Security
2 5 (3.60%) WAN
3 1 (0.72%) Broadband
3 1 (0.72%) DHCP
3 1 (0.72%) DNS
3 1 (0.72%) Firewall
3 1 (0.72%) SAN
3 1 (0.72%) SD-WAN
3 1 (0.72%) SSL
3 1 (0.72%) Wireless
Database & Business Intelligence
1 20 (14.39%) SQL Server
2 12 (8.63%) Power BI
3 10 (7.19%) Pinecone
4 7 (5.04%) SQL Server Integration Services
5 6 (4.32%) Data Warehouse
5 6 (4.32%) DB2
5 6 (4.32%) PostgreSQL
6 5 (3.60%) Data Lake
7 3 (2.16%) BigQuery
7 3 (2.16%) Tableau
8 2 (1.44%) DTS
8 2 (1.44%) Relational Database
9 1 (0.72%) Amazon Athena
9 1 (0.72%) Azure SQL Database
9 1 (0.72%) IBM InfoSphere
9 1 (0.72%) Looker
9 1 (0.72%) SAP BW
9 1 (0.72%) SAP Data Services
9 1 (0.72%) SQL Server Analysis Services
9 1 (0.72%) SQL Server Reporting Services
Development Applications
1 10 (7.19%) MLflow
2 7 (5.04%) JIRA
3 6 (4.32%) Octopus Deploy
3 6 (4.32%) TeamCity
4 4 (2.88%) Jenkins
4 4 (2.88%) JUnit
5 3 (2.16%) Git
5 3 (2.16%) JMeter
5 3 (2.16%) Storybook
6 2 (1.44%) Maven
6 2 (1.44%) Mockito
7 1 (0.72%) Bitbucket
7 1 (0.72%) Cucumber
7 1 (0.72%) GitLab
7 1 (0.72%) LoadRunner
7 1 (0.72%) Plastic SCM
7 1 (0.72%) Selenium
General
1 79 (56.83%) Finance
2 44 (31.65%) Social Skills
3 23 (16.55%) Analytical Skills
4 21 (15.11%) Inclusion and Diversity
5 15 (10.79%) Banking
6 12 (8.63%) Influencing Skills
7 8 (5.76%) Law
7 8 (5.76%) Public Sector
8 7 (5.04%) Cyber-Physical System
8 7 (5.04%) Investment Banking
8 7 (5.04%) Retail
9 4 (2.88%) Back Office
9 4 (2.88%) Financial Institution
9 4 (2.88%) Manufacturing
10 2 (1.44%) Advertising
10 2 (1.44%) Front Office
10 2 (1.44%) Legal
10 2 (1.44%) Marketing
Job Titles
1 35 (25.18%) Architect
2 23 (16.55%) Senior
3 15 (10.79%) Analyst
3 15 (10.79%) Developer
4 13 (9.35%) Senior Architect
5 10 (7.19%) Artificial Intelligence Engineer
5 10 (7.19%) Automation Engineer
5 10 (7.19%) Business Analyst
5 10 (7.19%) Lead
5 10 (7.19%) Software Engineer
5 10 (7.19%) Solutions Architect
6 7 (5.04%) Cybersecurity Engineer
6 7 (5.04%) Enterprise Architect
6 7 (5.04%) Java Developer
6 7 (5.04%) Research Engineer
6 7 (5.04%) Security Engineer
6 7 (5.04%) Senior Solutions Architect
6 7 (5.04%) Transformation Manager
7 6 (4.32%) DevOps Engineer
7 6 (4.32%) Technical Architect
Libraries, Frameworks & Software Standards
1 18 (12.95%) .NET
2 14 (10.07%) REST
2 14 (10.07%) Web Services
3 13 (9.35%) RESTful
4 11 (7.91%) FastAPI
4 11 (7.91%) Flask
4 11 (7.91%) JWT
4 11 (7.91%) OAuth
4 11 (7.91%) OpenAPI
4 11 (7.91%) React
4 11 (7.91%) Swagger
5 10 (7.19%) Django
5 10 (7.19%) Faiss
5 10 (7.19%) Hugging Face
5 10 (7.19%) NumPy
5 10 (7.19%) Pandas
5 10 (7.19%) pytest
5 10 (7.19%) PyTorch
5 10 (7.19%) scikit-learn
5 10 (7.19%) TensorFlow
Miscellaneous
1 24 (17.27%) Cloud Native
2 10 (7.19%) Low-Code
3 9 (6.47%) Fixed Income
4 8 (5.76%) AI Agents
4 8 (5.76%) Foreign Exchange (FX)
5 7 (5.04%) Derivative
5 7 (5.04%) Operational Technology
5 7 (5.04%) Virtual Team
6 6 (4.32%) Hybrid Cloud
6 6 (4.32%) Reinsurance
7 5 (3.60%) Distributed Systems
7 5 (3.60%) Product Ownership
8 3 (2.16%) iSeries
8 3 (2.16%) Learning Management System
8 3 (2.16%) Management Information System
9 2 (1.44%) AS400
9 2 (1.44%) Client/Server
9 2 (1.44%) Data Protection Act
9 2 (1.44%) EPoS
9 2 (1.44%) Replication
Operating Systems
1 3 (2.16%) Android
1 3 (2.16%) Apple iOS
2 1 (0.72%) Linux
Processes & Methodologies
1 43 (30.94%) AI
2 41 (29.50%) Migration
3 34 (24.46%) Agile
3 34 (24.46%) DevOps
4 33 (23.74%) Roadmaps
5 32 (23.02%) CI/CD
6 30 (21.58%) Machine Learning
7 29 (20.86%) Stakeholder Management
8 24 (17.27%) Data Modelling
8 24 (17.27%) Problem-Solving
9 23 (16.55%) Microservices
9 23 (16.55%) Software Engineering
10 22 (15.83%) User Acceptance Testing
11 21 (15.11%) Requirements Gathering
12 18 (12.95%) LLM
12 18 (12.95%) Validation
13 17 (12.23%) Analytics
13 17 (12.23%) Business Intelligence
13 17 (12.23%) Continuous Improvement
13 17 (12.23%) Test Automation
Programming Languages
1 34 (24.46%) SQL
2 32 (23.02%) Python
3 13 (9.35%) C#
3 13 (9.35%) Java
4 12 (8.63%) JavaScript
5 8 (5.76%) PowerShell
5 8 (5.76%) TypeScript
6 4 (2.88%) RPG
7 3 (2.16%) Go
7 3 (2.16%) Kotlin
7 3 (2.16%) Swift
8 2 (1.44%) Bash
8 2 (1.44%) C++
8 2 (1.44%) Ruby
8 2 (1.44%) Shell Script
8 2 (1.44%) X++
9 1 (0.72%) COBOL
9 1 (0.72%) JCL
9 1 (0.72%) Perl
9 1 (0.72%) PHP
Qualifications
1 17 (12.23%) Security Cleared
2 16 (11.51%) SC Cleared
3 12 (8.63%) Degree
4 9 (6.47%) Master's Degree
5 4 (2.88%) DBS Check
6 3 (2.16%) Computer Science Degree
7 2 (1.44%) Microsoft Certification
7 2 (1.44%) PhD
8 1 (0.72%) ACCA
8 1 (0.72%) Azure Certification
8 1 (0.72%) CIMA
Quality Assurance & Compliance
1 21 (15.11%) Data Quality
2 6 (4.32%) QA
3 5 (3.60%) Accessibility
4 2 (1.44%) GDPR
5 1 (0.72%) Actionable Recommendations
5 1 (0.72%) COBIT
5 1 (0.72%) ISO/IEC 27001
System Software
1 17 (12.23%) Docker
2 1 (0.72%) Active Directory
2 1 (0.72%) VMware Infrastructure
2 1 (0.72%) vSphere
Systems Management
1 19 (13.67%) Kubernetes
2 11 (7.91%) Terraform
3 3 (2.16%) Kibana
4 2 (1.44%) Ansible
5 1 (0.72%) CloudHub
5 1 (0.72%) Grafana
5 1 (0.72%) Single Sign-On
5 1 (0.72%) WhatsUp Gold
Vendors
1 21 (15.11%) Microsoft
2 10 (7.19%) Automation Anywhere
2 10 (7.19%) OpenAI
2 10 (7.19%) UiPath
3 9 (6.47%) Guidewire
4 5 (3.60%) Google
4 5 (3.60%) IBM
4 5 (3.60%) Sage
4 5 (3.60%) SAP
4 5 (3.60%) ServiceNow
5 4 (2.88%) Concur
6 3 (2.16%) Dynatrace
6 3 (2.16%) Oracle
6 3 (2.16%) Pega
6 3 (2.16%) Salesforce
6 3 (2.16%) Sitecore
6 3 (2.16%) Splunk
7 2 (1.44%) Bloomberg
7 2 (1.44%) Charles River
7 2 (1.44%) Citrix