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

6 months to
5 May 2026
Same period 2025 Same period 2024
Rank 276 295 420
Rank change year-on-year +19 +125 -76
Permanent jobs citing Legacy Systems 137 109 82
As % of all permanent jobs in London 0.68% 0.86% 0.35%
As % of the Miscellaneous category 1.92% 1.93% 0.86%
Number of salaries quoted 99 52 68
10th Percentile £46,939 £38,750 £47,500
25th Percentile £62,500 £43,125 £63,218
Median annual salary (50th Percentile) £75,000 £67,500 £82,500
Median % change year-on-year +11.11% -18.18% -2.94%
75th Percentile £102,500 £95,313 £107,500
90th Percentile £130,000 £105,000 £136,250
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 7,154 5,652 9,490
As % of all permanent jobs advertised in London 35.35% 44.35% 40.66%
Number of salaries quoted 4,218 3,278 6,785
10th Percentile £40,000 £42,500 £37,500
25th Percentile £55,000 £56,250 £51,500
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 £125,000 £137,500 £127,500
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 5 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 5 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 +1 24 £82,500 +11.86% 30
South London - 3 £48,975 -
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 (8.76%) Appian
2 6 (4.38%) Confluence
3 2 (1.46%) Apache
3 2 (1.46%) Apache Airflow
4 1 (0.73%) CICS
4 1 (0.73%) Jupyter
4 1 (0.73%) NServiceBus
4 1 (0.73%) SharePoint
Applications
1 1 (0.73%) Microsoft Excel
1 1 (0.73%) MS Visio
1 1 (0.73%) Spreadsheet
Business Applications
1 2 (1.46%) Aladdin
1 2 (1.46%) Dynamics CRM
1 2 (1.46%) SAP S/4HANA
2 1 (0.73%) Misys Equation
2 1 (0.73%) Misys Midas
2 1 (0.73%) Sage 50
Cloud Services
1 39 (28.47%) Azure
2 14 (10.22%) Power Platform
3 12 (8.76%) Anthropic Claude
3 12 (8.76%) AWS
3 12 (8.76%) Azure AI
3 12 (8.76%) Azure Data Factory
3 12 (8.76%) Power Automate
4 10 (7.30%) Azure DevOps
5 8 (5.84%) SaaS
6 6 (4.38%) Azure Service Bus
6 6 (4.38%) Azure Synapse Analytics
6 6 (4.38%) Entra ID
7 5 (3.65%) Microsoft 365
8 4 (2.92%) Azure Event Grid
8 4 (2.92%) Azure Logic Apps
8 4 (2.92%) GCP
8 4 (2.92%) PaaS
9 3 (2.19%) Dynamics 365
9 3 (2.19%) Miro
9 3 (2.19%) Serverless
Communications & Networking
1 7 (5.11%) Network Security
2 4 (2.92%) WAN
3 2 (1.46%) Firewall
4 1 (0.73%) Broadband
Database & Business Intelligence
1 25 (18.25%) SQL Server
2 12 (8.76%) Pinecone
2 12 (8.76%) Power BI
3 7 (5.11%) SQL Server Integration Services
4 5 (3.65%) Data Warehouse
5 4 (2.92%) Data Lake
5 4 (2.92%) DB2
6 3 (2.19%) BigQuery
6 3 (2.19%) PostgreSQL
6 3 (2.19%) Tableau
7 2 (1.46%) Azure SQL Database
8 1 (0.73%) Amazon Athena
8 1 (0.73%) IBM InfoSphere
8 1 (0.73%) Looker
8 1 (0.73%) Metadata
8 1 (0.73%) SQL Server Analysis Services
8 1 (0.73%) SQL Server Reporting Services
Development Applications
1 12 (8.76%) MLflow
2 7 (5.11%) JIRA
3 6 (4.38%) Octopus Deploy
3 6 (4.38%) TeamCity
4 4 (2.92%) Git
5 3 (2.19%) Jenkins
5 3 (2.19%) JUnit
5 3 (2.19%) Storybook
6 2 (1.46%) Cucumber
6 2 (1.46%) GitLab
6 2 (1.46%) Maven
6 2 (1.46%) Selenium
7 1 (0.73%) Bitbucket
7 1 (0.73%) JMeter
7 1 (0.73%) LoadRunner
7 1 (0.73%) Plastic SCM
7 1 (0.73%) Synon
General
1 75 (54.74%) Finance
2 44 (32.12%) Social Skills
3 20 (14.60%) Inclusion and Diversity
4 18 (13.14%) Analytical Skills
5 13 (9.49%) Banking
6 9 (6.57%) Influencing Skills
7 7 (5.11%) Cyber-Physical System
8 6 (4.38%) Public Sector
9 5 (3.65%) Investment Banking
9 5 (3.65%) Law
9 5 (3.65%) Retail
10 4 (2.92%) Financial Institution
10 4 (2.92%) Manufacturing
11 3 (2.19%) Legal
12 2 (1.46%) Advertising
12 2 (1.46%) Back Office
12 2 (1.46%) Front Office
12 2 (1.46%) Marketing
13 1 (0.73%) Health Technology
13 1 (0.73%) Mandarin Language
Job Titles
1 28 (20.44%) Architect
2 22 (16.06%) Senior
3 16 (11.68%) Analyst
3 16 (11.68%) Developer
4 12 (8.76%) Artificial Intelligence Engineer
4 12 (8.76%) Automation Engineer
5 11 (8.03%) Business Analyst
5 11 (8.03%) Software Engineer
6 10 (7.30%) Lead
6 10 (7.30%) Senior Architect
7 7 (5.11%) Cybersecurity Engineer
7 7 (5.11%) Research Engineer
7 7 (5.11%) Security Engineer
7 7 (5.11%) Technical Architect
8 6 (4.38%) DevOps Engineer
9 5 (3.65%) Cloud Architect
9 5 (3.65%) Consultant
9 5 (3.65%) Data Analyst
9 5 (3.65%) Solutions Architect
9 5 (3.65%) Transformation Manager
Libraries, Frameworks & Software Standards
1 21 (15.33%) .NET
2 17 (12.41%) REST
3 16 (11.68%) Web Services
4 15 (10.95%) RESTful
5 14 (10.22%) Flask
5 14 (10.22%) OpenAPI
5 14 (10.22%) Pandas
5 14 (10.22%) Swagger
6 13 (9.49%) Django
6 13 (9.49%) FastAPI
6 13 (9.49%) pytest
7 12 (8.76%) Faiss
7 12 (8.76%) Hugging Face
7 12 (8.76%) JWT
7 12 (8.76%) NumPy
7 12 (8.76%) OAuth
7 12 (8.76%) PyTorch
7 12 (8.76%) React
7 12 (8.76%) scikit-learn
7 12 (8.76%) TensorFlow
Miscellaneous
1 26 (18.98%) Cloud Native
2 12 (8.76%) Low-Code
3 8 (5.84%) AI Agents
4 7 (5.11%) Fixed Income
4 7 (5.11%) Operational Technology
5 6 (4.38%) Foreign Exchange (FX)
5 6 (4.38%) Hybrid Cloud
5 6 (4.38%) Virtual Team
6 5 (3.65%) Derivative
6 5 (3.65%) Distributed Systems
6 5 (3.65%) Product Ownership
7 3 (2.19%) Cyber Threat
7 3 (2.19%) Data Structures
7 3 (2.19%) Distributed Architecture
7 3 (2.19%) Learning Management System
7 3 (2.19%) Management Information System
7 3 (2.19%) Reinsurance
8 2 (1.46%) AS400
8 2 (1.46%) Client/Server
8 2 (1.46%) Data Protection Act
Operating Systems
1 3 (2.19%) Android
1 3 (2.19%) Apple iOS
2 2 (1.46%) VMS
2 2 (1.46%) Windows
3 1 (0.73%) Linux
Processes & Methodologies
1 44 (32.12%) AI
1 44 (32.12%) Migration
2 40 (29.20%) DevOps
3 37 (27.01%) CI/CD
4 32 (23.36%) Machine Learning
5 31 (22.63%) Roadmaps
6 29 (21.17%) Agile
7 28 (20.44%) Stakeholder Management
8 26 (18.98%) Software Engineering
9 25 (18.25%) Data Modelling
10 23 (16.79%) Problem-Solving
11 22 (16.06%) Requirements Gathering
11 22 (16.06%) User Acceptance Testing
12 21 (15.33%) API Integration
13 20 (14.60%) LLM
13 20 (14.60%) Validation
14 19 (13.87%) Test Automation
15 18 (13.14%) ETL
15 18 (13.14%) Microservices
16 17 (12.41%) Data Pipeline
Programming Languages
1 37 (27.01%) SQL
2 36 (26.28%) Python
3 14 (10.22%) C#
4 13 (9.49%) Java
5 11 (8.03%) JavaScript
6 8 (5.84%) PowerShell
6 8 (5.84%) TypeScript
7 3 (2.19%) Go
7 3 (2.19%) Kotlin
7 3 (2.19%) RPG
7 3 (2.19%) Swift
8 2 (1.46%) Bash
8 2 (1.46%) Bicep
8 2 (1.46%) C++
8 2 (1.46%) Ruby
8 2 (1.46%) X++
9 1 (0.73%) COBOL
9 1 (0.73%) Delphi
9 1 (0.73%) RPG IV
9 1 (0.73%) Scala
Qualifications
1 14 (10.22%) Security Cleared
2 13 (9.49%) Degree
2 13 (9.49%) SC Cleared
3 9 (6.57%) Master's Degree
4 4 (2.92%) Computer Science Degree
4 4 (2.92%) DBS Check
5 2 (1.46%) Azure Certification
5 2 (1.46%) Microsoft Certification
5 2 (1.46%) PhD
6 1 (0.73%) ACCA
6 1 (0.73%) CIMA
Quality Assurance & Compliance
1 20 (14.60%) Data Quality
2 7 (5.11%) QA
3 5 (3.65%) Accessibility
4 3 (2.19%) COBIT
4 3 (2.19%) ISO/IEC 27001
5 1 (0.73%) Actionable Recommendations
5 1 (0.73%) GDPR
System Software
1 20 (14.60%) Docker
Systems Management
1 24 (17.52%) Kubernetes
2 13 (9.49%) Terraform
3 2 (1.46%) Ansible
3 2 (1.46%) Grafana
4 1 (0.73%) Kibana
Vendors
1 22 (16.06%) Microsoft
2 12 (8.76%) Automation Anywhere
2 12 (8.76%) OpenAI
2 12 (8.76%) UiPath
3 6 (4.38%) Guidewire
4 5 (3.65%) Google
4 5 (3.65%) Sage
5 4 (2.92%) Concur
5 4 (2.92%) IBM
5 4 (2.92%) Oracle
5 4 (2.92%) ServiceNow
6 3 (2.19%) AppDynamics
6 3 (2.19%) Pega
6 3 (2.19%) SAP
6 3 (2.19%) Sitecore
7 2 (1.46%) Bloomberg
7 2 (1.46%) Charles River
7 2 (1.46%) Citrix
7 2 (1.46%) New Relic
7 2 (1.46%) Salesforce