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 11 April 2026, comparing them to the same period in the previous two years.

6 months to
11 Apr 2026
Same period 2025 Same period 2024
Rank 290 290 396
Rank change year-on-year 0 +106 -50
Permanent jobs citing Legacy Systems 119 111 92
As % of all permanent jobs in London 0.63% 0.86% 0.41%
As % of the Miscellaneous category 1.73% 1.91% 0.99%
Number of salaries quoted 83 53 78
10th Percentile £52,500 £38,750 £51,000
25th Percentile £62,500 £43,125 £63,976
Median annual salary (50th Percentile) £75,000 £63,500 £82,500
Median % change year-on-year +18.11% -23.03% -2.94%
75th Percentile £102,500 £96,250 £99,063
90th Percentile £128,000 £105,000 £129,000
England median annual salary £65,000 £55,000 £60,000
% change year-on-year +18.18% -8.33% -16.97%

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 6,892 5,804 9,315
As % of all permanent jobs advertised in London 36.58% 45.04% 41.02%
Number of salaries quoted 4,051 3,301 6,733
10th Percentile £39,897 £42,500 £37,500
25th Percentile £55,000 £56,250 £52,500
Median annual salary (50th Percentile) £77,500 £80,000 £75,000
Median % change year-on-year -3.13% +6.67% -
75th Percentile £100,000 £110,000 £100,000
90th Percentile £125,000 £135,000 £125,000
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 11 April 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 11 April 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 +2 23 £75,000 - 35
South London +26 2 £48,975 -0.05% 1
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 (10.08%) Appian
2 6 (5.04%) Confluence
3 2 (1.68%) Apache
3 2 (1.68%) Apache Airflow
4 1 (0.84%) Apache Spark
4 1 (0.84%) CICS
4 1 (0.84%) Jupyter
4 1 (0.84%) SharePoint
Applications
1 1 (0.84%) Microsoft Excel
1 1 (0.84%) MS Visio
1 1 (0.84%) Spreadsheet
Business Applications
1 3 (2.52%) Dynamics CRM
2 2 (1.68%) Aladdin
3 1 (0.84%) Sage 50
3 1 (0.84%) SAP S/4HANA
Cloud Services
1 43 (36.13%) Azure
2 15 (12.61%) Power Platform
3 13 (10.92%) Power Automate
4 12 (10.08%) Anthropic Claude
4 12 (10.08%) Azure AI
4 12 (10.08%) Azure Data Factory
4 12 (10.08%) Azure DevOps
5 7 (5.88%) AWS
5 7 (5.88%) SaaS
6 6 (5.04%) Azure Service Bus
6 6 (5.04%) Azure Synapse Analytics
6 6 (5.04%) Entra ID
7 5 (4.20%) Azure Logic Apps
7 5 (4.20%) Microsoft 365
8 4 (3.36%) Azure Event Grid
8 4 (3.36%) Dynamics 365
8 4 (3.36%) GCP
8 4 (3.36%) PaaS
9 3 (2.52%) Figma
9 3 (2.52%) Miro
Communications & Networking
1 5 (4.20%) WAN
2 3 (2.52%) Firewall
3 2 (1.68%) SD-WAN
Database & Business Intelligence
1 25 (21.01%) SQL Server
2 13 (10.92%) Power BI
3 12 (10.08%) Pinecone
4 9 (7.56%) SQL Server Integration Services
5 5 (4.20%) Data Warehouse
6 3 (2.52%) BigQuery
6 3 (2.52%) Data Lake
6 3 (2.52%) PostgreSQL
6 3 (2.52%) Tableau
7 2 (1.68%) Azure SQL Database
7 2 (1.68%) DB2
8 1 (0.84%) Delta Lake
8 1 (0.84%) IBM InfoSphere
8 1 (0.84%) Looker
8 1 (0.84%) Metadata
8 1 (0.84%) SQL Server Analysis Services
8 1 (0.84%) SQL Server Reporting Services
Development Applications
1 12 (10.08%) MLflow
2 7 (5.88%) Octopus Deploy
2 7 (5.88%) TeamCity
3 6 (5.04%) JIRA
4 5 (4.20%) Git
5 3 (2.52%) Jenkins
5 3 (2.52%) JUnit
5 3 (2.52%) Storybook
6 2 (1.68%) Cucumber
6 2 (1.68%) GitLab
6 2 (1.68%) Maven
6 2 (1.68%) Selenium
7 1 (0.84%) Bitbucket
7 1 (0.84%) JMeter
7 1 (0.84%) LoadRunner
7 1 (0.84%) Plastic SCM
7 1 (0.84%) Synon
General
1 65 (54.62%) Finance
2 45 (37.82%) Social Skills
3 14 (11.76%) Analytical Skills
4 13 (10.92%) Inclusion and Diversity
5 11 (9.24%) Banking
6 5 (4.20%) Influencing Skills
6 5 (4.20%) Investment Banking
6 5 (4.20%) Law
6 5 (4.20%) Public Sector
6 5 (4.20%) Retail
7 4 (3.36%) Financial Institution
8 3 (2.52%) Legal
8 3 (2.52%) Manufacturing
9 2 (1.68%) Front Office
9 2 (1.68%) Marketing
10 1 (0.84%) Advertising
10 1 (0.84%) Health Technology
10 1 (0.84%) Mandarin Language
Job Titles
1 24 (20.17%) Architect
2 18 (15.13%) Senior
3 16 (13.45%) Analyst
4 13 (10.92%) Developer
5 12 (10.08%) Artificial Intelligence Engineer
5 12 (10.08%) Automation Engineer
6 11 (9.24%) Business Analyst
7 8 (6.72%) Lead
7 8 (6.72%) Software Engineer
7 8 (6.72%) Technical Architect
8 7 (5.88%) DevOps Engineer
8 7 (5.88%) Senior Architect
9 5 (4.20%) Cloud Architect
9 5 (4.20%) Data Analyst
9 5 (4.20%) Data Engineer
9 5 (4.20%) Transformation Manager
10 4 (3.36%) Consultant
10 4 (3.36%) Development Manager
10 4 (3.36%) Java Developer
10 4 (3.36%) Project Manager
Libraries, Frameworks & Software Standards
1 19 (15.97%) .NET
2 18 (15.13%) REST
3 16 (13.45%) Web Services
4 15 (12.61%) RESTful
5 14 (11.76%) Flask
5 14 (11.76%) OpenAPI
5 14 (11.76%) Pandas
5 14 (11.76%) Swagger
6 13 (10.92%) Django
6 13 (10.92%) FastAPI
6 13 (10.92%) pytest
7 12 (10.08%) Faiss
7 12 (10.08%) Hugging Face
7 12 (10.08%) JWT
7 12 (10.08%) NumPy
7 12 (10.08%) OAuth
7 12 (10.08%) PyTorch
7 12 (10.08%) scikit-learn
7 12 (10.08%) TensorFlow
8 10 (8.40%) React
Miscellaneous
1 25 (21.01%) Cloud Native
2 12 (10.08%) Low-Code
3 7 (5.88%) Fixed Income
3 7 (5.88%) Hybrid Cloud
3 7 (5.88%) Virtual Team
4 6 (5.04%) Foreign Exchange (FX)
5 5 (4.20%) Derivative
6 4 (3.36%) Product Ownership
7 3 (2.52%) Cyber Threat
7 3 (2.52%) Distributed Architecture
7 3 (2.52%) Learning Management System
7 3 (2.52%) Management Information System
8 2 (1.68%) Data Protection Act
8 2 (1.68%) Data Structures
8 2 (1.68%) Distributed Systems
8 2 (1.68%) Legacy Applications
9 1 (0.84%) Client/Server
9 1 (0.84%) Mainframe
9 1 (0.84%) Replication
9 1 (0.84%) VSAM
Operating Systems
1 2 (1.68%) Android
1 2 (1.68%) Apple iOS
1 2 (1.68%) VMS
1 2 (1.68%) Windows
2 1 (0.84%) Linux
Processes & Methodologies
1 47 (39.50%) Migration
2 39 (32.77%) DevOps
3 36 (30.25%) CI/CD
4 35 (29.41%) AI
5 28 (23.53%) Stakeholder Management
6 26 (21.85%) Roadmaps
7 25 (21.01%) Machine Learning
8 24 (20.17%) Data Modelling
9 23 (19.33%) Problem-Solving
10 22 (18.49%) Agile
10 22 (18.49%) API Integration
10 22 (18.49%) Requirements Gathering
10 22 (18.49%) User Acceptance Testing
11 20 (16.81%) Validation
12 18 (15.13%) Test Automation
13 17 (14.29%) Business Intelligence
13 17 (14.29%) Clean Code
13 17 (14.29%) ETL
14 16 (13.45%) Containerisation
14 16 (13.45%) Data Pipeline
Programming Languages
1 38 (31.93%) SQL
2 27 (22.69%) Python
3 12 (10.08%) Java
4 11 (9.24%) C#
4 11 (9.24%) PowerShell
5 9 (7.56%) JavaScript
6 5 (4.20%) TypeScript
7 2 (1.68%) Bash
7 2 (1.68%) Bicep
7 2 (1.68%) Go
7 2 (1.68%) Kotlin
7 2 (1.68%) Ruby
7 2 (1.68%) Swift
7 2 (1.68%) X++
8 1 (0.84%) C++
8 1 (0.84%) COBOL
8 1 (0.84%) PHP
8 1 (0.84%) PL/SQL
8 1 (0.84%) RPG
8 1 (0.84%) Scala
Qualifications
1 6 (5.04%) Degree
2 4 (3.36%) Computer Science Degree
2 4 (3.36%) SC Cleared
2 4 (3.36%) Security Cleared
3 2 (1.68%) Azure Certification
3 2 (1.68%) Master's Degree
3 2 (1.68%) Microsoft Certification
3 2 (1.68%) PhD
4 1 (0.84%) ACCA
4 1 (0.84%) CIMA
Quality Assurance & Compliance
1 20 (16.81%) Data Quality
2 6 (5.04%) QA
3 5 (4.20%) Accessibility
4 3 (2.52%) COBIT
4 3 (2.52%) ISO/IEC 27001
5 1 (0.84%) Actionable Recommendations
5 1 (0.84%) GDPR
System Software
1 18 (15.13%) Docker
2 1 (0.84%) VMware Server
Systems Management
1 24 (20.17%) Kubernetes
2 15 (12.61%) Terraform
3 2 (1.68%) Ansible
3 2 (1.68%) Grafana
4 1 (0.84%) Kibana
Vendors
1 24 (20.17%) Microsoft
2 12 (10.08%) Automation Anywhere
2 12 (10.08%) OpenAI
2 12 (10.08%) UiPath
3 5 (4.20%) Google
3 5 (4.20%) Sage
4 4 (3.36%) Concur
4 4 (3.36%) Guidewire
4 4 (3.36%) Oracle
4 4 (3.36%) ServiceNow
5 3 (2.52%) AppDynamics
5 3 (2.52%) Pega
5 3 (2.52%) Sitecore
5 3 (2.52%) VMware
6 2 (1.68%) Bloomberg
6 2 (1.68%) Charles River
6 2 (1.68%) IBM
6 2 (1.68%) New Relic
6 2 (1.68%) SAP
7 1 (0.84%) MuleSoft