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 25 March 2026, comparing them to the same period in the previous two years.

6 months to
25 Mar 2026
Same period 2025 Same period 2024
Rank 270 283 388
Rank change year-on-year +13 +105 -34
Permanent jobs citing Legacy Systems 133 112 94
As % of all permanent jobs in London 0.76% 0.86% 0.42%
As % of the Miscellaneous category 2.02% 1.92% 1.04%
Number of salaries quoted 89 54 80
10th Percentile £51,420 £38,750 £55,875
25th Percentile £62,500 £43,125 £65,492
Median annual salary (50th Percentile) £75,000 £62,500 £82,500
Median % change year-on-year +20.00% -24.24% -2.94%
75th Percentile £95,000 £95,938 £95,000
90th Percentile £120,000 £106,750 £127,500
England median annual salary £65,000 £52,500 £57,500
% change year-on-year +23.81% -8.70% -23.33%

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 6,573 5,821 9,010
As % of all permanent jobs advertised in London 37.51% 44.95% 40.73%
Number of salaries quoted 3,885 3,260 6,595
10th Percentile £37,500 £42,500 £38,000
25th Percentile £52,500 £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 £57,500 £60,000 £55,000
% change year-on-year -4.17% +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 25 March 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 25 March 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 +10 25 £65,000 -10.34% 33
South London +30 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 (9.02%) Appian
2 7 (5.26%) Confluence
3 3 (2.26%) SharePoint
4 2 (1.50%) Apache
4 2 (1.50%) Apache Airflow
5 1 (0.75%) Apache Spark
5 1 (0.75%) Jupyter
5 1 (0.75%) SAS
Applications
1 2 (1.50%) Microsoft Excel
2 1 (0.75%) Microsoft Office
2 1 (0.75%) MS Visio
2 1 (0.75%) Spreadsheet
Business Applications
1 3 (2.26%) Dynamics CRM
2 2 (1.50%) Aladdin
3 1 (0.75%) Sage 50
3 1 (0.75%) SAP S/4HANA
Cloud Services
1 51 (38.35%) Azure
2 17 (12.78%) Power Platform
3 15 (11.28%) Azure DevOps
4 13 (9.77%) Azure Data Factory
4 13 (9.77%) Power Automate
5 12 (9.02%) Anthropic Claude
5 12 (9.02%) Azure AI
6 9 (6.77%) AWS
6 9 (6.77%) SaaS
7 7 (5.26%) Entra ID
8 6 (4.51%) Azure Service Bus
8 6 (4.51%) Azure Synapse Analytics
8 6 (4.51%) Microsoft 365
8 6 (4.51%) PaaS
9 5 (3.76%) Azure Logic Apps
10 4 (3.01%) Azure Event Grid
10 4 (3.01%) Dynamics 365
10 4 (3.01%) GCP
11 3 (2.26%) GitHub
11 3 (2.26%) Miro
Communications & Networking
1 6 (4.51%) WAN
2 4 (3.01%) Firewall
3 2 (1.50%) Extranet
3 2 (1.50%) Intranet
3 2 (1.50%) SD-WAN
4 1 (0.75%) LAN
4 1 (0.75%) TCP/IP
4 1 (0.75%) Wi-Fi
Database & Business Intelligence
1 37 (27.82%) SQL Server
2 15 (11.28%) Power BI
3 13 (9.77%) SQL Server Integration Services
4 12 (9.02%) Pinecone
5 7 (5.26%) MySQL
6 5 (3.76%) Data Warehouse
7 3 (2.26%) BigQuery
7 3 (2.26%) Data Lake
7 3 (2.26%) Tableau
8 2 (1.50%) Azure SQL Database
8 2 (1.50%) Oracle Database
8 2 (1.50%) PostgreSQL
8 2 (1.50%) SQL Server Analysis Services
8 2 (1.50%) SQL Server Reporting Services
9 1 (0.75%) Delta Lake
9 1 (0.75%) IBM InfoSphere
9 1 (0.75%) Looker
9 1 (0.75%) Metadata
9 1 (0.75%) Relational Database
9 1 (0.75%) SAS EBI
Development Applications
1 12 (9.02%) MLflow
2 10 (7.52%) Octopus Deploy
2 10 (7.52%) TeamCity
3 7 (5.26%) JIRA
4 5 (3.76%) Git
5 3 (2.26%) JUnit
5 3 (2.26%) Storybook
6 2 (1.50%) GitLab
6 2 (1.50%) Jenkins
6 2 (1.50%) Maven
6 2 (1.50%) Synon
7 1 (0.75%) Cucumber
7 1 (0.75%) JMeter
7 1 (0.75%) LoadRunner
7 1 (0.75%) Plastic SCM
7 1 (0.75%) Selenium
General
1 65 (48.87%) Finance
2 48 (36.09%) Social Skills
3 16 (12.03%) Analytical Skills
4 13 (9.77%) Inclusion and Diversity
5 11 (8.27%) Banking
6 6 (4.51%) Law
6 6 (4.51%) Public Sector
7 5 (3.76%) Investment Banking
7 5 (3.76%) Legal
7 5 (3.76%) Retail
8 3 (2.26%) Financial Institution
8 3 (2.26%) Manufacturing
9 2 (1.50%) Front Office
9 2 (1.50%) Influencing Skills
9 2 (1.50%) Marketing
10 1 (0.75%) Advertising
10 1 (0.75%) Health Technology
10 1 (0.75%) International Banking
10 1 (0.75%) Mandarin Language
Job Titles
1 24 (18.05%) Architect
2 18 (13.53%) Analyst
3 16 (12.03%) Developer
3 16 (12.03%) Senior
4 12 (9.02%) Artificial Intelligence Engineer
4 12 (9.02%) Automation Engineer
4 12 (9.02%) Business Analyst
5 11 (8.27%) Consultant
6 10 (7.52%) DevOps Engineer
7 8 (6.02%) Lead
7 8 (6.02%) Technical Architect
8 6 (4.51%) Data Analyst
8 6 (4.51%) Enterprise Architect
8 6 (4.51%) Software Engineer
9 5 (3.76%) Data Engineer
9 5 (3.76%) Senior Architect
10 4 (3.01%) Azure Engineer
10 4 (3.01%) Cloud Architect
10 4 (3.01%) Lead Software Engineer
10 4 (3.01%) Transformation Manager
Libraries, Frameworks & Software Standards
1 20 (15.04%) .NET
2 19 (14.29%) REST
3 16 (12.03%) Web Services
4 14 (10.53%) Flask
4 14 (10.53%) OpenAPI
4 14 (10.53%) Pandas
4 14 (10.53%) RESTful
4 14 (10.53%) Swagger
5 13 (9.77%) Django
5 13 (9.77%) FastAPI
5 13 (9.77%) pytest
6 12 (9.02%) Faiss
6 12 (9.02%) Hugging Face
6 12 (9.02%) JWT
6 12 (9.02%) NumPy
6 12 (9.02%) OAuth
6 12 (9.02%) PyTorch
6 12 (9.02%) scikit-learn
6 12 (9.02%) TensorFlow
7 7 (5.26%) React
Miscellaneous
1 19 (14.29%) Cloud Native
2 12 (9.02%) Low-Code
3 10 (7.52%) Hybrid Cloud
3 10 (7.52%) Virtual Team
4 6 (4.51%) Fixed Income
5 5 (3.76%) Management Information System
6 4 (3.01%) Derivative
6 4 (3.01%) Foreign Exchange (FX)
6 4 (3.01%) Product Ownership
7 3 (2.26%) Cyber Threat
7 3 (2.26%) Data Structures
7 3 (2.26%) Distributed Architecture
7 3 (2.26%) Learning Management System
8 2 (1.50%) Analytical Mindset
8 2 (1.50%) CMDB
8 2 (1.50%) Data Protection Act
8 2 (1.50%) Enterprise Software
8 2 (1.50%) Legacy Applications
8 2 (1.50%) Shadow IT
9 1 (0.75%) Distributed Systems
Operating Systems
1 3 (2.26%) Windows
2 2 (1.50%) VMS
3 1 (0.75%) Linux
3 1 (0.75%) Windows Server
Processes & Methodologies
1 46 (34.59%) Migration
2 39 (29.32%) AI
2 39 (29.32%) CI/CD
2 39 (29.32%) DevOps
3 27 (20.30%) Stakeholder Management
4 26 (19.55%) Roadmaps
5 25 (18.80%) Data Modelling
5 25 (18.80%) Problem-Solving
6 23 (17.29%) Machine Learning
6 23 (17.29%) User Acceptance Testing
7 22 (16.54%) API Integration
7 22 (16.54%) Requirements Gathering
8 21 (15.79%) Agile
9 20 (15.04%) Validation
10 19 (14.29%) Business Intelligence
10 19 (14.29%) OO
11 18 (13.53%) ETL
12 17 (12.78%) Continuous Improvement
12 17 (12.78%) Test Automation
12 17 (12.78%) Workflow
Programming Languages
1 41 (30.83%) SQL
2 27 (20.30%) Python
3 15 (11.28%) PowerShell
4 10 (7.52%) Java
5 9 (6.77%) C#
6 8 (6.02%) Delphi
7 7 (5.26%) JavaScript
7 7 (5.26%) Pascal
8 3 (2.26%) TypeScript
9 2 (1.50%) Bash
9 2 (1.50%) Bicep
9 2 (1.50%) Go
9 2 (1.50%) RPG
9 2 (1.50%) Ruby
9 2 (1.50%) X++
10 1 (0.75%) C++
10 1 (0.75%) PHP
10 1 (0.75%) PL/SQL
10 1 (0.75%) Scala
10 1 (0.75%) T-SQL
Qualifications
1 9 (6.77%) Degree
2 6 (4.51%) Computer Science Degree
3 5 (3.76%) SC Cleared
3 5 (3.76%) Security Cleared
4 2 (1.50%) Azure Certification
4 2 (1.50%) Master's Degree
4 2 (1.50%) Microsoft Certification
4 2 (1.50%) PhD
5 1 (0.75%) ACCA
5 1 (0.75%) CIMA
Quality Assurance & Compliance
1 20 (15.04%) Data Quality
2 13 (9.77%) QA
3 7 (5.26%) Accessibility
4 4 (3.01%) ISO/IEC 27001
5 3 (2.26%) COBIT
6 1 (0.75%) Actionable Recommendations
6 1 (0.75%) GDPR
6 1 (0.75%) NIST
System Software
1 16 (12.03%) Docker
2 1 (0.75%) Active Directory
2 1 (0.75%) VMware ESXi
2 1 (0.75%) VMware Infrastructure
2 1 (0.75%) VMware Server
2 1 (0.75%) vSphere
Systems Management
1 22 (16.54%) Kubernetes
2 17 (12.78%) Terraform
3 2 (1.50%) Ansible
3 2 (1.50%) Grafana
4 1 (0.75%) Kibana
4 1 (0.75%) Microsoft Intune
4 1 (0.75%) vCenter Server
4 1 (0.75%) ZABBIX
Vendors
1 28 (21.05%) Microsoft
2 12 (9.02%) Automation Anywhere
2 12 (9.02%) OpenAI
2 12 (9.02%) Oracle
2 12 (9.02%) UiPath
3 6 (4.51%) ServiceNow
4 5 (3.76%) Sage
5 4 (3.01%) Concur
6 3 (2.26%) AppDynamics
6 3 (2.26%) Google
6 3 (2.26%) Guidewire
6 3 (2.26%) Pega
6 3 (2.26%) Sitecore
6 3 (2.26%) VMware
7 2 (1.50%) Bloomberg
7 2 (1.50%) Charles River
7 2 (1.50%) Cisco
7 2 (1.50%) IBM
7 2 (1.50%) Salesforce
7 2 (1.50%) SAP