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

6 months to
21 Apr 2026
Same period 2025 Same period 2024
Rank 286 294 410
Rank change year-on-year +8 +116 -43
Permanent jobs citing Legacy Systems 122 105 84
As % of all permanent jobs in London 0.63% 0.81% 0.36%
As % of the Miscellaneous category 1.73% 1.80% 0.90%
Number of salaries quoted 84 50 70
10th Percentile £52,430 £38,750 £47,500
25th Percentile £62,500 £43,125 £64,914
Median annual salary (50th Percentile) £75,000 £66,750 £82,500
Median % change year-on-year +12.36% -19.09% -2.94%
75th Percentile £101,250 £95,938 £106,563
90th Percentile £130,000 £105,250 £133,750
England median annual salary £65,000 £57,500 £56,250
% change year-on-year +13.04% +2.22% -19.64%

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 7,050 5,825 9,356
As % of all permanent jobs advertised in London 36.22% 45.08% 40.52%
Number of salaries quoted 4,134 3,322 6,690
10th Percentile £39,911 £42,275 £37,500
25th Percentile £55,000 £56,250 £52,000
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 £136,250 £125,125
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 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 21 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 -6 21 £78,750 +5.00% 26
South London +20 3 £48,975 -0.05% 3
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 (9.84%) Appian
2 6 (4.92%) Confluence
3 2 (1.64%) Apache
3 2 (1.64%) Apache Airflow
4 1 (0.82%) CICS
4 1 (0.82%) Jupyter
4 1 (0.82%) SharePoint
Applications
1 1 (0.82%) Microsoft Excel
1 1 (0.82%) MS Visio
1 1 (0.82%) Spreadsheet
Business Applications
1 2 (1.64%) Aladdin
1 2 (1.64%) Dynamics CRM
2 1 (0.82%) Sage 50
2 1 (0.82%) SAP S/4HANA
Cloud Services
1 38 (31.15%) Azure
2 14 (11.48%) Power Platform
3 12 (9.84%) Anthropic Claude
3 12 (9.84%) Azure AI
3 12 (9.84%) Azure Data Factory
3 12 (9.84%) Power Automate
4 10 (8.20%) Azure DevOps
5 9 (7.38%) AWS
6 8 (6.56%) SaaS
7 6 (4.92%) Azure Service Bus
7 6 (4.92%) Azure Synapse Analytics
7 6 (4.92%) Entra ID
8 5 (4.10%) Microsoft 365
9 4 (3.28%) Azure Event Grid
9 4 (3.28%) Azure Logic Apps
9 4 (3.28%) GCP
9 4 (3.28%) PaaS
10 3 (2.46%) Dynamics 365
10 3 (2.46%) Figma
10 3 (2.46%) Miro
Communications & Networking
1 5 (4.10%) WAN
2 3 (2.46%) Firewall
2 3 (2.46%) Network Security
3 1 (0.82%) Broadband
3 1 (0.82%) SD-WAN
Database & Business Intelligence
1 24 (19.67%) SQL Server
2 12 (9.84%) Pinecone
2 12 (9.84%) Power BI
3 7 (5.74%) SQL Server Integration Services
4 5 (4.10%) Data Warehouse
5 4 (3.28%) Data Lake
6 3 (2.46%) BigQuery
6 3 (2.46%) PostgreSQL
6 3 (2.46%) Tableau
7 2 (1.64%) Azure SQL Database
7 2 (1.64%) DB2
8 1 (0.82%) Amazon Athena
8 1 (0.82%) IBM InfoSphere
8 1 (0.82%) Looker
8 1 (0.82%) Metadata
8 1 (0.82%) SQL Server Analysis Services
8 1 (0.82%) SQL Server Reporting Services
Development Applications
1 12 (9.84%) MLflow
2 7 (5.74%) JIRA
3 6 (4.92%) Octopus Deploy
3 6 (4.92%) TeamCity
4 4 (3.28%) Git
5 3 (2.46%) Jenkins
5 3 (2.46%) JUnit
5 3 (2.46%) Storybook
6 2 (1.64%) Cucumber
6 2 (1.64%) GitLab
6 2 (1.64%) Maven
6 2 (1.64%) Selenium
7 1 (0.82%) Bitbucket
7 1 (0.82%) JMeter
7 1 (0.82%) LoadRunner
7 1 (0.82%) Plastic SCM
7 1 (0.82%) Synon
General
1 67 (54.92%) Finance
2 45 (36.89%) Social Skills
3 16 (13.11%) Inclusion and Diversity
4 15 (12.30%) Analytical Skills
5 11 (9.02%) Banking
6 7 (5.74%) Influencing Skills
7 5 (4.10%) Investment Banking
7 5 (4.10%) Law
7 5 (4.10%) Public Sector
7 5 (4.10%) Retail
8 4 (3.28%) Financial Institution
9 3 (2.46%) Cyber-Physical System
9 3 (2.46%) Legal
9 3 (2.46%) Manufacturing
10 2 (1.64%) Advertising
10 2 (1.64%) Front Office
10 2 (1.64%) Marketing
11 1 (0.82%) Health Technology
11 1 (0.82%) Mandarin Language
Job Titles
1 24 (19.67%) Architect
2 20 (16.39%) Senior
3 16 (13.11%) Analyst
4 13 (10.66%) Developer
5 12 (9.84%) Artificial Intelligence Engineer
5 12 (9.84%) Automation Engineer
6 11 (9.02%) Business Analyst
7 8 (6.56%) Lead
7 8 (6.56%) Senior Architect
7 8 (6.56%) Software Engineer
8 7 (5.74%) Technical Architect
9 6 (4.92%) DevOps Engineer
10 5 (4.10%) Cloud Architect
10 5 (4.10%) Consultant
10 5 (4.10%) Data Analyst
10 5 (4.10%) Java Developer
10 5 (4.10%) Transformation Manager
11 4 (3.28%) Development Manager
11 4 (3.28%) Project Manager
11 4 (3.28%) Solutions Architect
Libraries, Frameworks & Software Standards
1 18 (14.75%) .NET
1 18 (14.75%) REST
2 16 (13.11%) Web Services
3 15 (12.30%) RESTful
4 14 (11.48%) Flask
4 14 (11.48%) OpenAPI
4 14 (11.48%) Pandas
4 14 (11.48%) Swagger
5 13 (10.66%) Django
5 13 (10.66%) FastAPI
5 13 (10.66%) pytest
6 12 (9.84%) Faiss
6 12 (9.84%) Hugging Face
6 12 (9.84%) JWT
6 12 (9.84%) NumPy
6 12 (9.84%) OAuth
6 12 (9.84%) PyTorch
6 12 (9.84%) scikit-learn
6 12 (9.84%) TensorFlow
7 10 (8.20%) React
Miscellaneous
1 24 (19.67%) Cloud Native
2 12 (9.84%) Low-Code
3 7 (5.74%) Fixed Income
4 6 (4.92%) Foreign Exchange (FX)
4 6 (4.92%) Hybrid Cloud
4 6 (4.92%) Virtual Team
5 5 (4.10%) Derivative
5 5 (4.10%) Product Ownership
6 4 (3.28%) AI Agents
7 3 (2.46%) Cyber Threat
7 3 (2.46%) Data Structures
7 3 (2.46%) Distributed Architecture
7 3 (2.46%) Distributed Systems
7 3 (2.46%) Learning Management System
7 3 (2.46%) Management Information System
7 3 (2.46%) Operational Technology
8 2 (1.64%) Client/Server
8 2 (1.64%) Data Protection Act
8 2 (1.64%) Legacy Applications
8 2 (1.64%) Reinsurance
Operating Systems
1 3 (2.46%) Android
1 3 (2.46%) Apple iOS
2 2 (1.64%) VMS
2 2 (1.64%) Windows
3 1 (0.82%) Linux
Processes & Methodologies
1 45 (36.89%) Migration
2 37 (30.33%) AI
2 37 (30.33%) DevOps
3 34 (27.87%) CI/CD
4 28 (22.95%) Machine Learning
4 28 (22.95%) Roadmaps
4 28 (22.95%) Stakeholder Management
5 25 (20.49%) Data Modelling
6 23 (18.85%) Agile
7 22 (18.03%) Problem-Solving
7 22 (18.03%) Requirements Gathering
7 22 (18.03%) User Acceptance Testing
8 21 (17.21%) API Integration
9 20 (16.39%) Validation
10 18 (14.75%) ETL
10 18 (14.75%) Software Engineering
10 18 (14.75%) Test Automation
11 17 (13.93%) Clean Code
11 17 (13.93%) Data Pipeline
12 16 (13.11%) Containerisation
Programming Languages
1 35 (28.69%) SQL
2 30 (24.59%) Python
3 13 (10.66%) Java
4 10 (8.20%) C#
5 9 (7.38%) PowerShell
6 8 (6.56%) JavaScript
7 4 (3.28%) TypeScript
8 3 (2.46%) Kotlin
8 3 (2.46%) Swift
9 2 (1.64%) Bash
9 2 (1.64%) Bicep
9 2 (1.64%) Go
9 2 (1.64%) Ruby
9 2 (1.64%) X++
10 1 (0.82%) JCL
10 1 (0.82%) PHP
10 1 (0.82%) PL/SQL
10 1 (0.82%) RPG
10 1 (0.82%) Scala
10 1 (0.82%) T-SQL
Qualifications
1 9 (7.38%) Degree
2 8 (6.56%) Security Cleared
3 7 (5.74%) SC Cleared
4 5 (4.10%) Master's Degree
5 4 (3.28%) Computer Science Degree
6 2 (1.64%) Azure Certification
6 2 (1.64%) DBS Check
6 2 (1.64%) Microsoft Certification
6 2 (1.64%) PhD
7 1 (0.82%) ACCA
7 1 (0.82%) CIMA
Quality Assurance & Compliance
1 20 (16.39%) Data Quality
2 7 (5.74%) QA
3 5 (4.10%) Accessibility
4 3 (2.46%) COBIT
4 3 (2.46%) ISO/IEC 27001
5 1 (0.82%) Actionable Recommendations
5 1 (0.82%) GDPR
System Software
1 18 (14.75%) Docker
2 1 (0.82%) VMware Server
Systems Management
1 23 (18.85%) Kubernetes
2 13 (10.66%) Terraform
3 2 (1.64%) Ansible
3 2 (1.64%) Grafana
4 1 (0.82%) Kibana
Vendors
1 22 (18.03%) Microsoft
2 12 (9.84%) Automation Anywhere
2 12 (9.84%) OpenAI
2 12 (9.84%) UiPath
3 5 (4.10%) Google
3 5 (4.10%) Guidewire
3 5 (4.10%) Sage
4 4 (3.28%) Concur
4 4 (3.28%) Oracle
4 4 (3.28%) ServiceNow
5 3 (2.46%) AppDynamics
5 3 (2.46%) Pega
5 3 (2.46%) Sitecore
6 2 (1.64%) Bloomberg
6 2 (1.64%) Charles River
6 2 (1.64%) IBM
6 2 (1.64%) New Relic
6 2 (1.64%) Salesforce
6 2 (1.64%) SAP
6 2 (1.64%) VMware