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

6 months to
30 May 2026
Same period 2025 Same period 2024
Rank 277 270 423
Rank change year-on-year -7 +153 -69
Permanent jobs citing Legacy Systems 142 113 83
As % of all permanent jobs in London 0.68% 0.94% 0.35%
As % of the Miscellaneous category 1.98% 2.11% 0.86%
Number of salaries quoted 97 61 68
10th Percentile £50,276 £42,500 £52,750
25th Percentile £62,500 £56,250 £65,492
Median annual salary (50th Percentile) £77,500 £72,500 £81,250
Median % change year-on-year +6.90% -10.77% -4.41%
75th Percentile £100,000 £95,000 £107,500
90th Percentile £130,000 £105,000 £145,000
England median annual salary £65,000 £65,000 £55,000
% change year-on-year - +18.18% -15.38%

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 7,169 5,349 9,643
As % of all permanent jobs advertised in London 34.21% 44.46% 40.61%
Number of salaries quoted 4,373 3,016 6,789
10th Percentile £41,000 £41,250 £37,500
25th Percentile £55,000 £56,250 £51,250
Median annual salary (50th Percentile) £77,500 £80,000 £75,000
Median % change year-on-year -3.13% +6.67% -0.84%
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 30 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 30 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 -6 25 £82,500 +10.00% 9
South London - 4 £42,750 - 1
West London -21 3 £80,000 +28.00% 6
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 (7.04%) Confluence
2 9 (6.34%) Appian
3 3 (2.11%) Anypoint
3 3 (2.11%) Mule
4 2 (1.41%) Microsoft Exchange
5 1 (0.70%) CICS
5 1 (0.70%) Jupyter
5 1 (0.70%) NServiceBus
5 1 (0.70%) SharePoint
Applications
1 5 (3.52%) MS Visio
2 1 (0.70%) Spreadsheet
Business Applications
1 3 (2.11%) SAP S/4HANA
2 2 (1.41%) Aladdin
3 1 (0.70%) Dynamics CRM
3 1 (0.70%) Misys Equation
3 1 (0.70%) Misys Midas
3 1 (0.70%) Sage 50
3 1 (0.70%) SAP MDG
Cloud Services
1 40 (28.17%) Azure
2 16 (11.27%) AWS
3 10 (7.04%) Power Platform
4 9 (6.34%) Anthropic Claude
4 9 (6.34%) Azure AI
4 9 (6.34%) Azure Data Factory
4 9 (6.34%) Power Automate
5 7 (4.93%) Entra ID
6 6 (4.23%) Azure DevOps
6 6 (4.23%) Microsoft 365
6 6 (4.23%) PaaS
7 5 (3.52%) Azure Synapse Analytics
7 5 (3.52%) Lucidchart
7 5 (3.52%) SaaS
7 5 (3.52%) Serverless
8 4 (2.82%) Azure Event Grid
8 4 (2.82%) Azure Logic Apps
8 4 (2.82%) Azure Service Bus
8 4 (2.82%) GCP
9 3 (2.11%) Datadog
Communications & Networking
1 7 (4.93%) Network Security
2 6 (4.23%) WAN
3 3 (2.11%) SSL
4 2 (1.41%) DHCP
4 2 (1.41%) DNS
4 2 (1.41%) Firewall
4 2 (1.41%) SAN
4 2 (1.41%) SD-WAN
4 2 (1.41%) Wireless
5 1 (0.70%) Broadband
Database & Business Intelligence
1 19 (13.38%) SQL Server
2 9 (6.34%) Pinecone
2 9 (6.34%) Power BI
3 8 (5.63%) DB2
3 8 (5.63%) PostgreSQL
4 7 (4.93%) SQL Server Integration Services
5 6 (4.23%) Data Warehouse
6 4 (2.82%) Data Lake
6 4 (2.82%) DTS
7 3 (2.11%) Tableau
8 2 (1.41%) BigQuery
8 2 (1.41%) Relational Database
9 1 (0.70%) Amazon Athena
9 1 (0.70%) Data Vault
9 1 (0.70%) IBM InfoSphere
9 1 (0.70%) Metadata
9 1 (0.70%) SAP Data Services
9 1 (0.70%) Semantic Layer
9 1 (0.70%) SQL Server Analysis Services
9 1 (0.70%) SQL Server Reporting Services
Development Applications
1 9 (6.34%) MLflow
2 7 (4.93%) JIRA
3 6 (4.23%) Octopus Deploy
3 6 (4.23%) TeamCity
4 4 (2.82%) Jenkins
4 4 (2.82%) JUnit
5 3 (2.11%) Git
5 3 (2.11%) JMeter
5 3 (2.11%) Storybook
6 2 (1.41%) Maven
6 2 (1.41%) Mockito
7 1 (0.70%) Bitbucket
7 1 (0.70%) Cucumber
7 1 (0.70%) GitLab
7 1 (0.70%) LoadRunner
7 1 (0.70%) Plastic SCM
7 1 (0.70%) Selenium
General
1 78 (54.93%) Finance
2 43 (30.28%) Social Skills
3 26 (18.31%) Analytical Skills
4 20 (14.08%) Inclusion and Diversity
5 16 (11.27%) Banking
6 12 (8.45%) Influencing Skills
7 10 (7.04%) Law
8 8 (5.63%) Public Sector
8 8 (5.63%) Retail
9 7 (4.93%) Cyber-Physical System
9 7 (4.93%) Investment Banking
10 4 (2.82%) Back Office
10 4 (2.82%) Financial Institution
10 4 (2.82%) Manufacturing
11 3 (2.11%) Legal
12 2 (1.41%) Advertising
12 2 (1.41%) Front Office
13 1 (0.70%) Marketing
Job Titles
1 36 (25.35%) Architect
2 26 (18.31%) Senior
3 17 (11.97%) Developer
4 14 (9.86%) Analyst
4 14 (9.86%) Senior Architect
5 13 (9.15%) Solutions Architect
6 11 (7.75%) Software Engineer
7 10 (7.04%) Lead
8 9 (6.34%) Artificial Intelligence Engineer
8 9 (6.34%) Automation Engineer
8 9 (6.34%) Business Analyst
9 8 (5.63%) Senior Solutions Architect
10 7 (4.93%) Cybersecurity Engineer
10 7 (4.93%) Java Developer
10 7 (4.93%) Research Engineer
10 7 (4.93%) Security Engineer
10 7 (4.93%) Transformation Manager
11 6 (4.23%) Consultant
11 6 (4.23%) DevOps Engineer
11 6 (4.23%) Enterprise Architect
Libraries, Frameworks & Software Standards
1 17 (11.97%) .NET
2 13 (9.15%) REST
2 13 (9.15%) Web Services
3 12 (8.45%) JWT
3 12 (8.45%) OAuth
3 12 (8.45%) RESTful
4 11 (7.75%) React
5 10 (7.04%) FastAPI
5 10 (7.04%) Flask
6 9 (6.34%) Django
6 9 (6.34%) Faiss
6 9 (6.34%) Hugging Face
6 9 (6.34%) NumPy
6 9 (6.34%) OpenAPI
6 9 (6.34%) Pandas
6 9 (6.34%) pytest
6 9 (6.34%) PyTorch
6 9 (6.34%) scikit-learn
6 9 (6.34%) Swagger
6 9 (6.34%) TensorFlow
Miscellaneous
1 24 (16.90%) Cloud Native
2 9 (6.34%) Fixed Income
2 9 (6.34%) Low-Code
3 8 (5.63%) AI Agents
3 8 (5.63%) Foreign Exchange (FX)
3 8 (5.63%) Reinsurance
3 8 (5.63%) Virtual Team
4 7 (4.93%) Derivative
4 7 (4.93%) Operational Technology
5 6 (4.23%) Distributed Systems
5 6 (4.23%) Hybrid Cloud
5 6 (4.23%) iSeries
6 5 (3.52%) Product Ownership
7 4 (2.82%) EPoS
8 3 (2.11%) AS400
8 3 (2.11%) Data Structures
8 3 (2.11%) Learning Management System
8 3 (2.11%) Replication
9 2 (1.41%) Algorithms
9 2 (1.41%) Management Information System
Operating Systems
1 3 (2.11%) Android
1 3 (2.11%) Apple iOS
2 1 (0.70%) Linux
Processes & Methodologies
1 42 (29.58%) AI
2 40 (28.17%) Migration
3 37 (26.06%) Agile
4 34 (23.94%) CI/CD
5 33 (23.24%) DevOps
5 33 (23.24%) Roadmaps
6 29 (20.42%) Machine Learning
6 29 (20.42%) Stakeholder Management
7 26 (18.31%) Microservices
7 26 (18.31%) Problem-Solving
7 26 (18.31%) Software Engineering
8 22 (15.49%) Data Modelling
9 21 (14.79%) User Acceptance Testing
10 20 (14.08%) Requirements Gathering
11 19 (13.38%) Event-Driven
12 18 (12.68%) Test Automation
12 18 (12.68%) Validation
13 17 (11.97%) Analytics
13 17 (11.97%) Containerisation
13 17 (11.97%) LLM
Programming Languages
1 34 (23.94%) SQL
2 32 (22.54%) Python
3 15 (10.56%) Java
4 12 (8.45%) C#
4 12 (8.45%) JavaScript
5 8 (5.63%) TypeScript
6 7 (4.93%) PowerShell
7 6 (4.23%) RPG
8 3 (2.11%) C++
8 3 (2.11%) DataWeave
8 3 (2.11%) Kotlin
8 3 (2.11%) Swift
9 2 (1.41%) Go
9 2 (1.41%) Shell Script
9 2 (1.41%) X++
10 1 (0.70%) Bash
10 1 (0.70%) JCL
10 1 (0.70%) MATLAB
10 1 (0.70%) Ruby
10 1 (0.70%) Scala
Qualifications
1 20 (14.08%) Security Cleared
2 18 (12.68%) SC Cleared
3 10 (7.04%) Degree
4 8 (5.63%) Master's Degree
5 4 (2.82%) DBS Check
6 1 (0.70%) ACCA
6 1 (0.70%) CIMA
6 1 (0.70%) Computer Science Degree
6 1 (0.70%) DV Cleared
6 1 (0.70%) Microsoft Certification
6 1 (0.70%) PhD
Quality Assurance & Compliance
1 21 (14.79%) Data Quality
2 6 (4.23%) QA
3 5 (3.52%) Accessibility
4 1 (0.70%) Actionable Recommendations
4 1 (0.70%) COBIT
4 1 (0.70%) GDPR
4 1 (0.70%) ISO/IEC 27001
System Software
1 16 (11.27%) Docker
2 2 (1.41%) Active Directory
2 2 (1.41%) VMware Infrastructure
2 2 (1.41%) vSphere
Systems Management
1 17 (11.97%) Kubernetes
2 10 (7.04%) Terraform
3 3 (2.11%) CloudHub
3 3 (2.11%) Kibana
4 2 (1.41%) Single Sign-On
4 2 (1.41%) WhatsUp Gold
5 1 (0.70%) Ansible
5 1 (0.70%) Grafana
Vendors
1 18 (12.68%) Microsoft
2 10 (7.04%) Guidewire
3 9 (6.34%) Automation Anywhere
3 9 (6.34%) OpenAI
3 9 (6.34%) UiPath
4 7 (4.93%) IBM
4 7 (4.93%) SAP
4 7 (4.93%) ServiceNow
5 5 (3.52%) Sage
5 5 (3.52%) Salesforce
6 4 (2.82%) Concur
6 4 (2.82%) Google
6 4 (2.82%) MuleSoft
7 3 (2.11%) Dynatrace
7 3 (2.11%) Pega
7 3 (2.11%) Sitecore
7 3 (2.11%) Splunk
7 3 (2.11%) VMware
8 2 (1.41%) Broadcom
8 2 (1.41%) Meraki