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

6 months to
3 Jul 2026
Same period 2025 Same period 2024
Rank 268 293 402
Rank change year-on-year +25 +109 -48
Permanent jobs citing Legacy Systems 161 105 96
As % of all permanent jobs in London 0.73% 0.85% 0.40%
As % of the Miscellaneous category 2.15% 1.88% 0.98%
Number of salaries quoted 110 62 78
10th Percentile £55,000 £55,500 £43,225
25th Percentile £66,750 £61,250 £63,218
Median annual salary (50th Percentile) £80,000 £75,000 £80,000
Median % change year-on-year +6.67% -6.25% -5.88%
75th Percentile £96,563 £96,250 £113,750
90th Percentile £120,000 £105,000 £145,000
England median annual salary £67,490 £65,000 £56,250
% change year-on-year +3.83% +15.56% -13.46%

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 7,474 5,582 9,771
As % of all permanent jobs advertised in London 34.06% 45.10% 40.49%
Number of salaries quoted 4,600 3,173 6,857
10th Percentile £41,250 £41,250 £38,000
25th Percentile £56,250 £56,000 £51,250
Median annual salary (50th Percentile) £80,000 £79,500 £75,000
Median % change year-on-year +0.63% +6.00% -
75th Percentile £100,000 £110,000 £100,000
90th Percentile £120,000 £136,250 £135,000
England median annual salary £60,000 £57,500 £55,000
% change year-on-year +4.35% +4.55% -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 3 July 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 3 July 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 £85,000 +13.33% 31
West London -6 11 £80,000 +28.00% 12
South London +26 4 £82,500 - 2
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 16 (9.94%) Confluence
2 6 (3.73%) Anypoint
2 6 (3.73%) Mule
3 5 (3.11%) Appian
4 2 (1.24%) CMS
4 2 (1.24%) Microsoft Exchange
5 1 (0.62%) CICS
5 1 (0.62%) Jupyter
5 1 (0.62%) NServiceBus
5 1 (0.62%) SharePoint
Applications
1 11 (6.83%) MS Visio
2 1 (0.62%) Spreadsheet
Business Applications
1 4 (2.48%) SAP S/4HANA
2 3 (1.86%) Dynamics CRM
3 2 (1.24%) SAP MDG
4 1 (0.62%) Misys Equation
4 1 (0.62%) Misys Midas
4 1 (0.62%) Sage 50
4 1 (0.62%) SAP HCM
4 1 (0.62%) Visualfiles
4 1 (0.62%) Workday HCM
Cloud Services
1 50 (31.06%) Azure
2 29 (18.01%) AWS
3 11 (6.83%) Lucidchart
4 10 (6.21%) Cloud Computing
5 9 (5.59%) AWS CloudFormation
5 9 (5.59%) Power Platform
6 8 (4.97%) Azure DevOps
7 7 (4.35%) Entra ID
7 7 (4.35%) PaaS
8 6 (3.73%) Microsoft 365
8 6 (3.73%) Power Automate
8 6 (3.73%) SaaS
8 6 (3.73%) Serverless
9 5 (3.11%) Anthropic Claude
9 5 (3.11%) Azure AI
9 5 (3.11%) Azure Data Factory
9 5 (3.11%) Azure Service Bus
9 5 (3.11%) Azure Synapse Analytics
9 5 (3.11%) GCP
10 4 (2.48%) Azure Logic Apps
Communications & Networking
1 7 (4.35%) Network Security
1 7 (4.35%) WAN
2 6 (3.73%) SSL
3 3 (1.86%) DNS
3 3 (1.86%) Firewall
4 2 (1.24%) DHCP
4 2 (1.24%) SAN
4 2 (1.24%) SD-WAN
4 2 (1.24%) Wireless
5 1 (0.62%) Broadband
5 1 (0.62%) DMARC
5 1 (0.62%) LAN
5 1 (0.62%) TCP/IP
5 1 (0.62%) VPN
5 1 (0.62%) Wi-Fi
Database & Business Intelligence
1 14 (8.70%) PostgreSQL
2 13 (8.07%) Db2
3 11 (6.83%) SQL Server
4 9 (5.59%) DTS
5 8 (4.97%) Power BI
6 5 (3.11%) Pinecone
7 4 (2.48%) Data Lake
7 4 (2.48%) Data Warehouse
8 3 (1.86%) SQL Server Integration Services
9 2 (1.24%) BigQuery
9 2 (1.24%) Relational Database
9 2 (1.24%) SAP Data Services
10 1 (0.62%) Looker
10 1 (0.62%) SAP BW
10 1 (0.62%) Semantic Layer
10 1 (0.62%) Snowflake Schema
10 1 (0.62%) SQL Server Analysis Services
10 1 (0.62%) SQL Server Reporting Services
10 1 (0.62%) Star Schema
10 1 (0.62%) Tableau
Development Applications
1 8 (4.97%) JIRA
2 5 (3.11%) MLflow
3 4 (2.48%) JUnit
4 3 (1.86%) Git
4 3 (1.86%) Jenkins
5 2 (1.24%) JMeter
5 2 (1.24%) Maven
5 2 (1.24%) Mockito
5 2 (1.24%) Octopus Deploy
5 2 (1.24%) TeamCity
6 1 (0.62%) Bitbucket
6 1 (0.62%) Cucumber
6 1 (0.62%) GitLab
6 1 (0.62%) Plastic SCM
6 1 (0.62%) Selenium
6 1 (0.62%) Storybook
General
1 71 (44.10%) Finance
2 38 (23.60%) Social Skills
3 26 (16.15%) Analytical Skills
4 19 (11.80%) Inclusion and Diversity
5 15 (9.32%) Banking
5 15 (9.32%) Law
6 13 (8.07%) Public Sector
7 12 (7.45%) Influencing Skills
8 8 (4.97%) Retail
9 7 (4.35%) Cyber-Physical System
9 7 (4.35%) Investment Banking
10 4 (2.48%) Back Office
10 4 (2.48%) Financial Institution
10 4 (2.48%) Manufacturing
11 3 (1.86%) Legal
12 2 (1.24%) Advertising
12 2 (1.24%) Front Office
13 1 (0.62%) General Ledger
13 1 (0.62%) Marketing
Job Titles
1 43 (26.71%) Architect
2 32 (19.88%) Senior
3 21 (13.04%) Developer
4 20 (12.42%) Solutions Architect
5 18 (11.18%) Consultant
6 15 (9.32%) Lead
6 15 (9.32%) Senior Architect
7 11 (6.83%) Analyst
7 11 (6.83%) Software Engineer
8 10 (6.21%) Migration Consultant
9 9 (5.59%) Senior Solutions Architect
10 8 (4.97%) DevOps Engineer
10 8 (4.97%) Java Developer
10 8 (4.97%) Lead Developer
10 8 (4.97%) Professional Services Consultant
11 7 (4.35%) Business Analyst
11 7 (4.35%) Cybersecurity Engineer
11 7 (4.35%) Research Engineer
11 7 (4.35%) Security Engineer
11 7 (4.35%) Transformation Manager
Libraries, Frameworks & Software Standards
1 16 (9.94%) Spring
1 16 (9.94%) Spring Boot
2 14 (8.70%) Node.js
3 13 (8.07%) .NET
3 13 (8.07%) Kafka
3 13 (8.07%) Middleware
4 12 (7.45%) OAuth
5 11 (6.83%) JWT
5 11 (6.83%) React
6 10 (6.21%) REST
7 9 (5.59%) RESTful
8 7 (4.35%) OAuth2
8 7 (4.35%) Web Services
9 6 (3.73%) CSS
9 6 (3.73%) FastAPI
9 6 (3.73%) Flask
9 6 (3.73%) MUnit
9 6 (3.73%) PyTorch
9 6 (3.73%) RAML
10 5 (3.11%) OpenAPI
Miscellaneous
1 31 (19.25%) Cloud Native
2 12 (7.45%) iSeries
3 10 (6.21%) Onboarding
4 9 (5.59%) Data Centre
4 9 (5.59%) Distributed Computing
4 9 (5.59%) Enterprise Cloud
4 9 (5.59%) EPoS
4 9 (5.59%) Fixed Income
4 9 (5.59%) Mainframe
5 8 (4.97%) AI Agents
5 8 (4.97%) Foreign Exchange (FX)
5 8 (4.97%) Reinsurance
6 7 (4.35%) Derivative
6 7 (4.35%) Operational Technology
7 6 (3.73%) Distributed Systems
8 5 (3.11%) Low-Code
9 4 (2.48%) AS400
9 4 (2.48%) Data Structures
9 4 (2.48%) Product Ownership
9 4 (2.48%) Virtual Team
Operating Systems
1 3 (1.86%) Android
1 3 (1.86%) Apple iOS
2 2 (1.24%) Windows
3 1 (0.62%) Linux
Processes & Methodologies
1 57 (35.40%) Migration
2 42 (26.09%) AI
3 37 (22.98%) CI/CD
4 35 (21.74%) Agile
5 34 (21.12%) DevOps
5 34 (21.12%) Roadmaps
6 33 (20.50%) Microservices
7 30 (18.63%) Event-Driven
8 28 (17.39%) Mentoring
9 27 (16.77%) Machine Learning
9 27 (16.77%) Software Engineering
10 26 (16.15%) Stakeholder Management
11 22 (13.66%) Problem-Solving
12 20 (12.42%) Continuous Improvement
13 19 (11.80%) Event-Driven Architecture
14 18 (11.18%) Containerisation
14 18 (11.18%) Data Migration
14 18 (11.18%) Project Delivery
15 17 (10.56%) User Acceptance Testing
15 17 (10.56%) Validation
Programming Languages
1 30 (18.63%) Python
2 26 (16.15%) SQL
3 22 (13.66%) Java
4 13 (8.07%) JavaScript
5 12 (7.45%) C#
6 11 (6.83%) RPG
7 9 (5.59%) TypeScript
8 6 (3.73%) DataWeave
9 3 (1.86%) Kotlin
9 3 (1.86%) PowerShell
9 3 (1.86%) Swift
10 2 (1.24%) C++
10 2 (1.24%) Go
10 2 (1.24%) Shell Script
10 2 (1.24%) X++
11 1 (0.62%) Bash
11 1 (0.62%) COBOL
11 1 (0.62%) JCL
11 1 (0.62%) Julia
11 1 (0.62%) RPG IV
Qualifications
1 32 (19.88%) Security Cleared
2 22 (13.66%) SC Cleared
3 11 (6.83%) Degree
4 8 (4.97%) Master's Degree
5 5 (3.11%) AWS Certification
6 4 (2.48%) DBS Check
7 1 (0.62%) ACCA
7 1 (0.62%) Azure Certification
7 1 (0.62%) CIMA
7 1 (0.62%) Computer Science Degree
7 1 (0.62%) DV Cleared
7 1 (0.62%) Microsoft Certification
7 1 (0.62%) PhD
Quality Assurance & Compliance
1 19 (11.80%) Data Quality
2 4 (2.48%) QA
3 3 (1.86%) Accessibility
4 1 (0.62%) GDPR
4 1 (0.62%) PMO
4 1 (0.62%) SLA
System Software
1 14 (8.70%) Docker
2 3 (1.86%) Active Directory
2 3 (1.86%) VMware Infrastructure
3 2 (1.24%) vSphere
4 1 (0.62%) Hyper-V
4 1 (0.62%) Virtual Machines
Systems Management
1 14 (8.70%) Kubernetes
2 12 (7.45%) Terraform
3 8 (4.97%) Progress Chef
3 8 (4.97%) Puppet
4 6 (3.73%) CloudHub
5 2 (1.24%) Kibana
5 2 (1.24%) Single Sign-On
5 2 (1.24%) WhatsUp Gold
6 1 (0.62%) Ansible
Vendors
1 20 (12.42%) Microsoft
2 14 (8.70%) SAP
3 13 (8.07%) IBM
4 9 (5.59%) ServiceNow
5 8 (4.97%) Guidewire
5 8 (4.97%) Salesforce
6 7 (4.35%) MuleSoft
7 5 (3.11%) Automation Anywhere
7 5 (3.11%) OpenAI
7 5 (3.11%) Sage
7 5 (3.11%) UiPath
8 4 (2.48%) Concur
8 4 (2.48%) Google
8 4 (2.48%) VMware
9 3 (1.86%) Oracle
10 2 (1.24%) Cisco
10 2 (1.24%) Citrix
10 2 (1.24%) EMC
10 2 (1.24%) Sophos
10 2 (1.24%) Ubiquiti