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

6 months to
9 Jul 2026
Same period 2025 Same period 2024
Rank 257 299 410
Rank change year-on-year +42 +111 -54
Permanent jobs citing Legacy Systems 171 106 95
As % of all permanent jobs in London 0.77% 0.84% 0.40%
As % of the Miscellaneous category 2.25% 1.87% 0.98%
Number of salaries quoted 116 62 77
10th Percentile £55,625 £55,500 £43,121
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 £94,688 £96,250 £115,000
90th Percentile £120,000 £105,000 £145,000
England median annual salary £67,500 £65,000 £56,250
% change year-on-year +3.85% +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 7,614 5,682 9,667
As % of all permanent jobs advertised in London 34.35% 45.16% 40.87%
Number of salaries quoted 4,653 3,256 6,733
10th Percentile £41,250 £41,250 £38,000
25th Percentile £56,250 £56,000 £51,250
Median annual salary (50th Percentile) £80,000 £78,500 £75,000
Median % change year-on-year +1.91% +4.67% -
75th Percentile £100,000 £110,000 £101,250
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 9 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 9 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 +2 23 £85,000 +13.33% 20
West London -4 14 £80,000 +28.00% 13
South London +21 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 17 (9.94%) Confluence
2 7 (4.09%) Anypoint
2 7 (4.09%) Mule
3 4 (2.34%) Appian
4 2 (1.17%) CMS
4 2 (1.17%) Microsoft Exchange
5 1 (0.58%) CICS
5 1 (0.58%) Jupyter
5 1 (0.58%) NServiceBus
5 1 (0.58%) SharePoint
Applications
1 12 (7.02%) MS Visio
2 1 (0.58%) Spreadsheet
Business Applications
1 4 (2.34%) SAP S/4HANA
2 3 (1.75%) Dynamics CRM
3 2 (1.17%) SAP MDG
3 2 (1.17%) Workday HCM
4 1 (0.58%) Misys Equation
4 1 (0.58%) Misys Midas
4 1 (0.58%) Sage 50
4 1 (0.58%) SAP HCM
4 1 (0.58%) Visualfiles
Cloud Services
1 52 (30.41%) Azure
2 35 (20.47%) AWS
3 15 (8.77%) Cloud Computing
4 12 (7.02%) AWS CloudFormation
4 12 (7.02%) Lucidchart
5 9 (5.26%) PaaS
5 9 (5.26%) Power Platform
6 8 (4.68%) Serverless
7 7 (4.09%) Azure DevOps
7 7 (4.09%) Entra ID
8 6 (3.51%) Microsoft 365
8 6 (3.51%) SaaS
9 5 (2.92%) Azure Service Bus
9 5 (2.92%) Azure Synapse Analytics
9 5 (2.92%) GCP
9 5 (2.92%) IaaS
9 5 (2.92%) Power Automate
10 4 (2.34%) Azure Data Factory
10 4 (2.34%) Azure Event Grid
10 4 (2.34%) Azure Logic Apps
Communications & Networking
1 9 (5.26%) WAN
2 7 (4.09%) Network Security
2 7 (4.09%) SSL
3 5 (2.92%) DNS
3 5 (2.92%) Firewall
4 3 (1.75%) LAN
4 3 (1.75%) TCP/IP
4 3 (1.75%) VPN
4 3 (1.75%) Wi-Fi
5 2 (1.17%) DHCP
5 2 (1.17%) SAN
5 2 (1.17%) SD-WAN
5 2 (1.17%) Wireless
6 1 (0.58%) Broadband
6 1 (0.58%) DMARC
Database & Business Intelligence
1 15 (8.77%) PostgreSQL
2 14 (8.19%) Db2
3 10 (5.85%) DTS
4 8 (4.68%) Power BI
4 8 (4.68%) SQL Server
5 4 (2.34%) Data Lake
5 4 (2.34%) Data Warehouse
5 4 (2.34%) Pinecone
6 2 (1.17%) BigQuery
6 2 (1.17%) Relational Database
6 2 (1.17%) SAP Data Services
7 1 (0.58%) Looker
7 1 (0.58%) SAP BW
7 1 (0.58%) Semantic Layer
7 1 (0.58%) Snowflake Schema
7 1 (0.58%) SQL Server Analysis Services
7 1 (0.58%) SQL Server Integration Services
7 1 (0.58%) SQL Server Reporting Services
7 1 (0.58%) Star Schema
7 1 (0.58%) Tableau
Development Applications
1 10 (5.85%) JIRA
2 4 (2.34%) JUnit
2 4 (2.34%) MLflow
3 3 (1.75%) Git
3 3 (1.75%) Jenkins
4 2 (1.17%) JMeter
4 2 (1.17%) Maven
4 2 (1.17%) Mockito
4 2 (1.17%) Selenium
5 1 (0.58%) Bitbucket
5 1 (0.58%) Cucumber
5 1 (0.58%) GitLab
5 1 (0.58%) Jasmine
5 1 (0.58%) Mocha
5 1 (0.58%) NUnit
5 1 (0.58%) Plastic SCM
5 1 (0.58%) Storybook
General
1 69 (40.35%) Finance
2 37 (21.64%) Social Skills
3 27 (15.79%) Analytical Skills
4 19 (11.11%) Inclusion and Diversity
5 16 (9.36%) Law
5 16 (9.36%) Public Sector
6 15 (8.77%) Banking
7 12 (7.02%) Influencing Skills
8 8 (4.68%) Retail
9 7 (4.09%) Cyber-Physical System
9 7 (4.09%) Investment Banking
10 4 (2.34%) Back Office
10 4 (2.34%) Financial Institution
10 4 (2.34%) Manufacturing
11 3 (1.75%) Legal
12 2 (1.17%) Advertising
12 2 (1.17%) Front Office
12 2 (1.17%) General Ledger
13 1 (0.58%) Marketing
Job Titles
1 44 (25.73%) Architect
2 37 (21.64%) Senior
3 25 (14.62%) Consultant
4 22 (12.87%) Developer
5 21 (12.28%) Solutions Architect
6 16 (9.36%) Lead
7 15 (8.77%) Migration Consultant
7 15 (8.77%) Senior Architect
8 12 (7.02%) Software Engineer
9 11 (6.43%) Analyst
9 11 (6.43%) Professional Services Consultant
10 9 (5.26%) Lead Developer
10 9 (5.26%) Senior Consultant
10 9 (5.26%) Senior Solutions Architect
11 8 (4.68%) Java Developer
12 7 (4.09%) Business Analyst
12 7 (4.09%) DevOps Engineer
12 7 (4.09%) Research Engineer
12 7 (4.09%) Security Engineer
12 7 (4.09%) Transformation Manager
Libraries, Frameworks & Software Standards
1 17 (9.94%) Spring
1 17 (9.94%) Spring Boot
2 15 (8.77%) Node.js
3 14 (8.19%) Kafka
3 14 (8.19%) Middleware
4 12 (7.02%) .NET
4 12 (7.02%) OAuth
5 11 (6.43%) JWT
5 11 (6.43%) React
6 9 (5.26%) REST
6 9 (5.26%) RESTful
7 8 (4.68%) OAuth2
8 7 (4.09%) MUnit
8 7 (4.09%) RAML
9 6 (3.51%) CSS
9 6 (3.51%) Web Services
10 5 (2.92%) FastAPI
10 5 (2.92%) Flask
10 5 (2.92%) PyTorch
11 4 (2.34%) OpenAPI
Miscellaneous
1 32 (18.71%) Cloud Native
2 15 (8.77%) iSeries
2 15 (8.77%) Onboarding
3 14 (8.19%) Data Centre
3 14 (8.19%) Enterprise Cloud
4 12 (7.02%) Distributed Computing
4 12 (7.02%) Mainframe
5 10 (5.85%) EPoS
6 9 (5.26%) Fixed Income
7 8 (4.68%) AI Agents
7 8 (4.68%) Foreign Exchange (FX)
7 8 (4.68%) Reinsurance
8 7 (4.09%) Derivative
8 7 (4.09%) Operational Technology
9 6 (3.51%) AS400
9 6 (3.51%) Distributed Systems
10 5 (2.92%) Greenfield Project
11 4 (2.34%) Data Structures
11 4 (2.34%) Low-Code
11 4 (2.34%) Product Ownership
Operating Systems
1 4 (2.34%) Windows
2 3 (1.75%) Android
2 3 (1.75%) Apple iOS
2 3 (1.75%) Linux
Processes & Methodologies
1 64 (37.43%) Migration
2 40 (23.39%) AI
3 37 (21.64%) CI/CD
4 36 (21.05%) Agile
5 35 (20.47%) Mentoring
6 34 (19.88%) DevOps
6 34 (19.88%) Microservices
6 34 (19.88%) Roadmaps
7 32 (18.71%) Event-Driven
8 28 (16.37%) Machine Learning
8 28 (16.37%) Software Engineering
9 25 (14.62%) Stakeholder Management
10 24 (14.04%) Continuous Improvement
11 23 (13.45%) Project Delivery
12 21 (12.28%) Event-Driven Architecture
12 21 (12.28%) Problem-Solving
13 18 (10.53%) Containerisation
13 18 (10.53%) Data Migration
13 18 (10.53%) Test Automation
13 18 (10.53%) Validation
Programming Languages
1 30 (17.54%) Python
2 23 (13.45%) Java
2 23 (13.45%) SQL
3 13 (7.60%) C#
3 13 (7.60%) JavaScript
4 12 (7.02%) RPG
5 9 (5.26%) TypeScript
6 7 (4.09%) DataWeave
7 3 (1.75%) Kotlin
7 3 (1.75%) Swift
8 2 (1.17%) C++
8 2 (1.17%) Go
8 2 (1.17%) Shell Script
8 2 (1.17%) X++
9 1 (0.58%) COBOL
9 1 (0.58%) JCL
9 1 (0.58%) MATLAB
9 1 (0.58%) Perl
9 1 (0.58%) PowerShell
9 1 (0.58%) Ruby
Qualifications
1 36 (21.05%) Security Cleared
2 23 (13.45%) SC Cleared
3 11 (6.43%) Degree
4 8 (4.68%) AWS Certification
4 8 (4.68%) Master's Degree
5 4 (2.34%) DBS Check
6 1 (0.58%) ACCA
6 1 (0.58%) Azure Certification
6 1 (0.58%) CIMA
6 1 (0.58%) Computer Science Degree
6 1 (0.58%) DV Cleared
6 1 (0.58%) Microsoft Certification
6 1 (0.58%) PhD
Quality Assurance & Compliance
1 18 (10.53%) Data Quality
2 4 (2.34%) QA
3 3 (1.75%) Accessibility
3 3 (1.75%) SLA
4 1 (0.58%) GDPR
4 1 (0.58%) PMO
System Software
1 13 (7.60%) Docker
2 5 (2.92%) Active Directory
2 5 (2.92%) VMware Infrastructure
3 3 (1.75%) Hyper-V
3 3 (1.75%) Virtual Machines
4 2 (1.17%) vSphere
Systems Management
1 13 (7.60%) Kubernetes
2 11 (6.43%) Progress Chef
2 11 (6.43%) Puppet
2 11 (6.43%) Terraform
3 7 (4.09%) CloudHub
4 2 (1.17%) Kibana
4 2 (1.17%) Single Sign-On
4 2 (1.17%) WhatsUp Gold
5 1 (0.58%) Ansible
Vendors
1 24 (14.04%) Microsoft
2 17 (9.94%) SAP
3 16 (9.36%) IBM
4 10 (5.85%) ServiceNow
5 9 (5.26%) Salesforce
6 8 (4.68%) Guidewire
6 8 (4.68%) MuleSoft
7 6 (3.51%) VMware
8 5 (2.92%) Oracle
8 5 (2.92%) Sage
9 4 (2.34%) Automation Anywhere
9 4 (2.34%) Concur
9 4 (2.34%) Google
9 4 (2.34%) OpenAI
9 4 (2.34%) UiPath
9 4 (2.34%) Workday
10 3 (1.75%) HP
11 2 (1.17%) Cisco
11 2 (1.17%) Citrix
11 2 (1.17%) EMC