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

6 months to
11 Oct 2026
Same period 2025 Same period 2024
Rank 266 199 343
Rank change year-on-year -67 +144 +14
Permanent jobs citing Legacy Systems 183 194 100
As % of all permanent jobs in London 0.71% 1.65% 0.54%
As % of the Miscellaneous category 2.10% 3.53% 1.35%
Number of salaries quoted 121 88 72
10th Percentile £50,000 £52,500 £42,500
25th Percentile £66,750 £56,250 £48,750
Median annual salary (50th Percentile) £82,500 £75,000 £78,750
Median % change year-on-year +10.00% -4.76% -7.35%
75th Percentile £91,250 £88,750 £125,938
90th Percentile £120,000 £97,650 £160,500
England median annual salary £68,500 £66,500 £54,250
% change year-on-year +3.01% +22.58% -16.54%

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 8,723 5,491 7,383
As % of all permanent jobs advertised in London 33.65% 46.80% 40.19%
Number of salaries quoted 5,141 3,263 4,287
10th Percentile £40,000 £36,250 £43,997
25th Percentile £52,500 £52,000 £56,250
Median annual salary (50th Percentile) £75,000 £75,500 £80,000
Median % change year-on-year -0.66% -5.63% +3.23%
75th Percentile £100,000 £105,000 £108,750
90th Percentile £115,000 £135,000 £137,500
England median annual salary £56,000 £55,000 £60,000
% change year-on-year +1.82% -8.33% -4.08%

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 11 October 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 11 October 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 +13 22 £82,500 +17.86% 33
West London -8 17 £80,000 - 4
South London +2 4 £82,500 -
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 13 (7.10%) Anypoint
1 13 (7.10%) Mule
2 12 (6.56%) Confluence
3 4 (2.19%) Microsoft Exchange
4 3 (1.64%) Apache
4 3 (1.64%) Apache Airflow
4 3 (1.64%) IIS
5 2 (1.09%) CMS
6 1 (0.55%) NServiceBus
Applications
1 11 (6.01%) MS Visio
2 1 (0.55%) Microsoft Office
2 1 (0.55%) Microsoft Project
2 1 (0.55%) Spreadsheet
Business Applications
1 6 (3.28%) SAP S/4HANA
2 4 (2.19%) Workday HCM
3 2 (1.09%) Dynamics CRM
3 2 (1.09%) NetSuite
3 2 (1.09%) SAP MDG
4 1 (0.55%) Misys Equation
4 1 (0.55%) Misys Midas
4 1 (0.55%) SAP HCM
4 1 (0.55%) Visualfiles
Cloud Services
1 57 (31.15%) Azure
2 53 (28.96%) AWS
3 17 (9.29%) Cloud Computing
4 14 (7.65%) AWS CloudFormation
5 12 (6.56%) Azure DevOps
6 11 (6.01%) Lucidchart
7 10 (5.46%) Serverless
8 8 (4.37%) PaaS
8 8 (4.37%) SaaS
9 7 (3.83%) Entra ID
9 7 (3.83%) GitHub
9 7 (3.83%) IaaS
9 7 (3.83%) Power Platform
10 5 (2.73%) Azure ExpressRoute
10 5 (2.73%) Dynamics 365
11 4 (2.19%) GCP
11 4 (2.19%) GitHub Copilot
12 3 (1.64%) Azure AKS
12 3 (1.64%) Azure Monitor
12 3 (1.64%) Azure Service Bus
Communications & Networking
1 13 (7.10%) SSL
2 7 (3.83%) DNS
2 7 (3.83%) Firewall
2 7 (3.83%) Network Security
2 7 (3.83%) WAN
3 5 (2.73%) LAN
3 5 (2.73%) TCP/IP
3 5 (2.73%) VPN
3 5 (2.73%) Wi-Fi
4 2 (1.09%) DHCP
4 2 (1.09%) SAN
4 2 (1.09%) SD-WAN
4 2 (1.09%) Wireless
5 1 (0.55%) Broadband
5 1 (0.55%) DMARC
Database & Business Intelligence
1 18 (9.84%) PostgreSQL
2 13 (7.10%) Db2
3 10 (5.46%) DTS
4 6 (3.28%) SQL Server
5 4 (2.19%) Elasticsearch
5 4 (2.19%) MySQL
5 4 (2.19%) Power BI
5 4 (2.19%) Relational Database
5 4 (2.19%) SAP Data Services
6 3 (1.64%) Redis
7 2 (1.09%) Azure SQL Database
7 2 (1.09%) Data Lake
7 2 (1.09%) Metadata
7 2 (1.09%) Star Schema
8 1 (0.55%) Amazon Athena
8 1 (0.55%) Data Vault
8 1 (0.55%) Delta Lake
8 1 (0.55%) Parquet
8 1 (0.55%) SAP BW
8 1 (0.55%) Semantic Layer
Development Applications
1 7 (3.83%) JIRA
2 6 (3.28%) Git
3 5 (2.73%) Jasmine
3 5 (2.73%) Mocha
3 5 (2.73%) NUnit
3 5 (2.73%) Selenium
4 2 (1.09%) Jenkins
4 2 (1.09%) JMeter
4 2 (1.09%) JUnit
4 2 (1.09%) Mockito
5 1 (0.55%) kappa
General
1 57 (31.15%) Finance
2 29 (15.85%) Social Skills
3 28 (15.30%) Analytical Skills
4 22 (12.02%) Law
5 20 (10.93%) Public Sector
6 13 (7.10%) Influencing Skills
7 11 (6.01%) Inclusion and Diversity
8 8 (4.37%) Banking
9 7 (3.83%) Cyber-Physical System
10 5 (2.73%) Legal
11 4 (2.19%) Back Office
11 4 (2.19%) General Ledger
12 3 (1.64%) Front Office
12 3 (1.64%) Manufacturing
12 3 (1.64%) Marketing
12 3 (1.64%) Retail
13 2 (1.09%) Investment Banking
13 2 (1.09%) Presentation Skills
14 1 (0.55%) Advertising
14 1 (0.55%) Military
Job Titles
1 43 (23.50%) Senior
2 40 (21.86%) Architect
3 34 (18.58%) Developer
4 31 (16.94%) Consultant
5 27 (14.75%) Solutions Architect
6 25 (13.66%) Lead
7 18 (9.84%) Migration Consultant
8 16 (8.74%) Software Engineer
9 14 (7.65%) Lead Developer
10 13 (7.10%) MuleSoft Developer
10 13 (7.10%) Professional Services Consultant
11 11 (6.01%) Senior Consultant
12 9 (4.92%) Senior Architect
13 8 (4.37%) Senior Developer
13 8 (4.37%) Workday Consultant
14 7 (3.83%) Azure Engineer
14 7 (3.83%) Cybersecurity Engineer
14 7 (3.83%) DevOps Engineer
14 7 (3.83%) Research Engineer
14 7 (3.83%) Security Engineer
Libraries, Frameworks & Software Standards
1 22 (12.02%) Spring Boot
2 20 (10.93%) Kafka
3 19 (10.38%) Spring
4 16 (8.74%) .NET
5 14 (7.65%) Middleware
5 14 (7.65%) Node.js
5 14 (7.65%) OAuth
5 14 (7.65%) OAuth2
6 13 (7.10%) JWT
6 13 (7.10%) MUnit
6 13 (7.10%) RAML
7 12 (6.56%) REST
7 12 (6.56%) RESTful
8 11 (6.01%) Terraform
9 9 (4.92%) React
10 5 (2.73%) Hibernate
10 5 (2.73%) Jest
10 5 (2.73%) JPA
10 5 (2.73%) JSON
11 4 (2.19%) HTML
Miscellaneous
1 23 (12.57%) Cloud Native
2 19 (10.38%) Onboarding
3 18 (9.84%) Data Centre
3 18 (9.84%) iSeries
4 17 (9.29%) Enterprise Cloud
5 14 (7.65%) Distributed Computing
5 14 (7.65%) Mainframe
6 10 (5.46%) Data Structures
6 10 (5.46%) EPoS
6 10 (5.46%) Greenfield Project
7 9 (4.92%) AS400
8 8 (4.37%) AI Agents
9 7 (3.83%) Enterprise Software
9 7 (3.83%) Management Information System
9 7 (3.83%) Operational Technology
9 7 (3.83%) Reinsurance
10 6 (3.28%) Distributed Systems
11 5 (2.73%) Distributed Architecture
11 5 (2.73%) Security Posture
11 5 (2.73%) Virtual Team
Operating Systems
1 9 (4.92%) Windows
2 7 (3.83%) Linux
3 1 (0.55%) Android
3 1 (0.55%) Apple iOS
Processes & Methodologies
1 65 (35.52%) Migration
2 50 (27.32%) Mentoring
3 49 (26.78%) CI/CD
4 41 (22.40%) AI
5 40 (21.86%) DevOps
5 40 (21.86%) Software Engineering
6 36 (19.67%) Continuous Improvement
7 35 (19.13%) Event-Driven
8 34 (18.58%) Agile
8 34 (18.58%) Microservices
9 29 (15.85%) Event-Driven Architecture
9 29 (15.85%) Problem-Solving
10 26 (14.21%) Roadmaps
11 25 (13.66%) Test Automation
12 23 (12.57%) Project Delivery
12 23 (12.57%) Stakeholder Management
13 20 (10.93%) Machine Learning
14 19 (10.38%) Configuration Management
14 19 (10.38%) Containerisation
15 18 (9.84%) Architectural Patterns
Programming Languages
1 34 (18.58%) Python
2 25 (13.66%) Java
3 17 (9.29%) C#
3 17 (9.29%) SQL
4 13 (7.10%) DataWeave
4 13 (7.10%) RPG
5 12 (6.56%) JavaScript
6 11 (6.01%) TypeScript
7 3 (1.64%) C++
7 3 (1.64%) Go
7 3 (1.64%) VBA
7 3 (1.64%) VBScript
8 2 (1.09%) Bicep
8 2 (1.09%) COBOL
8 2 (1.09%) R
8 2 (1.09%) Ruby
8 2 (1.09%) Scala
8 2 (1.09%) Shell Script
9 1 (0.55%) Kotlin
9 1 (0.55%) Swift
Qualifications
1 45 (24.59%) Security Cleared
2 30 (16.39%) SC Cleared
3 16 (8.74%) Degree
4 10 (5.46%) AWS Certification
5 7 (3.83%) Master's Degree
6 4 (2.19%) DBS Check
6 4 (2.19%) ITIL Certification
7 3 (1.64%) Azure Certification
8 2 (1.09%) TOGAF Certification
9 1 (0.55%) BPSS Clearance
9 1 (0.55%) Computer Science Degree
9 1 (0.55%) DV Cleared
9 1 (0.55%) Microsoft Certification
9 1 (0.55%) OCP
9 1 (0.55%) Oracle Certification
9 1 (0.55%) PMI Certification
9 1 (0.55%) PMP
Quality Assurance & Compliance
1 14 (7.65%) Data Quality
2 6 (3.28%) QA
3 5 (2.73%) SLA
4 3 (1.64%) Accessibility
4 3 (1.64%) GDPR
5 2 (1.09%) PMO
System Software
1 11 (6.01%) Docker
2 7 (3.83%) Active Directory
2 7 (3.83%) VMware Infrastructure
3 5 (2.73%) Hyper-V
4 4 (2.19%) Virtual Machines
5 2 (1.09%) vSphere
Systems Management
1 13 (7.10%) CloudHub
1 13 (7.10%) Progress Chef
1 13 (7.10%) Puppet
2 12 (6.56%) Kubernetes
3 4 (2.19%) Grafana
4 2 (1.09%) Kibana
4 2 (1.09%) Single Sign-On
4 2 (1.09%) WhatsUp Gold
Vendors
1 26 (14.21%) SAP
2 23 (12.57%) Microsoft
3 17 (9.29%) IBM
3 17 (9.29%) Salesforce
4 13 (7.10%) MuleSoft
4 13 (7.10%) ServiceNow
5 12 (6.56%) Workday
6 7 (3.83%) VMware
7 6 (3.28%) Guidewire
8 5 (2.73%) Oracle
9 4 (2.19%) Dynatrace
9 4 (2.19%) HP
10 3 (1.64%) Databricks
10 3 (1.64%) YouTube
11 2 (1.09%) Broadcom
11 2 (1.09%) EMC
11 2 (1.09%) Meraki
11 2 (1.09%) Splunk
11 2 (1.09%) Ubiquiti
11 2 (1.09%) Veeam