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

6 months to
30 Jun 2026
Same period 2025 Same period 2024
Rank 264 286 408
Rank change year-on-year +22 +122 -50
Permanent jobs citing Legacy Systems 157 103 93
As % of all permanent jobs in London 0.72% 0.84% 0.39%
As % of the Miscellaneous category 2.11% 1.87% 0.95%
Number of salaries quoted 108 61 75
10th Percentile £55,000 £55,500 £42,914
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 £97,813 £96,250 £112,500
90th Percentile £120,000 £105,000 £145,000
England median annual salary £65,000 £65,000 £56,250
% change year-on-year - +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 7,436 5,521 9,769
As % of all permanent jobs advertised in London 33.93% 45.12% 40.48%
Number of salaries quoted 4,582 3,106 6,832
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 £100,000
90th Percentile £120,000 £136,250 £133,750
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 30 June 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 June 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 25 £85,000 +13.33% 11
West London -11 9 £80,000 +28.00% 8
South London +16 3 - - 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 14 (8.92%) Confluence
2 6 (3.82%) Anypoint
2 6 (3.82%) Mule
3 5 (3.18%) Appian
4 2 (1.27%) Microsoft Exchange
5 1 (0.64%) CICS
5 1 (0.64%) CMS
5 1 (0.64%) Jupyter
5 1 (0.64%) NServiceBus
5 1 (0.64%) SharePoint
Applications
1 9 (5.73%) MS Visio
2 1 (0.64%) Spreadsheet
Business Applications
1 4 (2.55%) SAP S/4HANA
2 3 (1.91%) Dynamics CRM
3 2 (1.27%) SAP MDG
4 1 (0.64%) Aladdin
4 1 (0.64%) Misys Equation
4 1 (0.64%) Misys Midas
4 1 (0.64%) Sage 50
4 1 (0.64%) SAP HCM
4 1 (0.64%) Visualfiles
4 1 (0.64%) Workday HCM
Cloud Services
1 48 (30.57%) Azure
2 26 (16.56%) AWS
3 10 (6.37%) Power Platform
4 9 (5.73%) Lucidchart
5 8 (5.10%) Azure DevOps
6 7 (4.46%) AWS CloudFormation
6 7 (4.46%) Cloud Computing
6 7 (4.46%) Entra ID
6 7 (4.46%) PaaS
7 6 (3.82%) Microsoft 365
7 6 (3.82%) Power Automate
8 5 (3.18%) Anthropic Claude
8 5 (3.18%) Azure AI
8 5 (3.18%) Azure Data Factory
8 5 (3.18%) Azure Service Bus
8 5 (3.18%) Azure Synapse Analytics
8 5 (3.18%) GCP
8 5 (3.18%) SaaS
8 5 (3.18%) Serverless
9 4 (2.55%) Azure Logic Apps
Communications & Networking
1 7 (4.46%) Network Security
1 7 (4.46%) WAN
2 6 (3.82%) SSL
3 3 (1.91%) DNS
3 3 (1.91%) Firewall
4 2 (1.27%) DHCP
4 2 (1.27%) SAN
4 2 (1.27%) SD-WAN
4 2 (1.27%) Wireless
5 1 (0.64%) Broadband
5 1 (0.64%) DMARC
5 1 (0.64%) LAN
5 1 (0.64%) TCP/IP
5 1 (0.64%) VPN
5 1 (0.64%) Wi-Fi
Database & Business Intelligence
1 12 (7.64%) PostgreSQL
1 12 (7.64%) SQL Server
2 11 (7.01%) Db2
3 9 (5.73%) Power BI
4 7 (4.46%) DTS
5 5 (3.18%) Data Warehouse
5 5 (3.18%) Pinecone
6 4 (2.55%) Data Lake
6 4 (2.55%) SQL Server Integration Services
7 2 (1.27%) BigQuery
7 2 (1.27%) Relational Database
7 2 (1.27%) SAP Data Services
7 2 (1.27%) Tableau
8 1 (0.64%) Looker
8 1 (0.64%) SAP BW
8 1 (0.64%) Semantic Layer
8 1 (0.64%) Snowflake Schema
8 1 (0.64%) SQL Server Analysis Services
8 1 (0.64%) SQL Server Reporting Services
8 1 (0.64%) Star Schema
Development Applications
1 8 (5.10%) JIRA
2 5 (3.18%) MLflow
3 4 (2.55%) JUnit
4 3 (1.91%) Git
4 3 (1.91%) Jenkins
4 3 (1.91%) Octopus Deploy
4 3 (1.91%) TeamCity
5 2 (1.27%) JMeter
5 2 (1.27%) Maven
5 2 (1.27%) Mockito
5 2 (1.27%) Storybook
6 1 (0.64%) Bitbucket
6 1 (0.64%) Cucumber
6 1 (0.64%) GitLab
6 1 (0.64%) Plastic SCM
6 1 (0.64%) Selenium
General
1 72 (45.86%) Finance
2 39 (24.84%) Social Skills
3 27 (17.20%) Analytical Skills
4 19 (12.10%) Inclusion and Diversity
5 15 (9.55%) Banking
5 15 (9.55%) Law
6 12 (7.64%) Influencing Skills
6 12 (7.64%) Public Sector
7 8 (5.10%) Retail
8 7 (4.46%) Cyber-Physical System
8 7 (4.46%) Investment Banking
9 4 (2.55%) Back Office
9 4 (2.55%) Financial Institution
9 4 (2.55%) Manufacturing
10 3 (1.91%) Legal
11 2 (1.27%) Advertising
11 2 (1.27%) Front Office
12 1 (0.64%) General Ledger
12 1 (0.64%) Marketing
Job Titles
1 40 (25.48%) Architect
2 29 (18.47%) Senior
3 21 (13.38%) Developer
4 17 (10.83%) Solutions Architect
5 15 (9.55%) Consultant
5 15 (9.55%) Lead
6 14 (8.92%) Senior Architect
7 12 (7.64%) Analyst
8 11 (7.01%) Software Engineer
9 8 (5.10%) DevOps Engineer
9 8 (5.10%) Java Developer
9 8 (5.10%) Lead Developer
9 8 (5.10%) Senior Solutions Architect
10 7 (4.46%) Business Analyst
10 7 (4.46%) Cybersecurity Engineer
10 7 (4.46%) Migration Consultant
10 7 (4.46%) Research Engineer
10 7 (4.46%) Security Engineer
10 7 (4.46%) Transformation Manager
11 6 (3.82%) Enterprise Architect
Libraries, Frameworks & Software Standards
1 14 (8.92%) .NET
1 14 (8.92%) Spring
1 14 (8.92%) Spring Boot
2 12 (7.64%) Node.js
2 12 (7.64%) OAuth
3 11 (7.01%) JWT
3 11 (7.01%) Kafka
3 11 (7.01%) Middleware
3 11 (7.01%) React
4 10 (6.37%) REST
5 9 (5.73%) RESTful
6 8 (5.10%) Web Services
7 7 (4.46%) OAuth2
8 6 (3.82%) CSS
8 6 (3.82%) FastAPI
8 6 (3.82%) Flask
8 6 (3.82%) MUnit
8 6 (3.82%) PyTorch
8 6 (3.82%) RAML
9 5 (3.18%) OpenAPI
Miscellaneous
1 30 (19.11%) Cloud Native
2 10 (6.37%) iSeries
3 9 (5.73%) Fixed Income
4 8 (5.10%) AI Agents
4 8 (5.10%) Foreign Exchange (FX)
4 8 (5.10%) Reinsurance
5 7 (4.46%) Data Centre
5 7 (4.46%) Derivative
5 7 (4.46%) Distributed Computing
5 7 (4.46%) EPoS
5 7 (4.46%) Mainframe
5 7 (4.46%) Onboarding
5 7 (4.46%) Operational Technology
6 6 (3.82%) Distributed Systems
6 6 (3.82%) Enterprise Cloud
7 5 (3.18%) Low-Code
7 5 (3.18%) Virtual Team
8 4 (2.55%) AS400
8 4 (2.55%) Data Structures
8 4 (2.55%) Product Ownership
Operating Systems
1 3 (1.91%) Android
1 3 (1.91%) Apple iOS
2 2 (1.27%) Windows
3 1 (0.64%) Linux
Processes & Methodologies
1 53 (33.76%) Migration
2 42 (26.75%) AI
3 37 (23.57%) CI/CD
4 35 (22.29%) Agile
5 34 (21.66%) DevOps
6 33 (21.02%) Roadmaps
7 31 (19.75%) Microservices
8 28 (17.83%) Event-Driven
9 26 (16.56%) Machine Learning
9 26 (16.56%) Software Engineering
10 25 (15.92%) Mentoring
10 25 (15.92%) Problem-Solving
10 25 (15.92%) Stakeholder Management
11 20 (12.74%) Continuous Improvement
12 18 (11.46%) Data Migration
13 17 (10.83%) Analytics
13 17 (10.83%) Data Modelling
13 17 (10.83%) Event-Driven Architecture
13 17 (10.83%) User Acceptance Testing
13 17 (10.83%) Validation
Programming Languages
1 30 (19.11%) Python
2 28 (17.83%) SQL
3 20 (12.74%) Java
4 13 (8.28%) JavaScript
5 12 (7.64%) C#
6 9 (5.73%) RPG
6 9 (5.73%) TypeScript
7 6 (3.82%) DataWeave
8 4 (2.55%) PowerShell
9 3 (1.91%) Kotlin
9 3 (1.91%) Swift
10 2 (1.27%) C++
10 2 (1.27%) Go
10 2 (1.27%) Shell Script
10 2 (1.27%) X++
11 1 (0.64%) COBOL
11 1 (0.64%) JCL
11 1 (0.64%) Perl
11 1 (0.64%) PHP
11 1 (0.64%) PL/SQL
Qualifications
1 30 (19.11%) Security Cleared
2 22 (14.01%) SC Cleared
3 10 (6.37%) Degree
4 8 (5.10%) Master's Degree
5 4 (2.55%) DBS Check
6 3 (1.91%) AWS Certification
7 1 (0.64%) ACCA
7 1 (0.64%) Azure Certification
7 1 (0.64%) CIMA
7 1 (0.64%) Computer Science Degree
7 1 (0.64%) DV Cleared
7 1 (0.64%) Microsoft Certification
7 1 (0.64%) PhD
Quality Assurance & Compliance
1 19 (12.10%) Data Quality
2 5 (3.18%) QA
3 4 (2.55%) Accessibility
4 1 (0.64%) GDPR
4 1 (0.64%) PMO
4 1 (0.64%) SLA
System Software
1 14 (8.92%) Docker
2 3 (1.91%) Active Directory
2 3 (1.91%) VMware Infrastructure
3 2 (1.27%) vSphere
4 1 (0.64%) Hyper-V
Systems Management
1 14 (8.92%) Kubernetes
2 12 (7.64%) Terraform
3 6 (3.82%) CloudHub
3 6 (3.82%) Progress Chef
3 6 (3.82%) Puppet
4 2 (1.27%) Kibana
4 2 (1.27%) Single Sign-On
4 2 (1.27%) WhatsUp Gold
5 1 (0.64%) Ansible
Vendors
1 19 (12.10%) Microsoft
2 13 (8.28%) SAP
3 10 (6.37%) IBM
4 9 (5.73%) Guidewire
4 9 (5.73%) ServiceNow
5 8 (5.10%) Salesforce
6 7 (4.46%) MuleSoft
7 5 (3.18%) Automation Anywhere
7 5 (3.18%) OpenAI
7 5 (3.18%) Sage
7 5 (3.18%) UiPath
8 4 (2.55%) Concur
8 4 (2.55%) Google
8 4 (2.55%) VMware
9 2 (1.27%) Broadcom
9 2 (1.27%) Dynatrace
9 2 (1.27%) Meraki
9 2 (1.27%) Pega
9 2 (1.27%) Ubiquiti
9 2 (1.27%) Workday