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

6 months to
6 Jul 2026
Same period 2025 Same period 2024
Rank 255 287 410
Rank change year-on-year +32 +123 -45
Permanent jobs citing Legacy Systems 165 105 95
As % of all permanent jobs in London 0.75% 0.84% 0.40%
As % of the Miscellaneous category 2.20% 1.87% 0.98%
Number of salaries quoted 113 62 77
10th Percentile £55,250 £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 £93,750 £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 7,514 5,628 9,715
As % of all permanent jobs advertised in London 34.04% 45.20% 40.59%
Number of salaries quoted 4,618 3,212 6,804
10th Percentile £41,250 £41,250 £38,000
25th Percentile £56,250 £55,750 £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 £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 6 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 6 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 24 £85,000 +13.33% 31
West London -9 12 £80,000 +28.00% 12
South London +20 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 (9.70%) Confluence
2 7 (4.24%) Anypoint
2 7 (4.24%) Mule
3 4 (2.42%) Appian
4 2 (1.21%) CMS
4 2 (1.21%) Microsoft Exchange
5 1 (0.61%) CICS
5 1 (0.61%) Jupyter
5 1 (0.61%) NServiceBus
5 1 (0.61%) SharePoint
Applications
1 11 (6.67%) MS Visio
2 1 (0.61%) Spreadsheet
Business Applications
1 4 (2.42%) SAP S/4HANA
2 3 (1.82%) Dynamics CRM
3 2 (1.21%) SAP MDG
3 2 (1.21%) Workday HCM
4 1 (0.61%) Misys Equation
4 1 (0.61%) Misys Midas
4 1 (0.61%) Sage 50
4 1 (0.61%) SAP HCM
4 1 (0.61%) Visualfiles
Cloud Services
1 50 (30.30%) Azure
2 32 (19.39%) AWS
3 12 (7.27%) Cloud Computing
4 11 (6.67%) Lucidchart
5 10 (6.06%) AWS CloudFormation
6 9 (5.45%) Power Platform
7 8 (4.85%) PaaS
8 7 (4.24%) Azure DevOps
8 7 (4.24%) Entra ID
8 7 (4.24%) Serverless
9 6 (3.64%) Microsoft 365
9 6 (3.64%) SaaS
10 5 (3.03%) Azure Service Bus
10 5 (3.03%) Azure Synapse Analytics
10 5 (3.03%) GCP
10 5 (3.03%) Power Automate
11 4 (2.42%) Azure Data Factory
11 4 (2.42%) Azure Event Grid
11 4 (2.42%) Azure Logic Apps
11 4 (2.42%) Dynamics 365
Communications & Networking
1 8 (4.85%) WAN
2 7 (4.24%) Network Security
2 7 (4.24%) SSL
3 4 (2.42%) DNS
3 4 (2.42%) Firewall
4 2 (1.21%) DHCP
4 2 (1.21%) LAN
4 2 (1.21%) SAN
4 2 (1.21%) SD-WAN
4 2 (1.21%) TCP/IP
4 2 (1.21%) VPN
4 2 (1.21%) Wi-Fi
4 2 (1.21%) Wireless
5 1 (0.61%) Broadband
5 1 (0.61%) DMARC
Database & Business Intelligence
1 14 (8.48%) PostgreSQL
2 13 (7.88%) Db2
3 9 (5.45%) DTS
3 9 (5.45%) SQL Server
4 8 (4.85%) Power BI
5 4 (2.42%) Data Lake
5 4 (2.42%) Data Warehouse
5 4 (2.42%) Pinecone
6 2 (1.21%) BigQuery
6 2 (1.21%) Relational Database
6 2 (1.21%) SAP Data Services
6 2 (1.21%) SQL Server Integration Services
7 1 (0.61%) Looker
7 1 (0.61%) SAP BW
7 1 (0.61%) Semantic Layer
7 1 (0.61%) Snowflake Schema
7 1 (0.61%) SQL Server Analysis Services
7 1 (0.61%) SQL Server Reporting Services
7 1 (0.61%) Star Schema
7 1 (0.61%) Tableau
Development Applications
1 9 (5.45%) JIRA
2 4 (2.42%) JUnit
2 4 (2.42%) MLflow
3 3 (1.82%) Git
3 3 (1.82%) Jenkins
4 2 (1.21%) JMeter
4 2 (1.21%) Maven
4 2 (1.21%) Mockito
5 1 (0.61%) Bitbucket
5 1 (0.61%) Cucumber
5 1 (0.61%) GitLab
5 1 (0.61%) Octopus Deploy
5 1 (0.61%) Plastic SCM
5 1 (0.61%) Selenium
5 1 (0.61%) Storybook
5 1 (0.61%) TeamCity
General
1 70 (42.42%) Finance
2 37 (22.42%) Social Skills
3 26 (15.76%) Analytical Skills
4 19 (11.52%) Inclusion and Diversity
5 16 (9.70%) Law
6 15 (9.09%) Banking
6 15 (9.09%) Public Sector
7 12 (7.27%) Influencing Skills
8 8 (4.85%) Retail
9 7 (4.24%) Cyber-Physical System
9 7 (4.24%) Investment Banking
10 4 (2.42%) Back Office
10 4 (2.42%) Financial Institution
10 4 (2.42%) Manufacturing
11 3 (1.82%) Legal
12 2 (1.21%) Advertising
12 2 (1.21%) Front Office
12 2 (1.21%) General Ledger
13 1 (0.61%) Marketing
Job Titles
1 43 (26.06%) Architect
2 34 (20.61%) Senior
3 22 (13.33%) Consultant
3 22 (13.33%) Developer
4 20 (12.12%) Solutions Architect
5 16 (9.70%) Lead
6 15 (9.09%) Senior Architect
7 12 (7.27%) Migration Consultant
8 11 (6.67%) Analyst
8 11 (6.67%) Software Engineer
9 9 (5.45%) Lead Developer
9 9 (5.45%) Professional Services Consultant
9 9 (5.45%) Senior Solutions Architect
10 8 (4.85%) Java Developer
11 7 (4.24%) Business Analyst
11 7 (4.24%) DevOps Engineer
11 7 (4.24%) Research Engineer
11 7 (4.24%) Security Engineer
11 7 (4.24%) Senior Consultant
11 7 (4.24%) Transformation Manager
Libraries, Frameworks & Software Standards
1 16 (9.70%) Spring
1 16 (9.70%) Spring Boot
2 14 (8.48%) Node.js
3 13 (7.88%) Kafka
3 13 (7.88%) Middleware
4 12 (7.27%) .NET
4 12 (7.27%) OAuth
5 11 (6.67%) JWT
5 11 (6.67%) React
6 9 (5.45%) REST
7 8 (4.85%) OAuth2
7 8 (4.85%) RESTful
8 7 (4.24%) MUnit
8 7 (4.24%) RAML
9 6 (3.64%) CSS
9 6 (3.64%) Web Services
10 5 (3.03%) FastAPI
10 5 (3.03%) Flask
10 5 (3.03%) PyTorch
11 4 (2.42%) OpenAPI
Miscellaneous
1 31 (18.79%) Cloud Native
2 13 (7.88%) iSeries
3 12 (7.27%) Onboarding
4 11 (6.67%) Data Centre
4 11 (6.67%) Enterprise Cloud
5 10 (6.06%) Distributed Computing
5 10 (6.06%) Mainframe
6 9 (5.45%) EPoS
6 9 (5.45%) Fixed Income
7 8 (4.85%) AI Agents
7 8 (4.85%) Foreign Exchange (FX)
7 8 (4.85%) Reinsurance
8 7 (4.24%) Derivative
8 7 (4.24%) Operational Technology
9 6 (3.64%) Distributed Systems
10 5 (3.03%) AS400
10 5 (3.03%) Greenfield Project
11 4 (2.42%) Data Structures
11 4 (2.42%) Low-Code
11 4 (2.42%) Product Ownership
Operating Systems
1 3 (1.82%) Android
1 3 (1.82%) Apple iOS
1 3 (1.82%) Windows
2 2 (1.21%) Linux
Processes & Methodologies
1 59 (35.76%) Migration
2 40 (24.24%) AI
3 36 (21.82%) CI/CD
4 35 (21.21%) Agile
5 34 (20.61%) Roadmaps
6 33 (20.00%) DevOps
6 33 (20.00%) Microservices
7 31 (18.79%) Event-Driven
7 31 (18.79%) Mentoring
8 27 (16.36%) Machine Learning
8 27 (16.36%) Software Engineering
9 25 (15.15%) Stakeholder Management
10 23 (13.94%) Continuous Improvement
11 21 (12.73%) Problem-Solving
12 20 (12.12%) Event-Driven Architecture
12 20 (12.12%) Project Delivery
13 18 (10.91%) Data Migration
14 17 (10.30%) Analytics
14 17 (10.30%) Test Automation
14 17 (10.30%) Validation
Programming Languages
1 29 (17.58%) Python
2 24 (14.55%) SQL
3 22 (13.33%) Java
4 13 (7.88%) JavaScript
5 12 (7.27%) C#
6 11 (6.67%) RPG
7 9 (5.45%) TypeScript
8 7 (4.24%) DataWeave
9 3 (1.82%) Kotlin
9 3 (1.82%) Swift
10 2 (1.21%) C++
10 2 (1.21%) Go
10 2 (1.21%) PowerShell
10 2 (1.21%) Shell Script
10 2 (1.21%) X++
11 1 (0.61%) COBOL
11 1 (0.61%) JCL
11 1 (0.61%) MATLAB
11 1 (0.61%) Perl
11 1 (0.61%) Ruby
Qualifications
1 34 (20.61%) Security Cleared
2 23 (13.94%) SC Cleared
3 11 (6.67%) Degree
4 8 (4.85%) Master's Degree
5 6 (3.64%) AWS Certification
6 4 (2.42%) DBS Check
7 1 (0.61%) ACCA
7 1 (0.61%) Azure Certification
7 1 (0.61%) CIMA
7 1 (0.61%) Computer Science Degree
7 1 (0.61%) DV Cleared
7 1 (0.61%) Microsoft Certification
7 1 (0.61%) PhD
Quality Assurance & Compliance
1 18 (10.91%) Data Quality
2 4 (2.42%) QA
3 3 (1.82%) Accessibility
4 2 (1.21%) SLA
5 1 (0.61%) GDPR
5 1 (0.61%) PMO
System Software
1 13 (7.88%) Docker
2 4 (2.42%) Active Directory
2 4 (2.42%) VMware Infrastructure
3 2 (1.21%) Hyper-V
3 2 (1.21%) Virtual Machines
3 2 (1.21%) vSphere
Systems Management
1 13 (7.88%) Kubernetes
2 11 (6.67%) Terraform
3 9 (5.45%) Progress Chef
3 9 (5.45%) Puppet
4 7 (4.24%) CloudHub
5 2 (1.21%) Kibana
5 2 (1.21%) Single Sign-On
5 2 (1.21%) WhatsUp Gold
6 1 (0.61%) Ansible
Vendors
1 22 (13.33%) Microsoft
2 16 (9.70%) SAP
3 14 (8.48%) IBM
4 10 (6.06%) ServiceNow
5 9 (5.45%) Salesforce
6 8 (4.85%) Guidewire
6 8 (4.85%) MuleSoft
7 5 (3.03%) Sage
7 5 (3.03%) VMware
8 4 (2.42%) Automation Anywhere
8 4 (2.42%) Concur
8 4 (2.42%) Google
8 4 (2.42%) OpenAI
8 4 (2.42%) Oracle
8 4 (2.42%) UiPath
8 4 (2.42%) Workday
9 2 (1.21%) Broadcom
9 2 (1.21%) Dynatrace
9 2 (1.21%) Ubiquiti
9 2 (1.21%) Xero