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

6 months to
12 Jul 2026
Same period 2025 Same period 2024
Rank 255 299 410
Rank change year-on-year +44 +111 -51
Permanent jobs citing Legacy Systems 175 108 94
As % of all permanent jobs in London 0.79% 0.86% 0.40%
As % of the Miscellaneous category 2.29% 1.91% 0.99%
Number of salaries quoted 122 64 76
10th Percentile £56,250 £55,500 £43,018
25th Percentile £66,750 £61,250 £63,218
Median annual salary (50th Percentile) £80,000 £76,250 £82,500
Median % change year-on-year +4.92% -7.58% -2.94%
75th Percentile £92,875 £96,563 £120,000
90th Percentile £120,000 £106,750 £152,500
England median annual salary £67,500 £65,000 £55,000
% change year-on-year +3.85% +18.18% -15.38%

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 7,642 5,654 9,498
As % of all permanent jobs advertised in London 34.32% 44.97% 40.87%
Number of salaries quoted 4,679 3,250 6,563
10th Percentile £41,250 £41,250 £38,000
25th Percentile £56,250 £55,250 £51,250
Median annual salary (50th Percentile) £80,000 £78,250 £75,000
Median % change year-on-year +2.24% +4.33% -
75th Percentile £100,000 £107,500 £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 12 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 12 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% 18
West London -8 15 £80,000 +28.00% 8
South London +19 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 (9.71%) Confluence
2 9 (5.14%) Anypoint
2 9 (5.14%) Mule
3 3 (1.71%) Appian
4 2 (1.14%) CMS
4 2 (1.14%) Microsoft Exchange
5 1 (0.57%) CICS
5 1 (0.57%) Jupyter
5 1 (0.57%) NServiceBus
5 1 (0.57%) SharePoint
Applications
1 12 (6.86%) MS Visio
2 1 (0.57%) Spreadsheet
Business Applications
1 4 (2.29%) SAP S/4HANA
2 3 (1.71%) Dynamics CRM
2 3 (1.71%) Workday HCM
3 2 (1.14%) SAP MDG
4 1 (0.57%) Misys Equation
4 1 (0.57%) Misys Midas
4 1 (0.57%) Sage 50
4 1 (0.57%) SAP HCM
4 1 (0.57%) Visualfiles
Cloud Services
1 54 (30.86%) Azure
2 38 (21.71%) AWS
3 15 (8.57%) Cloud Computing
4 12 (6.86%) AWS CloudFormation
4 12 (6.86%) Lucidchart
5 10 (5.71%) PaaS
6 9 (5.14%) Power Platform
7 8 (4.57%) Serverless
8 7 (4.00%) Azure DevOps
8 7 (4.00%) Entra ID
9 6 (3.43%) IaaS
9 6 (3.43%) Microsoft 365
9 6 (3.43%) SaaS
10 5 (2.86%) Azure Service Bus
10 5 (2.86%) Azure Synapse Analytics
10 5 (2.86%) GCP
11 4 (2.29%) Azure Event Grid
11 4 (2.29%) Azure Logic Apps
11 4 (2.29%) Dynamics 365
11 4 (2.29%) Power Automate
Communications & Networking
1 10 (5.71%) WAN
2 9 (5.14%) SSL
3 7 (4.00%) Network Security
4 6 (3.43%) DNS
4 6 (3.43%) Firewall
5 4 (2.29%) LAN
5 4 (2.29%) TCP/IP
5 4 (2.29%) VPN
5 4 (2.29%) Wi-Fi
6 2 (1.14%) DHCP
6 2 (1.14%) SAN
6 2 (1.14%) SD-WAN
6 2 (1.14%) Wireless
7 1 (0.57%) Broadband
7 1 (0.57%) DMARC
Database & Business Intelligence
1 15 (8.57%) PostgreSQL
2 14 (8.00%) Db2
3 10 (5.71%) DTS
4 8 (4.57%) Power BI
5 7 (4.00%) SQL Server
6 4 (2.29%) Data Lake
6 4 (2.29%) Data Warehouse
7 3 (1.71%) Pinecone
8 2 (1.14%) BigQuery
8 2 (1.14%) Relational Database
8 2 (1.14%) SAP Data Services
9 1 (0.57%) Amazon Athena
9 1 (0.57%) Looker
9 1 (0.57%) SAP BW
9 1 (0.57%) Snowflake Schema
9 1 (0.57%) SQL Server Analysis Services
9 1 (0.57%) SQL Server Integration Services
9 1 (0.57%) SQL Server Reporting Services
9 1 (0.57%) Star Schema
9 1 (0.57%) Tableau
Development Applications
1 11 (6.29%) JIRA
2 4 (2.29%) JUnit
3 3 (1.71%) Git
3 3 (1.71%) Jenkins
3 3 (1.71%) MLflow
4 2 (1.14%) JMeter
4 2 (1.14%) Maven
4 2 (1.14%) Mockito
4 2 (1.14%) Selenium
5 1 (0.57%) Bitbucket
5 1 (0.57%) Cucumber
5 1 (0.57%) GitLab
5 1 (0.57%) Jasmine
5 1 (0.57%) Mocha
5 1 (0.57%) NUnit
5 1 (0.57%) Plastic SCM
5 1 (0.57%) Storybook
General
1 69 (39.43%) Finance
2 36 (20.57%) Social Skills
3 27 (15.43%) Analytical Skills
4 18 (10.29%) Inclusion and Diversity
4 18 (10.29%) Law
4 18 (10.29%) Public Sector
5 15 (8.57%) Banking
6 12 (6.86%) Influencing Skills
7 8 (4.57%) Retail
8 7 (4.00%) Cyber-Physical System
8 7 (4.00%) Investment Banking
9 4 (2.29%) Back Office
9 4 (2.29%) Financial Institution
9 4 (2.29%) Manufacturing
10 3 (1.71%) General Ledger
10 3 (1.71%) Legal
11 2 (1.14%) Advertising
11 2 (1.14%) Front Office
12 1 (0.57%) Marketing
Job Titles
1 44 (25.14%) Architect
2 37 (21.14%) Senior
3 27 (15.43%) Consultant
4 25 (14.29%) Developer
5 21 (12.00%) Solutions Architect
6 17 (9.71%) Lead
7 15 (8.57%) Migration Consultant
7 15 (8.57%) Senior Architect
8 11 (6.29%) Analyst
8 11 (6.29%) Lead Developer
8 11 (6.29%) Professional Services Consultant
8 11 (6.29%) Software Engineer
9 9 (5.14%) Java Developer
9 9 (5.14%) MuleSoft Developer
9 9 (5.14%) Senior Consultant
9 9 (5.14%) Senior Solutions Architect
10 7 (4.00%) Azure Engineer
10 7 (4.00%) Cybersecurity Engineer
10 7 (4.00%) DevOps Engineer
10 7 (4.00%) Transformation Manager
Libraries, Frameworks & Software Standards
1 18 (10.29%) Spring Boot
2 17 (9.71%) Spring
3 15 (8.57%) Kafka
3 15 (8.57%) Node.js
4 14 (8.00%) Middleware
5 13 (7.43%) OAuth
6 12 (6.86%) JWT
7 11 (6.29%) .NET
8 10 (5.71%) OAuth2
8 10 (5.71%) React
9 9 (5.14%) MUnit
9 9 (5.14%) RAML
9 9 (5.14%) REST
10 8 (4.57%) RESTful
11 6 (3.43%) CSS
12 5 (2.86%) Web Services
13 4 (2.29%) FastAPI
13 4 (2.29%) Flask
13 4 (2.29%) HTML
13 4 (2.29%) PyTorch
Miscellaneous
1 32 (18.29%) Cloud Native
2 16 (9.14%) iSeries
3 15 (8.57%) Data Centre
3 15 (8.57%) Onboarding
4 14 (8.00%) Enterprise Cloud
5 12 (6.86%) Distributed Computing
5 12 (6.86%) Mainframe
6 10 (5.71%) EPoS
7 9 (5.14%) Fixed Income
8 8 (4.57%) AI Agents
8 8 (4.57%) Foreign Exchange (FX)
8 8 (4.57%) Reinsurance
9 7 (4.00%) AS400
9 7 (4.00%) Derivative
9 7 (4.00%) Greenfield Project
9 7 (4.00%) Operational Technology
10 6 (3.43%) Distributed Systems
11 5 (2.86%) Data Structures
12 4 (2.29%) Product Ownership
12 4 (2.29%) Security Posture
Operating Systems
1 5 (2.86%) Windows
2 4 (2.29%) Linux
3 3 (1.71%) Android
3 3 (1.71%) Apple iOS
Processes & Methodologies
1 64 (36.57%) Migration
2 39 (22.29%) AI
2 39 (22.29%) CI/CD
3 37 (21.14%) Mentoring
4 36 (20.57%) Agile
5 35 (20.00%) DevOps
5 35 (20.00%) Microservices
6 34 (19.43%) Event-Driven
6 34 (19.43%) Roadmaps
7 28 (16.00%) Continuous Improvement
7 28 (16.00%) Software Engineering
8 27 (15.43%) Machine Learning
9 24 (13.71%) Stakeholder Management
10 23 (13.14%) Event-Driven Architecture
10 23 (13.14%) Project Delivery
11 22 (12.57%) Problem-Solving
12 19 (10.86%) Test Automation
13 18 (10.29%) Data Migration
14 17 (9.71%) Analytics
14 17 (9.71%) Validation
Programming Languages
1 29 (16.57%) Python
2 24 (13.71%) Java
3 22 (12.57%) SQL
4 13 (7.43%) JavaScript
5 12 (6.86%) C#
5 12 (6.86%) RPG
6 9 (5.14%) DataWeave
6 9 (5.14%) TypeScript
7 3 (1.71%) Kotlin
7 3 (1.71%) Swift
8 2 (1.14%) C++
8 2 (1.14%) Go
8 2 (1.14%) Shell Script
8 2 (1.14%) X++
9 1 (0.57%) COBOL
9 1 (0.57%) JCL
9 1 (0.57%) MATLAB
9 1 (0.57%) Perl
9 1 (0.57%) PHP
9 1 (0.57%) Ruby
Qualifications
1 38 (21.71%) Security Cleared
2 25 (14.29%) SC Cleared
3 11 (6.29%) Degree
4 8 (4.57%) AWS Certification
4 8 (4.57%) Master's Degree
5 4 (2.29%) DBS Check
6 1 (0.57%) ACCA
6 1 (0.57%) Azure Certification
6 1 (0.57%) CIMA
6 1 (0.57%) Computer Science Degree
6 1 (0.57%) DV Cleared
6 1 (0.57%) Microsoft Certification
6 1 (0.57%) PhD
Quality Assurance & Compliance
1 17 (9.71%) Data Quality
2 4 (2.29%) QA
2 4 (2.29%) SLA
3 3 (1.71%) Accessibility
4 1 (0.57%) GDPR
4 1 (0.57%) PMO
System Software
1 12 (6.86%) Docker
2 6 (3.43%) Active Directory
2 6 (3.43%) VMware Infrastructure
3 4 (2.29%) Hyper-V
4 3 (1.71%) Virtual Machines
5 2 (1.14%) vSphere
Systems Management
1 12 (6.86%) Kubernetes
2 11 (6.29%) Progress Chef
2 11 (6.29%) Puppet
2 11 (6.29%) Terraform
3 9 (5.14%) CloudHub
4 2 (1.14%) Kibana
4 2 (1.14%) Single Sign-On
4 2 (1.14%) WhatsUp Gold
5 1 (0.57%) Ansible
Vendors
1 25 (14.29%) Microsoft
2 19 (10.86%) SAP
3 16 (9.14%) IBM
4 12 (6.86%) ServiceNow
5 11 (6.29%) Salesforce
6 10 (5.71%) MuleSoft
7 8 (4.57%) Guidewire
8 7 (4.00%) VMware
9 6 (3.43%) Workday
10 5 (2.86%) Oracle
10 5 (2.86%) Sage
11 4 (2.29%) Concur
11 4 (2.29%) Google
12 3 (1.71%) Automation Anywhere
12 3 (1.71%) HP
12 3 (1.71%) OpenAI
12 3 (1.71%) UiPath
13 2 (1.14%) Citrix
13 2 (1.14%) EMC
13 2 (1.14%) Xero