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

6 months to
15 Jul 2026
Same period 2025 Same period 2024
Rank 258 287 401
Rank change year-on-year +29 +114 -49
Permanent jobs citing Legacy Systems 174 101 94
As % of all permanent jobs in London 0.78% 0.81% 0.41%
As % of the Miscellaneous category 2.28% 1.80% 0.99%
Number of salaries quoted 120 65 76
10th Percentile £56,125 £55,200 £43,018
25th Percentile £66,750 £61,250 £63,218
Median annual salary (50th Percentile) £80,000 £75,000 £82,500
Median % change year-on-year +6.67% -9.09% -2.94%
75th Percentile £94,688 £96,250 £120,000
90th Percentile £120,000 £106,500 £152,500
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 7,618 5,607 9,474
As % of all permanent jobs advertised in London 34.23% 44.92% 40.85%
Number of salaries quoted 4,642 3,248 6,516
10th Percentile £41,250 £41,175 £38,084
25th Percentile £56,250 £55,000 £51,250
Median annual salary (50th Percentile) £80,000 £77,750 £75,000
Median % change year-on-year +2.89% +3.67% -
75th Percentile £100,000 £107,500 £101,250
90th Percentile £120,000 £136,250 £135,000
England median annual salary £59,300 £57,500 £55,000
% change year-on-year +3.13% +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 15 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 15 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 +10 24 £85,000 +13.33% 11
West London 0 15 £80,000 +28.00% 8
South London +15 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 (9.77%) Confluence
2 9 (5.17%) Anypoint
2 9 (5.17%) Mule
3 3 (1.72%) Appian
4 2 (1.15%) CMS
4 2 (1.15%) 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 (6.90%) MS Visio
2 1 (0.57%) Spreadsheet
Business Applications
1 5 (2.87%) SAP S/4HANA
2 3 (1.72%) Dynamics CRM
2 3 (1.72%) Workday HCM
3 2 (1.15%) 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 53 (30.46%) Azure
2 40 (22.99%) AWS
3 17 (9.77%) Cloud Computing
4 13 (7.47%) AWS CloudFormation
5 12 (6.90%) Lucidchart
6 10 (5.75%) PaaS
7 9 (5.17%) Power Platform
7 9 (5.17%) Serverless
8 7 (4.02%) Azure DevOps
8 7 (4.02%) Entra ID
9 6 (3.45%) IaaS
9 6 (3.45%) Microsoft 365
9 6 (3.45%) SaaS
10 5 (2.87%) Azure Service Bus
10 5 (2.87%) Azure Synapse Analytics
10 5 (2.87%) GCP
11 4 (2.30%) Azure ExpressRoute
11 4 (2.30%) Azure Logic Apps
11 4 (2.30%) Dynamics 365
11 4 (2.30%) Power Automate
Communications & Networking
1 10 (5.75%) WAN
2 9 (5.17%) SSL
3 7 (4.02%) Network Security
4 6 (3.45%) DNS
4 6 (3.45%) Firewall
5 4 (2.30%) LAN
5 4 (2.30%) TCP/IP
5 4 (2.30%) VPN
5 4 (2.30%) Wi-Fi
6 2 (1.15%) DHCP
6 2 (1.15%) SAN
6 2 (1.15%) SD-WAN
6 2 (1.15%) Wireless
7 1 (0.57%) Broadband
7 1 (0.57%) DMARC
Database & Business Intelligence
1 15 (8.62%) PostgreSQL
2 14 (8.05%) Db2
3 10 (5.75%) DTS
4 8 (4.60%) Power BI
5 7 (4.02%) SQL Server
6 4 (2.30%) Data Lake
7 3 (1.72%) Data Warehouse
7 3 (1.72%) Pinecone
8 2 (1.15%) BigQuery
8 2 (1.15%) Relational Database
8 2 (1.15%) SAP Data Services
9 1 (0.57%) Amazon Athena
9 1 (0.57%) Data Vault
9 1 (0.57%) Looker
9 1 (0.57%) SAP BW
9 1 (0.57%) Semantic Layer
9 1 (0.57%) Snowflake Schema
9 1 (0.57%) Star Schema
9 1 (0.57%) Tableau
Development Applications
1 11 (6.32%) JIRA
2 4 (2.30%) JUnit
3 3 (1.72%) Git
3 3 (1.72%) Jenkins
3 3 (1.72%) MLflow
4 2 (1.15%) JMeter
4 2 (1.15%) Maven
4 2 (1.15%) Mockito
4 2 (1.15%) 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
General
1 69 (39.66%) Finance
2 35 (20.11%) Social Skills
3 27 (15.52%) Analytical Skills
4 18 (10.34%) Inclusion and Diversity
4 18 (10.34%) Law
4 18 (10.34%) Public Sector
5 14 (8.05%) Banking
6 13 (7.47%) Influencing Skills
7 8 (4.60%) Retail
8 7 (4.02%) Cyber-Physical System
8 7 (4.02%) Investment Banking
9 4 (2.30%) Back Office
9 4 (2.30%) Financial Institution
9 4 (2.30%) Manufacturing
10 3 (1.72%) General Ledger
10 3 (1.72%) Legal
11 2 (1.15%) Advertising
11 2 (1.15%) Front Office
12 1 (0.57%) Marketing
Job Titles
1 43 (24.71%) Architect
2 38 (21.84%) Senior
3 28 (16.09%) Consultant
4 25 (14.37%) Developer
5 21 (12.07%) Solutions Architect
6 18 (10.34%) Lead
7 17 (9.77%) Migration Consultant
8 15 (8.62%) Senior Architect
9 12 (6.90%) Professional Services Consultant
10 11 (6.32%) Analyst
10 11 (6.32%) Lead Developer
10 11 (6.32%) Senior Consultant
10 11 (6.32%) Software Engineer
11 9 (5.17%) Java Developer
11 9 (5.17%) MuleSoft Developer
11 9 (5.17%) Senior Solutions Architect
12 7 (4.02%) Azure Engineer
12 7 (4.02%) Cybersecurity Engineer
12 7 (4.02%) Senior Professional Services Consultant
12 7 (4.02%) Transformation Manager
Libraries, Frameworks & Software Standards
1 18 (10.34%) Spring Boot
2 17 (9.77%) Spring
3 15 (8.62%) Kafka
3 15 (8.62%) Node.js
4 14 (8.05%) Middleware
5 13 (7.47%) OAuth
6 12 (6.90%) JWT
7 11 (6.32%) .NET
8 10 (5.75%) OAuth2
8 10 (5.75%) React
9 9 (5.17%) MUnit
9 9 (5.17%) RAML
9 9 (5.17%) REST
10 8 (4.60%) RESTful
11 6 (3.45%) CSS
12 5 (2.87%) Web Services
13 4 (2.30%) FastAPI
13 4 (2.30%) Flask
13 4 (2.30%) HTML
13 4 (2.30%) PyTorch
Miscellaneous
1 32 (18.39%) Cloud Native
2 17 (9.77%) Onboarding
3 16 (9.20%) Data Centre
3 16 (9.20%) Enterprise Cloud
3 16 (9.20%) iSeries
4 13 (7.47%) Distributed Computing
4 13 (7.47%) Mainframe
5 10 (5.75%) EPoS
6 9 (5.17%) Fixed Income
7 8 (4.60%) AI Agents
7 8 (4.60%) Foreign Exchange (FX)
7 8 (4.60%) Reinsurance
8 7 (4.02%) AS400
8 7 (4.02%) Derivative
8 7 (4.02%) Greenfield Project
8 7 (4.02%) Operational Technology
9 6 (3.45%) Distributed Systems
10 5 (2.87%) Data Structures
11 4 (2.30%) Product Ownership
11 4 (2.30%) Security Posture
Operating Systems
1 5 (2.87%) Windows
2 4 (2.30%) Linux
3 3 (1.72%) Android
3 3 (1.72%) Apple iOS
Processes & Methodologies
1 64 (36.78%) Migration
2 39 (22.41%) AI
2 39 (22.41%) Mentoring
3 38 (21.84%) CI/CD
4 35 (20.11%) Agile
4 35 (20.11%) Microservices
5 34 (19.54%) DevOps
5 34 (19.54%) Event-Driven
5 34 (19.54%) Roadmaps
6 28 (16.09%) Continuous Improvement
6 28 (16.09%) Machine Learning
6 28 (16.09%) Software Engineering
7 25 (14.37%) Project Delivery
8 24 (13.79%) Stakeholder Management
9 23 (13.22%) Event-Driven Architecture
10 21 (12.07%) Problem-Solving
11 18 (10.34%) Test Automation
12 17 (9.77%) Containerisation
12 17 (9.77%) Data Migration
13 16 (9.20%) Database Migration
Programming Languages
1 29 (16.67%) Python
2 24 (13.79%) Java
3 20 (11.49%) SQL
4 13 (7.47%) JavaScript
5 12 (6.90%) C#
5 12 (6.90%) RPG
6 9 (5.17%) DataWeave
6 9 (5.17%) TypeScript
7 3 (1.72%) Kotlin
7 3 (1.72%) Swift
8 2 (1.15%) C++
8 2 (1.15%) Go
8 2 (1.15%) Shell Script
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
9 1 (0.57%) X++
Qualifications
1 39 (22.41%) Security Cleared
2 25 (14.37%) SC Cleared
3 11 (6.32%) Degree
4 9 (5.17%) AWS Certification
5 8 (4.60%) Master's Degree
6 4 (2.30%) DBS Check
7 1 (0.57%) ACCA
7 1 (0.57%) Azure Certification
7 1 (0.57%) CIMA
7 1 (0.57%) Computer Science Degree
7 1 (0.57%) DV Cleared
7 1 (0.57%) Microsoft Certification
7 1 (0.57%) PhD
7 1 (0.57%) PMI Certification
7 1 (0.57%) PMP
Quality Assurance & Compliance
1 16 (9.20%) Data Quality
2 4 (2.30%) SLA
3 3 (1.72%) QA
4 2 (1.15%) Accessibility
4 2 (1.15%) PMO
5 1 (0.57%) GDPR
System Software
1 12 (6.90%) Docker
2 6 (3.45%) Active Directory
2 6 (3.45%) VMware Infrastructure
3 4 (2.30%) Hyper-V
3 4 (2.30%) Virtual Machines
4 2 (1.15%) vSphere
Systems Management
1 12 (6.90%) Kubernetes
1 12 (6.90%) Progress Chef
1 12 (6.90%) Puppet
2 11 (6.32%) Terraform
3 9 (5.17%) CloudHub
4 2 (1.15%) Kibana
4 2 (1.15%) Single Sign-On
4 2 (1.15%) WhatsUp Gold
5 1 (0.57%) Ansible
Vendors
1 24 (13.79%) Microsoft
2 21 (12.07%) SAP
3 17 (9.77%) IBM
4 12 (6.90%) ServiceNow
5 11 (6.32%) Salesforce
6 10 (5.75%) MuleSoft
7 7 (4.02%) Guidewire
7 7 (4.02%) VMware
8 6 (3.45%) Oracle
8 6 (3.45%) Workday
9 5 (2.87%) Sage
10 4 (2.30%) Concur
10 4 (2.30%) Google
10 4 (2.30%) HP
11 3 (1.72%) Automation Anywhere
11 3 (1.72%) OpenAI
11 3 (1.72%) UiPath
12 2 (1.15%) Meraki
12 2 (1.15%) Ubiquiti
12 2 (1.15%) Xero