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

6 months to
14 Jun 2026
Same period 2025 Same period 2024
Rank 267 282 427
Rank change year-on-year +15 +145 -57
Permanent jobs citing Legacy Systems 146 109 89
As % of all permanent jobs in London 0.68% 0.89% 0.36%
As % of the Miscellaneous category 2.03% 1.97% 0.90%
Number of salaries quoted 100 58 71
10th Percentile £54,750 £54,600 £52,500
25th Percentile £65,000 £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 £100,000 £95,938 £110,000
90th Percentile £130,000 £105,000 £145,000
England median annual salary £65,000 £65,000 £57,500
% change year-on-year - +13.04% -11.54%

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 7,177 5,543 9,886
As % of all permanent jobs advertised in London 33.65% 45.33% 40.24%
Number of salaries quoted 4,453 3,055 6,892
10th Percentile £41,250 £41,250 £37,500
25th Percentile £55,725 £56,250 £51,250
Median annual salary (50th Percentile) £80,000 £80,000 £75,000
Median % change year-on-year - +6.67% -1.96%
75th Percentile £100,000 £110,000 £100,000
90th Percentile £121,450 £136,250 £130,000
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 14 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 14 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 -4 25 £83,750 +11.67% 19
West London -16 4 £80,000 +28.00% 14
South London - 3 - -
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 10 (6.85%) Confluence
2 7 (4.79%) Appian
3 3 (2.05%) Anypoint
3 3 (2.05%) Mule
4 2 (1.37%) Microsoft Exchange
5 1 (0.68%) CICS
5 1 (0.68%) CMS
5 1 (0.68%) Jupyter
5 1 (0.68%) NServiceBus
5 1 (0.68%) SharePoint
Applications
1 5 (3.42%) MS Visio
2 1 (0.68%) Spreadsheet
Business Applications
1 4 (2.74%) SAP S/4HANA
2 2 (1.37%) Aladdin
2 2 (1.37%) Dynamics CRM
2 2 (1.37%) SAP MDG
3 1 (0.68%) Misys Equation
3 1 (0.68%) Misys Midas
3 1 (0.68%) Sage 50
3 1 (0.68%) Visualfiles
Cloud Services
1 42 (28.77%) Azure
2 16 (10.96%) AWS
3 10 (6.85%) Power Platform
4 8 (5.48%) Azure DevOps
5 7 (4.79%) Anthropic Claude
5 7 (4.79%) Azure AI
5 7 (4.79%) Azure Data Factory
5 7 (4.79%) Entra ID
5 7 (4.79%) PaaS
5 7 (4.79%) Power Automate
6 6 (4.11%) Microsoft 365
7 5 (3.42%) Azure Synapse Analytics
7 5 (3.42%) Lucidchart
7 5 (3.42%) Serverless
8 4 (2.74%) Azure Event Grid
8 4 (2.74%) Azure Logic Apps
8 4 (2.74%) Azure Service Bus
8 4 (2.74%) GCP
8 4 (2.74%) SaaS
9 3 (2.05%) Datadog
Communications & Networking
1 7 (4.79%) Network Security
1 7 (4.79%) WAN
2 3 (2.05%) DNS
2 3 (2.05%) Firewall
2 3 (2.05%) SSL
3 2 (1.37%) DHCP
3 2 (1.37%) SAN
3 2 (1.37%) SD-WAN
3 2 (1.37%) Wireless
4 1 (0.68%) Broadband
4 1 (0.68%) LAN
4 1 (0.68%) TCP/IP
4 1 (0.68%) VPN
4 1 (0.68%) Wi-Fi
Database & Business Intelligence
1 16 (10.96%) SQL Server
2 9 (6.16%) Power BI
3 8 (5.48%) Db2
3 8 (5.48%) PostgreSQL
4 7 (4.79%) Pinecone
5 6 (4.11%) Data Warehouse
5 6 (4.11%) SQL Server Integration Services
6 4 (2.74%) Data Lake
6 4 (2.74%) DTS
7 3 (2.05%) Tableau
8 2 (1.37%) BigQuery
8 2 (1.37%) Relational Database
8 2 (1.37%) SAP Data Services
9 1 (0.68%) Amazon Athena
9 1 (0.68%) Looker
9 1 (0.68%) SAP BW
9 1 (0.68%) Snowflake Schema
9 1 (0.68%) SQL Server Analysis Services
9 1 (0.68%) SQL Server Reporting Services
9 1 (0.68%) Star Schema
Development Applications
1 8 (5.48%) JIRA
2 7 (4.79%) MLflow
3 5 (3.42%) Octopus Deploy
3 5 (3.42%) TeamCity
4 4 (2.74%) Jenkins
4 4 (2.74%) JUnit
5 3 (2.05%) Git
5 3 (2.05%) JMeter
5 3 (2.05%) Storybook
6 2 (1.37%) Maven
6 2 (1.37%) Mockito
7 1 (0.68%) Bitbucket
7 1 (0.68%) Cucumber
7 1 (0.68%) GitLab
7 1 (0.68%) LoadRunner
7 1 (0.68%) Plastic SCM
7 1 (0.68%) Selenium
General
1 77 (52.74%) Finance
2 42 (28.77%) Social Skills
3 27 (18.49%) Analytical Skills
4 20 (13.70%) Inclusion and Diversity
5 16 (10.96%) Banking
6 12 (8.22%) Influencing Skills
7 11 (7.53%) Law
8 8 (5.48%) Retail
9 7 (4.79%) Cyber-Physical System
9 7 (4.79%) Investment Banking
9 7 (4.79%) Public Sector
10 4 (2.74%) Back Office
10 4 (2.74%) Financial Institution
10 4 (2.74%) Manufacturing
11 3 (2.05%) Legal
12 2 (1.37%) Advertising
12 2 (1.37%) Front Office
13 1 (0.68%) Marketing
Job Titles
1 36 (24.66%) Architect
2 27 (18.49%) Senior
3 18 (12.33%) Developer
4 15 (10.27%) Analyst
5 14 (9.59%) Senior Architect
6 13 (8.90%) Solutions Architect
7 12 (8.22%) Software Engineer
8 11 (7.53%) Lead
9 9 (6.16%) Business Analyst
10 8 (5.48%) DevOps Engineer
10 8 (5.48%) Senior Solutions Architect
11 7 (4.79%) Artificial Intelligence Engineer
11 7 (4.79%) Automation Engineer
11 7 (4.79%) Cybersecurity Engineer
11 7 (4.79%) Java Developer
11 7 (4.79%) Research Engineer
11 7 (4.79%) Security Engineer
11 7 (4.79%) Transformation Manager
12 6 (4.11%) Data Analyst
12 6 (4.11%) Enterprise Architect
Libraries, Frameworks & Software Standards
1 17 (11.64%) .NET
2 12 (8.22%) React
3 11 (7.53%) REST
3 11 (7.53%) Web Services
4 10 (6.85%) JWT
4 10 (6.85%) OAuth
4 10 (6.85%) RESTful
5 9 (6.16%) Spring
6 8 (5.48%) FastAPI
6 8 (5.48%) Flask
6 8 (5.48%) PyTorch
6 8 (5.48%) Spring Boot
7 7 (4.79%) Faiss
7 7 (4.79%) Hugging Face
7 7 (4.79%) OpenAPI
7 7 (4.79%) Pandas
7 7 (4.79%) pytest
7 7 (4.79%) scikit-learn
7 7 (4.79%) Swagger
7 7 (4.79%) TensorFlow
Miscellaneous
1 26 (17.81%) Cloud Native
2 9 (6.16%) Fixed Income
3 8 (5.48%) AI Agents
3 8 (5.48%) Foreign Exchange (FX)
3 8 (5.48%) Reinsurance
4 7 (4.79%) Derivative
4 7 (4.79%) iSeries
4 7 (4.79%) Low-Code
4 7 (4.79%) Operational Technology
4 7 (4.79%) Virtual Team
5 6 (4.11%) Distributed Systems
6 5 (3.42%) Hybrid Cloud
6 5 (3.42%) Product Ownership
7 4 (2.74%) AS400
7 4 (2.74%) EPoS
8 3 (2.05%) Data Structures
8 3 (2.05%) Learning Management System
8 3 (2.05%) Replication
9 2 (1.37%) Algorithms
9 2 (1.37%) Management Information System
Operating Systems
1 3 (2.05%) Android
1 3 (2.05%) Apple iOS
2 2 (1.37%) Linux
2 2 (1.37%) Windows
Processes & Methodologies
1 46 (31.51%) Migration
2 42 (28.77%) AI
3 36 (24.66%) Agile
4 35 (23.97%) CI/CD
5 34 (23.29%) DevOps
6 32 (21.92%) Roadmaps
7 27 (18.49%) Machine Learning
7 27 (18.49%) Problem-Solving
7 27 (18.49%) Software Engineering
8 26 (17.81%) Microservices
8 26 (17.81%) Stakeholder Management
9 21 (14.38%) Data Modelling
10 19 (13.01%) Event-Driven
10 19 (13.01%) User Acceptance Testing
11 18 (12.33%) Requirements Gathering
11 18 (12.33%) Validation
12 17 (11.64%) Continuous Improvement
13 16 (10.96%) Analytics
13 16 (10.96%) Data Migration
13 16 (10.96%) Test Automation
Programming Languages
1 32 (21.92%) Python
1 32 (21.92%) SQL
2 15 (10.27%) Java
3 13 (8.90%) C#
3 13 (8.90%) JavaScript
4 9 (6.16%) TypeScript
5 6 (4.11%) PowerShell
5 6 (4.11%) RPG
6 3 (2.05%) C++
6 3 (2.05%) DataWeave
6 3 (2.05%) Kotlin
6 3 (2.05%) Swift
7 2 (1.37%) Go
7 2 (1.37%) Shell Script
7 2 (1.37%) X++
8 1 (0.68%) COBOL
8 1 (0.68%) JCL
8 1 (0.68%) MATLAB
8 1 (0.68%) Perl
8 1 (0.68%) Ruby
Qualifications
1 21 (14.38%) Security Cleared
2 19 (13.01%) SC Cleared
3 10 (6.85%) Degree
4 8 (5.48%) Master's Degree
5 4 (2.74%) DBS Check
6 1 (0.68%) ACCA
6 1 (0.68%) CIMA
6 1 (0.68%) Computer Science Degree
6 1 (0.68%) DV Cleared
6 1 (0.68%) Microsoft Certification
6 1 (0.68%) PhD
Quality Assurance & Compliance
1 20 (13.70%) Data Quality
2 6 (4.11%) QA
3 5 (3.42%) Accessibility
4 1 (0.68%) Actionable Recommendations
4 1 (0.68%) GDPR
4 1 (0.68%) SLA
System Software
1 16 (10.96%) Docker
2 3 (2.05%) Active Directory
2 3 (2.05%) VMware Infrastructure
3 2 (1.37%) vSphere
4 1 (0.68%) Hyper-V
Systems Management
1 16 (10.96%) Kubernetes
2 12 (8.22%) Terraform
3 3 (2.05%) CloudHub
3 3 (2.05%) Kibana
4 2 (1.37%) Single Sign-On
4 2 (1.37%) WhatsUp Gold
5 1 (0.68%) Ansible
5 1 (0.68%) Grafana
Vendors
1 20 (13.70%) Microsoft
2 10 (6.85%) Guidewire
3 8 (5.48%) SAP
4 7 (4.79%) Automation Anywhere
4 7 (4.79%) IBM
4 7 (4.79%) OpenAI
4 7 (4.79%) ServiceNow
4 7 (4.79%) UiPath
5 5 (3.42%) Sage
5 5 (3.42%) Salesforce
6 4 (2.74%) Concur
6 4 (2.74%) MuleSoft
6 4 (2.74%) VMware
7 3 (2.05%) Dynatrace
7 3 (2.05%) Google
7 3 (2.05%) Pega
7 3 (2.05%) Sitecore
7 3 (2.05%) Splunk
8 2 (1.37%) Bloomberg
8 2 (1.37%) Sophos