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

6 months to
17 Mar 2026
Same period 2025 Same period 2024
Rank 257 291 394
Rank change year-on-year +34 +103 -39
Permanent jobs citing Legacy Systems 140 116 92
As % of all permanent jobs in London 0.82% 0.87% 0.42%
As % of the Miscellaneous category 2.17% 1.95% 1.04%
Number of salaries quoted 92 52 79
10th Percentile £52,410 £38,750 £52,500
25th Percentile £62,500 £43,125 £63,218
Median annual salary (50th Percentile) £73,750 £62,500 £82,500
Median % change year-on-year +18.00% -24.24% -2.94%
75th Percentile £94,063 £89,375 £91,250
90th Percentile £120,000 £105,000 £112,000
England median annual salary £65,000 £52,500 £57,500
% change year-on-year +23.81% -8.70% -23.33%

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 6,440 5,950 8,888
As % of all permanent jobs advertised in London 37.72% 44.53% 40.64%
Number of salaries quoted 3,826 3,263 6,572
10th Percentile £37,000 £42,500 £38,000
25th Percentile £52,500 £56,250 £52,500
Median annual salary (50th Percentile) £77,500 £80,000 £75,000
Median % change year-on-year -3.13% +6.67% -
75th Percentile £100,000 £110,000 £100,000
90th Percentile £125,000 £132,500 £125,000
England median annual salary £57,500 £60,000 £55,000
% change year-on-year -4.17% +9.09% -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 17 March 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 17 March 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 +13 27 £65,000 -4.41% 20
South London +31 2 £48,975 -0.05% 1
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 12 (8.57%) Appian
2 7 (5.00%) Confluence
3 4 (2.86%) SharePoint
4 2 (1.43%) Apache
4 2 (1.43%) Apache Airflow
4 2 (1.43%) Microsoft Exchange
5 1 (0.71%) Apache Spark
5 1 (0.71%) Jupyter
5 1 (0.71%) SAS
Applications
1 2 (1.43%) Microsoft Excel
1 2 (1.43%) Microsoft Office
2 1 (0.71%) MS Visio
2 1 (0.71%) Spreadsheet
Business Applications
1 3 (2.14%) Dynamics CRM
2 2 (1.43%) Aladdin
3 1 (0.71%) Sage 50
3 1 (0.71%) SAP S/4HANA
Cloud Services
1 54 (38.57%) Azure
2 17 (12.14%) Azure DevOps
3 16 (11.43%) Power Platform
4 13 (9.29%) Azure Data Factory
4 13 (9.29%) Power Automate
5 12 (8.57%) Anthropic Claude
5 12 (8.57%) Azure AI
6 10 (7.14%) AWS
6 10 (7.14%) SaaS
7 8 (5.71%) Entra ID
7 8 (5.71%) Microsoft 365
8 7 (5.00%) PaaS
9 6 (4.29%) Azure Service Bus
9 6 (4.29%) Azure Synapse Analytics
10 5 (3.57%) Azure Logic Apps
11 4 (2.86%) Azure Event Grid
11 4 (2.86%) Dynamics 365
11 4 (2.86%) GCP
12 3 (2.14%) Figma
12 3 (2.14%) GitHub
Communications & Networking
1 7 (5.00%) WAN
2 5 (3.57%) Firewall
3 3 (2.14%) SD-WAN
4 2 (1.43%) Extranet
4 2 (1.43%) Intranet
4 2 (1.43%) LAN
4 2 (1.43%) Wi-Fi
5 1 (0.71%) NAS
5 1 (0.71%) PSTN
5 1 (0.71%) SAN
5 1 (0.71%) TCP/IP
5 1 (0.71%) Unified Communications
5 1 (0.71%) VoIP
5 1 (0.71%) VPN
Database & Business Intelligence
1 44 (31.43%) SQL Server
2 15 (10.71%) SQL Server Integration Services
3 14 (10.00%) Power BI
4 12 (8.57%) MySQL
4 12 (8.57%) Pinecone
5 4 (2.86%) Data Warehouse
6 3 (2.14%) BigQuery
6 3 (2.14%) Tableau
7 2 (1.43%) Azure SQL Database
7 2 (1.43%) Data Lake
7 2 (1.43%) Oracle Database
7 2 (1.43%) PostgreSQL
7 2 (1.43%) SQL Server Analysis Services
7 2 (1.43%) SQL Server Reporting Services
8 1 (0.71%) Delta Lake
8 1 (0.71%) IBM InfoSphere
8 1 (0.71%) Looker
8 1 (0.71%) Metadata
8 1 (0.71%) Relational Database
8 1 (0.71%) SAS EBI
Development Applications
1 12 (8.57%) MLflow
1 12 (8.57%) Octopus Deploy
1 12 (8.57%) TeamCity
2 7 (5.00%) JIRA
3 5 (3.57%) Git
4 3 (2.14%) JUnit
4 3 (2.14%) Storybook
5 2 (1.43%) GitLab
5 2 (1.43%) Jenkins
5 2 (1.43%) Maven
5 2 (1.43%) Synon
6 1 (0.71%) Cucumber
6 1 (0.71%) JMeter
6 1 (0.71%) LoadRunner
6 1 (0.71%) Plastic SCM
6 1 (0.71%) Selenium
General
1 66 (47.14%) Finance
2 49 (35.00%) Social Skills
3 14 (10.00%) Analytical Skills
4 12 (8.57%) Inclusion and Diversity
5 10 (7.14%) Banking
6 6 (4.29%) Public Sector
7 5 (3.57%) Investment Banking
7 5 (3.57%) Law
7 5 (3.57%) Legal
8 4 (2.86%) Retail
9 3 (2.14%) Financial Institution
9 3 (2.14%) Manufacturing
10 2 (1.43%) Front Office
10 2 (1.43%) Influencing Skills
10 2 (1.43%) Marketing
11 1 (0.71%) Advertising
11 1 (0.71%) Health Technology
11 1 (0.71%) International Banking
11 1 (0.71%) Mandarin Language
Job Titles
1 23 (16.43%) Architect
2 18 (12.86%) Analyst
3 16 (11.43%) Consultant
3 16 (11.43%) Developer
3 16 (11.43%) Senior
4 12 (8.57%) Artificial Intelligence Engineer
4 12 (8.57%) Automation Engineer
4 12 (8.57%) Business Analyst
4 12 (8.57%) DevOps Engineer
5 8 (5.71%) Lead
5 8 (5.71%) Technical Architect
6 6 (4.29%) Data Analyst
6 6 (4.29%) Enterprise Architect
6 6 (4.29%) Software Engineer
7 5 (3.57%) Data Engineer
7 5 (3.57%) Senior Architect
8 4 (2.86%) Azure Engineer
8 4 (2.86%) Infrastructure Engineer
8 4 (2.86%) Java Developer
8 4 (2.86%) Lead Software Engineer
Libraries, Frameworks & Software Standards
1 22 (15.71%) .NET
2 19 (13.57%) REST
3 16 (11.43%) Web Services
4 14 (10.00%) Flask
4 14 (10.00%) OpenAPI
4 14 (10.00%) Pandas
4 14 (10.00%) RESTful
4 14 (10.00%) Swagger
5 13 (9.29%) Django
5 13 (9.29%) FastAPI
5 13 (9.29%) pytest
6 12 (8.57%) Faiss
6 12 (8.57%) Hugging Face
6 12 (8.57%) JWT
6 12 (8.57%) NumPy
6 12 (8.57%) OAuth
6 12 (8.57%) PyTorch
6 12 (8.57%) scikit-learn
6 12 (8.57%) TensorFlow
7 7 (5.00%) React
Miscellaneous
1 21 (15.00%) Cloud Native
2 13 (9.29%) Virtual Team
3 12 (8.57%) Hybrid Cloud
3 12 (8.57%) Low-Code
4 6 (4.29%) Management Information System
5 5 (3.57%) Fixed Income
6 4 (2.86%) Data Structures
7 3 (2.14%) Cyber Threat
7 3 (2.14%) Derivative
7 3 (2.14%) Distributed Architecture
7 3 (2.14%) Foreign Exchange (FX)
7 3 (2.14%) Learning Management System
8 2 (1.43%) Analytical Mindset
8 2 (1.43%) CMDB
8 2 (1.43%) Data Protection Act
8 2 (1.43%) Enterprise Software
8 2 (1.43%) Legacy Applications
8 2 (1.43%) Product Ownership
8 2 (1.43%) Shadow IT
9 1 (0.71%) Onboarding
Operating Systems
1 4 (2.86%) Windows
2 2 (1.43%) VMS
2 2 (1.43%) Windows Server
3 1 (0.71%) Linux
3 1 (0.71%) Windows Server 2012
Processes & Methodologies
1 48 (34.29%) Migration
2 41 (29.29%) AI
2 41 (29.29%) CI/CD
2 41 (29.29%) DevOps
3 26 (18.57%) Roadmaps
3 26 (18.57%) Stakeholder Management
4 25 (17.86%) Problem-Solving
5 24 (17.14%) Data Modelling
5 24 (17.14%) OO
6 23 (16.43%) Machine Learning
7 22 (15.71%) Agile
7 22 (15.71%) API Integration
7 22 (15.71%) User Acceptance Testing
8 21 (15.00%) Requirements Gathering
9 20 (14.29%) Validation
10 18 (12.86%) Business Intelligence
10 18 (12.86%) ETL
11 17 (12.14%) Clean Code
11 17 (12.14%) Data Pipeline
11 17 (12.14%) Test Automation
Programming Languages
1 43 (30.71%) SQL
2 27 (19.29%) Python
3 18 (12.86%) PowerShell
4 13 (9.29%) Delphi
5 12 (8.57%) Pascal
6 10 (7.14%) Java
7 9 (6.43%) C#
8 7 (5.00%) JavaScript
9 3 (2.14%) TypeScript
10 2 (1.43%) Bash
10 2 (1.43%) Bicep
10 2 (1.43%) Go
10 2 (1.43%) RPG
10 2 (1.43%) Ruby
10 2 (1.43%) X++
11 1 (0.71%) Data Analysis Expressions
11 1 (0.71%) PHP
11 1 (0.71%) PL/SQL
11 1 (0.71%) Scala
11 1 (0.71%) T-SQL
Qualifications
1 10 (7.14%) Degree
2 6 (4.29%) Computer Science Degree
3 5 (3.57%) SC Cleared
3 5 (3.57%) Security Cleared
4 2 (1.43%) Azure Certification
4 2 (1.43%) Master's Degree
4 2 (1.43%) Microsoft Certification
4 2 (1.43%) PhD
5 1 (0.71%) ACCA
5 1 (0.71%) CCNP
5 1 (0.71%) CIMA
5 1 (0.71%) Cisco Certification
Quality Assurance & Compliance
1 20 (14.29%) Data Quality
2 18 (12.86%) QA
3 7 (5.00%) Accessibility
4 5 (3.57%) ISO/IEC 27001
5 3 (2.14%) COBIT
6 1 (0.71%) Actionable Recommendations
6 1 (0.71%) Cyber Essentials
6 1 (0.71%) Cyber Essentials PLUS
6 1 (0.71%) GDPR
6 1 (0.71%) NIST
System Software
1 16 (11.43%) Docker
2 2 (1.43%) Active Directory
2 2 (1.43%) VMware ESXi
2 2 (1.43%) VMware Infrastructure
3 1 (0.71%) VMware Server
3 1 (0.71%) vSphere
Systems Management
1 22 (15.71%) Kubernetes
2 19 (13.57%) Terraform
3 2 (1.43%) Ansible
3 2 (1.43%) Grafana
3 2 (1.43%) Microsoft Intune
4 1 (0.71%) Cisco CUCM
4 1 (0.71%) FortiGate
4 1 (0.71%) Kibana
4 1 (0.71%) SCOM
4 1 (0.71%) vCenter Server
4 1 (0.71%) ZABBIX
Vendors
1 30 (21.43%) Microsoft
2 17 (12.14%) Oracle
3 12 (8.57%) Automation Anywhere
3 12 (8.57%) OpenAI
3 12 (8.57%) UiPath
4 6 (4.29%) ServiceNow
5 5 (3.57%) Sage
6 4 (2.86%) Cisco
6 4 (2.86%) Concur
6 4 (2.86%) VMware
7 3 (2.14%) AppDynamics
7 3 (2.14%) Google
7 3 (2.14%) Guidewire
7 3 (2.14%) Pega
7 3 (2.14%) Salesforce
7 3 (2.14%) Sitecore
8 2 (1.43%) Bloomberg
8 2 (1.43%) Charles River
8 2 (1.43%) IBM
8 2 (1.43%) SAP