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

6 months to
13 Mar 2026
Same period 2025 Same period 2024
Rank 253 293 391
Rank change year-on-year +40 +98 -29
Permanent jobs citing Legacy Systems 142 116 91
As % of all permanent jobs in London 0.84% 0.85% 0.42%
As % of the Miscellaneous category 2.23% 1.92% 1.02%
Number of salaries quoted 91 52 78
10th Percentile £52,400 £38,750 £52,500
25th Percentile £62,500 £43,125 £63,218
Median annual salary (50th Percentile) £75,000 £62,500 £82,500
Median % change year-on-year +20.00% -24.24% -2.94%
75th Percentile £95,000 £95,625 £90,000
90th Percentile £120,000 £107,250 £108,250
England median annual salary £65,000 £52,500 £55,000
% change year-on-year +23.81% -4.55% -26.67%

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 6,375 6,031 8,889
As % of all permanent jobs advertised in London 37.91% 44.40% 40.63%
Number of salaries quoted 3,787 3,243 6,588
10th Percentile £37,000 £42,500 £38,353
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 £126,250 £132,250 £125,000
England median annual salary £57,500 £61,110 £55,000
% change year-on-year -5.91% +11.11% -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 13 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 13 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 +14 26 £65,000 +2.36% 17
South London +34 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 (8.45%) Appian
2 7 (4.93%) Confluence
3 4 (2.82%) SharePoint
4 2 (1.41%) Apache
4 2 (1.41%) Apache Airflow
4 2 (1.41%) Microsoft Exchange
5 1 (0.70%) Apache Spark
5 1 (0.70%) Jupyter
5 1 (0.70%) SAS
Applications
1 2 (1.41%) Microsoft Excel
1 2 (1.41%) Microsoft Office
2 1 (0.70%) MS Visio
2 1 (0.70%) Spreadsheet
Business Applications
1 3 (2.11%) Dynamics CRM
2 2 (1.41%) Aladdin
3 1 (0.70%) Sage 50
3 1 (0.70%) SAP S/4HANA
Cloud Services
1 54 (38.03%) Azure
2 17 (11.97%) Azure DevOps
3 16 (11.27%) Power Platform
4 13 (9.15%) Azure Data Factory
4 13 (9.15%) Power Automate
5 12 (8.45%) Anthropic Claude
5 12 (8.45%) Azure AI
6 11 (7.75%) AWS
7 10 (7.04%) SaaS
8 8 (5.63%) Entra ID
8 8 (5.63%) Microsoft 365
9 7 (4.93%) PaaS
10 6 (4.23%) Azure Service Bus
10 6 (4.23%) Azure Synapse Analytics
11 5 (3.52%) Azure Logic Apps
12 4 (2.82%) Azure Event Grid
12 4 (2.82%) Dynamics 365
12 4 (2.82%) GCP
12 4 (2.82%) GitHub
13 3 (2.11%) Figma
Communications & Networking
1 7 (4.93%) WAN
2 5 (3.52%) Firewall
3 3 (2.11%) SD-WAN
4 2 (1.41%) Extranet
4 2 (1.41%) Intranet
4 2 (1.41%) LAN
4 2 (1.41%) Wi-Fi
5 1 (0.70%) NAS
5 1 (0.70%) PSTN
5 1 (0.70%) SAN
5 1 (0.70%) TCP/IP
5 1 (0.70%) Unified Communications
5 1 (0.70%) VoIP
5 1 (0.70%) VPN
Database & Business Intelligence
1 48 (33.80%) SQL Server
2 16 (11.27%) MySQL
3 15 (10.56%) SQL Server Integration Services
4 14 (9.86%) Power BI
5 12 (8.45%) Pinecone
6 4 (2.82%) Data Warehouse
7 3 (2.11%) BigQuery
7 3 (2.11%) Tableau
8 2 (1.41%) Azure SQL Database
8 2 (1.41%) Data Lake
8 2 (1.41%) Metadata
8 2 (1.41%) Oracle Database
8 2 (1.41%) PostgreSQL
8 2 (1.41%) SQL Server Analysis Services
8 2 (1.41%) SQL Server Reporting Services
9 1 (0.70%) Data Vault
9 1 (0.70%) Delta Lake
9 1 (0.70%) Looker
9 1 (0.70%) SAS EBI
9 1 (0.70%) Snowflake Schema
Development Applications
1 12 (8.45%) MLflow
1 12 (8.45%) Octopus Deploy
1 12 (8.45%) TeamCity
2 7 (4.93%) JIRA
3 5 (3.52%) Git
4 3 (2.11%) JUnit
4 3 (2.11%) Storybook
5 2 (1.41%) GitLab
5 2 (1.41%) Jenkins
5 2 (1.41%) Maven
5 2 (1.41%) Synon
6 1 (0.70%) Cucumber
6 1 (0.70%) JMeter
6 1 (0.70%) LoadRunner
6 1 (0.70%) Plastic SCM
6 1 (0.70%) Selenium
General
1 63 (44.37%) Finance
2 51 (35.92%) Social Skills
3 13 (9.15%) Analytical Skills
4 11 (7.75%) Inclusion and Diversity
5 9 (6.34%) Banking
6 6 (4.23%) Public Sector
7 5 (3.52%) Legal
8 4 (2.82%) Investment Banking
8 4 (2.82%) Law
9 3 (2.11%) Manufacturing
9 3 (2.11%) Retail
10 2 (1.41%) Financial Institution
10 2 (1.41%) Front Office
10 2 (1.41%) Influencing Skills
10 2 (1.41%) Marketing
11 1 (0.70%) Advertising
11 1 (0.70%) Health Technology
11 1 (0.70%) International Banking
11 1 (0.70%) Mandarin Language
11 1 (0.70%) Music Industry
Job Titles
1 24 (16.90%) Architect
2 20 (14.08%) Consultant
3 17 (11.97%) Analyst
3 17 (11.97%) Senior
4 16 (11.27%) Developer
5 12 (8.45%) Artificial Intelligence Engineer
5 12 (8.45%) Automation Engineer
5 12 (8.45%) DevOps Engineer
6 11 (7.75%) Business Analyst
7 8 (5.63%) Lead
7 8 (5.63%) Technical Architect
8 6 (4.23%) Data Analyst
8 6 (4.23%) Enterprise Architect
9 5 (3.52%) Data Engineer
9 5 (3.52%) Senior Architect
9 5 (3.52%) Software Engineer
10 4 (2.82%) Azure Engineer
10 4 (2.82%) Infrastructure Engineer
10 4 (2.82%) Lead Software Engineer
10 4 (2.82%) Senior Developer
Libraries, Frameworks & Software Standards
1 21 (14.79%) .NET
2 20 (14.08%) REST
3 16 (11.27%) Web Services
4 14 (9.86%) Flask
4 14 (9.86%) OpenAPI
4 14 (9.86%) Pandas
4 14 (9.86%) RESTful
4 14 (9.86%) Swagger
5 13 (9.15%) Django
5 13 (9.15%) FastAPI
5 13 (9.15%) pytest
6 12 (8.45%) Faiss
6 12 (8.45%) Hugging Face
6 12 (8.45%) JWT
6 12 (8.45%) NumPy
6 12 (8.45%) OAuth
6 12 (8.45%) PyTorch
6 12 (8.45%) scikit-learn
6 12 (8.45%) TensorFlow
7 7 (4.93%) React
Miscellaneous
1 19 (13.38%) Cloud Native
2 13 (9.15%) Virtual Team
3 12 (8.45%) Hybrid Cloud
3 12 (8.45%) Low-Code
4 6 (4.23%) Management Information System
5 4 (2.82%) Data Structures
6 3 (2.11%) Cyber Threat
6 3 (2.11%) Distributed Architecture
6 3 (2.11%) Fixed Income
6 3 (2.11%) Product Ownership
7 2 (1.41%) Analytical Mindset
7 2 (1.41%) CMDB
7 2 (1.41%) Data Protection Act
7 2 (1.41%) Derivative
7 2 (1.41%) Enterprise Software
7 2 (1.41%) Foreign Exchange (FX)
7 2 (1.41%) Learning Management System
7 2 (1.41%) Legacy Applications
7 2 (1.41%) Shadow IT
8 1 (0.70%) Data Centre
Operating Systems
1 4 (2.82%) Windows
2 2 (1.41%) VMS
2 2 (1.41%) Windows Server
3 1 (0.70%) Linux
3 1 (0.70%) Windows Server 2012
Processes & Methodologies
1 47 (33.10%) Migration
2 41 (28.87%) AI
2 41 (28.87%) CI/CD
3 40 (28.17%) DevOps
4 28 (19.72%) OO
5 26 (18.31%) Roadmaps
6 25 (17.61%) Data Modelling
6 25 (17.61%) Stakeholder Management
7 24 (16.90%) Problem-Solving
8 22 (15.49%) API Integration
8 22 (15.49%) Machine Learning
9 21 (14.79%) User Acceptance Testing
10 20 (14.08%) Agile
10 20 (14.08%) Requirements Gathering
10 20 (14.08%) Validation
11 19 (13.38%) ETL
12 18 (12.68%) Business Intelligence
12 18 (12.68%) Clean Code
13 17 (11.97%) Data Pipeline
13 17 (11.97%) Test Automation
Programming Languages
1 42 (29.58%) SQL
2 26 (18.31%) Python
3 18 (12.68%) PowerShell
4 17 (11.97%) Delphi
5 16 (11.27%) Pascal
6 9 (6.34%) Java
7 8 (5.63%) C#
8 7 (4.93%) JavaScript
9 2 (1.41%) Bash
9 2 (1.41%) Bicep
9 2 (1.41%) Go
9 2 (1.41%) RPG
9 2 (1.41%) Ruby
9 2 (1.41%) TypeScript
9 2 (1.41%) X++
10 1 (0.70%) Data Analysis Expressions
10 1 (0.70%) PHP
10 1 (0.70%) PL/SQL
10 1 (0.70%) Scala
10 1 (0.70%) T-SQL
Qualifications
1 10 (7.04%) Degree
2 6 (4.23%) Computer Science Degree
3 5 (3.52%) SC Cleared
3 5 (3.52%) Security Cleared
4 2 (1.41%) Azure Certification
4 2 (1.41%) Master's Degree
4 2 (1.41%) Microsoft Certification
4 2 (1.41%) PhD
5 1 (0.70%) ACCA
5 1 (0.70%) CCNP
5 1 (0.70%) CIMA
5 1 (0.70%) Cisco Certification
Quality Assurance & Compliance
1 22 (15.49%) QA
2 20 (14.08%) Data Quality
3 7 (4.93%) Accessibility
4 5 (3.52%) ISO/IEC 27001
5 3 (2.11%) COBIT
6 1 (0.70%) Actionable Recommendations
6 1 (0.70%) Cyber Essentials
6 1 (0.70%) Cyber Essentials PLUS
6 1 (0.70%) GDPR
6 1 (0.70%) NIST
System Software
1 16 (11.27%) Docker
2 2 (1.41%) Active Directory
2 2 (1.41%) VMware ESXi
2 2 (1.41%) VMware Infrastructure
3 1 (0.70%) VMware Server
3 1 (0.70%) vSphere
Systems Management
1 22 (15.49%) Kubernetes
2 19 (13.38%) Terraform
3 2 (1.41%) Ansible
3 2 (1.41%) Grafana
3 2 (1.41%) Microsoft Intune
4 1 (0.70%) Cisco CUCM
4 1 (0.70%) FortiGate
4 1 (0.70%) Kibana
4 1 (0.70%) SCOM
4 1 (0.70%) vCenter Server
4 1 (0.70%) ZABBIX
Vendors
1 29 (20.42%) Microsoft
2 21 (14.79%) Oracle
3 12 (8.45%) Automation Anywhere
3 12 (8.45%) OpenAI
3 12 (8.45%) UiPath
4 6 (4.23%) ServiceNow
5 5 (3.52%) Sage
6 4 (2.82%) Cisco
6 4 (2.82%) Concur
6 4 (2.82%) VMware
7 3 (2.11%) AppDynamics
7 3 (2.11%) Google
7 3 (2.11%) Guidewire
7 3 (2.11%) Pega
7 3 (2.11%) Salesforce
7 3 (2.11%) Sitecore
8 2 (1.41%) Bloomberg
8 2 (1.41%) Charles River
8 2 (1.41%) IBM
8 2 (1.41%) SAP