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 20 February 2026, comparing them to the same period in the previous two years.

6 months to
20 Feb 2026
Same period 2025 Same period 2024
Rank 231 305 401
Rank change year-on-year +74 +96 -41
Permanent jobs citing Legacy Systems 157 118 83
As % of all permanent jobs in London 1.00% 0.79% 0.39%
As % of the Miscellaneous category 2.54% 1.82% 0.97%
Number of salaries quoted 93 50 74
10th Percentile £52,500 £38,750 £52,500
25th Percentile £62,500 £43,125 £63,218
Median annual salary (50th Percentile) £75,000 £53,750 £78,750
Median % change year-on-year +39.53% -31.75% -7.35%
75th Percentile £95,000 £87,500 £90,000
90th Percentile £119,750 £106,000 £107,500
England median annual salary £67,500 £52,500 £55,000
% change year-on-year +28.57% -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 6,169 6,486 8,546
As % of all permanent jobs advertised in London 39.17% 43.62% 40.43%
Number of salaries quoted 3,665 3,348 6,467
10th Percentile £35,750 £43,593 £39,085
25th Percentile £50,000 £56,250 £52,500
Median annual salary (50th Percentile) £75,000 £80,000 £75,000
Median % change year-on-year -6.25% +6.67% -
75th Percentile £100,000 £110,000 £100,000
90th Percentile £126,250 £130,000 £125,000
England median annual salary £55,000 £62,500 £55,173
% change year-on-year -12.00% +13.28% -15.12%

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 20 February 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 20 February 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 +43 32 £65,000 +14.54% 19
South London +41 2 £48,975 -0.05% 2
West London -13 1 - - 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 12 (7.64%) Appian
2 6 (3.82%) Confluence
3 5 (3.18%) SharePoint
4 3 (1.91%) Apache
4 3 (1.91%) Apache Airflow
5 2 (1.27%) Microsoft Exchange
6 1 (0.64%) Apache Spark
6 1 (0.64%) Jupyter
6 1 (0.64%) SAS
Applications
1 3 (1.91%) Microsoft Office
2 2 (1.27%) Microsoft Excel
3 1 (0.64%) MS Visio
3 1 (0.64%) Spreadsheet
Business Applications
1 3 (1.91%) Dynamics CRM
2 2 (1.27%) Aladdin
3 1 (0.64%) SAP S/4HANA
Cloud Services
1 55 (35.03%) Azure
2 17 (10.83%) Azure DevOps
3 14 (8.92%) Power Platform
4 13 (8.28%) AWS
4 13 (8.28%) Azure Data Factory
4 13 (8.28%) Power Automate
5 12 (7.64%) Anthropic Claude
5 12 (7.64%) Azure AI
6 11 (7.01%) SaaS
7 7 (4.46%) Microsoft 365
8 6 (3.82%) Entra ID
9 5 (3.18%) PaaS
10 4 (2.55%) Azure Service Bus
10 4 (2.55%) Azure Synapse Analytics
10 4 (2.55%) dbt
10 4 (2.55%) Dynamics 365
10 4 (2.55%) GCP
10 4 (2.55%) GitHub
11 3 (1.91%) Azure Logic Apps
11 3 (1.91%) Figma
Communications & Networking
1 5 (3.18%) Firewall
1 5 (3.18%) WAN
2 3 (1.91%) SD-WAN
3 2 (1.27%) Extranet
3 2 (1.27%) Intranet
3 2 (1.27%) LAN
3 2 (1.27%) Wi-Fi
4 1 (0.64%) NAS
4 1 (0.64%) PSTN
4 1 (0.64%) SAN
4 1 (0.64%) TCP/IP
4 1 (0.64%) Unified Communications
4 1 (0.64%) VoIP
4 1 (0.64%) VPN
Database & Business Intelligence
1 53 (33.76%) SQL Server
2 21 (13.38%) MySQL
3 15 (9.55%) SQL Server Integration Services
4 12 (7.64%) Pinecone
4 12 (7.64%) Power BI
5 4 (2.55%) Data Warehouse
5 4 (2.55%) Metadata
6 3 (1.91%) BigQuery
6 3 (1.91%) Tableau
7 2 (1.27%) Azure SQL Database
7 2 (1.27%) Data Lake
7 2 (1.27%) Data Vault
7 2 (1.27%) Oracle Database
7 2 (1.27%) PostgreSQL
7 2 (1.27%) Snowflake Schema
7 2 (1.27%) SQL Server Analysis Services
7 2 (1.27%) SQL Server Reporting Services
8 1 (0.64%) Delta Lake
8 1 (0.64%) IBM InfoSphere
8 1 (0.64%) SAS EBI
Development Applications
1 12 (7.64%) MLflow
1 12 (7.64%) Octopus Deploy
1 12 (7.64%) TeamCity
2 9 (5.73%) ERwin
3 6 (3.82%) JIRA
4 5 (3.18%) Git
5 3 (1.91%) Jenkins
5 3 (1.91%) JUnit
5 3 (1.91%) Storybook
6 2 (1.27%) GitLab
6 2 (1.27%) Maven
6 2 (1.27%) Synon
7 1 (0.64%) Cucumber
7 1 (0.64%) JMeter
7 1 (0.64%) LoadRunner
7 1 (0.64%) Plastic SCM
7 1 (0.64%) Selenium
General
1 62 (39.49%) Social Skills
2 60 (38.22%) Finance
3 14 (8.92%) Analytical Skills
4 12 (7.64%) Inclusion and Diversity
5 11 (7.01%) Banking
6 8 (5.10%) Legal
7 6 (3.82%) Public Sector
8 5 (3.18%) Investment Banking
8 5 (3.18%) Law
9 3 (1.91%) Front Office
9 3 (1.91%) Manufacturing
10 2 (1.27%) Financial Institution
10 2 (1.27%) Influencing Skills
10 2 (1.27%) Marketing
10 2 (1.27%) Music Industry
10 2 (1.27%) Retail
11 1 (0.64%) Advertising
11 1 (0.64%) Health Technology
11 1 (0.64%) International Banking
11 1 (0.64%) Mandarin Language
Job Titles
1 32 (20.38%) Architect
2 24 (15.29%) Consultant
3 19 (12.10%) Lead
4 18 (11.46%) Developer
5 15 (9.55%) Analyst
5 15 (9.55%) Senior
6 12 (7.64%) Artificial Intelligence Engineer
6 12 (7.64%) Automation Engineer
6 12 (7.64%) DevOps Engineer
7 11 (7.01%) Data Architect
8 10 (6.37%) Business Analyst
9 9 (5.73%) Lead Architect
9 9 (5.73%) Lead Data Architect
10 8 (5.10%) Enterprise Architect
11 6 (3.82%) Technical Architect
12 5 (3.18%) Data Analyst
12 5 (3.18%) Data Engineer
13 4 (2.55%) Infrastructure Engineer
13 4 (2.55%) Senior Developer
13 4 (2.55%) Software Engineer
Libraries, Frameworks & Software Standards
1 20 (12.74%) .NET
1 20 (12.74%) REST
2 16 (10.19%) Web Services
3 15 (9.55%) Pandas
3 15 (9.55%) RESTful
4 14 (8.92%) Flask
4 14 (8.92%) OpenAPI
4 14 (8.92%) Swagger
5 13 (8.28%) Django
5 13 (8.28%) FastAPI
5 13 (8.28%) Hugging Face
5 13 (8.28%) pytest
6 12 (7.64%) Faiss
6 12 (7.64%) JWT
6 12 (7.64%) NumPy
6 12 (7.64%) OAuth
6 12 (7.64%) PyTorch
6 12 (7.64%) scikit-learn
6 12 (7.64%) TensorFlow
7 7 (4.46%) Spring
Miscellaneous
1 17 (10.83%) Cloud Native
2 14 (8.92%) Data Structures
3 13 (8.28%) Virtual Team
4 12 (7.64%) Hybrid Cloud
4 12 (7.64%) Low-Code
5 7 (4.46%) Management Information System
6 4 (2.55%) Analytical Mindset
6 4 (2.55%) Distributed Architecture
6 4 (2.55%) Product Ownership
7 3 (1.91%) Cyber Threat
7 3 (1.91%) Enterprise Software
8 2 (1.27%) CMDB
8 2 (1.27%) Data Protection Act
8 2 (1.27%) Fixed Income
8 2 (1.27%) Foreign Exchange (FX)
8 2 (1.27%) Learning Management System
8 2 (1.27%) Legacy Applications
8 2 (1.27%) Shadow IT
9 1 (0.64%) Distributed Systems
9 1 (0.64%) Onboarding
Operating Systems
1 4 (2.55%) Windows
2 2 (1.27%) VMS
2 2 (1.27%) Windows Server
3 1 (0.64%) Linux
3 1 (0.64%) Windows Server 2012
Processes & Methodologies
1 45 (28.66%) Migration
2 44 (28.03%) CI/CD
3 39 (24.84%) DevOps
4 38 (24.20%) AI
5 35 (22.29%) Data Modelling
6 34 (21.66%) Roadmaps
7 33 (21.02%) OO
7 33 (21.02%) Stakeholder Management
8 23 (14.65%) Problem-Solving
9 22 (14.01%) Analytics
10 21 (13.38%) Agile
10 21 (13.38%) API Integration
10 21 (13.38%) OOP
11 20 (12.74%) Clean Code
11 20 (12.74%) Data Governance
11 20 (12.74%) ETL
11 20 (12.74%) Machine Learning
11 20 (12.74%) User Acceptance Testing
12 19 (12.10%) Validation
13 18 (11.46%) Continuous Improvement
Programming Languages
1 42 (26.75%) SQL
2 26 (16.56%) Python
3 22 (14.01%) Delphi
4 21 (13.38%) Pascal
5 18 (11.46%) PowerShell
6 11 (7.01%) Java
7 7 (4.46%) C#
8 6 (3.82%) JavaScript
9 2 (1.27%) Bash
9 2 (1.27%) Bicep
9 2 (1.27%) Go
9 2 (1.27%) PHP
9 2 (1.27%) RPG
9 2 (1.27%) Ruby
9 2 (1.27%) X++
10 1 (0.64%) C++
10 1 (0.64%) Data Analysis Expressions
10 1 (0.64%) Scala
10 1 (0.64%) T-SQL
10 1 (0.64%) TypeScript
Qualifications
1 11 (7.01%) Degree
2 6 (3.82%) Computer Science Degree
3 5 (3.18%) SC Cleared
3 5 (3.18%) Security Cleared
4 2 (1.27%) Azure Certification
4 2 (1.27%) Master's Degree
4 2 (1.27%) Microsoft Certification
4 2 (1.27%) PhD
5 1 (0.64%) CCNP
5 1 (0.64%) Cisco Certification
Quality Assurance & Compliance
1 27 (17.20%) QA
2 20 (12.74%) Data Quality
3 10 (6.37%) GDPR
4 8 (5.10%) Accessibility
5 5 (3.18%) ISO/IEC 27001
6 3 (1.91%) COBIT
7 1 (0.64%) Actionable Recommendations
7 1 (0.64%) Cyber Essentials
7 1 (0.64%) Cyber Essentials PLUS
7 1 (0.64%) NIST
System Software
1 17 (10.83%) Docker
2 2 (1.27%) Active Directory
2 2 (1.27%) VMware ESXi
2 2 (1.27%) VMware Infrastructure
3 1 (0.64%) VMware Server
3 1 (0.64%) vSphere
Systems Management
1 23 (14.65%) Kubernetes
2 19 (12.10%) Terraform
3 2 (1.27%) Ansible
3 2 (1.27%) Grafana
3 2 (1.27%) Microsoft Intune
4 1 (0.64%) Cisco CUCM
4 1 (0.64%) FortiGate
4 1 (0.64%) Kibana
4 1 (0.64%) SCOM
4 1 (0.64%) vCenter Server
4 1 (0.64%) ZABBIX
Vendors
1 31 (19.75%) Microsoft
2 26 (16.56%) Oracle
3 13 (8.28%) OpenAI
4 12 (7.64%) Automation Anywhere
4 12 (7.64%) UiPath
5 5 (3.18%) ServiceNow
6 4 (2.55%) Cisco
6 4 (2.55%) Salesforce
6 4 (2.55%) VMware
7 3 (1.91%) AppDynamics
7 3 (1.91%) Google
7 3 (1.91%) Guidewire
7 3 (1.91%) Pega
7 3 (1.91%) Sitecore
8 2 (1.27%) BiZZdesign
8 2 (1.27%) Concur
8 2 (1.27%) Meraki
8 2 (1.27%) New Relic
8 2 (1.27%) SolarWinds
8 2 (1.27%) Sparx