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 27 January 2026, comparing them to the same period in the previous two years.

6 months to
27 Jan 2026
Same period 2025 Same period 2024
Rank 206 309 383
Rank change year-on-year +103 +74 -10
Permanent jobs citing Legacy Systems 185 129 81
As % of all permanent jobs in London 1.26% 0.84% 0.40%
As % of the Miscellaneous category 3.13% 1.91% 0.98%
Number of salaries quoted 91 62 73
10th Percentile £52,500 £38,750 £52,500
25th Percentile £61,875 £42,656 £65,000
Median annual salary (50th Percentile) £72,500 £57,500 £82,500
Median % change year-on-year +26.09% -30.30% -1.49%
75th Percentile £93,125 £94,063 £90,000
90th Percentile £115,000 £123,375 £107,500
England median annual salary £65,000 £52,500 £57,500
% change year-on-year +23.81% -8.70% -20.69%

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 5,910 6,743 8,243
As % of all permanent jobs advertised in London 40.21% 43.78% 40.29%
Number of salaries quoted 3,458 3,438 6,287
10th Percentile £35,750 £43,226 £39,085
25th Percentile £50,000 £56,250 £55,000
Median annual salary (50th Percentile) £75,000 £80,000 £75,000
Median % change year-on-year -6.25% +6.67% -3.23%
75th Percentile £100,000 £108,750 £100,000
90th Percentile £125,000 £129,125 £125,000
England median annual salary £55,000 £62,000 £57,500
% change year-on-year -11.29% +7.83% -11.54%

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 27 January 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 27 January 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 31 £65,000 +14.54% 15
South London +38 2 £48,975 -3.02% 3
West London -4 1 - - 4
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 11 (5.95%) Appian
2 7 (3.78%) SharePoint
3 4 (2.16%) Confluence
4 3 (1.62%) Apache
4 3 (1.62%) Apache Airflow
5 2 (1.08%) Microsoft Exchange
6 1 (0.54%) Apache Spark
6 1 (0.54%) nginx
6 1 (0.54%) SAS
Applications
1 5 (2.70%) Microsoft Office
2 2 (1.08%) Microsoft Excel
3 1 (0.54%) MS Visio
3 1 (0.54%) Spreadsheet
Business Applications
1 3 (1.62%) Dynamics CRM
2 2 (1.08%) Aladdin
3 1 (0.54%) SAP S/4HANA
Cloud Services
1 52 (28.11%) Azure
2 36 (19.46%) AWS
3 24 (12.97%) Amazon Bedrock
3 24 (12.97%) Vertex AI
4 17 (9.19%) Azure DevOps
5 12 (6.49%) Azure Data Factory
5 12 (6.49%) Power Automate
6 11 (5.95%) Anthropic Claude
6 11 (5.95%) Azure AI
6 11 (5.95%) Power Platform
7 10 (5.41%) SaaS
8 7 (3.78%) Microsoft 365
9 4 (2.16%) GCP
9 4 (2.16%) GitHub
10 3 (1.62%) Amazon SQS
10 3 (1.62%) Dynamics 365
10 3 (1.62%) Entra ID
10 3 (1.62%) Figma
10 3 (1.62%) IaaS
10 3 (1.62%) PaaS
Communications & Networking
1 5 (2.70%) Firewall
2 3 (1.62%) SD-WAN
2 3 (1.62%) WAN
3 2 (1.08%) Extranet
3 2 (1.08%) Intranet
3 2 (1.08%) LAN
3 2 (1.08%) Wi-Fi
4 1 (0.54%) NAS
4 1 (0.54%) PSTN
4 1 (0.54%) SAN
4 1 (0.54%) TCP/IP
4 1 (0.54%) Unified Communications
4 1 (0.54%) VoIP
4 1 (0.54%) VPN
Database & Business Intelligence
1 64 (34.59%) SQL Server
2 31 (16.76%) MySQL
3 15 (8.11%) SQL Server Integration Services
4 11 (5.95%) Pinecone
5 9 (4.86%) Power BI
6 4 (2.16%) Metadata
7 3 (1.62%) Data Warehouse
8 2 (1.08%) Azure SQL Database
8 2 (1.08%) BigQuery
8 2 (1.08%) Data Vault
8 2 (1.08%) Oracle Database
8 2 (1.08%) PostgreSQL
8 2 (1.08%) Snowflake Schema
8 2 (1.08%) SQL Server Analysis Services
8 2 (1.08%) SQL Server Reporting Services
8 2 (1.08%) Tableau
9 1 (0.54%) Data Lake
9 1 (0.54%) Delta Lake
9 1 (0.54%) Relational Database
9 1 (0.54%) SAS EBI
Development Applications
1 13 (7.03%) Octopus Deploy
2 12 (6.49%) TeamCity
3 11 (5.95%) ERwin
3 11 (5.95%) MLflow
4 6 (3.24%) Git
5 5 (2.70%) JIRA
6 3 (1.62%) Jenkins
6 3 (1.62%) JUnit
6 3 (1.62%) Storybook
7 2 (1.08%) GitLab
7 2 (1.08%) Maven
7 2 (1.08%) Synon
8 1 (0.54%) Artifactory
8 1 (0.54%) Cucumber
8 1 (0.54%) JMeter
8 1 (0.54%) LoadRunner
8 1 (0.54%) Plastic SCM
8 1 (0.54%) Selenium
8 1 (0.54%) Vite
General
1 87 (47.03%) Social Skills
2 56 (30.27%) Finance
3 35 (18.92%) Analytical Skills
4 12 (6.49%) Banking
5 10 (5.41%) Legal
6 9 (4.86%) Inclusion and Diversity
7 6 (3.24%) Investment Banking
7 6 (3.24%) Law
8 4 (2.16%) Public Sector
9 2 (1.08%) Front Office
9 2 (1.08%) Marketing
9 2 (1.08%) Music Industry
10 1 (0.54%) Back Office
10 1 (0.54%) Financial Institution
10 1 (0.54%) Health Technology
10 1 (0.54%) Influencing Skills
10 1 (0.54%) International Banking
10 1 (0.54%) Mandarin Language
10 1 (0.54%) Manufacturing
10 1 (0.54%) Retail
Job Titles
1 56 (30.27%) Consultant
2 35 (18.92%) Senior
3 29 (15.68%) Architect
4 24 (12.97%) Gen AI Consultant
4 24 (12.97%) Senior Consultant
5 20 (10.81%) Lead
6 17 (9.19%) Developer
7 13 (7.03%) Data Architect
8 12 (6.49%) Analyst
8 12 (6.49%) DevOps Engineer
9 11 (5.95%) Artificial Intelligence Engineer
9 11 (5.95%) Automation Engineer
9 11 (5.95%) Lead Architect
9 11 (5.95%) Lead Data Architect
10 9 (4.86%) Business Analyst
11 7 (3.78%) Enterprise Architect
12 5 (2.70%) CRM Manager
12 5 (2.70%) Data Engineer
12 5 (2.70%) Platform Manager
12 5 (2.70%) Software Engineer
Libraries, Frameworks & Software Standards
1 24 (12.97%) LangChain
2 21 (11.35%) .NET
2 21 (11.35%) REST
3 15 (8.11%) Web Services
4 14 (7.57%) Pandas
4 14 (7.57%) RESTful
5 13 (7.03%) Django
5 13 (7.03%) OpenAPI
5 13 (7.03%) Swagger
6 12 (6.49%) FastAPI
6 12 (6.49%) Flask
6 12 (6.49%) Hugging Face
6 12 (6.49%) pytest
6 12 (6.49%) PyTorch
6 12 (6.49%) TensorFlow
7 11 (5.95%) Faiss
7 11 (5.95%) JWT
7 11 (5.95%) NumPy
7 11 (5.95%) OAuth
7 11 (5.95%) scikit-learn
Miscellaneous
1 17 (9.19%) Data Structures
2 15 (8.11%) Cloud Native
3 13 (7.03%) Virtual Team
4 12 (6.49%) Hybrid Cloud
5 11 (5.95%) Low-Code
6 9 (4.86%) Management Information System
7 4 (2.16%) Analytical Mindset
7 4 (2.16%) Distributed Architecture
7 4 (2.16%) Product Ownership
8 3 (1.62%) Cyber Threat
8 3 (1.62%) Enterprise Software
9 2 (1.08%) CMDB
9 2 (1.08%) Data Protection Act
9 2 (1.08%) Learning Management System
9 2 (1.08%) Legacy Applications
9 2 (1.08%) Shadow IT
10 1 (0.54%) Credit Risk
10 1 (0.54%) Market Risk
10 1 (0.54%) Replication
10 1 (0.54%) Video Conferencing
Operating Systems
1 4 (2.16%) Windows
2 2 (1.08%) VMS
2 2 (1.08%) Windows Server
3 1 (0.54%) Linux
3 1 (0.54%) Windows Server 2012
Processes & Methodologies
1 56 (30.27%) AI
2 54 (29.19%) Stakeholder Management
3 44 (23.78%) Migration
4 43 (23.24%) CI/CD
5 42 (22.70%) Agile
5 42 (22.70%) OO
6 40 (21.62%) Machine Learning
7 37 (20.00%) LLM
8 36 (19.46%) DevOps
8 36 (19.46%) Prompt Engineering
8 36 (19.46%) Thought Leadership
9 35 (18.92%) Generative AI
9 35 (18.92%) MLOps
9 35 (18.92%) Retrieval-Augmented Generation
10 32 (17.30%) Computer Science
11 31 (16.76%) Data Modelling
11 31 (16.76%) OOP
12 30 (16.22%) Roadmaps
13 29 (15.68%) IT Strategy
14 24 (12.97%) Problem-Solving
Programming Languages
1 38 (20.54%) SQL
2 32 (17.30%) Delphi
3 31 (16.76%) Pascal
4 25 (13.51%) Python
5 18 (9.73%) PowerShell
6 10 (5.41%) Java
7 9 (4.86%) C#
8 6 (3.24%) JavaScript
9 3 (1.62%) PHP
10 2 (1.08%) Bash
10 2 (1.08%) Bicep
10 2 (1.08%) Go
10 2 (1.08%) PL/SQL
10 2 (1.08%) RPG
10 2 (1.08%) Ruby
10 2 (1.08%) TypeScript
11 1 (0.54%) Data Analysis Expressions
11 1 (0.54%) Rust
11 1 (0.54%) Scala
11 1 (0.54%) X++
Qualifications
1 36 (19.46%) Degree
2 29 (15.68%) Computer Science Degree
3 5 (2.70%) SC Cleared
3 5 (2.70%) Security Cleared
4 2 (1.08%) Azure Certification
4 2 (1.08%) Master's Degree
4 2 (1.08%) Microsoft Certification
4 2 (1.08%) PhD
5 1 (0.54%) CCNP
5 1 (0.54%) Cisco Certification
Quality Assurance & Compliance
1 36 (19.46%) QA
2 16 (8.65%) Data Quality
3 12 (6.49%) GDPR
4 6 (3.24%) Accessibility
5 5 (2.70%) ISO/IEC 27001
6 3 (1.62%) COBIT
7 1 (0.54%) Actionable Recommendations
7 1 (0.54%) Cyber Essentials
7 1 (0.54%) Cyber Essentials PLUS
7 1 (0.54%) NIST
System Software
1 18 (9.73%) Docker
2 2 (1.08%) Active Directory
2 2 (1.08%) VMware ESXi
2 2 (1.08%) VMware Infrastructure
3 1 (0.54%) VMware Server
3 1 (0.54%) vSphere
Systems Management
1 23 (12.43%) Kubernetes
2 19 (10.27%) Terraform
3 2 (1.08%) Ansible
3 2 (1.08%) Grafana
3 2 (1.08%) Microsoft Intune
4 1 (0.54%) Cisco CUCM
4 1 (0.54%) FortiGate
4 1 (0.54%) Kibana
4 1 (0.54%) Prometheus
4 1 (0.54%) SCOM
4 1 (0.54%) vCenter Server
4 1 (0.54%) ZABBIX
Vendors
1 37 (20.00%) Oracle
2 32 (17.30%) Microsoft
3 26 (14.05%) Google
4 12 (6.49%) OpenAI
5 11 (5.95%) Automation Anywhere
5 11 (5.95%) UiPath
6 7 (3.78%) Salesforce
7 4 (2.16%) Cisco
7 4 (2.16%) Citrix
7 4 (2.16%) VMware
8 3 (1.62%) AppDynamics
8 3 (1.62%) Guidewire
8 3 (1.62%) Pega
8 3 (1.62%) ServiceNow
8 3 (1.62%) Sitecore
9 2 (1.08%) BiZZdesign
9 2 (1.08%) Meraki
9 2 (1.08%) New Relic
9 2 (1.08%) SolarWinds
9 2 (1.08%) Sparx