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

6 months to
20 Jan 2026
Same period 2025 Same period 2024
Rank 194 306 382
Rank change year-on-year +112 +76 -6
Permanent jobs citing Legacy Systems 193 128 77
As % of all permanent jobs in London 1.35% 0.83% 0.40%
As % of the Miscellaneous category 3.31% 1.91% 0.99%
Number of salaries quoted 92 63 73
10th Percentile £52,500 £38,750 £52,500
25th Percentile £62,188 £42,813 £65,000
Median annual salary (50th Percentile) £75,000 £55,000 £82,500
Median % change year-on-year +36.36% -33.33% -
75th Percentile £89,688 £91,875 £90,000
90th Percentile £115,000 £132,500 £107,250
England median annual salary £67,500 £50,000 £60,000
% change year-on-year +35.00% -16.67% -17.24%

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 5,832 6,708 7,780
As % of all permanent jobs advertised in London 40.75% 43.58% 40.66%
Number of salaries quoted 3,421 3,468 5,881
10th Percentile £35,750 £43,862 £40,000
25th Percentile £50,000 £56,250 £55,000
Median annual salary (50th Percentile) £75,000 £80,000 £77,500
Median % change year-on-year -6.25% +3.23% -
75th Percentile £100,000 £107,500 £100,000
90th Percentile £125,000 £128,750 £125,000
England median annual salary £55,000 £60,569 £60,000
% change year-on-year -9.19% +0.95% -7.69%

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 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 20 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 +52 31 £65,000 +14.54% 11
South London +31 2 £48,975 -44.19%
West London -2 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 10 (5.18%) Appian
2 6 (3.11%) SharePoint
3 3 (1.55%) Apache
3 3 (1.55%) Apache Airflow
4 2 (1.04%) Confluence
4 2 (1.04%) Microsoft Exchange
5 1 (0.52%) Apache Spark
5 1 (0.52%) nginx
5 1 (0.52%) SAS
Applications
1 6 (3.11%) Microsoft Office
2 2 (1.04%) Microsoft Excel
Business Applications
1 3 (1.55%) Dynamics CRM
2 2 (1.04%) Aladdin
Cloud Services
1 51 (26.42%) Azure
2 38 (19.69%) AWS
3 26 (13.47%) Amazon Bedrock
3 26 (13.47%) Vertex AI
4 17 (8.81%) Azure DevOps
5 11 (5.70%) Azure Data Factory
5 11 (5.70%) Power Automate
5 11 (5.70%) Power Platform
6 10 (5.18%) Anthropic Claude
6 10 (5.18%) Azure AI
6 10 (5.18%) SaaS
7 7 (3.63%) Microsoft 365
8 5 (2.59%) GitHub
9 4 (2.07%) ChatGPT
9 4 (2.07%) GitHub Copilot
10 3 (1.55%) Amazon SQS
10 3 (1.55%) dbt
10 3 (1.55%) GCP
10 3 (1.55%) IaaS
10 3 (1.55%) PaaS
Communications & Networking
1 5 (2.59%) Firewall
2 3 (1.55%) SD-WAN
2 3 (1.55%) WAN
3 2 (1.04%) Extranet
3 2 (1.04%) Intranet
3 2 (1.04%) LAN
3 2 (1.04%) Wi-Fi
4 1 (0.52%) NAS
4 1 (0.52%) PSTN
4 1 (0.52%) SAN
4 1 (0.52%) TCP/IP
4 1 (0.52%) Unified Communications
4 1 (0.52%) VoIP
4 1 (0.52%) VPN
Database & Business Intelligence
1 71 (36.79%) SQL Server
2 39 (20.21%) MySQL
3 15 (7.77%) SQL Server Integration Services
4 10 (5.18%) Pinecone
5 9 (4.66%) Power BI
6 4 (2.07%) Metadata
7 3 (1.55%) Data Warehouse
8 2 (1.04%) Azure SQL Database
8 2 (1.04%) Data Vault
8 2 (1.04%) Oracle Database
8 2 (1.04%) PostgreSQL
8 2 (1.04%) Relational Database
8 2 (1.04%) Snowflake Schema
8 2 (1.04%) SQL Server Analysis Services
8 2 (1.04%) SQL Server Reporting Services
8 2 (1.04%) Tableau
9 1 (0.52%) BigQuery
9 1 (0.52%) Delta Lake
9 1 (0.52%) IBM InfoSphere
9 1 (0.52%) SAS EBI
Development Applications
1 13 (6.74%) Octopus Deploy
2 12 (6.22%) TeamCity
3 11 (5.70%) ERwin
4 10 (5.18%) MLflow
5 6 (3.11%) Git
6 3 (1.55%) Jenkins
6 3 (1.55%) JIRA
6 3 (1.55%) JUnit
6 3 (1.55%) Storybook
7 2 (1.04%) GitLab
7 2 (1.04%) Maven
7 2 (1.04%) Synon
8 1 (0.52%) Artifactory
8 1 (0.52%) Cucumber
8 1 (0.52%) JMeter
8 1 (0.52%) LoadRunner
8 1 (0.52%) Plastic SCM
8 1 (0.52%) Selenium
8 1 (0.52%) Vite
General
1 89 (46.11%) Social Skills
2 54 (27.98%) Finance
3 36 (18.65%) Analytical Skills
4 12 (6.22%) Banking
5 10 (5.18%) Legal
6 9 (4.66%) Inclusion and Diversity
7 7 (3.63%) Investment Banking
8 6 (3.11%) Law
9 3 (1.55%) Public Sector
10 2 (1.04%) Marketing
10 2 (1.04%) Music Industry
10 2 (1.04%) Retail
11 1 (0.52%) Back Office
11 1 (0.52%) Front Office
11 1 (0.52%) Health Technology
11 1 (0.52%) Influencing Skills
11 1 (0.52%) International Banking
11 1 (0.52%) Mandarin Language
11 1 (0.52%) Manufacturing
Job Titles
1 66 (34.20%) Consultant
2 39 (20.21%) Senior
3 29 (15.03%) Architect
4 26 (13.47%) Gen AI Consultant
4 26 (13.47%) Senior Consultant
5 19 (9.84%) Lead
6 18 (9.33%) Developer
7 13 (6.74%) Data Architect
8 12 (6.22%) DevOps Engineer
9 11 (5.70%) Analyst
9 11 (5.70%) Lead Architect
9 11 (5.70%) Lead Data Architect
10 10 (5.18%) Artificial Intelligence Engineer
10 10 (5.18%) Automation Engineer
11 7 (3.63%) Business Analyst
11 7 (3.63%) Enterprise Architect
12 6 (3.11%) CRM Manager
12 6 (3.11%) Platform Manager
13 5 (2.59%) Software Engineer
13 5 (2.59%) Technical Architect
Libraries, Frameworks & Software Standards
1 26 (13.47%) LangChain
2 22 (11.40%) REST
3 20 (10.36%) .NET
4 16 (8.29%) Web Services
5 13 (6.74%) Pandas
5 13 (6.74%) RESTful
6 12 (6.22%) Django
6 12 (6.22%) OpenAPI
6 12 (6.22%) Swagger
7 11 (5.70%) FastAPI
7 11 (5.70%) Flask
7 11 (5.70%) Hugging Face
7 11 (5.70%) pytest
7 11 (5.70%) PyTorch
7 11 (5.70%) TensorFlow
8 10 (5.18%) Faiss
8 10 (5.18%) JWT
8 10 (5.18%) NumPy
8 10 (5.18%) OAuth
8 10 (5.18%) scikit-learn
Miscellaneous
1 18 (9.33%) Data Structures
2 15 (7.77%) Cloud Native
3 13 (6.74%) Virtual Team
4 12 (6.22%) Hybrid Cloud
5 10 (5.18%) Low-Code
6 9 (4.66%) Management Information System
7 5 (2.59%) Product Ownership
8 4 (2.07%) Analytical Mindset
8 4 (2.07%) Distributed Architecture
9 3 (1.55%) Cyber Threat
9 3 (1.55%) Enterprise Software
10 2 (1.04%) CMDB
10 2 (1.04%) Legacy Applications
10 2 (1.04%) Shadow IT
11 1 (0.52%) Credit Risk
11 1 (0.52%) Data Protection Act
11 1 (0.52%) Distributed Systems
11 1 (0.52%) Market Risk
11 1 (0.52%) Onboarding
11 1 (0.52%) Video Conferencing
Operating Systems
1 4 (2.07%) Windows
2 2 (1.04%) VMS
2 2 (1.04%) Windows Server
3 1 (0.52%) Linux
3 1 (0.52%) Windows Server 2012
Processes & Methodologies
1 59 (30.57%) AI
2 56 (29.02%) Stakeholder Management
3 49 (25.39%) OO
4 43 (22.28%) Agile
5 42 (21.76%) Migration
6 41 (21.24%) CI/CD
6 41 (21.24%) Machine Learning
7 39 (20.21%) OOP
8 38 (19.69%) LLM
8 38 (19.69%) Thought Leadership
9 37 (19.17%) Prompt Engineering
10 36 (18.65%) Generative AI
10 36 (18.65%) MLOps
10 36 (18.65%) Retrieval-Augmented Generation
11 35 (18.13%) DevOps
12 33 (17.10%) Computer Science
13 32 (16.58%) IT Strategy
14 30 (15.54%) Data Modelling
15 28 (14.51%) Roadmaps
16 25 (12.95%) Business Development
Programming Languages
1 40 (20.73%) Delphi
2 39 (20.21%) Pascal
3 37 (19.17%) SQL
4 22 (11.40%) Python
5 17 (8.81%) PowerShell
6 10 (5.18%) Java
7 8 (4.15%) C#
8 6 (3.11%) JavaScript
9 3 (1.55%) PHP
10 2 (1.04%) Bicep
10 2 (1.04%) PL/SQL
10 2 (1.04%) RPG
10 2 (1.04%) TypeScript
11 1 (0.52%) Bash
11 1 (0.52%) C++
11 1 (0.52%) Data Analysis Expressions
11 1 (0.52%) Go
11 1 (0.52%) Rust
11 1 (0.52%) Scala
11 1 (0.52%) T-SQL
Qualifications
1 38 (19.69%) Degree
2 30 (15.54%) Computer Science Degree
3 4 (2.07%) SC Cleared
3 4 (2.07%) Security Cleared
4 3 (1.55%) Azure Certification
5 2 (1.04%) Microsoft Certification
6 1 (0.52%) CCNP
6 1 (0.52%) Cisco Certification
6 1 (0.52%) Master's Degree
6 1 (0.52%) PhD
6 1 (0.52%) TOGAF Certification
Quality Assurance & Compliance
1 44 (22.80%) QA
2 14 (7.25%) Data Quality
3 12 (6.22%) GDPR
4 6 (3.11%) Accessibility
5 5 (2.59%) ISO/IEC 27001
6 3 (1.55%) COBIT
7 1 (0.52%) Actionable Recommendations
7 1 (0.52%) Cyber Essentials
7 1 (0.52%) Cyber Essentials PLUS
7 1 (0.52%) NIST
System Software
1 17 (8.81%) Docker
2 2 (1.04%) Active Directory
2 2 (1.04%) VMware ESXi
2 2 (1.04%) VMware Infrastructure
3 1 (0.52%) VMware Server
3 1 (0.52%) vSphere
Systems Management
1 21 (10.88%) Kubernetes
2 18 (9.33%) Terraform
3 2 (1.04%) Grafana
3 2 (1.04%) Microsoft Intune
4 1 (0.52%) Ansible
4 1 (0.52%) Cisco CUCM
4 1 (0.52%) FortiGate
4 1 (0.52%) Kibana
4 1 (0.52%) Prometheus
4 1 (0.52%) SCOM
4 1 (0.52%) vCenter Server
4 1 (0.52%) ZABBIX
Vendors
1 46 (23.83%) Oracle
2 34 (17.62%) Microsoft
3 27 (13.99%) Google
4 11 (5.70%) OpenAI
5 10 (5.18%) Automation Anywhere
5 10 (5.18%) UiPath
6 8 (4.15%) Salesforce
7 4 (2.07%) Cisco
7 4 (2.07%) Citrix
7 4 (2.07%) VMware
8 3 (1.55%) AppDynamics
8 3 (1.55%) Guidewire
8 3 (1.55%) Pega
8 3 (1.55%) ServiceNow
8 3 (1.55%) Sitecore
9 2 (1.04%) BiZZdesign
9 2 (1.04%) Meraki
9 2 (1.04%) New Relic
9 2 (1.04%) Sparx
9 2 (1.04%) Workday