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

6 months to
23 Jun 2026
Same period 2025 Same period 2024
Rank 272 282 417
Rank change year-on-year +10 +135 -62
Permanent jobs citing Legacy Systems 148 107 91
As % of all permanent jobs in London 0.68% 0.88% 0.37%
As % of the Miscellaneous category 2.03% 1.93% 0.92%
Number of salaries quoted 102 58 73
10th Percentile £55,000 £55,500 £44,079
25th Percentile £66,750 £61,250 £63,218
Median annual salary (50th Percentile) £80,000 £76,250 £80,000
Median % change year-on-year +4.92% -4.69% -5.88%
75th Percentile £98,438 £96,250 £110,000
90th Percentile £120,000 £105,750 £145,000
England median annual salary £65,000 £65,000 £57,500
% change year-on-year - +13.04% -11.54%

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 7,304 5,534 9,899
As % of all permanent jobs advertised in London 33.70% 45.47% 40.18%
Number of salaries quoted 4,493 3,090 6,904
10th Percentile £41,250 £41,250 £37,500
25th Percentile £56,250 £56,000 £51,250
Median annual salary (50th Percentile) £80,000 £78,625 £75,000
Median % change year-on-year +1.75% +4.83% -
75th Percentile £100,000 £110,000 £100,000
90th Percentile £121,000 £136,250 £131,250
England median annual salary £60,000 £57,500 £55,000
% change year-on-year +4.35% +4.55% -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 23 June 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 23 June 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 -10 24 £83,750 +11.67% 8
West London -11 8 £80,000 +28.00% 12
South London - 3 - - 2
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 13 (8.78%) Confluence
2 6 (4.05%) Appian
3 4 (2.70%) Anypoint
3 4 (2.70%) Mule
4 2 (1.35%) Microsoft Exchange
5 1 (0.68%) CICS
5 1 (0.68%) CMS
5 1 (0.68%) Jupyter
5 1 (0.68%) NServiceBus
5 1 (0.68%) SharePoint
Applications
1 8 (5.41%) MS Visio
2 1 (0.68%) Spreadsheet
Business Applications
1 4 (2.70%) SAP S/4HANA
2 2 (1.35%) Dynamics CRM
2 2 (1.35%) SAP MDG
3 1 (0.68%) Aladdin
3 1 (0.68%) Misys Equation
3 1 (0.68%) Misys Midas
3 1 (0.68%) Sage 50
3 1 (0.68%) Visualfiles
Cloud Services
1 46 (31.08%) Azure
2 20 (13.51%) AWS
3 9 (6.08%) Azure DevOps
3 9 (6.08%) Power Platform
4 8 (5.41%) Lucidchart
5 7 (4.73%) Entra ID
5 7 (4.73%) PaaS
6 6 (4.05%) Anthropic Claude
6 6 (4.05%) Azure AI
6 6 (4.05%) Azure Data Factory
6 6 (4.05%) Microsoft 365
6 6 (4.05%) Power Automate
7 5 (3.38%) Azure Service Bus
7 5 (3.38%) Azure Synapse Analytics
7 5 (3.38%) Serverless
8 4 (2.70%) AWS CloudFormation
8 4 (2.70%) Azure Logic Apps
8 4 (2.70%) Cloud Computing
8 4 (2.70%) GCP
8 4 (2.70%) SaaS
Communications & Networking
1 7 (4.73%) Network Security
1 7 (4.73%) WAN
2 4 (2.70%) SSL
3 3 (2.03%) DNS
3 3 (2.03%) Firewall
4 2 (1.35%) DHCP
4 2 (1.35%) SAN
4 2 (1.35%) SD-WAN
4 2 (1.35%) Wireless
5 1 (0.68%) Broadband
5 1 (0.68%) DMARC
5 1 (0.68%) LAN
5 1 (0.68%) TCP/IP
5 1 (0.68%) VPN
5 1 (0.68%) Wi-Fi
Database & Business Intelligence
1 14 (9.46%) SQL Server
2 11 (7.43%) PostgreSQL
3 10 (6.76%) Db2
4 8 (5.41%) Power BI
5 6 (4.05%) DTS
5 6 (4.05%) Pinecone
6 5 (3.38%) Data Warehouse
6 5 (3.38%) SQL Server Integration Services
7 4 (2.70%) Data Lake
8 2 (1.35%) BigQuery
8 2 (1.35%) Relational Database
8 2 (1.35%) SAP Data Services
8 2 (1.35%) Tableau
9 1 (0.68%) Amazon Athena
9 1 (0.68%) Data Vault
9 1 (0.68%) Looker
9 1 (0.68%) Semantic Layer
9 1 (0.68%) Snowflake Schema
9 1 (0.68%) SQL Server Analysis Services
9 1 (0.68%) SQL Server Reporting Services
Development Applications
1 8 (5.41%) JIRA
2 6 (4.05%) MLflow
3 4 (2.70%) JUnit
3 4 (2.70%) Octopus Deploy
3 4 (2.70%) TeamCity
4 3 (2.03%) Git
4 3 (2.03%) Jenkins
4 3 (2.03%) Storybook
5 2 (1.35%) JMeter
5 2 (1.35%) Maven
5 2 (1.35%) Mockito
6 1 (0.68%) Bitbucket
6 1 (0.68%) Cucumber
6 1 (0.68%) GitLab
6 1 (0.68%) Plastic SCM
6 1 (0.68%) Selenium
General
1 71 (47.97%) Finance
2 40 (27.03%) Social Skills
3 27 (18.24%) Analytical Skills
4 19 (12.84%) Inclusion and Diversity
5 15 (10.14%) Banking
6 12 (8.11%) Influencing Skills
6 12 (8.11%) Law
7 8 (5.41%) Public Sector
7 8 (5.41%) Retail
8 7 (4.73%) Cyber-Physical System
8 7 (4.73%) Investment Banking
9 4 (2.70%) Back Office
9 4 (2.70%) Financial Institution
9 4 (2.70%) Manufacturing
10 3 (2.03%) Legal
11 2 (1.35%) Advertising
11 2 (1.35%) Front Office
12 1 (0.68%) Marketing
Job Titles
1 38 (25.68%) Architect
2 28 (18.92%) Senior
3 18 (12.16%) Developer
4 16 (10.81%) Solutions Architect
5 14 (9.46%) Senior Architect
6 12 (8.11%) Analyst
6 12 (8.11%) Lead
7 11 (7.43%) Software Engineer
8 10 (6.76%) Consultant
9 9 (6.08%) DevOps Engineer
10 8 (5.41%) Senior Solutions Architect
11 7 (4.73%) Business Analyst
11 7 (4.73%) Cybersecurity Engineer
11 7 (4.73%) Java Developer
11 7 (4.73%) Research Engineer
11 7 (4.73%) Security Engineer
11 7 (4.73%) Transformation Manager
12 6 (4.05%) Automation Engineer
12 6 (4.05%) Enterprise Architect
12 6 (4.05%) Lead Developer
Libraries, Frameworks & Software Standards
1 15 (10.14%) .NET
2 13 (8.78%) Spring
3 12 (8.11%) Spring Boot
4 11 (7.43%) Node.js
4 11 (7.43%) OAuth
4 11 (7.43%) React
5 10 (6.76%) JWT
5 10 (6.76%) Middleware
5 10 (6.76%) REST
5 10 (6.76%) RESTful
6 9 (6.08%) Kafka
6 9 (6.08%) Web Services
7 7 (4.73%) FastAPI
7 7 (4.73%) Flask
7 7 (4.73%) PyTorch
8 6 (4.05%) Faiss
8 6 (4.05%) Hugging Face
8 6 (4.05%) OpenAPI
8 6 (4.05%) Pandas
8 6 (4.05%) pytest
Miscellaneous
1 28 (18.92%) Cloud Native
2 9 (6.08%) Fixed Income
2 9 (6.08%) iSeries
3 8 (5.41%) AI Agents
3 8 (5.41%) Foreign Exchange (FX)
3 8 (5.41%) Reinsurance
4 7 (4.73%) Derivative
4 7 (4.73%) Operational Technology
5 6 (4.05%) Distributed Systems
5 6 (4.05%) EPoS
5 6 (4.05%) Low-Code
5 6 (4.05%) Virtual Team
6 4 (2.70%) AS400
6 4 (2.70%) Data Centre
6 4 (2.70%) Distributed Computing
6 4 (2.70%) Hybrid Cloud
6 4 (2.70%) Mainframe
6 4 (2.70%) Onboarding
6 4 (2.70%) Product Ownership
7 3 (2.03%) Replication
Operating Systems
1 3 (2.03%) Android
1 3 (2.03%) Apple iOS
2 2 (1.35%) Windows
3 1 (0.68%) Linux
Processes & Methodologies
1 49 (33.11%) Migration
2 41 (27.70%) AI
3 36 (24.32%) CI/CD
4 34 (22.97%) DevOps
5 33 (22.30%) Agile
6 32 (21.62%) Roadmaps
7 29 (19.59%) Microservices
8 26 (17.57%) Machine Learning
8 26 (17.57%) Problem-Solving
9 25 (16.89%) Software Engineering
10 24 (16.22%) Event-Driven
10 24 (16.22%) Stakeholder Management
11 20 (13.51%) Mentoring
12 18 (12.16%) Data Modelling
12 18 (12.16%) User Acceptance Testing
12 18 (12.16%) Validation
13 17 (11.49%) Data Migration
13 17 (11.49%) Requirements Gathering
14 16 (10.81%) Analytics
14 16 (10.81%) Continuous Improvement
Programming Languages
1 31 (20.95%) Python
2 30 (20.27%) SQL
3 18 (12.16%) Java
4 13 (8.78%) JavaScript
5 12 (8.11%) C#
6 9 (6.08%) TypeScript
7 8 (5.41%) RPG
8 5 (3.38%) PowerShell
9 4 (2.70%) DataWeave
10 3 (2.03%) Kotlin
10 3 (2.03%) Swift
11 2 (1.35%) C++
11 2 (1.35%) Go
11 2 (1.35%) Shell Script
11 2 (1.35%) X++
12 1 (0.68%) Bash
12 1 (0.68%) COBOL
12 1 (0.68%) JCL
12 1 (0.68%) MATLAB
12 1 (0.68%) Ruby
Qualifications
1 25 (16.89%) Security Cleared
2 20 (13.51%) SC Cleared
3 10 (6.76%) Degree
4 8 (5.41%) Master's Degree
5 4 (2.70%) DBS Check
6 1 (0.68%) ACCA
6 1 (0.68%) AWS Certification
6 1 (0.68%) Azure Certification
6 1 (0.68%) CIMA
6 1 (0.68%) Computer Science Degree
6 1 (0.68%) DV Cleared
6 1 (0.68%) Microsoft Certification
6 1 (0.68%) PhD
Quality Assurance & Compliance
1 20 (13.51%) Data Quality
2 5 (3.38%) Accessibility
2 5 (3.38%) QA
3 1 (0.68%) GDPR
3 1 (0.68%) SLA
System Software
1 15 (10.14%) Docker
2 3 (2.03%) Active Directory
2 3 (2.03%) VMware Infrastructure
3 2 (1.35%) vSphere
4 1 (0.68%) Hyper-V
Systems Management
1 14 (9.46%) Kubernetes
2 13 (8.78%) Terraform
3 4 (2.70%) CloudHub
4 3 (2.03%) Progress Chef
4 3 (2.03%) Puppet
5 2 (1.35%) Kibana
5 2 (1.35%) Single Sign-On
5 2 (1.35%) WhatsUp Gold
6 1 (0.68%) Ansible
Vendors
1 18 (12.16%) Microsoft
2 10 (6.76%) Guidewire
2 10 (6.76%) SAP
3 9 (6.08%) IBM
4 7 (4.73%) ServiceNow
5 6 (4.05%) Automation Anywhere
5 6 (4.05%) OpenAI
5 6 (4.05%) Salesforce
5 6 (4.05%) UiPath
6 5 (3.38%) MuleSoft
6 5 (3.38%) Sage
7 4 (2.70%) Concur
7 4 (2.70%) VMware
8 3 (2.03%) Google
8 3 (2.03%) Pega
8 3 (2.03%) Sitecore
9 2 (1.35%) Broadcom
9 2 (1.35%) Cisco
9 2 (1.35%) Splunk
9 2 (1.35%) Veeam