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

6 months to
21 Jul 2026
Same period 2025 Same period 2024
Rank 244 292 394
Rank change year-on-year +48 +102 -41
Permanent jobs citing Legacy Systems 176 108 89
As % of all permanent jobs in London 0.78% 0.87% 0.41%
As % of the Miscellaneous category 2.30% 1.94% 1.00%
Number of salaries quoted 121 68 73
10th Percentile £55,000 £55,350 £42,707
25th Percentile £66,750 £60,313 £63,218
Median annual salary (50th Percentile) £81,000 £77,500 £80,000
Median % change year-on-year +4.52% -3.13% -7.25%
75th Percentile £97,500 £96,563 £120,000
90th Percentile £120,000 £105,750 £157,000
England median annual salary £67,500 £65,000 £58,750
% change year-on-year +3.85% +10.64% -9.62%

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 7,659 5,558 8,914
As % of all permanent jobs advertised in London 34.06% 44.95% 41.11%
Number of salaries quoted 4,689 3,239 6,030
10th Percentile £41,250 £40,500 £38,918
25th Percentile £55,750 £55,000 £52,000
Median annual salary (50th Percentile) £80,000 £78,500 £76,500
Median % change year-on-year +1.91% +2.61% +2.00%
75th Percentile £100,000 £107,500 £102,500
90th Percentile £120,000 £136,250 £135,350
England median annual salary £59,490 £57,500 £55,000
% change year-on-year +3.46% +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 21 July 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 21 July 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 +8 23 £85,000 +13.33% 16
West London -3 16 £80,000 - 9
South London +16 4 £82,500 -
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 16 (9.09%) Confluence
2 11 (6.25%) Anypoint
2 11 (6.25%) Mule
3 2 (1.14%) Appian
3 2 (1.14%) CMS
3 2 (1.14%) Microsoft Exchange
4 1 (0.57%) CICS
4 1 (0.57%) Jupyter
4 1 (0.57%) NServiceBus
4 1 (0.57%) SharePoint
Applications
1 12 (6.82%) MS Visio
2 1 (0.57%) Spreadsheet
Business Applications
1 5 (2.84%) SAP S/4HANA
2 4 (2.27%) Workday HCM
3 2 (1.14%) Dynamics CRM
3 2 (1.14%) SAP MDG
4 1 (0.57%) Misys Equation
4 1 (0.57%) Misys Midas
4 1 (0.57%) Sage 50
4 1 (0.57%) SAP HCM
4 1 (0.57%) Visualfiles
Cloud Services
1 55 (31.25%) Azure
2 42 (23.86%) AWS
3 18 (10.23%) Cloud Computing
4 14 (7.95%) AWS CloudFormation
5 12 (6.82%) Lucidchart
6 11 (6.25%) PaaS
7 9 (5.11%) Serverless
8 8 (4.55%) Power Platform
9 7 (3.98%) Azure DevOps
9 7 (3.98%) Entra ID
9 7 (3.98%) IaaS
10 6 (3.41%) Microsoft 365
10 6 (3.41%) SaaS
11 5 (2.84%) Azure ExpressRoute
11 5 (2.84%) Azure Service Bus
11 5 (2.84%) Azure Synapse Analytics
11 5 (2.84%) GCP
12 4 (2.27%) Azure Event Grid
12 4 (2.27%) Azure Logic Apps
13 3 (1.70%) Azure AKS
Communications & Networking
1 11 (6.25%) SSL
1 11 (6.25%) WAN
2 7 (3.98%) DNS
2 7 (3.98%) Firewall
2 7 (3.98%) Network Security
3 5 (2.84%) LAN
3 5 (2.84%) TCP/IP
3 5 (2.84%) VPN
3 5 (2.84%) Wi-Fi
4 2 (1.14%) DHCP
4 2 (1.14%) SAN
4 2 (1.14%) SD-WAN
4 2 (1.14%) Wireless
5 1 (0.57%) Broadband
5 1 (0.57%) DMARC
Database & Business Intelligence
1 15 (8.52%) Db2
1 15 (8.52%) PostgreSQL
2 10 (5.68%) DTS
3 8 (4.55%) Power BI
4 5 (2.84%) SQL Server
5 4 (2.27%) Data Lake
6 3 (1.70%) Data Warehouse
7 2 (1.14%) BigQuery
7 2 (1.14%) Pinecone
7 2 (1.14%) Relational Database
7 2 (1.14%) SAP Data Services
8 1 (0.57%) Amazon Athena
8 1 (0.57%) Data Vault
8 1 (0.57%) Looker
8 1 (0.57%) SAP BW
8 1 (0.57%) Semantic Layer
8 1 (0.57%) Snowflake Schema
8 1 (0.57%) Star Schema
8 1 (0.57%) Tableau
Development Applications
1 11 (6.25%) JIRA
2 3 (1.70%) Jenkins
2 3 (1.70%) Selenium
3 2 (1.14%) Jasmine
3 2 (1.14%) JMeter
3 2 (1.14%) JUnit
3 2 (1.14%) MLflow
3 2 (1.14%) Mocha
3 2 (1.14%) Mockito
3 2 (1.14%) NUnit
4 1 (0.57%) Bitbucket
4 1 (0.57%) Cucumber
4 1 (0.57%) GitLab
General
1 69 (39.20%) Finance
2 33 (18.75%) Social Skills
3 27 (15.34%) Analytical Skills
4 20 (11.36%) Law
4 20 (11.36%) Public Sector
5 17 (9.66%) Inclusion and Diversity
6 14 (7.95%) Banking
7 13 (7.39%) Influencing Skills
8 8 (4.55%) Retail
9 7 (3.98%) Cyber-Physical System
9 7 (3.98%) Investment Banking
10 4 (2.27%) Back Office
10 4 (2.27%) Financial Institution
10 4 (2.27%) General Ledger
10 4 (2.27%) Manufacturing
11 3 (1.70%) Legal
12 2 (1.14%) Advertising
12 2 (1.14%) Front Office
13 1 (0.57%) Marketing
Job Titles
1 44 (25.00%) Architect
2 39 (22.16%) Senior
3 31 (17.61%) Consultant
4 24 (13.64%) Developer
5 21 (11.93%) Solutions Architect
6 19 (10.80%) Lead
7 18 (10.23%) Migration Consultant
8 15 (8.52%) Senior Architect
9 13 (7.39%) Professional Services Consultant
10 12 (6.82%) Lead Developer
10 12 (6.82%) Software Engineer
11 11 (6.25%) MuleSoft Developer
11 11 (6.25%) Senior Consultant
12 10 (5.68%) Analyst
13 9 (5.11%) Senior Solutions Architect
14 8 (4.55%) Workday Consultant
15 7 (3.98%) Azure Engineer
15 7 (3.98%) Cybersecurity Engineer
15 7 (3.98%) DevOps Engineer
15 7 (3.98%) Research Engineer
Libraries, Frameworks & Software Standards
1 18 (10.23%) Spring Boot
2 15 (8.52%) Kafka
2 15 (8.52%) Node.js
2 15 (8.52%) Spring
3 14 (7.95%) Middleware
3 14 (7.95%) OAuth
4 13 (7.39%) JWT
5 12 (6.82%) OAuth2
6 11 (6.25%) .NET
6 11 (6.25%) MUnit
6 11 (6.25%) RAML
7 10 (5.68%) React
8 8 (4.55%) RESTful
9 6 (3.41%) REST
10 5 (2.84%) CSS
11 3 (1.70%) FastAPI
11 3 (1.70%) Flask
11 3 (1.70%) HTML
11 3 (1.70%) React Native
11 3 (1.70%) Web Services
Miscellaneous
1 32 (18.18%) Cloud Native
2 18 (10.23%) Data Centre
2 18 (10.23%) iSeries
2 18 (10.23%) Onboarding
3 17 (9.66%) Enterprise Cloud
4 14 (7.95%) Distributed Computing
4 14 (7.95%) Mainframe
5 10 (5.68%) EPoS
6 9 (5.11%) AS400
6 9 (5.11%) Fixed Income
6 9 (5.11%) Greenfield Project
7 8 (4.55%) AI Agents
7 8 (4.55%) Foreign Exchange (FX)
7 8 (4.55%) Reinsurance
8 7 (3.98%) Derivative
8 7 (3.98%) Operational Technology
9 6 (3.41%) Distributed Systems
10 5 (2.84%) Data Structures
10 5 (2.84%) Security Posture
11 4 (2.27%) Product Ownership
Operating Systems
1 6 (3.41%) Windows
2 5 (2.84%) Linux
3 3 (1.70%) Android
3 3 (1.70%) Apple iOS
Processes & Methodologies
1 66 (37.50%) Migration
2 42 (23.86%) Mentoring
3 40 (22.73%) CI/CD
4 39 (22.16%) AI
5 36 (20.45%) Agile
5 36 (20.45%) Event-Driven
6 35 (19.89%) DevOps
6 35 (19.89%) Microservices
7 32 (18.18%) Continuous Improvement
7 32 (18.18%) Roadmaps
8 29 (16.48%) Software Engineering
9 27 (15.34%) Machine Learning
9 27 (15.34%) Project Delivery
10 25 (14.20%) Event-Driven Architecture
10 25 (14.20%) Stakeholder Management
11 23 (13.07%) Problem-Solving
12 20 (11.36%) Test Automation
13 17 (9.66%) Application Discovery
13 17 (9.66%) Data Migration
13 17 (9.66%) Database Migration
Programming Languages
1 29 (16.48%) Python
2 22 (12.50%) Java
3 19 (10.80%) SQL
4 13 (7.39%) RPG
5 12 (6.82%) C#
5 12 (6.82%) JavaScript
6 11 (6.25%) DataWeave
7 9 (5.11%) TypeScript
8 3 (1.70%) Kotlin
8 3 (1.70%) Swift
9 2 (1.14%) C++
9 2 (1.14%) COBOL
9 2 (1.14%) Go
9 2 (1.14%) Shell Script
10 1 (0.57%) JCL
10 1 (0.57%) MATLAB
10 1 (0.57%) Perl
10 1 (0.57%) PowerShell
10 1 (0.57%) Ruby
10 1 (0.57%) X++
Qualifications
1 39 (22.16%) Security Cleared
2 24 (13.64%) SC Cleared
3 11 (6.25%) Degree
4 10 (5.68%) AWS Certification
5 8 (4.55%) Master's Degree
6 4 (2.27%) DBS Check
7 1 (0.57%) ACCA
7 1 (0.57%) Azure Certification
7 1 (0.57%) CIMA
7 1 (0.57%) Computer Science Degree
7 1 (0.57%) DV Cleared
7 1 (0.57%) ITIL Certification
7 1 (0.57%) PhD
7 1 (0.57%) PMI Certification
7 1 (0.57%) PMP
Quality Assurance & Compliance
1 15 (8.52%) Data Quality
2 5 (2.84%) SLA
3 4 (2.27%) QA
4 2 (1.14%) Accessibility
4 2 (1.14%) PMO
5 1 (0.57%) GDPR
System Software
1 11 (6.25%) Docker
2 7 (3.98%) Active Directory
2 7 (3.98%) VMware Infrastructure
3 5 (2.84%) Hyper-V
4 4 (2.27%) Virtual Machines
5 2 (1.14%) vSphere
Systems Management
1 13 (7.39%) Progress Chef
1 13 (7.39%) Puppet
2 11 (6.25%) CloudHub
2 11 (6.25%) Kubernetes
2 11 (6.25%) Terraform
3 2 (1.14%) Kibana
3 2 (1.14%) Single Sign-On
3 2 (1.14%) WhatsUp Gold
4 1 (0.57%) Ansible
Vendors
1 24 (13.64%) Microsoft
2 23 (13.07%) SAP
3 18 (10.23%) IBM
4 14 (7.95%) ServiceNow
5 13 (7.39%) Salesforce
6 12 (6.82%) MuleSoft
7 8 (4.55%) VMware
7 8 (4.55%) Workday
8 7 (3.98%) Guidewire
9 5 (2.84%) Oracle
9 5 (2.84%) Sage
10 4 (2.27%) Concur
10 4 (2.27%) Google
10 4 (2.27%) HP
11 2 (1.14%) Automation Anywhere
11 2 (1.14%) Meraki
11 2 (1.14%) OpenAI
11 2 (1.14%) Ubiquiti
11 2 (1.14%) UiPath
11 2 (1.14%) Xero