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

6 months to
23 Sep 2026
Same period 2025 Same period 2024
Rank 264 217 366
Rank change year-on-year -47 +149 -15
Permanent jobs citing Legacy Systems 185 171 96
As % of all permanent jobs in London 0.73% 1.45% 0.51%
As % of the Miscellaneous category 2.12% 3.10% 1.27%
Number of salaries quoted 124 75 74
10th Percentile £50,000 £55,500 £41,100
25th Percentile £66,750 £57,500 £48,750
Median annual salary (50th Percentile) £82,500 £75,000 £80,000
Median % change year-on-year +10.00% -6.25% -5.88%
75th Percentile £95,000 £91,250 £130,313
90th Percentile £120,000 £97,500 £174,750
England median annual salary £68,500 £67,250 £57,500
% change year-on-year +1.86% +16.96% -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 8,706 5,524 7,563
As % of all permanent jobs advertised in London 34.13% 46.72% 40.31%
Number of salaries quoted 5,190 3,261 4,515
10th Percentile £41,113 £37,500 £42,500
25th Percentile £54,662 £53,750 £55,000
Median annual salary (50th Percentile) £77,000 £77,500 £80,000
Median % change year-on-year -0.65% -3.13% +6.67%
75th Percentile £100,000 £105,000 £110,000
90th Percentile £115,000 £135,000 £140,000
England median annual salary £57,500 £55,000 £60,000
% change year-on-year +4.55% -8.33% -6.98%

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 September 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 September 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 24 £85,000 -2.86% 32
West London -10 16 £80,000 - 7
South London +4 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 13 (7.03%) Anypoint
1 13 (7.03%) Mule
2 12 (6.49%) Confluence
3 4 (2.16%) Microsoft Exchange
4 3 (1.62%) Apache
4 3 (1.62%) Apache Airflow
4 3 (1.62%) IIS
5 2 (1.08%) CMS
6 1 (0.54%) CICS
6 1 (0.54%) NServiceBus
Applications
1 11 (5.95%) MS Visio
2 1 (0.54%) Spreadsheet
Business Applications
1 5 (2.70%) SAP S/4HANA
2 4 (2.16%) Workday HCM
3 2 (1.08%) Dynamics CRM
3 2 (1.08%) NetSuite
3 2 (1.08%) SAP MDG
4 1 (0.54%) Misys Equation
4 1 (0.54%) Misys Midas
4 1 (0.54%) SAP HCM
4 1 (0.54%) Visualfiles
Cloud Services
1 57 (30.81%) Azure
2 53 (28.65%) AWS
3 17 (9.19%) Cloud Computing
4 14 (7.57%) AWS CloudFormation
5 12 (6.49%) Azure DevOps
5 12 (6.49%) Serverless
6 11 (5.95%) Lucidchart
7 9 (4.86%) SaaS
8 8 (4.32%) PaaS
9 7 (3.78%) Entra ID
9 7 (3.78%) GitHub
9 7 (3.78%) IaaS
9 7 (3.78%) Power Platform
10 6 (3.24%) GCP
11 5 (2.70%) Azure ExpressRoute
11 5 (2.70%) Dynamics 365
12 4 (2.16%) GitHub Copilot
13 3 (1.62%) Azure Monitor
13 3 (1.62%) Azure Service Bus
13 3 (1.62%) Azure Storage
Communications & Networking
1 13 (7.03%) SSL
2 7 (3.78%) DNS
2 7 (3.78%) Firewall
2 7 (3.78%) Network Security
2 7 (3.78%) WAN
3 5 (2.70%) LAN
3 5 (2.70%) TCP/IP
3 5 (2.70%) VPN
3 5 (2.70%) Wi-Fi
4 2 (1.08%) DHCP
4 2 (1.08%) SAN
4 2 (1.08%) SD-WAN
4 2 (1.08%) Wireless
5 1 (0.54%) Broadband
5 1 (0.54%) DMARC
Database & Business Intelligence
1 17 (9.19%) PostgreSQL
2 15 (8.11%) Db2
3 10 (5.41%) DTS
4 7 (3.78%) SQL Server
5 4 (2.16%) Power BI
5 4 (2.16%) Relational Database
6 3 (1.62%) SAP Data Services
7 2 (1.08%) Azure SQL Database
7 2 (1.08%) Data Lake
7 2 (1.08%) Elasticsearch
7 2 (1.08%) Metadata
7 2 (1.08%) MySQL
7 2 (1.08%) Star Schema
8 1 (0.54%) Amazon Athena
8 1 (0.54%) Data Vault
8 1 (0.54%) Data Warehouse
8 1 (0.54%) Delta Lake
8 1 (0.54%) SAP BW
8 1 (0.54%) Semantic Layer
8 1 (0.54%) Snowflake Schema
Development Applications
1 7 (3.78%) JIRA
2 6 (3.24%) Selenium
3 5 (2.70%) Jasmine
3 5 (2.70%) Mocha
3 5 (2.70%) NUnit
4 4 (2.16%) Git
5 3 (1.62%) Jenkins
6 2 (1.08%) JMeter
6 2 (1.08%) JUnit
6 2 (1.08%) Mockito
7 1 (0.54%) Bitbucket
7 1 (0.54%) Cucumber
7 1 (0.54%) kappa
General
1 61 (32.97%) Finance
2 30 (16.22%) Social Skills
3 29 (15.68%) Analytical Skills
4 23 (12.43%) Law
5 21 (11.35%) Public Sector
6 16 (8.65%) Influencing Skills
7 12 (6.49%) Inclusion and Diversity
8 11 (5.95%) Banking
9 7 (3.78%) Cyber-Physical System
10 4 (2.16%) Back Office
10 4 (2.16%) General Ledger
10 4 (2.16%) Legal
10 4 (2.16%) Retail
11 3 (1.62%) Front Office
11 3 (1.62%) Investment Banking
11 3 (1.62%) Manufacturing
11 3 (1.62%) Marketing
12 2 (1.08%) Financial Institution
12 2 (1.08%) Presentation Skills
13 1 (0.54%) Police
Job Titles
1 46 (24.86%) Senior
2 43 (23.24%) Architect
3 33 (17.84%) Developer
4 31 (16.76%) Consultant
5 28 (15.14%) Solutions Architect
6 25 (13.51%) Lead
7 18 (9.73%) Migration Consultant
8 17 (9.19%) Software Engineer
9 14 (7.57%) Lead Developer
10 13 (7.03%) MuleSoft Developer
10 13 (7.03%) Professional Services Consultant
11 11 (5.95%) Senior Architect
11 11 (5.95%) Senior Consultant
12 8 (4.32%) Senior Developer
12 8 (4.32%) Senior Solutions Architect
12 8 (4.32%) Workday Consultant
13 7 (3.78%) Azure Engineer
13 7 (3.78%) Cybersecurity Engineer
13 7 (3.78%) DevOps Engineer
13 7 (3.78%) Research Engineer
Libraries, Frameworks & Software Standards
1 21 (11.35%) Spring Boot
2 19 (10.27%) Kafka
3 18 (9.73%) .NET
3 18 (9.73%) Spring
4 15 (8.11%) Node.js
5 14 (7.57%) Middleware
5 14 (7.57%) OAuth
5 14 (7.57%) OAuth2
6 13 (7.03%) JWT
6 13 (7.03%) MUnit
6 13 (7.03%) RAML
6 13 (7.03%) React
6 13 (7.03%) RESTful
7 12 (6.49%) Terraform
8 11 (5.95%) REST
9 5 (2.70%) Hibernate
9 5 (2.70%) HTML
9 5 (2.70%) Jest
9 5 (2.70%) JPA
9 5 (2.70%) JSON
Miscellaneous
1 29 (15.68%) Cloud Native
2 19 (10.27%) Onboarding
3 18 (9.73%) Data Centre
3 18 (9.73%) iSeries
4 17 (9.19%) Enterprise Cloud
5 14 (7.57%) Distributed Computing
5 14 (7.57%) Mainframe
6 10 (5.41%) EPoS
6 10 (5.41%) Greenfield Project
7 9 (4.86%) AI Agents
7 9 (4.86%) AS400
7 9 (4.86%) Data Structures
8 8 (4.32%) Reinsurance
9 7 (3.78%) Distributed Systems
9 7 (3.78%) Enterprise Software
9 7 (3.78%) Management Information System
9 7 (3.78%) Operational Technology
10 5 (2.70%) Distributed Architecture
10 5 (2.70%) Security Posture
10 5 (2.70%) Virtual Team
Operating Systems
1 9 (4.86%) Windows
2 5 (2.70%) Linux
3 3 (1.62%) Android
3 3 (1.62%) Apple iOS
Processes & Methodologies
1 66 (35.68%) Migration
2 50 (27.03%) CI/CD
2 50 (27.03%) Mentoring
3 43 (23.24%) AI
4 42 (22.70%) DevOps
4 42 (22.70%) Software Engineering
5 39 (21.08%) Microservices
6 38 (20.54%) Event-Driven
7 37 (20.00%) Agile
8 34 (18.38%) Continuous Improvement
9 30 (16.22%) Event-Driven Architecture
10 29 (15.68%) Roadmaps
11 28 (15.14%) Problem-Solving
12 26 (14.05%) Test Automation
13 23 (12.43%) Project Delivery
14 22 (11.89%) Machine Learning
15 21 (11.35%) Stakeholder Management
16 19 (10.27%) Configuration Management
17 18 (9.73%) Containerisation
17 18 (9.73%) Root Cause Analysis
Programming Languages
1 36 (19.46%) Python
2 26 (14.05%) Java
3 19 (10.27%) C#
4 16 (8.65%) SQL
5 15 (8.11%) JavaScript
6 13 (7.03%) DataWeave
6 13 (7.03%) RPG
6 13 (7.03%) TypeScript
7 3 (1.62%) Go
7 3 (1.62%) Kotlin
7 3 (1.62%) Swift
7 3 (1.62%) VBA
7 3 (1.62%) VBScript
8 2 (1.08%) Bicep
8 2 (1.08%) C++
8 2 (1.08%) COBOL
8 2 (1.08%) R
8 2 (1.08%) Ruby
8 2 (1.08%) Scala
8 2 (1.08%) Shell Script
Qualifications
1 46 (24.86%) Security Cleared
2 31 (16.76%) SC Cleared
3 15 (8.11%) Degree
4 10 (5.41%) AWS Certification
5 7 (3.78%) Master's Degree
6 4 (2.16%) DBS Check
6 4 (2.16%) ITIL Certification
7 3 (1.62%) Azure Certification
8 2 (1.08%) TOGAF Certification
9 1 (0.54%) BPSS Clearance
9 1 (0.54%) DV Cleared
9 1 (0.54%) Microsoft Certification
9 1 (0.54%) OCP
9 1 (0.54%) Oracle Certification
9 1 (0.54%) PMI Certification
9 1 (0.54%) PMP
Quality Assurance & Compliance
1 12 (6.49%) Data Quality
2 6 (3.24%) QA
3 5 (2.70%) SLA
4 3 (1.62%) Accessibility
5 2 (1.08%) PMO
6 1 (0.54%) GDPR
System Software
1 13 (7.03%) Docker
2 7 (3.78%) Active Directory
2 7 (3.78%) VMware Infrastructure
3 5 (2.70%) Hyper-V
4 4 (2.16%) Virtual Machines
5 2 (1.08%) vSphere
Systems Management
1 14 (7.57%) Kubernetes
2 13 (7.03%) CloudHub
2 13 (7.03%) Progress Chef
2 13 (7.03%) Puppet
3 2 (1.08%) Grafana
3 2 (1.08%) Kibana
3 2 (1.08%) Single Sign-On
3 2 (1.08%) WhatsUp Gold
Vendors
1 25 (13.51%) SAP
2 23 (12.43%) Microsoft
3 18 (9.73%) IBM
4 16 (8.65%) Salesforce
5 13 (7.03%) MuleSoft
5 13 (7.03%) ServiceNow
6 12 (6.49%) Workday
7 8 (4.32%) VMware
8 7 (3.78%) Guidewire
9 6 (3.24%) Oracle
10 4 (2.16%) Dynatrace
10 4 (2.16%) HP
11 3 (1.62%) Databricks
11 3 (1.62%) Google
11 3 (1.62%) YouTube
12 2 (1.08%) Cisco
12 2 (1.08%) Citrix
12 2 (1.08%) EMC
12 2 (1.08%) Sony
12 2 (1.08%) Sophos