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

6 months to
26 Sep 2026
Same period 2025 Same period 2024
Rank 267 212 380
Rank change year-on-year -55 +168 -36
Permanent jobs citing Legacy Systems 184 176 100
As % of all permanent jobs in London 0.72% 1.49% 0.52%
As % of the Miscellaneous category 2.10% 3.18% 1.30%
Number of salaries quoted 123 78 74
10th Percentile £50,000 £55,350 £41,100
25th Percentile £66,750 £56,563 £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 £94,375 £87,813 £130,313
90th Percentile £120,000 £97,500 £174,750
England median annual salary £68,500 £66,500 £57,500
% change year-on-year +3.01% +15.65% -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 8,755 5,536 7,667
As % of all permanent jobs advertised in London 34.08% 46.72% 40.15%
Number of salaries quoted 5,198 3,256 4,543
10th Percentile £40,829 £37,500 £42,500
25th Percentile £53,750 £52,938 £56,125
Median annual salary (50th Percentile) £75,000 £77,500 £80,000
Median % change year-on-year -3.23% -3.13% +5.89%
75th Percentile £100,000 £105,000 £108,750
90th Percentile £115,000 £135,000 £139,750
England median annual salary £57,500 £55,000 £60,000
% change year-on-year +4.55% -8.33% -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 26 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 26 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 +4 23 £85,000 +13.33% 31
West London -5 16 £80,000 - 6
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 (7.07%) Anypoint
1 13 (7.07%) Mule
2 12 (6.52%) Confluence
3 4 (2.17%) Microsoft Exchange
4 3 (1.63%) Apache
4 3 (1.63%) Apache Airflow
4 3 (1.63%) IIS
5 2 (1.09%) CMS
6 1 (0.54%) NServiceBus
Applications
1 11 (5.98%) MS Visio
2 1 (0.54%) Spreadsheet
Business Applications
1 5 (2.72%) SAP S/4HANA
2 4 (2.17%) Workday HCM
3 2 (1.09%) Dynamics CRM
3 2 (1.09%) NetSuite
3 2 (1.09%) 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 56 (30.43%) Azure
2 52 (28.26%) AWS
3 17 (9.24%) Cloud Computing
4 14 (7.61%) AWS CloudFormation
5 12 (6.52%) Azure DevOps
5 12 (6.52%) Serverless
6 11 (5.98%) Lucidchart
7 9 (4.89%) SaaS
8 8 (4.35%) PaaS
9 7 (3.80%) Entra ID
9 7 (3.80%) GitHub
9 7 (3.80%) IaaS
9 7 (3.80%) Power Platform
10 5 (2.72%) Azure ExpressRoute
10 5 (2.72%) Dynamics 365
10 5 (2.72%) GCP
11 4 (2.17%) GitHub Copilot
12 3 (1.63%) Azure Monitor
12 3 (1.63%) Azure Service Bus
12 3 (1.63%) Azure Storage
Communications & Networking
1 13 (7.07%) SSL
2 7 (3.80%) DNS
2 7 (3.80%) Firewall
2 7 (3.80%) Network Security
2 7 (3.80%) WAN
3 5 (2.72%) LAN
3 5 (2.72%) TCP/IP
3 5 (2.72%) VPN
3 5 (2.72%) Wi-Fi
4 2 (1.09%) DHCP
4 2 (1.09%) SAN
4 2 (1.09%) SD-WAN
4 2 (1.09%) Wireless
5 1 (0.54%) Broadband
5 1 (0.54%) DMARC
Database & Business Intelligence
1 17 (9.24%) PostgreSQL
2 14 (7.61%) Db2
3 10 (5.43%) DTS
4 7 (3.80%) SQL Server
5 4 (2.17%) Power BI
5 4 (2.17%) Relational Database
6 3 (1.63%) SAP Data Services
7 2 (1.09%) Azure SQL Database
7 2 (1.09%) Data Lake
7 2 (1.09%) Elasticsearch
7 2 (1.09%) Metadata
7 2 (1.09%) MySQL
7 2 (1.09%) 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 (3.80%) JIRA
2 6 (3.26%) Selenium
3 5 (2.72%) Jasmine
3 5 (2.72%) Mocha
3 5 (2.72%) NUnit
4 4 (2.17%) Git
5 3 (1.63%) Jenkins
6 2 (1.09%) JMeter
6 2 (1.09%) JUnit
6 2 (1.09%) Mockito
7 1 (0.54%) Bitbucket
7 1 (0.54%) Cucumber
7 1 (0.54%) kappa
General
1 61 (33.15%) Finance
2 30 (16.30%) Social Skills
3 29 (15.76%) Analytical Skills
4 23 (12.50%) Law
5 21 (11.41%) Public Sector
6 16 (8.70%) Influencing Skills
7 12 (6.52%) Inclusion and Diversity
8 11 (5.98%) Banking
9 7 (3.80%) Cyber-Physical System
10 4 (2.17%) Back Office
10 4 (2.17%) General Ledger
10 4 (2.17%) Legal
10 4 (2.17%) Retail
11 3 (1.63%) Front Office
11 3 (1.63%) Investment Banking
11 3 (1.63%) Manufacturing
11 3 (1.63%) Marketing
12 2 (1.09%) Financial Institution
12 2 (1.09%) Presentation Skills
13 1 (0.54%) Police
Job Titles
1 46 (25.00%) Senior
2 41 (22.28%) Architect
3 33 (17.93%) Developer
4 31 (16.85%) Consultant
5 27 (14.67%) Solutions Architect
6 25 (13.59%) Lead
7 18 (9.78%) Migration Consultant
8 17 (9.24%) Software Engineer
9 14 (7.61%) Lead Developer
10 13 (7.07%) MuleSoft Developer
10 13 (7.07%) Professional Services Consultant
11 11 (5.98%) Senior Architect
11 11 (5.98%) Senior Consultant
12 8 (4.35%) Senior Developer
12 8 (4.35%) Senior Solutions Architect
12 8 (4.35%) Workday Consultant
13 7 (3.80%) Azure Engineer
13 7 (3.80%) Cybersecurity Engineer
13 7 (3.80%) DevOps Engineer
13 7 (3.80%) Research Engineer
Libraries, Frameworks & Software Standards
1 21 (11.41%) Spring Boot
2 19 (10.33%) Kafka
3 18 (9.78%) Spring
4 17 (9.24%) .NET
5 15 (8.15%) Node.js
6 14 (7.61%) Middleware
6 14 (7.61%) OAuth
6 14 (7.61%) OAuth2
7 13 (7.07%) JWT
7 13 (7.07%) MUnit
7 13 (7.07%) RAML
7 13 (7.07%) RESTful
8 12 (6.52%) React
8 12 (6.52%) Terraform
9 11 (5.98%) REST
10 5 (2.72%) Hibernate
10 5 (2.72%) HTML
10 5 (2.72%) Jest
10 5 (2.72%) JPA
10 5 (2.72%) JSON
Miscellaneous
1 29 (15.76%) Cloud Native
2 19 (10.33%) Onboarding
3 18 (9.78%) Data Centre
3 18 (9.78%) iSeries
4 17 (9.24%) Enterprise Cloud
5 14 (7.61%) Distributed Computing
6 13 (7.07%) Mainframe
7 10 (5.43%) EPoS
7 10 (5.43%) Greenfield Project
8 9 (4.89%) AI Agents
8 9 (4.89%) AS400
8 9 (4.89%) Data Structures
9 8 (4.35%) Reinsurance
10 7 (3.80%) Distributed Systems
10 7 (3.80%) Enterprise Software
10 7 (3.80%) Management Information System
10 7 (3.80%) Operational Technology
11 5 (2.72%) Distributed Architecture
11 5 (2.72%) Security Posture
11 5 (2.72%) Virtual Team
Operating Systems
1 9 (4.89%) Windows
2 5 (2.72%) Linux
3 3 (1.63%) Android
3 3 (1.63%) Apple iOS
Processes & Methodologies
1 66 (35.87%) Migration
2 51 (27.72%) CI/CD
2 51 (27.72%) Mentoring
3 43 (23.37%) AI
3 43 (23.37%) DevOps
3 43 (23.37%) Software Engineering
4 38 (20.65%) Event-Driven
4 38 (20.65%) Microservices
5 37 (20.11%) Agile
6 34 (18.48%) Continuous Improvement
7 30 (16.30%) Event-Driven Architecture
8 28 (15.22%) Problem-Solving
8 28 (15.22%) Roadmaps
9 27 (14.67%) Test Automation
10 23 (12.50%) Project Delivery
11 22 (11.96%) Machine Learning
12 21 (11.41%) Stakeholder Management
13 19 (10.33%) Configuration Management
13 19 (10.33%) Containerisation
14 18 (9.78%) Root Cause Analysis
Programming Languages
1 36 (19.57%) Python
2 26 (14.13%) Java
3 19 (10.33%) C#
4 16 (8.70%) SQL
5 15 (8.15%) JavaScript
6 13 (7.07%) DataWeave
6 13 (7.07%) RPG
6 13 (7.07%) TypeScript
7 3 (1.63%) Go
7 3 (1.63%) Kotlin
7 3 (1.63%) Swift
7 3 (1.63%) VBA
7 3 (1.63%) VBScript
8 2 (1.09%) Bicep
8 2 (1.09%) C++
8 2 (1.09%) R
8 2 (1.09%) Ruby
8 2 (1.09%) Scala
8 2 (1.09%) Shell Script
9 1 (0.54%) RPG IV
Qualifications
1 46 (25.00%) Security Cleared
2 31 (16.85%) SC Cleared
3 16 (8.70%) Degree
4 10 (5.43%) AWS Certification
5 7 (3.80%) Master's Degree
6 4 (2.17%) DBS Check
6 4 (2.17%) ITIL Certification
7 3 (1.63%) Azure Certification
8 2 (1.09%) TOGAF Certification
9 1 (0.54%) BPSS Clearance
9 1 (0.54%) Computer Science Degree
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 (6.52%) Data Quality
2 6 (3.26%) QA
3 5 (2.72%) SLA
4 3 (1.63%) Accessibility
5 2 (1.09%) PMO
6 1 (0.54%) GDPR
System Software
1 13 (7.07%) Docker
2 7 (3.80%) Active Directory
2 7 (3.80%) VMware Infrastructure
3 5 (2.72%) Hyper-V
4 4 (2.17%) Virtual Machines
5 2 (1.09%) vSphere
Systems Management
1 14 (7.61%) Kubernetes
2 13 (7.07%) CloudHub
2 13 (7.07%) Progress Chef
2 13 (7.07%) Puppet
3 2 (1.09%) Grafana
3 2 (1.09%) Kibana
3 2 (1.09%) Single Sign-On
3 2 (1.09%) WhatsUp Gold
Vendors
1 25 (13.59%) SAP
2 22 (11.96%) Microsoft
3 17 (9.24%) IBM
4 16 (8.70%) Salesforce
5 13 (7.07%) MuleSoft
5 13 (7.07%) ServiceNow
6 12 (6.52%) Workday
7 7 (3.80%) Guidewire
7 7 (3.80%) VMware
8 5 (2.72%) Oracle
9 4 (2.17%) Dynatrace
9 4 (2.17%) HP
10 3 (1.63%) Databricks
10 3 (1.63%) YouTube
11 2 (1.09%) Broadcom
11 2 (1.09%) Citrix
11 2 (1.09%) EMC
11 2 (1.09%) Meraki
11 2 (1.09%) Splunk
11 2 (1.09%) Ubiquiti