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

6 months to
29 Aug 2026
Same period 2025 Same period 2024
Rank 266 248 372
Rank change year-on-year -18 +124 -36
Permanent jobs citing Legacy Systems 183 150 92
As % of all permanent jobs in London 0.76% 1.24% 0.48%
As % of the Miscellaneous category 2.21% 2.70% 1.17%
Number of salaries quoted 124 74 74
10th Percentile £50,000 £55,000 £41,100
25th Percentile £63,125 £56,250 £55,313
Median annual salary (50th Percentile) £80,000 £75,000 £82,500
Median % change year-on-year +6.67% -9.09% -2.94%
75th Percentile £94,063 £88,750 £132,500
90th Percentile £120,000 £97,850 £180,000
England median annual salary £65,500 £65,000 £62,500
% change year-on-year +0.77% +4.00% -3.85%

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 8,275 5,562 7,882
As % of all permanent jobs advertised in London 34.32% 46.08% 40.83%
Number of salaries quoted 4,943 3,272 4,970
10th Percentile £41,250 £38,500 £41,250
25th Percentile £55,000 £54,813 £54,000
Median annual salary (50th Percentile) £75,000 £77,500 £80,000
Median % change year-on-year -3.23% -3.13% +6.67%
75th Percentile £100,000 £105,000 £107,500
90th Percentile £117,500 £135,000 £142,500
England median annual salary £57,500 £55,000 £58,500
% change year-on-year +4.55% -5.98% -10.00%

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 29 August 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 29 August 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 +5 23 £85,000 +13.33% 12
West London -12 16 £80,000 - 9
South London +1 4 £82,500 - 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 13 (7.10%) Anypoint
1 13 (7.10%) Mule
2 12 (6.56%) Confluence
3 3 (1.64%) Apache
3 3 (1.64%) Apache Airflow
4 2 (1.09%) CMS
4 2 (1.09%) IIS
4 2 (1.09%) Microsoft Exchange
5 1 (0.55%) CICS
5 1 (0.55%) NServiceBus
Applications
1 11 (6.01%) MS Visio
2 1 (0.55%) Spreadsheet
Business Applications
1 4 (2.19%) SAP S/4HANA
1 4 (2.19%) Workday HCM
2 2 (1.09%) Dynamics CRM
2 2 (1.09%) NetSuite
2 2 (1.09%) SAP MDG
3 1 (0.55%) Misys Equation
3 1 (0.55%) Misys Midas
3 1 (0.55%) Sage 50
3 1 (0.55%) SAP HCM
3 1 (0.55%) Visualfiles
Cloud Services
1 53 (28.96%) AWS
1 53 (28.96%) Azure
2 17 (9.29%) Cloud Computing
3 14 (7.65%) AWS CloudFormation
4 11 (6.01%) Lucidchart
5 10 (5.46%) Serverless
6 9 (4.92%) Azure DevOps
7 8 (4.37%) PaaS
7 8 (4.37%) SaaS
8 7 (3.83%) IaaS
9 6 (3.28%) GCP
10 5 (2.73%) Azure ExpressRoute
10 5 (2.73%) Entra ID
10 5 (2.73%) Power Platform
11 4 (2.19%) GitHub
12 3 (1.64%) Amazon SQS
12 3 (1.64%) Azure AKS
12 3 (1.64%) GitHub Copilot
12 3 (1.64%) Microsoft 365
13 2 (1.09%) n8n
Communications & Networking
1 13 (7.10%) SSL
2 8 (4.37%) WAN
3 7 (3.83%) DNS
3 7 (3.83%) Firewall
3 7 (3.83%) Network Security
4 5 (2.73%) LAN
4 5 (2.73%) TCP/IP
4 5 (2.73%) VPN
4 5 (2.73%) Wi-Fi
5 2 (1.09%) DHCP
5 2 (1.09%) SAN
5 2 (1.09%) SD-WAN
5 2 (1.09%) Wireless
6 1 (0.55%) Broadband
6 1 (0.55%) DMARC
Database & Business Intelligence
1 16 (8.74%) PostgreSQL
2 15 (8.20%) Db2
3 10 (5.46%) DTS
4 5 (2.73%) Power BI
4 5 (2.73%) SQL Server
5 3 (1.64%) Data Lake
5 3 (1.64%) Relational Database
6 2 (1.09%) Data Warehouse
6 2 (1.09%) Elasticsearch
6 2 (1.09%) MySQL
6 2 (1.09%) SAP Data Services
6 2 (1.09%) Star Schema
7 1 (0.55%) Amazon Athena
7 1 (0.55%) Azure SQL Database
7 1 (0.55%) Data Vault
7 1 (0.55%) Delta Lake
7 1 (0.55%) Parquet
7 1 (0.55%) SAP BW
7 1 (0.55%) Semantic Layer
7 1 (0.55%) Snowflake Schema
Development Applications
1 7 (3.83%) JIRA
2 6 (3.28%) Selenium
3 5 (2.73%) Jasmine
3 5 (2.73%) Mocha
3 5 (2.73%) NUnit
4 3 (1.64%) Git
4 3 (1.64%) Jenkins
5 2 (1.09%) JMeter
5 2 (1.09%) JUnit
5 2 (1.09%) Mockito
6 1 (0.55%) Bitbucket
6 1 (0.55%) Cucumber
6 1 (0.55%) kappa
General
1 66 (36.07%) Finance
2 31 (16.94%) Analytical Skills
3 29 (15.85%) Social Skills
4 25 (13.66%) Law
5 19 (10.38%) Public Sector
6 16 (8.74%) Influencing Skills
7 14 (7.65%) Banking
7 14 (7.65%) Inclusion and Diversity
8 7 (3.83%) Cyber-Physical System
8 7 (3.83%) Retail
9 6 (3.28%) Investment Banking
10 4 (2.19%) Back Office
10 4 (2.19%) General Ledger
11 3 (1.64%) Financial Institution
11 3 (1.64%) Legal
11 3 (1.64%) Manufacturing
11 3 (1.64%) Marketing
12 2 (1.09%) Front Office
12 2 (1.09%) Presentation Skills
13 1 (0.55%) Advertising
Job Titles
1 43 (23.50%) Senior
2 40 (21.86%) Architect
3 32 (17.49%) Consultant
4 31 (16.94%) Developer
5 24 (13.11%) Solutions Architect
6 23 (12.57%) Lead
7 19 (10.38%) Software Engineer
8 18 (9.84%) Migration Consultant
9 14 (7.65%) Lead Developer
10 13 (7.10%) MuleSoft Developer
10 13 (7.10%) Professional Services Consultant
11 11 (6.01%) Senior Architect
11 11 (6.01%) Senior Consultant
12 8 (4.37%) Senior Solutions Architect
12 8 (4.37%) Workday Consultant
13 7 (3.83%) Azure Engineer
13 7 (3.83%) Cybersecurity Engineer
13 7 (3.83%) DevOps Engineer
13 7 (3.83%) Research Engineer
13 7 (3.83%) Senior Professional Services Consultant
Libraries, Frameworks & Software Standards
1 21 (11.48%) Spring Boot
2 19 (10.38%) Kafka
3 18 (9.84%) Spring
4 17 (9.29%) .NET
5 15 (8.20%) Node.js
5 15 (8.20%) React
6 14 (7.65%) OAuth
6 14 (7.65%) OAuth2
7 13 (7.10%) JWT
7 13 (7.10%) Middleware
7 13 (7.10%) MUnit
7 13 (7.10%) RAML
7 13 (7.10%) RESTful
8 10 (5.46%) Terraform
9 7 (3.83%) REST
10 5 (2.73%) Hibernate
10 5 (2.73%) HTML
10 5 (2.73%) Jest
10 5 (2.73%) JPA
10 5 (2.73%) JSON
Miscellaneous
1 33 (18.03%) Cloud Native
2 19 (10.38%) Onboarding
3 18 (9.84%) Data Centre
3 18 (9.84%) iSeries
4 17 (9.29%) Enterprise Cloud
5 14 (7.65%) Distributed Computing
5 14 (7.65%) Mainframe
6 10 (5.46%) EPoS
6 10 (5.46%) Greenfield Project
7 9 (4.92%) AI Agents
7 9 (4.92%) AS400
8 8 (4.37%) Reinsurance
9 7 (3.83%) Fixed Income
9 7 (3.83%) Foreign Exchange (FX)
9 7 (3.83%) Operational Technology
10 6 (3.28%) Data Structures
10 6 (3.28%) Derivative
10 6 (3.28%) Distributed Systems
10 6 (3.28%) Enterprise Software
11 5 (2.73%) Virtual Team
Operating Systems
1 8 (4.37%) Windows
2 5 (2.73%) Linux
3 3 (1.64%) Android
3 3 (1.64%) Apple iOS
Processes & Methodologies
1 66 (36.07%) Migration
2 50 (27.32%) Mentoring
3 47 (25.68%) CI/CD
4 43 (23.50%) AI
5 41 (22.40%) DevOps
5 41 (22.40%) Microservices
6 40 (21.86%) Software Engineering
7 39 (21.31%) Event-Driven
8 38 (20.77%) Agile
9 35 (19.13%) Continuous Improvement
10 31 (16.94%) Problem-Solving
11 28 (15.30%) Event-Driven Architecture
12 27 (14.75%) Roadmaps
13 26 (14.21%) Project Delivery
14 25 (13.66%) Machine Learning
14 25 (13.66%) Test Automation
15 21 (11.48%) Stakeholder Management
16 18 (9.84%) Configuration Management
16 18 (9.84%) Containerisation
16 18 (9.84%) Root Cause Analysis
Programming Languages
1 37 (20.22%) Python
2 27 (14.75%) Java
3 18 (9.84%) C#
4 17 (9.29%) JavaScript
5 15 (8.20%) TypeScript
6 14 (7.65%) SQL
7 13 (7.10%) DataWeave
7 13 (7.10%) RPG
8 3 (1.64%) Go
8 3 (1.64%) Kotlin
8 3 (1.64%) Swift
9 2 (1.09%) C++
9 2 (1.09%) COBOL
9 2 (1.09%) R
9 2 (1.09%) Ruby
9 2 (1.09%) Scala
9 2 (1.09%) Shell Script
9 2 (1.09%) VBA
9 2 (1.09%) VBScript
10 1 (0.55%) JCL
Qualifications
1 44 (24.04%) Security Cleared
2 29 (15.85%) SC Cleared
3 15 (8.20%) Degree
4 10 (5.46%) AWS Certification
5 7 (3.83%) Master's Degree
6 4 (2.19%) DBS Check
6 4 (2.19%) ITIL Certification
7 2 (1.09%) Azure Certification
8 1 (0.55%) ACCA
8 1 (0.55%) BPSS Clearance
8 1 (0.55%) CIMA
8 1 (0.55%) DV Cleared
8 1 (0.55%) Microsoft Certification
8 1 (0.55%) OCP
8 1 (0.55%) Oracle Certification
8 1 (0.55%) PMI Certification
8 1 (0.55%) PMP
8 1 (0.55%) TOGAF Certification
Quality Assurance & Compliance
1 10 (5.46%) Data Quality
2 5 (2.73%) QA
2 5 (2.73%) SLA
3 2 (1.09%) Accessibility
3 2 (1.09%) PMO
4 1 (0.55%) GDPR
System Software
1 13 (7.10%) Docker
2 7 (3.83%) Active Directory
2 7 (3.83%) VMware Infrastructure
3 5 (2.73%) Hyper-V
4 4 (2.19%) Virtual Machines
5 2 (1.09%) vSphere
Systems Management
1 14 (7.65%) Kubernetes
2 13 (7.10%) CloudHub
2 13 (7.10%) Progress Chef
2 13 (7.10%) Puppet
3 2 (1.09%) Kibana
3 2 (1.09%) Single Sign-On
3 2 (1.09%) WhatsUp Gold
Vendors
1 24 (13.11%) SAP
2 20 (10.93%) Microsoft
3 18 (9.84%) IBM
4 14 (7.65%) Salesforce
5 13 (7.10%) MuleSoft
5 13 (7.10%) ServiceNow
6 10 (5.46%) Workday
7 8 (4.37%) VMware
8 7 (3.83%) Guidewire
9 5 (2.73%) Oracle
10 4 (2.19%) HP
11 3 (1.64%) Databricks
11 3 (1.64%) Google
11 3 (1.64%) YouTube
12 2 (1.09%) Broadcom
12 2 (1.09%) Dynatrace
12 2 (1.09%) Meraki
12 2 (1.09%) Splunk
12 2 (1.09%) Ubiquiti
12 2 (1.09%) Xero