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

6 months to
1 Sep 2026
Same period 2025 Same period 2024
Rank 255 239 376
Rank change year-on-year -16 +137 -38
Permanent jobs citing Legacy Systems 183 150 91
As % of all permanent jobs in London 0.76% 1.25% 0.47%
As % of the Miscellaneous category 2.21% 2.70% 1.15%
Number of salaries quoted 123 74 74
10th Percentile £50,000 £55,000 £41,100
25th Percentile £61,250 £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 £93,375 £88,750 £132,500
90th Percentile £120,000 £97,850 £180,000
England median annual salary £66,000 £65,000 £62,500
% change year-on-year +1.54% +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 8,277 5,546 7,906
As % of all permanent jobs advertised in London 34.33% 46.15% 40.83%
Number of salaries quoted 4,939 3,265 4,947
10th Percentile £41,250 £38,500 £41,250
25th Percentile £55,000 £54,000 £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 £115,000 £135,000 £142,500
England median annual salary £57,500 £55,000 £59,000
% change year-on-year +4.55% -6.78% -9.23%

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 1 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 1 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 +11 23 £85,000 +13.33% 19
West London -13 16 £80,000 - 8
South London +4 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
3 3 (1.64%) IIS
4 2 (1.09%) CMS
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%) Azure DevOps
5 10 (5.46%) Serverless
6 8 (4.37%) SaaS
7 7 (3.83%) IaaS
7 7 (3.83%) PaaS
8 6 (3.28%) GCP
9 5 (2.73%) Azure ExpressRoute
9 5 (2.73%) Entra ID
10 4 (2.19%) GitHub
10 4 (2.19%) Power Platform
11 3 (1.64%) Amazon SQS
11 3 (1.64%) Azure AKS
11 3 (1.64%) GitHub Copilot
12 2 (1.09%) n8n
12 2 (1.09%) Snowflake
Communications & Networking
1 13 (7.10%) SSL
2 7 (3.83%) DNS
2 7 (3.83%) Firewall
2 7 (3.83%) Network Security
2 7 (3.83%) WAN
3 5 (2.73%) LAN
3 5 (2.73%) TCP/IP
3 5 (2.73%) VPN
3 5 (2.73%) 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 (0.55%) Broadband
5 1 (0.55%) DMARC
Database & Business Intelligence
1 16 (8.74%) PostgreSQL
2 15 (8.20%) Db2
3 10 (5.46%) DTS
4 6 (3.28%) SQL Server
5 4 (2.19%) Power BI
6 3 (1.64%) Data Lake
6 3 (1.64%) Relational Database
7 2 (1.09%) Data Warehouse
7 2 (1.09%) Elasticsearch
7 2 (1.09%) MySQL
7 2 (1.09%) SAP Data Services
7 2 (1.09%) Star Schema
8 1 (0.55%) Amazon Athena
8 1 (0.55%) Azure SQL Database
8 1 (0.55%) Data Vault
8 1 (0.55%) Delta Lake
8 1 (0.55%) Parquet
8 1 (0.55%) SAP BW
8 1 (0.55%) Semantic Layer
8 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 4 (2.19%) Git
5 3 (1.64%) Jenkins
6 2 (1.09%) JMeter
6 2 (1.09%) JUnit
6 2 (1.09%) Mockito
7 1 (0.55%) Bitbucket
7 1 (0.55%) Cucumber
7 1 (0.55%) kappa
General
1 66 (36.07%) Finance
2 32 (17.49%) Analytical Skills
3 28 (15.30%) 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 42 (22.95%) Senior
2 39 (21.31%) Architect
3 32 (17.49%) Consultant
3 32 (17.49%) Developer
4 24 (13.11%) Solutions Architect
5 23 (12.57%) Lead
6 19 (10.38%) Software Engineer
7 18 (9.84%) Migration Consultant
8 14 (7.65%) Lead Developer
9 13 (7.10%) MuleSoft Developer
9 13 (7.10%) Professional Services Consultant
10 11 (6.01%) Senior Consultant
11 10 (5.46%) Senior Architect
12 8 (4.37%) Senior Solutions Architect
12 8 (4.37%) Workday Consultant
13 7 (3.83%) Azure DevOps Engineer
13 7 (3.83%) Azure Engineer
13 7 (3.83%) Cybersecurity Engineer
13 7 (3.83%) DevOps 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%) .NET
3 18 (9.84%) Spring
4 15 (8.20%) Node.js
4 15 (8.20%) React
5 14 (7.65%) OAuth
5 14 (7.65%) OAuth2
6 13 (7.10%) JWT
6 13 (7.10%) Middleware
6 13 (7.10%) MUnit
6 13 (7.10%) RAML
6 13 (7.10%) RESTful
7 10 (5.46%) Terraform
8 8 (4.37%) REST
9 5 (2.73%) Hibernate
9 5 (2.73%) HTML
9 5 (2.73%) Jest
9 5 (2.73%) JPA
9 5 (2.73%) JSON
Miscellaneous
1 32 (17.49%) 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%) Data Structures
9 7 (3.83%) Fixed Income
9 7 (3.83%) Foreign Exchange (FX)
9 7 (3.83%) Operational Technology
10 6 (3.28%) Derivative
10 6 (3.28%) Distributed Systems
10 6 (3.28%) Enterprise Software
11 5 (2.73%) Distributed Architecture
Operating Systems
1 9 (4.92%) 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 48 (26.23%) CI/CD
4 43 (23.50%) AI
5 41 (22.40%) DevOps
5 41 (22.40%) Microservices
6 40 (21.86%) Software Engineering
7 38 (20.77%) Agile
7 38 (20.77%) Event-Driven
8 36 (19.67%) Continuous Improvement
9 32 (17.49%) Problem-Solving
10 28 (15.30%) Event-Driven Architecture
11 26 (14.21%) Project Delivery
11 26 (14.21%) Roadmaps
12 25 (13.66%) Test Automation
13 24 (13.11%) Machine Learning
14 20 (10.93%) Stakeholder Management
15 18 (9.84%) Configuration Management
15 18 (9.84%) Containerisation
15 18 (9.84%) Root Cause Analysis
Programming Languages
1 37 (20.22%) Python
2 27 (14.75%) Java
3 19 (10.38%) 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
8 3 (1.64%) VBA
8 3 (1.64%) VBScript
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
10 1 (0.55%) Perl
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%) Dynatrace
12 2 (1.09%) Meraki
12 2 (1.09%) Splunk
12 2 (1.09%) Ubiquiti
12 2 (1.09%) Veeam
12 2 (1.09%) Xero