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

6 months to
17 Aug 2026
Same period 2025 Same period 2024
Rank 261 240 381
Rank change year-on-year -21 +141 -50
Permanent jobs citing Legacy Systems 182 153 92
As % of all permanent jobs in London 0.76% 1.25% 0.47%
As % of the Miscellaneous category 2.21% 2.73% 1.15%
Number of salaries quoted 124 78 74
10th Percentile £50,000 £55,000 £41,100
25th Percentile £63,125 £57,500 £61,563
Median annual salary (50th Percentile) £80,000 £75,000 £83,750
Median % change year-on-year +6.67% -10.45% -1.47%
75th Percentile £95,000 £94,688 £132,500
90th Percentile £120,000 £105,000 £180,000
England median annual salary £67,500 £65,000 £65,000
% change year-on-year +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 8,228 5,602 8,017
As % of all permanent jobs advertised in London 34.42% 45.91% 41.26%
Number of salaries quoted 4,913 3,293 5,177
10th Percentile £41,250 £39,750 £41,250
25th Percentile £55,000 £55,000 £53,750
Median annual salary (50th Percentile) £77,500 £77,500 £80,000
Median % change year-on-year - -3.13% +5.77%
75th Percentile £100,000 £105,500 £105,000
90th Percentile £117,500 £135,000 £140,000
England median annual salary £57,500 £55,000 £57,500
% change year-on-year +4.55% -4.35% -11.54%

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 17 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 17 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 +9 23 £85,000 +13.33% 12
West London -9 16 £80,000 - 4
South London +6 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 14 (7.69%) Confluence
2 13 (7.14%) Anypoint
2 13 (7.14%) Mule
3 3 (1.65%) Apache
3 3 (1.65%) Apache Airflow
4 2 (1.10%) CMS
4 2 (1.10%) IIS
4 2 (1.10%) Microsoft Exchange
5 1 (0.55%) CICS
5 1 (0.55%) NServiceBus
Applications
1 11 (6.04%) MS Visio
Business Applications
1 4 (2.20%) SAP S/4HANA
1 4 (2.20%) Workday HCM
2 2 (1.10%) Dynamics CRM
2 2 (1.10%) NetSuite
2 2 (1.10%) 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 55 (30.22%) Azure
2 52 (28.57%) AWS
3 17 (9.34%) Cloud Computing
4 14 (7.69%) AWS CloudFormation
5 11 (6.04%) Lucidchart
6 9 (4.95%) Azure DevOps
6 9 (4.95%) PaaS
6 9 (4.95%) Serverless
7 8 (4.40%) SaaS
8 7 (3.85%) IaaS
9 6 (3.30%) Entra ID
9 6 (3.30%) GCP
10 5 (2.75%) Azure ExpressRoute
10 5 (2.75%) Power Platform
11 4 (2.20%) Microsoft 365
12 3 (1.65%) Amazon SQS
12 3 (1.65%) Azure AKS
12 3 (1.65%) Azure Service Bus
12 3 (1.65%) Dynamics 365
12 3 (1.65%) GitHub
Communications & Networking
1 13 (7.14%) SSL
2 9 (4.95%) WAN
3 7 (3.85%) DNS
3 7 (3.85%) Firewall
3 7 (3.85%) Network Security
4 5 (2.75%) LAN
4 5 (2.75%) TCP/IP
4 5 (2.75%) VPN
4 5 (2.75%) Wi-Fi
5 2 (1.10%) DHCP
5 2 (1.10%) SAN
5 2 (1.10%) SD-WAN
5 2 (1.10%) Wireless
6 1 (0.55%) Broadband
6 1 (0.55%) DMARC
Database & Business Intelligence
1 15 (8.24%) Db2
1 15 (8.24%) PostgreSQL
2 10 (5.49%) DTS
3 5 (2.75%) Power BI
4 4 (2.20%) SQL Server
5 3 (1.65%) Data Lake
6 2 (1.10%) Data Warehouse
6 2 (1.10%) Elasticsearch
6 2 (1.10%) MySQL
6 2 (1.10%) Relational Database
6 2 (1.10%) SAP Data Services
7 1 (0.55%) Amazon Athena
7 1 (0.55%) Data Vault
7 1 (0.55%) SAP BW
7 1 (0.55%) Semantic Layer
7 1 (0.55%) Snowflake Schema
7 1 (0.55%) Star Schema
Development Applications
1 9 (4.95%) JIRA
2 6 (3.30%) Selenium
3 5 (2.75%) Jasmine
3 5 (2.75%) Mocha
3 5 (2.75%) NUnit
4 3 (1.65%) Git
4 3 (1.65%) Jenkins
5 2 (1.10%) JMeter
5 2 (1.10%) JUnit
5 2 (1.10%) Mockito
6 1 (0.55%) Bitbucket
6 1 (0.55%) Cucumber
General
1 67 (36.81%) Finance
2 31 (17.03%) Analytical Skills
2 31 (17.03%) Social Skills
3 24 (13.19%) Law
4 19 (10.44%) Public Sector
5 14 (7.69%) Inclusion and Diversity
6 13 (7.14%) Banking
6 13 (7.14%) Influencing Skills
7 7 (3.85%) Cyber-Physical System
7 7 (3.85%) Retail
8 6 (3.30%) Investment Banking
9 4 (2.20%) Back Office
9 4 (2.20%) General Ledger
10 3 (1.65%) Financial Institution
10 3 (1.65%) Legal
10 3 (1.65%) Manufacturing
10 3 (1.65%) Marketing
11 2 (1.10%) Presentation Skills
12 1 (0.55%) Advertising
12 1 (0.55%) Front Office
Job Titles
1 44 (24.18%) Senior
2 41 (22.53%) Architect
3 32 (17.58%) Consultant
4 30 (16.48%) Developer
5 23 (12.64%) Solutions Architect
6 21 (11.54%) Lead
7 18 (9.89%) Migration Consultant
7 18 (9.89%) Software Engineer
8 14 (7.69%) Lead Developer
9 13 (7.14%) MuleSoft Developer
9 13 (7.14%) Professional Services Consultant
9 13 (7.14%) Senior Architect
10 11 (6.04%) Senior Consultant
11 9 (4.95%) Senior Solutions Architect
12 8 (4.40%) Workday Consultant
13 7 (3.85%) Azure DevOps Engineer
13 7 (3.85%) Azure Engineer
13 7 (3.85%) Cybersecurity Engineer
13 7 (3.85%) DevOps Engineer
13 7 (3.85%) Senior Professional Services Consultant
Libraries, Frameworks & Software Standards
1 21 (11.54%) Spring Boot
2 18 (9.89%) Kafka
2 18 (9.89%) Spring
3 17 (9.34%) .NET
4 15 (8.24%) Node.js
4 15 (8.24%) React
5 14 (7.69%) OAuth
5 14 (7.69%) OAuth2
6 13 (7.14%) JWT
6 13 (7.14%) Middleware
6 13 (7.14%) MUnit
6 13 (7.14%) RAML
6 13 (7.14%) RESTful
7 7 (3.85%) REST
8 5 (2.75%) CSS
8 5 (2.75%) Hibernate
8 5 (2.75%) HTML
8 5 (2.75%) Jest
8 5 (2.75%) JPA
8 5 (2.75%) JSON
Miscellaneous
1 33 (18.13%) Cloud Native
2 18 (9.89%) Data Centre
2 18 (9.89%) iSeries
2 18 (9.89%) Onboarding
3 17 (9.34%) Enterprise Cloud
4 14 (7.69%) Distributed Computing
4 14 (7.69%) Mainframe
5 10 (5.49%) EPoS
5 10 (5.49%) Greenfield Project
6 9 (4.95%) AI Agents
6 9 (4.95%) AS400
7 8 (4.40%) Reinsurance
8 7 (3.85%) Fixed Income
8 7 (3.85%) Foreign Exchange (FX)
8 7 (3.85%) Operational Technology
9 6 (3.30%) Data Structures
9 6 (3.30%) Derivative
9 6 (3.30%) Distributed Systems
9 6 (3.30%) Enterprise Software
10 5 (2.75%) Security Posture
Operating Systems
1 8 (4.40%) Windows
2 5 (2.75%) Linux
3 3 (1.65%) Android
3 3 (1.65%) Apple iOS
Processes & Methodologies
1 68 (37.36%) Migration
2 50 (27.47%) Mentoring
3 47 (25.82%) CI/CD
4 43 (23.63%) DevOps
5 42 (23.08%) AI
6 41 (22.53%) Microservices
7 40 (21.98%) Agile
7 40 (21.98%) Event-Driven
8 38 (20.88%) Software Engineering
9 33 (18.13%) Continuous Improvement
10 31 (17.03%) Problem-Solving
11 28 (15.38%) Event-Driven Architecture
11 28 (15.38%) Roadmaps
12 26 (14.29%) Project Delivery
13 25 (13.74%) Machine Learning
13 25 (13.74%) Test Automation
14 21 (11.54%) Stakeholder Management
15 18 (9.89%) Configuration Management
15 18 (9.89%) Containerisation
15 18 (9.89%) Root Cause Analysis
Programming Languages
1 35 (19.23%) Python
2 27 (14.84%) Java
3 18 (9.89%) C#
4 17 (9.34%) JavaScript
5 15 (8.24%) TypeScript
6 14 (7.69%) SQL
7 13 (7.14%) DataWeave
7 13 (7.14%) RPG
8 3 (1.65%) Go
8 3 (1.65%) Kotlin
8 3 (1.65%) Swift
9 2 (1.10%) C++
9 2 (1.10%) COBOL
9 2 (1.10%) R
9 2 (1.10%) Ruby
9 2 (1.10%) Scala
9 2 (1.10%) Shell Script
9 2 (1.10%) VBA
9 2 (1.10%) VBScript
10 1 (0.55%) JCL
Qualifications
1 43 (23.63%) Security Cleared
2 28 (15.38%) SC Cleared
3 13 (7.14%) Degree
4 10 (5.49%) AWS Certification
5 7 (3.85%) Master's Degree
6 4 (2.20%) DBS Check
7 2 (1.10%) ITIL Certification
8 1 (0.55%) ACCA
8 1 (0.55%) Azure Certification
8 1 (0.55%) CIMA
8 1 (0.55%) DV Cleared
8 1 (0.55%) OCP
8 1 (0.55%) Oracle Certification
8 1 (0.55%) PMI Certification
8 1 (0.55%) PMP
Quality Assurance & Compliance
1 10 (5.49%) Data Quality
2 5 (2.75%) QA
2 5 (2.75%) SLA
3 3 (1.65%) Accessibility
4 2 (1.10%) PMO
5 1 (0.55%) GDPR
System Software
1 13 (7.14%) Docker
2 7 (3.85%) Active Directory
2 7 (3.85%) VMware Infrastructure
3 5 (2.75%) Hyper-V
4 4 (2.20%) Virtual Machines
5 2 (1.10%) vSphere
Systems Management
1 13 (7.14%) CloudHub
1 13 (7.14%) Kubernetes
1 13 (7.14%) Progress Chef
1 13 (7.14%) Puppet
2 10 (5.49%) Terraform
3 2 (1.10%) Kibana
3 2 (1.10%) Single Sign-On
3 2 (1.10%) WhatsUp Gold
Vendors
1 24 (13.19%) SAP
2 21 (11.54%) Microsoft
3 18 (9.89%) IBM
4 15 (8.24%) ServiceNow
5 14 (7.69%) Salesforce
6 13 (7.14%) MuleSoft
7 8 (4.40%) VMware
7 8 (4.40%) Workday
8 7 (3.85%) Guidewire
9 5 (2.75%) Oracle
10 4 (2.20%) HP
11 3 (1.65%) Google
11 3 (1.65%) Sage
12 2 (1.10%) Broadcom
12 2 (1.10%) Cisco
12 2 (1.10%) Citrix
12 2 (1.10%) EMC
12 2 (1.10%) Meraki
12 2 (1.10%) Splunk
12 2 (1.10%) Veeam