Legacy Systems Jobs 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 2 July 2025, comparing them to the same period in the previous two years.

6 months to
2 Jul 2025
Same period 2024 Same period 2023
Rank 302 399 355
Rank change year-on-year +97 -44 +84
Permanent jobs citing Legacy Systems 105 103 237
As % of all permanent jobs advertised in London 0.81% 0.42% 0.79%
As % of the Miscellaneous category 1.79% 1.05% 1.76%
Number of salaries quoted 62 76 206
10th Percentile £55,500 £43,018 £53,125
25th Percentile £61,250 £63,218 £60,000
Median annual salary (50th Percentile) £75,000 £80,000 £85,000
Median % change year-on-year -6.25% -5.88% +17.24%
75th Percentile £96,250 £116,250 £112,500
90th Percentile £105,000 £145,000 £125,000
England median annual salary £65,000 £55,000 £65,000
% change year-on-year +18.18% -15.38% -

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 5,856 9,783 13,471
As % of all permanent jobs advertised in London 45.12% 40.18% 44.64%
Number of salaries quoted 3,155 6,829 9,589
10th Percentile £41,250 £38,000 £43,411
25th Percentile £56,000 £51,250 £56,250
Median annual salary (50th Percentile) £78,750 £75,000 £75,000
Median % change year-on-year +5.00% - -
75th Percentile £110,000 £100,000 £100,000
90th Percentile £136,250 £135,000 £126,250
England median annual salary £60,000 £55,000 £65,000
% change year-on-year +9.09% -15.38% +4.00%

Legacy Systems
Job Vacancy Trend in London

Job postings citing Legacy Systems as a proportion of all IT jobs advertised in London.

Job vacancy trend for Legacy Systems in London

Legacy Systems
Salary Trend in London

3-month moving average salary quoted in jobs citing Legacy Systems in London.

Salary trend for Legacy Systems in London

Legacy Systems
Salary Histogram in London

Salary distribution for jobs citing Legacy Systems in London over the 6 months to 2 July 2025.

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 2 July 2025. 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 +36 19 £75,000 -6.25% 97
West London - 5 £62,500 - 16
East London -19 4 £95,000 -20.83% 2
South London -11 1 - - 3
Legacy Systems
England

Legacy Systems
Co-occurring Skills and Capabilities in London by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same employment type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 6 (5.71%) Apache
1 6 (5.71%) Apache Airflow
1 6 (5.71%) Apache Spark
2 3 (2.86%) Apache Synapse
3 2 (1.90%) SharePoint
4 1 (0.95%) CICS
4 1 (0.95%) Microsoft Exchange
4 1 (0.95%) Oracle SOA Suite
Applications
1 6 (5.71%) Microsoft Office
2 2 (1.90%) Microsoft Excel
2 2 (1.90%) Microsoft PowerPoint
Business Applications
1 3 (2.86%) Shopify
2 2 (1.90%) SAP S/4HANA
3 1 (0.95%) Endur
3 1 (0.95%) NetSuite
3 1 (0.95%) SAP MDG
Cloud Services
1 50 (47.62%) Azure
2 36 (34.29%) AWS
3 18 (17.14%) GCP
4 16 (15.24%) SaaS
5 15 (14.29%) Power Platform
6 11 (10.48%) Azure DevOps
7 8 (7.62%) Dynamics 365
8 7 (6.67%) Serverless
9 6 (5.71%) Amazon EC2
9 6 (5.71%) Azure Functions
9 6 (5.71%) GitHub
9 6 (5.71%) GitHub Actions
9 6 (5.71%) PaaS
9 6 (5.71%) Snowflake
10 5 (4.76%) Amazon ElastiCache
10 5 (4.76%) Amazon S3
10 5 (4.76%) Azure AI
10 5 (4.76%) Azure Data Factory
10 5 (4.76%) CloudFront
10 5 (4.76%) Route 53
Communications & Networking
1 2 (1.90%) Firewall
2 1 (0.95%) DHCP
2 1 (0.95%) DNS
2 1 (0.95%) Fibre Channel
2 1 (0.95%) Intranet
2 1 (0.95%) iSCSI
2 1 (0.95%) LAN
2 1 (0.95%) Network Security
2 1 (0.95%) SAN
2 1 (0.95%) TCP/IP
2 1 (0.95%) WAN
2 1 (0.95%) Wi-Fi
Database & Business Intelligence
1 15 (14.29%) NoSQL
2 10 (9.52%) SQL Server
3 6 (5.71%) Power BI
4 5 (4.76%) DocumentDB
4 5 (4.76%) PostgreSQL
4 5 (4.76%) Redis
5 4 (3.81%) Amazon Redshift
5 4 (3.81%) Big Data
5 4 (3.81%) BigQuery
6 3 (2.86%) Data Mining
6 3 (2.86%) Data Warehouse
6 3 (2.86%) DB2
6 3 (2.86%) MySQL
6 3 (2.86%) Tableau
7 2 (1.90%) Airbyte
7 2 (1.90%) Delta Lake
7 2 (1.90%) Hadoop
7 2 (1.90%) MongoDB
7 2 (1.90%) Relational Database
7 2 (1.90%) SQL Server Integration Services
Development Applications
1 10 (9.52%) Git
1 10 (9.52%) Jenkins
2 4 (3.81%) Gradle
2 4 (3.81%) JIRA
3 3 (2.86%) GitLab
3 3 (2.86%) JMeter
4 2 (1.90%) Artifactory
4 2 (1.90%) Gatling
4 2 (1.90%) Maven
4 2 (1.90%) Octopus Deploy
4 2 (1.90%) Postman
4 2 (1.90%) REST Assured
4 2 (1.90%) SoapUI
4 2 (1.90%) SonarQube
4 2 (1.90%) TestRail
5 1 (0.95%) JUnit
5 1 (0.95%) Mockito
5 1 (0.95%) PHPUnit
General
1 36 (34.29%) Social Skills
2 34 (32.38%) Finance
3 28 (26.67%) Analytical Skills
4 21 (20.00%) Banking
5 11 (10.48%) Inclusion and Diversity
6 10 (9.52%) Public Sector
7 9 (8.57%) Marketing
8 8 (7.62%) Front Office
8 8 (7.62%) Presentation Skills
9 7 (6.67%) Retail
10 6 (5.71%) Games
10 6 (5.71%) Investment Banking
11 5 (4.76%) Documentation Skills
11 5 (4.76%) Retail Banking
12 3 (2.86%) Local Government
12 3 (2.86%) Wholesale Banking
13 2 (1.90%) Back Office
13 2 (1.90%) Law
14 1 (0.95%) Legal
Job Titles
1 35 (33.33%) Developer
2 21 (20.00%) Senior
3 16 (15.24%) Architect
4 15 (14.29%) Lead
5 11 (10.48%) Senior Developer
6 10 (9.52%) Lead Developer
6 10 (9.52%) Solutions Architect
7 7 (6.67%) PHP Developer
8 6 (5.71%) .NET Developer
8 6 (5.71%) CRM Manager
8 6 (5.71%) Data Engineer
8 6 (5.71%) Java Developer
9 5 (4.76%) Programme Manager
9 5 (4.76%) SaaS Developer
9 5 (4.76%) Senior .NET Developer
9 5 (4.76%) Software Developer
10 4 (3.81%) Full-Stack Developer
10 4 (3.81%) Lead PHP Developer
10 4 (3.81%) Platform Manager
10 4 (3.81%) Senior Software Developer
Libraries, Frameworks & Software Standards
1 13 (12.38%) Kafka
2 11 (10.48%) RESTful
3 9 (8.57%) Laravel
4 7 (6.67%) .NET
4 7 (6.67%) Spring
5 6 (5.71%) RabbitMQ
5 6 (5.71%) REST
6 5 (4.76%) GraphQL
6 5 (4.76%) React
6 5 (4.76%) Vue
7 4 (3.81%) Alpine.js
7 4 (3.81%) Apache Beam
7 4 (3.81%) Symfony
7 4 (3.81%) Tailwind CSS
7 4 (3.81%) XML
8 3 (2.86%) Hibernate
8 3 (2.86%) HTML
8 3 (2.86%) Spring Boot
9 2 (1.90%) Elastic Stack
9 2 (1.90%) PySpark
Miscellaneous
1 19 (18.10%) Cloud Native
2 9 (8.57%) Management Information System
3 6 (5.71%) Mobile Games
4 5 (4.76%) Data Protection Act
4 5 (4.76%) Distributed Applications
5 4 (3.81%) Analytical Mindset
5 4 (3.81%) e-Learning
5 4 (3.81%) Mainframe
5 4 (3.81%) Mobile App
5 4 (3.81%) Onboarding
6 3 (2.86%) Distributed Architecture
6 3 (2.86%) Low-Code
7 2 (1.90%) Data Structures
7 2 (1.90%) Distributed Systems
7 2 (1.90%) Enterprise Software
7 2 (1.90%) Greenfield Project
7 2 (1.90%) Hybrid Cloud
7 2 (1.90%) Marketing Technology
7 2 (1.90%) Reinsurance
7 2 (1.90%) Self-Motivation
Operating Systems
1 5 (4.76%) Linux
2 4 (3.81%) Windows
3 3 (2.86%) zOS
4 2 (1.90%) Android
4 2 (1.90%) Apple iOS
5 1 (0.95%) Red Hat Enterprise Linux
5 1 (0.95%) Windows Server
Processes & Methodologies
1 40 (38.10%) Agile
1 40 (38.10%) Migration
2 36 (34.29%) Problem-Solving
3 29 (27.62%) DevOps
4 28 (26.67%) CI/CD
5 21 (20.00%) Microservices
6 16 (15.24%) SDLC
7 15 (14.29%) Event-Driven
7 15 (14.29%) Software Engineering
8 14 (13.33%) Data Migration
9 13 (12.38%) Data Pipeline
9 13 (12.38%) Full-Stack Development
9 13 (12.38%) Stakeholder Management
10 12 (11.43%) Data Modelling
11 11 (10.48%) Data Protection
11 11 (10.48%) ETL
11 11 (10.48%) Stakeholder Engagement
11 11 (10.48%) TDD
12 10 (9.52%) Computer Science
12 10 (9.52%) CRM
Programming Languages
1 28 (26.67%) SQL
2 16 (15.24%) Java
3 14 (13.33%) PHP
4 12 (11.43%) Python
5 9 (8.57%) C#
6 4 (3.81%) COBOL
6 4 (3.81%) JavaScript
7 3 (2.86%) JCL
7 3 (2.86%) VBA
8 2 (1.90%) Bicep
8 2 (1.90%) Kotlin
8 2 (1.90%) Objective-C
8 2 (1.90%) PL/SQL
8 2 (1.90%) PowerShell
8 2 (1.90%) Shell Script
8 2 (1.90%) Swift
9 1 (0.95%) ABAP
9 1 (0.95%) Scala
9 1 (0.95%) T-SQL
9 1 (0.95%) VBScript
Qualifications
1 19 (18.10%) Degree
2 10 (9.52%) Computer Science Degree
3 6 (5.71%) Azure Certification
4 3 (2.86%) AWS Certification
4 3 (2.86%) Security Cleared
5 2 (1.90%) AWS Certified Solutions Architect
5 2 (1.90%) BPSS Clearance
5 2 (1.90%) ISTQB
5 2 (1.90%) ISTQB Foundation Certification
5 2 (1.90%) SC Cleared
6 1 (0.95%) ACCA
6 1 (0.95%) CCSP
6 1 (0.95%) CISA
6 1 (0.95%) Cisco Certification
6 1 (0.95%) MCITP
6 1 (0.95%) MCSA
6 1 (0.95%) Microsoft Certification
6 1 (0.95%) PMI Certification
6 1 (0.95%) PMP
6 1 (0.95%) SAP Certification
Quality Assurance & Compliance
1 9 (8.57%) QA
2 3 (2.86%) Data Quality
2 3 (2.86%) GDPR
2 3 (2.86%) SLA
3 1 (0.95%) ISO 15022
3 1 (0.95%) ISO 20022
3 1 (0.95%) NIST
System Software
1 13 (12.38%) Docker
2 2 (1.90%) Active Directory
2 2 (1.90%) VMware Infrastructure
3 1 (0.95%) Hyper-V
3 1 (0.95%) Virtual Desktop
3 1 (0.95%) VMware ESXi
Systems Management
1 12 (11.43%) Kubernetes
2 9 (8.57%) Terraform
3 3 (2.86%) Avamar
3 3 (2.86%) NetBackup
3 3 (2.86%) Prometheus
3 3 (2.86%) Tivoli Storage Manager
4 2 (1.90%) Ansible
4 2 (1.90%) Argo
4 2 (1.90%) Microsoft Intune
5 1 (0.95%) Backup Exec
5 1 (0.95%) Grafana
5 1 (0.95%) Kibana
Vendors
1 20 (19.05%) Microsoft
2 7 (6.67%) Google
3 6 (5.71%) Databricks
4 5 (4.76%) Oracle
4 5 (4.76%) Salesforce
5 4 (3.81%) New Relic
5 4 (3.81%) VMware
6 3 (2.86%) Alteryx
6 3 (2.86%) Anaplan
6 3 (2.86%) IBM
7 2 (1.90%) Cisco
7 2 (1.90%) Facebook
7 2 (1.90%) SAP
7 2 (1.90%) Siebel
7 2 (1.90%) Veeam
7 2 (1.90%) YouTube
8 1 (0.95%) Datto
8 1 (0.95%) Dynatrace
8 1 (0.95%) Workday
8 1 (0.95%) Xero