Legacy Systems Job Trends in Croydon

Legacy System
South London > Croydon

The table below looks at the prevalence of the term Legacy Systems in permanent job vacancies in Croydon. Included is a benchmarking guide to the salaries offered in vacancies that cited Legacy Systems over the 6 months leading up to 20 November 2025, comparing them to the same period in the previous two years.

6 months to
20 Nov 2025
Same period 2024 Same period 2023
Rank 25 41 27
Rank change year-on-year +16 -14 +14
Permanent jobs citing Legacy Systems 2 1 6
As % of all permanent jobs in Croydon 2.11% 0.76% 3.97%
As % of the Miscellaneous category 3.23% 1.03% 11.32%
Number of salaries quoted 1 0 6
10th Percentile - - -
25th Percentile £52,400 - £66,250
Median annual salary (50th Percentile) £55,200 - £72,500
Median % change year-on-year - - +38.10%
75th Percentile £58,000 - £78,750
90th Percentile - - -
South London median annual salary £55,200 £125,000 £72,500
% change year-on-year -55.84% +72.41% +38.10%

All Generic Skills
Croydon

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 Croydon.

Permanent vacancies with a requirement for generic IT skills 62 97 53
As % of all permanent jobs advertised in Croydon 65.26% 73.48% 35.10%
Number of salaries quoted 14 14 33
10th Percentile - £32,000 £47,725
25th Percentile £34,250 £53,317 £52,500
Median annual salary (50th Percentile) £37,500 £61,644 £62,500
Median % change year-on-year -39.17% -1.37% +16.28%
75th Percentile £45,000 £67,881 £77,500
90th Percentile £57,100 £69,625 £83,750
South London median annual salary £42,500 £55,000 £55,000
% change year-on-year -22.73% - +8.91%

Legacy Systems
Job Vacancy Trend in Croydon

Historical trend showing the proportion of permanent IT job postings citing Legacy Systems relative to all permanent IT jobs advertised in Croydon.

Legacy Systems job vacancy trend in Croydon

Legacy Systems
Salary Trend in Croydon

Salary distribution trend for jobs in Croydon citing Legacy Systems.

Salary distribution trend for jobs in Croydon citing Legacy Systems

Legacy Systems
Co-Occurring Skills & Capabilities in Croydon 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:

Cloud Services
1 2 (100.00%) AWS
2 1 (50.00%) Amazon CloudWatch
2 1 (50.00%) Amazon EC2
2 1 (50.00%) Amazon ECS
2 1 (50.00%) Amazon EKS
2 1 (50.00%) GitHub
2 1 (50.00%) OpenShift
2 1 (50.00%) Serverless
Database & Business Intelligence
1 2 (100.00%) PostgreSQL
2 1 (50.00%) RDBMS
2 1 (50.00%) Relational Database
2 1 (50.00%) SQL Server
Development Applications
1 2 (100.00%) Jenkins
1 2 (100.00%) JUnit
2 1 (50.00%) Cucumber
2 1 (50.00%) Git
2 1 (50.00%) GitLab
2 1 (50.00%) JMeter
2 1 (50.00%) Mockito
2 1 (50.00%) Selenium
General
1 1 (50.00%) Public Sector
1 1 (50.00%) Social Skills
Job Titles
1 2 (100.00%) Developer
1 2 (100.00%) Senior
1 2 (100.00%) Senior Developer
2 1 (50.00%) Full-Stack Developer
2 1 (50.00%) Full-Stack Java Developer
2 1 (50.00%) Java Developer
2 1 (50.00%) Senior Full-Stack Developer
2 1 (50.00%) Senior Java Developer
2 1 (50.00%) Senior Software Developer
2 1 (50.00%) Software Developer
Libraries, Frameworks & Software Standards
1 2 (100.00%) Spring
1 2 (100.00%) Spring Boot
2 1 (50.00%) ActiveMQ
2 1 (50.00%) Apache Camel
2 1 (50.00%) Django
2 1 (50.00%) Elastic Stack
2 1 (50.00%) Flask
2 1 (50.00%) Hibernate
2 1 (50.00%) HTML
2 1 (50.00%) jQuery
2 1 (50.00%) JSON
2 1 (50.00%) pytest
2 1 (50.00%) REST
2 1 (50.00%) Web Services
2 1 (50.00%) WireMock
2 1 (50.00%) XML
Miscellaneous
1 1 (50.00%) Cloud Native
1 1 (50.00%) Distributed Systems
Processes & Methodologies
1 2 (100.00%) BDD
1 2 (100.00%) CI/CD
1 2 (100.00%) Microservices
1 2 (100.00%) TDD
2 1 (50.00%) API Development
2 1 (50.00%) API Integration
2 1 (50.00%) Architectural Patterns
2 1 (50.00%) Biometrics
2 1 (50.00%) Containerisation
2 1 (50.00%) DevOps
2 1 (50.00%) Event-Driven
2 1 (50.00%) Full-Stack Development
2 1 (50.00%) Mentoring
2 1 (50.00%) Problem-Solving
2 1 (50.00%) SDLC
2 1 (50.00%) Secure Coding
2 1 (50.00%) Software Engineering
2 1 (50.00%) Stakeholder Engagement
2 1 (50.00%) Technical Leadership
2 1 (50.00%) Test Automation
Programming Languages
1 2 (100.00%) Java
1 2 (100.00%) Python
2 1 (50.00%) Delphi
2 1 (50.00%) JavaScript
2 1 (50.00%) Shell Script
System Software
1 2 (100.00%) Docker
Systems Management
1 2 (100.00%) Kubernetes
2 1 (50.00%) Grafana
2 1 (50.00%) Kibana
Vendors
1 1 (50.00%) Dynatrace
1 1 (50.00%) Oracle
1 1 (50.00%) Splunk