Period
to 21 September 2021

The table below looks at the prevalence of the term Legacy Systems in permanent job vacancies advertised in the City of London. Included is a benchmarking guide to the salaries offered in vacancies that have cited Legacy Systems over the 6 months to 21 September 2021 with a comparison to the same period over the previous 2 years.

Legacy System
Central London > City of London
6 months to
21 Sep 2021
Same period 2020 Same period 2019
Rank 205 151 262
Rank change year-on-year -54 +111 +2
Permanent jobs citing Legacy Systems 46 46 62
As % of all permanent jobs advertised in the City of London 0.78% 1.19% 0.62%
As % of the Miscellaneous category 2.08% 3.03% 1.68%
Number of salaries quoted 45 46 52
10th Percentile £72,500 £56,250 £42,750
25th Percentile £73,500 £62,500 £63,349
Median annual salary (50th Percentile) £105,000 £73,750 £72,500
Median % change year-on-year +42.37% +1.72% +3.57%
75th Percentile £117,500 £98,125 £87,500
90th Percentile £120,000 £153,750 £91,125
Central London median annual salary £100,000 £75,000 £71,250
% change year-on-year +33.33% +5.26% +1.79%

Legacy Systems is in the Generic IT Skills category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in the City of London with a requirement for generic IT skills.

All Generic IT Skills
City of London
Permanent vacancies with a requirement for generic IT skills 2,216 1,519 3,694
As % of all permanent IT jobs advertised in the City of London 37.50% 39.35% 36.83%
Number of salaries quoted 1,962 1,308 3,212
10th Percentile £42,500 £42,500 £37,500
25th Percentile £56,250 £53,750 £51,250
Median annual salary (50th Percentile) £75,000 £72,500 £67,500
Median % change year-on-year +3.45% +7.41% +3.85%
75th Percentile £95,000 £88,750 £85,000
90th Percentile £110,000 £110,000 £102,500
Central London median annual salary £72,500 £70,000 £67,500
% change year-on-year +3.57% +3.70% +3.85%

Legacy Systems
Job Vacancy Trend in the City of London

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

Job vacancy trend for Legacy Systems in the City of London

Legacy Systems
Salary Trend in the City of London

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

Salary trend for Legacy Systems in the City of London

Legacy Systems
Salary Histogram in the City of London

Salary distribution for jobs citing Legacy Systems in the City of London over the 6 months to 21 September 2021.

Salary histogram for Legacy Systems in the City of London

For the 6 months to 21 September 2021, IT jobs citing Legacy Systems also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent job ads across the City of London region with a requirement for Legacy Systems.

1 34 (73.91%) Agile Software Development
2 30 (65.22%) Banking
3 23 (50.00%) Java
4 20 (43.48%) SQL
5 18 (39.13%) OO
5 18 (39.13%) Azure
6 17 (36.96%) Finance
6 17 (36.96%) Front Office
7 16 (34.78%) Foreign Exchange (FX)
7 16 (34.78%) Fixed Income
7 16 (34.78%) Electronic Trading
7 16 (34.78%) Spreadsheet
7 16 (34.78%) Fintech
8 15 (32.61%) SOLID
8 15 (32.61%) DevOps
8 15 (32.61%) C#
9 14 (30.43%) .NET
10 12 (26.09%) Power Platform
11 11 (23.91%) Docker
11 11 (23.91%) Microservices
11 11 (23.91%) Kubernetes
11 11 (23.91%) Event-Driven
11 11 (23.91%) Software Engineering
12 10 (21.74%) Scrum
12 10 (21.74%) Social Skills
13 9 (19.57%) Product Backlog
13 9 (19.57%) Power BI
13 9 (19.57%) SDLC
13 9 (19.57%) Migration
13 9 (19.57%) Equities

Legacy Systems
Co-occurring IT Skills in the City of London by Category

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

Application Platforms
1 2 (4.35%) SharePoint
2 1 (2.17%) Adobe Experience Manager
2 1 (2.17%) CMS
Applications
1 16 (34.78%) Spreadsheet
2 1 (2.17%) Microsoft Excel
2 1 (2.17%) Microsoft PowerPoint
Business Applications
1 3 (6.52%) Dynamics CRM
2 1 (2.17%) HFM
2 1 (2.17%) Hyperion Planning
2 1 (2.17%) SAP BPC
Cloud Services
1 18 (39.13%) Azure
2 12 (26.09%) Power Platform
3 8 (17.39%) Serverless
4 7 (15.22%) Azure App Service
4 7 (15.22%) Azure Event Grid
4 7 (15.22%) Azure Functions
4 7 (15.22%) Azure Service Bus
4 7 (15.22%) Azure Service Fabric
4 7 (15.22%) NuGet
5 5 (10.87%) AWS
6 4 (8.70%) Amazon ECS
6 4 (8.70%) Amazon ElastiCache
6 4 (8.70%) AWS CloudFormation
7 3 (6.52%) Amazon Kinesis
7 3 (6.52%) Dynamics 365
7 3 (6.52%) PaaS
7 3 (6.52%) PowerApps
7 3 (6.52%) SaaS
8 1 (2.17%) AWS Lambda
8 1 (2.17%) GitHub
Database & Business Intelligence
1 9 (19.57%) Power BI
2 7 (15.22%) Azure SQL Database
2 7 (15.22%) NoSQL
3 5 (10.87%) Data Warehouse
4 4 (8.70%) Tableau
5 3 (6.52%) PostgreSQL
5 3 (6.52%) RDBMS
5 3 (6.52%) Relational Database
5 3 (6.52%) SQL Server Integration Services
5 3 (6.52%) SQL Server Reporting Services
6 1 (2.17%) Amazon DynamoDB
6 1 (2.17%) Amazon RDS
6 1 (2.17%) DB2
6 1 (2.17%) MemSQL
Development Applications
1 8 (17.39%) Git (software)
1 8 (17.39%) JIRA
2 4 (8.70%) Jenkins
3 3 (6.52%) Visual Studio
General
1 30 (65.22%) Banking
2 17 (36.96%) Finance
2 17 (36.96%) Front Office
3 10 (21.74%) Social Skills
4 9 (19.57%) Investment Banking
5 4 (8.70%) Back Office
6 2 (4.35%) Analytical Skills
6 2 (4.35%) Private Banking
7 1 (2.17%) Public Sector
Job Titles
1 28 (60.87%) Developer
2 21 (45.65%) Java Developer
3 16 (34.78%) Electronic Trading Developer
3 16 (34.78%) Electronic Trading Java Developer
3 16 (34.78%) Java Developer - Fintech
3 16 (34.78%) Java Pricing Developer
3 16 (34.78%) Pricing Developer
4 7 (15.22%) C# Software Engineer
4 7 (15.22%) Server Engineer
4 7 (15.22%) Serverless Engineer
4 7 (15.22%) Software Engineer
5 5 (10.87%) Senior Developer
6 4 (8.70%) AWS Developer
6 4 (8.70%) C# Developer
6 4 (8.70%) Principal Developer
6 4 (8.70%) React Developer
6 4 (8.70%) Senior C# Developer
6 4 (8.70%) Senior React Developer
6 4 (8.70%) Senior SQL Developer
6 4 (8.70%) SQL Developer
Libraries, Frameworks & Software Standards
1 14 (30.43%) .NET
2 8 (17.39%) React
3 7 (15.22%) .NET Core
3 7 (15.22%) ASP.NET
3 7 (15.22%) HTML
3 7 (15.22%) Web Services
4 4 (8.70%) .NET Framework
4 4 (8.70%) HTML5
4 4 (8.70%) JSON
4 4 (8.70%) Redux
4 4 (8.70%) REST
4 4 (8.70%) Spring
4 4 (8.70%) Spring Boot
5 3 (6.52%) CSS
5 3 (6.52%) Kafka
5 3 (6.52%) Lambda Expressions
5 3 (6.52%) WCF
5 3 (6.52%) XML
5 3 (6.52%) XSD
6 1 (2.17%) Ruby on Rails
Miscellaneous
1 16 (34.78%) Fixed Income
1 16 (34.78%) Foreign Exchange (FX)
2 9 (19.57%) Equities
3 8 (17.39%) Reference Data
4 5 (10.87%) Data Structures
4 5 (10.87%) Enterprise Software
5 4 (8.70%) Clustering
6 1 (2.17%) Algorithms
6 1 (2.17%) Analytical Mindset
6 1 (2.17%) Cyberthreat
6 1 (2.17%) Legacy Applications
6 1 (2.17%) Legacy Code
6 1 (2.17%) Management Information System
6 1 (2.17%) User Experience
Processes & Methodologies
1 34 (73.91%) Agile Software Development
2 18 (39.13%) OO
3 16 (34.78%) Electronic Trading
3 16 (34.78%) Fintech
4 15 (32.61%) DevOps
4 15 (32.61%) SOLID
5 11 (23.91%) Event-Driven
5 11 (23.91%) Microservices
5 11 (23.91%) Software Engineering
6 10 (21.74%) Scrum
7 9 (19.57%) Business Intelligence
7 9 (19.57%) Migration
7 9 (19.57%) Product Backlog
7 9 (19.57%) SDLC
8 8 (17.39%) Data Migration
8 8 (17.39%) MVC
8 8 (17.39%) Risk Management
8 8 (17.39%) TDD
8 8 (17.39%) Visualisation
8 8 (17.39%) Workflow
Programming Languages
1 23 (50.00%) Java
2 20 (43.48%) SQL
3 15 (32.61%) C#
4 7 (15.22%) JavaScript
5 5 (10.87%) VBA
6 1 (2.17%) PHP
6 1 (2.17%) Python
6 1 (2.17%) Ruby
Qualifications
1 3 (6.52%) Degree
2 1 (2.17%) ACCA
2 1 (2.17%) CIMA
Quality Assurance & Compliance
1 1 (2.17%) PMO
System Software
1 11 (23.91%) Docker
Systems Management
1 11 (23.91%) Kubernetes
Vendors
1 8 (17.39%) Fidessa
2 4 (8.70%) Bloomberg
2 4 (8.70%) Concur
2 4 (8.70%) Microsoft
2 4 (8.70%) Sage
2 4 (8.70%) Sun
3 1 (2.17%) Adobe
3 1 (2.17%) Anaplan
3 1 (2.17%) Hyperion
3 1 (2.17%) Informatica
3 1 (2.17%) Oracle
3 1 (2.17%) SAP
3 1 (2.17%) Sybase
3 1 (2.17%) Tagetik