Period
to 25 October 2021

The table below looks at the prevalence of the term Legacy Systems in contract job vacancies advertised in the City of London. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Legacy Systems over the 6 months to 25 October 2021 with a comparison to the same period over the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Legacy System
Central London > City of London
6 months to
25 Oct 2021
Same period 2020 Same period 2019
Rank 126 97 192
Rank change year-on-year -29 +95 +26
Contract jobs citing Legacy Systems 51 21 40
As % of all contract jobs advertised in the City of London 1.31% 1.17% 0.67%
As % of the Miscellaneous category 3.45% 3.29% 2.23%
Number of daily rates quoted 41 18 34
10th Percentile £500 £456 £363
25th Percentile £531 £528 £433
Median daily rate (50th Percentile) £620 £638 £525
Median % change year-on-year -2.75% +21.43% +10.53%
75th Percentile £800 £800 £599
90th Percentile " " £634
Central London median daily rate £600 £625 £525
% change year-on-year -4.00% +19.05% +6.87%

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

All Generic IT Skills
City of London
Contract vacancies with a requirement for generic IT skills 1,479 639 1,790
As % of all contract IT jobs advertised in the City of London 37.96% 35.62% 30.12%
Number of daily rates quoted 1,104 444 1,386
10th Percentile £381 £308 £313
25th Percentile £489 £413 £425
Median daily rate (50th Percentile) £600 £525 £525
Median % change year-on-year +14.24% - -
75th Percentile £688 £626 £625
90th Percentile £776 £725 £700
Central London median daily rate £600 £525 £525
% change year-on-year +14.29% - -
Number of hourly rates quoted 24 23 31
10th Percentile £9.50 £15.50 £11.75
25th Percentile £20.94 £22.75 £13.01
Median hourly rate £34.75 £36.00 £20.50
Median % change year-on-year -3.47% +75.61% +6.49%
75th Percentile £42.81 £46.00 £30.32
90th Percentile £61.75 £47.75 £49.13
Central London median hourly rate £35.00 £35.50 £21.00
% change year-on-year -1.41% +69.05% +7.69%

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
Contractor Daily Rate Trend in the City of London

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

Daily rate trend for Legacy Systems in the City of London

Legacy Systems
Daily Rate Histogram in the City of London

Daily rate distribution for jobs citing Legacy Systems in the City of London over the 6 months to 25 October 2021.

Daily rate histogram for Legacy Systems in the City of London

Legacy Systems
Contractor Hourly Rate Trend in the City of London

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

Hourly rate trend for Legacy Systems in the City of London

For the 6 months to 25 October 2021, IT contractor 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 contract job ads across the City of London region with a requirement for Legacy Systems.

1 21 (41.18%) Java
2 19 (37.25%) AWS
3 16 (31.37%) Migration
3 16 (31.37%) Microservices
4 15 (29.41%) Agile Software Development
5 14 (27.45%) Banking
6 13 (25.49%) Finance
7 12 (23.53%) Fixed Income
8 11 (21.57%) Front Office
8 11 (21.57%) Foreign Exchange (FX)
8 11 (21.57%) Electronic Trading
8 11 (21.57%) Spreadsheet
8 11 (21.57%) Fintech
9 8 (15.69%) SQL
9 8 (15.69%) Oracle
9 8 (15.69%) Kafka
10 7 (13.73%) Relational Database
10 7 (13.73%) DevOps
10 7 (13.73%) RDBMS
10 7 (13.73%) Python
11 6 (11.76%) Data Migration
11 6 (11.76%) Azure
11 6 (11.76%) TDD
11 6 (11.76%) Data Engineering
11 6 (11.76%) Spring Boot
12 5 (9.80%) Kubernetes
12 5 (9.80%) Terraform
12 5 (9.80%) Supply Chain Transformation
12 5 (9.80%) Architectural Design
12 5 (9.80%) BDD

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 (3.92%) Elasticsearch
2 1 (1.96%) Apache
2 1 (1.96%) Apache Spark
2 1 (1.96%) Confluence
2 1 (1.96%) SAS
Applications
1 11 (21.57%) Spreadsheet
2 1 (1.96%) Microsoft Excel
Business Applications
1 2 (3.92%) SAP S/4HANA
2 1 (1.96%) SAP ERP
2 1 (1.96%) SAP HCM
Cloud Services
1 19 (37.25%) AWS
2 6 (11.76%) Azure
3 4 (7.84%) Amazon ECS
4 3 (5.88%) Amazon EC2
4 3 (5.88%) SaaS
5 2 (3.92%) Amazon CloudWatch
5 2 (3.92%) Amazon EKS
5 2 (3.92%) Amazon EMR
5 2 (3.92%) Amazon S3
5 2 (3.92%) Amazon SQS
5 2 (3.92%) AWS CloudFormation
5 2 (3.92%) AWS Lambda
5 2 (3.92%) PaaS
5 2 (3.92%) Route 53
5 2 (3.92%) Serverless
6 1 (1.96%) Azure Cosmos DB
6 1 (1.96%) Datadog
6 1 (1.96%) GCP
6 1 (1.96%) Power Platform
6 1 (1.96%) Slack
Communications & Networking
1 2 (3.92%) SNMP
Database & Business Intelligence
1 7 (13.73%) RDBMS
1 7 (13.73%) Relational Database
2 5 (9.80%) PostgreSQL
3 3 (5.88%) MongoDB
3 3 (5.88%) MySQL
4 2 (3.92%) Big Data
4 2 (3.92%) Data Warehouse
4 2 (3.92%) Hadoop
4 2 (3.92%) NoSQL
5 1 (1.96%) BusinessObjects
5 1 (1.96%) Data Mining
5 1 (1.96%) Metadata
5 1 (1.96%) Metadata Repository
5 1 (1.96%) Power BI
5 1 (1.96%) Tableau
Development Applications
1 4 (7.84%) Jenkins
2 2 (3.92%) GitLab
3 1 (1.96%) Eclipse
3 1 (1.96%) Git (software)
3 1 (1.96%) Hudson
3 1 (1.96%) JIRA
3 1 (1.96%) LSMW
General
1 14 (27.45%) Banking
2 13 (25.49%) Finance
3 11 (21.57%) Front Office
4 4 (7.84%) Social Skills
5 3 (5.88%) Law
6 2 (3.92%) Influencing Skills
7 1 (1.96%) Analytical Skills
7 1 (1.96%) Investment Banking
7 1 (1.96%) Legal
7 1 (1.96%) Local Government
7 1 (1.96%) Organisational Skills
7 1 (1.96%) Public Sector
Job Titles
1 13 (25.49%) Developer
2 12 (23.53%) Consultant
3 11 (21.57%) Electronic Trading Consultant
3 11 (21.57%) Java Consultant
3 11 (21.57%) Pricing Consultant
4 10 (19.61%) Architect
5 8 (15.69%) Java Developer
6 6 (11.76%) Python Developer
6 6 (11.76%) Solutions Architect
7 5 (9.80%) Python Engineer
8 4 (7.84%) Analyst
8 4 (7.84%) Java Engineer
9 3 (5.88%) Data Analyst
9 3 (5.88%) DevOps Engineer
9 3 (5.88%) Programme Manager
10 2 (3.92%) AWS Developer
10 2 (3.92%) Data Architect
10 2 (3.92%) Data Integration Analyst
10 2 (3.92%) DevOps Manager
10 2 (3.92%) Senior Manager
Libraries, Frameworks & Software Standards
1 8 (15.69%) Kafka
2 6 (11.76%) Spring Boot
3 5 (9.80%) .NET
4 2 (3.92%) gRPC
4 2 (3.92%) HTML
4 2 (3.92%) HTML5
4 2 (3.92%) React
4 2 (3.92%) Redux
4 2 (3.92%) REST
4 2 (3.92%) RESTful
4 2 (3.92%) Spring
4 2 (3.92%) WCF
4 2 (3.92%) WPF
5 1 (1.96%) .NET Core
5 1 (1.96%) .NET Framework
5 1 (1.96%) D3.js
5 1 (1.96%) Web Services
Miscellaneous
1 12 (23.53%) Fixed Income
2 11 (21.57%) Foreign Exchange (FX)
3 3 (5.88%) Legacy Applications
4 2 (3.92%) Clustering
4 2 (3.92%) Data Structures
4 2 (3.92%) Enterprise Software
4 2 (3.92%) Management Information System
4 2 (3.92%) User Experience
5 1 (1.96%) CMDB
5 1 (1.96%) Equities
5 1 (1.96%) Greenfield Project
5 1 (1.96%) Market Risk
Operating Systems
1 4 (7.84%) Linux
2 1 (1.96%) Red Hat Enterprise Linux
Processes & Methodologies
1 16 (31.37%) Microservices
1 16 (31.37%) Migration
2 15 (29.41%) Agile Software Development
3 11 (21.57%) Electronic Trading
3 11 (21.57%) Fintech
4 7 (13.73%) DevOps
5 6 (11.76%) Data Engineering
5 6 (11.76%) Data Migration
5 6 (11.76%) TDD
6 5 (9.80%) Architectural Design
6 5 (9.80%) BDD
6 5 (9.80%) Supply Chain Transformation
7 4 (7.84%) Continuous Integration
7 4 (7.84%) Data Mapping
7 4 (7.84%) Multithreading
7 4 (7.84%) OO
7 4 (7.84%) Risk Management
7 4 (7.84%) Stakeholder Management
8 3 (5.88%) Data Integration
8 3 (5.88%) Mentoring
Programming Languages
1 21 (41.18%) Java
2 8 (15.69%) SQL
3 7 (13.73%) Python
4 5 (9.80%) C
5 4 (7.84%) C#
6 2 (3.92%) C++
6 2 (3.92%) JavaScript
7 1 (1.96%) Bash Shell
7 1 (1.96%) Java 8
Qualifications
1 3 (5.88%) Degree
2 1 (1.96%) Computer Science Degree
2 1 (1.96%) SC Cleared
2 1 (1.96%) Security Cleared
Quality Assurance & Compliance
1 1 (1.96%) Data Quality
System Software
1 2 (3.92%) Docker
Systems Management
1 5 (9.80%) Kubernetes
1 5 (9.80%) Terraform
2 2 (3.92%) Ansible
2 2 (3.92%) Nagios
2 2 (3.92%) Puppet
Vendors
1 8 (15.69%) Oracle
2 2 (3.92%) SAP
3 1 (1.96%) Guidewire
3 1 (1.96%) IFS
3 1 (1.96%) Microsoft
3 1 (1.96%) ServiceNow
3 1 (1.96%) Sybase