Period
to

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 23 May 2022 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
23 May 2022
Same period 2021 Same period 2020
Rank 160 123 134
Rank change year-on-year -37 +11 +58
Contract jobs citing Legacy Systems 29 27 25
As % of all contract jobs advertised in the City of London 0.70% 0.95% 0.79%
As % of the Miscellaneous category 2.09% 2.44% 2.47%
Number of daily rates quoted 21 13 21
10th Percentile £513 £313 £379
25th Percentile £550 £400 £450
Median daily rate (50th Percentile) £600 £425 £575
Median % change year-on-year +41.18% -26.09% +9.52%
75th Percentile £675 £619 £700
90th Percentile £701 £720 £850
Central London median daily rate £600 £425 £550
% change year-on-year +41.18% -22.73% +4.76%

Legacy Systems is in the General and Transferable 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 Skills
City of London
Contract vacancies with a requirement for generic IT skills 1,386 1,106 1,012
As % of all contract IT jobs advertised in the City of London 33.42% 38.90% 31.92%
Number of daily rates quoted 998 755 728
10th Percentile £413 £350 £305
25th Percentile £495 £450 £413
Median daily rate (50th Percentile) £575 £558 £523
Median % change year-on-year +3.14% +6.70% -0.48%
75th Percentile £700 £658 £625
90th Percentile £813 £738 £688
Central London median daily rate £575 £550 £500
% change year-on-year +4.55% +10.00% -4.76%
Number of hourly rates quoted 26 15 38
10th Percentile £18.50 £8.00 £12.42
25th Percentile £39.25 £9.75 £15.00
Median hourly rate £48.00 £17.98 £27.34
Median % change year-on-year +167.04% -34.25% +41.10%
75th Percentile £61.00 £35.13 £42.59
90th Percentile £64.13 £40.70 £52.48
Central London median hourly rate £48.00 £18.99 £29.88
% change year-on-year +152.80% -36.44% +53.21%

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 23 May 2022.

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 23 May 2022, 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 15 (51.72%) Agile
2 12 (41.38%) Azure
3 10 (34.48%) Migration
4 8 (27.59%) ETL
4 8 (27.59%) SQL
4 8 (27.59%) Finance
5 6 (20.69%) Python
5 6 (20.69%) AWS
5 6 (20.69%) Data Migration
5 6 (20.69%) DevOps
5 6 (20.69%) CI/CD
6 4 (13.79%) Microservices
6 4 (13.79%) GitLab
6 4 (13.79%) Data Engineering
6 4 (13.79%) Data Lake
6 4 (13.79%) TeamCity
6 4 (13.79%) Test Automation
6 4 (13.79%) Retail
6 4 (13.79%) Degree
6 4 (13.79%) Apache Hive
6 4 (13.79%) Big Data
6 4 (13.79%) Java
6 4 (13.79%) Data Modelling
6 4 (13.79%) Microsoft
6 4 (13.79%) Mainframe
7 3 (10.34%) Legal
7 3 (10.34%) Windows
7 3 (10.34%) Linux
7 3 (10.34%) Cybersecurity
7 3 (10.34%) Waterfall

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 (6.90%) Apache Pig
1 2 (6.90%) Apache Spark
1 2 (6.90%) Confluence
Business Applications
1 2 (6.90%) C-CURE
2 1 (3.45%) SAP S/4HANA
Cloud Services
1 12 (41.38%) Azure
2 6 (20.69%) AWS
3 3 (10.34%) Dynamics 365
3 3 (10.34%) Power Platform
4 2 (6.90%) Amazon EC2
4 2 (6.90%) Amazon S3
4 2 (6.90%) Azure Machine Learning
4 2 (6.90%) Azure Synapse Analytics
4 2 (6.90%) GCP
4 2 (6.90%) Microsoft 365
4 2 (6.90%) SaaS
4 2 (6.90%) Serverless
5 1 (3.45%) Google Workspace
Communications & Networking
1 1 (3.45%) Network Security
1 1 (3.45%) VPN
Database & Business Intelligence
1 4 (13.79%) Apache Hive
1 4 (13.79%) Big Data
1 4 (13.79%) Data Lake
2 2 (6.90%) Amazon Athena
2 2 (6.90%) Amazon Redshift
2 2 (6.90%) BigQuery
2 2 (6.90%) Bigtable
2 2 (6.90%) Data Warehouse
2 2 (6.90%) Hadoop
2 2 (6.90%) HBase
2 2 (6.90%) PostgreSQL
3 1 (3.45%) BusinessObjects
3 1 (3.45%) Power BI
3 1 (3.45%) SAP Data Services
3 1 (3.45%) SQL Server
Development Applications
1 4 (13.79%) GitLab
1 4 (13.79%) TeamCity
2 2 (6.90%) Git (software)
2 2 (6.90%) Jenkins
2 2 (6.90%) JIRA
2 2 (6.90%) Octopus Deploy
2 2 (6.90%) webpack
General
1 8 (27.59%) Finance
2 4 (13.79%) Retail
3 3 (10.34%) Legal
3 3 (10.34%) Social Skills
4 2 (6.90%) Documentation Skills
4 2 (6.90%) Financial Institution
4 2 (6.90%) Law
Job Titles
1 9 (31.03%) Architect
2 4 (13.79%) Data Engineer
3 3 (10.34%) Developer
3 3 (10.34%) Solutions Architect
4 2 (6.90%) Analyst
4 2 (6.90%) Azure Architect
4 2 (6.90%) Cloud Architect
4 2 (6.90%) Cloud Engineer
4 2 (6.90%) Front End Developer (Client-Side Developer)
4 2 (6.90%) Hadoop Engineer
4 2 (6.90%) JavaScript Developer
4 2 (6.90%) Project Manager
4 2 (6.90%) Security Architect
5 1 (3.45%) Cybersecurity Architect
5 1 (3.45%) Domain Architect
5 1 (3.45%) Front End Java Developer (Client-Side Java Developer)
5 1 (3.45%) Microsoft 365 Architect
5 1 (3.45%) Microsoft Solutions Architect
5 1 (3.45%) Network Security Architect
5 1 (3.45%) Windows Systems Administrator
Libraries, Frameworks & Software Standards
1 2 (6.90%) Apache Tez
1 2 (6.90%) CSS
1 2 (6.90%) CSS3
1 2 (6.90%) HTML
1 2 (6.90%) HTML5
1 2 (6.90%) Kafka
1 2 (6.90%) PySpark
1 2 (6.90%) React
1 2 (6.90%) RESTful
1 2 (6.90%) Sass
2 1 (3.45%) .NET
Miscellaneous
1 4 (13.79%) Mainframe
2 2 (6.90%) CCTV
2 2 (6.90%) Greenfield Project
2 2 (6.90%) Hedge funds
2 2 (6.90%) Public Cloud
2 2 (6.90%) User Experience
3 1 (3.45%) Data Centre
3 1 (3.45%) Management Information System
3 1 (3.45%) Self-Motivation
Operating Systems
1 3 (10.34%) Linux
1 3 (10.34%) Ubuntu
1 3 (10.34%) Windows
1 3 (10.34%) Windows Server
2 2 (6.90%) CentOS
2 2 (6.90%) Windows Server 2012
3 1 (3.45%) Debian
Processes & Methodologies
1 15 (51.72%) Agile
2 10 (34.48%) Migration
3 8 (27.59%) ETL
4 6 (20.69%) CI/CD
4 6 (20.69%) Data Migration
4 6 (20.69%) DevOps
5 4 (13.79%) Data Engineering
5 4 (13.79%) Data Modelling
5 4 (13.79%) Microservices
5 4 (13.79%) Test Automation
6 3 (10.34%) Continuous Integration
6 3 (10.34%) Cybersecurity
6 3 (10.34%) Deployment Automation
6 3 (10.34%) Project Delivery
6 3 (10.34%) Software Testing
6 3 (10.34%) Waterfall
7 2 (6.90%) Attestation
7 2 (6.90%) Business Case
7 2 (6.90%) Knowledge Transfer
7 2 (6.90%) Platform Engineering
Programming Languages
1 8 (27.59%) SQL
2 6 (20.69%) Python
3 4 (13.79%) Java
4 2 (6.90%) JavaScript
4 2 (6.90%) Scala
4 2 (6.90%) TypeScript
5 1 (3.45%) PowerShell
5 1 (3.45%) T-SQL
Qualifications
1 4 (13.79%) Degree
2 3 (10.34%) SC Cleared
2 3 (10.34%) Security Cleared
3 2 (6.90%) Computer Science Degree
3 2 (6.90%) Master's Degree
4 1 (3.45%) CISSP
4 1 (3.45%) MCP
4 1 (3.45%) MCSA
4 1 (3.45%) Microsoft Certification
4 1 (3.45%) PMI Certification
4 1 (3.45%) PMP
4 1 (3.45%) TOGAF Certification
Quality Assurance & Compliance
1 2 (6.90%) GDPR
1 2 (6.90%) QA
2 1 (3.45%) COBIT
2 1 (3.45%) COSO
2 1 (3.45%) GRC
2 1 (3.45%) ISO/IEC 27001
2 1 (3.45%) NIST
2 1 (3.45%) NIST 800
2 1 (3.45%) PCI DSS
System Software
1 2 (6.90%) Apache ZooKeeper
2 1 (3.45%) Active Directory
Systems Management
1 2 (6.90%) Ambari
1 2 (6.90%) Hadoop YARN
1 2 (6.90%) Oozie
1 2 (6.90%) Puppet
2 1 (3.45%) Microsoft Intune
Vendors
1 4 (13.79%) Microsoft
2 3 (10.34%) Google
3 2 (6.90%) Hortonworks
3 2 (6.90%) Netezza
3 2 (6.90%) Oracle
3 2 (6.90%) Red Hat
4 1 (3.45%) Guidewire
4 1 (3.45%) MuleSoft
4 1 (3.45%) SAP
4 1 (3.45%) VMware