Period
to 18 January 2022

The table below looks at the prevalence of the term Legacy Code in contract job vacancies advertised in London. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Legacy Code over the 6 months to 18 January 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 Code
England > London
6 months to
18 Jan 2022
Same period 2021 Same period 2020
Rank 532 379 489
Rank change year-on-year -153 +110 +87
Contract jobs citing Legacy Code 39 19 36
As % of all contract jobs advertised in London 0.10% 0.11% 0.12%
As % of the Miscellaneous category 0.31% 0.31% 0.38%
Number of daily rates quoted 35 18 27
10th Percentile £314 £205 £408
25th Percentile £513 £269 £500
Median daily rate (50th Percentile) £600 £500 £600
Median % change year-on-year +20.00% -16.67% +1.69%
75th Percentile £700 £563 £700
90th Percentile £776 £618 £750
England median daily rate £475 £500 £500
% change year-on-year -5.00% - -9.09%

Legacy Code 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 London with a requirement for generic IT skills.

All Generic IT Skills
London
Contract vacancies with a requirement for generic IT skills 12,562 6,153 9,382
As % of all contract IT jobs advertised in London 33.60% 35.66% 31.22%
Number of daily rates quoted 9,330 4,416 6,718
10th Percentile £375 £315 £300
25th Percentile £475 £413 £413
Median daily rate (50th Percentile) £575 £525 £525
Median % change year-on-year +9.52% - -
75th Percentile £700 £638 £625
90th Percentile £780 £730 £713
England median daily rate £538 £475 £475
% change year-on-year +13.16% - -
Number of hourly rates quoted 156 86 126
10th Percentile £16.94 £15.30 £12.44
25th Percentile £23.88 £22.50 £16.66
Median hourly rate £43.35 £28.02 £22.72
Median % change year-on-year +54.69% +23.35% -1.24%
75th Percentile £54.97 £45.81 £39.15
90th Percentile £65.38 £59.38 £52.38
England median hourly rate £25.00 £26.22 £20.63
% change year-on-year -4.65% +27.13% +1.88%

Legacy Code
Job Vacancy Trend in London

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

Job vacancy trend for Legacy Code in London

Legacy Code
Contractor Daily Rate Trend in London

3-month moving average daily rate quoted in jobs citing Legacy Code in London.

Daily rate trend for Legacy Code in London

Legacy Code
Daily Rate Histogram in London

Daily rate distribution for jobs citing Legacy Code in London over the 6 months to 18 January 2022.

Daily rate histogram for Legacy Code in London

Legacy Code
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Legacy Code within the London region over the 6 months to 18 January 2022. 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Central London -63 1 £690 +217.24% 8
Legacy Code
England

For the 6 months to 18 January 2022, IT contractor jobs citing Legacy Code 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 London region with a requirement for Legacy Code.

1 19 (48.72%) Finance
2 17 (43.59%) Agile Software Development
3 16 (41.03%) Azure
4 15 (38.46%) Jenkins
5 14 (35.90%) Java
6 12 (30.77%) SQL
6 12 (30.77%) Scrum
6 12 (30.77%) Microservices
7 10 (25.64%) DevOps
7 10 (25.64%) Docker
7 10 (25.64%) Kafka
7 10 (25.64%) Greenfield Project
7 10 (25.64%) C#
7 10 (25.64%) Git (software)
7 10 (25.64%) Software Engineering
8 9 (23.08%) Multithreading
8 9 (23.08%) AWS
8 9 (23.08%) Microsoft
9 8 (20.51%) OOP
9 8 (20.51%) OO
9 8 (20.51%) TeamCity
9 8 (20.51%) Spring
9 8 (20.51%) TDD
9 8 (20.51%) Problem-Solving
9 8 (20.51%) Social Skills
9 8 (20.51%) Kubernetes
10 7 (17.95%) Analytical Skills
10 7 (17.95%) Banking
10 7 (17.95%) Investment Banking
10 7 (17.95%) Derivative

Legacy Code
Co-occurring IT Skills in 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 5 (12.82%) Elasticsearch
2 4 (10.26%) Tomcat
3 3 (7.69%) OpenStack
4 1 (2.56%) Apache ServiceMix
4 1 (2.56%) Confluence
4 1 (2.56%) Jetty
Applications
1 1 (2.56%) Microsoft Excel
Business Applications
1 1 (2.56%) Orchestrade
Cloud Services
1 16 (41.03%) Azure
2 9 (23.08%) AWS
3 6 (15.38%) Azure Service Bus
3 6 (15.38%) GCP
4 2 (5.13%) Azure Monitor
4 2 (5.13%) GitHub
5 1 (2.56%) Boomi
5 1 (2.56%) IaaS
5 1 (2.56%) PaaS
Communications & Networking
1 5 (12.82%) Multicast
2 1 (2.56%) MQTT
Database & Business Intelligence
1 6 (15.38%) MongoDB
2 5 (12.82%) Relational Database
2 5 (12.82%) SQL Server
3 4 (10.26%) Cloudant
4 3 (7.69%) MySQL
5 2 (5.13%) Redis
6 1 (2.56%) Big Data
6 1 (2.56%) Hadoop
6 1 (2.56%) PostgreSQL
Development Applications
1 15 (38.46%) Jenkins
2 10 (25.64%) Git (software)
3 8 (20.51%) TeamCity
4 5 (12.82%) JUnit
4 5 (12.82%) Liquibase
4 5 (12.82%) Visual Studio
5 4 (10.26%) GitLab
6 3 (7.69%) Artifactory
6 3 (7.69%) Gradle
7 2 (5.13%) Bitbucket
7 2 (5.13%) CircleCI
7 2 (5.13%) Maven
7 2 (5.13%) Moq
7 2 (5.13%) Octopus Deploy
7 2 (5.13%) SonarQube
8 1 (2.56%) fastlane
8 1 (2.56%) JIRA
8 1 (2.56%) Mockito
8 1 (2.56%) Spock
8 1 (2.56%) WebDriver
General
1 19 (48.72%) Finance
2 8 (20.51%) Social Skills
3 7 (17.95%) Analytical Skills
3 7 (17.95%) Banking
3 7 (17.95%) Investment Banking
4 5 (12.82%) Front Office
5 3 (7.69%) Public Sector
6 2 (5.13%) Back Office
6 2 (5.13%) Retail
7 1 (2.56%) Marketing
7 1 (2.56%) Publishing
7 1 (2.56%) Retail Finance
Job Titles
1 30 (76.92%) Developer
2 10 (25.64%) Java Developer
3 7 (17.95%) Senior Developer
4 5 (12.82%) C# Developer
4 5 (12.82%) C++ Developer
4 5 (12.82%) Cloud Developer
5 4 (10.26%) PHP Developer
6 3 (7.69%) Architect
6 3 (7.69%) Python Developer
6 3 (7.69%) Senior Python Developer
6 3 (7.69%) Software Engineer
7 2 (5.13%) Cloud Architect
7 2 (5.13%) Senior C# Developer
7 2 (5.13%) Senior Java Developer
7 2 (5.13%) Senior Software Engineer
7 2 (5.13%) Software Developer
7 2 (5.13%) Technical Architect
8 1 (2.56%) Azure Engineer
8 1 (2.56%) Data Scientist
8 1 (2.56%) Developer in Test
Libraries, Frameworks & Software Standards
1 10 (25.64%) Kafka
2 8 (20.51%) Spring
3 6 (15.38%) Spring Boot
4 5 (12.82%) Hibernate
4 5 (12.82%) Rendezvous
4 5 (12.82%) REST
5 4 (10.26%) JPA
5 4 (10.26%) SOAP
5 4 (10.26%) Spring Cloud
5 4 (10.26%) Spring Security
6 3 (7.69%) .NET
6 3 (7.69%) Django
6 3 (7.69%) Jest
6 3 (7.69%) Laravel
6 3 (7.69%) OAuth
6 3 (7.69%) OAuth2
6 3 (7.69%) React
6 3 (7.69%) Redux
7 2 (5.13%) HTML
7 2 (5.13%) Web Services
Miscellaneous
1 10 (25.64%) Greenfield Project
2 7 (17.95%) Derivative
3 6 (15.38%) Foreign Exchange (FX)
4 5 (12.82%) Client/Server
4 5 (12.82%) Credit Derivative
5 4 (10.26%) Algorithms
5 4 (10.26%) Cloud Native
5 4 (10.26%) PKI
6 3 (7.69%) Legacy Systems
6 3 (7.69%) Private Cloud
7 2 (5.13%) Equities
7 2 (5.13%) Legacy Applications
8 1 (2.56%) DataPower
8 1 (2.56%) Mobile App
8 1 (2.56%) N-Tier
Operating Systems
1 3 (7.69%) Debian
1 3 (7.69%) Linux
1 3 (7.69%) VMS
2 1 (2.56%) Android
2 1 (2.56%) Apple iOS
Processes & Methodologies
1 17 (43.59%) Agile Software Development
2 12 (30.77%) Microservices
2 12 (30.77%) Scrum
3 10 (25.64%) DevOps
3 10 (25.64%) Software Engineering
4 9 (23.08%) Multithreading
5 8 (20.51%) OO
5 8 (20.51%) OOP
5 8 (20.51%) Problem-Solving
5 8 (20.51%) TDD
6 7 (17.95%) Migration
7 6 (15.38%) Clean Code
7 6 (15.38%) E-Commerce
7 6 (15.38%) Event-Driven
7 6 (15.38%) Full Stack Development
7 6 (15.38%) Test Automation
8 5 (12.82%) API Development
8 5 (12.82%) Continuous Improvement
8 5 (12.82%) MVC
9 4 (10.26%) Kanban
Programming Languages
1 14 (35.90%) Java
2 12 (30.77%) SQL
3 10 (25.64%) C#
4 6 (15.38%) JavaScript
4 6 (15.38%) Python
5 5 (12.82%) C++
5 5 (12.82%) Java 11
5 5 (12.82%) Java 8
5 5 (12.82%) PHP
6 4 (10.26%) PL/SQL
6 4 (10.26%) Shell Script
6 4 (10.26%) TypeScript
7 1 (2.56%) CoffeeScript
7 1 (2.56%) Go
7 1 (2.56%) Haskell
7 1 (2.56%) Scala
7 1 (2.56%) VBA
Qualifications
1 1 (2.56%) Computer Science Degree
1 1 (2.56%) Degree
1 1 (2.56%) SC Cleared
1 1 (2.56%) Security Cleared
Quality Assurance & Compliance
1 1 (2.56%) QA
System Software
1 10 (25.64%) Docker
Systems Management
1 8 (20.51%) Kubernetes
2 6 (15.38%) Ansible
3 5 (12.82%) ITRS Geneos
4 4 (10.26%) Kibana
5 3 (7.69%) Terraform
6 2 (5.13%) Istio
7 1 (2.56%) Grafana
Vendors
1 9 (23.08%) Microsoft
2 5 (12.82%) Google
2 5 (12.82%) MuleSoft
2 5 (12.82%) TIBCO
3 4 (10.26%) Oracle
4 1 (2.56%) IBM
4 1 (2.56%) Software AG
4 1 (2.56%) webMethods