Period
to 27 January 2022

The table below looks at the prevalence of the term Legacy Code in permanent job vacancies. Included is a benchmarking guide to the salaries offered in vacancies that have cited Legacy Code over the 6 months to 27 January 2022 with a comparison to the same period over the previous 2 years.

Legacy Code
UK
6 months to
27 Jan 2022
Same period 2021 Same period 2020
Rank 642 658 701
Rank change year-on-year +16 +43 +112
Permanent jobs citing Legacy Code 496 129 352
As % of all permanent jobs advertised in the UK 0.38% 0.20% 0.28%
As % of the Miscellaneous category 0.93% 0.56% 0.80%
Number of salaries quoted 191 124 274
10th Percentile £37,500 £29,000 £37,500
25th Percentile £41,250 £35,250 £41,250
Median annual salary (50th Percentile) £50,000 £48,500 £55,000
Median % change year-on-year +3.09% -11.82% +4.76%
75th Percentile £69,375 £63,750 £81,250
90th Percentile £90,000 £88,750 £85,000
UK excluding London median annual salary £47,500 £40,000 £42,500
% change year-on-year +18.75% -5.88% -15.00%

Legacy Code 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 with a requirement for generic IT skills.

All Generic IT Skills
UK
Permanent vacancies with a requirement for generic IT skills 53,197 22,949 43,772
As % of all permanent IT jobs advertised in the UK 40.79% 35.47% 35.05%
Number of salaries quoted 30,739 18,016 34,154
10th Percentile £32,500 £32,500 £30,500
25th Percentile £45,000 £42,500 £38,750
Median annual salary (50th Percentile) £60,000 £57,500 £55,000
Median % change year-on-year +4.35% +4.55% +4.76%
75th Percentile £82,500 £76,250 £75,000
90th Percentile £101,800 £95,000 £95,000
UK excluding London median annual salary £50,000 £49,000 £46,500
% change year-on-year +2.04% +5.38% +3.33%

Legacy Code
Job Vacancy Trend

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

Job vacancy trend for Legacy Code in the UK

Legacy Code
Salary Trend

3-month moving average salary quoted in jobs citing Legacy Code.

Salary trend for Legacy Code in the UK

Legacy Code
Salary Histogram

Salary distribution for jobs citing Legacy Code over the 6 months to 27 January 2022.

Salary histogram for Legacy Code in the UK

Legacy Code
Top 16 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Legacy Code within the UK over the 6 months to 27 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Jobs
England -36 361 £50,000 +5.26% 38
London -52 209 £50,000 -37.50% 18
Work from Home -57 173 £50,000 -9.09% 6
UK excluding London -120 173 £47,500 +18.75% 20
South East -78 52 £50,000 +25.00% 6
Midlands -87 29 £37,500 - 5
North of England -130 28 £50,000 +25.00% 4
East of England - 23 £67,500 - 2
West Midlands -60 20 £45,250 -2.16% 3
North West -92 19 £50,000 +26.58% 3
South West -38 18 £47,500 -13.64% 2
Wales - 11 - - 1
Scotland -53 9 £50,000 -13.04%
East Midlands -55 9 £37,500 +4.17% 2
Yorkshire -72 9 £52,250 +30.63%
Northern Ireland - 3 £50,000 -

For the 6 months to 27 January 2022, IT 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 permanent job ads with a requirement for Legacy Code.

1 290 (58.47%) Agile Software Development
2 227 (45.77%) JavaScript
3 215 (43.35%) React
4 209 (42.14%) Software Engineering
5 185 (37.30%) TDD
6 179 (36.09%) Git (software)
7 171 (34.48%) HTML
7 171 (34.48%) CSS
8 169 (34.07%) Docker
9 144 (29.03%) AWS
10 139 (28.02%) Mentoring
11 137 (27.62%) Social Skills
12 134 (27.02%) OO
13 132 (26.61%) Full Stack Development
14 127 (25.60%) PHP
14 127 (25.60%) Refactoring
15 126 (25.40%) DevOps
16 117 (23.59%) Self-Motivation
17 114 (22.98%) Clean Code
18 113 (22.78%) Unit Testing
19 112 (22.58%) Node.js
20 111 (22.38%) QA
20 111 (22.38%) Java
21 107 (21.57%) OOP
22 106 (21.37%) Fintech
23 105 (21.17%) CI/CD
24 102 (20.56%) MySQL
25 96 (19.35%) Jenkins
26 95 (19.15%) Finance
27 94 (18.95%) Public Sector

Legacy Code
Co-occurring IT Skills 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 44 (8.87%) CMS
2 25 (5.04%) Ethereum
3 12 (2.42%) Apache
4 7 (1.41%) Apache Spark
5 5 (1.01%) Tomcat
6 3 (0.60%) Elasticsearch
6 3 (0.60%) Umbraco
7 2 (0.40%) Camunda
8 1 (0.20%) IIS
8 1 (0.20%) nginx
8 1 (0.20%) WordPress
Applications
1 8 (1.61%) Photoshop
2 6 (1.21%) InVision
3 5 (1.01%) Chatbot
3 5 (1.01%) Sketch
3 5 (1.01%) Zeplin
4 3 (0.60%) Adobe XD
5 2 (0.40%) Spreadsheet
Business Applications
1 10 (2.02%) Magento
2 9 (1.81%) Shopify
3 7 (1.41%) Payment Gateway
Cloud Services
1 144 (29.03%) AWS
2 87 (17.54%) Azure
3 38 (7.66%) Amazon SQS
4 31 (6.25%) GitHub
5 27 (5.44%) Amazon ECS
6 26 (5.24%) SaaS
7 22 (4.44%) Serverless
8 20 (4.03%) GCP
9 18 (3.63%) npm
10 17 (3.43%) Amazon EC2
10 17 (3.43%) Amazon S3
11 12 (2.42%) AWS Lambda
11 12 (2.42%) GitHub Actions
12 9 (1.81%) Cloud Computing
13 7 (1.41%) OpenShift
14 6 (1.21%) PaaS
15 5 (1.01%) AWS CloudFormation
16 4 (0.81%) AWS Fargate
16 4 (0.81%) Figma
17 3 (0.60%) Datadog
Communications & Networking
1 6 (1.21%) Intranet
2 5 (1.01%) SMS
3 3 (0.60%) DNS
4 2 (0.40%) Firewall
4 2 (0.40%) TCP/IP
5 1 (0.20%) DHCP
5 1 (0.20%) Internet
5 1 (0.20%) IPv6
5 1 (0.20%) SNMP
5 1 (0.20%) SSH
5 1 (0.20%) VPN
5 1 (0.20%) Wireless
Database & Business Intelligence
1 102 (20.56%) MySQL
2 71 (14.31%) Blockchain
3 69 (13.91%) MongoDB
4 38 (7.66%) SQL Server
5 37 (7.46%) Redis
6 35 (7.06%) PostgreSQL
7 24 (4.84%) SQL Server 2014
8 13 (2.62%) Apache Cassandra
9 8 (1.61%) Relational Database
10 5 (1.01%) Hazelcast
11 4 (0.81%) Amazon DynamoDB
11 4 (0.81%) NoSQL
12 2 (0.40%) Amazon RDS
12 2 (0.40%) MariaDB
13 1 (0.20%) Azure SQL Database
13 1 (0.20%) Big Data
13 1 (0.20%) SQL Server 2016
13 1 (0.20%) SQL Server Reporting Services
Development Applications
1 179 (36.09%) Git (software)
2 96 (19.35%) Jenkins
3 68 (13.71%) PHPUnit
4 38 (7.66%) CircleCI
5 34 (6.85%) webpack
6 29 (5.85%) Team Foundation Server
7 28 (5.65%) Visual Studio
8 22 (4.44%) gulp
8 22 (4.44%) JUnit
9 18 (3.63%) Jasmine
10 16 (3.23%) Grunt
11 14 (2.82%) JIRA
12 12 (2.42%) Bitbucket
12 12 (2.42%) Cypress.io
12 12 (2.42%) GitLab
12 12 (2.42%) PhpStorm
12 12 (2.42%) Selenium
12 12 (2.42%) Xdebug
13 10 (2.02%) Maven
13 10 (2.02%) Mocha
General
1 137 (27.62%) Social Skills
2 95 (19.15%) Finance
3 94 (18.95%) Public Sector
4 57 (11.49%) Games
4 57 (11.49%) Retail
5 35 (7.06%) Billing
5 35 (7.06%) Telecoms
6 30 (6.05%) Legal
7 27 (5.44%) Banking
8 20 (4.03%) Publishing
9 13 (2.62%) Analytical Skills
10 12 (2.42%) Retail Finance
11 6 (1.21%) Music Industry
12 5 (1.01%) Law
13 4 (0.81%) Automotive
13 4 (0.81%) Marketing
14 3 (0.60%) Advertising
15 2 (0.40%) Front Office
16 1 (0.20%) Aerospace
16 1 (0.20%) Electronics
Job Titles
1 256 (51.61%) Developer
2 159 (32.06%) Software Engineer
3 94 (18.95%) PHP Developer
4 60 (12.10%) PHP Laravel Developer
5 56 (11.29%) PHP Developer - Fintech
6 51 (10.28%) Senior Software Engineer
7 37 (7.46%) Software Developer
8 34 (6.85%) Java Developer
9 30 (6.05%) Senior Developer
10 26 (5.24%) Front End Developer (Client-Side Developer)
11 25 (5.04%) Full Stack Developer
12 20 (4.03%) .NET Developer
12 20 (4.03%) Automation Engineer
12 20 (4.03%) QA Automation Engineer
12 20 (4.03%) QA Engineer
13 18 (3.63%) C# Developer
14 17 (3.43%) Java Software Developer
15 14 (2.82%) Integration Engineer
15 14 (2.82%) React Developer
15 14 (2.82%) Software Integration Engineer
Libraries, Frameworks & Software Standards
1 215 (43.35%) React
2 171 (34.48%) CSS
2 171 (34.48%) HTML
3 112 (22.58%) Node.js
4 87 (17.54%) Laravel
5 86 (17.34%) .NET
6 85 (17.14%) AngularJS
7 83 (16.73%) jQuery
8 81 (16.33%) RESTful
9 76 (15.32%) Jest
10 75 (15.12%) LAMP
11 45 (9.07%) .NET Framework
12 36 (7.26%) Symfony
13 35 (7.06%) Spring
14 33 (6.65%) Django
15 31 (6.25%) Vue.js
15 31 (6.25%) Web Services
16 28 (5.65%) GraphQL
17 27 (5.44%) ASP.NET
17 27 (5.44%) HTML5
Miscellaneous
1 117 (23.59%) Self-Motivation
2 70 (14.11%) Algorithms
3 69 (13.91%) Cardano
4 60 (12.10%) User Experience
5 48 (9.68%) Enterprise Software
6 45 (9.07%) Cloud Native
7 31 (6.25%) Greenfield Project
8 22 (4.44%) Public Cloud
9 18 (3.63%) Blog
9 18 (3.63%) Mobile App
10 16 (3.23%) Web3
11 13 (2.62%) Legacy Systems
12 10 (2.02%) Data Protection Act
12 10 (2.02%) Virtual Team
13 9 (1.81%) Data Structures
13 9 (1.81%) Fibre Optics
14 6 (1.21%) Contract for Difference
14 6 (1.21%) Equities
14 6 (1.21%) Spread Betting
15 3 (0.60%) W3C
Operating Systems
1 36 (7.26%) Windows
2 33 (6.65%) Linux
3 21 (4.23%) Ubuntu
4 19 (3.83%) Android
5 10 (2.02%) Apple iOS
6 9 (1.81%) CentOS
7 6 (1.21%) Mac OS X
8 1 (0.20%) Unix
Processes & Methodologies
1 290 (58.47%) Agile Software Development
2 209 (42.14%) Software Engineering
3 185 (37.30%) TDD
4 139 (28.02%) Mentoring
5 134 (27.02%) OO
6 132 (26.61%) Full Stack Development
7 127 (25.60%) Refactoring
8 126 (25.40%) DevOps
9 114 (22.98%) Clean Code
10 113 (22.78%) Unit Testing
11 107 (21.57%) OOP
12 106 (21.37%) Fintech
13 105 (21.17%) CI/CD
14 91 (18.35%) Computer Science
15 87 (17.54%) Test Automation
16 69 (13.91%) Acceptance Criteria
17 68 (13.71%) Data Privacy
18 64 (12.90%) B2B
19 57 (11.49%) Responsive Web Design
20 56 (11.29%) Technical Leadership
Programming Languages
1 227 (45.77%) JavaScript
2 127 (25.60%) PHP
3 111 (22.38%) Java
4 84 (16.94%) TypeScript
5 75 (15.12%) Python
6 71 (14.31%) C#
7 65 (13.10%) PHP 7
8 60 (12.10%) SQL
9 49 (9.88%) Scala
10 33 (6.65%) C
11 31 (6.25%) Haskell
11 31 (6.25%) Rust
12 18 (3.63%) C++
12 18 (3.63%) Solidity
13 14 (2.82%) Go
13 14 (2.82%) Java 11
14 12 (2.42%) ES6
14 12 (2.42%) Kotlin
15 10 (2.02%) Java 8
15 10 (2.02%) Ruby
Qualifications
1 85 (17.14%) Degree
2 83 (16.73%) Computer Science Degree
3 28 (5.65%) Six Sigma Black Belt
4 24 (4.84%) DBS Check
4 24 (4.84%) ISEB
4 24 (4.84%) ISTQB
4 24 (4.84%) ISTQB Foundation Certification
5 2 (0.40%) AWS Certification
6 1 (0.20%) Security Cleared
Quality Assurance & Compliance
1 111 (22.38%) QA
2 4 (0.81%) Accessibility
3 2 (0.40%) GDPR
System Software
1 169 (34.07%) Docker
2 52 (10.48%) Virtual Machines
3 6 (1.21%) LXC
4 5 (1.01%) Apache ZooKeeper
Systems Management
1 44 (8.87%) Kubernetes
2 35 (7.06%) Terraform
3 17 (3.43%) Amdocs OSS
4 6 (1.21%) Sysdig
5 4 (0.81%) Opscode Chef
6 3 (0.60%) Puppet
7 2 (0.40%) Ansible
7 2 (0.40%) Graphite
7 2 (0.40%) Prometheus
Vendors
1 28 (5.65%) Microsoft
2 26 (5.24%) Oracle
3 24 (4.84%) NEC
3 24 (4.84%) Northgate
4 17 (3.43%) Amdocs
5 16 (3.23%) Zend
6 8 (1.61%) Facebook
7 6 (1.21%) Instagram
7 6 (1.21%) Twitter
7 6 (1.21%) YouTube
8 4 (0.81%) Telerik
8 4 (0.81%) Xamarin
9 3 (0.60%) Adobe
10 2 (0.40%) Splunk