Period
to 2 December 2021

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

Legacy System
UK
6 months to
2 Dec 2021
Same period 2020 Same period 2019
Rank 482 384 457
Rank change year-on-year -98 +73 +35
Permanent jobs citing Legacy Systems 771 418 863
As % of all permanent jobs advertised in the UK 0.60% 0.75% 0.64%
As % of the Miscellaneous category 1.48% 2.15% 1.82%
Number of salaries quoted 480 358 716
10th Percentile £31,250 £36,250 £32,500
25th Percentile £38,750 £47,500 £40,250
Median annual salary (50th Percentile) £55,000 £67,500 £55,000
Median % change year-on-year -18.52% +22.73% +4.76%
75th Percentile £72,500 £82,188 £73,750
90th Percentile £95,000 £112,500 £95,000
UK excluding London median annual salary £45,000 £55,000 £48,500
% change year-on-year -18.18% +13.40% +9.23%

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 with a requirement for generic IT skills.

All Generic IT Skills
UK
Permanent vacancies with a requirement for generic IT skills 52,251 19,415 47,466
As % of all permanent IT jobs advertised in the UK 40.50% 34.87% 35.34%
Number of salaries quoted 31,839 16,137 36,784
10th Percentile £32,500 £32,875 £30,000
25th Percentile £43,750 £42,500 £38,250
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 £77,500 £75,000
90th Percentile £100,000 £97,500 £92,500
UK excluding London median annual salary £50,000 £48,250 £45,000
% change year-on-year +3.63% +7.22% -

Legacy Systems
Job Vacancy Trend

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

Job vacancy trend for Legacy Systems in the UK

Legacy Systems
Salary Trend

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

Salary trend for Legacy Systems in the UK

Legacy Systems
Salary Histogram

Salary distribution for jobs citing Legacy Systems over the 6 months to 2 December 2021.

Salary histogram for Legacy Systems in the UK

Legacy Systems
Top 17 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Legacy Systems within the UK over the 6 months to 2 December 2021. 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
Job
Vacancies
England -104 676 £55,000 -19.41% 129
UK excluding London -105 384 £45,000 -18.18% 94
London -119 301 £72,500 -6.45% 43
Work from Home -141 212 £40,000 -30.43% 27
North of England -72 116 £37,500 -25.00% 19
South East -143 104 £50,000 -28.57% 23
Midlands -62 86 £41,000 -25.45% 22
West Midlands -59 65 £37,500 -21.05% 15
Yorkshire -54 49 £39,936 -0.16% 6
North West -71 43 £42,500 -5.56% 11
South West -75 32 £47,173 +17.93% 13
North East -14 26 £37,500 -37.50% 2
Scotland -63 23 £52,500 -32.26% 5
East Midlands -53 21 £42,500 -22.73% 7
East of England -92 19 £65,000 - 8
Wales -48 4 £52,445 +29.96% 4
Isle of Man - 4 - -

For the 6 months to 2 December 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 with a requirement for Legacy Systems.

1 369 (47.86%) Agile Software Development
2 246 (31.91%) Finance
3 233 (30.22%) SQL
4 211 (27.37%) C#
4 211 (27.37%) AWS
5 200 (25.94%) Software Engineering
6 192 (24.90%) .NET
7 179 (23.22%) JavaScript
8 146 (18.94%) Migration
9 145 (18.81%) Azure
9 145 (18.81%) Social Skills
10 139 (18.03%) Docker
11 133 (17.25%) DevOps
12 125 (16.21%) Mentoring
12 125 (16.21%) Scrum
13 124 (16.08%) Java
14 113 (14.66%) React
15 110 (14.27%) Python
16 102 (13.23%) .NET Core
17 94 (12.19%) Microsoft
17 94 (12.19%) Microservices
18 93 (12.06%) CSS
18 93 (12.06%) PHP
18 93 (12.06%) HTML
18 93 (12.06%) Problem-Solving
19 92 (11.93%) Business Intelligence
20 91 (11.80%) Fintech
21 90 (11.67%) T-SQL
22 83 (10.77%) Data Migration
23 82 (10.64%) API Development

Legacy Systems
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 15 (1.95%) Apache
2 14 (1.82%) Mendix
3 12 (1.56%) WordPress
4 10 (1.30%) SAS
5 9 (1.17%) Cloud Foundry
6 8 (1.04%) OpenROAD
7 7 (0.91%) Confluence
8 5 (0.65%) Ethereum
8 5 (0.65%) Hyperledger
8 5 (0.65%) Oracle Spatial
9 4 (0.52%) SharePoint
10 3 (0.39%) IIS
10 3 (0.39%) Umbraco
11 2 (0.26%) CMS
11 2 (0.26%) nginx
11 2 (0.26%) Oracle SOA Suite
12 1 (0.13%) Adobe Experience Manager
12 1 (0.13%) Apache Spark
12 1 (0.13%) Elasticsearch
12 1 (0.13%) SharePoint 2010
Applications
1 16 (2.08%) Microsoft Excel
2 15 (1.95%) Spreadsheet
3 7 (0.91%) Microsoft Office
4 5 (0.65%) MS Visio
5 2 (0.26%) Microsoft Project
6 1 (0.13%) InfoPath
6 1 (0.13%) Microsoft PowerPoint
Business Applications
1 24 (3.11%) Dynamics AX
2 15 (1.95%) Dynamics CRM
3 7 (0.91%) Magento
4 6 (0.78%) SAP S/4HANA
5 5 (0.65%) Distributed Ledger
5 5 (0.65%) NetSuite
5 5 (0.65%) R3 Corda
6 4 (0.52%) Cognos Controller
6 4 (0.52%) Infor CloudSuite
6 4 (0.52%) Infor CloudSuite Industrial (formerly SyteLine)
6 4 (0.52%) Infor CRM
6 4 (0.52%) Maximo
6 4 (0.52%) SAP CO
6 4 (0.52%) SAP ERP
6 4 (0.52%) SAP FI
6 4 (0.52%) SAP FI/CO
6 4 (0.52%) SAP HR
7 3 (0.39%) SAP HCM
7 3 (0.39%) SAP Payroll
8 2 (0.26%) Line 50
Cloud Services
1 211 (27.37%) AWS
2 145 (18.81%) Azure
3 68 (8.82%) Serverless
4 53 (6.87%) Power Platform
5 49 (6.36%) AWS Lambda
6 46 (5.97%) SaaS
7 40 (5.19%) GCP
8 38 (4.93%) Dynamics 365
9 32 (4.15%) AWS CloudFormation
10 23 (2.98%) Amazon SQS
11 21 (2.72%) GitHub
12 19 (2.46%) Heroku
13 18 (2.33%) Amazon ECS
14 17 (2.20%) Amazon S3
15 16 (2.08%) PaaS
16 15 (1.95%) Amazon EC2
17 14 (1.82%) AWS Fargate
17 14 (1.82%) IaaS
18 11 (1.43%) Snowflake
19 9 (1.17%) GitHub Actions
Communications & Networking
1 16 (2.08%) Firewall
2 13 (1.69%) VoIP
3 12 (1.56%) TCP/IP
4 11 (1.43%) HTTP
4 11 (1.43%) LAN
5 10 (1.30%) Network Security
6 9 (1.17%) FTP
7 8 (1.04%) Wireless
8 7 (0.91%) Spanning Tree
8 7 (0.91%) VLAN
9 6 (0.78%) DNS
9 6 (0.78%) WAN
10 5 (0.65%) SAN
10 5 (0.65%) SSH
10 5 (0.65%) Wi-Fi
11 4 (0.52%) Broadband
11 4 (0.52%) SDH
11 4 (0.52%) SSL
12 3 (0.39%) ASN.1
12 3 (0.39%) VPN
Database & Business Intelligence
1 69 (8.95%) MySQL
1 69 (8.95%) SQL Server
2 50 (6.49%) Data Warehouse
3 49 (6.36%) Power BI
4 46 (5.97%) Relational Database
5 42 (5.45%) NoSQL
6 28 (3.63%) Tableau
7 27 (3.50%) Data Lake
8 21 (2.72%) SQL Server Integration Services
9 20 (2.59%) Oracle ODI
9 20 (2.59%) PostgreSQL
9 20 (2.59%) SQL Server Reporting Services
10 18 (2.33%) Redis
11 17 (2.20%) Amazon DynamoDB
11 17 (2.20%) Amazon RDS
12 13 (1.69%) BusinessObjects
13 10 (1.30%) OLAP
13 10 (1.30%) RDBMS
14 9 (1.17%) Big Data
14 9 (1.17%) Crystal Reports
Development Applications
1 69 (8.95%) Git (software)
2 47 (6.10%) Jenkins
3 24 (3.11%) JIRA
3 24 (3.11%) Visual Studio
4 20 (2.59%) Oracle APEX
5 12 (1.56%) Octopus Deploy
5 12 (1.56%) Visual Studio Team System
6 11 (1.43%) TeamCity
7 10 (1.30%) git-flow
7 10 (1.30%) GitLab
7 10 (1.30%) MorphX
7 10 (1.30%) Selenium
8 9 (1.17%) Bitbucket
9 8 (1.04%) Team Foundation Server
10 6 (0.78%) JMeter
10 6 (0.78%) WebDriver
11 5 (0.65%) Postman
12 4 (0.52%) Cucumber
12 4 (0.52%) Serenity BDD
12 4 (0.52%) Subversion
General
1 246 (31.91%) Finance
2 145 (18.81%) Social Skills
3 69 (8.95%) Analytical Skills
4 54 (7.00%) Retail
5 53 (6.87%) Banking
6 49 (6.36%) Public Sector
7 38 (4.93%) Legal
8 31 (4.02%) Law
9 25 (3.24%) Presentation Skills
10 21 (2.72%) Automotive
11 18 (2.33%) Front Office
12 16 (2.08%) Inclusion and Diversity
12 16 (2.08%) Manufacturing
12 16 (2.08%) Marketing
13 14 (1.82%) Games
14 12 (1.56%) Documentation Skills
15 10 (1.30%) Telecoms
16 9 (1.17%) Back Office
16 9 (1.17%) Local Government
17 8 (1.04%) Organisational Skills
Job Titles
1 258 (33.46%) Developer
2 99 (12.84%) C# Developer
3 97 (12.58%) Architect
4 67 (8.69%) Analyst
5 61 (7.91%) Software Engineer
6 48 (6.23%) Consultant
7 43 (5.58%) Software Developer
8 37 (4.80%) Solutions Architect
9 34 (4.41%) Technical Architect
10 32 (4.15%) Data Engineer
11 30 (3.89%) Senior Software Engineer
12 29 (3.76%) .NET Developer
13 26 (3.37%) Senior Developer
14 25 (3.24%) Java Developer
15 23 (2.98%) Infrastructure Technical Architect
15 23 (2.98%) Technical Infrastructure Architect
16 22 (2.85%) Infrastructure Architect
17 20 (2.59%) SAP Consultant
18 19 (2.46%) SQL Developer
19 18 (2.33%) Analyst Programmer
Libraries, Frameworks & Software Standards
1 192 (24.90%) .NET
2 113 (14.66%) React
3 102 (13.23%) .NET Core
4 93 (12.06%) CSS
4 93 (12.06%) HTML
5 72 (9.34%) Node.js
6 59 (7.65%) Web Services
7 45 (5.84%) AngularJS
8 33 (4.28%) .NET Framework
8 33 (4.28%) REST
9 30 (3.89%) ASP.NET
9 30 (3.89%) RESTful
9 30 (3.89%) Twitter Bootstrap
10 28 (3.63%) Laravel
10 28 (3.63%) XML
11 26 (3.37%) HTML5
12 24 (3.11%) Redux
13 23 (2.98%) Entity Framework
14 21 (2.72%) jQuery
14 21 (2.72%) Vue.js
Miscellaneous
1 49 (6.36%) Greenfield Project
2 42 (5.45%) Management Information System
3 41 (5.32%) Data Structures
4 39 (5.06%) Analytical Mindset
5 32 (4.15%) Data Centre
5 32 (4.15%) Virtual Team
6 24 (3.11%) User Experience
7 21 (2.72%) Client/Server
8 20 (2.59%) Life Science
9 19 (2.46%) Mobile App
10 18 (2.33%) Legacy Code
11 17 (2.20%) Self-Motivation
12 14 (1.82%) Foreign Exchange (FX)
12 14 (1.82%) Hybrid Cloud
12 14 (1.82%) Reinsurance
13 13 (1.69%) Fixed Income
14 11 (1.43%) Algorithms
15 10 (1.30%) Blog
16 8 (1.04%) Cloud Native
16 8 (1.04%) Enterprise Software
Operating Systems
1 63 (8.17%) Linux
2 31 (4.02%) Windows
3 7 (0.91%) Windows 10
3 7 (0.91%) Windows Server
4 5 (0.65%) Unix
4 5 (0.65%) Windows Server 2016
5 4 (0.52%) Android
6 1 (0.13%) Red Hat Enterprise Linux
6 1 (0.13%) Windows 2000
6 1 (0.13%) Windows 7
6 1 (0.13%) Windows NT
6 1 (0.13%) Windows Server 2008
6 1 (0.13%) Windows XP
Processes & Methodologies
1 369 (47.86%) Agile Software Development
2 200 (25.94%) Software Engineering
3 146 (18.94%) Migration
4 133 (17.25%) DevOps
5 125 (16.21%) Mentoring
5 125 (16.21%) Scrum
6 94 (12.19%) Microservices
7 93 (12.06%) Problem-Solving
8 92 (11.93%) Business Intelligence
9 91 (11.80%) Fintech
10 83 (10.77%) Data Migration
11 82 (10.64%) API Development
11 82 (10.64%) Coaching
12 76 (9.86%) ERP
13 67 (8.69%) ETL
14 57 (7.39%) TDD
15 52 (6.74%) Kanban
16 50 (6.49%) Computer Science
17 44 (5.71%) OO
17 44 (5.71%) Service Delivery
Programming Languages
1 233 (30.22%) SQL
2 211 (27.37%) C#
3 179 (23.22%) JavaScript
4 124 (16.08%) Java
5 110 (14.27%) Python
6 93 (12.06%) PHP
7 90 (11.67%) T-SQL
8 65 (8.43%) TypeScript
9 48 (6.23%) Go
10 28 (3.63%) Ruby
11 17 (2.20%) Bash Shell
12 16 (2.08%) ABAP
12 16 (2.08%) C++
13 14 (1.82%) R
14 13 (1.69%) ES6
14 13 (1.69%) PowerShell
14 13 (1.69%) X++
15 11 (1.43%) PL/SQL
16 10 (1.30%) VB
16 10 (1.30%) VB.NET
Qualifications
1 70 (9.08%) Degree
2 34 (4.41%) Computer Science Degree
3 28 (3.63%) Security Cleared
4 26 (3.37%) SC Cleared
5 25 (3.24%) Microsoft Certification
6 22 (2.85%) DV Cleared
6 22 (2.85%) MCP
6 22 (2.85%) MCSA
6 22 (2.85%) MCSE
6 22 (2.85%) VMware Certified Professional (VCP)
7 6 (0.78%) ITIL Certification
8 4 (0.52%) ITIL Foundation Certificate
9 3 (0.39%) HP APS
9 3 (0.39%) Master's Degree
10 2 (0.26%) Cisco Certification
10 2 (0.26%) CISSP
10 2 (0.26%) CTC Cleared
11 1 (0.13%) ACCA
11 1 (0.13%) CIMA
11 1 (0.13%) MOS
Quality Assurance & Compliance
1 28 (3.63%) QA
2 17 (2.20%) GDPR
3 12 (1.56%) ISO/IEC 27001
4 11 (1.43%) Accessibility
5 7 (0.91%) Data Quality
6 5 (0.65%) PMO
6 5 (0.65%) SLA
7 3 (0.39%) PCI DSS
8 2 (0.26%) APQC
8 2 (0.26%) NCSC
9 1 (0.13%) GAMP
9 1 (0.13%) ISO 22301
9 1 (0.13%) ISO 9001
9 1 (0.13%) NIST
System Software
1 139 (18.03%) Docker
2 34 (4.41%) VMware Infrastructure
3 23 (2.98%) vSphere
4 7 (0.91%) Active Directory
5 4 (0.52%) Virtual Machines
6 3 (0.39%) Hyper-V
6 3 (0.39%) Microsoft App-V
7 2 (0.26%) VMware ESXi
8 1 (0.13%) GlusterFS
8 1 (0.13%) NFS
8 1 (0.13%) VMware NSX
Systems Management
1 52 (6.74%) Kubernetes
2 45 (5.84%) Terraform
3 10 (1.30%) Ansible
4 8 (1.04%) vCenter Server
5 7 (0.91%) Grafana
6 5 (0.65%) Oracle Identity Manager
6 5 (0.65%) Pingdom
7 4 (0.52%) Single Sign-On
8 3 (0.39%) Packer
8 3 (0.39%) SCCM
8 3 (0.39%) ServiceCenter
9 2 (0.26%) Prometheus
10 1 (0.13%) CASB
10 1 (0.13%) Cisco CUCM
10 1 (0.13%) Cisco UCCE
10 1 (0.13%) Oozie
10 1 (0.13%) Opscode Chef
10 1 (0.13%) Puppet
10 1 (0.13%) Tivoli
10 1 (0.13%) Unicenter
Vendors
1 94 (12.19%) Microsoft
2 50 (6.49%) Oracle
3 43 (5.58%) VMware
4 39 (5.06%) SAP
5 38 (4.93%) Sony
6 34 (4.41%) Google
7 18 (2.33%) Cisco
8 12 (1.56%) Atlassian
9 9 (1.17%) IBM
9 9 (1.17%) Informatica
9 9 (1.17%) Telerik
9 9 (1.17%) Xamarin
10 8 (1.04%) Actian
10 8 (1.04%) Salesforce.com
11 7 (0.91%) Cognos
11 7 (0.91%) ServiceNow
11 7 (0.91%) SolarWinds
12 6 (0.78%) Sage
13 5 (0.65%) JD Edwards
13 5 (0.65%) Mitel