Period
to 16 September 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 16 September 2021 with a comparison to the same period over the previous 2 years.

Legacy System
UK
6 months to
16 Sep 2021
Same period 2020 Same period 2019
Rank 409 388 478
Rank change year-on-year -21 +90 +63
Permanent jobs citing Legacy Systems 919 365 867
As % of all permanent jobs advertised in the UK 0.76% 0.71% 0.62%
As % of the Miscellaneous category 1.89% 1.97% 1.75%
Number of salaries quoted 523 323 694
10th Percentile £32,500 £40,000 £31,750
25th Percentile £41,250 £50,000 £40,000
Median annual salary (50th Percentile) £57,500 £65,000 £55,000
Median % change year-on-year -11.54% +18.18% +4.76%
75th Percentile £78,750 £90,000 £68,750
90th Percentile £114,250 £112,500 £83,750
UK excluding London median annual salary £47,500 £57,500 £45,000
% change year-on-year -17.39% +27.78% -

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 48,630 18,521 49,535
As % of all permanent IT jobs advertised in the UK 40.13% 35.91% 35.15%
Number of salaries quoted 29,259 14,986 37,794
10th Percentile £32,500 £32,500 £30,000
25th Percentile £42,500 £42,500 £37,500
Median annual salary (50th Percentile) £60,000 £57,500 £53,000
Median % change year-on-year +4.35% +8.49% +0.95%
75th Percentile £80,000 £77,500 £72,500
90th Percentile £97,500 £100,000 £90,000
UK excluding London median annual salary £50,000 £47,575 £45,000
% change year-on-year +5.10% +5.72% -

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 16 September 2021.

Salary histogram for Legacy Systems in the UK

Legacy Systems
Top 18 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 16 September 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 -11 796 £60,000 -7.69% 145
UK excluding London -57 419 £47,500 -17.39% 107
London -30 402 £75,000 +3.45% 52
Work from Home -159 196 £50,000 -13.04% 20
South East -94 106 £50,000 -34.43% 23
North of England -53 100 £37,500 -25.00% 27
Midlands -46 93 £48,250 -12.27% 18
West Midlands -33 73 £45,000 -21.74% 15
Yorkshire -76 48 £42,500 -15.00% 10
East of England -65 41 £58,750 -9.62% 16
South West -105 36 £43,750 -20.45% 6
North West -73 32 £42,500 -15.00% 15
Scotland -75 27 £51,250 -33.87% 16
North East -14 22 £37,500 -37.50% 2
East Midlands -57 20 £51,250 -6.82% 3
Isle of Man - 13 - -
Wales -40 6 £34,683 -21.85% 1
Northern Ireland - 1 - -

For the 6 months to 16 September 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.

1 434 (47.23%) Agile Software Development
2 311 (33.84%) Finance
3 265 (28.84%) SQL
4 264 (28.73%) Software Engineering
5 254 (27.64%) JavaScript
6 248 (26.99%) AWS
7 236 (25.68%) C#
8 225 (24.48%) Azure
9 220 (23.94%) .NET
10 190 (20.67%) DevOps
11 182 (19.80%) Java
12 181 (19.70%) Migration
13 180 (19.59%) Python
14 172 (18.72%) Social Skills
15 166 (18.06%) Scrum
16 165 (17.95%) React
17 156 (16.97%) Docker
18 150 (16.32%) Microservices
19 144 (15.67%) CSS
20 139 (15.13%) HTML
21 130 (14.15%) Coaching
22 127 (13.82%) .NET Core
23 126 (13.71%) Microsoft
24 124 (13.49%) Mentoring
25 122 (13.28%) Web Services
26 118 (12.84%) Serverless
27 115 (12.51%) Problem-Solving
28 109 (11.86%) TDD
29 107 (11.64%) PHP
30 105 (11.43%) Business Intelligence

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 29 (3.16%) Cloud Foundry
2 19 (2.07%) SAS
3 17 (1.85%) Confluence
4 13 (1.41%) Mendix
5 12 (1.31%) Elasticsearch
6 11 (1.20%) SharePoint
7 10 (1.09%) Apache
7 10 (1.09%) WordPress
8 5 (0.54%) Drupal
8 5 (0.54%) Ethereum
8 5 (0.54%) Hyperledger
8 5 (0.54%) IIS
8 5 (0.54%) OpenROAD
8 5 (0.54%) Oracle Spatial
9 4 (0.44%) CMS
9 4 (0.44%) Umbraco
10 3 (0.33%) Adobe Experience Manager
10 3 (0.33%) Apache Spark
11 2 (0.22%) nginx
11 2 (0.22%) Oracle SOA Suite
Applications
1 18 (1.96%) Spreadsheet
2 15 (1.63%) Microsoft Excel
3 6 (0.65%) Microsoft Office
3 6 (0.65%) MS Visio
4 4 (0.44%) InfoPath
4 4 (0.44%) Microsoft Project
5 3 (0.33%) Microsoft PowerPoint
Business Applications
1 30 (3.26%) Dynamics CRM
2 24 (2.61%) Dynamics AX
3 9 (0.98%) NetSuite
4 8 (0.87%) Magento
4 8 (0.87%) Remedy ITSM
5 6 (0.65%) SAP S/4HANA
6 5 (0.54%) Distributed Ledger
6 5 (0.54%) Dynamics NAV
6 5 (0.54%) R3 Corda
7 4 (0.44%) Cognos Controller
7 4 (0.44%) IBM Planning Analytics
7 4 (0.44%) Infor CloudSuite
7 4 (0.44%) Infor CloudSuite Industrial (formerly SyteLine)
7 4 (0.44%) Infor CRM
8 3 (0.33%) SAP Business One
8 3 (0.33%) SAP ERP
9 2 (0.22%) Oracle Retail
9 2 (0.22%) SAP CAR
9 2 (0.22%) SAP Forecasting and Replenishment
9 2 (0.22%) SAP MDG
Cloud Services
1 248 (26.99%) AWS
2 225 (24.48%) Azure
3 118 (12.84%) Serverless
4 90 (9.79%) AWS Lambda
5 77 (8.38%) SaaS
6 73 (7.94%) AWS CloudFormation
7 67 (7.29%) Power Platform
8 61 (6.64%) GCP
9 49 (5.33%) Amazon SQS
10 47 (5.11%) Amazon S3
11 45 (4.90%) Amazon ECS
12 43 (4.68%) Dynamics 365
13 38 (4.13%) Amazon EC2
13 38 (4.13%) PaaS
14 36 (3.92%) IaaS
15 34 (3.70%) Heroku
16 29 (3.16%) AWS Fargate
16 29 (3.16%) CloudFront
16 29 (3.16%) Virtual Private Cloud
17 18 (1.96%) GitHub
Communications & Networking
1 10 (1.09%) DNS
1 10 (1.09%) HTTP
2 8 (0.87%) Firewall
3 6 (0.65%) DHCP
3 6 (0.65%) FTP
4 4 (0.44%) Broadband
4 4 (0.44%) SSL
4 4 (0.44%) TCP/IP
5 3 (0.33%) ASN.1
5 3 (0.33%) MQTT
5 3 (0.33%) Skype
5 3 (0.33%) SMTP
5 3 (0.33%) WAN
6 2 (0.22%) SAN
6 2 (0.22%) VSAN
7 1 (0.11%) iSCSI
7 1 (0.11%) Network Security
7 1 (0.11%) Software-Defined Networking
7 1 (0.11%) Unified Communications
7 1 (0.11%) WebEx
Database & Business Intelligence
1 96 (10.45%) MySQL
2 94 (10.23%) SQL Server
3 80 (8.71%) Relational Database
4 69 (7.51%) Data Warehouse
5 64 (6.96%) NoSQL
6 62 (6.75%) Tableau
7 60 (6.53%) Power BI
8 38 (4.13%) Data Lake
9 37 (4.03%) Amazon RDS
10 36 (3.92%) Big Data
11 32 (3.48%) SQL Server Integration Services
12 30 (3.26%) Oracle ODI
13 25 (2.72%) PostgreSQL
13 25 (2.72%) Redis
14 24 (2.61%) SQL Server Reporting Services
15 22 (2.39%) Amazon DynamoDB
16 18 (1.96%) Azure SQL Database
17 17 (1.85%) Metadata
18 13 (1.41%) Data Mining
18 13 (1.41%) RDBMS
Development Applications
1 93 (10.12%) Git (software)
2 66 (7.18%) Jenkins
3 39 (4.24%) JIRA
4 30 (3.26%) Oracle APEX
5 28 (3.05%) Visual Studio
6 19 (2.07%) Bitbucket
6 19 (2.07%) Octopus Deploy
7 18 (1.96%) TeamCity
8 17 (1.85%) Selenium
8 17 (1.85%) Team Foundation Server
9 11 (1.20%) GitLab
10 10 (1.09%) git-flow
10 10 (1.09%) WebDriver
11 9 (0.98%) NUnit
11 9 (0.98%) SpecFlow
12 8 (0.87%) JMeter
12 8 (0.87%) MorphX
13 7 (0.76%) Gradle
13 7 (0.76%) Visual Studio Team System
14 6 (0.65%) NeoLoad
General
1 311 (33.84%) Finance
2 172 (18.72%) Social Skills
3 96 (10.45%) Banking
4 94 (10.23%) Analytical Skills
5 91 (9.90%) Retail
6 66 (7.18%) Public Sector
7 61 (6.64%) Legal
8 43 (4.68%) Presentation Skills
9 36 (3.92%) Front Office
10 30 (3.26%) Manufacturing
11 29 (3.16%) Local Government
12 22 (2.39%) Law
13 20 (2.18%) Organisational Skills
14 17 (1.85%) Games
14 17 (1.85%) Marketing
15 15 (1.63%) Back Office
16 12 (1.31%) Documentation Skills
16 12 (1.31%) Inclusion and Diversity
16 12 (1.31%) Investment Banking
17 10 (1.09%) Automotive
Job Titles
1 287 (31.23%) Developer
2 131 (14.25%) Software Engineer
3 120 (13.06%) Architect
4 83 (9.03%) C# Developer
5 64 (6.96%) Analyst
6 57 (6.20%) Data Engineer
7 56 (6.09%) Senior Software Engineer
8 54 (5.88%) Consultant
9 51 (5.55%) Software Developer
10 47 (5.11%) Solutions Architect
11 43 (4.68%) Senior Developer
12 39 (4.24%) Technical Architect
13 38 (4.13%) Java Developer
14 35 (3.81%) SQL Developer
15 28 (3.05%) .NET Developer
16 26 (2.83%) Data Consultant
16 26 (2.83%) Python Developer
17 25 (2.72%) Infrastructure Architect
18 24 (2.61%) Migration Consultant
18 24 (2.61%) SAP Consultant
Libraries, Frameworks & Software Standards
1 220 (23.94%) .NET
2 165 (17.95%) React
3 144 (15.67%) CSS
4 139 (15.13%) HTML
5 127 (13.82%) .NET Core
6 122 (13.28%) Web Services
7 84 (9.14%) AngularJS
8 59 (6.42%) Node.js
9 55 (5.98%) .NET Framework
10 50 (5.44%) ASP.NET
11 47 (5.11%) REST
12 39 (4.24%) Ruby on Rails
13 37 (4.03%) Entity Framework
13 37 (4.03%) Vue.js
14 35 (3.81%) Laravel
15 34 (3.70%) RESTful
16 30 (3.26%) SOAP
16 30 (3.26%) XML
17 29 (3.16%) GraphQL
17 29 (3.16%) Sinatra
Miscellaneous
1 63 (6.86%) Data Structures
2 61 (6.64%) Virtual Team
3 43 (4.68%) Management Information System
4 42 (4.57%) Analytical Mindset
5 41 (4.46%) Data Centre
6 34 (3.70%) Fixed Income
6 34 (3.70%) Life Science
7 30 (3.26%) Blog
8 28 (3.05%) Equities
8 28 (3.05%) Greenfield Project
9 26 (2.83%) User Experience
10 24 (2.61%) Self-Motivation
11 21 (2.29%) Client/Server
12 20 (2.18%) Legacy Code
12 20 (2.18%) Mobile App
13 18 (1.96%) Derivative
14 17 (1.85%) Algorithms
15 16 (1.74%) Foreign Exchange (FX)
15 16 (1.74%) LIMS
16 15 (1.63%) Enterprise Software
Operating Systems
1 63 (6.86%) Linux
2 40 (4.35%) Windows
3 13 (1.41%) Windows Server
4 5 (0.54%) Windows 10
4 5 (0.54%) Windows Server 2008
5 2 (0.22%) Android
5 2 (0.22%) Apple iOS
5 2 (0.22%) Unix
6 1 (0.11%) CentOS
6 1 (0.11%) Red Hat Enterprise Linux
6 1 (0.11%) Windows 7
6 1 (0.11%) Windows Server 2012
6 1 (0.11%) Windows Server 2016
6 1 (0.11%) Windows Server 2019
Processes & Methodologies
1 434 (47.23%) Agile Software Development
2 264 (28.73%) Software Engineering
3 190 (20.67%) DevOps
4 181 (19.70%) Migration
5 166 (18.06%) Scrum
6 150 (16.32%) Microservices
7 130 (14.15%) Coaching
8 124 (13.49%) Mentoring
9 115 (12.51%) Problem-Solving
10 109 (11.86%) TDD
11 105 (11.43%) Business Intelligence
11 105 (11.43%) Data Migration
12 101 (10.99%) ERP
13 96 (10.45%) OO
14 94 (10.23%) ETL
15 75 (8.16%) Fintech
16 73 (7.94%) Kanban
17 71 (7.73%) Computer Science
18 67 (7.29%) Analytics
19 62 (6.75%) Infrastructure as Code
Programming Languages
1 265 (28.84%) SQL
2 254 (27.64%) JavaScript
3 236 (25.68%) C#
4 182 (19.80%) Java
5 180 (19.59%) Python
6 107 (11.64%) PHP
7 62 (6.75%) T-SQL
7 62 (6.75%) TypeScript
8 56 (6.09%) Go
9 43 (4.68%) Ruby
10 31 (3.37%) R
11 30 (3.26%) VB
12 29 (3.16%) ES6
13 24 (2.61%) PowerShell
14 23 (2.50%) ABAP
15 22 (2.39%) C++
16 12 (1.31%) VBA
17 11 (1.20%) Bash Shell
18 10 (1.09%) VB.NET
19 9 (0.98%) Perl
Qualifications
1 75 (8.16%) Degree
2 46 (5.01%) Computer Science Degree
3 36 (3.92%) Security Cleared
4 33 (3.59%) Microsoft Certification
5 31 (3.37%) SC Cleared
6 22 (2.39%) DV Cleared
6 22 (2.39%) MCP
6 22 (2.39%) MCSA
6 22 (2.39%) MCSE
6 22 (2.39%) VMware Certified Professional (VCP)
7 9 (0.98%) Master's Degree
8 4 (0.44%) ITIL Foundation Certificate
9 3 (0.33%) AWS Certification
9 3 (0.33%) TOGAF Certification
10 2 (0.22%) CCNA
10 2 (0.22%) Cisco Certification
10 2 (0.22%) ISTQB
10 2 (0.22%) ITIL Certification
11 1 (0.11%) CISSP
11 1 (0.11%) PMP
Quality Assurance & Compliance
1 29 (3.16%) QA
2 12 (1.31%) Accessibility
3 11 (1.20%) Data Quality
3 11 (1.20%) GDPR
3 11 (1.20%) PMO
4 9 (0.98%) ISO/IEC 27001
5 3 (0.33%) SLA
6 2 (0.22%) Def Stans
6 2 (0.22%) NCSC
6 2 (0.22%) PCI DSS
7 1 (0.11%) HMG Security Policy Framework
7 1 (0.11%) ISO 22301
System Software
1 156 (16.97%) Docker
2 41 (4.46%) VMware Infrastructure
3 26 (2.83%) vSphere
4 23 (2.50%) Active Directory
5 6 (0.65%) Hyper-V
6 5 (0.54%) VMware ESXi
7 4 (0.44%) VMware NSX
8 3 (0.33%) Virtual Machines
9 2 (0.22%) NFS
10 1 (0.11%) Apache ZooKeeper
10 1 (0.11%) Firmware
10 1 (0.11%) GlusterFS
10 1 (0.11%) KVM
10 1 (0.11%) Microsoft App-V
10 1 (0.11%) Terminal Services
Systems Management
1 96 (10.45%) Kubernetes
2 86 (9.36%) Terraform
3 10 (1.09%) Ansible
4 8 (0.87%) Grafana
5 6 (0.65%) vCenter Server
6 5 (0.54%) Oracle Identity Manager
6 5 (0.54%) Packer
6 5 (0.54%) Pingdom
6 5 (0.54%) SCCM
7 4 (0.44%) Single Sign-On
8 3 (0.33%) Active Directory Federation Services
8 3 (0.33%) Oozie
8 3 (0.33%) Prometheus
9 1 (0.11%) FortiGate
9 1 (0.11%) SCOM
9 1 (0.11%) Tivoli
9 1 (0.11%) Unicenter
Vendors
1 126 (13.71%) Microsoft
2 93 (10.12%) Oracle
3 47 (5.11%) Google
3 47 (5.11%) SAP
4 45 (4.90%) VMware
5 41 (4.46%) Sony
6 15 (1.63%) ServiceNow
7 12 (1.31%) Amplitude
8 9 (0.98%) Salesforce.com
9 8 (0.87%) Atlassian
9 8 (0.87%) BMC
9 8 (0.87%) Cisco
9 8 (0.87%) Cognos
9 8 (0.87%) Fidessa
9 8 (0.87%) HP
9 8 (0.87%) Remedy
9 8 (0.87%) Xamarin
10 7 (0.76%) Informatica
10 7 (0.76%) JD Edwards
11 6 (0.65%) Telerik