Period
to 17 October 2021

The table below looks at the prevalence of the term Legacy Systems in permanent job vacancies advertised in London. Included is a benchmarking guide to the salaries offered in vacancies that have cited Legacy Systems over the 6 months to 17 October 2021 with a comparison to the same period over the previous 2 years.

Legacy System
England > London
6 months to
17 Oct 2021
Same period 2020 Same period 2019
Rank 407 335 454
Rank change year-on-year -72 +119 +27
Permanent jobs citing Legacy Systems 358 139 312
As % of all permanent jobs advertised in London 0.72% 0.72% 0.57%
As % of the Miscellaneous category 1.60% 1.79% 1.50%
Number of salaries quoted 195 132 250
10th Percentile £52,500 £53,750 £41,250
25th Percentile £56,250 £62,500 £49,000
Median annual salary (50th Percentile) £75,000 £75,000 £64,500
Median % change year-on-year - +16.28% -1.29%
75th Percentile £97,500 £112,500 £76,250
90th Percentile £117,500 £117,500 £95,000
England median annual salary £57,500 £70,000 £55,000
% change year-on-year -17.86% +27.27% -

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 advertised in London with a requirement for generic IT skills.

All Generic IT Skills
London
Permanent vacancies with a requirement for generic IT skills 22,312 7,750 20,837
As % of all permanent IT jobs advertised in London 44.59% 40.06% 38.09%
Number of salaries quoted 13,087 6,556 16,450
10th Percentile £42,500 £42,500 £36,250
25th Percentile £53,750 £54,494 £47,500
Median annual salary (50th Percentile) £72,500 £72,500 £65,500
Median % change year-on-year - +10.69% +0.77%
75th Percentile £93,750 £95,000 £85,000
90th Percentile £112,500 £120,000 £105,000
England median annual salary £60,000 £57,500 £55,000
% change year-on-year +4.35% +4.55% +4.76%

Legacy Systems
Job Vacancy Trend in London

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

Job vacancy trend for Legacy Systems in London

Legacy Systems
Salary Trend in London

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

Salary trend for Legacy Systems in London

Legacy Systems
Salary Histogram in London

Salary distribution for jobs citing Legacy Systems in London over the 6 months to 17 October 2021.

Salary histogram for Legacy Systems in London

Legacy Systems
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Legacy Systems within the London region over the 6 months to 17 October 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
Central London -69 41 £105,000 +40.00% 5
South London -20 7 £40,000 -43.56%
West London -84 4 £65,000 +13.04% 2
Legacy Systems
England

For the 6 months to 17 October 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 across the London region with a requirement for Legacy Systems.

1 222 (62.01%) Agile Software Development
2 172 (48.04%) Finance
3 143 (39.94%) Software Engineering
4 135 (37.71%) JavaScript
5 131 (36.59%) AWS
6 124 (34.64%) Scrum
7 105 (29.33%) React
8 98 (27.37%) Microservices
9 97 (27.09%) Java
10 96 (26.82%) DevOps
11 90 (25.14%) Azure
12 84 (23.46%) Python
13 79 (22.07%) Coaching
14 77 (21.51%) Serverless
15 75 (20.95%) Banking
16 72 (20.11%) C#
17 69 (19.27%) Docker
18 67 (18.72%) CSS
19 65 (18.16%) PHP
20 64 (17.88%) AWS Lambda
21 60 (16.76%) Problem-Solving
22 59 (16.48%) Social Skills
23 56 (15.64%) HTML
24 55 (15.36%) .NET
25 54 (15.08%) Go
25 54 (15.08%) Node.js
26 53 (14.80%) Terraform
27 51 (14.25%) MySQL
28 50 (13.97%) SQL
28 50 (13.97%) OO

Legacy Systems
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 16 (4.47%) Cloud Foundry
2 14 (3.91%) Mendix
3 11 (3.07%) Confluence
4 8 (2.23%) WordPress
5 6 (1.68%) Elasticsearch
6 5 (1.40%) Ethereum
6 5 (1.40%) Hyperledger
6 5 (1.40%) SharePoint
7 4 (1.12%) CMS
8 3 (0.84%) Adobe Experience Manager
9 1 (0.28%) Apache
9 1 (0.28%) Apache Spark
Applications
1 15 (4.19%) Spreadsheet
2 4 (1.12%) InfoPath
3 2 (0.56%) Microsoft Project
3 2 (0.56%) MS Visio
4 1 (0.28%) Microsoft Excel
4 1 (0.28%) Microsoft PowerPoint
Business Applications
1 8 (2.23%) Magento
2 7 (1.96%) Dynamics AX
3 5 (1.40%) Distributed Ledger
3 5 (1.40%) R3 Corda
4 4 (1.12%) IBM Planning Analytics
5 3 (0.84%) Dynamics CRM
6 2 (0.56%) NetSuite
7 1 (0.28%) HFM
7 1 (0.28%) Hyperion Planning
7 1 (0.28%) Oracle EBS
7 1 (0.28%) Oracle ERP
7 1 (0.28%) Remedy ITSM
7 1 (0.28%) SAP BPC
Cloud Services
1 131 (36.59%) AWS
2 90 (25.14%) Azure
3 77 (21.51%) Serverless
4 64 (17.88%) AWS Lambda
5 49 (13.69%) AWS CloudFormation
6 40 (11.17%) GCP
7 37 (10.34%) SaaS
8 35 (9.78%) Amazon SQS
9 31 (8.66%) Amazon S3
10 28 (7.82%) Amazon ECS
11 24 (6.70%) Amazon EC2
11 24 (6.70%) AWS Fargate
12 20 (5.59%) PaaS
13 19 (5.31%) Heroku
14 17 (4.75%) IaaS
14 17 (4.75%) Power Platform
15 16 (4.47%) CloudFront
15 16 (4.47%) Virtual Private Cloud
16 10 (2.79%) GitHub
17 9 (2.51%) Dynamics 365
Communications & Networking
1 7 (1.96%) HTTP
2 5 (1.40%) DNS
3 4 (1.12%) Broadband
3 4 (1.12%) Firewall
4 2 (0.56%) TCP/IP
4 2 (0.56%) WAN
5 1 (0.28%) DHCP
5 1 (0.28%) VPN
5 1 (0.28%) WebEx
Database & Business Intelligence
1 51 (14.25%) MySQL
2 39 (10.89%) NoSQL
3 33 (9.22%) Relational Database
4 24 (6.70%) Amazon RDS
5 21 (5.87%) Amazon DynamoDB
5 21 (5.87%) Redis
6 15 (4.19%) PostgreSQL
6 15 (4.19%) Power BI
7 13 (3.63%) Data Warehouse
8 11 (3.07%) Blockchain
8 11 (3.07%) SQL Server
9 8 (2.23%) Azure SQL Database
9 8 (2.23%) Tableau
10 7 (1.96%) Big Data
10 7 (1.96%) RDBMS
11 5 (1.40%) Amazon Aurora
11 5 (1.40%) Metadata
12 4 (1.12%) BusinessObjects
13 3 (0.84%) Looker
13 3 (0.84%) Spark SQL
Development Applications
1 35 (9.78%) Jenkins
2 20 (5.59%) Git (software)
3 19 (5.31%) JIRA
4 14 (3.91%) TeamCity
5 11 (3.07%) Bitbucket
5 11 (3.07%) Octopus Deploy
6 9 (2.51%) GitLab
6 9 (2.51%) Selenium
7 7 (1.96%) git-flow
7 7 (1.96%) Visual Studio
8 6 (1.68%) Visual Studio Team System
9 5 (1.40%) NUnit
9 5 (1.40%) Team Foundation Server
10 4 (1.12%) Gatling
10 4 (1.12%) JMeter
10 4 (1.12%) NeoLoad
10 4 (1.12%) SpecFlow
10 4 (1.12%) WebDriver
11 3 (0.84%) Gradle
12 1 (0.28%) Atlassian Bamboo
General
1 172 (48.04%) Finance
2 75 (20.95%) Banking
3 59 (16.48%) Social Skills
4 46 (12.85%) Analytical Skills
5 42 (11.73%) Retail
6 30 (8.38%) Front Office
6 30 (8.38%) Public Sector
7 21 (5.87%) Legal
8 18 (5.03%) Presentation Skills
9 16 (4.47%) Local Government
10 13 (3.63%) Law
11 12 (3.35%) Inclusion and Diversity
12 11 (3.07%) Investment Banking
13 8 (2.23%) Marketing
14 7 (1.96%) Back Office
15 5 (1.40%) Automotive
15 5 (1.40%) Financial Institution
15 5 (1.40%) Retail Banking
16 4 (1.12%) Corporate Banking
16 4 (1.12%) Telecoms
Job Titles
1 92 (25.70%) Developer
2 74 (20.67%) Software Engineer
3 45 (12.57%) Architect
4 28 (7.82%) Java Developer
4 28 (7.82%) Solutions Architect
5 27 (7.54%) Senior Software Engineer
6 25 (6.98%) Senior Developer
7 23 (6.42%) Analyst
8 18 (5.03%) Consultant
9 15 (4.19%) Electronic Trading Developer
9 15 (4.19%) Electronic Trading Java Developer
9 15 (4.19%) Java Developer - Fintech
9 15 (4.19%) Java Pricing Developer
9 15 (4.19%) Pricing Developer
10 14 (3.91%) Analyst Programmer
10 14 (3.91%) Programmer
11 13 (3.63%) Python Developer
12 12 (3.35%) Front Office Developer
12 12 (3.35%) Full Stack Developer
12 12 (3.35%) Lead Software Engineer
Libraries, Frameworks & Software Standards
1 105 (29.33%) React
2 67 (18.72%) CSS
3 56 (15.64%) HTML
4 55 (15.36%) .NET
5 54 (15.08%) Node.js
6 46 (12.85%) AngularJS
7 37 (10.34%) Web Services
8 29 (8.10%) .NET Core
9 28 (7.82%) Ruby on Rails
10 26 (7.26%) Redux
11 24 (6.70%) Vue.js
12 21 (5.87%) Laravel
13 19 (5.31%) HTML5
14 18 (5.03%) gRPC
15 16 (4.47%) Angular 2
15 16 (4.47%) Sinatra
16 15 (4.19%) Twitter Bootstrap
17 14 (3.91%) CSS3
17 14 (3.91%) REST
18 12 (3.35%) Django
Miscellaneous
1 42 (11.73%) Analytical Mindset
2 38 (10.61%) Virtual Team
3 25 (6.98%) Fixed Income
4 21 (5.87%) Client/Server
5 20 (5.59%) Equities
6 19 (5.31%) Greenfield Project
7 17 (4.75%) Blog
8 16 (4.47%) Foreign Exchange (FX)
9 14 (3.91%) Legacy Code
9 14 (3.91%) Reinsurance
10 13 (3.63%) Mobile App
11 10 (2.79%) Derivative
11 10 (2.79%) Management Information System
12 9 (2.51%) User Experience
13 8 (2.23%) Clustering
13 8 (2.23%) Enterprise Software
13 8 (2.23%) Hybrid Cloud
13 8 (2.23%) Reference Data
14 6 (1.68%) Data Structures
14 6 (1.68%) Robotics
Operating Systems
1 16 (4.47%) Linux
2 4 (1.12%) Windows
3 2 (0.56%) Unix
3 2 (0.56%) Windows Server
Processes & Methodologies
1 222 (62.01%) Agile Software Development
2 143 (39.94%) Software Engineering
3 124 (34.64%) Scrum
4 98 (27.37%) Microservices
5 96 (26.82%) DevOps
6 79 (22.07%) Coaching
7 60 (16.76%) Problem-Solving
8 50 (13.97%) Kanban
8 50 (13.97%) OO
9 46 (12.85%) TDD
10 42 (11.73%) Mentoring
10 42 (11.73%) Service Delivery
11 37 (10.34%) Full Stack Development
12 36 (10.06%) Computer Science
13 35 (9.78%) Fintech
13 35 (9.78%) Migration
14 34 (9.50%) Clean Code
15 33 (9.22%) Infrastructure as Code
16 31 (8.66%) Digital Transformation Programme
16 31 (8.66%) Logistics
Programming Languages
1 135 (37.71%) JavaScript
2 97 (27.09%) Java
3 84 (23.46%) Python
4 72 (20.11%) C#
5 65 (18.16%) PHP
6 54 (15.08%) Go
7 50 (13.97%) SQL
8 45 (12.57%) TypeScript
9 32 (8.94%) Ruby
10 24 (6.70%) R
11 17 (4.75%) ES6
12 9 (2.51%) VBA
13 6 (1.68%) C++
13 6 (1.68%) PL/SQL
14 5 (1.40%) DAML
14 5 (1.40%) Rust
15 4 (1.12%) Kotlin
15 4 (1.12%) T-SQL
16 3 (0.84%) Bash Shell
16 3 (0.84%) PowerShell
Qualifications
1 46 (12.85%) Degree
2 32 (8.94%) Computer Science Degree
3 2 (0.56%) ITIL Certification
3 2 (0.56%) Microsoft Certification
4 1 (0.28%) ACCA
4 1 (0.28%) AWS Certification
4 1 (0.28%) CIMA
4 1 (0.28%) CISSP
4 1 (0.28%) Master's Degree
Quality Assurance & Compliance
1 11 (3.07%) QA
2 10 (2.79%) Accessibility
3 2 (0.56%) ISO/IEC 27001
3 2 (0.56%) NCSC
4 1 (0.28%) GDPR
4 1 (0.28%) PMO
System Software
1 69 (19.27%) Docker
2 4 (1.12%) VMware Infrastructure
3 3 (0.84%) Hyper-V
4 2 (0.56%) Active Directory
4 2 (0.56%) Virtual Machines
4 2 (0.56%) VMware ESXi
4 2 (0.56%) vSphere
Systems Management
1 53 (14.80%) Terraform
2 48 (13.41%) Kubernetes
3 7 (1.96%) Grafana
4 6 (1.68%) Ansible
5 5 (1.40%) Packer
5 5 (1.40%) Pingdom
6 2 (0.56%) Prometheus
7 1 (0.28%) Oozie
7 1 (0.28%) Tivoli
7 1 (0.28%) Unicenter
Vendors
1 41 (11.45%) Sony
2 22 (6.15%) Google
3 17 (4.75%) Microsoft
4 12 (3.35%) Oracle
5 8 (2.23%) Fidessa
6 7 (1.96%) Atlassian
6 7 (1.96%) Salesforce.com
7 5 (1.40%) New Relic
7 5 (1.40%) PagerDuty
7 5 (1.40%) VMware
8 4 (1.12%) Bloomberg
8 4 (1.12%) Cognos
8 4 (1.12%) Concur
8 4 (1.12%) Nintex
8 4 (1.12%) Sage
8 4 (1.12%) Sun
9 3 (0.84%) Adobe
9 3 (0.84%) ServiceNow
10 2 (0.56%) Cisco
10 2 (0.56%) LexisNexis