Period
to 23 October 2021

The following table provides summary statistics for permanent job vacancies advertised in the City of London with a requirement for Refactoring skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Refactoring over the 6 months to 23 October 2021 with a comparison to the same period in the previous 2 years.

Refactoring
Central London > City of London
6 months to
23 Oct 2021
Same period 2020 Same period 2019
Rank 211 185 281
Rank change year-on-year -26 +96 -17
Permanent jobs citing Refactoring 53 8 46
As % of all permanent jobs advertised in the City of London 0.89% 0.22% 0.46%
As % of the Processes & Methodologies category 0.94% 0.23% 0.49%
Number of salaries quoted 38 7 37
10th Percentile " £75,500 £47,500
25th Percentile £75,000 £82,500 £56,250
Median annual salary (50th Percentile) £87,500 £87,500 £65,000
Median % change year-on-year - +34.62% +8.33%
75th Percentile £120,000 £91,250 £73,750
90th Percentile £152,500 " £90,000
Central London median annual salary £87,500 £70,000 £65,000
% change year-on-year +25.00% +7.69% +8.33%

Refactoring is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in the City of London with a requirement for process or methodology skills.

All Process and Methodology Skills
City of London
Permanent vacancies with a requirement for process or methodology skills 5,612 3,427 9,381
As % of all permanent IT jobs advertised in the City of London 94.40% 94.28% 93.95%
Number of salaries quoted 5,006 3,019 8,264
10th Percentile £43,625 £45,000 £38,250
25th Percentile £55,000 £54,013 £51,250
Median annual salary (50th Percentile) £72,500 £70,000 £67,500
Median % change year-on-year +3.57% +3.70% +3.85%
75th Percentile £91,250 £85,000 £82,500
90th Percentile £107,500 £101,250 £97,500
Central London median annual salary £70,500 £70,000 £65,000
% change year-on-year +0.71% +7.69% +4.00%

Refactoring
Job Vacancy Trend in the City of London

Job postings citing Refactoring as a proportion of all IT jobs advertised in the City of London.

Job vacancy trend for Refactoring in the City of London

Refactoring
Salary Trend in the City of London

3-month moving average salary quoted in jobs citing Refactoring in the City of London.

Salary trend for Refactoring in the City of London

Refactoring
Salary Histogram in the City of London

Salary distribution for jobs citing Refactoring in the City of London over the 6 months to 23 October 2021.

Salary histogram for Refactoring in the City of London

For the 6 months to 23 October 2021, IT jobs citing Refactoring 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 City of London region with a requirement for Refactoring.

1 29 (54.72%) Agile Software Development
1 29 (54.72%) Software Engineering
2 27 (50.94%) JavaScript
3 21 (39.62%) User Experience
4 20 (37.74%) DevOps
4 20 (37.74%) Continuous Improvement
4 20 (37.74%) TypeScript
5 16 (30.19%) Business Intelligence
5 16 (30.19%) Performance Optimisation
6 15 (28.30%) Microsoft
6 15 (28.30%) C#
6 15 (28.30%) Java
6 15 (28.30%) SQL Server
6 15 (28.30%) Continuous Integration
7 14 (26.42%) Unit Testing
7 14 (26.42%) Node.js
7 14 (26.42%) Tableau
7 14 (26.42%) Artificial Intelligence
7 14 (26.42%) Pair Programming
7 14 (26.42%) Data Management
7 14 (26.42%) Business Analysis
7 14 (26.42%) SQL Server Integration Services
7 14 (26.42%) Incident Management
7 14 (26.42%) SQL Server 2016
7 14 (26.42%) Fintech
7 14 (26.42%) Data Science
7 14 (26.42%) Deployment Automation
7 14 (26.42%) SQL Server 2017
7 14 (26.42%) Observability
7 14 (26.42%) Requirements Gathering

Refactoring
Co-occurring IT Skills in the City of 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 2 (3.77%) nginx
2 1 (1.89%) Apache Spark
2 1 (1.89%) Confluence
Cloud Services
1 7 (13.21%) npm
2 6 (11.32%) AWS
2 6 (11.32%) GCP
3 2 (3.77%) Azure
4 1 (1.89%) Azure Functions
4 1 (1.89%) Azure Service Bus
4 1 (1.89%) PaaS
4 1 (1.89%) Serverless
Database & Business Intelligence
1 15 (28.30%) SQL Server
2 14 (26.42%) SQL Server 2016
2 14 (26.42%) SQL Server 2017
2 14 (26.42%) SQL Server Integration Services
2 14 (26.42%) Tableau
3 13 (24.53%) MongoDB
4 2 (3.77%) MySQL
5 1 (1.89%) Big Data
5 1 (1.89%) Dremio
5 1 (1.89%) Hadoop
5 1 (1.89%) PostgreSQL
5 1 (1.89%) Redis
Development Applications
1 2 (3.77%) JIRA
2 1 (1.89%) Fiddler
2 1 (1.89%) Git (software)
2 1 (1.89%) Jenkins
2 1 (1.89%) JMeter
2 1 (1.89%) Selenium
2 1 (1.89%) SoapUI
2 1 (1.89%) Visual Studio
2 1 (1.89%) Visual Studio Team System
2 1 (1.89%) WebDriver
General
1 14 (26.42%) Social Skills
2 12 (22.64%) Banking
3 11 (20.75%) Finance
4 7 (13.21%) Front Office
5 6 (11.32%) Inclusion and Diversity
6 2 (3.77%) Electronics
6 2 (3.77%) Financial Institution
6 2 (3.77%) Manufacturing
6 2 (3.77%) Marketing
6 2 (3.77%) Public Sector
6 2 (3.77%) Telecoms
Job Titles
1 46 (86.79%) Developer
2 13 (24.53%) MongoDB Developer
2 13 (24.53%) Node.js Developer
3 12 (22.64%) Full Stack Developer
3 12 (22.64%) Tableau Developer
4 10 (18.87%) Java Developer
5 7 (13.21%) Front Office Developer
5 7 (13.21%) Java Pricing Developer
5 7 (13.21%) Pricing Developer
5 7 (13.21%) React Developer
6 6 (11.32%) Lead Developer
6 6 (11.32%) Technical Leader
7 4 (7.55%) Front End Developer (Client-Side Developer)
7 4 (7.55%) Senior Developer
8 3 (5.66%) Business Intelligence Developer
8 3 (5.66%) Senior Front-End Developer
8 3 (5.66%) Senior React Developer
9 2 (3.77%) Lead Software Developer
9 2 (3.77%) SQL BI Developer
9 2 (3.77%) SSIS Developer
Libraries, Frameworks & Software Standards
1 14 (26.42%) Node.js
2 13 (24.53%) React
3 11 (20.75%) Web Services
4 8 (15.09%) RESTful
5 7 (13.21%) Redux
5 7 (13.21%) Sass
5 7 (13.21%) Spring
5 7 (13.21%) Spring Boot
6 3 (5.66%) JSON
7 2 (3.77%) SOAP
7 2 (3.77%) Twitter Bootstrap
7 2 (3.77%) Zend Framework
8 1 (1.89%) .NET
8 1 (1.89%) ARM Templates
8 1 (1.89%) ASP.NET Web API
8 1 (1.89%) REST
8 1 (1.89%) WCF
8 1 (1.89%) XML
Miscellaneous
1 21 (39.62%) User Experience
2 7 (13.21%) Derivative
2 7 (13.21%) Equity Derivative
2 7 (13.21%) Pricing Data
3 6 (11.32%) Cloud Native
4 2 (3.77%) Media Streaming
4 2 (3.77%) Video\Live Streaming
5 1 (1.89%) Market Risk
Operating Systems
1 7 (13.21%) Linux
Processes & Methodologies
1 29 (54.72%) Agile Software Development
1 29 (54.72%) Software Engineering
2 20 (37.74%) Continuous Improvement
2 20 (37.74%) DevOps
3 16 (30.19%) Business Intelligence
3 16 (30.19%) Performance Optimisation
4 15 (28.30%) Continuous Integration
5 14 (26.42%) Artificial Intelligence
5 14 (26.42%) Business Analysis
5 14 (26.42%) Data Management
5 14 (26.42%) Data Science
5 14 (26.42%) Deployment Automation
5 14 (26.42%) Fintech
5 14 (26.42%) Incident Management
5 14 (26.42%) Observability
5 14 (26.42%) Pair Programming
5 14 (26.42%) Requirements Gathering
5 14 (26.42%) Unit Testing
6 13 (24.53%) Coaching
7 12 (22.64%) Full Stack Development
Programming Languages
1 27 (50.94%) JavaScript
2 20 (37.74%) TypeScript
3 15 (28.30%) C#
3 15 (28.30%) Java
4 8 (15.09%) SQL
5 7 (13.21%) ES7
5 7 (13.21%) Python
6 6 (11.32%) C
6 6 (11.32%) C++
6 6 (11.32%) Go
6 6 (11.32%) Rust
6 6 (11.32%) Scala
7 2 (3.77%) PHP
8 1 (1.89%) PowerShell
Qualifications
1 6 (11.32%) Degree
1 6 (11.32%) Master's Degree
2 1 (1.89%) DBS Check
System Software
1 7 (13.21%) Docker
Systems Management
1 6 (11.32%) Kubernetes
Vendors
1 15 (28.30%) Microsoft
2 2 (3.77%) SAP
2 2 (3.77%) Zend
3 1 (1.89%) Atlassian
3 1 (1.89%) Dynatrace