Period
to 21 January 2021

The following table provides summary statistics for permanent job vacancies advertised in 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 21 January 2021 with a comparison to the same period in the previous 2 years.

Refactoring
England > London
6 months to
21 Jan 2021
Same period 2020 Same period 2019
Rank 380 441 404
Rank change year-on-year +61 -37 +44
Permanent jobs citing Refactoring 130 300 417
As % of all permanent jobs advertised in London 0.54% 0.58% 0.66%
As % of the Processes & Methodologies category 0.57% 0.62% 0.72%
Number of salaries quoted 164 235 344
Median annual salary £70,000 £70,000 £67,500
Median salary % change year-on-year - +3.70% +12.50%
10th Percentile £52,500 £45,000 £50,000
90th Percentile £118,750 £90,000 £111,750
England median annual salary £65,000 £65,000 £60,000
% change year-on-year - +8.33% +4.35%

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 London with a requirement for process or methodology skills.

All Process and Methodology Skills
London
Permanent vacancies with a requirement for process or methodology skills 22,641 48,028 58,119
As % of all permanent IT jobs advertised in London 93.56% 93.45% 92.68%
Number of salaries quoted 18,912 38,953 47,567
Median annual salary £70,000 £65,000 £62,500
Median salary % change year-on-year +7.69% +4.00% +4.17%
10th Percentile £42,500 £36,356 £35,000
90th Percentile £105,000 £100,000 £95,000
England median annual salary £55,000 £55,000 £52,500
% change year-on-year - +4.76% +5.00%

Refactoring
Job Vacancy Trend in London

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

Job vacancy trend for Refactoring in London

Refactoring
Salary Trend in London

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

Salary trend for Refactoring in London

Refactoring
Salary Histogram in London

Salary distribution for jobs citing Refactoring in London over the 6 months to 21 January 2021.

Salary histogram for Refactoring in London

Refactoring
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Refactoring within the London region over the 6 months to 21 January 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 +74 22 £70,000 +7.69% 6
East London +40 9 £72,500 -8.81% 2
West London +70 7 £70,000 +16.67% 4
South London +31 1 £60,000 -20.00%
Refactoring
England

For the 6 months to 21 January 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 London region with a requirement for Refactoring.

1 84 (64.62%) Agile Software Development
2 67 (51.54%) TDD
3 64 (49.23%) Microservices
4 63 (48.46%) AWS
5 53 (40.77%) Software Engineering
6 52 (40.00%) .NET
7 47 (36.15%) Java
7 47 (36.15%) Python
8 43 (33.08%) SQL
8 43 (33.08%) Pair Programming
8 43 (33.08%) Docker
9 40 (30.77%) JavaScript
9 40 (30.77%) Problem-Solving
10 38 (29.23%) Kubernetes
11 37 (28.46%) Kafka
11 37 (28.46%) Continuous Integration
12 33 (25.38%) Test Automation
13 31 (23.85%) Domain-Driven Design
13 31 (23.85%) Finance
14 30 (23.08%) Continuous Delivery
15 29 (22.31%) C#
16 28 (21.54%) Node.js
17 27 (20.77%) React
17 27 (20.77%) .NET Core
17 27 (20.77%) Kotlin
18 26 (20.00%) DevOps
18 26 (20.00%) BDD
18 26 (20.00%) Spring
19 24 (18.46%) QA
19 24 (18.46%) MySQL

Refactoring
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 4 (3.08%) Tornado
2 3 (2.31%) Apache
2 3 (2.31%) Tomcat
3 2 (1.54%) Confluence
3 2 (1.54%) nginx
Cloud Services
1 63 (48.46%) AWS
2 20 (15.38%) Azure
3 12 (9.23%) Serverless
4 9 (6.92%) AWS Lambda
5 8 (6.15%) Heroku
6 7 (5.38%) Amazon S3
7 5 (3.85%) SaaS
8 4 (3.08%) Amazon Kinesis
8 4 (3.08%) Apigee
9 3 (2.31%) Amazon EC2
9 3 (2.31%) Amazon ECS
9 3 (2.31%) Datadog
9 3 (2.31%) GCP
9 3 (2.31%) GitHub
10 2 (1.54%) Amazon SQS
10 2 (1.54%) AWS CloudFormation
10 2 (1.54%) Azure Functions
10 2 (1.54%) Cloud Computing
11 1 (0.77%) Kong
Communications & Networking
1 3 (2.31%) HTTP
2 2 (1.54%) Firewall
3 1 (0.77%) Skype
3 1 (0.77%) SSH
Database & Business Intelligence
1 24 (18.46%) MySQL
2 22 (16.92%) SQL Server
3 20 (15.38%) PostgreSQL
4 15 (11.54%) Relational Database
5 13 (10.00%) MongoDB
6 12 (9.23%) NoSQL
7 10 (7.69%) Amazon DynamoDB
8 7 (5.38%) Amazon RDS
9 6 (4.62%) RDBMS
10 4 (3.08%) Redis
11 3 (2.31%) Amazon Redshift
12 2 (1.54%) Informix
12 2 (1.54%) SQL Server 2014
12 2 (1.54%) SQL Server Integration Services
13 1 (0.77%) BigQuery
Development Applications
1 21 (16.15%) GitLab
2 11 (8.46%) Jenkins
3 10 (7.69%) Git (software)
4 9 (6.92%) PowerBuilder
5 8 (6.15%) Visual Studio
6 6 (4.62%) MSI
6 6 (4.62%) WiX
7 5 (3.85%) JIRA
8 4 (3.08%) CocoaPods
8 4 (3.08%) SonarQube
8 4 (3.08%) Xcode
9 3 (2.31%) Artifactory
9 3 (2.31%) git-flow
10 2 (1.54%) SQL Server Management Studio (SSMS)
10 2 (1.54%) Subversion
10 2 (1.54%) Team Foundation Server
11 1 (0.77%) Axure RP
11 1 (0.77%) Cucumber
11 1 (0.77%) Selenium
11 1 (0.77%) WebDriver
General
1 31 (23.85%) Finance
2 4 (3.08%) Retail
3 1 (0.77%) Banking
3 1 (0.77%) Front Office
3 1 (0.77%) Games
3 1 (0.77%) Investment Banking
Job Titles
1 63 (48.46%) Developer
2 42 (32.31%) Software Engineer
3 21 (16.15%) Senior Developer
4 18 (13.85%) Principal Engineer
4 18 (13.85%) Principal Software Engineer
5 17 (13.08%) Python Developer
6 16 (12.31%) Java Engineer
7 14 (10.77%) AWS Engineer
7 14 (10.77%) Developer/Software Engineer
8 13 (10.00%) Backend Developer
9 12 (9.23%) Full Stack Developer
10 11 (8.46%) Software Developer
11 10 (7.69%) Platform Engineer
11 10 (7.69%) Senior Full Stack Developer
12 9 (6.92%) .NET Developer
12 9 (6.92%) Android Engineer
13 8 (6.15%) Programmer
13 8 (6.15%) Python Engineer
14 7 (5.38%) C# .NET Developer
14 7 (5.38%) C# WPF Developer
Libraries, Frameworks & Software Standards
1 52 (40.00%) .NET
2 37 (28.46%) Kafka
3 28 (21.54%) Node.js
4 27 (20.77%) .NET Core
4 27 (20.77%) React
5 26 (20.00%) Spring
6 24 (18.46%) REST
7 23 (17.69%) .NET Framework
8 20 (15.38%) Web Services
9 18 (13.85%) CSS
9 18 (13.85%) HTML
10 17 (13.08%) Hibernate
11 16 (12.31%) RabbitMQ
11 16 (12.31%) Vue.js
12 15 (11.54%) AngularJS
13 12 (9.23%) Django
13 12 (9.23%) Ruby on Rails
14 11 (8.46%) RESTful
15 10 (7.69%) Spring Boot
16 9 (6.92%) gRPC
Miscellaneous
1 16 (12.31%) Virtual Team
2 12 (9.23%) User Experience
3 7 (5.38%) Self-Motivation
4 6 (4.62%) Client/Server
4 6 (4.62%) Mobile App
4 6 (4.62%) Web 2.0
5 5 (3.85%) Greenfield Project
6 4 (3.08%) Analytical Skills
7 3 (2.31%) Blog
7 3 (2.31%) Cloud Native
7 3 (2.31%) Derivative
7 3 (2.31%) iPad
7 3 (2.31%) iPhone
8 2 (1.54%) Data Centre
8 2 (1.54%) N-Tier
9 1 (0.77%) 3D Graphics
9 1 (0.77%) Augmented Reality
9 1 (0.77%) Fixed Income
9 1 (0.77%) Life Science
9 1 (0.77%) Linux Command Line
Operating Systems
1 21 (16.15%) Android
2 16 (12.31%) Apple iOS
3 11 (8.46%) Unix
4 7 (5.38%) Windows
5 6 (4.62%) Linux
6 1 (0.77%) Debian
6 1 (0.77%) Mac OS X
Processes & Methodologies
1 84 (64.62%) Agile Software Development
2 67 (51.54%) TDD
3 64 (49.23%) Microservices
4 53 (40.77%) Software Engineering
5 43 (33.08%) Pair Programming
6 40 (30.77%) Problem-Solving
7 37 (28.46%) Continuous Integration
8 33 (25.38%) Test Automation
9 31 (23.85%) Domain-Driven Design
10 30 (23.08%) Continuous Delivery
11 26 (20.00%) BDD
11 26 (20.00%) DevOps
12 24 (18.46%) OO
13 22 (16.92%) Scrum
14 20 (15.38%) Android Development
15 19 (14.62%) Infrastructure as Code
16 18 (13.85%) Technical Leadership
17 17 (13.08%) Architectural Design
17 17 (13.08%) SOA
18 15 (11.54%) Unit Testing
Programming Languages
1 47 (36.15%) Java
1 47 (36.15%) Python
2 43 (33.08%) SQL
3 40 (30.77%) JavaScript
4 29 (22.31%) C#
5 27 (20.77%) Kotlin
6 24 (18.46%) Go
7 16 (12.31%) C++
8 14 (10.77%) TypeScript
9 12 (9.23%) Apple Swift
9 12 (9.23%) Ruby
10 9 (6.92%) C
10 9 (6.92%) T-SQL
11 8 (6.15%) Objective-C
12 7 (5.38%) PHP
13 4 (3.08%) R
14 2 (1.54%) Bash Shell
14 2 (1.54%) Scala
14 2 (1.54%) Shell Script
15 1 (0.77%) Perl
Qualifications
1 16 (12.31%) Degree
2 9 (6.92%) Computer Science Degree
3 1 (0.77%) Numerate Degree
Quality Assurance & Compliance
1 24 (18.46%) QA
System Software
1 43 (33.08%) Docker
Systems Management
1 38 (29.23%) Kubernetes
2 4 (3.08%) Terraform
3 3 (2.31%) Grafana
3 3 (2.31%) Istio
3 3 (2.31%) Prometheus
3 3 (2.31%) Zipkin
Vendors
1 4 (3.08%) Microsoft
2 3 (2.31%) Apple
2 3 (2.31%) Google
2 3 (2.31%) Oracle
2 3 (2.31%) PagerDuty
3 1 (0.77%) MuleSoft
3 1 (0.77%) VMware