Period
to 16 August 2018

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 16 August 2018 with a comparison to the same period in the previous 2 years.

Refactoring
England > London
6 months to
16 Aug 2018
Same period 2017 Same period 2016
Rank 451 470 505
Rank change year-on-year +19 +35 -36
Permanent jobs citing Refactoring 420 450 413
As % of all permanent IT jobs advertised in London 0.61% 0.61% 0.51%
As % of the Processes & Methodologies category 0.66% 0.66% 0.55%
Number of salaries quoted 270 258 354
London median annual salary £62,500 £64,000 £65,000
Median salary % change year-on-year -2.34% -1.54% +8.33%
10th Percentile £47,375 £42,500 £42,500
90th Percentile £92,500 £100,000 £92,500
England median annual salary £55,000 £50,000 £50,000
% change year-on-year +10.00% - -4.76%

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 63,539 68,492 74,628
As % of all permanent IT jobs advertised in London 91.75% 92.59% 92.13%
Number of salaries quoted 50,775 53,274 64,540
London median annual salary £61,000 £60,000 £57,500
Median salary % change year-on-year +1.67% +4.35% +4.55%
10th Percentile £35,000 £35,000 £33,500
90th Percentile £93,750 £90,000 £87,500
England median annual salary £50,000 £50,000 £50,000

Refactoring
Job Vacancy Trend in London

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

Job vacancy trend for Refactoring in London

Refactoring
Salary Trend in London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Refactoring in London.

Salary trend for Refactoring in London

Refactoring
Salary Histogram in London

The salary distribution of IT jobs citing Refactoring in London over the 6 months to 16 August 2018.

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 16 August 2018. 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 +25 109 £60,000 +4.35% 15
South London +3 10 £50,000 - 1
West London +21 3 £60,000 +11.63% 6
North London +4 3 £60,000 +17.07%
East London - 2 £61,250 - 4
Refactoring
England

For the 6 months to 16 August 2018, 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.

1 288 (68.57%) Agile Software Development
2 242 (57.62%) SQL
3 236 (56.19%) JavaScript
4 209 (49.76%) TDD
5 195 (46.43%) CSS
6 190 (45.24%) HTML
7 187 (44.52%) Software Engineering
8 181 (43.10%) .NET
9 158 (37.62%) Git (software)
10 157 (37.38%) Java
11 152 (36.19%) jQuery
12 147 (35.00%) AngularJS
13 146 (34.76%) MongoDB
14 141 (33.57%) Problem-Solving
15 136 (32.38%) BDD
16 135 (32.14%) Microsoft Azure
16 135 (32.14%) Amazon AWS
17 134 (31.90%) Microservices
18 131 (31.19%) Selenium
19 130 (30.95%) C#
20 125 (29.76%) Degree
21 122 (29.05%) Finance
22 121 (28.81%) NoSQL
23 120 (28.57%) HTML5
23 120 (28.57%) MVC
24 118 (28.10%) CSS3
25 117 (27.86%) ASP.NET
26 113 (26.90%) Continuous Integration
27 107 (25.48%) TeamCity
28 106 (25.24%) Continuous Improvement

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
1 101 (24.05%) CMS
2 76 (18.10%) EPiServer
3 40 (9.52%) Sitecore CMS
4 16 (3.81%) Apache Spark
5 15 (3.57%) Apache
6 13 (3.10%) Ethereum
7 11 (2.62%) Hyperledger
7 11 (2.62%) IIS
8 9 (2.14%) WebLogic
9 8 (1.90%) Elasticsearch
10 6 (1.43%) Oracle SOA Suite
11 5 (1.19%) SharePoint
12 4 (0.95%) Oracle Service Bus
12 4 (0.95%) WordPress
13 2 (0.48%) Anypoint
14 1 (0.24%) Apache Solr
14 1 (0.24%) Confluence
14 1 (0.24%) Jetty
14 1 (0.24%) OpenStack
14 1 (0.24%) Tomcat
Applications
1 7 (1.67%) Adobe Illustrator
1 7 (1.67%) Photoshop
2 1 (0.24%) Microsoft Excel
2 1 (0.24%) Microsoft Office
2 1 (0.24%) Spreadsheet
Business Applications
1 40 (9.52%) Eloqua
2 10 (2.38%) Magento
3 5 (1.19%) Dynamics CRM
4 3 (0.71%) Dynamics AX
4 3 (0.71%) Dynamics NAV
5 2 (0.48%) Distributed Ledger
Cloud Services
1 135 (32.14%) Amazon AWS
1 135 (32.14%) Microsoft Azure
2 85 (20.24%) npm
3 51 (12.14%) GitHub
4 19 (4.52%) Cloud Computing
5 10 (2.38%) CodePlex
6 7 (1.67%) Google Play
7 5 (1.19%) Heroku
7 5 (1.19%) Office 365
8 4 (0.95%) AWS CodePipeline
8 4 (0.95%) AWS Lambda
8 4 (0.95%) Serverless
9 3 (0.71%) BrowserStack
9 3 (0.71%) Slack
10 2 (0.48%) Trello
11 1 (0.24%) Google Cloud Platform
11 1 (0.24%) PaaS
11 1 (0.24%) SaaS
Communications & Networking
1 9 (2.14%) Internet
2 5 (1.19%) SMTP
2 5 (1.19%) Wi-Fi
2 5 (1.19%) Wireless
3 3 (0.71%) HTTP
Database & Business Intelligence
1 146 (34.76%) MongoDB
2 121 (28.81%) NoSQL
3 75 (17.86%) SQL Server
4 63 (15.00%) MySQL
5 44 (10.48%) Couchbase
6 35 (8.33%) CouchDB
7 31 (7.38%) Redis
8 21 (5.00%) PostgreSQL
9 19 (4.52%) Big Data
10 17 (4.05%) Hadoop
11 16 (3.81%) Apache Cassandra
11 16 (3.81%) Blockchain
12 13 (3.10%) Apache Hive
12 13 (3.10%) HBase
12 13 (3.10%) Impala
13 8 (1.90%) Oracle Database
14 7 (1.67%) SQL Server Integration Services
15 6 (1.43%) Neo4j
16 5 (1.19%) SQL Server 2016
17 4 (0.95%) Relational Database
Development Applications
1 158 (37.62%) Git (software)
2 131 (31.19%) Selenium
3 107 (25.48%) TeamCity
4 95 (22.62%) Mocha
5 90 (21.43%) Team Foundation Server
6 89 (21.19%) gulp
7 87 (20.71%) Protractor
8 84 (20.00%) Octopus Deploy
9 78 (18.57%) Karma Test Runner
9 78 (18.57%) Sinon.JS
10 77 (18.33%) Visual Studio
11 75 (17.86%) Bower
12 65 (15.48%) Jenkins
13 57 (13.57%) JUnit
14 44 (10.48%) webpack
15 35 (8.33%) Maven
16 26 (6.19%) JIRA
17 20 (4.76%) JMeter
17 20 (4.76%) RSpec
18 16 (3.81%) Subversion
General
1 122 (29.05%) Finance
2 53 (12.62%) Marketing
3 42 (10.00%) Advertising
4 34 (8.10%) Banking
5 32 (7.62%) Retail
6 29 (6.90%) Games
7 26 (6.19%) Telecoms
8 12 (2.86%) Pharmaceutical
9 10 (2.38%) Back Office
9 10 (2.38%) Financial Institution
10 9 (2.14%) Investment Banking
11 6 (1.43%) Online Betting
11 6 (1.43%) Publishing
12 5 (1.19%) Front Office
13 3 (0.71%) Multimedia
14 2 (0.48%) Law
15 1 (0.24%) Electronics
15 1 (0.24%) Manufacturing
Job Titles
1 307 (73.10%) Developer
2 113 (26.90%) .NET Developer
3 77 (18.33%) C# Developer
4 66 (15.71%) ASP.NET Developer
5 64 (15.24%) Java Developer
6 52 (12.38%) Senior Developer
6 52 (12.38%) Software Engineer
7 50 (11.90%) Full Stack Developer
8 47 (11.19%) C# .NET Developer
9 44 (10.48%) C# ASP.NET Developer
10 30 (7.14%) Senior Software Engineer
11 29 (6.90%) Java Engineer
12 27 (6.43%) JavaScript Developer
12 27 (6.43%) Web Developer
13 26 (6.19%) ASP.NET MVC Developer
14 24 (5.71%) Java Software Engineer
14 24 (5.71%) Ruby Developer
15 23 (5.48%) Senior Java Engineer
15 23 (5.48%) Senior Java Software Engineer
16 21 (5.00%) .NET Web Developer
Libraries, Frameworks & Software Standards
1 195 (46.43%) CSS
2 190 (45.24%) HTML
3 181 (43.10%) .NET
4 152 (36.19%) jQuery
5 147 (35.00%) AngularJS
6 120 (28.57%) HTML5
7 118 (28.10%) CSS3
8 117 (27.86%) ASP.NET
9 105 (25.00%) RESTful
10 96 (22.86%) Sass
11 91 (21.67%) Twitter Bootstrap
12 85 (20.24%) Backbone.js
12 85 (20.24%) Gherkin
13 84 (20.00%) LESS
14 81 (19.29%) React
15 78 (18.57%) Chai
15 78 (18.57%) Ember.js
16 75 (17.86%) MEAN Stack
17 67 (15.95%) Spring
18 61 (14.52%) Node.js
Miscellaneous
1 66 (15.71%) User Experience
2 49 (11.67%) Mobile App
3 45 (10.71%) Greenfield Project
4 43 (10.24%) Computer Science
5 42 (10.00%) Cloud Native
6 25 (5.95%) Algorithms
7 22 (5.24%) Data Structures
8 17 (4.05%) Analytical Skills
8 17 (4.05%) Fintech
8 17 (4.05%) Virtual Team
9 15 (3.57%) Linux Command Line
10 13 (3.10%) Online Games
11 12 (2.86%) Bitcoin
11 12 (2.86%) Life Science
12 10 (2.38%) Enterprise Software
12 10 (2.38%) Fixed Income
12 10 (2.38%) Foreign Exchange (FX)
13 9 (2.14%) Equities
13 9 (2.14%) Self-Motivation
14 7 (1.67%) Hedge funds
Operating Systems
1 44 (10.48%) Android
1 44 (10.48%) Windows
2 42 (10.00%) Linux
3 34 (8.10%) Apple iOS
4 16 (3.81%) Unix
5 1 (0.24%) Embedded Linux
Processes & Methodologies
1 288 (68.57%) Agile Software Development
2 209 (49.76%) TDD
3 187 (44.52%) Software Engineering
4 141 (33.57%) Problem-Solving
5 136 (32.38%) BDD
6 134 (31.90%) Microservices
7 120 (28.57%) MVC
8 113 (26.90%) Continuous Integration
9 106 (25.24%) Continuous Improvement
9 106 (25.24%) DevOps
10 91 (21.67%) Data Science
10 91 (21.67%) Responsive Web Design
11 88 (20.95%) Web Application Development
12 82 (19.52%) Progressive Web App
13 79 (18.81%) Analytics
14 75 (17.86%) Performance Management
15 72 (17.14%) Test Automation
16 68 (16.19%) Pair Programming
17 66 (15.71%) OO
18 65 (15.48%) E-Commerce
Programming Languages
1 242 (57.62%) SQL
2 236 (56.19%) JavaScript
3 157 (37.38%) Java
4 130 (30.95%) C#
5 56 (13.33%) Ruby
6 48 (11.43%) Python
7 25 (5.95%) Java 8
8 24 (5.71%) Scala
9 19 (4.52%) PHP
10 17 (4.05%) PL/SQL
11 16 (3.81%) PowerShell
12 15 (3.57%) Bash Shell
13 14 (3.33%) C++
14 13 (3.10%) Clojure
14 13 (3.10%) VB.NET
15 11 (2.62%) Kotlin
15 11 (2.62%) Solidity
16 10 (2.38%) Elixir
17 8 (1.90%) ES6
18 6 (1.43%) Go
Qualifications
1 125 (29.76%) Degree
2 40 (9.52%) SAFe Agilist
3 23 (5.48%) Computer Science Degree
4 5 (1.19%) Master's Degree
4 5 (1.19%) Security Cleared
5 4 (0.95%) Numerate Degree
5 4 (0.95%) SC Cleared
6 3 (0.71%) MCSA
6 3 (0.71%) MCSE
6 3 (0.71%) Microsoft Certification
7 1 (0.24%) ISTQB
7 1 (0.24%) PhD
Quality Assurance & Compliance
1 31 (7.38%) QA
System Software
1 45 (10.71%) Docker
2 14 (3.33%) HDFS
3 3 (0.71%) Virtual Machines
4 2 (0.48%) Firmware
Systems Management
1 18 (4.29%) Kubernetes
2 11 (2.62%) Ansible
3 7 (1.67%) Graphite
3 7 (1.67%) logstash
4 3 (0.71%) Docker Swarm
4 3 (0.71%) Failover Clustering
4 3 (0.71%) Microsoft Clustering
5 2 (0.48%) Puppet
6 1 (0.24%) Apache Shiro
6 1 (0.24%) Business Desktop Deployment
6 1 (0.24%) MOM
6 1 (0.24%) Single Sign-On
Vendors
1 44 (10.48%) Sitecore
2 40 (9.52%) Marketo
3 29 (6.90%) Alias
4 23 (5.48%) Oracle
5 22 (5.24%) Capita
6 14 (3.33%) Microsoft
6 14 (3.33%) Xamarin
7 12 (2.86%) Cloudera
7 12 (2.86%) Hortonworks
7 12 (2.86%) MapR
8 10 (2.38%) Demandware
8 10 (2.38%) TOWER Software
9 8 (1.90%) Google
10 4 (0.95%) CA Agile Central
10 4 (0.95%) Salesforce.com
11 3 (0.71%) MuleSoft
12 2 (0.48%) RedGate
13 1 (0.24%) Bloomberg
13 1 (0.24%) DevExpress
13 1 (0.24%) TIBCO