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

Refactoring
England > London
6 months to
16 Nov 2018
Same period 2017 Same period 2016
Rank 398 404 569
Rank change year-on-year +6 +165 -65
Permanent jobs citing Refactoring 488 551 303
As % of all permanent IT jobs advertised in London 0.73% 0.73% 0.40%
As % of the Processes & Methodologies category 0.79% 0.79% 0.43%
Number of salaries quoted 354 329 265
London median annual salary £65,000 £64,000 £65,000
Median salary % change year-on-year +1.56% -1.54% +8.33%
10th Percentile £47,500 £42,500 £39,450
90th Percentile £105,000 £87,500 £100,000
England median annual salary £60,000 £55,000 £50,000
% change year-on-year +9.09% +10.00% -9.09%

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 61,604 70,122 70,077
As % of all permanent IT jobs advertised in London 91.62% 92.80% 91.91%
Number of salaries quoted 49,799 54,017 60,336
London median annual salary £62,500 £60,000 £57,500
Median salary % change year-on-year +4.17% +4.35% +4.55%
10th Percentile £35,000 £35,000 £33,250
90th Percentile £95,000 £90,000 £87,875
England median annual salary £52,500 £50,000 £50,000
% change year-on-year +5.00% - +5.26%

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 November 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 November 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 +9 106 £60,000 - 22
South London +1 12 £72,500 +141.67% 2
West London +25 5 £60,000 -7.69% 8
East London -7 2 £66,250 +6.00% 3
Refactoring
England

For the 6 months to 16 November 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.

1 311 (63.73%) Agile Software Development
2 251 (51.43%) SQL
3 236 (48.36%) JavaScript
4 217 (44.47%) TDD
5 205 (42.01%) HTML
6 195 (39.96%) CSS
7 191 (39.14%) .NET
8 187 (38.32%) Software Engineering
9 171 (35.04%) Java
9 171 (35.04%) Microservices
10 165 (33.81%) BDD
11 163 (33.40%) Finance
12 155 (31.76%) Git (software)
13 151 (30.94%) jQuery
13 151 (30.94%) Problem-Solving
14 149 (30.53%) AngularJS
14 149 (30.53%) C#
15 145 (29.71%) ASP.NET
16 143 (29.30%) Amazon AWS
17 135 (27.66%) MongoDB
18 132 (27.05%) HTML5
19 125 (25.61%) Continuous Integration
20 121 (24.80%) MVC
21 118 (24.18%) Degree
21 118 (24.18%) Microsoft Azure
22 115 (23.57%) DevOps
23 107 (21.93%) TeamCity
24 106 (21.72%) NoSQL
25 105 (21.52%) CSS3
25 105 (21.52%) RESTful

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 75 (15.37%) CMS
2 70 (14.34%) EPiServer
3 37 (7.58%) Sitecore CMS
4 22 (4.51%) Apache
5 20 (4.10%) Apache Spark
6 12 (2.46%) Elasticsearch
6 12 (2.46%) IIS
7 8 (1.64%) WebLogic
8 5 (1.02%) WordPress
9 4 (0.82%) Cloud Foundry
9 4 (0.82%) Confluence
10 2 (0.41%) SharePoint
11 1 (0.20%) Adobe Experience Manager
11 1 (0.20%) Apache Airflow
11 1 (0.20%) Apache Solr
11 1 (0.20%) JBoss
11 1 (0.20%) OpenStack
11 1 (0.20%) Oracle SOA Suite
11 1 (0.20%) Umbraco
Applications
1 10 (2.05%) Photoshop
2 7 (1.43%) Adobe Illustrator
3 3 (0.61%) Adobe Creative Suite
4 2 (0.41%) Microsoft Excel
4 2 (0.41%) Microsoft Office
4 2 (0.41%) Spreadsheet
5 1 (0.20%) Chatbot
Business Applications
1 35 (7.17%) Eloqua
2 4 (0.82%) Dynamics CRM
3 3 (0.61%) Dynamics AX
3 3 (0.61%) Dynamics NAV
Cloud Services
1 143 (29.30%) Amazon AWS
2 118 (24.18%) Microsoft Azure
3 78 (15.98%) npm
4 25 (5.12%) Google Cloud Platform
4 25 (5.12%) SaaS
5 20 (4.10%) GitHub
5 20 (4.10%) Serverless
6 17 (3.48%) PaaS
7 11 (2.25%) IaaS
8 8 (1.64%) Heroku
9 7 (1.43%) AWS Lambda
9 7 (1.43%) Google Play
10 6 (1.23%) Cloud Computing
11 4 (0.82%) OpenShift
12 3 (0.61%) BrowserStack
13 2 (0.41%) Office 365
13 2 (0.41%) Slack
14 1 (0.20%) Amazon S3
14 1 (0.20%) Amazon SQS
Communications & Networking
1 12 (2.46%) Internet
2 8 (1.64%) HTTP
3 6 (1.23%) ATM
4 3 (0.61%) DSL
5 2 (0.41%) SMTP
5 2 (0.41%) TCP/IP
5 2 (0.41%) Wi-Fi
5 2 (0.41%) Wireless
6 1 (0.20%) BIG-IP
6 1 (0.20%) DNS
6 1 (0.20%) SSH
6 1 (0.20%) SSL
Database & Business Intelligence
1 135 (27.66%) MongoDB
2 106 (21.72%) NoSQL
3 67 (13.73%) SQL Server
4 62 (12.70%) MySQL
5 46 (9.43%) Couchbase
6 35 (7.17%) CouchDB
7 24 (4.92%) Apache Cassandra
7 24 (4.92%) Big Data
7 24 (4.92%) Redis
8 20 (4.10%) Hadoop
9 16 (3.28%) Apache Hive
9 16 (3.28%) HBase
9 16 (3.28%) Impala
10 14 (2.87%) Relational Database
11 10 (2.05%) SQL Server Integration Services
12 8 (1.64%) PostgreSQL
13 7 (1.43%) Data Warehouse
13 7 (1.43%) Oracle Database
14 6 (1.23%) Neo4j
14 6 (1.23%) SQL Server 2016
Development Applications
1 155 (31.76%) Git (software)
2 107 (21.93%) TeamCity
3 102 (20.90%) Selenium
4 85 (17.42%) gulp
5 83 (17.01%) Team Foundation Server
6 79 (16.19%) Octopus Deploy
6 79 (16.19%) Protractor
7 71 (14.55%) Mocha
8 70 (14.34%) Bower
8 70 (14.34%) Karma Test Runner
8 70 (14.34%) Sinon.JS
8 70 (14.34%) Visual Studio
9 58 (11.89%) Jenkins
10 45 (9.22%) JUnit
11 43 (8.81%) webpack
12 39 (7.99%) JIRA
13 26 (5.33%) Maven
14 23 (4.71%) Atlassian Bamboo
15 15 (3.07%) SpecFlow
16 14 (2.87%) Artifactory
General
1 163 (33.40%) Finance
2 53 (10.86%) Marketing
3 38 (7.79%) Advertising
4 34 (6.97%) Banking
5 32 (6.56%) Retail
6 21 (4.30%) Games
7 15 (3.07%) Financial Institution
7 15 (3.07%) Front Office
7 15 (3.07%) Telecoms
8 14 (2.87%) Pharmaceutical
9 10 (2.05%) Investment Banking
10 9 (1.84%) Back Office
11 8 (1.64%) Electronics
11 8 (1.64%) Manufacturing
12 7 (1.43%) Publishing
13 4 (0.82%) Legal
14 1 (0.20%) French Language
14 1 (0.20%) German Language
14 1 (0.20%) Multimedia
Job Titles
1 379 (77.66%) Developer
2 97 (19.88%) .NET Developer
3 84 (17.21%) Java Developer
4 73 (14.96%) C# Developer
5 69 (14.14%) Full Stack Developer
6 57 (11.68%) ASP.NET Developer
7 51 (10.45%) Senior Developer
8 38 (7.79%) Architect
9 37 (7.58%) Software Engineer
10 29 (5.94%) C# .NET Developer
11 25 (5.12%) Java Engineer
12 24 (4.92%) C# ASP.NET Developer
12 24 (4.92%) Front End Developer (Client-Side Developer)
12 24 (4.92%) Ruby on Rails Developer
12 24 (4.92%) Senior Java Developer
13 23 (4.71%) React Developer
14 22 (4.51%) Agile Developer
14 22 (4.51%) Agile Java Developer
14 22 (4.51%) Lead Developer
14 22 (4.51%) Software Developer
Libraries, Frameworks & Software Standards
1 205 (42.01%) HTML
2 195 (39.96%) CSS
3 191 (39.14%) .NET
4 151 (30.94%) jQuery
5 149 (30.53%) AngularJS
6 145 (29.71%) ASP.NET
7 132 (27.05%) HTML5
8 105 (21.52%) CSS3
8 105 (21.52%) RESTful
9 90 (18.44%) Sass
10 89 (18.24%) Twitter Bootstrap
11 88 (18.03%) React
12 75 (15.37%) Backbone.js
13 74 (15.16%) Gherkin
13 74 (15.16%) LESS
14 73 (14.96%) Web Services
15 71 (14.55%) Ember.js
16 70 (14.34%) Chai
16 70 (14.34%) MEAN Stack
17 65 (13.32%) Spring
Miscellaneous
1 66 (13.52%) User Experience
2 54 (11.07%) Greenfield Project
3 45 (9.22%) Computer Science
4 40 (8.20%) Cloud Native
5 30 (6.15%) Fintech
6 29 (5.94%) Mobile App
7 28 (5.74%) Analytical Skills
8 25 (5.12%) Algorithms
8 25 (5.12%) Data Structures
9 24 (4.92%) Fixed Income
10 23 (4.71%) Equities
11 22 (4.51%) Hedge funds
12 17 (3.48%) Public Cloud
12 17 (3.48%) Virtual Team
13 16 (3.28%) Enterprise Software
14 15 (3.07%) Life Science
15 11 (2.25%) Foreign Exchange (FX)
16 10 (2.05%) Reinsurance
17 8 (1.64%) Blog
17 8 (1.64%) Self-Motivation
Operating Systems
1 63 (12.91%) Windows
2 48 (9.84%) Linux
3 41 (8.40%) Android
4 35 (7.17%) Apple iOS
5 34 (6.97%) Unix
6 3 (0.61%) CentOS
6 3 (0.61%) Fedora
6 3 (0.61%) Mac OS
7 1 (0.20%) DC/OS
7 1 (0.20%) Solaris
7 1 (0.20%) SUSE
7 1 (0.20%) SUSE Linux Enterprise Server
Processes & Methodologies
1 311 (63.73%) Agile Software Development
2 217 (44.47%) TDD
3 187 (38.32%) Software Engineering
4 171 (35.04%) Microservices
5 165 (33.81%) BDD
6 151 (30.94%) Problem-Solving
7 125 (25.61%) Continuous Integration
8 121 (24.80%) MVC
9 115 (23.57%) DevOps
10 95 (19.47%) Continuous Improvement
11 92 (18.85%) Data Science
12 90 (18.44%) Analytics
12 90 (18.44%) OO
13 80 (16.39%) Web Application Development
14 79 (16.19%) Responsive Web Design
15 72 (14.75%) Progressive Web App
16 71 (14.55%) Pair Programming
16 71 (14.55%) Test Automation
17 70 (14.34%) Performance Management
18 66 (13.52%) Unit Testing
Programming Languages
1 251 (51.43%) SQL
2 236 (48.36%) JavaScript
3 171 (35.04%) Java
4 149 (30.53%) C#
5 85 (17.42%) Python
6 41 (8.40%) Ruby
7 32 (6.56%) PHP
8 30 (6.15%) Go
9 28 (5.74%) Java 8
10 26 (5.33%) Scala
11 24 (4.92%) C++
12 15 (3.07%) PL/SQL
12 15 (3.07%) R
13 14 (2.87%) MATLAB
13 14 (2.87%) PowerShell
13 14 (2.87%) T-SQL
14 13 (2.66%) VB.NET
15 12 (2.46%) C
16 11 (2.25%) Elixir
17 10 (2.05%) ES6
Qualifications
1 118 (24.18%) Degree
2 35 (7.17%) SAFe Agilist
3 23 (4.71%) Computer Science Degree
4 13 (2.66%) AWS Certification
5 5 (1.02%) MCSA
5 5 (1.02%) MCSE
5 5 (1.02%) Microsoft Certification
6 3 (0.61%) Numerate Degree
6 3 (0.61%) PRINCE2 Certification
7 2 (0.41%) Master's Degree
8 1 (0.20%) PhD
8 1 (0.20%) Security Cleared
Quality Assurance & Compliance
1 38 (7.79%) QA
System Software
1 31 (6.35%) Docker
2 17 (3.48%) HDFS
3 3 (0.61%) GlusterFS
4 2 (0.41%) Firmware
Systems Management
1 23 (4.71%) Puppet
2 20 (4.10%) Kubernetes
3 19 (3.89%) Ansible
4 9 (1.84%) logstash
5 7 (1.43%) Graphite
6 5 (1.02%) Failover Clustering
6 5 (1.02%) Microsoft Clustering
6 5 (1.02%) Opscode Chef
7 4 (0.82%) Docker Swarm
8 3 (0.61%) Terraform
9 2 (0.41%) Kibana
10 1 (0.20%) Apache Brooklyn
10 1 (0.20%) Apache Shiro
10 1 (0.20%) CFEngine
10 1 (0.20%) Marathon
10 1 (0.20%) Mesos
10 1 (0.20%) Single Sign-On
Vendors
1 37 (7.58%) Sitecore
2 35 (7.17%) Marketo
3 32 (6.56%) Alias
4 29 (5.94%) Google
4 29 (5.94%) Microsoft
4 29 (5.94%) Oracle
5 15 (3.07%) Cloudera
5 15 (3.07%) Hortonworks
5 15 (3.07%) MapR
6 12 (2.46%) Xamarin
7 10 (2.05%) TOWER Software
8 8 (1.64%) SAP
9 5 (1.02%) Zend
10 4 (0.82%) Adobe
10 4 (0.82%) Cognizant
10 4 (0.82%) Red Hat
11 2 (0.41%) Bloomberg
11 2 (0.41%) Tableau
12 1 (0.20%) F5
12 1 (0.20%) RedGate