Period
to 26 May 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 26 May 2018 with a comparison to the same period in the previous 2 years.

Refactoring
England > London
6 months to
26 May 2018
Same period 2017 Same period 2016
Rank 496 537 538
Rank change year-on-year +41 +1 -75
Permanent jobs citing Refactoring 372 293 389
As % of all permanent IT jobs advertised in London 0.53% 0.43% 0.47%
As % of the Processes & Methodologies category 0.58% 0.47% 0.52%
Number of salaries quoted 224 231 338
London median annual salary £60,000 £65,000 £63,750
Median salary % change year-on-year -7.69% +1.96% +6.25%
10th Percentile £37,500 £41,250 £45,000
90th Percentile £90,000 £100,000 £84,125
England median annual salary £55,000 £50,000 £50,000
% change year-on-year +10.00% - -

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 64,027 62,974 75,013
As % of all permanent IT jobs advertised in London 91.64% 91.45% 91.15%
Number of salaries quoted 51,628 52,211 64,424
London median annual salary £60,000 £60,000 £55,000
Median salary % change year-on-year - +9.09% -
10th Percentile £35,750 £34,500 £33,250
90th Percentile £93,750 £90,000 £86,250
England median annual salary £50,000 £50,000 £48,000
% change year-on-year - +4.17% +1.05%

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 26 May 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 26 May 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 +4 81 £65,000 +4.00% 13
South London 0 11 £30,000 -40.00%
West London +22 6 £60,000 -7.69% 12
East London - 4 £50,000 - 3
North London +4 3 £60,000 -7.69%
Refactoring
England

For the 6 months to 26 May 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.

1 278 (74.73%) Agile Software Development
2 210 (56.45%) TDD
3 209 (56.18%) JavaScript
4 163 (43.82%) SQL
5 162 (43.55%) HTML
6 160 (43.01%) .NET
7 159 (42.74%) CSS
8 153 (41.13%) Software Engineering
9 152 (40.86%) Git (software)
10 140 (37.63%) BDD
11 138 (37.10%) Java
12 126 (33.87%) jQuery
12 126 (33.87%) Amazon AWS
13 123 (33.06%) Microsoft Azure
13 123 (33.06%) Microservices
14 120 (32.26%) AngularJS
15 117 (31.45%) Selenium
16 116 (31.18%) MVC
17 111 (29.84%) C#
18 107 (28.76%) NoSQL
18 107 (28.76%) CSS3
19 106 (28.49%) Continuous Integration
20 104 (27.96%) DevOps
21 100 (26.88%) MongoDB
21 100 (26.88%) HTML5
22 93 (25.00%) RESTful
22 93 (25.00%) Sass
23 91 (24.46%) Finance
23 91 (24.46%) CMS
24 88 (23.66%) ASP.NET

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 91 (24.46%) CMS
2 59 (15.86%) EPiServer
3 33 (8.87%) Sitecore CMS
4 18 (4.84%) Ethereum
5 16 (4.30%) Hyperledger
6 14 (3.76%) WordPress
7 10 (2.69%) Oracle SOA Suite
8 6 (1.61%) Elasticsearch
9 4 (1.08%) Anypoint
9 4 (1.08%) Apache
9 4 (1.08%) Oracle Service Bus
9 4 (1.08%) SharePoint
10 2 (0.54%) IIS
10 2 (0.54%) WebLogic
10 2 (0.54%) WebSphere
11 1 (0.27%) Apache Solr
11 1 (0.27%) Documentum
11 1 (0.27%) JBoss
11 1 (0.27%) Jetty
11 1 (0.27%) Tomcat
Applications
1 11 (2.96%) Adobe Creative Suite
1 11 (2.96%) Photoshop
Business Applications
1 33 (8.87%) Eloqua
2 11 (2.96%) Magento
3 4 (1.08%) Distributed Ledger
4 3 (0.81%) Dynamics CRM
4 3 (0.81%) Payment Gateway
5 2 (0.54%) Shopify
6 1 (0.27%) Beauchamp
6 1 (0.27%) Dynamics AX
6 1 (0.27%) Dynamics NAV
Cloud Services
1 126 (33.87%) Amazon AWS
2 123 (33.06%) Microsoft Azure
3 65 (17.47%) npm
4 52 (13.98%) GitHub
5 19 (5.11%) Cloud Computing
6 12 (3.23%) SaaS
7 11 (2.96%) CodePlex
8 5 (1.34%) Amazon S3
9 4 (1.08%) Office 365
9 4 (1.08%) Slack
9 4 (1.08%) Trello
10 2 (0.54%) Heroku
11 1 (0.27%) PaaS
Communications & Networking
1 24 (6.45%) Internet
2 6 (1.61%) SMTP
3 4 (1.08%) ATM
3 4 (1.08%) Wi-Fi
3 4 (1.08%) Wireless
4 1 (0.27%) Firewall
Database & Business Intelligence
1 107 (28.76%) NoSQL
2 100 (26.88%) MongoDB
3 83 (22.31%) SQL Server
4 64 (17.20%) MySQL
5 46 (12.37%) Couchbase
6 24 (6.45%) PostgreSQL
7 22 (5.91%) Blockchain
7 22 (5.91%) Redis
8 12 (3.23%) CouchDB
9 8 (2.15%) Oracle Database
10 6 (1.61%) SQL Server 2014
10 6 (1.61%) SQL Server Integration Services
11 5 (1.34%) SQL Server Analysis Services
12 4 (1.08%) Apache Cassandra
13 3 (0.81%) Amazon DynamoDB
13 3 (0.81%) MariaDB
13 3 (0.81%) Neo4j
13 3 (0.81%) SQL Server Reporting Services
14 2 (0.54%) Big Data
14 2 (0.54%) Data Warehouse
Development Applications
1 152 (40.86%) Git (software)
2 117 (31.45%) Selenium
3 78 (20.97%) Mocha
4 77 (20.70%) TeamCity
5 76 (20.43%) Team Foundation Server
6 68 (18.28%) Visual Studio
7 62 (16.67%) gulp
8 61 (16.40%) Octopus Deploy
8 61 (16.40%) Protractor
9 60 (16.13%) Karma Test Runner
9 60 (16.13%) Sinon.JS
10 57 (15.32%) Bower
11 51 (13.71%) Maven
12 49 (13.17%) JUnit
13 41 (11.02%) Jenkins
14 30 (8.06%) webpack
15 25 (6.72%) JMeter
16 24 (6.45%) Subversion
17 21 (5.65%) RSpec
18 20 (5.38%) Jasmine
General
1 91 (24.46%) Finance
2 44 (11.83%) Marketing
3 36 (9.68%) Advertising
4 34 (9.14%) Retail
5 24 (6.45%) Telecoms
6 21 (5.65%) Banking
7 18 (4.84%) Games
8 6 (1.61%) Online Betting
9 5 (1.34%) Front Office
10 3 (0.81%) Back Office
10 3 (0.81%) Multimedia
11 2 (0.54%) Law
12 1 (0.27%) Automotive
12 1 (0.27%) Legal
12 1 (0.27%) Publishing
Job Titles
1 276 (74.19%) Developer
2 76 (20.43%) .NET Developer
3 70 (18.82%) Java Developer
4 56 (15.05%) C# Developer
5 50 (13.44%) Senior Developer
6 45 (12.10%) Software Engineer
7 43 (11.56%) Full Stack Developer
8 35 (9.41%) JavaScript Developer
9 32 (8.60%) C# .NET Developer
10 29 (7.80%) Senior Software Engineer
11 26 (6.99%) ASP.NET Developer
11 26 (6.99%) C# ASP.NET Developer
12 24 (6.45%) Java Engineer
12 24 (6.45%) Java Software Engineer
13 23 (6.18%) Ruby Developer
14 22 (5.91%) Lead Developer
15 18 (4.84%) Senior Ruby Developer
16 17 (4.57%) Senior Java Engineer
16 17 (4.57%) Senior Java Software Engineer
16 17 (4.57%) Web Developer
Libraries, Frameworks & Software Standards
1 162 (43.55%) HTML
2 160 (43.01%) .NET
3 159 (42.74%) CSS
4 126 (33.87%) jQuery
5 120 (32.26%) AngularJS
6 107 (28.76%) CSS3
7 100 (26.88%) HTML5
8 93 (25.00%) RESTful
8 93 (25.00%) Sass
9 88 (23.66%) ASP.NET
10 82 (22.04%) Twitter Bootstrap
11 76 (20.43%) LESS
12 72 (19.35%) ASP.NET MVC
13 70 (18.82%) React
14 67 (18.01%) Backbone.js
15 65 (17.47%) Gherkin
16 60 (16.13%) Chai
16 60 (16.13%) Ember.js
17 57 (15.32%) MEAN Stack
17 57 (15.32%) Node.js
Miscellaneous
1 69 (18.55%) User Experience
2 52 (13.98%) Mobile App
3 47 (12.63%) Cloud Native
4 19 (5.11%) Greenfield Project
4 19 (5.11%) Linux Command Line
5 16 (4.30%) Bitcoin
6 15 (4.03%) Fintech
7 14 (3.76%) Computer Science
8 13 (3.49%) EPoS
9 12 (3.23%) Self-Motivation
10 10 (2.69%) Analytical Skills
11 9 (2.42%) Algorithms
11 9 (2.42%) Internet of Things
12 7 (1.88%) Blog
12 7 (1.88%) Hedge funds
13 6 (1.61%) Enterprise Software
13 6 (1.61%) Online Games
13 6 (1.61%) Video Conferencing
14 5 (1.34%) Virtual Team
14 5 (1.34%) W3C
Operating Systems
1 50 (13.44%) Linux
2 23 (6.18%) Android
3 21 (5.65%) Windows
4 18 (4.84%) Apple iOS
5 2 (0.54%) Unix
6 1 (0.27%) CentOS
6 1 (0.27%) Embedded Linux
6 1 (0.27%) Mac OS
Processes & Methodologies
1 278 (74.73%) Agile Software Development
2 210 (56.45%) TDD
3 153 (41.13%) Software Engineering
4 140 (37.63%) BDD
5 123 (33.06%) Microservices
6 116 (31.18%) MVC
7 106 (28.49%) Continuous Integration
8 104 (27.96%) DevOps
9 87 (23.39%) Problem-Solving
9 87 (23.39%) Scrum
10 84 (22.58%) E-Commerce
11 78 (20.97%) Continuous Improvement
12 67 (18.01%) Responsive Web Design
13 66 (17.74%) Pair Programming
14 65 (17.47%) OO
15 64 (17.20%) Analytics
16 63 (16.94%) Progressive Web App
17 62 (16.67%) SEO
18 61 (16.40%) Performance Management
19 60 (16.13%) Web Application Development
Programming Languages
1 209 (56.18%) JavaScript
2 163 (43.82%) SQL
3 138 (37.10%) Java
4 111 (29.84%) C#
5 44 (11.83%) Ruby
6 32 (8.60%) PHP
7 26 (6.99%) Python
8 21 (5.65%) Bash Shell
9 19 (5.11%) Java 8
10 16 (4.30%) Solidity
11 15 (4.03%) C++
12 13 (3.49%) ES6
13 11 (2.96%) Clojure
13 11 (2.96%) Scala
14 8 (2.15%) Perl
15 7 (1.88%) Go
16 6 (1.61%) PL/SQL
16 6 (1.61%) TypeScript
17 5 (1.34%) Groovy
17 5 (1.34%) PowerShell
Qualifications
1 88 (23.66%) Degree
2 45 (12.10%) SAFe Agilist
3 7 (1.88%) Computer Science Degree
4 6 (1.61%) Master's Degree
5 5 (1.34%) Security Cleared
6 4 (1.08%) Numerate Degree
6 4 (1.08%) SC Cleared
7 2 (0.54%) ISTQB
8 1 (0.27%) CFA
Quality Assurance & Compliance
1 23 (6.18%) QA
System Software
1 52 (13.98%) Docker
2 6 (1.61%) Virtual Machines
3 3 (0.81%) Firmware
4 1 (0.27%) LXC
4 1 (0.27%) Oracle RAC
Systems Management
1 19 (5.11%) Kubernetes
2 18 (4.84%) Ansible
3 3 (0.81%) Puppet
3 3 (0.81%) Single Sign-On
4 2 (0.54%) Opscode Chef
4 2 (0.54%) Terraform
5 1 (0.27%) Business Desktop Deployment
5 1 (0.27%) Data Guard
5 1 (0.27%) Enterprise Manager Cloud Control
5 1 (0.27%) Foglight
5 1 (0.27%) Graphite
5 1 (0.27%) logstash
5 1 (0.27%) MOM
Vendors
1 37 (9.95%) Sitecore
2 33 (8.87%) Marketo
3 25 (6.72%) Oracle
4 20 (5.38%) Alias
5 11 (2.96%) Adobe
5 11 (2.96%) Demandware
5 11 (2.96%) Microsoft
5 11 (2.96%) Xamarin
6 10 (2.69%) MuleSoft
7 8 (2.15%) Capita
8 4 (1.08%) CA Agile Central
8 4 (1.08%) Google
8 4 (1.08%) Salesforce.com
9 3 (0.81%) Tableau
10 2 (0.54%) Bloomberg
10 2 (0.54%) DevExpress
10 2 (0.54%) IBM
11 1 (0.27%) Dell
11 1 (0.27%) Red Hat
11 1 (0.27%) TIBCO