Period
to 20 November 2017

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 20 November 2017 with a comparison to the same period in the previous 2 years.

Refactoring
England > London
6 months to
20 Nov 2017
Same period 2016 Same period 2015
Rank 402 562 527
Rank change year-on-year +160 -35 +54
Permanent jobs citing Refactoring 552 291 455
As % of all permanent IT jobs advertised in London 0.73% 0.39% 0.51%
As % of the Processes & Methodologies category 0.80% 0.43% 0.57%
Number of salaries quoted 333 252 375
London median annual salary £62,500 £65,000 £60,000
Median salary % change year-on-year -3.85% +8.33% +14.29%
10th Percentile £42,500 £38,750 £41,900
90th Percentile £85,000 £100,000 £87,500
England median annual salary £55,000 £49,750 £55,000
% change year-on-year +10.55% -9.55% +15.79%

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 68869 67817 79798
As % of all permanent IT jobs advertised in London 91.63% 90.61% 89.56%
Number of salaries quoted 52972 58374 67234
London median annual salary £60,000 £57,500 £55,000
Median salary % change year-on-year +4.35% +4.55% -
10th Percentile £35,000 £33,750 £33,000
90th Percentile £90,000 £88,750 £86,250
England median annual salary £50,000 £50,000 £47,500
% change year-on-year - +5.26% +5.56%

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 20 November 2017.

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 20 November 2017. 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 +86 111 £60,000 -7.69% 5
South London +6 6 £30,000 -47.83%
East London +3 5 £62,500 +4.17% 2
West London -1 4 £61,250 +4.26% 2
North London - 1 £37,500 -
Refactoring
England

For the 6 months to 20 November 2017, IT jobs citing Refactoring also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the London region with a requirement for Refactoring.

1 426 (77.17%) Agile Software Development
2 337 (61.05%) Java
3 309 (55.98%) TDD
4 271 (49.09%) Finance
5 267 (48.37%) BDD
6 264 (47.83%) JavaScript
7 223 (40.40%) Software Engineering
8 185 (33.51%) OO
9 175 (31.70%) Git (software)
10 174 (31.52%) C#
11 169 (30.62%) Asset Management
12 165 (29.89%) Banking
13 159 (28.80%) Spring
13 159 (28.80%) Continuous Integration
14 153 (27.72%) Oracle
15 151 (27.36%) Scrum
15 151 (27.36%) Microservices
16 150 (27.17%) Investment Banking
17 147 (26.63%) Retail Banking
17 147 (26.63%) Wealth Management
18 144 (26.09%) AngularJS
19 139 (25.18%) SQL Server
20 136 (24.64%) NoSQL
21 131 (23.73%) SQL
22 126 (22.83%) REST
23 125 (22.64%) HTML
24 118 (21.38%) Web Services
25 114 (20.65%) CSS
25 114 (20.65%) Multithreading
26 111 (20.11%) .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 57 (10.33%) Apache
2 46 (8.33%) JBoss
2 46 (8.33%) Tomcat
3 44 (7.97%) Elasticsearch
4 25 (4.53%) CMS
5 20 (3.62%) EPiServer
6 18 (3.26%) Sitecore CMS
7 16 (2.90%) WebSphere
8 11 (1.99%) Apache Spark
9 10 (1.81%) WordPress
10 9 (1.63%) Oracle SOA Suite
11 7 (1.27%) WebLogic
12 6 (1.09%) IIS
12 6 (1.09%) OpenStack
13 4 (0.72%) Apache Pig
14 3 (0.54%) GlassFish
14 3 (0.54%) Jetty
14 3 (0.54%) Mule
14 3 (0.54%) WebSphere Application Server
15 2 (0.36%) SharePoint
Applications
1 13 (2.36%) Photoshop
2 10 (1.81%) Adobe Creative Suite
3 2 (0.36%) Microsoft Excel
3 2 (0.36%) Microsoft Office
Business Applications
1 15 (2.72%) MetaTrader
2 14 (2.54%) Eloqua
3 11 (1.99%) Markit EDM
4 6 (1.09%) Payment Gateway
5 2 (0.36%) Advent Geneva
5 2 (0.36%) Front Arena
5 2 (0.36%) Summit
Cloud Services
1 71 (12.86%) Microsoft Azure
2 47 (8.51%) Amazon AWS
3 20 (3.62%) npm
4 16 (2.90%) GitHub
5 8 (1.45%) Amazon S3
5 8 (1.45%) SaaS
6 6 (1.09%) Amazon EC2
7 2 (0.36%) Amazon SQS
7 2 (0.36%) Force.com
7 2 (0.36%) Google Cloud Platform
7 2 (0.36%) Office 365
7 2 (0.36%) PaaS
7 2 (0.36%) Sage Pay
8 1 (0.18%) Heroku
8 1 (0.18%) Slack
Communications & Networking
1 42 (7.61%) Internet
2 27 (4.89%) ATM
3 15 (2.72%) HTTP
4 13 (2.36%) SSL
5 11 (1.99%) TCP/IP
6 2 (0.36%) HTTPS
6 2 (0.36%) Network Security
7 1 (0.18%) LDAP
Database & Business Intelligence
1 139 (25.18%) SQL Server
2 136 (24.64%) NoSQL
3 86 (15.58%) Relational Database
4 52 (9.42%) Redis
5 50 (9.06%) Apache Cassandra
6 49 (8.88%) MongoDB
7 47 (8.51%) Neo4j
8 41 (7.43%) MySQL
9 36 (6.52%) Hazelcast
10 29 (5.25%) RDBMS
11 17 (3.08%) Couchbase
12 13 (2.36%) Big Data
12 13 (2.36%) Hadoop
13 12 (2.17%) KDB
14 11 (1.99%) Kdb+
14 11 (1.99%) PostgreSQL
14 11 (1.99%) SQL Server Integration Services
15 9 (1.63%) Azure SQL Database
16 8 (1.45%) Data Warehouse
17 7 (1.27%) Data Mining
Development Applications
1 175 (31.70%) Git (software)
2 101 (18.30%) JUnit
3 92 (16.67%) Subversion
4 81 (14.67%) Maven
5 79 (14.31%) Cucumber
6 73 (13.22%) JIRA
7 66 (11.96%) TeamCity
8 63 (11.41%) Selenium
9 61 (11.05%) Mercurial
10 51 (9.24%) Hudson
11 43 (7.79%) Ant
11 43 (7.79%) EasyMock
11 43 (7.79%) jMock
12 33 (5.98%) Jenkins
13 30 (5.43%) Team Foundation Server
13 30 (5.43%) Visual Studio
14 27 (4.89%) Karma Test Runner
15 25 (4.53%) gulp
16 24 (4.35%) Protractor
17 19 (3.44%) Bower
General
1 271 (49.09%) Finance
2 165 (29.89%) Banking
3 150 (27.17%) Investment Banking
4 147 (26.63%) Retail Banking
5 103 (18.66%) Front Office
6 70 (12.68%) Retail
7 28 (5.07%) Games
8 26 (4.71%) Marketing
9 24 (4.35%) Telecoms
10 17 (3.08%) Advertising
11 15 (2.72%) Online Betting
12 14 (2.54%) Financial Institution
13 13 (2.36%) Back Office
14 6 (1.09%) Billing
15 5 (0.91%) Legal
16 1 (0.18%) Electronics
16 1 (0.18%) Law
16 1 (0.18%) Publishing
Job Titles
1 356 (64.49%) Developer
2 149 (26.99%) Java Developer
3 134 (24.28%) Software Engineer
4 73 (13.22%) Java Software Developer
5 59 (10.69%) Senior Developer
6 55 (9.96%) Software Developer
7 51 (9.24%) E-Commerce Developer
8 45 (8.15%) .NET Developer
9 43 (7.79%) Java E-Commerce Developer
9 43 (7.79%) Python Developer
10 41 (7.43%) Java Engineer
11 38 (6.88%) Java Software Engineer
12 35 (6.34%) JavaScript Developer
13 34 (6.16%) Developer/Software Engineer
14 33 (5.98%) PHP Developer
15 32 (5.80%) C# Developer
15 32 (5.80%) Full Stack Developer
16 30 (5.43%) Delivery Manager
17 29 (5.25%) Agile Developer
17 29 (5.25%) Lead Developer
Libraries, Frameworks & Software Standards
1 159 (28.80%) Spring
2 144 (26.09%) AngularJS
3 126 (22.83%) REST
4 125 (22.64%) HTML
5 118 (21.38%) Web Services
6 114 (20.65%) CSS
7 111 (20.11%) .NET
8 108 (19.57%) Hibernate
9 103 (18.66%) RESTful
10 84 (15.22%) HTML5
10 84 (15.22%) SOAP
11 76 (13.77%) XML
12 65 (11.78%) CSS3
13 57 (10.33%) Middleware
14 48 (8.70%) jQuery
15 45 (8.15%) ASP.NET
15 45 (8.15%) Kafka
15 45 (8.15%) Sass
16 42 (7.61%) React
17 41 (7.43%) Twitter Bootstrap
Miscellaneous
1 87 (15.76%) Derivative
1 87 (15.76%) User Experience
2 84 (15.22%) Algorithms
3 83 (15.04%) Equity Derivative
4 75 (13.59%) Computer Science
5 73 (13.22%) Data Structures
6 55 (9.96%) Analytical Skills
7 49 (8.88%) Linux Command Line
8 42 (7.61%) Fintech
9 39 (7.07%) Hedge funds
10 28 (5.07%) Greenfield Project
11 27 (4.89%) EFT
11 27 (4.89%) Foreign Exchange (FX)
12 20 (3.62%) Mobile App
13 19 (3.44%) Cloud Native
14 16 (2.90%) Online Games
15 12 (2.17%) Internet of Things
16 8 (1.45%) FMCG
17 7 (1.27%) Equities
18 5 (0.91%) Wiki
Operating Systems
1 97 (17.57%) Windows
2 76 (13.77%) Unix
3 69 (12.50%) Linux
4 44 (7.97%) Android
5 42 (7.61%) Apple iOS
6 4 (0.72%) Windows Server
Processes & Methodologies
1 426 (77.17%) Agile Software Development
2 309 (55.98%) TDD
3 267 (48.37%) BDD
4 223 (40.40%) Software Engineering
5 185 (33.51%) OO
6 169 (30.62%) Asset Management
7 159 (28.80%) Continuous Integration
8 151 (27.36%) Microservices
8 151 (27.36%) Scrum
9 147 (26.63%) Wealth Management
10 114 (20.65%) Multithreading
11 104 (18.84%) Unit Testing
12 101 (18.30%) SDLC
13 94 (17.03%) Test Automation
14 93 (16.85%) E-Commerce
15 84 (15.22%) Kanban
16 75 (13.59%) MVC
16 75 (13.59%) Software Delivery
17 67 (12.14%) OOD
18 65 (11.78%) SOA
Programming Languages
1 337 (61.05%) Java
2 264 (47.83%) JavaScript
3 174 (31.52%) C#
4 131 (23.73%) SQL
5 76 (13.77%) Python
6 60 (10.87%) Shell Script
7 59 (10.69%) C++
8 47 (8.51%) Groovy
9 40 (7.25%) PHP
10 34 (6.16%) Scala
10 34 (6.16%) TypeScript
11 27 (4.89%) T-SQL
12 20 (3.62%) Perl
13 18 (3.26%) R
14 15 (2.72%) ES6
15 13 (2.36%) Ruby
16 11 (1.99%) MATLAB
16 11 (1.99%) Tcl
17 7 (1.27%) C
18 6 (1.09%) Objective-C
Qualifications
1 34 (6.16%) Degree
2 15 (2.72%) PhD
3 8 (1.45%) Computer Science Degree
4 2 (0.36%) Microsoft Certification
5 1 (0.18%) MBA
Quality Assurance & Compliance
1 86 (15.58%) QA
2 4 (0.72%) EMIR
2 4 (0.72%) MiFID
3 3 (0.54%) Data Quality
3 3 (0.54%) SEPA
System Software
1 11 (1.99%) Docker
2 3 (0.54%) HDFS
2 3 (0.54%) VirtualBox
3 2 (0.36%) Shibboleth
4 1 (0.18%) Apache Flume
4 1 (0.18%) Firmware
Systems Management
1 5 (0.91%) Puppet
2 3 (0.54%) Ansible
3 2 (0.36%) Grafana
3 2 (0.36%) Salt
3 2 (0.36%) Terraform
Vendors
1 153 (27.72%) Oracle
2 49 (8.88%) Sybase
3 47 (8.51%) Perforce
4 44 (7.97%) Sun
5 43 (7.79%) CA Agile Central
6 31 (5.62%) Google
7 18 (3.26%) Sitecore
8 17 (3.08%) Xamarin
9 15 (2.72%) Microsoft
10 14 (2.54%) Marketo
11 11 (1.99%) Adobe
12 10 (1.81%) hybris
13 3 (0.54%) Facebook
13 3 (0.54%) MKS
13 3 (0.54%) Salesforce.com
13 3 (0.54%) SAP
13 3 (0.54%) Solace
14 2 (0.36%) Charles River
14 2 (0.36%) PayPal
14 2 (0.36%) Sage