The following table provides summary statistics for contract job vacancies advertised in England with a requirement for Refactoring skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Refactoring over the 3 months to 25 June 2017 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Refactoring
UK / England
3 months to
25 Jun 2017
Same period 2016 Same period 2015
Rank 443 527 499
Rank change year-on-year +84 -28  
Contract jobs citing Refactoring 137 100 110
As % of all contract IT jobs advertised in England 0.32% 0.21% 0.22%
As % of the Processes & Methodologies category 0.38% 0.25% 0.27%
Number of daily rates quoted 92 68 68
Median daily rate £513 £506 £400
Median daily rate % change year-on-year +1.23% +26.56%  
90% offered a daily rate of more than £335 £375 £300
10% offered a daily rate of more than £600 £625 £600
UK excluding London median daily rate £375 £375 £400
% change year-on-year - -6.25%  
Number of hourly rates quoted 4 3 1
Median hourly rate £57.00 £37.50 £45.00
Median hourly rate % change year-on-year +52.00% -16.66%  
UK excluding London median hourly rate £57.00 £37.50 £45.00
% change year-on-year +52.00% -16.66%  

Refactoring is in the process and methodology skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in England with a requirement for process and methodology skills.

Contract Process & Methodology Skills
England
Contract job vacancies with a requirement for process and methodology skills 36004 40667 41211
As % of all contract IT job vacancies advertised in England 84.73% 83.47% 80.82%
Number of daily rates quoted 23651 27315 26961
Median daily rate £450 £450 £415
Median daily rate % change year-on-year - +8.43%  
90% offered a daily rate of more than £313 £300 £288
10% offered a daily rate of more than £600 £600 £588
UK excluding London median daily rate £415 £400 £380
% change year-on-year +3.75% +5.26%  
Number of hourly rates quoted 936 954 1137
Median hourly rate £32.50 £27.50 £26.00
Median hourly rate % change year-on-year +18.18% +5.76%  
90% offered a hourly rate of more than £12.53 £12.58 £12.00
10% offered a hourly rate of more than £52.50 £49.46 £50.00
UK excluding London median hourly rate £34.00 £28.50 £30.00
% change year-on-year +19.29% -5.00%  

Refactoring
Job Vacancy Trend in England

The job posting trend of jobs advertised in England citing Refactoring as a proportion of all contract or permanent IT jobs with a match in the Processes & Methodologies category.

Job vacancy trend for Refactoring in England

Refactoring
Contractor Daily Rate Trend in England

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Refactoring in England.

Contractor daily rate trend for Refactoring in England

Refactoring
Contractor Daily Rate Histogram in England

The daily rate distribution of IT jobs citing Refactoring in England over the 3 months to 25 June 2017.

Contractor daily rate histogram for Refactoring in England

Refactoring
Contractor Hourly Rate Trend in England

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing Refactoring in England.

Contractor hourly rate trend for Refactoring in England

Refactoring
Contractor Hourly Rate Histogram in England

The hourly rate distribution of IT jobs citing Refactoring in England over the 3 months to 25 June 2017.

Contractor hourly rate histogram for Refactoring in England

Refactoring
Contract Job Locations in England

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Refactoring within the England region over the 3 months to 25 June 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
London +4 72 £550 +4.76% 34
South East +50 26 £500 +11.11% 12
North West +43 18 £355 -3.40% 7
South West - 6 £462 - 3
West Midlands - 5 £320 - 1
East of England -8 4 £438 +25.00% 2
East Midlands - 4 £476 - 2
Yorkshire +22 2 - - 3
Refactoring
UK

For the 6 months to 25 June 2017, IT contractor jobs citing Refactoring also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the England region with a requirement for Refactoring.

1 246 (77.85%) Agile Software Development
2 193 (61.08%) TDD
3 162 (51.27%) Java
4 157 (49.68%) JavaScript
5 152 (48.10%) Git (software)
6 150 (47.47%) Scrum
7 149 (47.15%) Continuous Integration
8 123 (38.92%) CSS
9 108 (34.18%) HTML
10 106 (33.54%) Test Automation
11 105 (33.23%) MVC
12 97 (30.70%) SQL
13 93 (29.43%) AngularJS
14 91 (28.80%) BDD
15 90 (28.48%) Web Services
16 80 (25.32%) .NET
17 76 (24.05%) Kanban
18 72 (22.78%) Amazon AWS
18 72 (22.78%) HTML5
19 69 (21.84%) C#
20 67 (21.20%) SOAP
20 67 (21.20%) SOA
20 67 (21.20%) Software Engineering
20 67 (21.20%) Jenkins
20 67 (21.20%) jQuery
21 66 (20.89%) Web Development
22 65 (20.57%) Linux
23 63 (19.94%) OO
23 63 (19.94%) Front End Development
23 63 (19.94%) SOLID

Refactoring
Co-occurring IT Skills in England 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 30 (9.49%) Apache
2 15 (4.75%) JBoss
3 12 (3.80%) OpenStack
3 12 (3.80%) WebSphere
4 11 (3.48%) CMS
4 11 (3.48%) Elasticsearch
4 11 (3.48%) Tomcat
5 9 (2.85%) Apache Spark
5 9 (2.85%) nginx
6 8 (2.53%) EPiServer
7 7 (2.22%) Apache Solr
7 7 (2.22%) Oracle SOA Suite
8 6 (1.90%) Mule
8 6 (1.90%) Oracle Workflow
9 4 (1.27%) Apache Pig
9 4 (1.27%) Sitecore CMS
10 3 (0.95%) Adobe Experience Manager
11 2 (0.63%) Confluence
11 2 (0.63%) IIS
11 2 (0.63%) WebLogic
Business Applications
1 6 (1.90%) Endur
2 4 (1.27%) Eloqua
3 2 (0.63%) Dynamics CRM
Cloud Services
1 72 (22.78%) Amazon AWS
2 23 (7.28%) Microsoft Azure
3 14 (4.43%) GitHub
4 7 (2.22%) Cloud Computing
5 5 (1.58%) AWS CloudFormation
5 5 (1.58%) PaaS
5 5 (1.58%) SaaS
6 3 (0.95%) Heroku
7 2 (0.63%) AWS Elastic Beanstalk
7 2 (0.63%) IaaS
8 1 (0.32%) Dynamics 365
8 1 (0.32%) Google Play
Communications & Networking
1 14 (4.43%) Internet
2 13 (4.11%) HTTP
3 12 (3.80%) SSL
4 10 (3.16%) DNS
4 10 (3.16%) TCP/IP
5 7 (2.22%) Network Security
6 5 (1.58%) ICMP
7 4 (1.27%) SMS
8 3 (0.95%) FTP
9 2 (0.63%) BIG-IP
9 2 (0.63%) Intranet
10 1 (0.32%) Firewall
10 1 (0.32%) MQTT
10 1 (0.32%) Wireshark
Database & Business Intelligence
1 60 (18.99%) MongoDB
2 55 (17.41%) Relational Database
3 43 (13.61%) SQL Server
4 31 (9.81%) NoSQL
4 31 (9.81%) PostgreSQL
5 23 (7.28%) MySQL
6 16 (5.06%) Redis
7 13 (4.11%) RDBMS
8 12 (3.80%) Couchbase
8 12 (3.80%) Hadoop
9 11 (3.48%) CouchDB
9 11 (3.48%) DB2
10 9 (2.85%) Big Data
11 7 (2.22%) DataStax
12 4 (1.27%) Apache Hive
12 4 (1.27%) HBase
12 4 (1.27%) Sqoop
13 3 (0.95%) Hazelcast
13 3 (0.95%) MariaDB
14 2 (0.63%) Apache Cassandra
Development Applications
1 152 (48.10%) Git (software)
2 67 (21.20%) Jenkins
3 51 (16.14%) gulp
4 39 (12.34%) Maven
5 38 (12.03%) Subversion
6 35 (11.08%) IntelliJ
7 34 (10.76%) TeamCity
8 30 (9.49%) Grunt
9 28 (8.86%) Gradle
10 24 (7.59%) JUnit
11 23 (7.28%) Ant
11 23 (7.28%) JIRA
12 19 (6.01%) Cucumber
12 19 (6.01%) Hudson
13 18 (5.70%) Mercurial
14 14 (4.43%) Selenium
14 14 (4.43%) Team Foundation Server
15 11 (3.48%) Mockito
15 11 (3.48%) Spock
16 10 (3.16%) Visual Studio
General
1 43 (13.61%) Finance
2 31 (9.81%) Banking
3 15 (4.75%) Back Office
4 13 (4.11%) Investment Banking
5 7 (2.22%) Marketing
6 6 (1.90%) Retail
7 5 (1.58%) Advertising
8 4 (1.27%) Legal
8 4 (1.27%) Retail Banking
9 2 (0.63%) Billing
9 2 (0.63%) Publishing
10 1 (0.32%) Automotive
10 1 (0.32%) Financial Institution
10 1 (0.32%) Games
10 1 (0.32%) Law
Job Titles
1 227 (71.84%) Developer
2 76 (24.05%) Java Developer
3 49 (15.51%) .NET Developer
4 44 (13.92%) Senior Developer
5 39 (12.34%) Architect
5 39 (12.34%) C# Developer
6 38 (12.03%) JavaScript Developer
7 30 (9.49%) C# .NET Developer
8 23 (7.28%) Agile Developer
8 23 (7.28%) Front End Developer (Client-Side Developer)
9 16 (5.06%) Senior Java Developer
10 15 (4.75%) Analyst
10 15 (4.75%) Full Stack Developer
11 14 (4.43%) Web Developer
12 13 (4.11%) Technical Architect
13 12 (3.80%) Agile Java Developer
13 12 (3.80%) Perl Developer
13 12 (3.80%) Senior .NET Developer
13 12 (3.80%) Senior JavaScript Developer
13 12 (3.80%) Silverlight Developer
Libraries, Frameworks & Software Standards
1 123 (38.92%) CSS
2 108 (34.18%) HTML
3 93 (29.43%) AngularJS
4 90 (28.48%) Web Services
5 80 (25.32%) .NET
6 72 (22.78%) HTML5
7 67 (21.20%) jQuery
7 67 (21.20%) SOAP
8 60 (18.99%) Spring
8 60 (18.99%) XML
9 55 (17.41%) REST
10 48 (15.19%) React
11 45 (14.24%) Node.js
12 40 (12.66%) CSS3
13 39 (12.34%) ASP.NET
13 39 (12.34%) JSON
13 39 (12.34%) RESTful
14 34 (10.76%) Dropwizard
15 32 (10.13%) Hibernate
15 32 (10.13%) Play Framework
Miscellaneous
1 27 (8.54%) User Experience
2 25 (7.91%) Computer Science
3 14 (4.43%) Fixed Income
4 13 (4.11%) Derivative
5 10 (3.16%) Greenfield Project
6 9 (2.85%) Analytical Skills
6 9 (2.85%) Distributed Denial-of-Service
6 9 (2.85%) Public Cloud
7 7 (2.22%) Management Information System
7 7 (2.22%) Mobile App
7 7 (2.22%) RIA
7 7 (2.22%) Web 2.0
8 6 (1.90%) Client/Server
8 6 (1.90%) Enterprise Software
8 6 (1.90%) Foreign Exchange (FX)
8 6 (1.90%) Private Cloud
9 5 (1.58%) Cloud Native
10 4 (1.27%) N-Tier
10 4 (1.27%) OTC Derivatives
11 3 (0.95%) PKI
Operating Systems
1 65 (20.57%) Linux
2 39 (12.34%) Unix
3 12 (3.80%) Windows
4 7 (2.22%) CentOS
5 6 (1.90%) SUSE
6 5 (1.58%) Red Hat Enterprise Linux
7 4 (1.27%) Ubuntu
8 3 (0.95%) CoreOS
9 2 (0.63%) Android
9 2 (0.63%) Apple iOS
9 2 (0.63%) Solaris
9 2 (0.63%) SUSE Linux Enterprise Server
Processes & Methodologies
1 246 (77.85%) Agile Software Development
2 193 (61.08%) TDD
3 150 (47.47%) Scrum
4 149 (47.15%) Continuous Integration
5 106 (33.54%) Test Automation
6 105 (33.23%) MVC
7 91 (28.80%) BDD
8 76 (24.05%) Kanban
9 67 (21.20%) SOA
9 67 (21.20%) Software Engineering
10 66 (20.89%) Web Development
11 63 (19.94%) Front End Development
11 63 (19.94%) OO
11 63 (19.94%) SOLID
12 58 (18.35%) Unit Testing
13 50 (15.82%) Pair Programming
14 47 (14.87%) DevOps
14 47 (14.87%) Domain-Driven Design
14 47 (14.87%) Microservices
15 45 (14.24%) Digital Transformation Programme
Programming Languages
1 162 (51.27%) Java
2 157 (49.68%) JavaScript
3 97 (30.70%) SQL
4 69 (21.84%) C#
5 42 (13.29%) Groovy
6 39 (12.34%) Ruby
7 36 (11.39%) Python
8 34 (10.76%) Scala
9 27 (8.54%) Shell Script
10 25 (7.91%) Perl
11 19 (6.01%) C
11 19 (6.01%) ES6
12 17 (5.38%) C++
13 13 (4.11%) TypeScript
14 12 (3.80%) PHP
15 11 (3.48%) Go
15 11 (3.48%) Korn
16 9 (2.85%) PL/SQL
17 7 (2.22%) XPath
18 6 (1.90%) ECMAScript
Qualifications
1 33 (10.44%) Degree
2 7 (2.22%) CISA
2 7 (2.22%) CISM
2 7 (2.22%) CISSP
3 6 (1.90%) ISEB
3 6 (1.90%) ISTQB Foundation Certification
3 6 (1.90%) Master's Degree
3 6 (1.90%) Security Cleared
3 6 (1.90%) Sun Certification
4 4 (1.27%) BPSS Clearance
4 4 (1.27%) Computer Science Degree
5 3 (0.95%) CFA
5 3 (0.95%) ISTQB
5 3 (0.95%) ISTQB Advanced Certification
5 3 (0.95%) RHCE
5 3 (0.95%) RHCSA
5 3 (0.95%) SC Cleared
6 1 (0.32%) CTC Cleared
Quality Assurance & Compliance
1 56 (17.72%) QA
2 11 (3.48%) Dodd-Frank
2 11 (3.48%) EMIR
2 11 (3.48%) MiFID
3 8 (2.53%) FedRAMP
3 8 (2.53%) PCI DSS
4 7 (2.22%) FATCA
System Software
1 23 (7.28%) Docker
2 8 (2.53%) Apache Flume
3 4 (1.27%) HDFS
4 2 (0.63%) Active Directory
4 2 (0.63%) Virtual Machines
5 1 (0.32%) Apache ZooKeeper
5 1 (0.32%) Firmware
Systems Management
1 34 (10.76%) Ansible
2 24 (7.59%) Puppet
3 17 (5.38%) Opscode Chef
4 10 (3.16%) Kibana
4 10 (3.16%) logstash
5 8 (2.53%) Terraform
6 7 (2.22%) Kubernetes
7 6 (1.90%) Graphite
8 4 (1.27%) Mesos
9 3 (0.95%) Control-M
9 3 (0.95%) Docker Swarm
9 3 (0.95%) ITRS Geneos
10 2 (0.63%) Cacti
10 2 (0.63%) CFEngine
10 2 (0.63%) Check_MK
10 2 (0.63%) Consul
10 2 (0.63%) Nagios
10 2 (0.63%) Rundeck
10 2 (0.63%) ZABBIX
11 1 (0.32%) Chronos
Vendors
1 54 (17.09%) Oracle
2 33 (10.44%) New Relic
3 20 (6.33%) Microsoft
4 13 (4.11%) Solace
5 11 (3.48%) Cloudera
5 11 (3.48%) Perforce
6 10 (3.16%) Zend
7 9 (2.85%) IBM
8 8 (2.53%) ATG
9 6 (1.90%) OpenLink
10 5 (1.58%) Ab Initio
10 5 (1.58%) Atlassian
10 5 (1.58%) Informatica
11 4 (1.27%) Apigee
11 4 (1.27%) Marketo
11 4 (1.27%) MuleSoft
11 4 (1.27%) Sitecore
11 4 (1.27%) VMware
12 3 (0.95%) ForgeRock
12 3 (0.95%) Red Hat
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