The following table provides summary statistics for contract job vacancies 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
3 months to
25 Jun 2017
Same period 2016 Same period 2015
Rank 434 542 517
Rank change year-on-year +108 -25  
Contract jobs citing Refactoring 155 110 119
As % of all contract IT jobs advertised in the UK 0.33% 0.21% 0.21%
As % of the Processes & Methodologies category 0.40% 0.25% 0.26%
Number of daily rates quoted 101 73 74
Median daily rate £500 £500 £400
Median daily rate % change year-on-year - +25.00%  
90% offered a daily rate of more than £338 £375 £306
10% offered a daily rate of more than £600 £625 £588
UK excluding London median daily rate £375 £375 £400
% change year-on-year - -6.25%  
Number of hourly rates quoted 4 4 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 with a requirement for process and methodology skills.

Contract Process & Methodology Skills
UK
Contract job vacancies with a requirement for process and methodology skills 39103 44215 45229
As % of all contract IT job vacancies advertised in the UK 84.49% 83.33% 80.71%
Number of daily rates quoted 25496 29340 29026
Median daily rate £450 £438 £413
Median daily rate % change year-on-year +2.85% +6.06%  
90% offered a daily rate of more than £313 £300 £285
10% offered a daily rate of more than £600 £600 £575
UK excluding London median daily rate £415 £400 £380
% change year-on-year +3.75% +5.26%  
Number of hourly rates quoted 1041 1070 1262
Median hourly rate £32.50 £27.50 £27.50
Median hourly rate % change year-on-year +18.18% -  
90% offered a hourly rate of more than £13.00 £12.58 £12.35
10% offered a hourly rate of more than £53.00 £48.70 £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

The job posting trend of jobs advertised 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 the UK

Refactoring
Contractor Daily Rate Trend

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

Contractor daily rate trend for Refactoring in the UK

Refactoring
Contractor Daily Rate Histogram

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

Contractor daily rate histogram for Refactoring in the UK

Refactoring
Contractor Hourly Rate Trend

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

Contractor hourly rate trend for Refactoring in the UK

Refactoring
Contractor Hourly Rate Histogram

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

Contractor hourly rate histogram for Refactoring in the UK

Refactoring
Top 30 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Refactoring within the UK 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
England +84 137 £513 +1.23% 64
London +4 72 £550 +4.76% 34
South East +50 26 £500 +11.11% 12
City of London +11 25 £550 +11.67% 6
North West +43 18 £355 -3.40% 7
Manchester +31 18 £355 -3.40% 6
Oxfordshire -7 12 £550 +15.78% 1
Scotland +43 9 £450 +20.00% 7
Oxford -5 6 £550 +15.78%
Surrey - 6 - - 2
South West - 6 £462 - 3
West Midlands - 5 £320 - 1
Birmingham - 5 £320 -
Edinburgh +11 4 £450 +9.09% 1
Glasgow +7 4 £463 +23.33% 4
East of England -8 4 £438 +25.00% 2
East Midlands - 4 £476 - 2
Kent - 4 £350 -
Tunbridge Wells - 4 £350 -
Hertfordshire -1 3 £375 +7.14% 1
County Antrim - 3 £375 -
Northern Ireland - 3 £375 -
Staines - 3 - -
Stockport - 3 £346 - 1
Belfast - 3 £375 -
Yorkshire +22 2 - - 3
South Wales - 2 £450 -
Wales - 2 £450 -
Gatwick - 2 - -
Nottingham - 2 £338 -

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 with a requirement for Refactoring.

1 262 (76.38%) Agile Software Development
2 200 (58.31%) TDD
3 179 (52.19%) Java
4 165 (48.10%) JavaScript
5 161 (46.94%) Git (software)
6 155 (45.19%) Continuous Integration
7 154 (44.90%) Scrum
8 133 (38.78%) CSS
9 115 (33.53%) HTML
10 113 (32.94%) Test Automation
11 110 (32.07%) SQL
12 108 (31.49%) MVC
13 98 (28.57%) AngularJS
14 94 (27.41%) BDD
15 91 (26.53%) Web Services
16 84 (24.49%) .NET
17 78 (22.74%) C#
18 76 (22.16%) Kanban
19 74 (21.57%) Jenkins
20 73 (21.28%) HTML5
21 72 (20.99%) Amazon AWS
22 71 (20.70%) Web Development
22 71 (20.70%) jQuery
22 71 (20.70%) SOAP
23 70 (20.41%) SOA
23 70 (20.41%) Spring
24 69 (20.12%) Software Engineering
24 69 (20.12%) Linux
24 69 (20.12%) OO
25 68 (19.83%) XML

Refactoring
Co-occurring IT Skills 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 (8.75%) Apache
2 15 (4.37%) JBoss
3 13 (3.79%) Tomcat
4 12 (3.50%) OpenStack
4 12 (3.50%) WebSphere
5 11 (3.21%) CMS
5 11 (3.21%) Elasticsearch
6 10 (2.92%) Apache Spark
7 9 (2.62%) nginx
8 8 (2.33%) EPiServer
9 7 (2.04%) Apache Solr
9 7 (2.04%) Oracle SOA Suite
10 6 (1.75%) Mule
10 6 (1.75%) Oracle Workflow
11 4 (1.17%) Apache Pig
11 4 (1.17%) Sitecore CMS
12 3 (0.87%) Adobe Experience Manager
13 2 (0.58%) Confluence
13 2 (0.58%) Drupal
13 2 (0.58%) SharePoint
Business Applications
1 6 (1.75%) Endur
2 4 (1.17%) Eloqua
3 2 (0.58%) Dynamics CRM
Cloud Services
1 72 (20.99%) Amazon AWS
2 23 (6.71%) Microsoft Azure
3 14 (4.08%) GitHub
4 7 (2.04%) Cloud Computing
5 5 (1.46%) AWS CloudFormation
5 5 (1.46%) PaaS
5 5 (1.46%) SaaS
6 3 (0.87%) Heroku
7 2 (0.58%) AWS Elastic Beanstalk
7 2 (0.58%) IaaS
8 1 (0.29%) Dynamics 365
8 1 (0.29%) Google Play
Communications & Networking
1 14 (4.08%) Internet
2 13 (3.79%) HTTP
3 12 (3.50%) SSL
4 10 (2.92%) DNS
4 10 (2.92%) TCP/IP
5 7 (2.04%) Network Security
6 5 (1.46%) ICMP
7 4 (1.17%) SMS
8 3 (0.87%) FTP
8 3 (0.87%) Intranet
9 2 (0.58%) BIG-IP
10 1 (0.29%) Firewall
10 1 (0.29%) Kerberos
10 1 (0.29%) LDAP
10 1 (0.29%) MQTT
10 1 (0.29%) Wireshark
Database & Business Intelligence
1 64 (18.66%) MongoDB
2 62 (18.08%) Relational Database
3 44 (12.83%) SQL Server
4 36 (10.50%) NoSQL
5 31 (9.04%) PostgreSQL
6 23 (6.71%) MySQL
7 17 (4.96%) DB2
7 17 (4.96%) Redis
8 15 (4.37%) RDBMS
9 13 (3.79%) Hadoop
10 12 (3.50%) Couchbase
11 11 (3.21%) CouchDB
12 10 (2.92%) Big Data
13 7 (2.04%) DataStax
14 5 (1.46%) HBase
15 4 (1.17%) Apache Hive
15 4 (1.17%) Sqoop
16 3 (0.87%) Hazelcast
16 3 (0.87%) MariaDB
17 2 (0.58%) Riak
Development Applications
1 161 (46.94%) Git (software)
2 74 (21.57%) Jenkins
3 51 (14.87%) gulp
4 43 (12.54%) Maven
5 41 (11.95%) Subversion
6 35 (10.20%) IntelliJ
7 34 (9.91%) TeamCity
8 32 (9.33%) Gradle
9 30 (8.75%) Grunt
10 27 (7.87%) Ant
11 26 (7.58%) Hudson
12 25 (7.29%) JUnit
13 23 (6.71%) JIRA
14 19 (5.54%) Cucumber
15 18 (5.25%) Mercurial
16 14 (4.08%) Selenium
16 14 (4.08%) Team Foundation Server
16 14 (4.08%) Visual Studio
17 11 (3.21%) Mockito
17 11 (3.21%) Spock
General
1 50 (14.58%) Finance
2 36 (10.50%) Banking
3 15 (4.37%) Back Office
3 15 (4.37%) Investment Banking
4 7 (2.04%) Marketing
5 6 (1.75%) Retail
6 5 (1.46%) Advertising
6 5 (1.46%) Legal
7 4 (1.17%) Retail Banking
8 2 (0.58%) Billing
8 2 (0.58%) Publishing
9 1 (0.29%) Automotive
9 1 (0.29%) Financial Institution
9 1 (0.29%) Front Office
9 1 (0.29%) Games
9 1 (0.29%) Law
Job Titles
1 249 (72.59%) Developer
2 88 (25.66%) Java Developer
3 49 (14.29%) .NET Developer
3 49 (14.29%) Senior Developer
4 42 (12.24%) C# Developer
5 40 (11.66%) JavaScript Developer
6 39 (11.37%) Architect
7 30 (8.75%) C# .NET Developer
8 24 (7.00%) Agile Developer
8 24 (7.00%) Front End Developer (Client-Side Developer)
9 19 (5.54%) Senior Java Developer
10 16 (4.66%) Analyst
11 15 (4.37%) Full Stack Developer
11 15 (4.37%) Web Developer
12 13 (3.79%) Agile Java Developer
12 13 (3.79%) Senior JavaScript Developer
12 13 (3.79%) Technical Architect
13 12 (3.50%) PHP Developer
13 12 (3.50%) Senior .NET Developer
13 12 (3.50%) Silverlight Developer
Libraries, Frameworks & Software Standards
1 133 (38.78%) CSS
2 115 (33.53%) HTML
3 98 (28.57%) AngularJS
4 91 (26.53%) Web Services
5 84 (24.49%) .NET
6 73 (21.28%) HTML5
7 71 (20.70%) jQuery
7 71 (20.70%) SOAP
8 70 (20.41%) Spring
9 68 (19.83%) XML
10 55 (16.03%) REST
11 53 (15.45%) React
12 51 (14.87%) Node.js
13 43 (12.54%) JSON
14 42 (12.24%) ASP.NET
15 41 (11.95%) CSS3
16 39 (11.37%) RESTful
17 34 (9.91%) .NET Framework
17 34 (9.91%) Dropwizard
18 32 (9.33%) Play Framework
Miscellaneous
1 27 (7.87%) User Experience
2 26 (7.58%) Computer Science
3 14 (4.08%) Derivative
3 14 (4.08%) Fixed Income
4 12 (3.50%) Analytical Skills
5 10 (2.92%) Greenfield Project
6 9 (2.62%) Distributed Denial-of-Service
6 9 (2.62%) Public Cloud
7 7 (2.04%) Data Structures
7 7 (2.04%) Foreign Exchange (FX)
7 7 (2.04%) Management Information System
7 7 (2.04%) Mobile App
7 7 (2.04%) RIA
7 7 (2.04%) Web 2.0
8 6 (1.75%) Client/Server
8 6 (1.75%) Enterprise Software
8 6 (1.75%) Private Cloud
9 5 (1.46%) Cloud Native
9 5 (1.46%) OTC Derivatives
10 4 (1.17%) Algorithms
Operating Systems
1 69 (20.12%) Linux
2 46 (13.41%) Unix
3 14 (4.08%) Windows
4 7 (2.04%) CentOS
5 6 (1.75%) Red Hat Enterprise Linux
5 6 (1.75%) SUSE
6 4 (1.17%) Ubuntu
7 3 (0.87%) CoreOS
8 2 (0.58%) Android
8 2 (0.58%) Apple iOS
8 2 (0.58%) Solaris
8 2 (0.58%) SUSE Linux Enterprise Server
8 2 (0.58%) Windows Server
9 1 (0.29%) Windows Server 2008
Processes & Methodologies
1 262 (76.38%) Agile Software Development
2 200 (58.31%) TDD
3 155 (45.19%) Continuous Integration
4 154 (44.90%) Scrum
5 113 (32.94%) Test Automation
6 108 (31.49%) MVC
7 94 (27.41%) BDD
8 76 (22.16%) Kanban
9 71 (20.70%) Web Development
10 70 (20.41%) SOA
11 69 (20.12%) OO
11 69 (20.12%) Software Engineering
12 67 (19.53%) Front End Development
13 63 (18.37%) SOLID
14 62 (18.08%) Unit Testing
15 53 (15.45%) Microservices
16 51 (14.87%) Domain-Driven Design
16 51 (14.87%) Pair Programming
17 48 (13.99%) DevOps
18 45 (13.12%) Digital Transformation Programme
Programming Languages
1 179 (52.19%) Java
2 165 (48.10%) JavaScript
3 110 (32.07%) SQL
4 78 (22.74%) C#
5 42 (12.24%) Groovy
6 40 (11.66%) Ruby
7 38 (11.08%) Python
8 34 (9.91%) Scala
9 32 (9.33%) Shell Script
10 25 (7.29%) Perl
11 21 (6.12%) C++
12 19 (5.54%) C
12 19 (5.54%) ES6
13 14 (4.08%) PHP
13 14 (4.08%) PL/SQL
14 13 (3.79%) TypeScript
15 11 (3.21%) Go
15 11 (3.21%) Korn
16 7 (2.04%) XPath
17 6 (1.75%) ECMAScript
Qualifications
1 35 (10.20%) Degree
2 9 (2.62%) Security Cleared
3 7 (2.04%) CISA
3 7 (2.04%) CISM
3 7 (2.04%) CISSP
4 6 (1.75%) Computer Science Degree
4 6 (1.75%) ISEB
4 6 (1.75%) ISTQB Foundation Certification
4 6 (1.75%) Master's Degree
4 6 (1.75%) Sun Certification
5 4 (1.17%) BPSS Clearance
6 3 (0.87%) CFA
6 3 (0.87%) ISTQB
6 3 (0.87%) ISTQB Advanced Certification
6 3 (0.87%) RHCE
6 3 (0.87%) RHCSA
6 3 (0.87%) SC Cleared
7 1 (0.29%) CTC Cleared
7 1 (0.29%) Postgraduate
Quality Assurance & Compliance
1 56 (16.33%) QA
2 15 (4.37%) Dodd-Frank
2 15 (4.37%) EMIR
2 15 (4.37%) MiFID
3 8 (2.33%) FedRAMP
3 8 (2.33%) PCI DSS
4 7 (2.04%) FATCA
System Software
1 23 (6.71%) Docker
2 8 (2.33%) Apache Flume
3 5 (1.46%) HDFS
4 2 (0.58%) Active Directory
4 2 (0.58%) Virtual Machines
5 1 (0.29%) Apache ZooKeeper
5 1 (0.29%) Firmware
Systems Management
1 34 (9.91%) Ansible
2 24 (7.00%) Puppet
3 17 (4.96%) Opscode Chef
4 10 (2.92%) Kibana
4 10 (2.92%) logstash
5 8 (2.33%) Terraform
6 7 (2.04%) Kubernetes
7 6 (1.75%) Graphite
8 4 (1.17%) Mesos
9 3 (0.87%) Control-M
9 3 (0.87%) Docker Swarm
9 3 (0.87%) ITRS Geneos
10 2 (0.58%) Cacti
10 2 (0.58%) CFEngine
10 2 (0.58%) Check_MK
10 2 (0.58%) Consul
10 2 (0.58%) Nagios
10 2 (0.58%) Rundeck
10 2 (0.58%) ZABBIX
11 1 (0.29%) Chronos
Vendors
1 59 (17.20%) Oracle
2 33 (9.62%) New Relic
3 20 (5.83%) Microsoft
4 15 (4.37%) Perforce
5 13 (3.79%) Solace
6 12 (3.50%) Cloudera
7 10 (2.92%) Zend
8 9 (2.62%) IBM
9 8 (2.33%) ATG
10 7 (2.04%) VMware
11 6 (1.75%) OpenLink
12 5 (1.46%) Ab Initio
12 5 (1.46%) Atlassian
12 5 (1.46%) Informatica
13 4 (1.17%) Apigee
13 4 (1.17%) Marketo
13 4 (1.17%) MuleSoft
13 4 (1.17%) Sitecore
13 4 (1.17%) Sybase
14 3 (0.87%) ForgeRock
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