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 29 March 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
29 Mar 2017
Same period 2016 Same period 2015
Rank 411 541 533
Rank change year-on-year +130 -8  
Contract jobs citing Refactoring 198 107 92
As % of all contract IT jobs advertised in the UK 0.44% 0.20% 0.17%
As % of the Processes & Methodologies category 0.53% 0.24% 0.22%
Number of daily rates quoted 139 61 64
Median daily rate £482 £454 £475
Median daily rate % change year-on-year +6.10% -4.36%  
90% offered a daily rate of more than £340 £337 £304
10% offered a daily rate of more than £650 £593 £600
UK excluding London median daily rate £380 £375 £325
% change year-on-year +1.33% +15.38%  
Number of hourly rates quoted 0 2 1
Median hourly rate - £50.00 £71.00
Median hourly rate % change year-on-year - -29.57%  
UK excluding London median hourly rate - - £71.00

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 37580 44576 42623
As % of all contract IT job vacancies advertised in the UK 83.08% 82.82% 79.74%
Number of daily rates quoted 24839 29287 26403
Median daily rate £450 £430 £418
Median daily rate % change year-on-year +4.77% +2.87%  
90% offered a daily rate of more than £300 £300 £275
10% offered a daily rate of more than £600 £600 £575
UK excluding London median daily rate £410 £400 £396
% change year-on-year +2.50% +1.01%  
Number of hourly rates quoted 953 1111 1229
Median hourly rate £35.00 £37.50 £28.25
Median hourly rate % change year-on-year -6.66% +32.74%  
90% offered a hourly rate of more than £13.00 £13.00 £12.10
10% offered a hourly rate of more than £53.00 £55.00 £49.50
UK excluding London median hourly rate £35.75 £38.50 £30.00
% change year-on-year -7.14% +28.33%  

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 29 March 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
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 29 March 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 +136 188 £480 +5.26% 48
London +73 122 £535 +7.00% 12
City of London +9 22 £525 +5.00% 1
East Midlands +10 16 £380 -10.58% 3
South East +23 13 £395 +31.66% 14
South West +2 11 £368 -2.00% 1
Scotland +30 9 £413 +7.84% 1
East of England - 9 £525 - 3
Glasgow - 8 £413 -
Leicester - 8 £380 - 1
Leicestershire - 8 £380 - 3
North West +34 7 £285 -16.17% 12
Somerset - 7 £313 -
Yorkshire +19 6 £340 -22.72% 1
Oxfordshire -2 5 £320 +6.66% 2
Hertfordshire - 5 £525 - 1
Devon - 4 £380 -
Plymouth - 4 £380 -
Canary Wharf - 4 £578 -
Manchester +20 3 £285 -15.55% 10
West Midlands +16 3 £484 - 1
Birmingham +3 3 £484 -
Surrey +1 3 £550 - 1
Northamptonshire +1 3 £550 +29.41%
North Yorkshire - 3 £340 - 1
South Yorkshire - 3 £363 -
Sheffield - 3 £363 -
Staines - 3 £550 -
Selby - 3 £340 - 1
Cambridgeshire - 3 £380 - 1

For the 6 months to 29 March 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.

1 257 (79.32%) Agile Software Development
2 200 (61.73%) Java
3 193 (59.57%) TDD
4 175 (54.01%) Scrum
5 153 (47.22%) JavaScript
6 152 (46.91%) Git (software)
7 121 (37.35%) SQL
8 118 (36.42%) Continuous Integration
9 115 (35.49%) BDD
10 104 (32.10%) CSS
11 103 (31.79%) Spring
12 100 (30.86%) HTML
13 94 (29.01%) AngularJS
14 92 (28.40%) Jenkins
14 92 (28.40%) SOAP
15 84 (25.93%) Web Services
16 82 (25.31%) Linux
17 79 (24.38%) REST
18 76 (23.46%) XML
18 76 (23.46%) OO
19 71 (21.91%) Node.js
20 69 (21.30%) jQuery
20 69 (21.30%) MVC
21 66 (20.37%) Kanban
22 62 (19.14%) Relational Database
23 61 (18.83%) Finance
24 60 (18.52%) Maven
25 59 (18.21%) HTML5
26 57 (17.59%) Unix
26 57 (17.59%) DevOps

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 21 (6.48%) Apache
2 15 (4.63%) JBoss
3 14 (4.32%) WebSphere
4 11 (3.40%) OpenStack
5 10 (3.09%) nginx
6 7 (2.16%) Apache Spark
6 7 (2.16%) Oracle SOA Suite
6 7 (2.16%) Tomcat
7 6 (1.85%) Elasticsearch
7 6 (1.85%) Mule
7 6 (1.85%) Oracle Workflow
8 5 (1.54%) IIS
9 3 (0.93%) Apache Solr
9 3 (0.93%) CMS
9 3 (0.93%) Confluence
9 3 (0.93%) IPython
10 2 (0.62%) Adobe Experience Manager
10 2 (0.62%) Apache Pig
10 2 (0.62%) BizTalk Server
10 2 (0.62%) Umbraco
Applications
1 14 (4.32%) MS Excel
2 1 (0.31%) MS Office
Business Applications
1 7 (2.16%) Endur
2 2 (0.62%) Dynamics CRM
Cloud Services
1 38 (11.73%) Amazon AWS
2 15 (4.63%) GitHub
3 7 (2.16%) Microsoft Azure
4 6 (1.85%) SaaS
5 4 (1.23%) Cloud Computing
6 3 (0.93%) AWS CloudFormation
7 2 (0.62%) AWS Elastic Beanstalk
8 1 (0.31%) Amazon EC2
8 1 (0.31%) Google Play
8 1 (0.31%) PaaS
8 1 (0.31%) Virtual Private Cloud
Communications & Networking
1 12 (3.70%) Internet
2 10 (3.09%) HTTP
3 5 (1.54%) Network Security
4 4 (1.23%) TCP/IP
5 2 (0.62%) Firewall
6 1 (0.31%) AMQP
6 1 (0.31%) Intranet
6 1 (0.31%) SSL
Database & Business Intelligence
1 62 (19.14%) Relational Database
2 54 (16.67%) MongoDB
3 39 (12.04%) SQL Server
4 31 (9.57%) NoSQL
5 30 (9.26%) PostgreSQL
6 26 (8.02%) MySQL
7 23 (7.10%) Big Data
8 19 (5.86%) Redis
9 17 (5.25%) DB2
10 14 (4.32%) RDBMS
11 12 (3.70%) CouchDB
12 7 (2.16%) Couchbase
13 6 (1.85%) SQL Server 2012
14 5 (1.54%) Apache Cassandra
14 5 (1.54%) Hazelcast
14 5 (1.54%) Neo4j
15 4 (1.23%) Hadoop
16 3 (0.93%) Apache Hive
16 3 (0.93%) DataStax
17 2 (0.62%) SQL Server 2014
Development Applications
1 152 (46.91%) Git (software)
2 92 (28.40%) Jenkins
3 60 (18.52%) Maven
4 50 (15.43%) JIRA
4 50 (15.43%) JUnit
5 48 (14.81%) TeamCity
6 44 (13.58%) Gradle
7 37 (11.42%) Mockito
8 35 (10.80%) Subversion
9 32 (9.88%) Spock
10 25 (7.72%) Cucumber
10 25 (7.72%) Hudson
11 24 (7.41%) Ant
11 24 (7.41%) gulp
12 18 (5.56%) IntelliJ
12 18 (5.56%) Selenium
13 17 (5.25%) Grunt
14 16 (4.94%) Mercurial
15 13 (4.01%) NUnit
16 10 (3.09%) Vagrant
General
1 61 (18.83%) Finance
2 53 (16.36%) Banking
3 16 (4.94%) Investment Banking
4 15 (4.63%) Back Office
5 13 (4.01%) Retail
6 7 (2.16%) Legal
7 6 (1.85%) Games
8 3 (0.93%) Online Betting
8 3 (0.93%) Retail Banking
8 3 (0.93%) Telecoms
9 2 (0.62%) Marketing
10 1 (0.31%) Advertising
10 1 (0.31%) Automotive
10 1 (0.31%) Billing
10 1 (0.31%) Dutch Language
10 1 (0.31%) Financial Institution
10 1 (0.31%) French Language
10 1 (0.31%) Publishing
Job Titles
1 239 (73.77%) Developer
2 106 (32.72%) Java Developer
3 55 (16.98%) Senior Developer
4 37 (11.42%) .NET Developer
5 33 (10.19%) JavaScript Developer
6 31 (9.57%) C# Developer
7 27 (8.33%) Architect
7 27 (8.33%) Senior Java Developer
8 25 (7.72%) C# .NET Developer
9 24 (7.41%) Agile Developer
10 18 (5.56%) Front End Developer (Client-Side Developer)
11 16 (4.94%) Full Stack Developer
12 13 (4.01%) DevOps Engineer
12 13 (4.01%) Senior Front-End Developer
12 13 (4.01%) Senior JavaScript Developer
12 13 (4.01%) Web Developer
13 12 (3.70%) Agile Java Developer
13 12 (3.70%) E-Commerce Developer
13 12 (3.70%) Senior Agile Developer
13 12 (3.70%) Silverlight Developer
Libraries, Frameworks & Software Standards
1 104 (32.10%) CSS
2 103 (31.79%) Spring
3 100 (30.86%) HTML
4 94 (29.01%) AngularJS
5 92 (28.40%) SOAP
6 84 (25.93%) Web Services
7 79 (24.38%) REST
8 76 (23.46%) XML
9 71 (21.91%) Node.js
10 69 (21.30%) jQuery
11 59 (18.21%) HTML5
12 55 (16.98%) .NET
13 53 (16.36%) JSON
14 51 (15.74%) Hibernate
15 43 (13.27%) CSS3
16 36 (11.11%) JMS
17 35 (10.80%) Gherkin
17 35 (10.80%) React
18 32 (9.88%) RESTful
19 31 (9.57%) XSLT
Miscellaneous
1 32 (9.88%) User Experience
2 26 (8.02%) Computer Science
3 14 (4.32%) Foreign Exchange (FX)
4 13 (4.01%) Fixed Income
5 12 (3.70%) Derivative
6 9 (2.78%) Analytical Skills
7 8 (2.47%) Enterprise Software
8 6 (1.85%) Online Games
9 5 (1.54%) Mobile App
9 5 (1.54%) OTC Derivatives
9 5 (1.54%) RIA
9 5 (1.54%) Web 2.0
10 4 (1.23%) Algorithms
10 4 (1.23%) Contactless
10 4 (1.23%) EMV
11 3 (0.93%) Distributed Denial-of-Service
11 3 (0.93%) Equities
11 3 (0.93%) Management Information System
11 3 (0.93%) Mobile Games
11 3 (0.93%) Private Cloud
Operating Systems
1 82 (25.31%) Linux
2 57 (17.59%) Unix
3 8 (2.47%) Windows
4 7 (2.16%) Red Hat Enterprise Linux
5 6 (1.85%) CentOS
5 6 (1.85%) SUSE
5 6 (1.85%) Ubuntu
6 3 (0.93%) Android
Processes & Methodologies
1 257 (79.32%) Agile Software Development
2 193 (59.57%) TDD
3 175 (54.01%) Scrum
4 118 (36.42%) Continuous Integration
5 115 (35.49%) BDD
6 76 (23.46%) OO
7 69 (21.30%) MVC
8 66 (20.37%) Kanban
9 57 (17.59%) DevOps
10 53 (16.36%) Software Engineering
11 49 (15.12%) E-Commerce
11 49 (15.12%) Microservices
12 47 (14.51%) SOA
12 47 (14.51%) Unit Testing
13 44 (13.58%) Front End Development
14 43 (13.27%) Web Development
15 42 (12.96%) SOLID
16 40 (12.35%) Automated Testing
16 40 (12.35%) Continuous Improvement
16 40 (12.35%) SDLC
Programming Languages
1 200 (61.73%) Java
2 153 (47.22%) JavaScript
3 121 (37.35%) SQL
4 52 (16.05%) C#
5 47 (14.51%) Shell Script
6 40 (12.35%) Ruby
7 32 (9.88%) Korn
8 27 (8.33%) Python
9 26 (8.02%) Scala
10 21 (6.48%) ES6
11 20 (6.17%) Groovy
12 18 (5.56%) XPath
13 17 (5.25%) Perl
14 15 (4.63%) C
14 15 (4.63%) C++
15 14 (4.32%) PL/SQL
16 13 (4.01%) PHP
17 12 (3.70%) TypeScript
18 8 (2.47%) VBScript
19 7 (2.16%) ECMAScript
Qualifications
1 42 (12.96%) Degree
2 6 (1.85%) Security Cleared
2 6 (1.85%) Sun Certification
3 4 (1.23%) ISEB
3 4 (1.23%) ISTQB Foundation Certification
4 3 (0.93%) BPSS Clearance
4 3 (0.93%) CFA
4 3 (0.93%) CISA
4 3 (0.93%) CISM
4 3 (0.93%) CISSP
4 3 (0.93%) ISTQB
4 3 (0.93%) ISTQB Advanced Certification
4 3 (0.93%) SC Cleared
5 1 (0.31%) CTC Cleared
Quality Assurance & Compliance
1 35 (10.80%) QA
2 21 (6.48%) FATCA
3 15 (4.63%) Dodd-Frank
3 15 (4.63%) EMIR
3 15 (4.63%) MiFID
4 3 (0.93%) FedRAMP
4 3 (0.93%) PCI DSS
4 3 (0.93%) SDET
System Software
1 26 (8.02%) Docker
2 4 (1.23%) Apache Flume
3 2 (0.62%) HDFS
3 2 (0.62%) Virtual Machines
4 1 (0.31%) Apache ZooKeeper
4 1 (0.31%) Firmware
4 1 (0.31%) Varnish
Systems Management
1 26 (8.02%) Ansible
2 21 (6.48%) Puppet
3 14 (4.32%) Opscode Chef
4 5 (1.54%) Kibana
4 5 (1.54%) logstash
5 3 (0.93%) Control-M
5 3 (0.93%) Graphite
5 3 (0.93%) ITRS Geneos
5 3 (0.93%) Kubernetes
6 2 (0.62%) Cacti
6 2 (0.62%) Check_MK
6 2 (0.62%) Nagios
6 2 (0.62%) Rundeck
6 2 (0.62%) ZABBIX
7 1 (0.31%) Computer Emergency Response Teams
7 1 (0.31%) Terraform
Vendors
1 55 (16.98%) Oracle
2 32 (9.88%) Solace
3 20 (6.17%) MuleSoft
4 16 (4.94%) New Relic
5 15 (4.63%) Perforce
6 13 (4.01%) Microsoft
7 10 (3.09%) Zend
8 8 (2.47%) IBM
9 7 (2.16%) Apigee
9 7 (2.16%) Cloudera
9 7 (2.16%) OpenLink
9 7 (2.16%) VMware
10 6 (1.85%) ATG
10 6 (1.85%) Atlassian
11 4 (1.23%) Ab Initio
11 4 (1.23%) Informatica
12 3 (0.93%) Bloomberg
12 3 (0.93%) TIBCO
13 2 (0.62%) Adobe
13 2 (0.62%) Splunk
Manchester
Computer Futures
Rate: competitive
Posted: 6 hours ago
Leicestershire
Lawrence Harvey Enterprise
Rate: £300.00 - £380.00 per day
Posted: Yesterday
Greater Manchester
Oscar
Rate: £300 - £325 per day
Posted: 2 days ago
Manchester, Lancashire
Experis Ltd
Rate: £300.00 - £380.00 per day
Posted: Yesterday
Oxfordshire
Salmon Limited
Rate: Excellent rates
Posted: Yesterday
Greater Manchester
Progressive Recruitment
Rate: £300 - £301 per day + competitive
Posted: 6 days ago
Newport, Gwent
LA International
Rate: £400 - £500 per day
Posted: 5 days ago
West London
Opus Resourcing Ltd
Rate: £375 - £440 per day + 6 Month Contract
Posted: 6 days ago
Salford, Lancashire
BBC Research & Development
Posted: 12 days ago
Cambridge
OHO Group Ltd.
Rate: £400 - £500 per annum
Posted: 15 days ago