Period
to 17 November 2017

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 6 months to 17 November 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
6 months to
17 Nov 2017
Same period 2016 Same period 2015
Rank 549 592 612
Rank change year-on-year +43 +20 -21
Contract jobs citing Refactoring 312 278 268
As % of all contract IT jobs advertised in England 0.33% 0.28% 0.26%
As % of the Processes & Methodologies category 0.39% 0.34% 0.31%
Number of daily rates quoted 235 183 200
England median daily rate £470 £500 £400
Median daily rate % change year-on-year -6.00% +25.00% -11.11%
10th Percentile £335 £355 £300
90th Percentile £613 £600 £588
UK median daily rate £470 £500 £400
% change year-on-year -6.00% +25.00% -11.11%
Number of hourly rates quoted 2 2 1
England median hourly rate £19.30 £46.25 £45.00
Median hourly rate % change year-on-year -58.28% +2.78% -
10th Percentile £16.64 £42.13 £42.50
90th Percentile £21.95 £49.38 £47.50
UK median hourly rate £19.30 £45.00 £45.00
% change year-on-year -57.12% - -36.62%

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

All Process and Methodology Skills
England
Contract vacancies with a requirement for process or methodology skills 80039 82853 86098
As % of all contract IT jobs advertised in England 84.68% 84.20% 81.95%
Number of daily rates quoted 53826 55230 56760
England median daily rate £450 £425 £420
Median daily rate % change year-on-year +5.88% +1.19% +5.00%
10th Percentile £288 £265 £263
90th Percentile £638 £613 £600
UK median daily rate £450 £425 £413
% change year-on-year +5.88% +3.03% +3.13%
Number of hourly rates quoted 1870 2132 2519
England median hourly rate £24.00 £24.03 £22.50
Median hourly rate % change year-on-year -0.12% +6.80% +18.42%
10th Percentile £11.35 £11.50 £11.50
90th Percentile £50.00 £48.75 £47.50
UK median hourly rate £23.75 £24.00 £22.50
% change year-on-year -1.04% +6.67% +18.42%

Refactoring
Job Vacancy Trend in England

Job postings citing Refactoring as a percentage of all IT jobs advertised in England.

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 6 months to 17 November 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
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 6 months to 17 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
London -60 143 £550 +4.76% 10
South East +67 100 £350 -12.50% 2
Midlands +32 24 £470 -14.55% 1
North of England +70 20 £388 +5.44% 2
West Midlands +35 17 £470 +34.29% 1
North West +31 17 £388 +5.44% 1
East of England -9 16 £525 +50.00% 3
South West +8 9 £346 -2.88% 2
East Midlands -6 7 £550 -
Yorkshire +30 2 £500 - 1
North East - 1 £338 -
Refactoring
UK

For the 6 months to 17 November 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.

1 218 (69.87%) Agile Software Development
2 199 (63.78%) TDD
3 149 (47.76%) MVC
4 146 (46.79%) Continuous Integration
5 134 (42.95%) Scrum
6 129 (41.35%) Web Services
7 126 (40.38%) JavaScript
8 121 (38.78%) .NET
9 118 (37.82%) Git (software)
10 115 (36.86%) C#
11 113 (36.22%) Java
12 109 (34.94%) CSS
13 106 (33.97%) HTML
14 99 (31.73%) Web Development
15 93 (29.81%) SQL Server
16 91 (29.17%) Test Automation
17 88 (28.21%) BDD
18 78 (25.00%) AngularJS
19 76 (24.36%) ASP.NET
20 72 (23.08%) Amazon AWS
20 72 (23.08%) HTML5
21 71 (22.76%) Pair Programming
22 68 (21.79%) Microsoft
23 67 (21.47%) ASP.NET MVC
24 66 (21.15%) SQL
25 64 (20.51%) ASP.NET Web API
26 63 (20.19%) Kanban
26 63 (20.19%) MongoDB
27 61 (19.55%) Oracle
28 60 (19.23%) Software Engineering

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 24 (7.69%) Apache Spark
2 17 (5.45%) Elasticsearch
3 12 (3.85%) CMS
4 11 (3.53%) Apache
4 11 (3.53%) IIS
5 10 (3.21%) EPiServer
6 7 (2.24%) Sitecore CMS
7 6 (1.92%) Apache Airflow
7 6 (1.92%) JBoss
7 6 (1.92%) Luigi
7 6 (1.92%) WordPress
8 4 (1.28%) SharePoint
8 4 (1.28%) Tomcat
8 4 (1.28%) WebSphere
9 3 (0.96%) Apache Solr
9 3 (0.96%) Confluence
9 3 (0.96%) nginx
9 3 (0.96%) Oracle SOA Suite
9 3 (0.96%) TPMS
10 2 (0.64%) BizTalk Server
Applications
1 6 (1.92%) Pipeline Pilot
2 5 (1.60%) Adobe Creative Suite
2 5 (1.60%) Photoshop
3 1 (0.32%) Simulink
Business Applications
1 7 (2.24%) Markit EDM
2 3 (0.96%) Eloqua
2 3 (0.96%) Endur
2 3 (0.96%) MetaTrader
3 2 (0.64%) Dynamics CRM
4 1 (0.32%) Magento
4 1 (0.32%) SAP Hybris
Cloud Services
1 72 (23.08%) Amazon AWS
2 44 (14.10%) Microsoft Azure
3 12 (3.85%) PaaS
4 8 (2.56%) IaaS
5 6 (1.92%) SaaS
6 5 (1.60%) Heroku
7 4 (1.28%) GitHub
8 3 (0.96%) AWS CloudFormation
8 3 (0.96%) Google Cloud Platform
8 3 (0.96%) npm
9 2 (0.64%) Cloud Computing
10 1 (0.32%) Office 365
Communications & Networking
1 12 (3.85%) HTTP
2 10 (3.21%) DNS
2 10 (3.21%) TCP/IP
3 9 (2.88%) SSL
4 6 (1.92%) ICMP
5 5 (1.60%) SMS
6 4 (1.28%) FTP
7 2 (0.64%) Internet
7 2 (0.64%) LDAP
7 2 (0.64%) Network Security
8 1 (0.32%) Firewall
8 1 (0.32%) Kerberos
Database & Business Intelligence
1 93 (29.81%) SQL Server
2 63 (20.19%) MongoDB
3 28 (8.97%) Hadoop
4 22 (7.05%) Big Data
4 22 (7.05%) NoSQL
5 17 (5.45%) PostgreSQL
5 17 (5.45%) Relational Database
6 14 (4.49%) SQL Server Integration Services
7 12 (3.85%) MySQL
8 8 (2.56%) Data Warehouse
9 7 (2.24%) SQL Server Reporting Services
10 6 (1.92%) Data Mining
10 6 (1.92%) KNIME
11 5 (1.60%) CouchDB
11 5 (1.60%) DataStax
11 5 (1.60%) OLAP
11 5 (1.60%) OLAP Cube
11 5 (1.60%) RDBMS
11 5 (1.60%) SQL Server 2014
12 4 (1.28%) Couchbase
Development Applications
1 118 (37.82%) Git (software)
2 54 (17.31%) gulp
3 44 (14.10%) IntelliJ
4 42 (13.46%) Grunt
5 19 (6.09%) Jenkins
5 19 (6.09%) Subversion
6 18 (5.77%) Selenium
7 14 (4.49%) JIRA
7 14 (4.49%) Maven
7 14 (4.49%) Team Foundation Server
8 13 (4.17%) JUnit
9 10 (3.21%) TeamCity
10 9 (2.88%) Visual Studio
11 8 (2.56%) Gradle
11 8 (2.56%) Mercurial
12 7 (2.24%) Bitbucket
12 7 (2.24%) Cucumber
13 5 (1.60%) NUnit
13 5 (1.60%) Octopus Deploy
13 5 (1.60%) ReSharper
General
1 49 (15.71%) Finance
2 17 (5.45%) Banking
3 7 (2.24%) Games
4 6 (1.92%) Front Office
4 6 (1.92%) Retail
5 4 (1.28%) Advertising
5 4 (1.28%) Back Office
5 4 (1.28%) Marketing
6 2 (0.64%) Pharmaceutical
6 2 (0.64%) Spanish Language
7 1 (0.32%) Billing
7 1 (0.32%) Investment Banking
7 1 (0.32%) Legal
7 1 (0.32%) Online Betting
7 1 (0.32%) Publishing
7 1 (0.32%) Telecoms
Job Titles
1 243 (77.88%) Developer
2 96 (30.77%) .NET Developer
3 59 (18.91%) Java Developer
4 53 (16.99%) C# Developer
5 41 (13.14%) C# .NET Developer
6 33 (10.58%) Architect
7 31 (9.94%) SQL Developer
8 30 (9.62%) Senior Developer
9 28 (8.97%) Agile Developer
10 18 (5.77%) Web Developer
11 17 (5.45%) .NET Web Developer
12 16 (5.13%) Agile .NET Developer
12 16 (5.13%) Agile C# Developer
12 16 (5.13%) SQL Server Developer
13 14 (4.49%) Senior Java Developer
14 12 (3.85%) Agile Java Developer
14 12 (3.85%) ASP.NET MVC Developer
14 12 (3.85%) Full Stack Developer
14 12 (3.85%) JavaScript Developer
14 12 (3.85%) Python Developer
Libraries, Frameworks & Software Standards
1 129 (41.35%) Web Services
2 121 (38.78%) .NET
3 109 (34.94%) CSS
4 106 (33.97%) HTML
5 78 (25.00%) AngularJS
6 76 (24.36%) ASP.NET
7 72 (23.08%) HTML5
8 67 (21.47%) ASP.NET MVC
9 64 (20.51%) ASP.NET Web API
10 47 (15.06%) Dropwizard
11 42 (13.46%) Hystrix
11 42 (13.46%) React
11 42 (13.46%) REST
11 42 (13.46%) Scalatra
12 41 (13.14%) WCF
13 40 (12.82%) Play Framework
14 38 (12.18%) SOAP
15 33 (10.58%) Spring
16 32 (10.26%) jQuery
17 31 (9.94%) RESTful
Miscellaneous
1 51 (16.35%) N-Tier
2 17 (5.45%) Computer Science
3 16 (5.13%) User Experience
4 13 (4.17%) Wiki
5 11 (3.53%) Algorithms
6 10 (3.21%) Data Structures
7 9 (2.88%) Analytical Skills
8 8 (2.56%) Derivative
8 8 (2.56%) Public Cloud
9 7 (2.24%) Fintech
9 7 (2.24%) Foreign Exchange (FX)
10 6 (1.92%) Client/Server
10 6 (1.92%) Cloud Native
10 6 (1.92%) Life Science
11 5 (1.60%) Distributed Denial-of-Service
11 5 (1.60%) Fixed Income
11 5 (1.60%) Greenfield Project
12 4 (1.28%) Management Information System
13 3 (0.96%) Market Risk
13 3 (0.96%) Mobile App
Operating Systems
1 44 (14.10%) Linux
2 25 (8.01%) Unix
2 25 (8.01%) Windows
3 4 (1.28%) Apple iOS
3 4 (1.28%) CentOS
3 4 (1.28%) CoreOS
3 4 (1.28%) Ubuntu
4 3 (0.96%) OpenVMS
4 3 (0.96%) VME
4 3 (0.96%) Windows Server
5 1 (0.32%) Android
5 1 (0.32%) DC/OS
5 1 (0.32%) Red Hat Enterprise Linux
5 1 (0.32%) Windows Server 2008
Processes & Methodologies
1 218 (69.87%) Agile Software Development
2 199 (63.78%) TDD
3 149 (47.76%) MVC
4 146 (46.79%) Continuous Integration
5 134 (42.95%) Scrum
6 99 (31.73%) Web Development
7 91 (29.17%) Test Automation
8 88 (28.21%) BDD
9 71 (22.76%) Pair Programming
10 63 (20.19%) Kanban
11 60 (19.23%) Software Engineering
12 57 (18.27%) SOLID
13 56 (17.95%) Domain-Driven Design
13 56 (17.95%) SOA
13 56 (17.95%) Unit Testing
14 55 (17.63%) Front End Development
15 48 (15.38%) OO
15 48 (15.38%) Web Application Development
16 44 (14.10%) Microservices
17 43 (13.78%) Digital Transformation Programme
Programming Languages
1 126 (40.38%) JavaScript
2 115 (36.86%) C#
3 113 (36.22%) Java
4 66 (21.15%) SQL
5 45 (14.42%) Groovy
6 32 (10.26%) Python
7 22 (7.05%) Scala
8 16 (5.13%) Perl
9 15 (4.81%) T-SQL
10 14 (4.49%) C++
10 14 (4.49%) Ruby
11 13 (4.17%) C
12 12 (3.85%) Shell Script
13 11 (3.53%) PHP
14 8 (2.56%) Go
15 6 (1.92%) Bash Shell
15 6 (1.92%) VB.NET
16 5 (1.60%) COBOL
17 4 (1.28%) Korn
17 4 (1.28%) TypeScript
Qualifications
1 15 (4.81%) Degree
2 7 (2.24%) Security Cleared
3 6 (1.92%) PhD
4 5 (1.60%) SC Cleared
5 3 (0.96%) CISA
5 3 (0.96%) CISM
5 3 (0.96%) CISSP
6 1 (0.32%) A+ Certification
6 1 (0.32%) BPSS Clearance
6 1 (0.32%) Computer Science Degree
Quality Assurance & Compliance
1 52 (16.67%) QA
2 11 (3.53%) GDPR
3 4 (1.28%) Actionable Recommendations
3 4 (1.28%) EMIR
3 4 (1.28%) FedRAMP
3 4 (1.28%) HIPAA
3 4 (1.28%) MiFID
3 4 (1.28%) PCI DSS
3 4 (1.28%) Sarbanes-Oxley
4 2 (0.64%) Disclosure Scotland
4 2 (0.64%) Dodd-Frank
5 1 (0.32%) FATCA
System Software
1 12 (3.85%) Active Directory
2 10 (3.21%) Virtual Machines
3 9 (2.88%) Docker
4 6 (1.92%) VMware Infrastructure
5 3 (0.96%) Apache Flume
6 2 (0.64%) HDFS
7 1 (0.32%) Oracle RAC
Systems Management
1 21 (6.73%) Ansible
2 18 (5.77%) Puppet
3 11 (3.53%) Opscode Chef
4 6 (1.92%) Terraform
5 4 (1.28%) Docker Swarm
5 4 (1.28%) Mesos
6 3 (0.96%) Grafana
6 3 (0.96%) Kibana
6 3 (0.96%) Kubernetes
6 3 (0.96%) logstash
7 2 (0.64%) Ambari
8 1 (0.32%) Chronos
8 1 (0.32%) Consul
8 1 (0.32%) Data Guard
8 1 (0.32%) Marathon
8 1 (0.32%) Oracle Enterprise Manager
Vendors
1 68 (21.79%) Microsoft
2 61 (19.55%) Oracle
3 42 (13.46%) New Relic
4 15 (4.81%) Cloudera
5 8 (2.56%) Sitecore
6 6 (1.92%) Netezza
6 6 (1.92%) RapidMiner
6 6 (1.92%) VMware
7 5 (1.60%) Adobe
7 5 (1.60%) Google
7 5 (1.60%) Solace
7 5 (1.60%) Twitter
8 4 (1.28%) ForgeRock
8 4 (1.28%) MuleSoft
8 4 (1.28%) TIBCO
9 3 (0.96%) Atlassian
9 3 (0.96%) Fujitsu
9 3 (0.96%) Marketo
9 3 (0.96%) OpenLink
10 2 (0.64%) Salesforce.com