Period
to 24 November 2017

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 6 months to 24 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
6 months to
24 Nov 2017
Same period 2016 Same period 2015
Rank 551 606 623
Rank change year-on-year +55 +17 -21
Contract jobs citing Refactoring 357 289 273
As % of all contract IT jobs advertised in the UK 0.35% 0.28% 0.24%
As % of the Processes & Methodologies category 0.41% 0.33% 0.29%
Number of daily rates quoted 259 186 200
UK median daily rate £470 £506 £400
Median daily rate % change year-on-year -7.16% +26.56% -11.11%
10th Percentile £340 £338 £300
90th Percentile £613 £600 £539
UK excluding London median daily rate £375 £400 £378
% change year-on-year -6.25% +5.96% -5.63%
Number of hourly rates quoted 2 7 1
UK median hourly rate £19.30 £45.00 £45.00
Median hourly rate % change year-on-year -57.12% - -36.62%
10th Percentile £16.64 £41.25 £42.50
90th Percentile £21.95 £49.03 £47.50
UK excluding London median hourly rate £19.30 £45.00 £45.00
% change year-on-year -57.12% - -

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 with a requirement for process or methodology skills.

All Process and Methodology Skills
UK
Contract vacancies with a requirement for process or methodology skills 87050 88088 93684
As % of all contract IT jobs advertised in the UK 84.46% 83.89% 81.81%
Number of daily rates quoted 58011 58216 60663
UK median daily rate £450 £425 £415
Median daily rate % change year-on-year +5.88% +2.41% +3.75%
10th Percentile £281 £263 £263
90th Percentile £635 £600 £600
UK excluding London median daily rate £400 £400 £385
% change year-on-year - +3.90% +2.67%
Number of hourly rates quoted 2044 2370 2759
UK median hourly rate £23.75 £23.72 £22.50
Median hourly rate % change year-on-year +0.15% +5.40% +18.42%
10th Percentile £11.37 £11.25 £11.28
90th Percentile £49.93 £48.75 £47.71
UK excluding London median hourly rate £24.00 £24.00 £23.75
% change year-on-year - +1.05% +18.75%

Refactoring
Job Vacancy Trend

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

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 6 months to 24 November 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 16 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 6 months to 24 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
England +23 311 £470 -8.29% 50
UK excluding London +157 215 £375 -6.25% 29
London -64 142 £550 +4.76% 25
South East +66 100 £350 -12.50% 9
Midlands +34 23 £470 -14.55% 1
Scotland +18 23 £400 +39.13% 1
North of England +64 20 £375 +6.01% 2
North West +37 18 £375 +6.01% 2
Northern Ireland - 18 £475 - 3
West Midlands +31 16 £470 +34.29% 1
East of England +11 16 £525 +50.00% 5
South West +4 10 £346 -2.88% 8
East Midlands -9 7 £550 -
Wales - 5 £425 -
Yorkshire +24 1 £500 -
North East - 1 £338 -

For the 6 months to 24 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 with a requirement for Refactoring.

1 239 (66.95%) Agile Software Development
2 227 (63.59%) TDD
3 172 (48.18%) Continuous Integration
4 151 (42.30%) MVC
5 147 (41.18%) C#
6 143 (40.06%) Scrum
7 136 (38.10%) Web Services
8 134 (37.54%) .NET
9 133 (37.25%) JavaScript
10 121 (33.89%) Git (software)
11 119 (33.33%) Java
12 117 (32.77%) CSS
13 113 (31.65%) Test Automation
14 112 (31.37%) HTML
15 103 (28.85%) Web Development
16 97 (27.17%) SQL Server
17 91 (25.49%) BDD
18 88 (24.65%) ASP.NET
19 80 (22.41%) AngularJS
20 75 (21.01%) Microsoft
21 71 (19.89%) SQL
21 71 (19.89%) HTML5
21 71 (19.89%) Amazon AWS
22 70 (19.61%) ASP.NET MVC
22 70 (19.61%) Pair Programming
23 68 (19.05%) Kanban
24 67 (18.77%) ASP.NET Web API
25 66 (18.49%) Unit Testing
25 66 (18.49%) MongoDB
26 65 (18.21%) Oracle

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 23 (6.44%) Apache Spark
2 17 (4.76%) Elasticsearch
3 14 (3.92%) CMS
4 12 (3.36%) SharePoint
5 11 (3.08%) IIS
6 10 (2.80%) Apache
6 10 (2.80%) EPiServer
7 7 (1.96%) Sitecore CMS
8 6 (1.68%) Apache Airflow
8 6 (1.68%) JBoss
8 6 (1.68%) Luigi
8 6 (1.68%) WordPress
9 5 (1.40%) Tomcat
10 4 (1.12%) WebSphere
11 3 (0.84%) Apache Solr
11 3 (0.84%) Confluence
11 3 (0.84%) nginx
11 3 (0.84%) Oracle SOA Suite
11 3 (0.84%) TPMS
12 2 (0.56%) Umbraco
Applications
1 6 (1.68%) Pipeline Pilot
2 5 (1.40%) Adobe Creative Suite
2 5 (1.40%) Photoshop
3 1 (0.28%) Simulink
Business Applications
1 7 (1.96%) Markit EDM
2 3 (0.84%) Eloqua
2 3 (0.84%) Endur
2 3 (0.84%) MetaTrader
3 2 (0.56%) Dynamics CRM
4 1 (0.28%) Magento
4 1 (0.28%) SAP Hybris
4 1 (0.28%) Summit
Cloud Services
1 71 (19.89%) Amazon AWS
2 45 (12.61%) Microsoft Azure
3 12 (3.36%) PaaS
4 8 (2.24%) IaaS
5 6 (1.68%) SaaS
6 5 (1.40%) Heroku
6 5 (1.40%) npm
6 5 (1.40%) Office 365
7 4 (1.12%) GitHub
8 3 (0.84%) AWS CloudFormation
8 3 (0.84%) Google Cloud Platform
9 2 (0.56%) Cloud Computing
10 1 (0.28%) Amazon S3
Communications & Networking
1 16 (4.48%) HTTP
2 9 (2.52%) DNS
2 9 (2.52%) TCP/IP
3 8 (2.24%) Intranet
3 8 (2.24%) SSL
4 5 (1.40%) ICMP
4 5 (1.40%) SMS
5 4 (1.12%) FTP
6 3 (0.84%) Internet
7 2 (0.56%) Network Security
8 1 (0.28%) Firewall
8 1 (0.28%) LDAP
Database & Business Intelligence
1 97 (27.17%) SQL Server
2 66 (18.49%) MongoDB
3 27 (7.56%) Hadoop
4 24 (6.72%) NoSQL
5 21 (5.88%) Big Data
6 20 (5.60%) Relational Database
7 19 (5.32%) PostgreSQL
8 14 (3.92%) SQL Server Integration Services
9 11 (3.08%) MySQL
10 8 (2.24%) Data Warehouse
11 7 (1.96%) SQL Server Reporting Services
12 6 (1.68%) CouchDB
12 6 (1.68%) Data Mining
12 6 (1.68%) KNIME
12 6 (1.68%) RDBMS
13 5 (1.40%) DataStax
13 5 (1.40%) OLAP
13 5 (1.40%) OLAP Cube
13 5 (1.40%) SQL Server 2014
14 4 (1.12%) Redis
Development Applications
1 121 (33.89%) Git (software)
2 51 (14.29%) gulp
3 42 (11.76%) IntelliJ
4 39 (10.92%) Grunt
5 36 (10.08%) Visual Studio
6 24 (6.72%) Jenkins
7 22 (6.16%) Subversion
8 18 (5.04%) Selenium
9 15 (4.20%) JUnit
9 15 (4.20%) Maven
10 14 (3.92%) JIRA
10 14 (3.92%) Team Foundation Server
11 11 (3.08%) Gradle
11 11 (3.08%) TeamCity
12 9 (2.52%) Mercurial
13 7 (1.96%) Bitbucket
13 7 (1.96%) Cucumber
14 6 (1.68%) Bower
14 6 (1.68%) Hudson
14 6 (1.68%) NUnit
General
1 62 (17.37%) Finance
2 30 (8.40%) Banking
3 7 (1.96%) Front Office
3 7 (1.96%) Games
3 7 (1.96%) Retail
4 5 (1.40%) Advertising
5 4 (1.12%) Back Office
5 4 (1.12%) Marketing
6 2 (0.56%) Investment Banking
6 2 (0.56%) Pharmaceutical
6 2 (0.56%) Spanish Language
7 1 (0.28%) Billing
7 1 (0.28%) Legal
7 1 (0.28%) Online Betting
7 1 (0.28%) Publishing
7 1 (0.28%) Telecoms
Job Titles
1 284 (79.55%) Developer
2 100 (28.01%) .NET Developer
3 75 (21.01%) C# Developer
4 63 (17.65%) Java Developer
5 47 (13.17%) Senior Developer
6 45 (12.61%) C# .NET Developer
7 38 (10.64%) Architect
8 33 (9.24%) SQL Developer
9 31 (8.68%) Agile Developer
10 20 (5.60%) C++ Developer
11 19 (5.32%) Senior C# Developer
11 19 (5.32%) Web Developer
12 17 (4.76%) .NET Web Developer
12 17 (4.76%) C++/C# Developer
13 16 (4.48%) Agile .NET Developer
13 16 (4.48%) Agile C# Developer
13 16 (4.48%) Senior C++ Developer
13 16 (4.48%) Senior Java Developer
13 16 (4.48%) SQL Server Developer
14 15 (4.20%) JavaScript Developer
Libraries, Frameworks & Software Standards
1 136 (38.10%) Web Services
2 134 (37.54%) .NET
3 117 (32.77%) CSS
4 112 (31.37%) HTML
5 88 (24.65%) ASP.NET
6 80 (22.41%) AngularJS
7 71 (19.89%) HTML5
8 70 (19.61%) ASP.NET MVC
9 67 (18.77%) ASP.NET Web API
10 44 (12.32%) Dropwizard
10 44 (12.32%) React
10 44 (12.32%) REST
11 43 (12.04%) WCF
12 41 (11.48%) SOAP
13 39 (10.92%) Hystrix
13 39 (10.92%) jQuery
13 39 (10.92%) Scalatra
14 38 (10.64%) Spring
15 37 (10.36%) Play Framework
15 37 (10.36%) RESTful
Miscellaneous
1 53 (14.85%) N-Tier
2 28 (7.84%) Data Structures
3 18 (5.04%) Derivative
4 17 (4.76%) Computer Science
4 17 (4.76%) User Experience
5 13 (3.64%) Wiki
6 11 (3.08%) Algorithms
7 10 (2.80%) Analytical Skills
8 8 (2.24%) Foreign Exchange (FX)
8 8 (2.24%) Public Cloud
9 7 (1.96%) Fintech
10 6 (1.68%) Cloud Native
10 6 (1.68%) Greenfield Project
10 6 (1.68%) Life Science
11 5 (1.40%) Client/Server
11 5 (1.40%) Distributed Denial-of-Service
11 5 (1.40%) Fixed Income
11 5 (1.40%) Management Information System
12 4 (1.12%) Hybrid Cloud
12 4 (1.12%) RIA
Operating Systems
1 49 (13.73%) Linux
2 30 (8.40%) Windows
3 25 (7.00%) Unix
4 4 (1.12%) Apple iOS
4 4 (1.12%) CentOS
4 4 (1.12%) CoreOS
4 4 (1.12%) Mac OS X
4 4 (1.12%) Ubuntu
4 4 (1.12%) Windows Server 2012
5 3 (0.84%) OpenVMS
5 3 (0.84%) VME
5 3 (0.84%) Windows Server
6 1 (0.28%) Android
6 1 (0.28%) DC/OS
Processes & Methodologies
1 239 (66.95%) Agile Software Development
2 227 (63.59%) TDD
3 172 (48.18%) Continuous Integration
4 151 (42.30%) MVC
5 143 (40.06%) Scrum
6 113 (31.65%) Test Automation
7 103 (28.85%) Web Development
8 91 (25.49%) BDD
9 70 (19.61%) Pair Programming
10 68 (19.05%) Kanban
11 66 (18.49%) Unit Testing
12 62 (17.37%) Software Engineering
13 58 (16.25%) Front End Development
14 54 (15.13%) SOLID
15 53 (14.85%) Domain-Driven Design
15 53 (14.85%) SOA
16 49 (13.73%) Microservices
17 48 (13.45%) OO
18 45 (12.61%) Web Application Development
19 40 (11.20%) Digital Transformation Programme
Programming Languages
1 147 (41.18%) C#
2 133 (37.25%) JavaScript
3 119 (33.33%) Java
4 71 (19.89%) SQL
5 42 (11.76%) Groovy
6 35 (9.80%) Python
7 31 (8.68%) C++
8 21 (5.88%) Scala
9 17 (4.76%) Perl
10 16 (4.48%) T-SQL
11 13 (3.64%) Ruby
12 12 (3.36%) C
12 12 (3.36%) Shell Script
13 11 (3.08%) PHP
14 7 (1.96%) Go
15 6 (1.68%) VB.NET
16 5 (1.40%) Bash Shell
16 5 (1.40%) COBOL
16 5 (1.40%) ES6
17 4 (1.12%) TypeScript
Qualifications
1 17 (4.76%) Degree
2 9 (2.52%) Security Cleared
3 6 (1.68%) PhD
4 5 (1.40%) SC Cleared
5 3 (0.84%) CISA
5 3 (0.84%) CISM
5 3 (0.84%) CISSP
5 3 (0.84%) Computer Science Degree
6 1 (0.28%) A+ Certification
6 1 (0.28%) BPSS Clearance
Quality Assurance & Compliance
1 50 (14.01%) QA
2 11 (3.08%) GDPR
3 4 (1.12%) Actionable Recommendations
3 4 (1.12%) EMIR
3 4 (1.12%) FedRAMP
3 4 (1.12%) HIPAA
3 4 (1.12%) MiFID
3 4 (1.12%) PCI DSS
3 4 (1.12%) Sarbanes-Oxley
4 2 (0.56%) Disclosure Scotland
4 2 (0.56%) Dodd-Frank
5 1 (0.28%) FATCA
System Software
1 13 (3.64%) Docker
2 12 (3.36%) Active Directory
3 10 (2.80%) Virtual Machines
4 6 (1.68%) VMware Infrastructure
5 4 (1.12%) Hyper-V
5 4 (1.12%) XenApp
6 3 (0.84%) Apache Flume
7 1 (0.28%) HDFS
7 1 (0.28%) Oracle RAC
Systems Management
1 21 (5.88%) Ansible
2 17 (4.76%) Puppet
3 10 (2.80%) Opscode Chef
4 6 (1.68%) Terraform
5 4 (1.12%) Docker Swarm
5 4 (1.12%) Mesos
6 3 (0.84%) Grafana
6 3 (0.84%) Kibana
6 3 (0.84%) logstash
7 2 (0.56%) Ambari
7 2 (0.56%) Kubernetes
8 1 (0.28%) Chronos
8 1 (0.28%) Consul
8 1 (0.28%) Data Guard
8 1 (0.28%) Marathon
8 1 (0.28%) Oracle Enterprise Manager
Vendors
1 75 (21.01%) Microsoft
2 65 (18.21%) Oracle
3 39 (10.92%) New Relic
4 14 (3.92%) Cloudera
5 12 (3.36%) VMware
6 8 (2.24%) Sitecore
7 6 (1.68%) Netezza
7 6 (1.68%) RapidMiner
8 5 (1.40%) Adobe
8 5 (1.40%) Google
8 5 (1.40%) Solace
8 5 (1.40%) Twitter
9 4 (1.12%) Citrix
9 4 (1.12%) ForgeRock
9 4 (1.12%) MuleSoft
9 4 (1.12%) TIBCO
10 3 (0.84%) ATG
10 3 (0.84%) Atlassian
10 3 (0.84%) Fujitsu
10 3 (0.84%) OpenLink