The following table provides summary statistics for contract job vacancies advertised in Hertfordshire 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 27 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
East of England / Hertfordshire
3 months to
27 Mar 2017
Same period 2016 Same period 2015
Rank 53 - -
Rank change year-on-year - 0  
Contract jobs citing Refactoring 5 0 0
As % of all contract IT jobs advertised in Hertfordshire 0.84% - -
As % of the Processes & Methodologies category 1.08% - -
Number of daily rates quoted 2 0 0
Median daily rate £525 - -
UK excluding London median daily rate £380 £375 £325
% change year-on-year +1.33% +15.38%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
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 advertised in Hertfordshire with a requirement for process and methodology skills.

Contract Process & Methodology Skills
Hertfordshire
Contract job vacancies with a requirement for process and methodology skills 462 521 541
As % of all contract IT job vacancies advertised in Hertfordshire 78.04% 76.17% 76.41%
Number of daily rates quoted 249 277 282
Median daily rate £475 £425 £400
Median daily rate % change year-on-year +11.76% +6.25%  
90% offered a daily rate of more than £275 £302 £275
10% offered a daily rate of more than £613 £558 £544
UK excluding London median daily rate £410 £400 £396
% change year-on-year +2.50% +1.01%  
Number of hourly rates quoted 28 33 31
Median hourly rate £45.00 £38.00 £16.25
Median hourly rate % change year-on-year +18.42% +133.84%  
90% offered a hourly rate of more than £27.50 £9.16 £10.45
10% offered a hourly rate of more than £52.50 £49.50 £37.60
UK excluding London median hourly rate £36.25 £38.50 £30.20
% change year-on-year -5.84% +27.48%  

Refactoring
Job Vacancy Trend in Hertfordshire

The job posting trend of jobs advertised in Hertfordshire 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 Hertfordshire

Refactoring
Contractor Daily Rate Trend in Hertfordshire

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

Contractor daily rate trend for Refactoring in Hertfordshire

Refactoring
Contract Job Locations in Hertfordshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Refactoring within the Hertfordshire region over the 3 months to 27 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
Welwyn Garden City - 2 - -
Hatfield - 2 £525 - 1
Refactoring
East of England

Refactoring
Top 30 Co-occurring IT Skills in Hertfordshire

For the 6 months to 27 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 across the Hertfordshire region with a requirement for Refactoring.

1 10 (100.00%) TDD
2 8 (80.00%) XML
2 8 (80.00%) REST
2 8 (80.00%) SOLID
3 7 (70.00%) BDD
3 7 (70.00%) Scrum
3 7 (70.00%) Agile Software Development
4 6 (60.00%) E-Commerce
5 5 (50.00%) Code Coverage
5 5 (50.00%) XSL
5 5 (50.00%) XSLT
5 5 (50.00%) OOP
5 5 (50.00%) OO
5 5 (50.00%) C#
5 5 (50.00%) HTML
5 5 (50.00%) Java
5 5 (50.00%) JavaScript
5 5 (50.00%) VBScript
5 5 (50.00%) .NET
5 5 (50.00%) SQL Server
5 5 (50.00%) IIS
5 5 (50.00%) ADO.NET
5 5 (50.00%) ASP.NET
5 5 (50.00%) CSS
5 5 (50.00%) SOAP
5 5 (50.00%) MVC
5 5 (50.00%) NHibernate
5 5 (50.00%) .NET Framework
5 5 (50.00%) Entity Framework
5 5 (50.00%) Relational Database

Refactoring
Co-occurring IT Skills in Hertfordshire 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 5 (50.00%) IIS
Cloud Services
1 5 (50.00%) Amazon AWS
Communications & Networking
1 4 (40.00%) TCP/IP
Database & Business Intelligence
1 5 (50.00%) Relational Database
1 5 (50.00%) SQL Server
1 5 (50.00%) SQL Server 2012
2 2 (20.00%) Couchbase
3 1 (10.00%) SQL Server 2014
Development Applications
1 4 (40.00%) Atlassian Bamboo
1 4 (40.00%) FxCop
1 4 (40.00%) Git (software)
1 4 (40.00%) JIRA
1 4 (40.00%) Moq
1 4 (40.00%) ReSharper
1 4 (40.00%) StyleCop
Job Titles
1 7 (70.00%) Developer
2 5 (50.00%) .NET Developer
2 5 (50.00%) C# .NET Developer
2 5 (50.00%) C# Developer
3 4 (40.00%) ASP.NET MVC Developer
4 3 (30.00%) Architect
4 3 (30.00%) Java Architect
5 2 (20.00%) Agile Developer
5 2 (20.00%) Agile Java Developer
5 2 (20.00%) ASP.NET Developer
5 2 (20.00%) AWS Architect
5 2 (20.00%) AWS Developer
5 2 (20.00%) AWS DevOps
5 2 (20.00%) C# ASP.NET Developer
5 2 (20.00%) C# WCF Developer
5 2 (20.00%) Java Developer
5 2 (20.00%) WCF Developer
Libraries, Frameworks & Software Standards
1 8 (80.00%) REST
1 8 (80.00%) XML
2 5 (50.00%) .NET
2 5 (50.00%) .NET Framework
2 5 (50.00%) ADO.NET
2 5 (50.00%) ASP.NET
2 5 (50.00%) ASP.NET Web API
2 5 (50.00%) CSS
2 5 (50.00%) Dapper ORM
2 5 (50.00%) Entity Framework
2 5 (50.00%) HTML
2 5 (50.00%) LINQ
2 5 (50.00%) NHibernate
2 5 (50.00%) SOAP
2 5 (50.00%) WCF
2 5 (50.00%) XSL
2 5 (50.00%) XSLT
3 4 (40.00%) AutoMapper
4 3 (30.00%) JSON
4 3 (30.00%) Spring Boot
Miscellaneous
1 4 (40.00%) Contactless
1 4 (40.00%) EMV
2 2 (20.00%) iPad
Processes & Methodologies
1 10 (100.00%) TDD
2 8 (80.00%) SOLID
3 7 (70.00%) Agile Software Development
3 7 (70.00%) BDD
3 7 (70.00%) Scrum
4 6 (60.00%) E-Commerce
5 5 (50.00%) Code Coverage
5 5 (50.00%) Dependency Injection
5 5 (50.00%) DevOps
5 5 (50.00%) MVC
5 5 (50.00%) OO
5 5 (50.00%) OOP
6 3 (30.00%) Continuous Delivery
6 3 (30.00%) Microservices
6 3 (30.00%) Open Source
7 2 (20.00%) Kanban
8 1 (10.00%) Multithreading
8 1 (10.00%) Unit Testing
Programming Languages
1 5 (50.00%) C#
1 5 (50.00%) Java
1 5 (50.00%) JavaScript
1 5 (50.00%) VBScript
2 2 (20.00%) Groovy
Vendors
1 4 (40.00%) Atlassian
2 1 (10.00%) Microsoft