Period
to 27 July 2017

The following table provides summary statistics for contract job vacancies advertised in Birmingham 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 27 July 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
West Midlands > Birmingham
6 months to
27 Jul 2017
Same period 2016 Same period 2015
Rank 80 99 -
Rank change year-on-year +19 - -
Contract jobs citing Refactoring 8 1 0
As % of all contract IT jobs advertised in Birmingham 0.61% 0.065% -
As % of the Processes & Methodologies category 0.74% 0.079% -
Number of daily rates quoted 7 0 0
Birmingham median daily rate £320 - -
West Midlands median daily rate £400 - -
Number of hourly rates quoted 0 0 0
Birmingham median hourly rate - - -
West Midlands median hourly rate - - -

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 Birmingham with a requirement for process and methodology skills.

Contract Process & Methodology Skills
Birmingham
Contract job vacancies with a requirement for process and methodology skills 1088 1268 1186
As % of all contract IT job vacancies advertised in Birmingham 82.55% 82.18% 75.98%
Number of daily rates quoted 739 860 779
Birmingham median daily rate £400 £375 £375
Median daily rate % change year-on-year +6.67% - +7.14%
10th Percentile £263 £225 £225
90th Percentile £533 £538 £525
West Midlands median daily rate £400 £400 £375
% change year-on-year - +6.67% +7.14%
Number of hourly rates quoted 19 26 29
Birmingham median hourly rate £14.22 £15.25 £22.50
Median hourly rate % change year-on-year -6.79% -32.22% +63.64%
10th Percentile £11.00 £10.73 £9.80
90th Percentile £36.20 £40.75 £60.00
West Midlands median hourly rate £20.00 £17.00 £24.00
% change year-on-year +17.65% -29.17% +33.33%

Refactoring
Job Vacancy Trend in Birmingham

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

Job vacancy trend for Refactoring in Birmingham

Refactoring
Contractor Daily Rate Trend in Birmingham

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

Contractor daily rate trend for Refactoring in Birmingham

Refactoring
Contractor Daily Rate Histogram in Birmingham

The daily rate distribution of IT jobs citing Refactoring in Birmingham over the 6 months to 27 July 2017.

Contractor daily rate histogram for Refactoring in Birmingham

For the 6 months to 27 July 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 Birmingham region with a requirement for Refactoring.

1 7 (87.50%) Subversion
1 7 (87.50%) Git (software)
2 6 (75.00%) Java
3 5 (62.50%) OOP
3 5 (62.50%) OO
3 5 (62.50%) Unit Testing
4 4 (50.00%) Go
4 4 (50.00%) FastCGI
4 4 (50.00%) C++
4 4 (50.00%) Linux
4 4 (50.00%) Apache
4 4 (50.00%) Python
4 4 (50.00%) HTTP
4 4 (50.00%) TCP/IP
4 4 (50.00%) DNS
4 4 (50.00%) CGI
4 4 (50.00%) SSL
4 4 (50.00%) Client/Server
4 4 (50.00%) ICMP
4 4 (50.00%) Perl
4 4 (50.00%) C
4 4 (50.00%) Unix
4 4 (50.00%) Reverse Engineering
4 4 (50.00%) Load Balancing
4 4 (50.00%) Agile Software Development
5 3 (37.50%) TDD
5 3 (37.50%) Scrum
5 3 (37.50%) Oracle
5 3 (37.50%) SQL Server
5 3 (37.50%) Continuous Integration

Refactoring
Co-occurring IT Skills in Birmingham 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 4 (50.00%) Apache
2 2 (25.00%) JBoss
2 2 (25.00%) Oracle SOA Suite
Cloud Services
1 1 (12.50%) Amazon AWS
1 1 (12.50%) IaaS
1 1 (12.50%) Microsoft Azure
1 1 (12.50%) PaaS
Communications & Networking
1 4 (50.00%) DNS
1 4 (50.00%) HTTP
1 4 (50.00%) ICMP
1 4 (50.00%) SSL
1 4 (50.00%) TCP/IP
Database & Business Intelligence
1 3 (37.50%) SQL Server
2 1 (12.50%) Apache Cassandra
2 1 (12.50%) Data Warehouse
2 1 (12.50%) NoSQL
2 1 (12.50%) PostgreSQL
Development Applications
1 7 (87.50%) Git (software)
1 7 (87.50%) Subversion
2 1 (12.50%) CruiseControl
2 1 (12.50%) Moq
2 1 (12.50%) NUnit
2 1 (12.50%) Oracle Forms
2 1 (12.50%) Selenium
2 1 (12.50%) TeamCity
2 1 (12.50%) Visual Studio
2 1 (12.50%) Visual Studio Team System
General
1 1 (12.50%) Automotive
1 1 (12.50%) Finance
Job Titles
1 4 (50.00%) Consultant
1 4 (50.00%) Developer
2 3 (37.50%) Senior Developer
3 2 (25.00%) Java Developer
3 2 (25.00%) Senior Consultant
4 1 (12.50%) .NET Developer
4 1 (12.50%) Architect
4 1 (12.50%) Senior .NET Developer
4 1 (12.50%) Senior Architect
4 1 (12.50%) Senior Java Developer
Libraries, Frameworks & Software Standards
1 4 (50.00%) CGI
1 4 (50.00%) FastCGI
2 2 (25.00%) .NET
2 2 (25.00%) ASP.NET
2 2 (25.00%) Hibernate
2 2 (25.00%) Java EE
2 2 (25.00%) JPA
2 2 (25.00%) REST
2 2 (25.00%) SOAP
2 2 (25.00%) Spring
2 2 (25.00%) WCF
2 2 (25.00%) XML
2 2 (25.00%) XSD
2 2 (25.00%) XSLT
3 1 (12.50%) .NET Framework
3 1 (12.50%) ADO.NET
3 1 (12.50%) AngularJS
3 1 (12.50%) ASP.NET MVC
3 1 (12.50%) Entity Framework
3 1 (12.50%) WinForms
Miscellaneous
1 4 (50.00%) Client/Server
2 2 (25.00%) Computer Science
3 1 (12.50%) Public Cloud
Operating Systems
1 4 (50.00%) Linux
1 4 (50.00%) Unix
2 1 (12.50%) Windows
Processes & Methodologies
1 5 (62.50%) OO
1 5 (62.50%) OOP
1 5 (62.50%) Unit Testing
2 4 (50.00%) Agile Software Development
2 4 (50.00%) Load Balancing
2 4 (50.00%) Reverse Engineering
3 3 (37.50%) Continuous Integration
3 3 (37.50%) Scrum
3 3 (37.50%) TDD
4 2 (25.00%) MVC
4 2 (25.00%) Performance Monitoring
4 2 (25.00%) SDLC
4 2 (25.00%) SOA
4 2 (25.00%) SOLID
5 1 (12.50%) Extreme Programming
5 1 (12.50%) Open Source
5 1 (12.50%) Open Source Development
5 1 (12.50%) Process Improvement
5 1 (12.50%) Regression Testing
5 1 (12.50%) User Acceptance Testing
Programming Languages
1 6 (75.00%) Java
2 4 (50.00%) C
2 4 (50.00%) C++
2 4 (50.00%) Go
2 4 (50.00%) Perl
2 4 (50.00%) Python
3 2 (25.00%) PL/SQL
3 2 (25.00%) SQL
4 1 (12.50%) C#
4 1 (12.50%) F#
Qualifications
1 2 (25.00%) Sun Certification
Vendors
1 3 (37.50%) Oracle