The following table provides summary statistics for contract job vacancies advertised in Knutsford with a requirement for TDD skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited TDD 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.

Test-Driven Development (TDD)
Cheshire / Knutsford
3 months to
29 Mar 2017
Same period 2016 Same period 2015
Rank 10 4 11
Rank change year-on-year -6 +7  
Contract jobs citing TDD 1 23 5
As % of all contract IT jobs advertised in Knutsford 2.70% 19.83% 9.09%
As % of the Processes & Methodologies category 2.94% 23.23% 13.51%
Number of daily rates quoted 1 19 2
Median daily rate £400 £425 £383
Median daily rate % change year-on-year -5.88% +11.11%  
UK excluding London median daily rate £400 £400 £375
% change year-on-year - +6.66%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £39.00 £45.75 £36.00
% change year-on-year -14.75% +27.08%  

TDD 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 Knutsford with a requirement for process and methodology skills.

Contract Process & Methodology Skills
Knutsford
Contract job vacancies with a requirement for process and methodology skills 34 99 37
As % of all contract IT job vacancies advertised in Knutsford 91.89% 85.34% 67.27%
Number of daily rates quoted 23 73 21
Median daily rate £403 £425 £390
Median daily rate % change year-on-year -5.29% +8.97%  
90% offered a daily rate of more than £308 £325 £325
10% offered a daily rate of more than £475 £513 £475
UK excluding London median daily rate £410 £400 £396
% change year-on-year +2.50% +1.01%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £35.75 £38.50 £30.00
% change year-on-year -7.14% +28.33%  

TDD
Job Vacancy Trend in Knutsford

The job posting trend of jobs advertised in Knutsford citing TDD as a proportion of all contract or permanent IT jobs with a match in the Processes & Methodologies category.

Job vacancy trend for TDD in Knutsford

TDD
Contractor Daily Rate Trend in Knutsford

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

Contractor daily rate trend for TDD in Knutsford

For the 6 months to 29 March 2017, IT contractor jobs citing TDD 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 Knutsford region with a requirement for TDD.

1 2 (100.00%) SQL
1 2 (100.00%) Web Services
1 2 (100.00%) OO
1 2 (100.00%) RDBMS
1 2 (100.00%) Java
1 2 (100.00%) Hibernate
1 2 (100.00%) Agile Software Development
1 2 (100.00%) Spring
1 2 (100.00%) JPA
1 2 (100.00%) BDD
1 2 (100.00%) Relational Database
2 1 (50.00%) HTML
2 1 (50.00%) Kony
2 1 (50.00%) DevOps
2 1 (50.00%) SOLID
2 1 (50.00%) Business Activity Monitoring
2 1 (50.00%) Prime Brokerage
2 1 (50.00%) REST
2 1 (50.00%) Oracle SOA Suite
2 1 (50.00%) Big Data
2 1 (50.00%) UIKit
2 1 (50.00%) Mobile App
2 1 (50.00%) Oracle Database
2 1 (50.00%) DataPower
2 1 (50.00%) Oracle Fusion
2 1 (50.00%) Domain-Driven Design
2 1 (50.00%) Struts2
2 1 (50.00%) Inversion of Control
2 1 (50.00%) WebCenter
2 1 (50.00%) Oracle BPM

TDD
Co-occurring IT Skills in Knutsford 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 1 (50.00%) Apache
1 1 (50.00%) GlassFish
1 1 (50.00%) JBoss
1 1 (50.00%) Oracle SOA Suite
1 1 (50.00%) WebLogic
1 1 (50.00%) WebLogic Integration
1 1 (50.00%) WebLogic Portal
1 1 (50.00%) WebSphere
1 1 (50.00%) WebSphere Application Server
1 1 (50.00%) WebSphere Process Server
Business Applications
1 1 (50.00%) Oracle BPM
Database & Business Intelligence
1 2 (100.00%) RDBMS
1 2 (100.00%) Relational Database
2 1 (50.00%) Big Data
2 1 (50.00%) DB2
2 1 (50.00%) Oracle Database
General
1 1 (50.00%) Banking
1 1 (50.00%) Finance
1 1 (50.00%) Prime Brokerage
Job Titles
1 2 (100.00%) Developer
1 2 (100.00%) Java Developer
2 1 (50.00%) Agile Developer
2 1 (50.00%) Agile Java Developer
2 1 (50.00%) Senior Developer
2 1 (50.00%) Senior Java Developer
Libraries, Frameworks & Software Standards
1 2 (100.00%) Hibernate
1 2 (100.00%) JPA
1 2 (100.00%) Spring
1 2 (100.00%) Web Services
2 1 (50.00%) Ajax
2 1 (50.00%) Dojo
2 1 (50.00%) IBM Integration Bus
2 1 (50.00%) Java EE
2 1 (50.00%) JMS
2 1 (50.00%) jQuery
2 1 (50.00%) JSF
2 1 (50.00%) JTA
2 1 (50.00%) Oracle Fusion
2 1 (50.00%) REST
2 1 (50.00%) Spring Web Flow
2 1 (50.00%) Struts2
2 1 (50.00%) UIKit
2 1 (50.00%) WebCenter
2 1 (50.00%) XML
2 1 (50.00%) YUI
Miscellaneous
1 1 (50.00%) Clustering
1 1 (50.00%) DataPower
1 1 (50.00%) Derivative
1 1 (50.00%) Mobile App
Processes & Methodologies
1 2 (100.00%) Agile Software Development
1 2 (100.00%) BDD
1 2 (100.00%) OO
2 1 (50.00%) AOP
2 1 (50.00%) BPEL
2 1 (50.00%) Business Activity Monitoring
2 1 (50.00%) Continuous Integration
2 1 (50.00%) DevOps
2 1 (50.00%) Domain-Driven Design
2 1 (50.00%) Inversion of Control
2 1 (50.00%) MVC
2 1 (50.00%) OOA/OOD
2 1 (50.00%) Scrum
2 1 (50.00%) SOA
2 1 (50.00%) SOLID
2 1 (50.00%) UML
Programming Languages
1 2 (100.00%) Java
1 2 (100.00%) SQL
2 1 (50.00%) Perl
2 1 (50.00%) PL/SQL
Vendors
1 1 (50.00%) Google
1 1 (50.00%) IBM
1 1 (50.00%) Kony
1 1 (50.00%) Oracle
1 1 (50.00%) Sybase
1 1 (50.00%) Yahoo!