The following table provides summary statistics for contract job vacancies advertised in Hertfordshire with a requirement for Unit Testing skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Unit Testing over the 3 months to 30 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.

Unit Testing
East of England / Hertfordshire
3 months to
30 Mar 2017
Same period 2016 Same period 2015
Rank 50 52 57
Rank change year-on-year +2 +5  
Contract jobs citing Unit Testing 8 7 9
As % of all contract IT jobs advertised in Hertfordshire 1.36% 1.00% 1.29%
As % of the Processes & Methodologies category 1.75% 1.33% 1.71%
Number of daily rates quoted 4 5 1
Median daily rate £465 £325 £425
Median daily rate % change year-on-year +43.07% -23.52%  
UK excluding London median daily rate £393 £375 £340
% change year-on-year +4.66% +10.29%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £40.50 £43.50 £37.50
% change year-on-year -6.89% +16.00%  

Unit Testing 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 456 528 527
As % of all contract IT job vacancies advertised in Hertfordshire 77.68% 75.64% 75.61%
Number of daily rates quoted 242 283 273
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 £305 £265
10% offered a daily rate of more than £600 £550 £550
UK excluding London median daily rate £410 £400 £396
% change year-on-year +2.50% +1.01%  
Number of hourly rates quoted 28 27 30
Median hourly rate £45.00 £37.50 £16.00
Median hourly rate % change year-on-year +20.00% +134.37%  
90% offered a hourly rate of more than £27.50 £8.50 £10.35
10% offered a hourly rate of more than £52.50 £49.50 £36.80
UK excluding London median hourly rate £35.75 £38.00 £30.00
% change year-on-year -5.92% +26.66%  

Unit Testing
Job Vacancy Trend in Hertfordshire

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

Job vacancy trend for Unit Testing in Hertfordshire

Unit Testing
Contractor Daily Rate Trend in Hertfordshire

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

Contractor daily rate trend for Unit Testing in Hertfordshire

Unit Testing
Contractor Daily Rate Histogram in Hertfordshire

The daily rate distribution of IT jobs citing Unit Testing in Hertfordshire over the 3 months to 30 March 2017.

Contractor daily rate histogram for Unit Testing in Hertfordshire

Unit Testing
Contractor Hourly Rate Trend in Hertfordshire

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing Unit Testing in Hertfordshire.

Contractor hourly rate trend for Unit Testing in Hertfordshire

Unit Testing
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 Unit Testing within the Hertfordshire region over the 3 months to 30 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 -1 2 £488 +50.00%
Watford - 2 - - 2
Royston +1 1 £375 +15.38%
Hemel Hempstead - 1 £455 - 1
Letchworth - 1 - - 2
Unit Testing
East of England

For the 6 months to 30 March 2017, IT contractor jobs citing Unit Testing 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 Unit Testing.

1 4 (44.44%) C#
1 4 (44.44%) .NET
1 4 (44.44%) Agile Software Development
1 4 (44.44%) TDD
1 4 (44.44%) Retail
2 3 (33.33%) Finance
2 3 (33.33%) .NET Framework
2 3 (33.33%) WCF
2 3 (33.33%) HTML
2 3 (33.33%) JavaScript
2 3 (33.33%) CSS
2 3 (33.33%) XML
2 3 (33.33%) Team Foundation Server
2 3 (33.33%) BDD
2 3 (33.33%) Entity Framework
2 3 (33.33%) AngularJS
3 2 (22.22%) Grunt
3 2 (22.22%) Magnolia
3 2 (22.22%) ASP.NET Web API
3 2 (22.22%) Oracle Retail
3 2 (22.22%) Responsive Web Design
3 2 (22.22%) gulp
3 2 (22.22%) API Development
3 2 (22.22%) Front End Development
3 2 (22.22%) Node.js
3 2 (22.22%) HTML5
3 2 (22.22%) CSS3
3 2 (22.22%) Managed Extensibility Framework
3 2 (22.22%) SCADA
3 2 (22.22%) Git (software)

Unit Testing
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 2 (22.22%) CMS
1 2 (22.22%) Magnolia
2 1 (11.11%) IIS
Applications
1 2 (22.22%) Photoshop
Business Applications
1 2 (22.22%) Oracle Retail
2 1 (11.11%) SAP GTS
Database & Business Intelligence
1 2 (22.22%) Data Warehouse
1 2 (22.22%) SQL Server
2 1 (11.11%) Relational Database
2 1 (11.11%) SQL Server 2012
2 1 (11.11%) SQL Server 2014
Development Applications
1 3 (33.33%) Team Foundation Server
2 2 (22.22%) Git (software)
2 2 (22.22%) Grunt
2 2 (22.22%) gulp
2 2 (22.22%) JIRA
2 2 (22.22%) Visual Studio
3 1 (11.11%) Protractor
General
1 4 (44.44%) Retail
2 3 (33.33%) Finance
3 1 (11.11%) Legal
3 1 (11.11%) Manufacturing
Job Titles
1 5 (55.56%) Developer
2 3 (33.33%) Consultant
3 2 (22.22%) .NET Developer
3 2 (22.22%) Applications Consultant
3 2 (22.22%) C# .NET Developer
3 2 (22.22%) C# Developer
3 2 (22.22%) Front End Developer (Client-Side Developer)
3 2 (22.22%) Functional Consultant
3 2 (22.22%) Oracle Applications Functional Consultant
3 2 (22.22%) Oracle Consultant
3 2 (22.22%) Oracle Functional Consultant
3 2 (22.22%) Server Consultant
3 2 (22.22%) Software Developer
4 1 (11.11%) .NET Software Developer
4 1 (11.11%) C# ASP.NET Developer
4 1 (11.11%) C# Software Developer
4 1 (11.11%) Front End Web Developer (Client-Side Developer)
4 1 (11.11%) JavaScript Developer
4 1 (11.11%) SAP GTM Consultant
4 1 (11.11%) Web UI Developer
Libraries, Frameworks & Software Standards
1 4 (44.44%) .NET
2 3 (33.33%) .NET Framework
2 3 (33.33%) AngularJS
2 3 (33.33%) CSS
2 3 (33.33%) Entity Framework
2 3 (33.33%) HTML
2 3 (33.33%) WCF
2 3 (33.33%) XML
3 2 (22.22%) Ajax
3 2 (22.22%) ASP.NET
3 2 (22.22%) ASP.NET Web API
3 2 (22.22%) CSS3
3 2 (22.22%) HTML5
3 2 (22.22%) jQuery
3 2 (22.22%) JSON
3 2 (22.22%) Managed Extensibility Framework
3 2 (22.22%) Node.js
3 2 (22.22%) Sass
3 2 (22.22%) WPF
3 2 (22.22%) XHTML
Miscellaneous
1 2 (22.22%) SCADA
1 2 (22.22%) User Experience
1 2 (22.22%) W3C
Processes & Methodologies
1 4 (44.44%) Agile Software Development
1 4 (44.44%) TDD
2 3 (33.33%) BDD
3 2 (22.22%) A/B Testing
3 2 (22.22%) API Development
3 2 (22.22%) Business Process Analysis
3 2 (22.22%) E-business
3 2 (22.22%) ETL
3 2 (22.22%) Front End Development
3 2 (22.22%) Integration Testing
3 2 (22.22%) Merchandise Planning
3 2 (22.22%) MVC
3 2 (22.22%) Project Management
3 2 (22.22%) Responsive Web Design
3 2 (22.22%) SEO
3 2 (22.22%) Stakeholder Management
3 2 (22.22%) UML
3 2 (22.22%) User Acceptance Testing
3 2 (22.22%) Web Development
3 2 (22.22%) Wireframes
Programming Languages
1 4 (44.44%) C#
2 3 (33.33%) JavaScript
3 1 (11.11%) SQL
3 1 (11.11%) VBScript
Quality Assurance & Compliance
1 2 (22.22%) WAI
Systems Management
1 2 (22.22%) TeamSite
Vendors
1 2 (22.22%) Microsoft
1 2 (22.22%) Oracle
2 1 (11.11%) SAP