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 23 June 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
23 Jun 2017
Same period 2016 Same period 2015
Rank 50 42 63
Rank change year-on-year -8 +21  
Contract jobs citing Unit Testing 9 14 13
As % of all contract IT jobs advertised in Hertfordshire 1.42% 2.10% 1.47%
As % of the Processes & Methodologies category 1.75% 2.67% 1.85%
Number of daily rates quoted 8 11 12
Median daily rate £393 £430 £393
Median daily rate % change year-on-year -8.72% +9.55%  
90% offered a daily rate of more than £306 £288 £308
10% offered a daily rate of more than £440 £500 £463
UK excluding London median daily rate £388 £375 £350
% change year-on-year +3.33% +7.14%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £42.88 £43.00 £37.40
% change year-on-year -0.29% +14.97%  

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 513 524 703
As % of all contract IT job vacancies advertised in Hertfordshire 81.17% 78.68% 79.35%
Number of daily rates quoted 253 278 360
Median daily rate £425 £425 £377
Median daily rate % change year-on-year - +12.62%  
90% offered a daily rate of more than £271 £300 £295
10% offered a daily rate of more than £550 £500 £525
UK excluding London median daily rate £415 £400 £383
% change year-on-year +3.75% +4.57%  
Number of hourly rates quoted 36 17 58
Median hourly rate £17.63 £25.00 £32.50
Median hourly rate % change year-on-year -29.47% -23.07%  
90% offered a hourly rate of more than £11.84 £15.00 £10.50
10% offered a hourly rate of more than £45.00 £52.50 £47.75
UK excluding London median hourly rate £33.50 £28.50 £30.00
% change year-on-year +17.54% -5.00%  

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 23 June 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 23 June 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
Watford -7 2 £338 -28.94% 1
Welwyn Garden City 0 1 £475 +65.21%
Hatfield - 1 - -
Hemel Hempstead - 1 £425 - 1
Unit Testing
East of England

For the 6 months to 23 June 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 7 (41.18%) HTML
1 7 (41.18%) JavaScript
1 7 (41.18%) Agile Software Development
1 7 (41.18%) TDD
2 6 (35.29%) JIRA
2 6 (35.29%) Git (software)
2 6 (35.29%) BDD
2 6 (35.29%) C#
2 6 (35.29%) .NET
2 6 (35.29%) CSS
3 5 (29.41%) XML
3 5 (29.41%) Oracle
3 5 (29.41%) Finance
3 5 (29.41%) HTML5
3 5 (29.41%) WCF
3 5 (29.41%) Retail
3 5 (29.41%) AngularJS
4 4 (23.53%) User Experience
4 4 (23.53%) React
4 4 (23.53%) .NET Framework
4 4 (23.53%) jQuery
4 4 (23.53%) Team Foundation Server
4 4 (23.53%) Integration Testing
4 4 (23.53%) CSS3
4 4 (23.53%) Entity Framework
4 4 (23.53%) Microsoft
4 4 (23.53%) SQL Server
5 3 (17.65%) Photoshop
5 3 (17.65%) Visual Studio
5 3 (17.65%) ASP.NET

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 3 (17.65%) CMS
1 3 (17.65%) Magnolia
2 2 (11.76%) IIS
3 1 (5.88%) SharePoint
3 1 (5.88%) Tomcat
Applications
1 3 (17.65%) Photoshop
2 1 (5.88%) Microsoft Excel
Business Applications
1 2 (11.76%) Oracle Retail
2 1 (5.88%) Oracle Payables
2 1 (5.88%) Oracle Receivables
2 1 (5.88%) SAP GTS
Database & Business Intelligence
1 4 (23.53%) SQL Server
2 2 (11.76%) Data Warehouse
2 2 (11.76%) SQL Server 2014
3 1 (5.88%) MySQL
3 1 (5.88%) Oracle Database
3 1 (5.88%) Oracle Database 11g
3 1 (5.88%) Oracle ODI
Development Applications
1 6 (35.29%) Git (software)
1 6 (35.29%) JIRA
2 4 (23.53%) Team Foundation Server
3 3 (17.65%) Grunt
3 3 (17.65%) gulp
3 3 (17.65%) Visual Studio
4 2 (11.76%) Atlassian Bamboo
4 2 (11.76%) FxCop
4 2 (11.76%) Moq
4 2 (11.76%) ReSharper
4 2 (11.76%) StyleCop
5 1 (5.88%) GCC
5 1 (5.88%) JDeveloper
5 1 (5.88%) Mocha
5 1 (5.88%) Protractor
5 1 (5.88%) SonarQube
General
1 5 (29.41%) Finance
1 5 (29.41%) Retail
2 1 (5.88%) Legal
2 1 (5.88%) Manufacturing
Job Titles
1 11 (64.71%) Developer
2 3 (17.65%) C# Developer
2 3 (17.65%) Consultant
2 3 (17.65%) Front End Developer (Client-Side Developer)
2 3 (17.65%) Software Developer
3 2 (11.76%) Applications Consultant
3 2 (11.76%) Functional Consultant
3 2 (11.76%) JavaScript Developer
3 2 (11.76%) Oracle Applications Functional Consultant
3 2 (11.76%) Oracle Consultant
3 2 (11.76%) Oracle Functional Consultant
3 2 (11.76%) Server Consultant
3 2 (11.76%) Software Engineer
4 1 (5.88%) Applications Developer
4 1 (5.88%) ASP.NET MVC Developer
4 1 (5.88%) C# .NET Developer
4 1 (5.88%) Java Developer
4 1 (5.88%) Oracle Developer
4 1 (5.88%) Web Developer
4 1 (5.88%) Web UI Developer
Libraries, Frameworks & Software Standards
1 7 (41.18%) HTML
2 6 (35.29%) .NET
2 6 (35.29%) CSS
3 5 (29.41%) AngularJS
3 5 (29.41%) HTML5
3 5 (29.41%) WCF
3 5 (29.41%) XML
4 4 (23.53%) .NET Framework
4 4 (23.53%) CSS3
4 4 (23.53%) Entity Framework
4 4 (23.53%) jQuery
4 4 (23.53%) React
5 3 (17.65%) Ajax
5 3 (17.65%) ASP.NET
5 3 (17.65%) JSON
5 3 (17.65%) Managed Extensibility Framework
5 3 (17.65%) Node.js
5 3 (17.65%) Sass
5 3 (17.65%) WPF
5 3 (17.65%) XHTML
Miscellaneous
1 4 (23.53%) User Experience
2 3 (17.65%) SCADA
2 3 (17.65%) W3C
3 1 (5.88%) Embedded Systems
Operating Systems
1 1 (5.88%) Linux
1 1 (5.88%) Mac OS
1 1 (5.88%) Unix
1 1 (5.88%) Windows
Processes & Methodologies
1 7 (41.18%) Agile Software Development
1 7 (41.18%) TDD
2 6 (35.29%) BDD
3 4 (23.53%) Integration Testing
4 3 (17.65%) A/B Testing
4 3 (17.65%) API Development
4 3 (17.65%) ETL
4 3 (17.65%) Front End Development
4 3 (17.65%) MVC
4 3 (17.65%) OO
4 3 (17.65%) Project Management
4 3 (17.65%) Responsive Web Design
4 3 (17.65%) Scrum
4 3 (17.65%) SEO
4 3 (17.65%) Software Engineering
4 3 (17.65%) Stakeholder Management
4 3 (17.65%) UML
4 3 (17.65%) Web Design
4 3 (17.65%) Web Development
4 3 (17.65%) Wireframes
Programming Languages
1 7 (41.18%) JavaScript
2 6 (35.29%) C#
3 2 (11.76%) SQL
3 2 (11.76%) VBScript
4 1 (5.88%) C
4 1 (5.88%) Java
4 1 (5.88%) PHP
4 1 (5.88%) PL/SQL
4 1 (5.88%) Python
4 1 (5.88%) VB
Qualifications
1 1 (5.88%) Security Cleared
Quality Assurance & Compliance
1 3 (17.65%) WAI
Systems Management
1 3 (17.65%) TeamSite
Vendors
1 5 (29.41%) Oracle
2 4 (23.53%) Microsoft
3 2 (11.76%) Atlassian
3 2 (11.76%) SAP
4 1 (5.88%) IBM
4 1 (5.88%) IBM Sterling
4 1 (5.88%) Serena
4 1 (5.88%) VMware