Period
to 20 September 2018

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 6 months to 20 September 2018 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
6 months to
20 Sep 2018
Same period 2017 Same period 2016
Rank 86 72 69
Rank change year-on-year -14 -3 +15
Contract jobs citing Unit Testing 16 26 27
As % of all contract IT jobs advertised in Hertfordshire 0.98% 1.84% 1.86%
As % of the Processes & Methodologies category 1.21% 2.24% 2.34%
Number of daily rates quoted 11 22 19
Hertfordshire median daily rate £450 £388 £375
Median daily rate % change year-on-year +16.13% +3.33% -6.25%
10th Percentile £353 £340 £255
90th Percentile £538 £510 £505
East of England median daily rate £450 £400 £363
% change year-on-year +12.50% +10.34% -3.33%
Number of hourly rates quoted 0 0 0
Hertfordshire median hourly rate - - -
East of England median hourly rate £44.00 £43.25 £44.50
% change year-on-year +1.73% -2.81% +7.88%

Unit Testing is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Hertfordshire with a requirement for process or methodology skills.

All Process and Methodology Skills
Hertfordshire
Contract vacancies with a requirement for process or methodology skills 1,324 1,159 1,152
As % of all contract IT jobs advertised in Hertfordshire 81.18% 82.02% 79.39%
Number of daily rates quoted 766 572 627
Hertfordshire median daily rate £415 £400 £400
Median daily rate % change year-on-year +3.75% - +5.12%
10th Percentile £205 £213 £213
90th Percentile £569 £575 £538
East of England median daily rate £435 £425 £400
% change year-on-year +2.35% +6.25% +3.90%
Number of hourly rates quoted 93 67 51
Hertfordshire median hourly rate £17.43 £16.81 £20.00
Median hourly rate % change year-on-year +3.69% -15.98% -4.77%
10th Percentile £11.25 £11.81 £11.05
90th Percentile £47.05 £44.25 £53.75
East of England median hourly rate £17.50 £26.22 £25.00
% change year-on-year -33.26% +4.88% +2.82%

Unit Testing
Job Vacancy Trend in Hertfordshire

Job postings citing Unit Testing as a percentage of all IT jobs advertised in Hertfordshire.

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 6 months to 20 September 2018.

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 6 months to 20 September 2018. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Stevenage - 4 £450 -
Hemel Hempstead -10 3 £425 -5.56% 2
Watford +6 2 £525 +55.56% 1
Welwyn Garden City -17 1 £600 +26.32%
Unit Testing
East of England

For the 6 months to 20 September 2018, IT contractor jobs citing Unit Testing also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the Hertfordshire region with a requirement for Unit Testing.

1 9 (56.25%) JavaScript
2 7 (43.75%) .NET
2 7 (43.75%) Git (software)
3 6 (37.50%) TDD
3 6 (37.50%) SQL
4 5 (31.25%) C#
4 5 (31.25%) HTML
4 5 (31.25%) CSS
4 5 (31.25%) SOA
4 5 (31.25%) Agile Software Development
4 5 (31.25%) jQuery
4 5 (31.25%) Node.js
4 5 (31.25%) REST
4 5 (31.25%) React
5 4 (25.00%) AngularJS
5 4 (25.00%) Internet of Things
5 4 (25.00%) Test Automation
5 4 (25.00%) ASP.NET
5 4 (25.00%) Internet
5 4 (25.00%) MVC
6 3 (18.75%) Microsoft
6 3 (18.75%) SQL Server
6 3 (18.75%) T-SQL
6 3 (18.75%) HTML5
6 3 (18.75%) QA
6 3 (18.75%) .NET Framework
6 3 (18.75%) ASP.NET Web API
6 3 (18.75%) Twitter Bootstrap
6 3 (18.75%) CSS3
6 3 (18.75%) Jasmine

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 (12.50%) NServiceBus
2 1 (6.25%) Oracle Service Bus
2 1 (6.25%) Oracle SOA Suite
Cloud Services
1 2 (12.50%) Microsoft Azure
2 1 (6.25%) PaaS
2 1 (6.25%) SaaS
Communications & Networking
1 4 (25.00%) Internet
Database & Business Intelligence
1 3 (18.75%) SQL Server
2 2 (12.50%) SQL Server Reporting Services
3 1 (6.25%) Data Warehouse
3 1 (6.25%) HDInsight
3 1 (6.25%) Oracle Database
3 1 (6.25%) Oracle Database 12c
3 1 (6.25%) Power BI
3 1 (6.25%) SQL Server Analysis Services
3 1 (6.25%) SQL Server Integration Services
Development Applications
1 7 (43.75%) Git (software)
2 3 (18.75%) Jasmine
3 2 (12.50%) Jenkins
3 2 (12.50%) JIRA
3 2 (12.50%) Protractor
3 2 (12.50%) Subversion
4 1 (6.25%) Appium
4 1 (6.25%) Cucumber
4 1 (6.25%) Gradle
4 1 (6.25%) JUnit
4 1 (6.25%) Maven
4 1 (6.25%) Team Foundation Server
4 1 (6.25%) WebDriver
General
1 2 (12.50%) Retail
2 1 (6.25%) Games
Job Titles
1 12 (75.00%) Developer
2 5 (31.25%) JavaScript Developer
3 4 (25.00%) Node.js Developer
3 4 (25.00%) React Developer
4 3 (18.75%) .NET Developer
4 3 (18.75%) Full Stack Developer
5 2 (12.50%) Angular Developer
6 1 (6.25%) Azure Developer
6 1 (6.25%) Business Intelligence Developer
6 1 (6.25%) C# .NET Developer
6 1 (6.25%) C# Developer
6 1 (6.25%) Consultant
6 1 (6.25%) Developer in Test
6 1 (6.25%) Java Developer
6 1 (6.25%) Java Developer in Test
6 1 (6.25%) Oracle Consultant
6 1 (6.25%) Senior Developer
6 1 (6.25%) Senior Java Developer
6 1 (6.25%) SQL Developer
Libraries, Frameworks & Software Standards
1 7 (43.75%) .NET
2 5 (31.25%) CSS
2 5 (31.25%) HTML
2 5 (31.25%) jQuery
2 5 (31.25%) Node.js
2 5 (31.25%) React
2 5 (31.25%) REST
3 4 (25.00%) AngularJS
3 4 (25.00%) ASP.NET
4 3 (18.75%) .NET Framework
4 3 (18.75%) ASP.NET Web API
4 3 (18.75%) CSS3
4 3 (18.75%) HTML5
4 3 (18.75%) Twitter Bootstrap
5 2 (12.50%) Angular 2
5 2 (12.50%) Entity Framework
5 2 (12.50%) JSON
5 2 (12.50%) KnockoutJS
5 2 (12.50%) NHibernate
5 2 (12.50%) RabbitMQ
Miscellaneous
1 4 (25.00%) Internet of Things
2 1 (6.25%) Data Structures
2 1 (6.25%) Digital Media
2 1 (6.25%) Greenfield Project
Processes & Methodologies
1 6 (37.50%) TDD
2 5 (31.25%) Agile Software Development
2 5 (31.25%) SOA
3 4 (25.00%) MVC
3 4 (25.00%) Test Automation
4 2 (12.50%) BDD
4 2 (12.50%) Demand Management
4 2 (12.50%) Domain-Driven Design
4 2 (12.50%) ERP
4 2 (12.50%) Logistics
4 2 (12.50%) Performance Tuning
4 2 (12.50%) Requirements Analysis
4 2 (12.50%) Responsive Web Design
4 2 (12.50%) UML
5 1 (6.25%) Analytics
5 1 (6.25%) ATDD
5 1 (6.25%) Business Analytics
5 1 (6.25%) Continuous Improvement
5 1 (6.25%) Data Analytics
5 1 (6.25%) Infrastructure Management
Programming Languages
1 9 (56.25%) JavaScript
2 6 (37.50%) SQL
3 5 (31.25%) C#
4 3 (18.75%) T-SQL
5 2 (12.50%) TypeScript
6 1 (6.25%) ES6
6 1 (6.25%) Java
6 1 (6.25%) PL/SQL
6 1 (6.25%) Ruby
Qualifications
1 2 (12.50%) Security Cleared
Quality Assurance & Compliance
1 3 (18.75%) QA
Vendors
1 3 (18.75%) Microsoft
2 1 (6.25%) Oracle
2 1 (6.25%) Salesforce.com