Period
to 16 July 2019

The following table provides summary statistics for contract job vacancies advertised in Hertfordshire with a requirement for SOLID skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited SOLID over the 6 months to 16 July 2019 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.

SOLID Principles
East of England > Hertfordshire
6 months to
16 Jul 2019
Same period 2018 Same period 2017
Rank 98 82 85
Rank change year-on-year -16 +3 -6
Contract jobs citing SOLID 4 17 8
As % of all contract IT jobs advertised in Hertfordshire 0.28% 1.08% 0.63%
As % of the Processes & Methodologies category 0.33% 1.33% 0.78%
Number of daily rates quoted 4 16 4
Hertfordshire median daily rate £450 £420 £375
Median daily rate % change year-on-year +7.14% +12.00% -16.67%
East of England median daily rate £400 £425 £375
% change year-on-year -5.88% +13.33% -11.76%
Number of hourly rates quoted 0 0 0
Hertfordshire median hourly rate - - -
East of England median hourly rate - - -

SOLID 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 1,207 1,283 1,031
As % of all contract IT jobs advertised in Hertfordshire 83.18% 81.72% 81.83%
Number of daily rates quoted 648 715 528
Hertfordshire median daily rate £450 £400 £425
Median daily rate % change year-on-year +12.50% -5.88% +6.25%
10th Percentile £296 £207 £211
90th Percentile £588 £566 £588
East of England median daily rate £450 £433 £425
% change year-on-year +4.05% +1.76% +3.66%
Number of hourly rates quoted 60 94 65
Hertfordshire median hourly rate £18.00 £17.32 £20.76
Median hourly rate % change year-on-year +3.93% -16.55% -30.82%
10th Percentile £10.13 £10.84 £11.31
90th Percentile £57.88 £46.25 £52.50
East of England median hourly rate £17.50 £17.50 £31.25
% change year-on-year - -44.00% +35.87%

SOLID
Job Vacancy Trend in Hertfordshire

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

Job vacancy trend for SOLID in Hertfordshire

SOLID
Contractor Daily Rate Trend in Hertfordshire

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

Contractor daily rate trend for SOLID in Hertfordshire

SOLID
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 SOLID within the Hertfordshire region over the 6 months to 16 July 2019. 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
Welwyn Garden City +16 2 £450 -16.28% 1
Hemel Hempstead -1 2 £450 +12.50%
SOLID
East of England

For the 6 months to 16 July 2019, IT contractor jobs citing SOLID 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 SOLID.

1 4 (100.00%) Git (software)
1 4 (100.00%) TDD
2 2 (50.00%) NUnit
2 2 (50.00%) Drupal
2 2 (50.00%) User Acceptance Testing
2 2 (50.00%) Unit Testing
2 2 (50.00%) Integration Testing
2 2 (50.00%) Atlassian Bamboo
2 2 (50.00%) Continuous Integration
2 2 (50.00%) Kanban
2 2 (50.00%) WordPress
2 2 (50.00%) MVC
2 2 (50.00%) CMS
2 2 (50.00%) Scrum
2 2 (50.00%) Agile Software Development
2 2 (50.00%) C#
2 2 (50.00%) HTML
2 2 (50.00%) Java
2 2 (50.00%) JavaScript
2 2 (50.00%) PHP
2 2 (50.00%) .NET
2 2 (50.00%) MySQL
2 2 (50.00%) CSS
2 2 (50.00%) OO
2 2 (50.00%) SOA
2 2 (50.00%) RESTful
2 2 (50.00%) Microsoft Azure
2 2 (50.00%) Dependency Injection
2 2 (50.00%) MSTest
2 2 (50.00%) Moq

SOLID
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 (50.00%) CMS
1 2 (50.00%) Drupal
1 2 (50.00%) Elasticsearch
1 2 (50.00%) SilverStripe
1 2 (50.00%) WordPress
Cloud Services
1 2 (50.00%) Microsoft Azure
Database & Business Intelligence
1 2 (50.00%) MongoDB
1 2 (50.00%) MySQL
1 2 (50.00%) NoSQL
Development Applications
1 4 (100.00%) Git (software)
2 2 (50.00%) Atlassian Bamboo
2 2 (50.00%) Moq
2 2 (50.00%) MSTest
2 2 (50.00%) NUnit
2 2 (50.00%) Octopus Deploy
2 2 (50.00%) SpecFlow
2 2 (50.00%) xUnit.net
Job Titles
1 4 (100.00%) Developer
1 4 (100.00%) Senior Developer
2 2 (50.00%) .NET Developer
2 2 (50.00%) Agile .NET Developer
2 2 (50.00%) Agile C# Developer
2 2 (50.00%) Agile Developer
2 2 (50.00%) C# .NET Developer
2 2 (50.00%) C# Developer
2 2 (50.00%) PHP Developer
2 2 (50.00%) Senior .NET Developer
2 2 (50.00%) Senior Agile Developer
2 2 (50.00%) Senior C# .NET Developer
2 2 (50.00%) Senior C# Developer
2 2 (50.00%) Senior PHP Developer
Libraries, Frameworks & Software Standards
1 2 (50.00%) .NET
1 2 (50.00%) .NET Core
1 2 (50.00%) ASP.NET Web API
1 2 (50.00%) CSS
1 2 (50.00%) HTML
1 2 (50.00%) Laravel
1 2 (50.00%) Ninject
1 2 (50.00%) Node.js
1 2 (50.00%) RabbitMQ
1 2 (50.00%) RESTful
1 2 (50.00%) Unity DI Container
1 2 (50.00%) Vue.js
Processes & Methodologies
1 4 (100.00%) TDD
2 2 (50.00%) Agile Software Development
2 2 (50.00%) Coaching
2 2 (50.00%) Continuous Deployment
2 2 (50.00%) Continuous Integration
2 2 (50.00%) Dependency Injection
2 2 (50.00%) DevOps
2 2 (50.00%) Integration Testing
2 2 (50.00%) Kanban
2 2 (50.00%) Mentoring
2 2 (50.00%) Microservices
2 2 (50.00%) MVC
2 2 (50.00%) OO
2 2 (50.00%) Scrum
2 2 (50.00%) SOA
2 2 (50.00%) Unit Testing
2 2 (50.00%) User Acceptance Testing
Programming Languages
1 2 (50.00%) C#
1 2 (50.00%) Java
1 2 (50.00%) JavaScript
1 2 (50.00%) PHP
System Software
1 2 (50.00%) Docker