Period
to 18 January 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 18 January 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
18 Jan 2019
Same period 2018 Same period 2017
Rank 91 85 88
Rank change year-on-year -6 +3 +4
Contract jobs citing SOLID 4 17 10
As % of all contract IT jobs advertised in Hertfordshire 0.28% 1.10% 0.71%
As % of the Processes & Methodologies category 0.34% 1.31% 0.90%
Number of daily rates quoted 4 42 2
Hertfordshire median daily rate £456 £363 £331
Median daily rate % change year-on-year +25.86% +9.43% -
10th Percentile £284 £346 £306
90th Percentile £556 £538 £362
East of England median daily rate £375 £363 £350
% change year-on-year +3.45% +3.57% -12.50%
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 1,189 1,294 1,109
As % of all contract IT jobs advertised in Hertfordshire 81.89% 83.65% 78.99%
Number of daily rates quoted 710 648 618
Hertfordshire median daily rate £425 £400 £425
Median daily rate % change year-on-year +6.25% -5.88% +3.03%
10th Percentile £205 £213 £213
90th Percentile £569 £575 £550
East of England median daily rate £450 £425 £400
% change year-on-year +5.88% +6.25% -
Number of hourly rates quoted 66 60 57
Hertfordshire median hourly rate £18.74 £17.75 £39.70
Median hourly rate % change year-on-year +5.55% -55.29% +84.65%
10th Percentile £12.74 £13.00 £10.30
90th Percentile £51.25 £47.25 £53.00
East of England median hourly rate £19.25 £31.27 £32.50
% change year-on-year -38.43% -3.80% +9.24%

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
Contractor Daily Rate Histogram in Hertfordshire

The daily rate distribution of IT jobs citing SOLID in Hertfordshire over the 6 months to 18 January 2019.

Contractor daily rate histogram 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 18 January 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 +2 2 £538 +2.38% 2
Hatfield +5 1 £250 -54.55%
St Albans +2 1 £375 +15.38% 4
SOLID
East of England

For the 6 months to 18 January 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%) MVC
2 3 (75.00%) Java
2 3 (75.00%) Web Services
2 3 (75.00%) Agile Software Development
2 3 (75.00%) Git (software)
2 3 (75.00%) AngularJS
3 2 (50.00%) BDD
3 2 (50.00%) MongoDB
3 2 (50.00%) Grunt
3 2 (50.00%) Play Framework
3 2 (50.00%) Scalatra
3 2 (50.00%) New Relic
3 2 (50.00%) Microservices
3 2 (50.00%) React
3 2 (50.00%) Spring Boot
3 2 (50.00%) gulp
3 2 (50.00%) Front End Development
3 2 (50.00%) Dropwizard
3 2 (50.00%) Hystrix
3 2 (50.00%) Amazon AWS
3 2 (50.00%) HTML5
3 2 (50.00%) Digital Transformation Programme
3 2 (50.00%) Java 8
3 2 (50.00%) Web Application Development
3 2 (50.00%) Deployment Automation
3 2 (50.00%) Test Automation
3 2 (50.00%) Domain-Driven Design
3 2 (50.00%) Continuous Integration
3 2 (50.00%) Kanban
3 2 (50.00%) Groovy

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:

Cloud Services
1 2 (50.00%) Amazon AWS
2 1 (25.00%) Microsoft Azure
Database & Business Intelligence
1 2 (50.00%) MongoDB
Development Applications
1 3 (75.00%) Git (software)
2 2 (50.00%) Grunt
2 2 (50.00%) gulp
2 2 (50.00%) IntelliJ
3 1 (25.00%) Visual Studio
Job Titles
1 3 (75.00%) Developer
2 2 (50.00%) Java Developer
3 1 (25.00%) .NET Developer
Libraries, Frameworks & Software Standards
1 3 (75.00%) AngularJS
1 3 (75.00%) Web Services
2 2 (50.00%) CSS
2 2 (50.00%) Dropwizard
2 2 (50.00%) HTML
2 2 (50.00%) HTML5
2 2 (50.00%) Hystrix
2 2 (50.00%) Play Framework
2 2 (50.00%) React
2 2 (50.00%) Scalatra
2 2 (50.00%) Spring
2 2 (50.00%) Spring Boot
3 1 (25.00%) .NET
3 1 (25.00%) Android SDK
3 1 (25.00%) ASP.NET Web API
3 1 (25.00%) Google Maps API
3 1 (25.00%) SignalR
Miscellaneous
1 1 (25.00%) Analytical Skills
1 1 (25.00%) Mobile App
1 1 (25.00%) Social Media
1 1 (25.00%) User Experience
Operating Systems
1 2 (50.00%) Android
2 1 (25.00%) Apple iOS
Processes & Methodologies
1 4 (100.00%) MVC
2 3 (75.00%) Agile Software Development
3 2 (50.00%) BDD
3 2 (50.00%) Continuous Integration
3 2 (50.00%) Deployment Automation
3 2 (50.00%) Digital Transformation Programme
3 2 (50.00%) Domain-Driven Design
3 2 (50.00%) Front End Development
3 2 (50.00%) Kanban
3 2 (50.00%) Microservices
3 2 (50.00%) Pair Programming
3 2 (50.00%) Refactoring
3 2 (50.00%) Scrum
3 2 (50.00%) SOA
3 2 (50.00%) Software Engineering
3 2 (50.00%) TDD
3 2 (50.00%) Test Automation
3 2 (50.00%) Web Application Development
3 2 (50.00%) Web Development
4 1 (25.00%) Push Notifications
Programming Languages
1 3 (75.00%) Java
2 2 (50.00%) Groovy
2 2 (50.00%) Java 8
2 2 (50.00%) JavaScript
3 1 (25.00%) C#
3 1 (25.00%) Kotlin
3 1 (25.00%) TypeScript
Quality Assurance & Compliance
1 2 (50.00%) QA
Vendors
1 2 (50.00%) New Relic
2 1 (25.00%) Facebook
2 1 (25.00%) Google
2 1 (25.00%) Twitter
2 1 (25.00%) Xamarin