Period
to 22 November 2018

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 22 November 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.

SOLID Principles
East of England > Hertfordshire
6 months to
22 Nov 2018
Same period 2017 Same period 2016
Rank 94 83 91
Rank change year-on-year -11 +8 -
Contract jobs citing SOLID 13 20 4
As % of all contract IT jobs advertised in Hertfordshire 0.79% 1.27% 0.29%
As % of the Processes & Methodologies category 0.97% 1.55% 0.36%
Number of daily rates quoted 12 45 1
Hertfordshire median daily rate £425 £363 £450
Median daily rate % change year-on-year +17.24% -19.44% -
10th Percentile £366 £350 £425
90th Percentile £556 £538 £475
East of England median daily rate £420 £363 £375
% change year-on-year +15.86% -3.33% -
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 1,342 1,293 1,100
As % of all contract IT jobs advertised in Hertfordshire 81.73% 81.78% 78.63%
Number of daily rates quoted 814 644 634
Hertfordshire median daily rate £425 £400 £410
Median daily rate % change year-on-year +6.25% -2.44% +2.50%
10th Percentile £205 £204 £221
90th Percentile £569 £575 £538
East of England median daily rate £440 £425 £400
% change year-on-year +3.53% +6.25% -
Number of hourly rates quoted 80 73 62
Hertfordshire median hourly rate £17.84 £17.50 £26.75
Median hourly rate % change year-on-year +1.94% -34.58% +27.38%
10th Percentile £12.35 £13.00 £10.53
90th Percentile £48.30 £46.50 £53.75
East of England median hourly rate £17.99 £30.50 £31.00
% change year-on-year -41.03% -1.61% +30.53%

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 22 November 2018.

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 22 November 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
Hemel Hempstead - 6 £423 -
Welwyn Garden City -8 3 £538 +2.38% 2
Hatfield +3 1 £250 -54.55%
Watford -2 1 £538 +48.28%
St Albans -3 1 £375 +15.38% 2
SOLID
East of England

For the 6 months to 22 November 2018, 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 12 (92.31%) Web Services
1 12 (92.31%) MVC
2 11 (84.62%) Agile Software Development
3 9 (69.23%) TDD
3 9 (69.23%) Refactoring
4 7 (53.85%) .NET
4 7 (53.85%) C#
5 6 (46.15%) Java
5 6 (46.15%) Visual Studio
5 6 (46.15%) ASP.NET
5 6 (46.15%) ASP.NET MVC
5 6 (46.15%) REST
5 6 (46.15%) Asynchronous Programming
6 5 (38.46%) AngularJS
6 5 (38.46%) SOA
6 5 (38.46%) CSS
6 5 (38.46%) SOAP
6 5 (38.46%) JavaScript
6 5 (38.46%) HTML
6 5 (38.46%) Windows
6 5 (38.46%) Web Development
6 5 (38.46%) WCF
6 5 (38.46%) NUnit
6 5 (38.46%) Spring
6 5 (38.46%) Software Engineering
6 5 (38.46%) Velocity
6 5 (38.46%) ReSharper
6 5 (38.46%) Multithreading
6 5 (38.46%) Git (software)
7 4 (30.77%) Test Automation

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 1 (7.69%) JBoss
Cloud Services
1 4 (30.77%) Amazon AWS
2 1 (7.69%) Microsoft Azure
Database & Business Intelligence
1 4 (30.77%) MongoDB
2 3 (23.08%) SQL Server Reporting Services
3 1 (7.69%) RDBMS
3 1 (7.69%) Relational Database
Development Applications
1 6 (46.15%) Visual Studio
2 5 (38.46%) Git (software)
2 5 (38.46%) NUnit
2 5 (38.46%) ReSharper
3 4 (30.77%) Grunt
3 4 (30.77%) gulp
3 4 (30.77%) IntelliJ
4 1 (7.69%) EasyMock
4 1 (7.69%) Hamcrest
4 1 (7.69%) JUnit
4 1 (7.69%) Mockito
Job Titles
1 11 (84.62%) Developer
2 7 (53.85%) .NET Developer
3 6 (46.15%) C# .NET Developer
3 6 (46.15%) C# Developer
4 4 (30.77%) Java Developer
5 2 (15.38%) ASP.NET Developer
5 2 (15.38%) ASP.NET MVC Developer
5 2 (15.38%) C# ASP.NET Developer
6 1 (7.69%) Java Engineer
6 1 (7.69%) Java Software Engineer
6 1 (7.69%) SC Cleared Software Engineer
6 1 (7.69%) Senior Java Engineer
6 1 (7.69%) Senior Java Software Engineer
6 1 (7.69%) Senior Software Engineer
6 1 (7.69%) Software Engineer
6 1 (7.69%) SQL Developer
6 1 (7.69%) SSRS Developer
Libraries, Frameworks & Software Standards
1 12 (92.31%) Web Services
2 7 (53.85%) .NET
3 6 (46.15%) ASP.NET
3 6 (46.15%) ASP.NET MVC
3 6 (46.15%) REST
4 5 (38.46%) AngularJS
4 5 (38.46%) CSS
4 5 (38.46%) HTML
4 5 (38.46%) SOAP
4 5 (38.46%) Spring
4 5 (38.46%) Velocity
4 5 (38.46%) WCF
5 4 (30.77%) Dropwizard
5 4 (30.77%) HTML5
5 4 (30.77%) Hystrix
5 4 (30.77%) React
5 4 (30.77%) Scalatra
5 4 (30.77%) Spring Boot
6 3 (23.08%) Play Framework
7 1 (7.69%) Android SDK
Miscellaneous
1 1 (7.69%) Analytical Skills
1 1 (7.69%) Mobile App
1 1 (7.69%) Social Media
1 1 (7.69%) User Experience
Operating Systems
1 5 (38.46%) Windows
2 2 (15.38%) Android
3 1 (7.69%) Apple iOS
Processes & Methodologies
1 12 (92.31%) MVC
2 11 (84.62%) Agile Software Development
3 9 (69.23%) Refactoring
3 9 (69.23%) TDD
4 6 (46.15%) Asynchronous Programming
5 5 (38.46%) Multithreading
5 5 (38.46%) SOA
5 5 (38.46%) Software Engineering
5 5 (38.46%) Web Development
6 4 (30.77%) BDD
6 4 (30.77%) Continuous Integration
6 4 (30.77%) Deployment Automation
6 4 (30.77%) Digital Transformation Programme
6 4 (30.77%) Domain-Driven Design
6 4 (30.77%) Front End Development
6 4 (30.77%) Kanban
6 4 (30.77%) Microservices
6 4 (30.77%) Pair Programming
6 4 (30.77%) Scrum
6 4 (30.77%) Test Automation
Programming Languages
1 7 (53.85%) C#
2 6 (46.15%) Java
3 5 (38.46%) JavaScript
4 4 (30.77%) Java 8
5 3 (23.08%) Groovy
6 1 (7.69%) Kotlin
6 1 (7.69%) SQL
6 1 (7.69%) TypeScript
Qualifications
1 1 (7.69%) SC Cleared
1 1 (7.69%) Security Cleared
Quality Assurance & Compliance
1 4 (30.77%) QA
Vendors
1 4 (30.77%) New Relic
2 2 (15.38%) Google
3 1 (7.69%) Facebook
3 1 (7.69%) Twitter
3 1 (7.69%) Xamarin