Hello my name is

Karl Butler

Web Developer

I'm a .NET Developer specialising in Umbraco website development. I'm currently working at Jaywing and recently was awarded a First in BSC(Hons) in Digital and Technology Solutions on a Degree Apprenticeship Programme.

Skills and Experience

Umbraco CMS Developer

Worked on a vast array of different web applications for differing clients across Umbraco v7, v8, v9, v10 and v11. Including brochure websites, e-commerce and portals to name a few. I'm also currently a Umbraco Certified Expert.

Hosting & Infrastructure

Have commissioned, setup, configured and maintained hosting for Umbraco websites using Azure and AWS. I have setup and configured CI/CD pipelines using Azure Pipelines, Octopus Deploy and Jenkins.

Front-end development

Used Bootstrap, Foundation and Tailwind CSS for front-end development work and have used JS frameworks such as Vanilla JS, JQuery, React, TypeScript and Angular. Also used and configured WebPack, Gulp, NunJucks and Vite for Front-End builds.

API Integrations

Worked on many API Integrations on a range of projects including Integrations with HubSpot, Stripe, Xero, TaxJar and Microsoft Dynamics for e-commerce. Integrated with Mailchimp, Maxemail, SendinBlue, HubSpot for Newsletter subscriptions. Other API integrations include Elastic Search, Picture Park DAM, LastPass, Okta and Azure AD for SSO.

Open-source contributions

Where possible I try to contribute to open source projects and have made PRs into Umbraco Docs and other Open Source projects such as the H5YR project. I've also written articles around Umbraco development for websites such as 24days.in

HubSpot CMS Developer

Worked with HubSpot CMS for last couple of years, and have built a few sites using this. I'm also a HubSpot Certified CMS developer and have received certification across some of their Marketing & SEO training courses.

Experience

2023 - Current 2018 - 2022 2016 - 2018

2023 - Current

.NET Developer

I joined Jaywing in January 2023 and in my current role I specialise in .NET development predominantly using Umbraco CMS.

Experience Overview:

Umbraco v9, v10 and v11 development
.NET Framework and .NET Core
Azure portal and Amazon AWS Infrastructure setup and maintenance
CI/CD through Azure Pipelines
Umbraco upgrades and migrations from v7 to v10
Building Umbraco E-Commerce platforms using Vendr / UmbracoCommerce
Hosting websites on Azure Hosting
Front-end development in Tailwind CSS, React, TypeScript and JavaScript
Front-end development using Vite.js and Storybook
Integrations with Stripe API to manage sales and subscriptions
Integrations with Microsoft Dynamics and HubSpot for posting data to CRM
Integrations with PicturePark for Media Digital Asset Management
Integrations with Elastic Search for content indexing
Integrations with APIs for Booking System functionality
Using Entity Framework with API integrations and extending backoffice for displaying the data
Production of Functional and Technical Design specifications, including estimation
Integrations with Microsoft Dynamics and HubSpot for posting data to CRM

Overview of some projects:

Using Vendr to build ecommerce websites
Migrating an Umbraco v7 website to Umbraco v10
Integrations with Hubspot Ecommerce bridge to post member and sales information
Integrations with Stripe API to manage sales and subscriptions
Integrations with Microsoft Dynamics and HubSpot for posting data to CRM
Integrations with PicturePark for Media Digital Asset Management
Integrations with Elastic Search for content indexing
Integrations with APIs for Booking System functionality

2018 - Current

Umbraco Web Developer

I joined Carbon Six Digital in 2018, on the Degree Apprenticeship program, studying for a Digital and Technology Solutions degree with the Open University. and finished my BSC(Hons) in Digital and Technology solution in September 2022

In my current role, I specialise in web development using Umbraco, and more recently Hubspot CMS. I've worked on a wide range of projects and packages for varying clients, including front-end & back-end development, testing, support and infrastructure setup and maintenance

Experience Overview:

Umbraco v7, v8, and v9 development
.NET Framework and .NET Core
Azure portal and Amazon AWS Infrastructure setup and maintenance
CI/CD through Azure Pipelines, Github Actions, Jenkins and Octopus Deploy
Umbraco upgrades and migrations from v7 to v9
Umbraco migrations from Umbraco cloud to standalone hosting
Building Umbraco E-Commerce platforms using Vendr, Merchello and TeaCommerce
Hosting websites on Umbraco cloud, Azure Hosting and Amazon AWS
Integration with Amazon S3 Buckets and Azure Blob Storage
Front-end development in Bootstrap, Foundation CSS, Tailwind CSS
Front-end development using JQuery, JavaScript, React and Angular JS
Umbraco C-Trib badge awarded for contributions to Umbraco Docs and Open-source projects
Hubspot website development using HubL and HubDB

Overview of some projects:

SAML Integrations for SSO with Umbraco
Using Vendr, Merchello and TeaCommerce to build ecommerce websites
Integrations with Mailchimp, MaxeMail, SendInBlue, HubSpot for newsletter subscriptions
Integrations with Xero API to produce invoices for E-Commerce websites
Integrations with Hubspot Ecommerce bridge to post member and sales information
Integrations with TaxJar to manage sales tax
Integrations with Stripe API to manage sales and subscriptions
Content Personalisation for members

2016 - 2018

Farnborough Sixth Form - College Student

I studied Computer Science, Physics and Maths at AS and A-Levels achieving:

Computer Science: A
Physics: A
Maths: B

Recent Blogs

December 2022

Pillars of Creation

Discussing the 4 pillars of sustainability and how these should be implemented when developing websites. Originally written for 24days.in Umbraco in 2022.

Umbraco Back-end

September 2022

Degree Apprenticeships: My Experience

My experience of completing a Degree Apprenticeship alongside working full time and the lessons learnt from this.

Feel free to connect

You can find me here