Paul Mieczkowski

Paul Mieczkowski
Full stack .Net developer
Chicago, IL, 60613


Full stack developer / multiplatform system architect specialising in Microsoft technologies. Startup enthusiast with nearly 12 years of work experience, including some high profile clients such as American Express, Guinness World Records, Sony and the UK Government organisations.

In "Recent Projects / Portfolio" section, you'll find some of the projects/startups that I work on in my free time.

ASP.NET, MVC, dotnet core, Windows Azure (experienced with Search Service, TFS, AD B2C, queues, azure functions), Umbraco CMS (v4+), Javascript Development (Angular, jquery, knockout), Google Firebase, Xamarin, Twitter Bootstrap

Full work authorisation in USA (green card), EU (polish citizen) and UK (british citizen).

Work Experience

Arnold Clark, Glasgow, Scotland (contract)
09.2019 - 12.2019
C# developer, onsite
Short-term project, during which I worked on updating and creating new microservices (.net core) being part of after sales services that company offers to their customers. I helped with re-writing existing code to follow clean design pattern and increase testability; and also infrastructure improvements by introducing queue processors. I also gained new experience with devops tools such as Jenkins, docker, kubernetes and terraform.
01.2018 - Current
Founder / Lead Developer
Own project that I built in 2013. is a multi-platform viewings scheduling application for estate agents and private landlords. The app is now used across the globe by over 1000 active users. The app is currently build in Angular 7 (client) and dotnet core 3.1 API. It follows clean MediatR/CQRS design pattern. I use queue processors for various background tasks. These days, app requires almost none of my attention as all tasks are automated. The project itself however, provides a great platform to try-out and test, new tech, infrastructure improvements that I learn about, research in meantime. Please visit project's technical info
Freelancing / Support (remote)
2018 - 2019
Freelance, remote work for previous clients
As well as concentrating on my project, I spent 2 years working on number of projects for my previous clients. Mostly support and upgrade of the projects that I built previously. This includes QBUE Europe website (Simplycity Partners / Hellow World Group) and number of different projects for "SGK Inc! / Anthem! World Wide / Brandimage" company that I worked for for almost 5 years. I also took time to upgrade my skills via online courses mostly towards devops, angular, Azure services.
Scottish Enterprise, Scotland (contract)
03.2017 - 12.2017
Full Stack Developer, full time, remote & onsite
I worked on the several projects taking part in a digital transformation process across the organisation. I worked with the internal Umbraco applications and on new multi-platform applications being built in angular/.NET core technology. I worked on client and API applications. The applications hosted within Windows Azure, utilising some of its interesting features such as IDaaS (Active Directory B2C), JWT token security, Azure Search service etc. I've also gained experience in continuous deployment area helping to set up TFS builds and deployments to Microsoft Azure.
Simplycity Partners / Hellow World Group, London, UK (contract)
05.2016 - 02.2017
Lead Umbraco Developer, full time, onsite & remote
I was hired to lead the build for the new QBE Insurance European Division website, URL: I was responsible for Umbraco architecture and implementation and JavaScript/Backend integration. The website has been built in a modular way to give the CMS user the maximum flexibility and it's integrated with several QBE data sources. I developed a custom documents library section and a security module, which let QBE protect the pages and/or documents from the public access. Website is multi-lingual and there are 7 country versions run within the installation.
SGK Inc! / Anthem! World Wide / Brandimage, London, UK (contract)
01.2015 - 02.2017
Lead Developer: .NET/Umbraco/JS/Azure, full time, onsite & remote
Following the departure of the current at the time, technical director, SGK re-hired me to use my previously gained experience for building and supporting the enterprise solutions for their key clients such as American Express.
Reactive, Sydney, Australia
03.2014 - 09.2014
Umbraco / .NET Developer, full time, onsite contract
During my 6 months contract with Reactive, I worked on rebuilding an existing, large, multi country/lingual Sitecore website and built from scratch, an Umbraco 7 "whitesite" - base, design to host multiple websites - each with fully customisable look and structure.
The Cogworks, London, UK (contract)
06.2013 - 10.2013
Umbraco / .NET Developer, full time, onsite contract
As a member of a development team, I was involved in both - backend and frontend development. I worked on existing and new projects. I built several custom fields and extension for umbraco backoffice and umbraco contour, supported existing projects and helped with frontend development.
SGK Inc! / Anthem! World Wide / Brandimage, London, UK
03.2011 - 03.2013
Senior Umbraco / .NET Developer, full time, onsite
Digital department of an international brand delivery management company. My daily tasks included: developing .Net/Umbraco solutions and maintenance of large .NET/umbraco websites. Working at Schawk gave me the opportunity to work for many international brands such as American Express, Guinness World Records and uKash.
Screenmedia, Glasgow, UK
06.2010 – 03.2011
Umbraco / .NET Developer, full time, onsite contract
Web developer at Scotland's leading digital production studio, working closely with digital producers and designers, my daily tasks included building new Umbraco-powered websites and web apps.
Inigo Media, Edinburgh, UK
09.2009 – 04.2010
Web Developer, full time, onsite contract
Development of business applications in PHP 5, drupal and wordpress powered websites; and online shops using Magento e-commerce. Maintaining the server, setting up and renewing SSL certificates; and integrating payment gateways.
Euro Business Solutions, Edinburgh, UK
06.2008 – 08.2009
PHP / Coldfusion 8 Web Developer, full time, onsite
I was working in a team of developers, developing system and business application and maintaining large databases.


  • 2010

    BSc Computing

    Edinburgh Napier University, Edinburgh, UK. Awarded with distinction.

  • 2008

    Higher National Diploma in Applied Computing

    University of the West of Scotland, Hamilton, Scotland. Awarded with distinction.

Links & Contact

Recent Projects / Portfolio
USA: (224) 499 3767
Skype: paul.mieczkowski

Key skills and expertise

ASP.NET MVC, dotnet core, APIs
Umbraco CMS
Multiplatform system architecure inc. DI, unit testing, APIs, Azure
Javascript inc. jQuery, Angular, knockout.js etc.
Twitter Bootstrap


Level 1 and 2 Certified Umbraco Developer

Certified Umbraco Developer in London