Michael Whittaker - Inhaber Owner at michael whittaker

Michael Whittaker

Inhaber Owner at michael whittaker | it-beratung

Greater Bielefeld Area Germany

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Summary

👤

Senior

🎓

Top School

Michael Whittaker is a seasoned software entrepreneur and consultant based in the Greater Bielefeld area, Germany, with over a decade of experience crafting web applications and leading technology initiatives. As founder and owner of michael whittaker it-beratung, he helps startups and SMBs navigate full-stack web development—from ASP.NET Core, Ruby on Rails, and PHP to cloud, DevOps, Kubernetes, and agile project management. His work spans web application development, web services, mobile web, NoSQL, testing, and infrastructure management, with a practical focus on delivering scalable, reliable systems. An active open-source contributor in the Rails ecosystem, he helped modernize acts_as_votable for Rails 4, implementing strong parameters, addressing deprecations, and refining migrations. With formal MIS education (MS from Universität Paderborn) and multi-university business studies, he blends technical depth with business acumen to translate requirements into value-driven software. He brings a rare mix of hands-on engineering, client-focused consulting, and startup-ready mindset to translate complex ideas into pragmatic, auditable solutions.

13 years of coding experience

1 year of employment as a software developer

Master of Science, Management Information Systems, Master of Science, Management Information Systems at Universität Paderborn

Abitur, Abitur at Ev. Stift. Gymnasium Gütersloh

Bachelor, Business Administration, Economics, Bachelor, Business Administration, Economics at Karl-Franzens-Universität Graz

Bachelor, Business Information Systems, Economics, Business Administration, Bachelor, Business Information Systems, Economics, Business Administration at Paderborn University

Wirtschaftsinformatik, Wirtschaftsinformatik at Fachhochschule für die Wirtschaft Paderborn

English, German, Spanish

Github Skills (15)

compatibility10

activerecord10

ruby-rails10

compatible10

rails510

rails10

versioning10

backward-compatibility10

binary-compatibility10

backwards-compatibility10

ruby10

api-design9

restful-api9

rest-api9

api-rest9

Programming languages (10)

PowerShellC#DockerfileJavaJavaScriptPHPHTMLRuby

Github contributions (5)

ryanto/acts_as_votable

Feb 2013 - Apr 2013

Votable ActiveRecord for Rails

Role in this project:

Back-end Developer

Contributions:11 commits in 1 month

Contributions summary:Michael primarily contributed to fixing and updating the `acts_as_votable` library for Rails, adapting it to newer versions, specifically Rails 4. Their work involved refactoring code to incorporate strong parameters, resolving deprecation warnings, and addressing issues related to Rails compatibility. They also made changes to the migration file and controller parameters to ensure the library's functionality and compatibility.

ruby-on-railsrailsrubyactivemodelactiverecord

PingoUPB/PINGOWebApp

Feb 2014 - Oct 2018

source code of the PINGO web app - (see readme, wiki and http://blogs.upb.de/pingo/opensource/ for more info)

Contributions:21 commits, 1 PR, 15 pushes in 4 years 8 months

classroom-response-systemupbaudience-response-systemrubymore-info

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