Freelance Free software Developers Available for Hire

Martin Bähr, Free software freelance programmerHire Now
Freelance Free software developer in Beijing, China

Free Software Architect - CTO Consultant - Blockchain Tech Advisor

I use Free Software almost exclusively in my work. Whatever problem my customers have, i will look for a Free Software solution or develop one.
Alexander Dymo, senior Free software developerHire Now
Freelance Free software developer in Pleasant Hill, United States

Ruby & Rails expert, author of Ruby Performance Optimization book. Frequent mentor on everything Rails and especially on Rails performance optimization

I used to be a university professor before switching to professional software development. Probably this is why I still love helping people. I can help you with everything related to Ruby and Rails. If you have the performance or scaling problem, I'm definitely the guy to ask. Over the last 10 years I became an expert on optimizing Rails applications, and, as the result, wrote the Ruby Performance Optimization book (

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