Jarek Kowalewski
Senior Ruby on Rails Software Engineer at Visuality
Based in Warsaw, Poland
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Seniority
Staff
Department
Information Technology
Location
Warsaw
Industry
Technology; Information and Internet
Company size
60
Contact information
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j•••••••@visuality.pl
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Background
About Jarek Kowalewski
Optimization is the art of turning chaos into a perfectly fine mess. Hi, I’m a software engineer with over 12 years of experience building and optimizing web applications. I specialize in Ruby on Rails, with a strong focus on improving application performance and ensuring seamless scalability. From fine-tuning database queries in PostgreSQL to streamlining backend processes, I’m all about making systems faster, more efficient, and ready for growth. When I’m not in the code, you’ll likely find me at the gym, jamming on my guitar, or improving my latest cocktail recipe (and of course, mixing it). I’m always eager to collaborate on projects that make an impact and to share ideas for creating better, faster, and smarter software.
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