Przemyslaw Krowinski is a full-stack web developer with 8 years of experience working at startups. He has experience building, deploying, and growing various projects using different programming languages. He discusses his experiences with PHP, Ruby on Rails, Elixir, and the Phoenix framework, including reasons for moving between languages and frameworks such as lack of libraries, technical debt, or interest in functional programming. Krowinski also highlights the benefits of communities around these technologies that provide learning resources and emphasize best practices.

1. Przemyslaw Krowinski http://krowinski.com

2. • Full-stack web developer
• Startup ~8 years
• ProFinda.com

3. • Experiments with different programming languages
• Experiences with building, deploying and growing various projects
• Common problems and reasons to switch between different
languages, technologies
• Your ideas and experiences

4. • Easy to deploy - drag and drop
• Fast
Good parts:
Why move on?
• Lack of good libraries
• PHP4
• Technical debt

5. • Great, friendly community
• Emphasis on best practices, consistency
• Books, tutorials, meetups, learning resources
• Rails framework
Good parts:
Why move on?
• Rails framework
• Interest in Functional Programming
• Heavy, lot of external “dependancies”

6. • Great, friendly community
• Functional Programming
• Emphasis on best practices, consistency
• Books, tutorials, meetups, learning resources
• Phoenix framework
• Real-time support
• Lightweight
Good parts:
Source: “Elixir in Action” - Saša Jurić

7. • Traditional apps -> SPAs -> Traditional apps
• Phoenix comes with Brunch
• Pure ES6
• Elm

8. krowinski.com
hello@krowinski.com
@saneSquid