Quick Responder

Kasper König

Head of Engineering @ projo
10+ years of ruby development, ex-Stripe, ex-Solaris
Germany 5.0 (1 review) Active last month


$180 / month

Best suited for people learning ruby or wanting to improve their ruby

2 calls per month

Unlimited Q&A via chat

Expect responses in 2 days

Hands-on support

Apply now
Only 1 spot left!
Book now
View all sessions

7-day free trial

Cancel anytime


I'm an experienced engineer, originally from Copenhagen, coming from a background of mainly startups. I've been working in companies ranging from 10 employees to thousands, and built ecommerce, marketplaces, banking, payments, and more.

My specialty is ruby, which I've developed as my main language for the last 10 years.

I'm comfortable with all the surrounding technical pieces that goes into modern webapps: html, javascript, databases (in particular relational), deployment, CI, and so on.

Open to inquiries

You can message Kasper to ask questions before booking their services

Get in touch

What mentees say



5 out of 5 stars

Standard Plan · 
1 month

Get to know Kasper

Similar mentors