Kirill Zonov

I'm an engineer. I like clean, effective and readable code. A good software developer should be pragmatic, not a fanatic. I can teach you not only how to write symbols, but also how to think in the proper way.
Time zone: GMT +1


I started my career as a system administrator. In one point I started to work in software development company as an admin and then started to use Bash, Ruby and etc. A while later I realized that for me programming is much more interesting than just utilizing already created tools and switched my role to Junior Software Developer. After one year of work, I felt that I need more adventures and tried myself as a freelancer. Everything worked great so I started thinking about creating software development company. Voila! That's how Racoons Group had been created. In that company, I was a lead tech person, mentored juniors, made project estimations, participated in architecture planning etc. In 2016 life turned differently and company had been closed. Since that time I work in Germany as a Senior Software Engineer, focused mostly on the backend and infrastructure part.

I have a blog, where I write about both introductory how-to articles and more advanced topics I speak at local meetups (Ruby User Group, Voice Interfaces) and conferences (DevOpsDays Berlin). My forte is to learn quickly. During hackathons and pet projects I tried to work with a bunch of technologies: Python, Elixir, Swift, React Native, Clojure. But every day and the most beloved is still Ruby and sometimes JS on both frontend and backend sides. Also Go recently came into my life and I enjoy its simplicity.

Core skills

  • gems
  • aws
  • backend
  • mongodb
  • ml
  • postgresql
  • swift
  • mysql
  • nginx
  • docker
  • ruby on rails
  • rspec
  • ruby
  • oop
  • python
  • javascript
  • node.js
  • git
  • web-development


  • Web-applications on Ruby on Rails

    Worked with plenty of projects, from MVPs to huge web-services with dozens of microservices and distributes DBs. Can help you move forward towards such a beautiful life.

  • Programming in Ruby

    I used to work with Rails, pure Ruby, Grape, even Hanami. I saw great and awful architecture, tons of legacy code and well-used patterns. Can help you to not become spagetti-code writer.

  • Public Cloud

    Will support you in building a reliable and scalable cloud infrastructure. I'll guide you through the jungle of Amazon Web Services solutions and help to pick and set up the needed ones.