Position: Ruby/Ruby on Rails Developer
Category: Ruby
English level: pre
Years of experience: 7

Have worked in startup as lead developer, team with 1-2 lower-level developers.
Have worked in big data project, had direct communication with customer.
Have optimised PostgreSQL database structure and SQL queries.
Could develop frontend features with ReactJS and CSS.
Main language/database: Ruby (RoR), PostgreSQL.
Additional skills: JS (ReactJS), PHP, MySQL.

Approx. 1 year I've worked as Trainee developer and freelancer to gain experience.
After that I have over 4 years work experience with commercial projects.
Don't want to work in team without office in Kharkiv.
Don't want to work in startup with small lifetime.
Don't want to work on scrappers, blockchain, crypto.
Ready to work in office with optional remote.