Ruby on Rails Engineer

Yurii Makarenko

I am a software developer with 5 years of experience building and scaling production applications. Strong background in RESTful API design, background processing, database optimization, and system integration. Experienced in feature ownership from design to deployment in remote Agile teams.

I value ownership, clear communication, collaboration, and continuous learning, and I enjoy solving complex technical problems.

Work Experience

IndigoDev | Backend Developer

May 2023 - Present | Ukraine, remote

Tech-stack:

Ruby, Ruby on Rails, PostgreSQL, Sidekiq, Redis, RSpec, React, MongoDB, DigitalOcean, NodeJS...

Description:
  • Designed and maintained REST and GraphQL APIs for internal teams and external integrations.
  • Implemented background job processing with Sidekiq, reducing API response time and improving system throughput by ~20%.
  • Optimized PostgreSQL queries and improved database performance under production load.
  • Owned backend features end-to-end: architecture, implementation, testing, and deployment.
  • Maintained high test coverage using RSpec and improved overall system reliability.

Syndicode | Backend Developer

December 2021 - May 2023 | Ukraine, remote

Tech-stack:

Ruby, Ruby on rails, Postgres, Heroku, Sidekiq, Rspec, Swagger

Description:
  • Developed and maintained scalable Ruby on Rails SaaS applications.
  • Improved PostgreSQL performance through query optimization and indexing.
  • Integrated third-party services and ensured production stability.
  • Participated in code reviews and Agile development processes.

DigitalSuits | Backend Developer

June 2021 - December 2021 | Ukraine, remote

Tech-stack:

Ruby, Ruby on rails, Postgres, Rspec

Description:
  • Refactored and optimized legacy Rails codebases to improve maintainability.
  • Implemented automated testing strategies using RSpec.
  • Investigated and resolved production issues to ensure business continuity.

Education / Trainings

"Goodprogrammer" | Ruby on Rails Developer

May 2019 - October 2019 | on-line

Kyiv University of Management | Financier

September 2007 - May 2011 | Ukraine, Kyiv