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Ruby on Rails Developer

Age:: 32 years
City of residence:: Kyiv
Ready to work:: Remote

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OLEH ARTIUKH
Ruby on Rails Developer

(look above in the "contact info" section) | (look above in the "contact info" section) | Ukraine, Kyiv

SUMMARY

Ruby on Rails developer with 3+ years of commercial experience and 5+ years overall in software
development. Experienced in building and maintaining production systems, including e-commerce
platforms and API integrations. Focused on backend development, performance optimization, and
search systems (Elasticsearch), with end-to-end ownership of features in business-critical
environments.

EXPERIENCE

Full Stack Developer — Wiatreo.pl Apr 2023 – Present
Own development and maintenance of production e-commerce platform
Designed integrations with external services (payments, shipping, product data)
Implemented Elasticsearch-based product search and filtering
Optimized database queries and application performance
Managed deployments and production environment
Supported business-critical e-commerce flows, including payments, orders, and search
Maintained product catalog and backend logic for 10,000+ items

Ruby on Rails Developer — Digital Classifieds May 2022 – Apr 2023
Developed backend features in production Rails monolith
Designed and improved API endpoints
Wrote RSpec tests and improved code reliability
Participated in code reviews and refactoring

Ruby on Rails Developer — Pokupon.ua Jul 2021 – May 2022
Contributed to backend development of large Rails application
Built APIs and data parsing processes
Improved admin panel performance and usability
Participated in Agile development processes

Full Stack Developer — Darwin Global Mar 2017 – Feb 2021
Developed CMS-based projects (WordPress, OpenCart, Magento)
Built internal tools, including a Rails-based system
Led small team workflows and mentored junior developers

SKILLS

Backend: Ruby, Ruby on Rails, RESTful API design, background jobs (Sidekiq)
Databases & Search: PostgreSQL (query optimization), Redis (caching, queues), Elasticsearch
Architecture: API integrations, performance optimization, scalable backend solutions
Frontend (supporting): JavaScript, Vue.js, Nuxt.js
Tools: Docker, Git, Nginx, Linux

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Ruby on Rails Developer

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