Sep 2022 – Jun 2025 · 2 yrs 9 mos · Moscow, Russia · Remote

• As a Ruby on Rails Developer in a dynamic startup, I contributed to developing and optimizing a web application for transport and warehouse logistics automation.
• Development
• Designed and optimized database models based on business logic, reducing manual operations by 65%.
• Developed and maintained RESTful APIs to ensure stable, predictable, and efficient access to resources.
• Integrated backend services with mobile clients, ensuring seamless data exchange.
• Implemented role-based access control using Policy Objects, enhancing security and flexibility.
• Built an optimized CSV parsing and sorting algorithm, optimizing memory usage and improving data processing speed by 4x.
• Developed data import/export (XLSX, ZIP) functionality, reducing new user registration time by 80%.
• Introduced record-locking mechanisms to prevent simultaneous edits and ensure data consistency.
• Leveraged Docker for local development, streamlining deployment and accelerating the development process.
• Best Practices & Code Quality
• Applied OOP principles, ensuring clear data encapsulation and expressive object communication.
• Wrote RSpec tests following TDD principles, achieving 60% test coverage for critical features, significantly reducing bugs in production.
• Followed SOLID, DRY, and KISS principles, improving code maintainability and speeding up feature development.
• Collaboration & Team Contribution
• Actively participated in code reviews, improving code quality and reducing debugging time.
• Provided constructive feedback, contributing to both technical and organizational improvements.
• Led discussions in team meetings, fostering a strong development culture.
• Managed tasks in Jira, ensuring timely delivery of high-priority features.