Full-Stack Principal / Senior Ruby on Rails Developer

About UsVireoHealth is a US-based publicly-listed (CSE:VREO) company with 400M+ in annual revenues and is a leader in the pharmaceutical and plant medicine delivery space. We are scaling our delivery and e-commerce analytics platform Arches. We are growing fast in Vietnam. Despite our size, we have a startup culture (small team) and a product-oriented culture in Vietnam. Our goal is to establish ourselves as the top 1-2 company in each state we operate in and we see delivery, analytics and an AI-first organization as critical to this mission. This role is based in Saigon working as a part of our US e-commerce analytics team. The OpportunityWe are seeking a highly skilled Principal / Senior engineer with extensive experience in Ruby on Rails and a strong background in e-commerce and logistics technology. The ideal candidate has 8+ years of experience in Rails development (minimum 5+ years considered) and can help architect robust backend solutions, seamlessly integrating with our digital platform. Your proficiency in frontend development will shine as you craft engaging and responsive user interfaces, ensuring an exceptional user experience across devices. Key ResponsibilitiesDevelopment & Maintenance: Design, develop, test and refactor product features using Ruby on Rails. Propose and implement tasks and improvement ideas. Write clean, maintainable, and well-tested code following Ruby best practices and current project quality.Performance & Reliability: Establish and enforce best practices for implementation, maintenance and monitoring. Identify bottlenecks, keep code quality, coverage and follow established convention and qualification.Improvement & Continuous Learning: Continuously learn about technical trends and industry best practices and apply them to the product. Measurement of effects for quality improvement and implementations.Mentorship & Collaboration: Provide technical leadership and mentorship to mid-level engineers, foster a culture of code quality, and collaborate across cross-functional teams to drive continuous improvement.