Lead Full-Stack Ruby Engineer

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Lead Full-Stack Ruby Engineer based in Brazil. As a Lead Full-Stack Ruby Engineer, you will contribute to the development of a next-generation data management and quality platform designed to streamline clinical trial data integration, standardization, and management. You will combine hands-on engineering expertise with technical leadership, helping build and maintain reliable, scalable systems using Ruby on Rails, React, and microservices architecture. Working closely with cross-functional teams and client stakeholders, you will influence architectural decisions and help solve complex engineering challenges. Your work will support improved data quality, more efficient clinical review processes, reduced operational risk, and ultimately better patient safety. This fully remote, B2B contract opportunity offers an environment where engineers are trusted to take ownership, collaborate proactively, and contribute to meaningful product and technical decisions.