This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Tech Lead - Fullstack based in Brazil. This role offers the opportunity to lead the technical evolution of a high-impact digital health platform serving thousands of users across multiple locations.You will guide a senior engineering team while remaining hands-on, contributing directly to architecture decisions, software development, and system improvements.The position combines technical leadership, software craftsmanship, and business impact within an environment that values autonomy and innovation.You will work across a modern technology ecosystem involving Ruby on Rails, TypeScript, mobile integrations, and cloud-based solutions.The ideal candidate is a proactive technical leader who thrives on ownership, complex problem-solving, and building scalable solutions.This is an opportunity to influence engineering practices, mentor developers, and shape products that improve access to healthcare services.