Lead Full-Stack Developer (NextJS/Expo) – Remote, South America, Full-Time

Requirements • Location: Based in South America, fluent in English (written and spoken). • Availability: Full-time (40 hrs/week), remote, long-term commitment. • Experience: 5+ years building full-stack applications with React/NextJS, Node.js, and TypeScript. • Mobile Development: Hands-on experience with Expo / React Native, delivering production-grade mobile apps. • Web Development: 5+ years managing production web apps. Proven track record in responsive, performant, and scalable web app development, including REST APIs and database design. • Leadership: Proven ability to lead a development team, mentor other engineers, and guide architecture decisions. • Client Communication: Comfortable leading client calls, gathering requirements, and providing technical direction with confidence and clarity. • Proactivity: Demonstrated track record of taking initiative, solving problems independently, and owning outcomes. • Organizational Skills: Strong project planning and task management skills; avoids last-minute chaos by thinking ahead. • Collaboration: Experience working in cross-functional, remote teams, using tools like GitHub, Jira, Slack, and Loom. • Tech Stack: Familiar with or willing to adopt our T3 Turbo approach (NextJS, tRPC, Drizzle, TailwindCSS, Expo, TypeScript). Responsibilities • Lead full-stack development of web and mobile applications using NextJS, Expo, and related technologies. • Architect scalable solutions, ensuring maintainable, high-quality code. • Collaborate directly with clients, helping shape product direction and making key technical recommendations. • Own delivery timelines, ensuring tasks are clearly defined, tracked, and met without chaos or surprises. • Mentor and guide other developers, fostering a culture of excellence, organization, and proactivity. • Communicate updates frequently, over-communicating progress, risks, and next steps to both clients and the team. • Drive company success, caring deeply about the outcomes for Mountain Dev and our clients’ businesses, not just code shipped. Apply tot his job