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

Remote 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.

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