Full Stack Developer (Remote Brazil)

**Job Description** ****Full Stack Developer \- API Focused**** MuscleWiki is building the world’s largest exercise database, supported by powerful fitness tools that help people train smarter. We’re looking for a ****full stack engineer**** to join our small but growing team. This role is ideal for someone who enjoys both frontend work and backend/API development, and who wants to collaborate closely with our existing engineers on day\-to\-day projects while also driving forward our new API initiative. **What We Are Building** We are building an API for our content and exercise library for B2B and B2C users of our content. **Key Responsibilities** * Lead the buildout of our API product. Starting with RapidAPI and later building our own in\-house solution. * Collaborate with our technical lead to design, plan, and deliver core product features. * Maintain and improve our frontend stack by modernizing code and replacing legacy technologies. * Contribute to technical discussions, architecture decisions, and product planning. * Write clean, maintainable, and well\-documented code. ****Our Frontend Tech Stack**** * Next.js * TypeScript * Tailwind * SVG (Bodymaps) * Python (Django backend) **What We’re Looking For** * API design and implementation * Strong experience with frontend technologies and an eye for clean, functional design. * Hands\-on experience building APIs (RapidAPI experience a plus). * Ability to work collaboratively in a remote, distributed team. * Experience across the software development lifecycle: design, development, and implementation.