Full Stack Engineer (React Native)

About Sierra StudioWhen you apply to Sierra, you join an ecosystem.

We specialize in connecting talented Brazilian professionals with exciting career opportunities in a highly-vetted small community of growing companies in the US.

Applying to Sierra seamlessly integrates you into this ecosystem, granting automatic eligibility for all relevant opportunities we offer.Position OverviewOur hiring partner is seeking a skilled and innovative Full Stack Developer to help them build, maintain, and optimize scalable applications.

You\'ll work primarily with React Native for the frontend and AWS / GCP for the backend, integrating Supabase for user authentication and management.

Additionally, familiarity with Expo—a framework on top of React Native for adding native features to apps — and EAS (Expo Application Services) for deploying code to app stores is essential.

You should be comfortable working across the full stack, with a strong focus on frontend and backend development, while ensuring performance, scalability, and security of applications.Key ResponsibilitiesFrontend Development : Build responsive, user-friendly mobile applications using React Native and Expo, with a focus on performance, responsiveness, and design.Backend Development : Develop and maintain robust backend services using AWS or GCP to handle cloud infrastructure, data storage, and application logic.Supabase Integration : Implement and integrate Supabase for user authentication, database management, and real-time data syncing.API Development : Design, implement, and maintain RESTful APIs to enable communication between the frontend and backend.Expo & EAS : Use Expo to add native features to mobile apps, and leverage EAS (Expo Application Services) for deploying code to the app store.Collaboration : Work closely with UX / UI designers, product managers, and other developers to create innovative and functional solutions.Optimization & Performance : Ensure high performance, scalability, and security for all applications.

Troubleshoot and debug any issues that arise during development or in production.Cloud Infrastructure : Manage cloud resources and services, ensuring cost efficiency, reliability, and scalability using AWS or GCP.Code Quality : Write clean, maintainable, and efficient code, while adhering to industry best practices and coding standards.Required Skills & ExperienceFrontend : Proven experience with React Native and Expo for building cross-platform mobile applications.Backend : Expertise in AWS and / or GCP, including cloud infrastructure, serverless architectures, and database management.Authentication : Experience with Supabase for user authentication, management, and real-time data features.Languages : Strong proficiency in JavaScript, with experience in modern ES6+ features.Databases : Familiarity with SQL (PostgreSQL preferred) and NoSQL databases.APIs : Experience with building, consuming, and maintaining RESTful APIs.Expo & EAS : Familiarity with Expo framework for adding native features to apps and EAS (Expo Application Services) for deploying code to the app store.Version Control : Proficient with Git for version control and collaboration.Problem-Solving : Strong analytical and debugging skills with the ability to tackle complex technical challenges.Nice to HaveFamiliarity with modern cloud-based authentication methods.Knowledge of CI / CD pipelines and automated deployment processes.Familiarity with containerization tools like Docker.Interest in fashion, style, social media, and content creation.Experience leveraging AI tools like Cursor to expedite development.What Our Hiring Partner Offers60-90 K USD annuallyOpportunity to work with cutting-edge technologies in a fast-paced environment.A collaborative and supportive team of professionals.Flexible work hours and remote work opportunities.Opportunities for growth and professional development.

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