Job Title: Senior Full Stack Engineer Location: Remote in Latin America Job Type: Full-Time About the Role We are seeking a highly skilled Senior Full Stack Engineer to join our US Client, a fast-growing startup that powers subscription programs for leading CPG brands. In this role, you will help design and build the next generation of subscription management tools, from elegant Shopify UI components to robust backend services. You will collaborate with cross-functional teams to create scalable, user-friendly solutions that drive customer retention and growth. This is a high-impact role with exposure to both frontend and backend systems, perfect for someone who thrives in dynamic startup environments and wants to make a tangible impact on product direction and user experience. Key Responsibilities Develop intuitive, scalable, and high-quality React and TypeScript UIs for subscription management. Create reusable React components and collaborate with design to shape design systems. Define API schemas and work with REST API s to connect frontend and backend services. Help evolve the backend architecture and services (Nest.js, Kubernetes). Contribute to new feature design with thoughtfu l architecture and framework input . Work closely with peers across engineering, design, and product to deliver consistent, pixel-perfect user experiences. Troubleshoot, optimize, and support reliable cloud-based services. Qualifications 5+ years of experience building full-stack applications. Proven expertise with React, TypeScript, and state management for modern UIs. Strong experience designing and consuming REST APIs . Background in backend development , ideally with Nest.js and cloud-based environments. Experience working closely with designers to implement clean and consistent UI/UX. Excellent problem-solving and communication skills. Adaptability and initiative to thrive in a fast-paced startup environment . Passion for creating delightful user experiences and continuous learning. Nice to Have Experience in eCommerce or subscription management platforms . Familiarity with Shopify APIs and ecosystem . Benefits Competitive Salary: Earn a competitive salary that matches your skills and experience. Paid Time Off: Generous time off to support work-life balance. Health Insurance: Subsidized private health insurance coverage. Annual Salary Reviews: Regular performance-based salary evaluations. Training: Paid training and certification opportunities.