Full Stack Developer - REMOTE ONLY MEXICO

About Scalepex Scalepex is a nearshore partner that empowers businesses to scale efficiently and effectively through exceptional services. With a strong focus on customer success, innovation, and cultural alignment, we support companies in building high-performing teams across industries. At Scalepex, we believe in fostering an environment where our people can thrive, grow their careers, and make a real impact. About the Role We are looking for a Full Stack Developer to join a high-impact team building a Partner Marketplace platform from the ground up. This is a hands-on full-stack engineering role. You will be embedded in a small, senior team, working across backend services, frontend applications, and cloud infrastructure. You will own real features end-to-end from API contracts to UI components to deployment pipelines and you will be expected to move fast without breaking things. Requirements Key Responsibilities 🔹 Backend Development - Scaffold and develop new Node.js services: Catalog, Order, Store, Payment, and Admin BFF - Fork and adapt existing Auth, User, Notification, and Customer Support services for the marketplace context - Extract and reuse cart logic, Stripe integration, and store management patterns from existing production code - Design and implement REST APIs with clear contracts (OpenAPI), proper versioning, authentication, and error handling - Build Ordering Platform Partner API integration for user account creation, order sync, and catalog ingestion - Implement Redis caching, Kafka event handling, and async processing patterns where appropriate - Write database migrations and manage MySQL schemas across services 🔹 Frontend Development - Build the customer-facing React/Next.js web application: product browsing, cart, checkout, order confirmation, and account management - Build the admin dashboard: order management UI, product toggle controls, customer lookup, and metrics views - Implement Stripe payment flows including payment intent creation, form handling, and webhook-driven confirmation - Integrate Firebase Auth for authentication flows and Firebase Cloud Messaging for push notifications - Ensure mobile-responsive, accessible, and performant UI across all surfaces - Manage client-side state using Zustand or TanStack Query as appropriate to the data type 🔹 Infrastructure & Quality - Support CI/CD pipeline setup and maintenance using GitHub Actions and AWS services - Write unit, integration, and end-to-end tests targeting 80% code coverage on critical paths - Participate in code review, architectural discussions, and technical planning sessions - Contribute to observability setup: structured logging, alerting, and monitoring configuration - Support load testing, performance optimization, and UAT coordination in Phases 4 and 5 Must have - 3–5 years of experience as a Full Stack Developer - Strong experience with Node.js + React - Experience building REST APIs - Solid understanding of microservices architecture - Experience with SQL databases (MySQL) - Familiarity with cloud environments (AWS) - Experience with payment integrations (Stripe is a plus) Nice to Have - Marketplace or e-commerce experience - Kafka or event-driven systems - Kubernetes - Elasticsearch / OpenSearch - Terraform or Infrastructure as Code Benefits - Contractor scheme - 100% Remote Originally posted on Himalayas