Senior Node.js Backend Engineer – APIs & Integrations

Role Overview

• Design and build scalable backend services using Node.js + NestJS
• Develop and maintain robust, secure REST APIs and internal services
• Work on integrations between SaaS platforms, payment/notification services, and internal systems
• Implement event-driven flows (webhooks, retries, idempotency)
• Contribute to authentication and authorization flows (OAuth2, JWT, API keys)
• Identify and solve performance, concurrency, and scalability challenges
• Improve observability, logging, and error handling in production
• Own technical decisions and contribute to architecture discussions

Requirements

• 4+ years developing backend systems in production environments
• Strong hands-on experience with Node.js + NestJS in production
• Experience building and consuming APIs (REST, webhooks, third-party integrations)
• Experience integrating with external SaaS platforms or services (payment, notifications, data pipelines, or similar)
• Solid understanding of authentication and authorization (OAuth2, JWT or similar)
• Strong grasp of backend fundamentals: performance, scalability, reliability, error handling
• Advanced English — you will work directly with U.S.-based teams and clients on a daily basis

Nice to Have

• Experience with iPaaS tools (Workato, Mulesoft, Boomi, or similar)
• Experience integrating with ERPs (NetSuite, SAP, Business Central)
• Experience with high-concurrency or high-throughput systems
• Familiarity with cloud platforms (AWS, GCP, or Azure)
• CI/CD practices and DevOps awareness

Tech Stack

• AWS
• Azure
• Cloud
• Google Cloud Platform
• JavaScript
• Node.js

Benefits

🚀 Work with global brands and disruptive startups.** 🏡 Remote work / Home office.** 📍 If a hybrid or on-site model is required, you will be informed from the first session.** ⏳ Work schedule aligned with the assigned project/team.** 📅 Monday to Friday schedule.** ⚖️ Legal benefits (Applicable for Mexico).** 🎉 Day off on your birthday.** 🏥 Private health insurance (Applicable for Mexico).** 🛡️ Life insurance (Applicable for Mexico).** 🌎 Multicultural teams.** 🎓 Access to courses and certifications.** 📢 Meetups with industry experts and top universities.** 📡 Virtual networking events and interest groups.** 📢 English classes.** 🏆 Opportunities within our different business lines.** 🏅 Proudly certified as a Great Place to Work.