# Senior Node.js Backend Engineer (APIs & Integrations)-English Required

> DaCodes · Argentina (Remote) · — · Posted 2026-05-18

**Workplace:** remote

**Department:** Equipos Dedicados

## Description

### **About DaCodes**

At DaCodes, we build high-impact software solutions for startups and global companies across LATAM and the U.S. We work with senior teams who value ownership, technical excellence, and high-quality engineering standards.

### **Role Overview**

We are looking for a **Senior Backend Engineer** with a strong focus on integrations, capable of designing, implementing, and maintaining robust, scalable, and secure backend systems, primarily using Node.js, APIs, and event-driven architectures.

This is not a low-code configuration role. It requires deep understanding of backend engineering, protocols, concurrency, and security.

### **Why this role is interesting**

-   Work on **complex backend systems and real-world integrations** (SaaS, APIs, ERPs)
-   Solve challenges around **scalability, reliability, and distributed systems**
-   Collaborate with a **highly senior team** with strong technical ownership
-   Work directly with **U.S.-based clients and products with real impact**

**What You’ll Do**

-   Design and build **scalable backend services using Node.js**
-   Develop and maintain **robust, secure APIs**
-   Work on **integrations between SaaS platforms, ERPs, 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**
-   Participate in **technical decisions and architecture discussions**

## Requirements

-   4+ years developing backend systems in production, with experience in integrations and distributed architectures.
-   Strong experience with **Node.js in production environments**
-   Experience building and working with **APIs**
-   Familiarity with **authentication and authorization mechanisms** (OAuth2, JWT or similar)
-   Experience integrating with external systems or third-party services
-   Solid understanding of **backend fundamentals (performance, scalability, reliability)**
-   Advanced English (you’ll work with U.S. clients)

### **Nice to Have (Not Required)**

-   Experience with **event-driven architectures or webhooks**
-   Experience with **iPaaS tools** (Mulesoft, Workato, Boomi, etc.)
-   Experience integrating with **ERPs** (NetSuite, SAP, Business Central)
-   Experience with **high-concurrency systems**
-   Familiarity with CI/CD practices

### **How we work**

-   Remote-first culture
-   High ownership and autonomy
-   Focus on clean, maintainable, production-grade code
-   Collaborative, senior-level environment

## 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**.

## Apply

[Apply at DaCodes](https://apply.workable.com/dacodes-mx/j/1186C82262/apply)

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