# Full Stack Engineer (TypeScript/Node.js) - REMOTE - ONLY MEXICO

> Scalepex · Mexico (Remote) · Full-time · Posted 2026-07-22

**Workplace:** remote

## Description

### **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.

### **Job Summary**

We are looking for a **Senior Full Stack Engineer** to join a fast-growing B2B SaaS startup building a modern multi-tenant platform that automates financial and operational workflows.

This is a highly autonomous role where you'll own core platform development, backend architecture, database design, integrations, and platform scalability. You'll work in an AI-native engineering environment, leveraging modern AI coding tools to deliver high-quality software quickly.

## Requirements

### Responsibilities

-   Design, develop, and maintain scalable backend services using Node.js and TypeScript.
-   Own PostgreSQL database architecture, schema design, migrations, and performance optimization.
-   Build and maintain REST APIs, OAuth integrations, and third-party platform connections.
-   Develop and improve multi-tenant SaaS infrastructure.
-   Create reliable background jobs, schedulers, and asynchronous workflows.
-   Write automated unit and end-to-end tests.
-   Audit existing systems and propose scalable technical solutions.
-   Improve application reliability, performance, and security.
-   Collaborate with the team during US business hours.
-   Leverage AI-assisted development tools to increase development speed while maintaining high quality.

### Must Have

-   5+ years of Full Stack or Backend software development experience.
-   Expert knowledge of TypeScript and JavaScript.
-   Strong experience with Node.js.
-   Experience with Next.js (App Router).
-   Advanced PostgreSQL knowledge:

-   Schema design
-   Raw SQL
-   Query optimization
-   Database migrations

-   Experience using Prisma ORM (or similar ORM).
-   Experience building scalable SaaS applications.
-   Multi-tenant architecture experience.
-   Experience building REST APIs.
-   OAuth 2.0 and Webhooks.
-   Playwright or Puppeteer.
-   Background job schedulers (Cron, BullMQ, pg-boss or similar).
-   Automated testing experience.
-   Git and Pull Request workflows.
-   Excellent written English.
-   Availability during US business hours.

### Nice to Have

-   Experience working with financial systems.
-   React 19.
-   Python.
-   Linux, Nginx, PM2.
-   CI/CD pipelines.
-   PgBouncer.
-   Experience with Model Context Protocol (MCP).
-   Experience with Cursor, Claude Code, Copilot, or similar AI development tools.

## Benefits

-   Contractor scheme
-   100% Remote

## Apply

[Apply at Scalepex](https://apply.workable.com/scalepex/j/1820CE52BA/apply)

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