Full Stack Engineer
Posted 22 Jul 2026
Advertised as “Full Stack Engineer (TypeScript/Node.js) - REMOTE - ONLY MEXICO”
BranchFactor Summary
The original posting with the fluff stripped out
- Expected experience
- 5+ yrs
- Management level
- Individual contributor
- Employment
- Remote
- Contract
- Full-time
No salary listed for this role.
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
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5+ years of Full Stack or Backend software development experience.
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Expert knowledge of TypeScript and JavaScript.
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Strong experience with Node.js.
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Experience with Next.js (App Router).
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Advanced PostgreSQL knowledge:
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Schema design
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Raw SQL
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Query optimization
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Database migrations
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Experience using Prisma ORM (or similar ORM).
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Experience building scalable SaaS applications.