Full Stack Engineer (TypeScript/Node.js) - REMOTE - ONLY MEXICO
Core
Senior Full Stack Engineer owning core platform development, backend architecture, database design, and integrations for a B2B SaaS startup automating financial and operational workflows.
Role type
Senior hands-on IC Full Stack Engineer
Builds
Multi-tenant SaaS platform with automated financial and operational workflows
Domain
B2B SaaS / Financial Operations
Deliverable
production ML models | product features
Required skills
TypeScript, Node.js, PostgreSQL, Next.js (App Router), REST APIs, OAuth 2.0, Webhooks, Background job schedulers, Automated testing, Git workflows
Preferred skills
Financial systems experience, React 19, Python, Linux/Nginx/PM2, CI/CD pipelines, PgBouncer, Model Context Protocol (MCP), AI development tools (Cursor, Claude Code, Copilot)
Technologies
Node.js, TypeScript, PostgreSQL, Next.js, Prisma, Playwright, Puppeteer, BullMQ, pg-boss, React, Python, Linux, Nginx, PM2, PgBouncer
Responsibilities
Design and maintain scalable backend services; Own PostgreSQL database architecture and optimization; Build REST APIs and third-party integrations; Develop multi-tenant SaaS infrastructure; Create background jobs and schedulers; Write automated tests; Audit systems and propose scalable solutions; Improve reliability and security; Collaborate during US business hours; Leverage AI-assisted development tools.