Remote Senior Full-Stack Engineer: SaaS Architect (Contract)

Collabify; United States; Remote; USD 33,000 - 45,000; Full time

Job summary

Collabify is seeking a Senior Full-Stack Engineer (backend-heavy) for a 4-5 month contract. This remote role involves owning the architecture and delivering the first product version for a multi-tenant SaaS product.

You will work on PostgreSQL data modeling, tenant isolation, and multiple authentication flows, with a stack including TypeScript, React/Next.js, Node.js, and PostgreSQL. 20-30+ hours/week with equity potential for the right person.

Qualifications

• Experience designing and shipping production multi-tenant SaaS architectures.
• Ability to model data and explain architectural trade-offs.
• Strong PostgreSQL experience and performance considerations.

Responsibilities

• Own architecture and lead the first product version.
• Implement tenant isolation on a shared Postgres schema with row-level security.
• Design authentication flows and subdomain-based client portals.
• Support large video uploads and ensure scalable backend.

Skills

Architecture design

PostgreSQL data modelling

Multi-tenant SaaS

System trade-offs

Tools

TypeScript

React/Next.js

Node.js

PostgreSQL

Job description

Collabify is seeking a Senior Full-Stack Engineer (backend-heavy) for a 4-5 month contract. This remote role involves owning the architecture and delivering the first product version for a multi-tenant SaaS product.

You will work on PostgreSQL data modeling, tenant isolation, and multiple authentication flows, with a stack including TypeScript, React/Next.js, Node.js, and PostgreSQL. 20-30+ hours/week with equity potential for the right person.