Senior Full-Stack Engineer (backend-heavy)

Collabify | Senior Full-Stack Engineer (backend-heavy) | REMOTE (worldwide) | Contract, 4–5 months | $3,000–4,000&#x2F;month<p>I&#x27;m looking to hire our first engineer to own architecture and build product first version.<p>Stack: TypeScript, React&#x2F;Next.js, Node.js and PostgreSQL.<p>The core challenges: tenant isolation on a shared Postgres schema with row level security, multiple authentication flows, subdomain-based client portals and large video uploads.<p>You should have personally shipped and maintained a production multi-tenant SaaS product, have strong PostgreSQL and data-modelling experience, and be able to explain your architectural decisions and trade-offs.<p>Terms: a paid 4–5-month contract, 20-30+ hours&#x2F;week, at $3,000–4,000&#x2F;month, paid against agreed milestones. At least three hours of daily overlaps. For the right person, there’s potential to continue in a founding role with equity<p>Process: a short application, a live walkthrough of something you&#x27;ve built, then a paid 2-3hr tenant-isolation exercise and a 30-minute discussion.<p>Apply here:<a href="https:&#x2F;&#x2F;forms.gle&#x2F;yJAabKvLKtJmfz21A" target="_blank" rel="nofollow noopener">https:&#x2F;&#x2F;forms.gle&#x2F;yJAabKvLKtJmfz21A</a><p>Public source code isn&#x27;t required. Please don&#x27;t share confidential employer or client material.

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