Senior Full-Stack Engineer (backend-heavy) at Collabify
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About this role
Collabify | Senior Full-Stack Engineer (backend-heavy) | REMOTE (worldwide) | Contract, 4–5 months | $3,000–4,000/month
I'm looking to hire our first engineer to own architecture and build product first version.
Stack: TypeScript, React/Next.js, Node.js and PostgreSQL.
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.
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.
Terms: a paid 4–5-month contract, 20-30+ hours/week, at $3,000–4,000/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
Process: a short application, a live walkthrough of something you've built, then a paid 2-3hr tenant-isolation exercise and a 30-minute discussion.
Apply here:https://forms.gle/yJAabKvLKtJmfz21A
Public source code isn't required. Please don't share confidential employer or client material.