Full Stack Engineer

Masaj Co. · lahore, punjab, Pakistan

Location
lahore
Job Type
Full-time
Posted
June 26, 2026

Job Description

Own the data plane for an offline-first mobile app: schema, security, sync, and the Edge Functions between the client and downstream services. Correctness and data integrity are the bar — a single lost write is a failure.

What you'll build

  • Core Postgres schema + RLS on every user-scoped table. Append-only, event-sourced spine with correlation/version stamping on every event.
  • Edge Functions (Deno/TypeScript): auth webhook, CRUD functions, a resolver service against external data sources, third-party webhook handlers.
  • The sync engine and its conflict-resolution contract — last-write-wins with client_id dedup, merge strategies for structured records. You own the rules; the client implements against them.
  • Storage access policies for user files; encrypted third-party tokens.
  • Migration discipline, RLS-validated CI, backups/PITR.
  • Production Postgres at depth — schema design,...

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