---
taskmaster_id: "4.8"
status: "done"
priority: "medium"
depends_on: ["2", "3", "4", "5", "6", "7"]
parent_id: "4"
source: "taskmaster"
generated_at: "2026-05-28T11:49:27.076Z"
---

# 4.8 - Make backend-core stack decision

- [x] 4.8 - Make backend-core stack decision #taskmaster #priority/medium #status/done 🔼 🆔 tm-4-8 ⛔ tm-2 ⛔ tm-3 ⛔ tm-4 ⛔ tm-5 ⛔ tm-6 ⛔ tm-7

## Metadata

| Field | Value |
| --- | --- |
| Taskmaster ID | 4.8 |
| Status | done |
| Priority | medium |
| Dependencies | 2, 3, 4, 5, 6, 7 |
| Parent | 4 - Define backend security and refactor strategy from latest audit |

## Description

Choose whether the security-critical backend core remains TypeScript or moves to Go/Kotlin/Rust/Python.

## Details

Evaluate team capability, two-year maintainability, operational footprint, rewrite cost, dual-stack complexity, auditability, supply-chain exposure, and which modules belong in a payment/auth/escrow core versus the existing marketplace/chat API.

## Verification

Architecture decision record states chosen stack, scope of extraction, non-goals, migration phases, rollback criteria, and owners.