1161 - Senior Full-Stack Software Engineer

📋 Description

• A TypeScript monorepo: a Next.js 16 web app and API, an Expo mobile app, and a Cloudflare Worker.
• A PostgreSQL + Prisma data model with dozens of models and a long migration history, shared across
• Background systems: webhook handlers (Plaid, Stripe, Linq), queued inbound-message batching, and
• Security-sensitive paths: encrypted bank tokens and chat content, per-user data scoping, auth
• The AI layer: LLM tool-calling over users' financial data, long-term memory, and proactive insights.
• Reviewing AI-generated code, including your own, with a skeptical eye.

🎯 Requirements

• 6+ years as a software engineer, 3+ years shipping production TypeScript/Node backends.
• Shipped work at a company that moved money or handled bank or card data (Plaid, Stripe Treasury
• Deep PostgreSQL: migrations safe to run on live data, indexes, transactions, query plans.
• Real experience with async systems: idempotency, retries, deduplicating webhooks, jobs that fail
• A security-first instinct around PII, encryption at rest, auth tokens and least privilege.
• Solo ownership of production at least once: on-call, reading error tracking, writing root-cause