CareerPlan

Founding Backend Engineer

San FranciscoFull-time$200k–$300k2026-11-07 → 2026-11-09
On-siteNo visa sponsorship

Core

Design, operate, and improve reliable backend infrastructure for an AI-powered personal assistant handling text, email, and phone communications.

Role type

Founding Backend Engineer

Builds

Messaging pipelines, agent runtime, scheduling systems, and observability for an AI personal assistant

Domain

AI / Telephony / Distributed Systems

Deliverable

production ML models

Required skills

distributed systems, Postgres, TypeScript/Python, messaging systems, observability, capacity planning, infrastructure as code

Preferred skills

AI-assisted development workflows, technical leadership, founding-team mindset

Technologies

Postgres, TypeScript, Python, cloud infrastructure

Responsibilities

Design and operate messaging pipelines with ordering and retries; Build an agent runtime for background tasks; Implement scheduling for deferred actions; Plan capacity and optimize databases; Own data security and privacy workflows; Build observability and tracing; Set engineering standards and grow the team