CareerPlanSign in

Senior Software Engineer (Backend)

Seattle, WA💼 Full-time🗓 2026-09-20 → 2026-09-25

Core

Building and scaling backend systems for an AI scheduling assistant that coordinates calendars, emails, and external APIs for founders and executives.

Role type

Senior Backend Software Engineer (AI/LLM integrations)

Builds

Scalable backend services, API integrations, and internal trainer tooling for human-in-the-loop workflows

Domain

Applied AI / Scheduling Automation

Deliverable

production ML models | product features

Required skills

TypeScript (strict mode), distributed systems design, concurrency management, async job processing, database design, API development, LLM integration

Preferred skills

Startup experience, AI/LLM project experience

Technologies

TypeScript, LLMs

Responsibilities

Design and scale backend services for scheduling and API orchestration; Build interfaces between backend systems, LLMs, and clients; Develop internal trainer and operations tooling; Contribute to architecture decisions

Seniority

Senior, hands-on IC

Sourced via dover · Listed on CareerPlan, which tracks 70,000+ jobs from 20+ sources.