CareerPlan

Senior Software Engineer, AI Platform

Remote U.S.RemoteFull-time2026-11-03 → 2026-11-10
Remote

Core

Build shared SDKs, APIs, and infrastructure for AI features and agentic workflows, including durable execution, model integrations, and evaluation tools.

Role type

Senior IC software engineer (AI platform)

Builds

SDKs, APIs, agent runtime infrastructure, and evaluation/debugging tools for AI products

Domain

AI/ML infrastructure and agentic workflows

Deliverable

production ML models

Required skills

backend services and API development, LLM-powered product implementation, durable execution and workflow orchestration, agent harness design, practical evaluation and debugging, product judgment

Preferred skills

experience with tool design and context management, fluency in using AI for day-to-day work

Technologies

LLMs, agent frameworks, durable execution platforms

Responsibilities

Build shared SDKs and APIs for AI features; Integrate durable execution infrastructure for long-running agent workflows; Evolve the agent harness for tool calling and orchestration; Develop evaluation and debugging tools; Improve model integrations and context delivery; Own platform capabilities through rollout and operation; Partner with product teams to drive adoption of reusable capabilities

Seniority

Senior, hands-on IC