Software Engineer, Agentic Infrastructure

Handshake•San Francisco, CA

1d•Remote

About The Position

Handshake is building the infrastructure layer that powers the next generation of AI agents across our platform. As a Senior Software Engineer on our Agentic Infrastructure team, you'll be at forefront of AI at Handshake, will architect & build the foundational systems that allow AI agents to plan, execute, & operate autonomously at scale. This is a rare greenfield opportunity to define how an AI-first company builds for the agentic era — at the intersection of infrastructure, AI, & direct product impact.

Requirements

2-4 years of backend engineering experience, with strong proficiency in NodeJS, Typescript, &/or Python
Experience designing & operating distributed systems at significant scale for developer experience
Hands-on experience building with LLM orchestration frameworks (LangChain, LlamaIndex, or similar)
Deep understanding of agent architectures: tool use, multi-step reasoning, memory management, & evaluation
Experience with cloud infrastructure (AWS, GCP, or Azure) & infrastructure-as-code tools like Terraform
Experience with Node, JavaScript, CICD, Docker
A track record of shipping production systems with high reliability, low latency, & strong observability
Strong communication skills & ability to drive alignment across engineering & cross-functional partners

Nice To Haves

Open-source contributions to LLM or agent frameworks
Prior experience at an AI-native company or on a dedicated AI platform team

Responsibilities

Architect & build the core agent orchestration layer — including tool use, memory, & multi-step reasoning systems — that powers AI-driven features for 20M+ users & 1M+ employers across Handshake's platform
Design evaluation, observability, & reliability frameworks that ensure agent behavior is safe, auditable, & production-ready at scale
Establish engineering standards for agentic development across Handshake's platform teams, enabling every engineer to build with AI
Partner with ML, product, & platform engineers to ship agent-powered features from infrastructure to production at Olympic pace