Senior Backend Engineer (AI)

TL;DR

Senior Backend Engineer (AI): Building and optimizing purpose-built infrastructure for running AI agents with an accent on distributed queue and worker systems, data infrastructure, and fault-tolerant orchestration. Focus on designing horizontally scalable solutions, ensuring atomic job claiming, and shipping resumable streaming infrastructure.

Location: Onsite in San Francisco, CA or New York, NY

Salary: $175,000–$225,000 USD annual

Company

hirify.global is a product company providing an agent engineering platform and open-source frameworks for developers to build and deploy reliable AI agents.

What you will do

• Design distributed queue and worker systems for concurrent agent execution and multi-agent coordination.
• Own core data infrastructure, including state persistence, atomic job claiming, and schema evolution.
• Collaborate on architectural decisions to ensure scalable and robust solutions.
• Ship resumable streaming infrastructure allowing clients to disconnect and reconnect without losing state.
• Instrument and monitor production systems with tracing, metrics, and alerting.
• Participate in on-call rotations and manage incident response for the runtime.
• Contribute to and extend the open-source LangGraph framework.

Requirements

• 4+ years of professional backend engineering experience.
• Strong proficiency in Go and/or Python.
• Experience with distributed systems (consensus mechanisms, queueing, state machines, and/or workflow orchestration).
• Experience with scaling and sharding databases in high throughput environments.
• Familiarity with Kubernetes, infrastructure-as-code, and at least one major cloud platform.
• Strong communication skills and ability to work cross-functionally on a small team.

Culture & Benefits

• Competitive compensation that includes base salary, meaningful equity, and benefits.
• Health and dental coverage.
• Flexible vacation.
• 401(k) plan.
• Life insurance.
• Locally competitive benefits provided for team members in the EU and UK.