Backend Engineer — Real-Time AI Orchestration

Hark; San Jose (CA); On-site; USD 170,000 - 400,000; Full time

Job summary

Hark, based in San Jose, California, seeks a skilled backend developer to build robust systems for AI agents. This role demands over 5 years of experience, a mastery of backend development, and the ability to successfully deploy high-concurrency services.

The ideal candidate will collaborate closely with researchers and engineers, focusing on system reliability, low-latency performance, and full-cycle ownership of features. Competitive salary offered between $170,000 and $400,000 based on experience.

Qualifications

• 5+ years of experience building mission-critical backend systems.
• Proven track record of shipping APIs and infrastructure that handle real-world traffic.
• Experience integrating LLMs into backend pipelines.

Responsibilities

• Design and build high-concurrency backend services for agent orchestration.
• Develop robust failure-handling and state management for workflows.
• Architect foundational APIs and services for the Hark ecosystem.
• Optimize the stack for low-latency streaming and processing.
• Lead features from design to production deployment.
• Implement automated evaluation frameworks for system health.

Skills

Backend & Systems Mastery

Production at Scale

AI System Intuition

Language Proficiency

Infrastructure Mindset

Technical Communication

Tools

Go

Rust

C++

Java

gRPC

WebSockets

Kubernetes

Job description

Hark, based in San Jose, California, seeks a skilled backend developer to build robust systems for AI agents. This role demands over 5 years of experience, a mastery of backend development, and the ability to successfully deploy high-concurrency services.

The ideal candidate will collaborate closely with researchers and engineers, focusing on system reliability, low-latency performance, and full-cycle ownership of features. Competitive salary offered between $170,000 and $400,000 based on experience.