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LLM Infrastructure & Backend Engineer (4518)

HIRECLOUT
Sunnyvale, CA Full Time
POSTED ON 12/27/2025 CLOSED ON 2/3/2026

What are the responsibilities and job description for the LLM Infrastructure & Backend Engineer (4518) position at HIRECLOUT?

Job Title: LLM Infrastructure & Backend Engineer

Role Overview

Join a mission-driven AI company focused on building secure, scalable platforms for enterprise-grade machine learning products. Backed by one of the world’s most powerful large language models, this organization is transforming conversational AI into real-world business applications. You’ll be part of a collaborative, fast-paced environment that values kindness, innovation, and impact.

This role is ideal for backend engineers who are passionate about ML systems and excited to shape the technical foundation of a cutting-edge enterprise AI product.

Key Responsibilities

  • Design and build backend services to support LLM integration, inference orchestration, and data flow.
  • Develop clean, production-grade Python code for experimentation, model serving, and system integration.
  • Partner closely with ML researchers to rapidly prototype and deploy new product features.
  • Build infrastructure capable of handling scalable inference workloads and complex enterprise use cases.
  • Take ownership of backend components—ensuring reliability, observability, and maintainability.

Education & Qualifications

  • Proficient in backend development using Python, TypeScript, or Node.js.
  • Experienced in building and deploying production PyTorch models, including inference pipelines and checkpoint handling.
  • Strong foundation in developing scalable, secure APIs and backend services.
  • Familiar with FastAPI, Postgres, Redis, Kubernetes, and React.
  • Comfortable working in a high-velocity startup environment with evolving goals and systems.

Preferred Experience

  • Experience bridging ML systems and backend engineering at the infrastructure level.
  • Hands-on work in real-time inference orchestration or ML platform tooling.
  • Familiarity with startup or early-stage product development environments.

Why Us

  • Impact: Directly influence the next generation of ML-powered enterprise applications.
  • Team: Join a kind, experienced, and collaborative team of engineers and researchers.
  • Innovation: Help shape infrastructure for one of the most advanced LLMs in the world.
  • Career Growth: Opportunity to take on leadership roles as the company scales.

Benefits

  • Competitive salary ($200k-350k depending on experience).
  • Diverse medical, dental and vision options
  • 401k matching program
  • Unlimited paid time off
  • Parental leave and flexibility for all parents and caregivers
  • Support of country-specific visa needs for international employees living in the Bay Area

Applicants must be currently authorized to work in the United States on a full-time basis now and in the future. This position does not offer sponsorship.

Salary : $200,000 - $350,000

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