Calix

Principal Engineer - Calix Cloud

Calix
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24 hours ago
San Jose, CA, USAStaff+
H1B sponsor

Base Salary

$183k - $311k/yr

Responsibilities

  • Design and build AI agents capable of perception, reasoning, and autonomous action.
  • Integrate AI agents with external systems using REST APIs, microservices, and cloud platforms.
  • Optimize multi-agent environments for performance, scalability, and security.
  • Collaborate with product managers and data scientists to align agent capabilities with business needs.
  • Explore generative AI, LLM orchestration, and multi-agent frameworks.
  • Build and optimize language models using LoRA and QLoRA techniques.

Requirements

  • 10+ years of software development experience with exposure to AI/ML projects.
  • Bachelor’s or Master’s degree in Computer Science, AI/ML, or a related field.
  • Hands-on experience developing AI agents with Google ADK, LangChain, CrewAI, AutoGen, or similar frameworks.
  • Strong programming skills in Go, Rust, or Python; PL/SQL or Java experience is a plus.
  • Familiarity with LLM integration, prompt engineering, and multi-agent workflow orchestration.
  • Knowledge of vector databases, embeddings, and retrieval-augmented generation.
  • Understanding of generative AI, NLP, and reinforcement learning concepts.
  • Experience with LLM inference optimization.
  • Preferred experience building enterprise AI agents, managing agent lifecycles and AI profiles, and developing multi-agent collaboration or autonomous decision-making systems.

Benefits

  • Competitive benefits and vacation package.
  • Collaborative culture with continuous learning and growth.
  • Position based in San Jose, California.
  • Base pay varies by location: $182,900-$310,500 annually in the San Francisco Bay Area and $159,000-$270,000 annually in other US locations.
  • Role may be eligible for a bonus.
Calix

About Calix

1,001-5,000 employees

Calix is an AI platform company that enables service providers to transform their operations and accelerate delivery of differentiated experiences—so they can compete and win in the markets and communities they serve. Through the AI-native Calix One platform, service providers can securely and privately activate agentic-AI alongside their human teams to acquire new subscribers, grow existing subscriber revenue, and build loyalty across residential, business, municipal, and MDU markets. More than 1,200 customers of all sizes leverage the Calix One platform, which has evolved over 15 years at an investment of more than $2 billion. Calix innovation cycles are underpinned by a strong financial balance sheet and a people‑first culture that routinely earns broad industry recognition—winning 81 culture and innovation awards since 2025 alone, as well as Fortune’s 100 Best Companies to Work For® in 2026.

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