Meta

Principal Software Engineer, Systems

Meta
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1 day ago
Remote, United StatesStaff+
H1B sponsor

Base Salary

$271k - $347k/yr

Responsibilities

  • Define the technical vision and architecture for agentic reliability systems across Meta.
  • Design, code, and ship production AI agents for complex infrastructure and incident-response problems.
  • Advance an AI agent toward accurate, trusted, safely supervised autonomous investigation and mitigation.
  • Improve agent reasoning, context, tool use, planning, evaluation, learning, and safe execution.
  • Apply techniques including fine-tuning, reinforcement learning, model routing, distillation, pruning, inference optimization, and automated hill climbing.
  • Build evaluation, experimentation, and closed-loop improvement systems tied to production outcomes.
  • Establish authorization, independent validation, auditability, rollback, and human-oversight guardrails for production actions.
  • Prototype solutions against real production workloads and develop successful approaches into reliable systems at scale.
  • Partner with Infrastructure, AI, Product, and Reliability leaders and mentor engineers across distributed systems and applied AI.

Requirements

  • Bachelor’s degree in Computer Science, Computer Engineering, a relevant technical field, or equivalent practical experience.
  • 12+ years of software engineering experience, including building and operating large-scale distributed or infrastructure systems.
  • Experience setting technical direction and leading complex, multi-year engineering efforts across organizational boundaries.
  • Experience applying AI or machine learning systems to production problems and delivering measurable production impact.
  • Experience diagnosing complex production systems using telemetry, code, configuration, and dependency information.
  • Recent hands-on experience building and shipping complex production systems across architecture, experimentation, debugging, and implementation.
  • Experience influencing senior engineers and leaders without direct organizational authority.
  • Experience coding in C++, Java, Python, Rust, or equivalent.
  • Preferred experience includes autonomous production actions, safety and rollback mechanisms, hyperscale reliability and latency, agent evaluation and optimization, observability, incident response, distributed systems, production infrastructure, and self-improving systems.
Meta

About Meta

10,000+ employees

Meta builds social platforms and communication apps—including Facebook, Instagram, WhatsApp, and Messenger—and develops AR/VR hardware and software such as Quest to power immersive computing. It monetizes primarily through advertising tools for businesses, with additional revenue from devices and services, and operates a massive global infrastructure. Founded in 2004 and headquartered in Menlo Park, California, Meta Platforms, Inc. is a public company traded on Nasdaq under the ticker META.

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