GrepJob
Block

Principal Engineer, AI Systems

Block
Apply
about 4 hours ago

Base Salary

$319k - $479k/yr

Responsibilities

  • Ship, architect, build, and own end-to-end delivery of autonomous agents and workflows.
  • Design agent orchestration systems for planning, tool use, memory, evaluation, and coordination.
  • Integrate and optimize frontier LLMs into agent architectures.
  • Drive model optimization work to enhance agent capabilities.
  • Lead technical planning by breaking down objectives into actionable tasks.
  • Provide mentorship and guidance to engineers through code reviews and knowledge sharing.
  • Collaborate with stakeholders to translate business objectives into product experiences.
  • Continuously evaluate emerging AI capabilities and make pragmatic tradeoffs.
  • Foster a culture of technical excellence and rapid experimentation.

Requirements

  • 15+ years of experience in software engineering or machine learning.
  • Deep experience in building autonomous agents in production environments.
  • Fluency in core primitives of agentic systems.
  • Experience with frontier LLM capabilities and model optimization.
  • Track record of scaling AI-powered products in fast-paced environments.
  • Strong software engineering fundamentals and ability to write production-quality code.
  • Experience providing technical leadership and shaping technical direction.
  • Product-minded approach focusing on user outcomes.
  • Excellent collaboration and communication skills.
  • Comfort navigating ambiguity in a rapidly evolving domain.
  • Alignment with Block's mission of economic empowerment.

Benefits

  • Remote work options available.
  • Comprehensive medical insurance.
  • Flexible time off policies.
  • Retirement savings plans.
  • Modern family planning support.

Categories