Block

Senior Machine Learning Engineer, Applied AI Quality

Block
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2 months ago

Base Salary

$195k - $343k/yr

Responsibilities

  • Lead the technical strategy and architecture for AI-driven quality and evaluation systems across products and teams.
  • Develop scalable systems using LLMs, agents, and behavioral signals to evaluate quality, detect regressions, and generate product insights.
  • Define long-term approaches for evaluation, measurement, and quality intelligence across complex product surfaces.
  • Translate ambiguous organizational needs into technical direction, roadmap priorities, and platform capabilities.
  • Influence engineering standards and best practices for reliable, measurable, and trustworthy AI systems.
  • Lead complex cross-functional initiatives spanning product, infrastructure, data, and applied AI teams.
  • Mentor and develop engineers through technical leadership, design reviews, and systems thinking.
  • Identify opportunities where AI systems can improve how teams understand, debug, and improve product behavior.

Requirements

  • At least 5 years of experience in software engineering, machine learning engineering, or applied AI.
  • Deep experience designing and shipping large-scale AI/ML systems in production.
  • Strong expertise with LLMs, agents, evaluation systems, retrieval architectures, and modern AI infrastructure.
  • Experience leading ambiguous, high-impact technical initiatives from concept through adoption across multiple teams.
  • Strong systems thinking and architectural judgment across experimentation, scalability, and operational rigor.
  • Experience defining technical strategy and influencing roadmaps beyond the immediate team.
  • Excellent communication and cross-functional leadership skills.
  • A track record of creating platforms, frameworks, and systems that enable other engineers and teams to move faster and make better decisions.

Benefits

  • Remote work is offered.
  • Medical insurance is offered.
  • Flexible time off is offered.
  • Retirement savings plans are offered.
  • Modern family planning benefits are offered.
Block

About Block

10,000+ employees

Block is one company built from many blocks, all united by the same purpose of economic empowerment. The blocks that form our foundational teams — People, Finance, Counsel, Hardware, Information Security, Platform Infrastructure Engineering, and more — provide support and guidance at the corporate level. They work across business groups and around the globe, spanning time zones and disciplines to develop inclusive People policies, forecast finances, give legal counsel, safeguard systems, nurture new initiatives, and more. Every challenge creates possibilities, and we need different perspectives to see them all. Bring yours to Block.

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