Staff Machine Learning Engineer

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🕒 February 25

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Playlab

WebsiteLinkedInAll Job Openings

1 - 10 employees

Founded 2023

💰 $25k Grant - Playlab on 2024-03

Playlab is a nonprofit that enables educators and impact organizations to build AI powered tools and experiences.

📋 Description

• Design and build evaluation systems that assess educational AI quality across thousands of conversations - from learning outcomes to bias detection to curriculum alignment • Build ML systems that enable self-improving app creation - learning from high-quality apps on the platform to automatically scaffold new applications for educators • Design and prototype downloadable, on-device AI models that work without internet connectivity - critical for privacy and global accessibility • Develop systems that enable dynamic, fluid interfaces adapting to learning moments - transitioning seamlessly from chat to writing editor to interactive physics simulation as needed • Build content moderation and safety systems designed specifically for educational discourse • Implement agentic AI systems that enable educators to create goal-directed applications (e.g., "help students through this project over 2 weeks") • Build sophisticated RAG systems that integrate diverse educational content with semantic search and knowledge graphs

🎯 Requirements

• 7+ years building and deploying ML systems in production, with recent experience in generative AI and LLMs • Strong understanding of ML fundamentals, model fine-tuning, and evaluation methodologies • Experience building production AI systems - you understand latency, cost optimization, and evaluation challenges • Proficient in Python and ML frameworks (PyTorch, TensorFlow, HuggingFace, etc.) • Thrive in high-agency, high collaboration cultures

🏖️ Benefits

• Professional development • Remote work options