AI / ML Engineer - Known

The role

You will be the technical founder driving the machine learning and AI backbone for Known. You will design and ship personalized matching algorithms, adaptive recommendation loops, and natural voice or LLM-based interactions.

What you will do

• Design and implement multi-stage matching systems for compatibility scoring, search, and personalization.
• Develop and maintain ML pipelines for data ingestion, feature generation, model training, evaluation, and inference.
• Prototype and productionize agentic workflows for natural-language and voice interactions.
• Deploy and monitor ML models in production with guardrails for performance, fairness, and safety.
• Run offline and online experiments to measure engagement, match success rate, and conversation quality.
• Collaborate cross-functionally with platform engineers and product designers to integrate AI into the user experience.

Required qualifications

• 3+ years in applied ML or data science engineering roles, ideally working on recommendation, search, or personalization systems.
• Strong proficiency in Python and modern ML frameworks (PyTorch, TensorFlow, JAX, Hugging Face).
• Experience with LLMs, embeddings, and agentic workflows.
• Understanding of A/B testing and human-in-the-loop system design for model evaluation in production.
• You care about building safe, fair, and human-centered AI experiences.

Nice to have

• Familiarity with ANN search systems and modern MLOps tools
• Reinforcement learning or preference modeling experience

About the company

Pear-VC is the company for the Known role, an intelligent, compatibility-driven dating platform.