Senior Applied AI Engineer

At Quizlet, our mission is to help every learner achieve their outcomes in the most effective and delightful way. We blend cognitive science with machine learning to personalize and enhance the learning experience for students, professionals, and lifelong learners alike. Join us to design and deliver AI-powered learning tools that scale across the world and unlock human potential.

Requirements

• 5-8+ years of industry experience in applied ML/AI or ML-heavy software engineering
• BS/MS in CS, ML, or related quantitative field (or equivalent experience)
• Experience building ranking/personalization or search systems (retrieval, Two-Tower/dual encoders, multi-task rankers) and contributing to online metric improvements (e.g., CTR, session depth, retention)
• Hands-on experience with LLM/GenAI systems: data curation, fine-tuning (SFT/PEFT, preference optimization), prompt engineering, evaluation, and productionization considerations (latency/cost/safety)
• Strong skills in Python/PyTorch, data and feature engineering, distributed training/inference on GPUs, and familiarity with modern MLOps (model registry, feature stores, monitoring, drift)
• Solid experiment design (offline/online), metrics literacy, and ability to translate product goals into modeling solutions

Benefits

• 20 vacation days
• Competitive health, dental, and vision insurance (100% employee and 75% dependent PPO, Dental, VSP Choice)
• Employer-sponsored 401k plan with company match
• Access to LinkedIn Learning and other resources to support professional growth
• Paid Family Leave, FSA, HSA, Commuter benefits, and Wellness benefits
• 40 hours of annual paid time off to participate in volunteer programs of choice