AI Engineer

About Piano

Piano helps the world’s leading digital businesses grow revenue by understanding and influencing customer behavior. Our platform unifies analytics, audience segmentation, and commercial personalization in one AI-driven system, enabling media companies and digital services to maximize the value of every user interaction.

The Role

We're looking for an ML/AI Engineer who enjoys turning real-world data into useful product solutions. You'll work with our Data Science team to prototype, evaluate, and ship ML/AI features across Piano's platform, spanning the full lifecycle from prototyping to deployment and optimization in production.

What You’ll Do

• Build AI-powered features for tasks such as classification, summarization, content understanding, recommendations, and conversational interfaces.
• Collaborate with backend, frontend, product, and data science colleagues to integrate AI into existing products.
• Help improve targeting and personalization logic by combining data science, machine learning, and product knowledge.
• Help build evaluation methods to measure whether our AI systems are useful, accurate, and reliable.
• Optimize LLM inference for cost, latency, and quality through context engineering, caching, model selection, and batching.
• Operate retrieval-augmented generation (RAG) pipelines and optimize retrieval quality.
• Deploy and operate reliable services in Kubernetes with support from existing infrastructure, CI/CD, and monitoring practices.