Senior Conversational AI Engineer

Job Description

yuna's mission is to radically transform mental health support by providing instant and private 24 / 7 access at the push of a button.

in a system where waiting times can reach up to 48 days, yuna addresses accessibility gaps in care.

every person who joins us plays a pivotal role in shaping mental health technology.

Key Responsibilities

• lead model lifecycle : problem framing & data curation → modeling / fine-tuning / post-training → evals → rollout → monitoring
• work closely with clinical psychologists to ensure conversational ai efficacy
• design agentic flows and safe retrieval for mental-health use cases
• build evaluation flywheel : benchmarks, judge models, rubrics for conversational quality, ability to help, safety
• implement alignment & safety layers tuned to clinical guidelines
• optimize latency, cost, and quality
• partner tightly with product, sales, and users to scope new features

Requirements

Benefits

we offer competitive salary + equity options, remote-first culture with flexibility, a fast-growing team dedicated to transforming mental health care, and the opportunity to make a real impact on the world.