AI Engineer - Conversational AI

About the job

Position Overview You’ll be building Yuna’s core conversational intelligence. This spans retrieval, memory, safety, and evaluation. You’ll ship user-visible improvements quickly while raising the bar on empathy, reliability, and guardrails. What you’ll do Design agentic flows (tool use, planning, multi-turn memory) and safe retrieval for mental-health use cases Work closely with clinical psychologists (both internal and external to Yuna), ensuring the efficacy of Yuna’s conversational AI Build and own the evaluation flywheel: benchmarks, judge models, rubrics for conversational quality, ability to help, safety Design, build, and operate services for conversation state, user memory, retrieval, and tool integrations (REST/g RPC). Collaborate with front end teams for API creation, QA, and implementation Implement alignment & safety layers (e.g., self-harm detection, red-teaming, refusal strategies, escalation paths) tuned to clinical guidelines Optimize for latency, cost, and quality Partner tightly with product, sales, and users to scope new features. What you’ll bring 5+ years building backend systems in production (Python/Go/Node JS), with strong systems and API design skills Hands-on experience with Lang Graph and building agentic systems (tool calling, memory, orchestration) Experience deploying and operating services on Kubernetes, including debugging production issues Deep skill in Python and modern deep learning stacks (Py Torch/JAX/Tensor Flow) Proficiency with relational + vector/search systems and real-time communication (sockets, Web RTC, Live Kit) Comfort working with ambiguity and creating systems 0 to 1.

Requirements

• Conversational AI
• Python
• Go
• Node JS
• Lang Graph
• Kubernetes
• Deep Learning

Preferred Technologies

• Conversational AI
• Python
• Go
• Node JS
• Lang Graph
• Kubernetes
• Deep Learning

Benefits

• Competitive salary
• Equity options
• Remote-first culture
• Flexibility
• Impact opportunities

About the company

Yuna's mission is to radically transform the way mental health support is accessed and delivered. By providing 24/7 instant and private support at the push of a button, we aim to address the significant gaps in mental health care accessibility. In a system where waiting times for therapists can reach up to 48 days and many people can't even afford care, Yuna is the answer to immediate mental health support needs.