Senior AI Engineer (Python/Node.Js/React) 100% remote | PJ > > > Only resumes in english please Requirements - Upper-intermediate to advanced english (important) - 5+ years of experience in Python; - Experience withNode.Js / Nest.Js; - Experience withReact; - Experience working with self-hosted models such as Ollama or similar stacks; - Experience withprompting, RAG, AI agents, and model integration; - Experience building REST APIs; - Experience withAWS, Docker, and CI/CD; - Experience withPostgres, Redis, or similar databases; - Should be available to work Pacific Time (PST) business hours. Nice to have - Experience with LangChain / LangGraph; - Experience withvector databases; - Experience withvoice AI, STT/TTS, Twilio, or WebRTC; - Experience deploying and optimizing inference workloads. Responsibilities - Build applications on top of self-hosted AI models; - Develop AI agents and conversational workflows; - Work with modelorchestration, prompting, and context management; - Implement backend services and APIs; - Build AI services in Python; - Develop frontend interfaces in React; - Integrate AI features with internal and external systems; - Support deployment and operation of AI services in cloud environments. Work conditions - Opportunities to work on diverse and challenging projects; - A supportive and collaborative team environment; - 12 vacation days per year; - 5 sick days peryear; - English classes; - Access to therapist and psychologist support for mental well-being. -