Full Stack Engineer

Full Stack Engineer AI Systems - San Francisco (Remote) - Start-up + EquityA long-standing client is expanding into the US and Europe. Starting with several hires in the US. This will involve working on a proactive AI assistant rather than a traditional chatbot, with highly reliable AI capable of completing multi-step tasks with minimal user promptingFocusBuild end-to-end product features across frontend, backend, and AI integrationsDesign agent workflows that handle planning, tool use, failure, and recovery across multiple steps.Integrate LLMs, memory, and external tools into systems that behave reliably under real-world conditionsDesign real-time AI interactions with streaming, partial results, and tight latency constraintsImprove system reliability, observability, and fallback mechanismsCollaborate closely with ML, backend, and product teams to ship features end-to-endContinuously iterate based on real usage and failure modesIdeal ExperiencesStrong experience in full stack engineering (frontend + backend)Solid understanding of system design and API architectureExperience working with LLMs, RAG systems, or AI-powered applicationsAbility to handle ambiguity and make pragmatic engineering decisionsStrong ownership - able to take features from idea to productionComfort working in fast-moving environments with evolving requirementsTech Stack: Next.js, Python, NodeJs, Pytorch, OpenAI / Anthropic / open-source LLMs, SQl & noSQL, Kubernetes, DockerApply directly of reach out: William@eu-recruit.comBy applying to this role, you understand that we may collect your personal data and store and process it on our systems. For more information, please see our Privacy Notice (https://eu-recruit.com/about-us/privacy-notice/)