Applied AI Engineer

All roles San Francisco, CA Applied AI Engineer San Francisco, CAFull-timeMid to SeniorOn-site Zof AI is hiring for this role in San Francisco, CA. This is a full-time opportunity for candidates who want to contribute directly to the development of ambitious AI products in a high-performance environment. Deep, hands-on experience building production features on top of LLM APIs is required. Compensation Competitive salary Plus meaningful equity Apply for this role About This Role Zof AI is seeking an Applied AI Engineer to build product features on top of frontier model APIs. This role owns the model-facing layer of our products: retrieval and RAG pipelines, agent planning and orchestration, multi-agent frameworks, and the context engineering that makes AI systems reliable in production. If you have worked as a GenAI Engineer, LLM Engineer, RAG Engineer, or Algorithm Engineer, this is that discipline at Zof AI. The ideal candidate has shipped LLM-powered features to real users and treats quality, cost, and latency as engineering constraints, not afterthoughts. Responsibilities Design and build product features on top of frontier model APIs.Build and tune retrieval and RAG pipelines end to end.Design agent planning, tool use, and multi-agent orchestration.Own prompt and context engineering as a disciplined, tested practice.Wire evals into the development loop so quality is measured, not assumed.Optimize the cost, quality, and latency of AI features in production.Collaborate with product and engineering to ship reliably and fast.Own model-layer systems from design through production. Requirements Experience shipping LLM-powered features to production.Strong software engineering foundation.Working knowledge of retrieval, RAG, and agent patterns.Fluency with the modern model API and tooling ecosystem.Judgment about quality, cost, and latency trade-offs.Clear written and verbal communication.Comfort operating in a fast-moving environment.Evidence of building high-quality technical work. Nice to have Experience with multi-agent frameworks or agent orchestration systems.Experience building or using eval harnesses.Experience with TypeScript, Python, Node.js, Postgres, or similar technologies.Experience with fine-tuning or model adaptation. AI EngineeringLLMRAGAgentsGenAI What we provide in San Francisco MacBook Pro Premium AI development tools Cursor Ultra Claude Code Ultra OpenAI Codex Max or equivalent advanced AI tooling Access to a high-performance AI product environment Close collaboration with leadership, engineering, and customers Opportunity to work in the San Francisco AI ecosystem Wellness and productivity support where applicable Competitive startup environment High ownership Direct product impact Benefits may depend on role and final offer terms. Apply Apply for Applied AI Engineer This application is for the Applied AI Engineer role in San Francisco, CA. Please complete every required field. You are applying for Applied AI Engineer San Francisco, CA Company website 1 Basic information Full name* Email* Phone or WhatsApp number* Current location* City and country 2 Professional links LinkedIn URL* GitHub URL* Portfolio or personal website (optional) Resume or CV link* A link to Google Drive, Dropbox, LinkedIn, your website, or a PDF 3 Role-specific background Years of experience* Strongest programming languages Best project link (optional) AI tools you use Comfort with frontend Select a levelBeginnerIntermediateAdvancedExpert Comfort with backend Select a levelBeginnerIntermediateAdvancedExpert Comfort with databases Select a levelBeginnerIntermediateAdvancedExpert Comfort with AI coding tools Select a levelBeginnerIntermediateAdvancedExpert Systems or products you have worked on 0/3000 4 Location fit Are you able to work from or relocate to the San Francisco area for this role?* Select an answerYesOpen to it, with details belowNo Earliest start date or availability* Relocation or work authorization note (optional) 5 Written responses Why are you interested in Zof AI?* 0/3000 Why are you interested in this location?* 0/3000 What is the strongest evidence that you would succeed in this role?* 0/3000 What is the hardest thing you have built, sold, owned, or led?* 0/3000 How do you currently use AI tools in your work?* For example, describe a project where you used AI tools to build faster, improve quality, or solve a difficult technical problem. 0/3000 How did you hear about us? (optional) Education (optional) Anything else you would like us to know? (optional) 0/3000 6 Final confirmation I understand this is a location-based role and have reviewed the location requirements.* I confirm that the information I have provided is accurate.* By submitting, you agree that Zof AI may store and review your application for hiring purposes. Related roles Accra, GhanaFull-timeMid to SeniorOn-site Applied AI Engineer Zof AI is seeking an Applied AI Engineer to build product features on top of frontier model APIs. This role owns the model-facing layer of our products: retrieval and RAG pipelines, agent planning and orchestration, multi-agent frameworks, and the context engineering that makes AI systems reliable in production. If you have worked as a GenAI Engineer, LLM Engineer, RAG Engineer, or Algorithm Engineer, this is that discipline at Zof AI. The ideal candidate has shipped LLM-powered features to real users and treats quality, cost, and latency as engineering constraints, not afterthoughts. GHS 7,000-14,000 / month AI EngineeringLLMRAGAgentsGenAI View roleApply