Hercules Schonfeldt
- Role
- Lead Ai & Full-stack Engineer at Zest AI
- Location
- Naples, FL, US
- LinkedIn followers
- 500 followers
About Hercules Schonfeldt
I help founders, CTOs, and product teams build or rescue production AI/ML systems and the…
Experience
Lead Ai & Full-stack Engineer
Feb 2022 — Present · Burbank, CA, US
Led end-to-end delivery of AI features powered by LLMs across multiple enterprise systems and user-facing platforms, increasing operational efficiency by 35%.• Designed and built Retrieval-Augmented Generation (RAG) pipelines using LangChain + pgvector for internal knowledge Q&A and semantic support agents, improving answer accuracy by 42%.• Implemented OpenAI Function Calling agents to automate product recommendations, onboarding, and workflow decisions, reducing manual effort by 50%.• Created an LLM orchestration API using FastAPI with streaming inference, context fallback logic, and prompt validation, cutting response latency by 28%.• Built microservices for embedding generation, hybrid search (BM25 + dense), and dynamic reranking, boosting search precision and recall by 40%.• Integrated LangSmith for prompt tracing and evaluation of hallucinations, latency, and answer relevance, enhancing trustworthiness and reducing hallucination rates by 30%.• Developed frontend features in React/TypeScript to integrate LLM-driven assistants directly into web portals, improving user adoption by 25%.• Designed backend APIs with FastAPI, Node.js, and Python, ensuring high availability (>99.9% uptime) for AI-powered endpoints.• Led AI safety design with token budgeting, OpenAI moderation, and context sanitization, ensuring 100% compliance with governance protocols.• Mentored engineers on embedding workflows, agent pattern design, frontend-LLM integration, and AI observability, accelerating team delivery speed by 25%.
Skills
- Back-End
- Magento
- Html
- Web Project Management
- Corporate Branding
- Jquery
- Wordpress
- Front-End
- User Experience
- Usability
- Online Advertising
- Dreamweaver
- Illustrator
- Graphics
- E-Commerce
- Advertising
- Website Development
- Drupal
- User Interface Design
- Psd to Wordpress
- Psd to Joomla
- Html5
- Web Responsive Design
- Cms
- V3 Foundation
- Css
- Joomla
- Marketing
- Web Design
- Xhtml
- Management
- Graphic Design
- Cross-Browser Compatibility
- Google Analytics
- Photoshop
- Typography
- Web Development
- SEO
- Online Marketing
- Email Marketing
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