Hire Julien W. - RAG Engineer

* Designed and implemented AI transformation roadmaps for 4+ early-stage startups, reducing operational costs * Developed custom GPT-based workflow automation solutions that eliminated 15-20 hours of weekly manual work for client teams across marketing, customer support, and content creation * Advised on strategic implementation of computer vision systems for a retail analytics startup, resulting in improving inventory management * Created AI readiness assessment framework to identify high-impact, low-implementation-cost opportunities, prioritizing initiatives with measurable ROI

* Built the complete backend powering HeySam’s AI Sales Engineer, seamlessly integrating with platforms like Zoom, Slack, and Google Sheets. Key achievements: * Led the AI and backend development in close collaboration with the CEO, defining technical direction and architecture for the company’s core product. * Built scalable APIs and ingestion pipelines to handle real-time Zoom call streams, Slack contexts, and document corpus for LLM fine‑tuning * Developed custom data pipelines and prompt-engineering frameworks to fine‑tune LLMs for video analysis and live Q&A, delivering instant, context-aware responses during calls * Engineered low-latency inference infrastructure with optimized batching, caching, model routing, and monitoring to ensure sub-second response times in live settings. * Enabled frictionless deployment: turn-key Slack app and Zoom integration deployable within two weeks to support live technical Q&A and call intelligence

* As founding ML Engineer at Gorgias, I built and deployed production ML systems that power the platform’s global customer support, scaling to 100M * daily queries at sub-100ms latency. * Collaborated with CEO, CTO, and Product VPs to define and execute AI automation strategy across 10 k * e-commerce clients. * Architected and launched multilingual NLP models (sentiment, intent, summarization, NER, translation) powering Gorgias’s platform, processing 100M * queries/day at <100ms latency. * Enabled $4M * ARR growth and 15% * CSAT increase by automating key support workflows and accelerating agent responses. * Owned full ML lifecycle: model development, scalable MLOps, deployment, and 24/7 monitoring (99.99% uptime).