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Toru Ichikawa
Senior AI Engineer | LLM • RAG • AI Agents • Full-Stack
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Built an enterprise AI knowledge system enabling users to query internal documentation using natural language. The system combines RAG pipelines, vector search, and GraphRAG with Neo4j to improve contextual accuracy and relationship-aware reasoning. It delivers precise answers across large-scale datasets and complex knowledge structures.
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Developed a real-time AI voice agent integrated with CRM platforms like HubSpot and Salesforce. The system handles voice calls, SMS, email, and chat, acting as a virtual employee that automates workflows and manages customer interactions across multiple communication channels.
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Oppy is an AI-powered customer engagement and workflow automation platform I helped design and build for the real estate industry. It features AI voice and chat assistants that respond to leads in real time, qualify prospects, schedule appointments, transcribe conversations, generate follow-up actions, and synchronize customer data with CRMs and calendars. The platform supports multi-channel communication, customizable AI workflows, human-in-the-loop collaboration, and real-time analytics through a responsive dashboard. This project gave me deep, hands-on experience building production-grade AI agents, real-time Voice AI systems, LLM-powered automation, CRM integrations, scalable event-driven architectures, and full-stack SaaS applications that automate customer engagement and business operations
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Peeker AI is an AI-powered email infrastructure and deliverability platform I helped design and build for outbound sales teams. It features real-time inbox health monitoring, automated detection of deliverability issues, self-healing inbox replacement, and seamless integrations with leading cold email platforms. The platform provides a responsive dashboard with live analytics, inbox management, and automation workflows for maintaining high email deliverability at scale. This project gave me deep, hands-on experience with large-scale SaaS architecture, automation pipelines, third-party API integrations, real-time monitoring systems, and building production-ready full-stack applications that support mission-critical outbound operations.
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