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達彦菊池

@tatsuhiko-kikuchi

Systems Architect & AI Engineer | Founder. Specialized in n8n automation pipelines, RAG, and Gemini 3.1 implementation for enterprise ops.

Japan

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What I'm looking for

I seek a remote-first/hybrid role leveraging 16+ yrs of leadership in Systems Architecture and Applied AI. I thrive in autonomous environments, bridging the gap between probabilistic LLMs and deterministic business logic. Expert in engineering zero-hallucination backend pipelines (n8n/Node.js/Python), RAG systems (Gemini 3.1), data integrity, and multi-language global web infrastructure.

I am a Systems Architect, Applied AI Specialist, and Tech Entrepreneur with 16+ years of cross-border operational leadership. I specialize in bridging the gap between probabilistic LLMs and deterministic business logic by engineering zero-hallucination backend automation pipelines and hybrid RAG systems.

My core technical and operational focus includes:

• AI Engineering & Automation: Advanced implementation of Gemini 3.1 Flash-Lite, Pinecone vector stores, and semantic RAG. Expert in designing enterprise-grade backend infrastructure using n8n and Node.js to achieve 100% execution success and sharp latency reduction.

• Systems Architecture & Data Governance: Creator of custom "Memory-Merge Patterns" to solve iPaaS null-overwrite vulnerabilities and guarantee data integrity. Proficient in web performance optimization and multi-language SEO/AEO architectures scaling to 393 pages across 14 languages.

• Crisis Management & Scale: Proven track record as a founder navigating complex regulatory audits, managing multi-currency operational risk, and leading 80+ personnel across parallel regional hubs.

I hold an IT Passport certification, speak native Japanese, and possess 16 years of experience operating in English-centric business environments. I am a self-starter who thrives in autonomous, remote-first global startups but am highly open to international relocation (with visa support) to scale engineering and operational infrastructure.

Experience

Work history, roles, and key accomplishments

Current

Founder & Managing Director

Current

B&D ENGLISH SCHOOL Inc.

Apr 2025 - Apr 2026 (1 year)

Led the successful reopening of the school in Aug 2024 via remote management while working full-time in Japan. Relocated to the Philippines in April 2025 to direct operations on-site. Implementing AI-driven workflows, including custom voice generation and advanced prompt engineering. Executing modern SEO/AEO strategies to drive growth and operational efficiency in the AI era.

Prompt Engineering SEO Strategy SEO Remote Management Business Transformation Operations & Strategy

Operations/Coordination Specialist

Staff Service Engineering

Jan 2024 - Mar 2025 (1 year 2 months)

Managed two IT projects via Staff Service:
1.Data Analysis: Optimized hyper-care data using Excel. Outperformed a team of 5 and was the only member offered a direct-hire position by the client.
2.Global Hub: Coordinated international complaints, bridging tech and legal teams. Used data to improve workflows and ensure swift resolution.

Operations Management Advanced Excel Conflict Resolution Data Analysis Intercultural Communication

Operations Supervisor

Altius Link, Inc.

Jun 2022 - Dec 2023 (1 year 6 months)

Promoted to Supervisor within just 3 months due to strong B2C negotiation and operational skills. Managed operations across two sites with a team of 80+ staff. Led team performance optimization and earned high praise from both the agency and the client for leadership and execution. Achieved three salary increases during my tenure, reflecting consistent contributions.

Operations Management Team Leadership Conflict Resolution B2C Support Performance Optimization Performance Reviews

Founder & General Manager

B&D ENGLISH SCHOOL Inc.

May 2014 - Mar 2020 (5 years 10 months)

Founded and managed an English school in the Philippines. Key achievements:
・Established the legal entity and operations from scratch.
・Built systems for diverse students from Japan, Korea, and Russia.
・Led 20+ Filipino staff, focusing on HR and team building.
・Directed curriculum development b

Business Strategy Business Strategy & Development International Operations Curriculum Development Strategic Marketing Talent Acquisition

Academic Tutor (English/Multi-sub)

Try Group Inc. (Individual Instruction Try)

Dec 2012 - Jan 2014 (1 year 1 month)

Gained essential teaching experience before founding my own language school. Provided personalized instruction to various students, from elementary to university entrance exam levels. Developed versatile communication and pedagogical skills by tailoring subjects to different age groups, building a solid foundation for future educational management.

Curriculum Development Educational Leadership Interpersonal Communication English Teaching Teaching

Store Manager / Assistant Manager

FamilyMart Co., Ltd.

Apr 2010 - Mar 2012 (1 year 11 months)

Managed operations for three company-owned FamilyMart stores as a Store Manager and Assistant Manager. Gained hands-on expertise in P&L management, personnel training, and leadership. Completed internal professional training in accounting and area management strategies for future supervisors, bridging the gap between field operations and business analysis.

Store Management Operations Management Team Leadership Inventory Management Financial Analysis Personnel Management Strategic Planning