Open to opportunities

Kuchiki Renji

AI Engineer&Full-Stack Developer•Fukuoka, Japan

Building production AI that moves metrics — +20% forecasting accuracy, +15% model performance, +20% user engagement

Next.jsFastAPIAWSDockerViteVAPIGoHighLevelGitHub ActionsGit

Case Studies

Selected Works

16 production AI & full-stack projects delivering measurable business impact

AI Projects

50+

Technologies

$10M+

Impact Delivered

AI/MLFull-Stack Application

Zitro.AI — AI-Powered Creator Studio

Viral clips from scripts, no editing experience required

AI-powered creator studio for generating viral video clips from scripts (Dec 2025 – Feb 2026). Built with Next.js, TypeScript, and modern AI tools. Features automated video generation, script-to-clip conversion, and content optimization for social media platforms. Designed for creators who want professional results without video editing experience.

Full-Stack Application

Admin Issuer Portal — Certificate & Digital Signature Management UI

Complete certificate lifecycle management with audit trail

React admin dashboard for certificate issuance and digital signature management (Dec 2025 – Jan 2026). Built for universities, academies, and professional institutes to manage certificate issuers, design signature layouts on PDF templates, and track signing activity with full audit trails. Features dashboard metrics, issuer verification, signature field editor with canvas, PDF preview with zoom/download, and document workflow management.

Full-Stack Application

Rising Dot Agency — Full-Stack Web Development Agency Platform

Complete agency platform with CMS, SEO tools, and admin dashboard

Modern, high-performance web development agency website built with Next.js 14 (Dec 2025 – Jan 2026). Features stunning animations with Framer Motion and GSAP, 3D elements with Three.js, comprehensive admin dashboard with MongoDB-backed CMS, SEO optimization tools with keyword strategy and analytics integration, and production-ready API routes for blogs, portfolio, contact, and analytics. Showcases web design, Shopify development, SEO, chatbot development, and N8N automation services.

AI/MLForecasting/Time-Series

End-to-End Demand Forecasting and Inventory Optimization

Multi-modal ML pipeline with uncertainty-aware forecasting

End-to-end demand forecasting and inventory optimization with Databricks (Nov 2024 – Jan 2025) - multi-modal ML (time series, images, tabular), LightGBM, MAPIE conformal prediction and MLOps for retail and fashion. Implements full pipeline on Databricks with uncertainty-aware forecasting, drift monitoring, and inventory dashboards.

Full-Stack Application

UNMISSABLERP — FiveM GTA RP Community Website

Modern community platform with live stats and whitelist system

Official website for UNMISSABLERP - a FiveM GTA RP community (Oct 2025 – Nov 2025). Built with Next.js, TypeScript, and Tailwind CSS. Features whitelist applications with validation, live server stats dashboard with 10s polling, server assets management (scripts, MLOs, vehicles), Discord integration, and store placeholder. Designed for serious roleplay communities with curated whitelist and player-driven economy.

AI/MLPredictive Modeling

Customer Segmentation with KMeans Clustering

Interactive ML pipeline for customer behavior analysis

Customer segmentation using KMeans clustering in Python (Nov 2024 – Mar 2025). Includes data preprocessing, Silhouette evaluation, PCA visualization and an interactive Streamlit dashboard. Complete unsupervised machine learning pipeline for segmenting customers with real-time cluster exploration and marketing analytics insights.

AI/MLLLM Integration

Rule-based LLMs — AI Chatbot with IBM Decision Services

Accurate, policy-driven AI with rule engine integration

Integrate Large Language Models with IBM ODM/ADS rule engines (Oct 2024 – Feb 2025). Chatbot demo combining LLM intelligence with business rules for reliable, compliant answers. Supports dual LLM backends (Ollama local, IBM Watsonx.ai cloud), LangChain orchestration, and Docker deployment. HR automation demo shows rule-based accuracy for vacation policies.

AI/MLLLM Integration

X (Twitter) Customer Support Chatbot — RAG-Powered AI Assistant

Sub-50ms retrieval with FAISS semantic search

RAG-powered AI chatbot for Twitter/X customer support (Apr 2025 – Jun 2025). LangChain + FAISS + GPT-4 + Streamlit. Semantic search over support docs with 384-dim embeddings (all-MiniLM-L6-v2) for accurate, context-aware answers. Features conversation memory, multi-style prompts, and exponential backoff retry logic. Built for Twitter/X support automation with account access, security, and recovery assistance.