Hi There, I'm

DevX

AI & Full Stack engineer WITH 7 YEARS OF EXPERIENCE

Experienced AI + Full Stack engineer specializing in workflow automation, LLM integration, RAG, and image & voice AI, with a proven track record in building production-ready pipelines and systems. I also have deep expertise in blockchain and smart contract development, delivering scalable, end-to-end solutions from AI models to full-stack deployment.

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About

About Me

AI Engineer with 7 years of hands-on experience building and deploying machine learning and deep learning solutions in production. Experienced in developing predictive models for customer behavior, image recognition, NLP, and recommendation systems, improving accuracy, efficiency, and revenue by significant margins. Skilled in designing end-to-end AI pipelines using TensorFlow, PyTorch, and cloud platforms like AWS and GCP, integrating models into production via APIs and orchestration for scalable, reliable solutions while continuously optimizing and staying current with emerging technologies. In addition, I have extensive experience in workflow automation, LLM integration, RAG pipelines, image and voice AI, and AI content moderation. I also bring expertise in blockchain and smart contract development, delivering full-stack, production-ready solutions that seamlessly combine AI, backend infrastructure, and decentralized applications.

Tech Stack

Python C++ JavaScript Solidity Rust Node.js React Next SQL PyTorch TensorFlow scikit-learn Scikit-Keras Hugging Face Transformers LangChain FastAPI OpenCV NumPy Pandas Supervised & Unsupervised Learning Transfer Learning Transformers CNNs RNNs Model optimization Experiment Tracking LLM Fine-tuning RAG Prompt Engineering Text Classification Summarization Named Entity Recognition Vector Databases Image Classification Object Detection segmentation OCR Real-Time Inference with ONNX & TensorRT Docker Jubernetes MLflow Airflow CI/CD Mdoel Versioning Drift Monitoring Cloud Deployment Hardhat Truffle EVM Web3 GIT Communication

Education

Bachelor of Science in Computer Science

Waseda University, Japan

2014 – 2018

Services

My Services

Web Development & Deployment

Develop and deploy full-stack web applications using technologies like Next.js, Docker, and CI/CD pipelines, ensuring automated builds, scalable infrastructure, and continuous delivery across cloud platforms.

AI & ML Development

Build intelligent systems using MCP, agentic AI, fine-tuned models, and computer vision to solve real-world problems across multiple industries.

Generative AI & Prompt Engineering

Design LLM-based applications with advanced prompt engineering and fine-tuning for content generation, chat systems, and enterprise AI workflows.

Domain-Focused Applications

Deliver AI solutions in traffic, medical, e-commerce, entertainment, and sports, tailored to each industry's unique challenges and use cases.

Data Analytics & Predictive Intelligence

Extract actionable insights and forecast trends from large datasets using machine learning, statistical modeling, and predictive algorithms.

Automation & Intelligent Agents

Develop autonomous AI agents that plan, reason, and interact across complex workflows to streamline operations and boost productivity.

Scalable AI Infrastructure

Deploy scalable, cloud-integrated AI systems using Docker, FastAPI, and cloud platforms like AWS and GCP for real-time, production-grade performance.

Experience

My Experience

Sep, 2025 - Jan, 2024

AI engineer

Developed and deployed machine learning and deep learning models for recommendation systems, customer analytics, and NLP-based chatbots.

Designed and maintained end-to-end AI pipelines, including data ingestion, preprocessing, feature engineering, model training, evaluation, and deployment using Python, PyTorch, and TensorFlow.

Built scalable REST APIs with FastAPI and Flask to integrate AI models into production applications.

Implemented workflow orchestration using Apache Airflow to automate model retraining and monitoring, improving system efficiency by 25%.

Collaborated with product and data teams to define KPIs, perform A/B testing, and optimize models for business impact.

Deployed models on AWS SageMaker and GCP AI Platform, ensuring high availability and lowlatency predictions.
- Software Development Company in Tokyo, Tokyo, Japan
Jan, 2019 - Dec, 2023

Backend developer

Developed and maintained backend systems and RESTful APIs using Python, Django, and Flask to support web applications.

Designed and optimized database schemas (PostgreSQL, MySQL) and queries, reducing response times by 20%.

Built ETL pipelines for processing customer and transactional data, enabling downstream analytics and reporting.

Integrated initial AI/ML features (e.g., basic predictive models for user behavior) into backend services.

Collaborated closely with frontend developers and QA engineers to ensure seamless deployment of new features.

Monitored and maintained server performance, logging, and security to ensure system reliability.
- RealCRO, Tokyo, Japan
Aug, 2014 – Dec, 2018

Full Stack + Blockchain Developer (Freelance)

Delivered full-stack web and blockchain solutions for clients across multiple freelance platforms, leveraging React, Next.js, Node.js, and Solidity.

Developed decentralized applications (DApps) with wallet integration using MetaMask, Web3.js, and Ethers.js, enabling secure on-chain user interactions.

Built and optimized backend APIs with Express.js and MongoDB, ensuring scalability and fast data access for blockchain-connected systems.

Deployed and tested smart contracts on Ethereum and Polygon using Hardhat and Truffle, automating token operations and ownership management.

Integrated off-chain and on-chain data flows, improving data reliability and bridging Web2 and Web3

Managed project delivery independently, maintaining clear client communication and efficient CI/CD pipelines through AWS, Vercel, and GitHub Actions.
- Freelance Projects (Upwork, CrowdWorks, Fiverr, and Private Clients)