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Freelancer

Tatsunori Tojo

AI-Driven Development Engineer

🎓 Master's in Educational Psychology
💻 Full-Stack Development
🚀 Rapid Prototyping

Hobbies & Interests

Additional Information

I apply my experience in special needs education to create user-friendly system designs that are accessible to everyone.

Contact Me

Profile

I am a full-stack engineer specializing in AI-driven development. Using the latest AI technologies, particularly ChatGPT and Claude, I implement "vibe coding" to achieve overwhelming development speed and quality compared to traditional methods.

I am passionate about optimizing the entire development process from complex requirement definition to implementation and testing, maximizing business value for clients.

Strengths & Services

Rapid Prototyping

With AI assistance, I realize working prototypes from ideas at overwhelming speed.

Full-Stack Development

From frontend to backend and infrastructure, I drive projects with consistent development framework.

Business Efficiency Systems

I analyze existing workflows and build systems that dramatically improve efficiency through automation.

AI Integration Solutions

I develop next-generation web applications leveraging AI APIs like ChatGPT and Claude.

Technical Skills

Programming Languages

    Frameworks & Libraries

      Cloud & Tools & AI

        About Me

        1997

        Born in Tondabayashi, Osaka

        Spent childhood loving games and hating studies, causing trouble for my mother.

        2013

        Enrolled in Osaka Prefectural Kanan High School

        Still disliking studies, entered a school below my first choice.

        2015

        Made a resolution in third year of high school

        Grades had dropped to 220/360. Despite telling teachers about my dream university (one that top students aim for), I was dismissed.

        Turning Point: After one year of intense studying, achieved a 47% to 83% improvement on the Center Test.
        2016

        Entered Hiroshima University, Faculty of Education, Elementary Education Course

        My efforts paid off, and I entered my dream education faculty.

        2016 - 2020

        Elementary Teacher Training Program

        While studying to become an elementary school teacher, I became fascinated with psychology. I came to believe that broad knowledge beyond education is essential for nurturing people.

        Expanding Interests: Developed strong interest in the fusion of education and psychology.
        2020 - 2022

        Hiroshima University Graduate School, Educational Science Major

        Conducted research on learning in developmental disabilities (autism spectrum). Deepened expertise in special needs education.

        Research Theme: Learning characteristics and effective support methods for children with developmental disabilities
        2022 - 2025

        IVY Co., Ltd. - Free School Staff & Child Support Worker

        Provided learning support and psychological-emotional support to children with developmental disabilities, school refusal, and mild intellectual disabilities.

        Started Programming: Feeling overwhelmed by massive administrative work, I began self-studying programming to improve work efficiency.
        April 2025 - Present

        Hiroshima University Special Education Specialized Program

        Working toward special education teacher certification, conducting research on basketball coaching methods for people with intellectual disabilities.

        Current Project: Assisting in establishing a cram school for children in the gray zone. Achieving efficient development in short periods using AI.

        Mission

        From a childhood of disliking studies to carving out a path through effort. I aim to solve real problems in education by combining problem-finding skills cultivated in special needs education with AI-driven development solutions.

        AI-Powered Development Workflow

        1

        Requirements Analysis

        Use AI to analyze client challenges in detail and propose optimal solutions

        2

        Design & Architecture

        Efficiently implement system design focusing on scalability and maintainability with AI assistance

        3

        High-Speed Implementation

        Generate high-quality code 3-5x faster than conventional methods using vibe coding

        4

        Testing & Deployment

        Ensure reliable releases with automated testing environments and CI/CD pipelines

        Projects

        Contact

        Please feel free to contact me for project requests or consultations.

        Direct Contact

        tatsunoritojo@gmail.com