Yamamoto Taku

Full-stack Developer

From: Osaka, Japan
Salary range: 30-100 $/hr

I am a seasoned Full-Stack Developer with 7 years of experience in building scalable and efficient web applications and software solutions. Proven ability to lead development projects from conception to deployment, leveraging a wide range of technologies to create responsive and interactive user interfaces, robust server-side applications, and fully integrated systems. Strong problem-solving skills and a collaborative team player who thrives in fast-paced environments.
To leverage extensive full-stack development expertise to drive the development of innovative software solutions. Aiming to take on more strategic roles, focusing on emerging technologies and leading development teams to achieve high-impact results.

Open for freelance
Full time
Full remote

Skills

Education

Web Engineer Major

Osaka Information and Computer Science College

March 2017 - March 2020

Specialization in software development.

Work experience

Full stack developer

Callisto Inc.

June 2022 - March 2024

  • Led the development of Medical Data Hub, a comprehensive web platform designed to enhance the security, privacy, and accessibility of medical data. The platform enables healthcare providers and researchers to securely store, access, and share medical information.
  • Created a user-friendly interface using Next.js and TypeScript, focusing on intuitive navigation and responsive design to cater to the diverse needs of users in the medical community.
  • Built reliable server-side solutions using Node.js and Prisma, with MySQL for robust data management and storage. Ensured smooth data operations and scalability to handle the demands of a growing user base.
  • Implemented robust security measures including Auth0 for secure authentication and user management, ensuring compliance with privacy regulations and safeguarding sensitive information.
  • Utilized Cloudflare to enhance application performance and secure data transactions. Integrated features to protect against DDoS attacks and optimize content delivery for a better user experience.
  • Leveraged GitHub for version control, facilitating seamless team collaboration and continuous integration/continuous deployment (CI/CD) processes that ensured code quality and application reliability.
  • Spearheaded the integration of Fision AI to analyze and process burn images, effectively identifying and anonymizing sensitive information without compromising the clinical value of the data.
  • Conducted extensive testing to validate the accuracy of the anonymization algorithms and the overall performance of the application. Regularly updated the software based on user feedback and new technological advancements to enhance functionality and user experience.

Full stack developer

Line Media Research Co., Ltd.

May 2020 - May 2022

  • Led the design and development of a remote monitoring interface that consolidated camera feeds from multiple buses into a grid layout on one screen. This setup enabled efficient, real-time surveillance by dispatch operators and safety personnel.
  • Integrated RTSP (Real-Time Streaming Protocol) for live video feeds from high-definition cameras installed in each bus. Managed and configured the camera setups to optimize field of view and ensure comprehensive coverage of bus interiors and exteriors.
  • Addressed and resolved significant latency issues inherent in RTSP stream processing. Implemented stream optimization techniques, such as tweaking frame rates, adjusting bit rates, and selecting optimal encoding settings to reduce lag and improve the real-time video streaming quality.
  • Ensured the system provided stable and continuous real-time feedback without interruptions, essential for immediate response situations and routine safety checks.

Representative Projects

Callisto Datahub

October 2023 - March 2024

Team size: 3 person
My role: Full Stack Developer
Company: Callisto Inc.
Category: Web app

Played a pivotal role in creating a vital tool for the healthcare sector, recognized for its innovative approach to managing medical data. The Medical Data Hub has greatly improved operational efficiencies, data accessibility, and the security of patient information across multiple institutions.

Anonymize Tool

June 2022 - March 2024

Team size: 5 people
My role: Front-end Developer, AI Engineer
Company: Callisto Inc.
Category: Windows app

Successfully delivered a critical tool that supports the medical community by providing a secure method to study and share burn-related medical images. The tool has significantly contributed to research and treatment strategies, improving outcomes for burn patients while ensuring data privacy and compliance with regulatory standards.

Bus Remote Monitoring

October 2020 - May 2022

Team size: 2 people
My role: Full Stack Developer
Company: Line Media Research Co., Ltd.
Category: Web app, Rtsp Stream, Ip Camera

The remote monitoring system has been pivotal in enhancing the safety and security of the bus fleet. It has enabled more effective coordination and faster response times in emergency situations, significantly improving overall operational efficiency and passenger safety.