Sakai Shuhei

■ Approach to Work

I strive to fully understand the details of each request and see it through to the very end.

I believe that consistently performing the basics with care builds trust.

I place great importance not only on building exactly to specifications, but also on creating solutions that are designed for long-term, seamless use in real-world operations. I prioritize providing solid, stable value over flashy features.

■ About My Work

I have been working on development projects as a sole proprietor, but to expand my scope of work, I recently registered on CrowdWorks.

While I do not yet have a large track record on this platform, I will handle each request with sincerity, drawing on my professional experience.

■ Professional Overview

I have worked as a backend engineer for approximately six years, focusing on development in the healthcare, SaaS, and e-commerce sectors. My expertise centers on API design, asynchronous processing, and database design, and I have also worked on feature development utilizing machine learning and large language models (LLMs).

■ Key Achievements

[AI Log Analysis Platform]

・False positive rate: 32% → 11%

・Processing time: 5 minutes → 30 seconds

→ Improved accuracy and processing efficiency, reducing operational workload

【LLM Profile Generation】

・Creation time: 14 hours → 5 minutes

→ Reduced manual work and improved operational efficiency

【Corporate Evaluation Dashboard】

・Hiring decision time: 9 days → 2.1 days

・Hiring rate: 41% → 68%

【Electronic Medical Record AI Recommendations】

・Adoption Rate: 42% → 78%

【Appointment SaaS Improvements】

・Open Rate: Approximately doubled

・Double Bookings: Zero

■ Certifications

Database Specialist

Applied Information Technology Engineer / Fundamental Information Technology Engineer

■ Final Remarks

Rather than focusing on the number of projects, I aim to build trust through the quality of each individual project.

I will handle every project with integrity so you can entrust me with confidence.