Li T.

I build reliable backend systems, AI-enabled applications, and speech-processing pipelines using Python, FastAPI, SQL, AWS, and Docker. With over six years of professional software development experience, I can support a project from requirements and API design through implementation, testing, deployment, and maintenance. I can help you with: • Python and FastAPI backend development • REST API design, integration, and documentation • AI/ML service integration and data-processing pipelines • Speech AI systems, including ASR, TTS, and PyTorch-based workflows • Relational and time-series database design • AWS S3, Docker, Linux, Git, and deployment workflows • Integration with React, Next.js, Flutter, Kotlin, and mobile applications • Debugging, maintenance, and improvement of existing systems My professional experience includes: • Healthcare platforms for clinical video uploads, AI analysis, result management, and processing histories • A hospital-facing sleep-monitoring data management system • Healthcare mobile applications using Flutter, Health Connect, HealthKit, Unity, and iOS • A LINE bot supporting content submission, online payments, and administration • Speech-recognition and text-to-speech research involving Japanese-accented English and aviation communication I am currently pursuing a Ph.D. in Computer Science and Engineering at the University of Aizu. I have experience working with multinational teams and communicating with both technical and non-technical stakeholders in English, Japanese, and Mandarin Chinese. If you need a dependable engineer to build a new backend, integrate an AI service, or improve an existing application, feel free to send me a message.