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Yuyi Hao


Yuyi Hao

Backend / Software Engineer

I build backend systems and developer-focused applications with Python, Django, FastAPI, PostgreSQL, and Docker.


Selected Work

Tsundre Ride

A lightweight platform for timed frontend coding challenges, with isolated challenge assets, submissions, access control, throttling, and temporary data lifecycle management.

Stack: Django · Django REST Framework · PostgreSQL · Redis · MinIO

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Dayracker

A personal activity and journaling application for tracking activities, questions, diary entries, sleep, and monthly summaries.

Stack: Python · Flask · JavaScript

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Technical Skills

Backend

Python · Django · Django REST Framework · FastAPI

Languages

Python · C · JavaScript · SQL

Databases & Infrastructure

PostgreSQL · SQLite · Redis · Docker · AWS · Git


About

I'm a backend-focused software engineer interested in building reliable APIs, data-driven applications, and practical developer tools.

My current focus is strengthening my backend engineering skills, from application architecture and databases to systems and infrastructure.


Let's connect

I'm currently open to backend and software engineering opportunities.