Mickey Lee
@mickeylee
Product-minded backend engineer modernizing scalable platforms with Python and FastAPI.
TaiwanWhat I'm looking for
I’m a product-minded backend engineer with 4+ years of experience in platform architecture and system modernization. At my current role, I assumed full ownership of transitioning core services from Java to a Python (FastAPI) stack, accelerating the feature delivery lifecycle while improving reliability.
I’ve also led fintech and billing work by owning Stripe infrastructure and building a resilient subscription engine, including idempotent transaction logic and grace period mechanisms. Beyond core services, I pioneered LLM-powered automation for curriculum video subtitle workflows, built timezone-aware engagement systems, and developed CMS modules to replace WordPress functionality—while strengthening performance through SQL refactoring and executing zero-downtime data migrations.
Experience
Work history, roles, and key accomplishments
Backend Engineer
EdTech Company
Jan 2024 - Present (2 years 5 months)
Owned migration of core services from Java to a Python (FastAPI) stack, modernizing infrastructure and accelerating feature delivery. Led Stripe billing/subscription architecture (idempotent transactions and grace periods), built RBAC governance, integrated LLM automation for subtitle workflows, and delivered zero-downtime migrations for millions of records.
Backend Engineer
OneDegree, IXT
Mar 2021 - Sep 2023 (2 years 6 months)
Built a backend CMS from scratch using event sourcing and SSE to enable real-time content synchronization for a no-code editor. Implemented Clean Architecture and Saga patterns with FastAPI, eliminated N+1 queries via ORM refactoring, and established unit/integration testing with CI/CD.
Education
Degrees, certifications, and relevant coursework
National Taiwan University
Master of Science in Structural Engineering, Structural Engineering
Grade: GPA 3.85/4.3
Earned a Master of Science in Structural Engineering from National Taiwan University (GPA 3.85/4.3).
National Chiao Tung University
Bachelor of Science in Civil Engineering, Civil Engineering
Grade: GPA 4.1/4.3
Earned a Bachelor of Science in Civil Engineering from National Chiao Tung University (GPA 4.1/4.3).
Availability
Location
TaiwanAuthorized to work in
Portfolio
github.com/mickeyleetwSalary expectations
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