2024 — 2025 · Fintech
Fullstack Developer
Polynomium
Overview
Product: a financial platform with dynamic data and real-time payment statuses.
Highlight · 01
Led the complete architectural migration from a BaaS (Supabase) to a decoupled system with a Python-based REST API and a Next.js layer, eliminating vendor dependency and gaining full control over performance and security.
Highlight · 02
Strategically optimized SEO and load times using SSR and ISR in Next.js, adapting rendering to the data type — dynamic vs. static — based on the financial product’s needs.
Highlight · 03
Designed the authentication system with Auth0 + JWT, implementing interceptors in the Fetch API for automated token injection and secure communication with the Python backend.




Next.jsReactTypeScriptAuth0ZodReact Query