Vincent Valentino Oei
a.k.a Vin Ren

Undergraduate Computer Science Student at Universitas Indonesia with Enthusiasm in Programming and Electronics. In my spare time, I also enjoy writing tech blogs and exploring new technologies.

Skills

Astro Astro
Python Python
Java Java
C++ C++
TypeScript TypeScript
Tailwind CSS Tailwind CSS
React React
React Router React Router
Node.js Node.js
Git Git
Docker Docker
Next.js Next.js
Astro Astro
Python Python
Java Java
C++ C++
TypeScript TypeScript
Tailwind CSS Tailwind CSS
React React
React Router React Router
Node.js Node.js
Git Git
Docker Docker
Next.js Next.js
Go Go
Django Django
Cloudflare Cloudflare
Prisma Prisma
Hono Hono
Fly.io Fly.io
PostgreSQL PostgreSQL
DaisyUI DaisyUI
Drizzle Drizzle
Svelte Svelte
T3 Stack T3 Stack
tRPC tRPC
Go Go
Django Django
Cloudflare Cloudflare
Prisma Prisma
Hono Hono
Fly.io Fly.io
PostgreSQL PostgreSQL
DaisyUI DaisyUI
Drizzle Drizzle
Svelte Svelte
T3 Stack T3 Stack
tRPC tRPC

DevOps Enthusiast|

Skills

Astro Astro
Python Python
Java Java
C++ C++
TypeScript TypeScript
Tailwind CSS Tailwind CSS
React React
React Router React Router
Node.js Node.js
Git Git
Docker Docker
Next.js Next.js
Astro Astro
Python Python
Java Java
C++ C++
TypeScript TypeScript
Tailwind CSS Tailwind CSS
React React
React Router React Router
Node.js Node.js
Git Git
Docker Docker
Next.js Next.js
Go Go
Django Django
Cloudflare Cloudflare
Prisma Prisma
Hono Hono
Fly.io Fly.io
PostgreSQL PostgreSQL
DaisyUI DaisyUI
Drizzle Drizzle
Svelte Svelte
T3 Stack T3 Stack
tRPC tRPC
Go Go
Django Django
Cloudflare Cloudflare
Prisma Prisma
Hono Hono
Fly.io Fly.io
PostgreSQL PostgreSQL
DaisyUI DaisyUI
Drizzle Drizzle
Svelte Svelte
T3 Stack T3 Stack
tRPC tRPC

Recent Experiences

VPIC of WebDev - Bimbingan Belajar Gratis UI

January 2026 - Present

VPIC of WebDev - Bimbingan Belajar Gratis UI logo

Built Open Registration System using React Router V7 and NestJS, handling over 500 registrations smoothly and provides OIDC compliant authentication provider for tryout system.

VPIC of IT Dev - Open House Fasilkom UI

May 2025 - December 2025

VPIC of IT Dev - Open House Fasilkom UI logo

Planned and distributed tasks, delivered backend and frontend components with React Router and Hono (Bun), and coordinated urgent feature requests quickly.

Scientific & Technical Committee - COMPFEST 17

April 2025 - September 2025

Scientific & Technical Committee - COMPFEST 17 logo

Created and vetted problems for junior and senior competitive programming contests; built a printing site and deployed a customized online judge stack (Nginx, RabbitMQ, React).

Web Developer - Bimbingan Belajar Gratis UI

December 2024 - March 2025

Web Developer - Bimbingan Belajar Gratis UI logo

Built frontend and backend components to support participant registration for the free tutoring program.

Achievements

Silver Medalist of Indonesian National Olympiad in Informatics (OSN)

Pusat Prestasi Nasional Indonesia, 2023

Ranked 9th out of ~25,000 high school participants nationally, demonstrating strong competitive programming fundamentals.

Bronze Medalist of the ICPC Asia Jakarta Regional Contest

ICPC Foundation, 2025

Earned a regional bronze medal as part of a team, solving algorithmic problems under contest constraints.

Featured Projects

Cicilova.com
Cicilova.com

Curated resale platform built with Next.js/React Server Components and Drizzle ORM for type-safe backend logic.
Probably Printing
Probably Printing

Printing API and worker service for competitive programming contests (used in CPC17), supporting dynamic configurations, and flexible plugin based print file submission. Made in collaboration with Worthytacos.
Synapsis
Synapsis

API-integrated phone credit automator for distributors, supporting HTTP/HTTPS and legacy (XMPP) channels with a scalable design.
API Template
API Template

Lightweight boilerplate for API consumers with SQLite connector, cookie/download plugins, and a simple SQL-like data skeleton.

Afloat in 2026, created with love.

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Codename - {Caplith}