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⟢ Portfolio · MMXXVI ⟢

JiyulAhn

Systems Developer · Founder

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jiyul.ahn
FOUNDER✦
LEAD DEVELOPER✦
DX TECH PM✦
SYSTEM ARCHITECT✦
B2B INFRA✦
STONY BROOK CS✦
FOUNDER✦
LEAD DEVELOPER✦
DX TECH PM✦
SYSTEM ARCHITECT✦
B2B INFRA✦
STONY BROOK CS✦
Jiyul Ahn
● Jiyul Ahn / 2026
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⟢ 01 · About

Translating complex systems into scalable products.

I'm a systems-oriented developer with experience building and digitizing operational platforms · from end-to-end workflow architecture and UX, to backend data structures for administrative and B2B transaction processes.

I work across data modeling, process automation, and production deployment, translating organizational complexity into technology that scales.

00+

Years building

00

Active roles

00+

Cities operating

⟢ 03 · Stack assembly

Scroll to assemble

01◇
TypeScript
/ core
02◇
Next.js
/ frame
03◇
React
/ ui
04◇
Supabase
/ data
05◇
PostgreSQL
/ db
06◇
Node
/ runtime
07◇
PHP
/ legacy
08◇
Tailwind
/ style
09◇
Odoo
/ ops
✓ system online
One product. Nine systems.

⟢ 03 · Experience

A track record of shipping.

Jul 2025 · Present

Founder & Lead Developer

SeekOnce · Incheon, KR

  • Built and shipped an academic management platform for SUNY Korea, gated by @stonybrook.edu, reaching 100 users within 20 days of launch.
  • Architected a 20+ table PostgreSQL schema spanning users, clubs, transcripts, courses, evaluations, and geolocation modules.
  • Continuously improved architecture decisions · replaced polling with Supabase Realtime and refactored curriculum-path animations with Framer Motion across 15+ releases.
ReactSupabasePostgreSQLRealtime

Mar 2026 · Jun 2026

Research Intern (Paid Contract)

KOPRI (Korea Polar Research Institute) · Life Sciences Research Division · Incheon, KR

  • Built an offline software program for internal use under a paid development contract.
  • Engagement is governed by a signed non-disclosure agreement · scope and details are confidential.
Paid ContractNDAGovernment Institute

Jun 2025 · Present

Odoo Partner Project Manager

DX Tech Company · Incheon, KR

  • Manage multiple concurrent projects, prioritizing by urgency, resources, and organizational alignment.
  • Define plans and resourcing required to meet project goals and milestones.
  • Monitor performance to surface improvement areas and drive iterative adjustments.
OdooPMOperations

Feb 2025 · Present

Founder & Lead Developer

Stealth · B2B Export Infra · Incheon, KR

  • Planned a B2B export transaction infrastructure connecting domestic sellers with overseas buyers.
  • Architected hybrid data structures · NoSQL for high-volume behavior and social signals · tuned to data nature.
  • Led functional definition and MVP build, automating customs and logistics across the export pipeline.
FounderB2BArchitecture

Apr 2023 · Dec 2024

Developer

BADA · Cheonan, KR

  • Digitized an offline student application pipeline into a website using PHP, HTML, and JavaScript · improving access and processing.
  • Designed cross-platform (Mobile + PC) UI/UX and led end-to-end deployment on Cafe24, including server config and release.
PHPFull-stackDeployment

⟢ 02 · Awards

Recognized work.

★ Grand Prize · 1st Place

CODEGATE 2026 AI Startup Hackathon

Product Planner & PresenterJuly 2026

Led product planning and delivered the final pitch for an AI knowledge-succession platform for manufacturing SMBs, winning 1st place out of all competing teams.

₩ 20,000,000

Prize

Selected · Works · Selected · Works ·

⟢ 05 · Selected projects

◀ scroll ▶

P/01Founder & Lead Developer · 2025~Present · seek-once.com

SeekOnce

Academic management platform for SUNY Korea · gated by @stonybrook.edu. 100 users in 20 days of launch. Currently v3.7.1, actively shipped. GPA simulation, curriculum path mapping, friend schedule overlay, anonymous course evaluations, and campus café geolocation (Outstanding partnership). Transcript-based auto-ingestion across all features.

100 users · 20 days
v3.7.1 · 15+ releases
20+ table schema
10+ DAU
ReactSupabasePostgreSQLFramer MotionReact QuerySupabase Realtime
Case study ↗
01
P/02Founder · 2025

B2B Export Infra

Hybrid SQL + NoSQL pipeline connecting Korean sellers with overseas buyers · automating customs, logistics, and settlement.

Details on request
02
P/03PM · DX Tech

Odoo Operations

Multi-project orchestration: scoping, resourcing, and KPI instrumentation for Odoo-based enterprise rollouts.

Details on request
03
P/04Developer · 2023~24

BADA Admissions

Digitized an offline student pipeline into a cross-platform site · PHP / JS, server config, and full deployment on Cafe24.

Details on request
04
P/05Always shipping

Internal Tools

A trail of small, sharp tools · admin dashboards, dataset cleaners, automation hooks. Boring on purpose, fast by design.

Details on request
05

⟢ 06 · Education

Stony Brook University

Stony Brook University

B.S. Computer ScienceNew York, United StatesUndergraduate

Studying computer science at SBU · focusing on systems thinking, distributed data, and the messy bridge between code and operations.

LET'S TALK

⟢ 05 · Contact

Have a system worth building?

Email

jiyul.ahn@stonybrook.edu

Phone

+82 10 8685 9042

Location

Songdo, Incheon
South Korea

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