Heejung

Published

This case study explores how to practically integrate AI into everyday workflows. By offloading simple logic to local scripts and using AI purely for data extraction, I built a cost-effective, self-learning receipt processing system.

Published

Discover how we replaced expensive off-the-shelf SaaS by architecting a custom hybrid ERP. By decoupling the frontend and leveraging MySQL JSON aggregation, we solved critical JDBC latency issues and established a highly secure, RBAC-driven platform.

Published

I built a fully functional serverless data pipeline connecting QuickBooks to Slack and Tableau. But when load testing revealed infrastructure instability, I made the call to halt deployment. Here’s why protecting the core business is more important than shipping code.

Published

Debunking the myth of the Parisian winter "low season." Unhurried morning hours at the Musée d'Orsay, dazzling holiday illuminations along the boulevards, and steaming mugs of vin chaud at the Tuileries Christmas Market.

Published

A self-professed wine novice travels from Helsinki to Paris aboard Air France. From in-flight jambon-beurre and mini wine bottles to €6 bistro pours, reflecting on how a culture’s true depth is revealed not by its luxury peaks, but by the baseline quality of its everyday essentials.

Published

Exploring Helsinki’s design identity through Marimekko, Moomin, and century-old furniture. A reflection on why Nordic design is far more than black-and-white minimalism, and why the art of subtraction remains so enduring.

Published

Exploring Helsinki in late November: radiant street illuminations defying the 3 PM sunset, animated holiday windows at Stockmann, and an intimate Christmas carol concert inside the subterranean Temppeliaukio Rock Church.

Published

Arriving in winter Helsinki with heavy luggage, tackling cobblestones and anti-slip gravel on foot, and discovering how a simple forgotten Google Maps filter turned an easy tram ride into an exhausting 20-minute workout.

Published

An exhilarating one-hour husky safari through the snow-laden forests of Saariselkä. Reflecting on childhood memories of a husky named Collie and discovering the pure, untamed joy of dogs running where they truly belong.

Published

A reflection on aurora hunting in Saariselkä, Finland. Despite a 95% statistical probability during solar maximum, four days of stubborn clouds blocked the view, leaving a poignant lesson on luck, life's probabilities, and a reason to return.