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@alvinend

Alvin Endratno

@alvinend·Kyoto, Japan·Joined January 2022

Frontend engineer who loves coffee and dogs!

About

Hi there 👋

I'm an Indonesian who loves coffee and dogs!! Also, code sometimes.

Currently studying at Kyoto College of Graduate Studies for Informatics. 🏫

Work as Full-Stack Engineer

Available for

Nothing here yet.

Alvin Endratno's blogs

Alvin Endratno — Tech Founder, Engineer & Builder of PT Lensiro Digital Solusiblog.alvinend.tech21 posts

Articles Comments9

The Founder's Perspective: Why Vertical SaaS?

Or: Why we stopped trying to build software for everyone, and built Lensiro just for optical shops. If you've ever walked into an optical shop in Indonesia to buy a pair of glasses, you probably didn'

Mar 31 · 6 min readblog.alvinend.tech

Building a Stock System That Cannot Be Wrong

The Problem Every Retailer Knows If you've ever managed inventory for a retail business, you know the nightmare: the system says you have 5 units, but you can only find 3 on the shelf. Or worse, you s

Mar 20 · 13 min readblog.alvinend.tech

Building a 200‑Server Local LLM Cluster

Large‑language‑model (LLM) APIs are incredibly powerful—but they are also expensive. Local LLM inference, on the other hand, is almost free once the hardware is on your desk. This post walks through how we turned an ever‑growing pile of idle Apple si...

Jul 4, 2025 · 3 min readblog.alvinend.tech

Managing Snowflake's Procedure & UDF with Github

Snowflake is an incredible data platform that my company and I have been leveraging for about a year and a half. It's robust, reliable, and feature-rich, with an intuitive UI that makes it easy to navigate. Notably, we haven't experienced any acciden...

Jun 24, 2024 · 4 min readblog.alvinend.tech

Deploying Big Files with AWS Lambda and EFS Made Easy

Background In some cases, we want to deploy our trained deep learning models or pre-trained models from platforms like Hugging Face to AWS Lambda for serverless inference. While the official service for such tasks is AWS Sagemaker, it can sometimes b...

Jun 11, 2024 · 8 min readblog.alvinend.tech

About

Hi there 👋

I'm an Indonesian who loves coffee and dogs!! Also, code sometimes.

Currently studying at Kyoto College of Graduate Studies for Informatics. 🏫

Work as Full-Stack Engineer

Available for

Nothing here yet.

Alvin Endratno's blogs

Alvin Endratno — Tech Founder, Engineer & Builder of PT Lensiro Digital Solusiblog.alvinend.tech21 posts