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Jaime Hing III

Jaime Hing III

I'm a tech founder based in Manila, Philippines. I love building platforms with an infrastructure play, YC alum, gamer, pragmatic engineer.

Start with a problem, not an idea

Mar 25, 2026

I spend some time scrolling through my social media. Aside from finding the next funny meme, which I enjoy, I also see developers announcing their next big thing, and almost all of them start from the same place: “I built X, Y, and Z”. I rarely see: “I keep running into this problem X, so I built solution Y.” That difference matters more than most people realize. Because ideas are exciting, problems are exhausting, and the latter powers startups.

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Doing It Again: Building a payments company to Series A

Dec 16, 2025

This month, we finalized our Series A investment from our major investor, Kollab. It is an important milestone for PayRex, but more than anything, it is a marker of responsibility. Series A does not change what we are building; it sharpens how we build it. The work remains the same: building a modern, reliable payment infrastructure for businesses in the Philippines that lasts.

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From Developer to Entrepreneur: Why More Developers Should Build Businesses in the Philippines

Jul 31, 2025

I'm a Filipino developer turned entrepreneur. I started working in corporate, thinking that this was the only path for me. Then I met a lot of amazing people along the way, who introduced me to several paths beyond corporate work.

In 2019, I co-founded my first company, called PayMongo (I left in 2023). This was just a crazy idea turned into a Y-Combinator backed company. Building a payments company is our last effort before we run out of money and find a more stable job.

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Product-Engineering Culture in PayMongo

Oct 6, 2021

Hi, I am Jaime, CTO and Co-Founder of PayMongo, a Fintech company.

I manage the PayMongo Engineering team since day 1. Last August, I started handling the Product team as well. To give a quick background of the team, we are composed of:

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Lessons after 30 years

Mar 7, 2021

Hi, I am Jaime, CTO and co-founder of PayMongo, a Philippine-based payment company.

Heads up! This is the first article that I am going to write. Recently, I decided to challenge myself to improve my writing skills. I write code as a software engineer but I am not good at expressing myself through writing. If I wrote something unclear, please let me know and I will do my best to explain myself.

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