I'm Tri Portrait of Tri Hargianto , a software engineer from Indonesia. I write about what I learn building for the web.

Right now

Working on the core frontend system at Mamikos as a Principal Software Engineer.

Co-organizing JogjaJS, a community of 1,000+ developers in Yogyakarta, Indonesia, that has run 30+ events over 8 years.

Sending every new article to readers of Speak in Engineering, my newsletter on Substack.

What colleagues say Read all
“He is a strong communicator and has a talent for breaking down complex technical concepts for his team and stakeholders.”
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“As his Manager, I have seen the exceptional contributions he has made as a Lead Front-End Engineer. Tri is an innovative problem-solver who is always willing to go above and beyond to ensure that his tasks are completed to the highest standard. He is a strong communicator and has a talent for breaking down complex technical concepts for his team and stakeholders. I have no doubt that he will just keep getting better.”

Giga Prakosa
Giga Prakosa

Senior Engineering Manager

“As the Front End Tech Lead, Tri provided exceptional guidance and ownership, steering front-end development with clear vision and effectively meeting goals.”
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“As the Front End Tech Lead, Tri provided exceptional guidance and ownership, steering front-end development with clear vision and effectively meeting goals. He consistently delivered clean, well-structured code and thorough documentation, ensuring high standards of quality and clarity in all projects. His proactive approach to learning is truly commendable. Tri's dedication, technical skills, and leadership qualities make him a standout professional.”

Arifin
Arifin

Software Architect - Backend

“Tri is a good software engineer who understands to get things done.”
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“Tri is a good software engineer who understands to get things done. When he started with Ralali, Tri show a good pace in ramping up on his role and did not take long to start adding value to his squad.”

William Notowidagdo
William Notowidagdo

Senior VP of Engineering

✦ Open for talks

I've given 11 talks since 2018 on React, frontend testing, and tech leadership, mostly at JogjaJS meetups and Mamikos tech talks.

See all talks →