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// tri cahyo · freelance full stack engineer · jakarta

I build it.
I fix_it()▍✓
I back up your team.

Web apps, mobile apps, rescue for software nobody maintains, and extra hands for the scope your team has no time for.

psst… not sure where to start?
not sure what you need? tap the closest:
Scope it in 2 minutes
2 minutes · no sign-up · you keep the brief
~/3cme.dev — zsh
$ 3c start --client✓ brief → PRD✓ web app · mobile app✓ bugs nobody fixes → triaged✓ extra hands · 1 scope› ship it$ ▍// next up: your project
web apps × mobile apps — built by the person writing the code — fix_it() // zero abandoned bugs —
01 / delivered-for
HabilisK-LabsBina Bangsa SchoolPT Pulau Intan Lestari
03 / collaborations

Built around real work.

From music studios to construction sites, I help turn everyday business needs into useful software—working closely with clients and the teams behind them.

Ades Analytics→ adesanalytics.com

Making advertising data easier to act on.

I helped develop a platform for tracking campaigns, understanding performance and planning advertising budgets. Working directly with the client, I took features from requirements through testing and release.

through Habilis, now Weaver

Behind the scenes of a music studio.

Working with Antoine and Odile, I built platform features for studio bookings, audio sessions, payments and large audio files—supporting the work around recording, mixing and production.

direct collaboration
Pulau Intan Lestari→ pulauintanlestari.com

Keeping production connected.

For a textile manufacturer, I built tools to track materials, plan production and check warehouse stock. Web and mobile workflows helped teams follow the same materials as they moved through the factory.

in-house engineering
Qreno

From time on site to payroll.

An application for French construction companies to manage attendance, working hours, breaks and daily summaries, with calculations that account for French working-time rules and feed into payroll.

through Weaver
Bina Bangsa School→ binabangsaschool.com

Keeping student history intact.

Assessment and parent-portal features for a school spanning multiple campuses, keeping student records consistent when grading rules changed or students moved between campuses.

through K-Labs

Making carbon calculations easier to work with.

For a business helping organizations manage their environmental impact, I worked on the calculation application behind that work—turning specialist requirements into usable software.

direct collaboration
ACT Développement→ act-developpement.com

A new foundation for an established business.

For a company that helps independent bakeries manage ingredient purchasing and supplier pricing, I am rebuilding its existing business application as a new one—understanding how the current system behaves, keeping the business rules it depends on, and redesigning the workflows around them.

direct collaboration
tell me how your business works and where things get difficult.boo. kidding. let’s talk.

Have something to build or improve?

Seven collaborations so far; the tile for the eighth is being built. Tell me how your business works and where things get difficult.

Let’s talk
teams i've worked withK-LabsWeaverpreviously habilis

Got something to build or fix?

Tell me what's going on. I'll reply with questions first, then a plan.